Release 2.5.0-RC2

* Migrate the module's code back into this project.
* Fold the documentation in.
* Update to current Gradle conventions.
* Reformat to match styling.

.github/ISSUE_TEMPLATE.md

@@ -1,7 +1,17 @@
 <!--
-For Security Vulnerabilities, please use https://pivotal.io/security#reporting
+!!! For Security Vulnerabilities, please go to https://spring.io/security-policy !!!
 -->
+**Affects:** \<Spring Framework version>
 
+---
 <!--
-Thanks for raising a Spring Session issue. Please provide a brief description of your problem along with the version of Spring Session that you are using. If possible, please also consider putting together a sample application that reproduces the issue.
+Thanks for taking the time to create an issue. Please read the following:
+
+- Questions should be asked on Stack Overflow.
+- For bugs, specify affected versions and explain what you are trying to do.
+- For enhancements, provide context and describe the problem.
+
+Issue or Pull Request? Create only one, not both. GitHub treats them as the same.
+If unsure, start with an issue, and if you submit a pull request later, the
+issue will be closed as superseded.
 -->

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,24 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: 'type: bug, status: waiting-for-triage'
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior.
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Sample**
+
+A link to a GitHub repository with a [minimal, reproducible sample](https://stackoverflow.com/help/minimal-reproducible-example).
+
+Reports that include a sample will take priority over reports that do not.
+At times, we may require a sample, so it is good to try and include a sample up front.

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Community Support
+    url: https://stackoverflow.com/questions/tagged/spring-session
+    about: Please ask and answer questions on StackOverflow with the tag spring-session

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,25 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: 'status: waiting-for-triage, type: enhancement'
+assignees: ''
+
+---
+
+**Expected Behavior**
+
+<!--- Tell us how it should work -->
+
+**Current Behavior**
+
+<!--- Explain the difference from current behavior -->
+
+**Context**
+
+<!--- 
+How has this issue affected you?
+What are you trying to accomplish?
+What other alternatives have you considered?
+Are you aware of any workarounds?
+-->

.github/actions/dispatch.sh

@@ -0,0 +1,5 @@
+REPOSITORY_REF="$1"
+TOKEN="$2"
+
+curl -H "Accept: application/vnd.github.everest-preview+json" -H "Authorization: token ${TOKEN}" --request POST  --data '{"event_type": "request-build"}' https://api.github.com/repos/${REPOSITORY_REF}/dispatches
+echo "Requested Build for $REPOSITORY_REF"

.github/workflows/build-reference.yml

@@ -0,0 +1,27 @@
+name: reference
+
+on:
+  push:
+    branches-ignore:
+      - 'gh-pages'
+
+env:
+  GH_ACTIONS_REPO_TOKEN: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Source
+        uses: actions/checkout@v2
+      - name: Generate antora.yml
+        run: ./gradlew :spring-session-docs:generateAntora
+      - name: Push generated antora files to the spring-security-docs-generated
+        uses: JamesIves/github-pages-deploy-action@4.1.4
+        with:
+          branch: "spring-session/main" # The branch the action should deploy to.
+          folder: "spring-session-docs/build/generateAntora" # The folder the action should deploy.
+          repository-name: "spring-io/spring-generated-docs"
+          token: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
+      - name: Dispatch Build Request
+        run: ${GITHUB_WORKSPACE}/.github/actions/dispatch.sh 'rwinch/spring-reference' "$GH_ACTIONS_REPO_TOKEN"

.github/workflows/continuous-integration-workflow.yml

@@ -0,0 +1,101 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  schedule:
+    - cron: '0 10 * * *' # Once per day at 10am UTC
+  workflow_dispatch: # Manual trigger
+
+env:
+  GRADLE_ENTERPRISE_CACHE_USER: ${{ secrets.GRADLE_ENTERPRISE_CACHE_USER }}
+  GRADLE_ENTERPRISE_CACHE_PASSWORD: ${{ secrets.GRADLE_ENTERPRISE_CACHE_PASSWORD }}
+  GRADLE_ENTERPRISE_SECRET_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_SECRET_ACCESS_KEY }}
+  ARTIFACTORY_USERNAME: ${{ secrets.ARTIFACTORY_USERNAME }}
+  ARTIFACTORY_PASSWORD: ${{ secrets.ARTIFACTORY_PASSWORD }}
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    if: github.repository == 'spring-projects/spring-session'
+    strategy:
+      matrix:
+        jdk: [8, 11]
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK ${{ matrix.jdk }}
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ matrix.jdk }}
+      - name: Setup gradle user name
+        run: |
+          mkdir -p ~/.gradle
+          echo 'systemProp.user.name=spring-builds' >> ~/.gradle/gradle.properties
+      - name: Cache Gradle packages
+        uses: actions/cache@v2
+        with:
+          path: ~/.gradle/caches
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+      - name: Build with Gradle
+        run: |
+          export GRADLE_ENTERPRISE_CACHE_USERNAME="$GRADLE_ENTERPRISE_CACHE_USER"
+          export GRADLE_ENTERPRISE_CACHE_PASSWORD="$GRADLE_ENTERPRISE_CACHE_PASSWORD"
+          export GRADLE_ENTERPRISE_ACCESS_KEY="$GRADLE_ENTERPRISE_SECRET_ACCESS_KEY"
+          ./gradlew clean build -PartifactoryUsername="$ARTIFACTORY_USERNAME" -PartifactoryPassword="$ARTIFACTORY_PASSWORD" --no-daemon --stacktrace
+  artifacts:
+    name: Deploy Artifacts
+    needs: [build]
+    runs-on: ubuntu-latest
+    if: github.repository == 'spring-projects/spring-session'
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK
+        uses: actions/setup-java@v1
+        with:
+          java-version: '8'
+      - name: Setup gradle user name
+        run: |
+          mkdir -p ~/.gradle
+          echo 'systemProp.user.name=spring-builds' >> ~/.gradle/gradle.properties
+      - name: Deploy artifacts
+        run: |
+          export GRADLE_ENTERPRISE_CACHE_USERNAME="$GRADLE_ENTERPRISE_CACHE_USER"
+          export GRADLE_ENTERPRISE_CACHE_PASSWORD="$GRADLE_ENTERPRISE_CACHE_PASSWORD"
+          export GRADLE_ENTERPRISE_ACCESS_KEY="$GRADLE_ENTERPRISE_SECRET_ACCESS_KEY"
+          ./gradlew deployArtifacts -PossrhUsername="$OSSRH_TOKEN_USERNAME" -PossrhPassword="$OSSRH_TOKEN_PASSWORD" -PartifactoryUsername="$ARTIFACTORY_USERNAME" -PartifactoryPassword="$ARTIFACTORY_PASSWORD" --stacktrace --no-parallel
+          ./gradlew finalizeDeployArtifacts -PossrhUsername="$OSSRH_TOKEN_USERNAME" -PossrhPassword="$OSSRH_TOKEN_PASSWORD" -PartifactoryUsername="$ARTIFACTORY_USERNAME" -PartifactoryPassword="$ARTIFACTORY_PASSWORD" --stacktrace --no-parallel
+        env:
+          ORG_GRADLE_PROJECT_signingKey: ${{ secrets.GPG_PRIVATE_KEY_NO_HEADER }}
+          ORG_GRADLE_PROJECT_signingPassword: ${{ secrets.GPG_PASSPHRASE }}
+          OSSRH_TOKEN_USERNAME: ${{ secrets.OSSRH_TOKEN_USERNAME }}
+          OSSRH_TOKEN_PASSWORD: ${{ secrets.OSSRH_TOKEN_PASSWORD }}
+          ARTIFACTORY_USERNAME: ${{ secrets.ARTIFACTORY_USERNAME }}
+          ARTIFACTORY_PASSWORD: ${{ secrets.ARTIFACTORY_PASSWORD }}
+  docs:
+    name: Deploy Docs
+    needs: [build]
+    runs-on: ubuntu-latest
+    if: github.repository == 'spring-projects/spring-session'
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK
+        uses: actions/setup-java@v1
+        with:
+          java-version: '8'
+      - name: Setup gradle user name
+        run: |
+          mkdir -p ~/.gradle
+          echo 'systemProp.user.name=spring-builds' >> ~/.gradle/gradle.properties
+      - name: Deploy Docs
+        run: |
+          export GRADLE_ENTERPRISE_CACHE_USERNAME="$GRADLE_ENTERPRISE_CACHE_USER"
+          export GRADLE_ENTERPRISE_CACHE_PASSWORD="$GRADLE_ENTERPRISE_CACHE_PASSWORD"
+          export GRADLE_ENTERPRISE_ACCESS_KEY="$GRADLE_ENTERPRISE_SECRET_ACCESS_KEY"
+          ./gradlew deployDocs --no-daemon -PdeployDocsSshKey="$DOCS_SSH_KEY" -PdeployDocsSshUsername="$DOCS_USERNAME" -PdeployDocsHost="$DOCS_HOST" --stacktrace
+        env:
+          DOCS_USERNAME: ${{ secrets.DOCS_USERNAME }}
+          DOCS_SSH_KEY: ${{ secrets.DOCS_SSH_KEY }}
+          DOCS_HOST: ${{ secrets.DOCS_HOST }}

.github/workflows/gradle-wrapper-validation.yml

@@ -0,0 +1,10 @@
+name: "Validate Gradle Wrapper"
+on: [push, pull_request]
+
+jobs:
+  validation:
+    name: "Validation"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: gradle/wrapper-validation-action@v1

.github/workflows/pr-build-workflow.yml

@@ -0,0 +1,26 @@
+name: PR Build
+
+on: pull_request
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    if: github.repository == 'spring-projects/spring-session'
+    strategy:
+      matrix:
+        jdk: [8, 11]
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK ${{ matrix.jdk }}
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ matrix.jdk }}
+      - name: Cache Gradle packages
+        uses: actions/cache@v2
+        with:
+          path: ~/.gradle/caches
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
+      - name: Build with Gradle
+        run: ./gradlew clean build --no-daemon --stacktrace

.gitignore

@@ -13,3 +13,4 @@ out
 .checkstyle
 !etc/eclipse/.checkstyle
 !**/src/**/build
+.DS_Store

.travis.yml

@@ -1,16 +0,0 @@
-sudo: required
-language: java
-jdk:
-  - openjdk8
-  - openjdk11
-services:
-  - docker
-before_cache:
-  - rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
-  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
-cache:
-  directories:
-    - $HOME/.gradle/caches/
-    - $HOME/.gradle/wrapper/
-install: true
-script: ./gradlew clean check --no-daemon --stacktrace

CODE_OF_CONDUCT.adoc

@@ -1,44 +0,0 @@
-= Contributor Code of Conduct
-
-As contributors and maintainers of this project, and in the interest of fostering an open
-and welcoming community, we pledge to respect all people who contribute through reporting
-issues, posting feature requests, updating documentation, submitting pull requests or
-patches, and other activities.
-
-We are committed to making participation in this project a harassment-free experience for
-everyone, regardless of level of experience, gender, gender identity and expression,
-sexual orientation, disability, personal appearance, body size, race, ethnicity, age,
-religion, or nationality.
-
-Examples of unacceptable behavior by participants include:
-
-* The use of sexualized language or imagery
-* Personal attacks
-* Trolling or insulting/derogatory comments
-* Public or private harassment
-* Publishing other's private information, such as physical or electronic addresses,
-  without explicit permission
-* Other unethical or unprofessional conduct
-
-Project maintainers have the right and responsibility to remove, edit, or reject comments,
-commits, code, wiki edits, issues, and other contributions that are not aligned to this
-Code of Conduct, or to ban temporarily or permanently any contributor for other behaviors
-that they deem inappropriate, threatening, offensive, or harmful.
-
-By adopting this Code of Conduct, project maintainers commit themselves to fairly and
-consistently applying these principles to every aspect of managing this project. Project
-maintainers who do not follow or enforce the Code of Conduct may be permanently removed
-from the project team.
-
-This Code of Conduct applies both within project spaces and in public spaces when an
-individual is representing the project or its community.
-
-Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by
-contacting a project maintainer at spring-code-of-conduct@pivotal.io . All complaints will
-be reviewed and investigated and will result in a response that is deemed necessary and
-appropriate to the circumstances. Maintainers are obligated to maintain confidentiality
-with regard to the reporter of an incident.
-
-This Code of Conduct is adapted from the
-https://contributor-covenant.org[Contributor Covenant], version 1.3.0, available at
-https://contributor-covenant.org/version/1/3/0/[contributor-covenant.org/version/1/3/0/]

CONTRIBUTING.adoc

@@ -3,9 +3,16 @@
 Spring Session is released under the Apache 2.0 license. If you would like to contribute
 something, or simply want to hack on the code this document should help you get started.
 
+
 == Code of Conduct
-This project adheres to the Contributor Covenant link:CODE_OF_CONDUCT.adoc[code of conduct].
-By participating, you  are expected to uphold this code. Please report unacceptable behavior to spring-code-of-conduct@pivotal.io.
+
+Please see our https://github.com/spring-projects/.github/blob/main/CODE_OF_CONDUCT.md[code of conduct].
+
+
+== Reporting Security Vulnerabilities
+
+Please see our https://github.com/spring-projects/spring-session/security/policy[Security policy].
+
 
 == Using GitHub issues
 
@@ -19,7 +26,6 @@ information as possible. Ideally, that would include a small sample project that
 reproduces the problem.
 
 
-
 == Sign the Contributor License Agreement
 If you have not previously done so, please fill out and
 submit the https://cla.pivotal.io/sign/spring[Contributor License Agreement].

Jenkinsfile

@@ -1,181 +0,0 @@
-properties([
-		buildDiscarder(logRotator(numToKeepStr: '10')),
-		pipelineTriggers([
-				cron('@daily')
-		]),
-])
-
-def SUCCESS = hudson.model.Result.SUCCESS.toString()
-currentBuild.result = SUCCESS
-
-try {
-	parallel check: {
-		stage('Check') {
-			timeout(time: 45, unit: 'MINUTES') {
-				node('linux') {
-					label 'spring-session'
-					checkout scm
-					sh "git clean -dfx"
-					try {
-						withEnv(["JAVA_HOME=${tool 'jdk8'}"]) {
-							sh './gradlew clean check --no-daemon --stacktrace'
-						}
-					}
-					catch (e) {
-						currentBuild.result = 'FAILED: check'
-						throw e
-					}
-					finally {
-						junit '**/build/test-results/*/*.xml'
-					}
-				}
-			}
-		}
-	},
-	jdk9: {
-		stage('JDK 9') {
-			timeout(time: 45, unit: 'MINUTES') {
-				node('linux') {
-					checkout scm
-					sh "git clean -dfx"
-					try {
-						withEnv(["JAVA_HOME=${tool 'jdk9'}"]) {
-							sh './gradlew clean test --no-daemon --stacktrace'
-						}
-					}
-					catch (e) {
-						currentBuild.result = 'FAILED: jdk9'
-						throw e
-					}
-				}
-			}
-		}
-	},
-	jdk10: {
-		stage('JDK 10') {
-			timeout(time: 45, unit: 'MINUTES') {
-				node('linux') {
-					checkout scm
-					sh "git clean -dfx"
-					try {
-						withEnv(["JAVA_HOME=${tool 'jdk10'}"]) {
-							sh './gradlew clean test --no-daemon --stacktrace'
-						}
-					}
-					catch (e) {
-						currentBuild.result = 'FAILED: jdk10'
-						throw e
-					}
-				}
-			}
-		}
-	},
-	jdk11: {
-		stage('JDK 11') {
-			timeout(time: 45, unit: 'MINUTES') {
-				node('linux') {
-					checkout scm
-					sh "git clean -dfx"
-					try {
-						withEnv(["JAVA_HOME=${tool 'jdk11'}"]) {
-							sh './gradlew clean test integrationTest --no-daemon --stacktrace'
-						}
-					}
-					catch (e) {
-						currentBuild.result = 'FAILED: jdk11'
-						throw e
-					}
-				}
-			}
-		}
-	},
-	jdk12: {
-		stage('JDK 12') {
-			timeout(time: 45, unit: 'MINUTES') {
-				node('linux') {
-					checkout scm
-					try {
-						withEnv(["JAVA_HOME=${tool 'openjdk12'}"]) {
-							sh './gradlew clean test integrationTest --no-daemon --stacktrace'
-						}
-					}
-					catch (e) {
-						currentBuild.result = 'FAILED: jdk12'
-						throw e
-					}
-				}
-			}
-		}
-	}
-
-	if (currentBuild.result == 'SUCCESS') {
-		parallel artifacts: {
-			stage('Deploy Artifacts') {
-				node('linux') {
-					checkout scm
-					sh "git clean -dfx"
-					try {
-						withCredentials([file(credentialsId: 'spring-signing-secring.gpg', variable: 'SIGNING_KEYRING_FILE')]) {
-							withCredentials([string(credentialsId: 'spring-gpg-passphrase', variable: 'SIGNING_PASSWORD')]) {
-								withCredentials([usernamePassword(credentialsId: 'oss-token', passwordVariable: 'OSSRH_PASSWORD', usernameVariable: 'OSSRH_USERNAME')]) {
-									withCredentials([usernamePassword(credentialsId: '02bd1690-b54f-4c9f-819d-a77cb7a9822c', usernameVariable: 'ARTIFACTORY_USERNAME', passwordVariable: 'ARTIFACTORY_PASSWORD')]) {
-										withEnv(["JAVA_HOME=${tool 'jdk8'}"]) {
-											sh './gradlew deployArtifacts --no-daemon --stacktrace -Psigning.secretKeyRingFile=$SIGNING_KEYRING_FILE -Psigning.keyId=$SPRING_SIGNING_KEYID -Psigning.password=$SIGNING_PASSWORD -PossrhUsername=$OSSRH_USERNAME -PossrhPassword=$OSSRH_PASSWORD -PartifactoryUsername=$ARTIFACTORY_USERNAME -PartifactoryPassword=$ARTIFACTORY_PASSWORD'
-                                            sh './gradlew finalizeDeployArtifacts --no-daemon --stacktrace -Psigning.secretKeyRingFile=$SIGNING_KEYRING_FILE -Psigning.keyId=$SPRING_SIGNING_KEYID -Psigning.password=$SIGNING_PASSWORD -PossrhUsername=$OSSRH_USERNAME -PossrhPassword=$OSSRH_PASSWORD -PartifactoryUsername=$ARTIFACTORY_USERNAME -PartifactoryPassword=$ARTIFACTORY_PASSWORD'
-										}
-									}
-								}
-							}
-						}
-					}
-					catch (e) {
-						currentBuild.result = 'FAILED: artifacts'
-						throw e
-					}
-				}
-			}
-		},
-		docs: {
-			stage('Deploy Docs') {
-				node('linux') {
-					checkout scm
-					sh "git clean -dfx"
-					try {
-						withCredentials([file(credentialsId: 'docs.spring.io-jenkins_private_ssh_key', variable: 'DEPLOY_SSH_KEY')]) {
-							withEnv(["JAVA_HOME=${tool 'jdk8'}"]) {
-								sh './gradlew deployDocs --no-daemon --stacktrace -PdeployDocsSshKeyPath=$DEPLOY_SSH_KEY -PdeployDocsSshUsername=$SPRING_DOCS_USERNAME'
-							}
-						}
-					}
-					catch (e) {
-						currentBuild.result = 'FAILED: docs'
-						throw e
-					}
-				}
-			}
-		}
-	}
-}
-finally {
-	def buildStatus = currentBuild.result
-	def buildNotSuccess = !SUCCESS.equals(buildStatus)
-	def lastBuildNotSuccess = !SUCCESS.equals(currentBuild.previousBuild?.result)
-
-	if (buildNotSuccess || lastBuildNotSuccess) {
-		stage('Notify') {
-			node {
-				final def RECIPIENTS = [[$class: 'DevelopersRecipientProvider'], [$class: 'RequesterRecipientProvider']]
-
-				def subject = "${buildStatus}: Build ${env.JOB_NAME} ${env.BUILD_NUMBER} status is now ${buildStatus}"
-				def details = "The build status changed to ${buildStatus}. For details see ${env.BUILD_URL}"
-
-				emailext(
-						subject: subject,
-						body: details,
-						recipientProviders: RECIPIENTS,
-						to: "$SPRING_SESSION_TEAM_EMAILS"
-				)
-			}
-		}
-	}
-}

README.adoc

@@ -1,6 +1,8 @@
 = Spring Session
 
-image:https://travis-ci.org/spring-projects/spring-session.svg?branch=master["Build Status", link="https://travis-ci.org/spring-projects/spring-session"] image:https://badges.gitter.im/spring-projects/spring-session.svg[link="https://gitter.im/spring-projects/spring-session?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge"]
+image:https://badges.gitter.im/spring-projects/spring-session.svg[link="https://gitter.im/spring-projects/spring-session?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge"]
+
+image:https://github.com/spring-projects/spring-session/workflows/CI/badge.svg?branch=main["Build Status", link="https://github.com/spring-projects/spring-session/actions?query=workflow%3ACI"]
 
 Spring Session provides an API and implementations for managing a user's session information, while also making it trivial to support clustered sessions without being tied to an application container specific solution.
 It also provides transparent integration with:
@@ -11,21 +13,61 @@ It also provides transparent integration with:
 
 == Modules
 
-Spring Session consists of the following modules:
+This Spring Session repository consists of the following modules:
 
 * Spring Session Core - provides core Spring Session functionalities and APIs
 * Spring Session Data Redis - provides `SessionRepository` and `ReactiveSessionRepository` implementation backed by Redis and configuration support
 * Spring Session JDBC - provides `SessionRepository` implementation backed by a relational database and configuration support
 * Spring Session Hazelcast - provides `SessionRepository` implementation backed by Hazelcast and configuration support
 
+Additional Spring Session modules can be found in the https://github.com/spring-projects/spring-session-data-mongodb[spring-session-data-mongodb] repository
+and https://github.com/spring-projects/spring-session-data-geode[spring-session-data-geode] repository.
+
+== Getting Started
+
+We recommend you visit the https://docs.spring.io/spring-session/docs/current/reference/html5/#samples[Spring Session Reference] and look through the "Samples and Guides" section to see which one best suits your needs.
+
+== Samples
+
+Spring Session samples are available in the https://github.com/spring-projects/spring-session/tree/main/spring-session-samples[spring-session-samples] directory.
+
+
+== Contributing
+
+Please see our https://github.com/spring-projects/spring-session/blob/main/CONTRIBUTING.adoc[Contributing guidelines]
+for information on how to report issues, enhancements or security vulnerabilities.
+
+== Building from Source
+
+Spring Session uses a https://gradle.org[Gradle]-based build system.
+In the instructions below, `./gradlew` is invoked from the root of the source tree and serves as
+a cross-platform, self-contained bootstrap mechanism for the build.
+
+Check out sources
+----
+git clone git@github.com:spring-projects/spring-session.git
+----
+
+Install all spring-\* jars into your local Maven cache
+----
+./gradlew install
+----
+
+Compile and test; build all jars, distribution zips, and docs
+----
+./gradlew build
+----
+
+
+== Documentation
+
+You can find the documentation, samples, and guides for using Spring Session on the https://projects.spring.io/spring-session/[Spring Session project site].
+
+For more in depth information, visit the https://docs.spring.io/spring-session/docs/current/reference/html5/[Spring Session Reference].
+
 == Code of Conduct
 
-This project adheres to the Contributor Covenant link:CODE_OF_CONDUCT.adoc[code of conduct].
-By participating, you  are expected to uphold this code. Please report unacceptable behavior to spring-code-of-conduct@pivotal.io.
-
-== Spring Session Project Site
-
-You can find the documentation, issue management, support, samples, and guides for using Spring Session at https://projects.spring.io/spring-session/
+Please see our https://github.com/spring-projects/.github/blob/main/CODE_OF_CONDUCT.md[code of conduct].
 
 == License
 

build.gradle

@@ -4,25 +4,46 @@ buildscript {
 		snapshotBuild = version.endsWith('SNAPSHOT')
 		milestoneBuild = !(releaseBuild || snapshotBuild)
 
-		springBootVersion = '2.2.7.RELEASE'
+		springBootVersion = '2.5.5'
 	}
 
 	repositories {
 		gradlePluginPortal()
 		maven { url 'https://repo.spring.io/plugins-release/' }
+        maven {
+            url = 'https://repo.spring.io/plugins-snapshot'
+            if (project.hasProperty('artifactoryUsername')) {
+                credentials {
+                    username "$artifactoryUsername"
+                    password "$artifactoryPassword"
+                }
+            }
+        }
 	}
 
 	dependencies {
-		classpath 'io.spring.gradle:spring-build-conventions:0.0.27.RELEASE'
+		classpath 'io.spring.gradle:spring-build-conventions:0.0.37'
 		classpath "org.springframework.boot:spring-boot-gradle-plugin:$springBootVersion"
 	}
 }
 
+plugins {
+	id "io.github.rwinch.antora" version "0.0.2"
+}
+
+
 apply plugin: 'io.spring.convention.root'
 
 group = 'org.springframework.session'
 description = 'Spring Session'
 
+antora {
+    playbookFile = file("local-antora-playbook.yml")
+    // default no version (current version)
+    antoraVersion = "3.0.0-alpha.9"
+    arguments = ["--fetch"]
+}
+
 subprojects {
 	apply plugin: 'io.spring.javaformat'
 

gradle.properties

@@ -1,3 +1,3 @@
 org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
 org.gradle.parallel=true
-version=2.2.3.RELEASE
+version=2.6.0-RC2

gradle/dependency-management.gradle

@@ -1,35 +1,50 @@
 dependencyManagement {
 	imports {
-		mavenBom 'io.projectreactor:reactor-bom:Dysprosium-SR7'
-		mavenBom 'org.junit:junit-bom:5.5.2'
-		mavenBom 'org.springframework:spring-framework-bom:5.2.6.RELEASE'
-		mavenBom 'org.springframework.data:spring-data-releasetrain:Moore-SR7'
-		mavenBom 'org.springframework.security:spring-security-bom:5.2.4.RELEASE'
-		mavenBom 'org.testcontainers:testcontainers-bom:1.12.5'
+		mavenBom 'io.projectreactor:reactor-bom:2020.0.12'
+		mavenBom 'com.fasterxml.jackson:jackson-bom:2.11.2'
+		mavenBom 'org.junit:junit-bom:5.8.1'
+		mavenBom 'org.springframework:spring-framework-bom:5.3.11'
+		mavenBom 'org.springframework.data:spring-data-bom:2021.1.0-RC1'
+		mavenBom 'org.springframework.security:spring-security-bom:5.6.0-RC1'
+		mavenBom 'org.testcontainers:testcontainers-bom:1.16.0'
 	}
 
 	dependencies {
-		dependencySet(group: 'com.hazelcast', version: '3.12.5') {
+		dependencySet(group: 'com.hazelcast', version: '3.12.12') {
 			entry 'hazelcast'
 			entry 'hazelcast-client'
 		}
 
-		dependency 'com.h2database:h2:1.4.199'
-		dependency 'com.ibm.db2:jcc:11.5.0.0'
-		dependency 'com.microsoft.sqlserver:mssql-jdbc:7.4.1.jre8'
-		dependency 'com.oracle.ojdbc:ojdbc8:19.3.0.0'
-		dependency 'com.zaxxer:HikariCP:3.4.1'
+		dependency 'org.aspectj:aspectjweaver:1.9.7'
+		dependency 'ch.qos.logback:logback-core:1.2.3'
+		dependency 'com.google.code.findbugs:jsr305:3.0.2'
+		dependency 'com.h2database:h2:1.4.200'
+		dependency 'com.ibm.db2:jcc:11.5.6.0'
+		dependency 'com.microsoft.sqlserver:mssql-jdbc:9.4.0.jre8'
+		dependency 'com.oracle.database.jdbc:ojdbc8:21.3.0.0'
+		dependency 'com.zaxxer:HikariCP:3.4.5'
 		dependency 'edu.umd.cs.mtc:multithreadedtc:1.01'
-		dependency 'io.lettuce:lettuce-core:5.2.2.RELEASE'
+		dependency 'io.lettuce:lettuce-core:6.1.5.RELEASE'
 		dependency 'javax.annotation:javax.annotation-api:1.3.2'
 		dependency 'javax.servlet:javax.servlet-api:4.0.1'
-		dependency 'junit:junit:4.12'
-		dependency 'mysql:mysql-connector-java:8.0.19'
+		dependency 'junit:junit:4.13.2'
+		dependency 'mysql:mysql-connector-java:8.0.26'
 		dependency 'org.apache.derby:derby:10.14.2.0'
-		dependency 'org.assertj:assertj-core:3.13.2'
-		dependency 'org.hsqldb:hsqldb:2.5.0'
-		dependency 'org.mariadb.jdbc:mariadb-java-client:2.4.4'
-		dependency 'org.mockito:mockito-core:3.0.0'
-		dependency 'org.postgresql:postgresql:42.2.12'
+		dependency 'org.assertj:assertj-core:3.21.0'
+		dependency 'org.hamcrest:hamcrest:2.1'
+		dependency 'org.hsqldb:hsqldb:2.5.2'
+		dependency 'org.mariadb.jdbc:mariadb-java-client:2.7.4'
+		dependencySet(group: 'org.mockito', version: '4.0.0') {
+        	entry 'mockito-core'
+			entry 'mockito-junit-jupiter'
+		}
+
+		dependencySet(group: 'org.mongodb', version: '4.2.3') {
+			entry 'mongodb-driver-core'
+			entry 'mongodb-driver-sync'
+			entry 'mongodb-driver-reactivestreams'
+		}
+		dependency 'org.postgresql:postgresql:42.2.24'
 	}
 }
+

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -82,6 +82,7 @@ esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
+
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
@@ -129,6 +130,7 @@ fi
 if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
     JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
@@ -154,19 +156,19 @@ if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
         else
             eval `echo args$i`="\"$arg\""
         fi
-        i=$((i+1))
+        i=`expr $i + 1`
     done
     case $i in
-        (0) set -- ;;
-        (1) set -- "$args0" ;;
-        (2) set -- "$args0" "$args1" ;;
-        (3) set -- "$args0" "$args1" "$args2" ;;
-        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
     esac
 fi
 
@@ -175,14 +177,9 @@ save () {
     for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
     echo " "
 }
-APP_ARGS=$(save "$@")
+APP_ARGS=`save "$@"`
 
 # Collect all arguments for the java command, following the shell quoting and substitution rules
 eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
 
-# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
-if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
-  cd "$(dirname "$0")"
-fi
-
 exec "$JAVACMD" "$@"

gradlew.bat

@@ -29,6 +29,9 @@ if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
 @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
 
@@ -37,7 +40,7 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
+if "%ERRORLEVEL%" == "0" goto execute
 
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
@@ -51,7 +54,7 @@ goto fail
 set JAVA_HOME=%JAVA_HOME:"=%
 set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
-if exist "%JAVA_EXE%" goto init
+if exist "%JAVA_EXE%" goto execute
 
 echo.
 echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
@@ -61,28 +64,14 @@ echo location of your Java installation.
 
 goto fail
 
-:init
-@rem Get command-line arguments, handling Windows variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-
-:win9xME_args
-@rem Slurp the command line arguments.
-set CMD_LINE_ARGS=
-set _SKIP=2
-
-:win9xME_args_slurp
-if "x%~1" == "x" goto execute
-
-set CMD_LINE_ARGS=%*
-
 :execute
 @rem Setup the command line
 
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
+
 @rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
 
 :end
 @rem End local scope for the variables with windows NT shell

local-antora-playbook.yml

@@ -0,0 +1,14 @@
+site:
+  title: Spring Session
+  start_page: session::index.adoc
+content:
+  sources:
+    - url: https://github.com/spring-io/spring-generated-docs
+      branches: [spring-session/main]
+    - url: ./
+      branches: HEAD
+      start_path: spring-session-docs
+ui:
+  bundle:
+    url: https://github.com/spring-io/antora-ui-spring/releases/download/latest/ui-bundle.zip
+    snapshot: true

settings.gradle

@@ -1,10 +1,25 @@
+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+        maven { url 'https://repo.spring.io/plugins-release' }
+    }
+}
+
+plugins {
+    id "com.gradle.enterprise" version "3.5.1"
+    id "io.spring.ge.conventions" version "0.0.7"
+}
+
 rootProject.name = 'spring-session-build'
 
 include 'spring-session-core'
+include 'spring-session-data-mongodb'
 include 'spring-session-data-redis'
 include 'spring-session-docs'
 include 'spring-session-hazelcast'
 include 'spring-session-jdbc'
+include 'hazelcast4'
+project(':hazelcast4').projectDir = file('spring-session-hazelcast/hazelcast4')
 
 file('spring-session-samples').eachDirMatch(~/spring-session-sample-.*/) { dir ->
     include dir.name

spring-session-core/spring-session-core.gradle

@@ -25,5 +25,6 @@ dependencies {
 	testCompile "org.springframework.security:spring-security-core"
 	testCompile "org.junit.jupiter:junit-jupiter-api"
 	testCompile "org.junit.jupiter:junit-jupiter-params"
+	testCompile "org.aspectj:aspectjweaver"
 	testRuntime "org.junit.jupiter:junit-jupiter-engine"
 }

spring-session-core/src/main/java/org/springframework/session/config/annotation/web/http/EnableSpringHttpSession.java

@@ -40,7 +40,7 @@ import org.springframework.session.events.SessionDestroyedEvent;
  *
  *     {@literal @Bean}
  *     public MapSessionRepository sessionRepository() {
- *         return new MapSessionRepository();
+ *         return new MapSessionRepository(new ConcurrentHashMap<>());
  *     }
  *
  * }

spring-session-core/src/main/java/org/springframework/session/config/annotation/web/http/SpringHttpSessionConfiguration.java

@@ -58,7 +58,7 @@ import org.springframework.util.ObjectUtils;
  *
  *     {@literal @Bean}
  *     public MapSessionRepository sessionRepository() {
- *         return new MapSessionRepository();
+ *         return new MapSessionRepository(new ConcurrentHashMap<>());
  *     }
  *
  * }

spring-session-core/src/main/java/org/springframework/session/config/annotation/web/server/EnableSpringWebSession.java

@@ -36,7 +36,7 @@ import org.springframework.context.annotation.Import;
  *
  *     {@literal @Bean}
  *     public ReactiveSessionRepository sessionRepository() {
- *         return new ReactiveMapSessionRepository();
+ *         return new ReactiveMapSessionRepository(new ConcurrentHashMap<>());
  *     }
  *
  * }

spring-session-core/src/main/java/org/springframework/session/config/annotation/web/server/SpringWebSessionConfiguration.java

@@ -38,12 +38,13 @@ import org.springframework.web.server.session.WebSessionManager;
 @Configuration(proxyBeanMethods = false)
 public class SpringWebSessionConfiguration {
 
-	/**
-	 * Optional override of default {@link WebSessionIdResolver}.
-	 */
-	@Autowired(required = false)
 	private WebSessionIdResolver webSessionIdResolver;
 
+	@Autowired(required = false)
+	public void setWebSessionIdResolver(WebSessionIdResolver webSessionIdResolver) {
+		this.webSessionIdResolver = webSessionIdResolver;
+	}
+
 	/**
 	 * Configure a {@link WebSessionManager} using a provided
 	 * {@link ReactiveSessionRepository}.

spring-session-core/src/main/java/org/springframework/session/web/http/DefaultCookieSerializer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2019 the original author or authors.
+ * Copyright 2014-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -308,7 +308,7 @@ public class DefaultCookieSerializer implements CookieSerializer {
 	/**
 	 * Sets the maxAge property of the Cookie. The default is to delete the cookie when
 	 * the browser is closed.
-	 * @param cookieMaxAge the maxAge property of the Cookie
+	 * @param cookieMaxAge the maxAge property of the Cookie (defined in seconds)
 	 */
 	public void setCookieMaxAge(int cookieMaxAge) {
 		this.cookieMaxAge = cookieMaxAge;
@@ -432,7 +432,8 @@ public class DefaultCookieSerializer implements CookieSerializer {
 
 	private String getCookiePath(HttpServletRequest request) {
 		if (this.cookiePath == null) {
-			return request.getContextPath() + "/";
+			String contextPath = request.getContextPath();
+			return (contextPath != null && contextPath.length() > 0) ? contextPath : "/";
 		}
 		return this.cookiePath;
 	}

spring-session-core/src/main/java/org/springframework/session/web/http/OncePerRequestFilter.java

@@ -64,7 +64,7 @@ abstract class OncePerRequestFilter implements Filter {
 		}
 		HttpServletRequest httpRequest = (HttpServletRequest) request;
 		HttpServletResponse httpResponse = (HttpServletResponse) response;
-		String alreadyFilteredAttributeName = this.alreadyFilteredAttributeName;
+		String alreadyFilteredAttributeName = getAlreadyFilteredAttributeName();
 		boolean hasAlreadyFilteredAttribute = request.getAttribute(alreadyFilteredAttributeName) != null;
 
 		if (hasAlreadyFilteredAttribute) {

spring-session-core/src/main/java/org/springframework/session/web/http/SessionRepositoryFilter.java

@@ -59,6 +59,7 @@ import org.springframework.session.SessionRepository;
  * . The default is to look in a cookie named SESSION.</li>
  * <li>The session id of newly created {@link org.springframework.session.Session} is sent
  * to the client using
+ * {@link HttpSessionIdResolver#setSessionId(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, String)}
  * <li>The client is notified that the session id is no longer valid with
  * {@link HttpSessionIdResolver#expireSession(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)}
  * </li>
@@ -309,6 +310,10 @@ public class SessionRepositoryFilter<S extends Session> extends OncePerRequestFi
 			if (!create) {
 				return null;
 			}
+			if (SessionRepositoryFilter.this.httpSessionIdResolver instanceof CookieHttpSessionIdResolver
+					&& this.response.isCommitted()) {
+				throw new IllegalStateException("Cannot create a session after the response has been committed");
+			}
 			if (SESSION_LOGGER.isDebugEnabled()) {
 				SESSION_LOGGER.debug(
 						"A new session was created. To help you troubleshoot where the session was created we provided a StackTrace (this is not an error). You can prevent this from appearing by disabling DEBUG logging for "

spring-session-core/src/test/java/org/springframework/session/security/web/authentication/SpringSessionRememberMeServicesTests.java

@@ -33,7 +33,7 @@ import static org.mockito.BDDMockito.given;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyZeroInteractions;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
 
 /**
  * Tests for {@link SpringSessionRememberMeServices}.
@@ -88,7 +88,7 @@ class SpringSessionRememberMeServicesTests {
 		HttpServletResponse response = mock(HttpServletResponse.class);
 		this.rememberMeServices = new SpringSessionRememberMeServices();
 		this.rememberMeServices.autoLogin(request, response);
-		verifyZeroInteractions(request, response);
+		verifyNoMoreInteractions(request, response);
 	}
 
 	// gh-752
@@ -102,7 +102,7 @@ class SpringSessionRememberMeServicesTests {
 		this.rememberMeServices.loginFail(request, response);
 		verify(request, times(1)).getSession(eq(false));
 		verify(session, times(1)).removeAttribute(HttpSessionSecurityContextRepository.SPRING_SECURITY_CONTEXT_KEY);
-		verifyZeroInteractions(request, response, session);
+		verifyNoMoreInteractions(request, response, session);
 	}
 
 	@Test
@@ -119,7 +119,7 @@ class SpringSessionRememberMeServicesTests {
 		verify(request, times(1)).getSession();
 		verify(request, times(1)).setAttribute(eq(SpringSessionRememberMeServices.REMEMBER_ME_LOGIN_ATTR), eq(true));
 		verify(session, times(1)).setMaxInactiveInterval(eq(2592000));
-		verifyZeroInteractions(request, response, session, authentication);
+		verifyNoMoreInteractions(request, response, session, authentication);
 	}
 
 	@Test
@@ -137,7 +137,7 @@ class SpringSessionRememberMeServicesTests {
 		verify(request, times(1)).getSession();
 		verify(request, times(1)).setAttribute(eq(SpringSessionRememberMeServices.REMEMBER_ME_LOGIN_ATTR), eq(true));
 		verify(session, times(1)).setMaxInactiveInterval(eq(2592000));
-		verifyZeroInteractions(request, response, session, authentication);
+		verifyNoMoreInteractions(request, response, session, authentication);
 	}
 
 	@Test
@@ -153,7 +153,7 @@ class SpringSessionRememberMeServicesTests {
 		verify(request, times(1)).getSession();
 		verify(request, times(1)).setAttribute(eq(SpringSessionRememberMeServices.REMEMBER_ME_LOGIN_ATTR), eq(true));
 		verify(session, times(1)).setMaxInactiveInterval(eq(2592000));
-		verifyZeroInteractions(request, response, session, authentication);
+		verifyNoMoreInteractions(request, response, session, authentication);
 	}
 
 	@Test
@@ -171,7 +171,7 @@ class SpringSessionRememberMeServicesTests {
 		verify(request, times(1)).getSession();
 		verify(request, times(1)).setAttribute(eq(SpringSessionRememberMeServices.REMEMBER_ME_LOGIN_ATTR), eq(true));
 		verify(session, times(1)).setMaxInactiveInterval(eq(100000));
-		verifyZeroInteractions(request, response, session, authentication);
+		verifyNoMoreInteractions(request, response, session, authentication);
 	}
 
 }

spring-session-core/src/test/java/org/springframework/session/web/http/CookieHttpSessionIdResolverTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2019 the original author or authors.
+ * Copyright 2014-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -109,7 +109,7 @@ class CookieHttpSessionIdResolverTests {
 		this.strategy.setSessionId(this.request, this.response, this.session.getId());
 
 		Cookie sessionCookie = this.response.getCookie(this.cookieName);
-		assertThat(sessionCookie.getPath()).isEqualTo(this.request.getContextPath() + "/");
+		assertThat(sessionCookie.getPath()).isEqualTo(this.request.getContextPath());
 	}
 
 	@Test
@@ -131,7 +131,7 @@ class CookieHttpSessionIdResolverTests {
 		this.strategy.expireSession(this.request, this.response);
 
 		Cookie sessionCookie = this.response.getCookie(this.cookieName);
-		assertThat(sessionCookie.getPath()).isEqualTo(this.request.getContextPath() + "/");
+		assertThat(sessionCookie.getPath()).isEqualTo(this.request.getContextPath());
 	}
 
 	@Test

spring-session-core/src/test/java/org/springframework/session/web/http/DefaultCookieSerializerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2019 the original author or authors.
+ * Copyright 2014-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -267,7 +267,7 @@ class DefaultCookieSerializerTests {
 	void writeCookieCookiePathDefaultContextPathUsed() {
 		this.request.setContextPath("/context");
 		this.serializer.writeCookieValue(cookieValue(this.sessionId));
-		assertThat(getCookie().getPath()).isEqualTo("/context/");
+		assertThat(getCookie().getPath()).isEqualTo("/context");
 	}
 
 	@Test
@@ -275,7 +275,7 @@ class DefaultCookieSerializerTests {
 		this.request.setContextPath("/context");
 		this.serializer.setCookiePath(null);
 		this.serializer.writeCookieValue(cookieValue(this.sessionId));
-		assertThat(getCookie().getPath()).isEqualTo("/context/");
+		assertThat(getCookie().getPath()).isEqualTo("/context");
 	}
 
 	@Test

spring-session-core/src/test/java/org/springframework/session/web/http/OncePerRequestFilterAopTests.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright 2014-2020 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.session.web.http;
+
+import org.aspectj.lang.annotation.AfterReturning;
+import org.aspectj.lang.annotation.Aspect;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mockito;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.EnableAspectJAutoProxy;
+import org.springframework.mock.web.MockFilterChain;
+import org.springframework.mock.web.MockHttpServletRequest;
+import org.springframework.mock.web.MockHttpServletResponse;
+import org.springframework.session.SessionRepository;
+import org.springframework.session.web.http.OncePerRequestFilterAopTests.Config;
+import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
+
+import static org.assertj.core.api.Assertions.assertThatCode;
+
+@SpringJUnitConfig(classes = Config.class)
+class OncePerRequestFilterAopTests {
+
+	@Test
+	void doFilterOnce(@Autowired final OncePerRequestFilter filter) {
+		assertThatCode(() -> filter.doFilter(new MockHttpServletRequest(), new MockHttpServletResponse(),
+				new MockFilterChain())).as("`doFilter` does not throw NPE with the bean is being proxied by Spring AOP")
+						.doesNotThrowAnyException();
+	}
+
+	@SuppressWarnings({ "rawtypes", "unchecked" })
+	@Configuration
+	@EnableAspectJAutoProxy(proxyTargetClass = true)
+	@Aspect
+	public static class Config {
+
+		@Bean
+		public SessionRepository sessionRepository() {
+			return Mockito.mock(SessionRepository.class);
+		}
+
+		@Bean
+		public SessionRepositoryFilter filter() {
+			return new SessionRepositoryFilter(sessionRepository());
+		}
+
+		@AfterReturning("execution(* SessionRepositoryFilter.doFilterInternal(..))")
+		public void doInternalFilterPointcut() {
+			// no op
+		}
+
+	}
+
+}

spring-session-core/src/test/java/org/springframework/session/web/http/SessionEventHttpSessionListenerAdapterTests.java

@@ -39,7 +39,7 @@ import org.springframework.session.events.SessionDestroyedEvent;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyZeroInteractions;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
 
 /**
  * Tests for {@link SessionEventHttpSessionListenerAdapter}.
@@ -97,7 +97,7 @@ class SessionEventHttpSessionListenerAdapterTests {
 
 		this.listener.onApplicationEvent(this.destroyed);
 
-		verifyZeroInteractions(this.destroyed, this.listener1, this.listener2);
+		verifyNoMoreInteractions(this.destroyed, this.listener1, this.listener2);
 	}
 
 	@Test

spring-session-core/src/test/java/org/springframework/session/web/http/SessionRepositoryFilterTests.java

@@ -62,6 +62,7 @@ import org.springframework.test.util.ReflectionTestUtils;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
 import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
+import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
 import static org.assertj.core.api.Assertions.fail;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyString;
@@ -72,7 +73,7 @@ import static org.mockito.Mockito.reset;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyZeroInteractions;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
 
 /**
  * Tests for {@link SessionRepositoryFilter}.
@@ -423,6 +424,18 @@ class SessionRepositoryFilterTests {
 		assertThat(this.response.getCookie("SESSION")).isNotNull();
 	}
 
+	@Test
+	void doFilterGetSessionNewWhenResponseCommittedThenException() {
+		assertThatIllegalStateException().isThrownBy(() -> doFilter(new DoInFilter() {
+			@Override
+			public void doFilter(HttpServletRequest wrappedRequest, HttpServletResponse wrappedResponse)
+					throws IOException {
+				wrappedResponse.getWriter().flush();
+				wrappedRequest.getSession();
+			}
+		}));
+	}
+
 	@Test
 	void doFilterGetSessionNew() throws Exception {
 		doFilter(new DoInFilter() {
@@ -1260,7 +1273,7 @@ class SessionRepositoryFilterTests {
 			}
 		});
 
-		verifyZeroInteractions(sessionRepository);
+		verifyNoMoreInteractions(sessionRepository);
 	}
 
 	@Test
@@ -1275,7 +1288,7 @@ class SessionRepositoryFilterTests {
 			}
 		});
 
-		verifyZeroInteractions(sessionRepository);
+		verifyNoMoreInteractions(sessionRepository);
 	}
 
 	@Test
@@ -1293,7 +1306,7 @@ class SessionRepositoryFilterTests {
 			}
 		});
 
-		verifyZeroInteractions(sessionRepository);
+		verifyNoMoreInteractions(sessionRepository);
 	}
 
 	@Test
@@ -1318,7 +1331,7 @@ class SessionRepositoryFilterTests {
 		verify(sessionRepository).deleteById(eq(session.getId()));
 		verify(sessionRepository).createSession();
 		verify(sessionRepository).save(any());
-		verifyZeroInteractions(sessionRepository);
+		verifyNoMoreInteractions(sessionRepository);
 	}
 
 	// --- order

spring-session-core/src/test/java/org/springframework/session/web/socket/server/SessionRepositoryMessageInterceptorTests.java

@@ -49,7 +49,7 @@ import static org.mockito.ArgumentMatchers.argThat;
 import static org.mockito.BDDMockito.given;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyZeroInteractions;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
 
 class SessionRepositoryMessageInterceptorTests {
 
@@ -98,7 +98,7 @@ class SessionRepositoryMessageInterceptorTests {
 
 		assertThat(this.interceptor.preSend(createMessage(), this.channel)).isSameAs(this.createMessage);
 
-		verifyZeroInteractions(this.sessionRepository);
+		verifyNoMoreInteractions(this.sessionRepository);
 	}
 
 	@Test
@@ -107,7 +107,7 @@ class SessionRepositoryMessageInterceptorTests {
 
 		assertThat(this.interceptor.preSend(createMessage(), this.channel)).isSameAs(this.createMessage);
 
-		verifyZeroInteractions(this.sessionRepository);
+		verifyNoMoreInteractions(this.sessionRepository);
 	}
 
 	@Test
@@ -116,7 +116,7 @@ class SessionRepositoryMessageInterceptorTests {
 
 		assertThat(this.interceptor.preSend(createMessage(), this.channel)).isSameAs(this.createMessage);
 
-		verifyZeroInteractions(this.sessionRepository);
+		verifyNoMoreInteractions(this.sessionRepository);
 	}
 
 	@Test
@@ -125,7 +125,7 @@ class SessionRepositoryMessageInterceptorTests {
 
 		assertThat(this.interceptor.preSend(createMessage(), this.channel)).isSameAs(this.createMessage);
 
-		verifyZeroInteractions(this.sessionRepository);
+		verifyNoMoreInteractions(this.sessionRepository);
 	}
 
 	@Test
@@ -209,7 +209,7 @@ class SessionRepositoryMessageInterceptorTests {
 
 		assertThat(this.interceptor.preSend(createMessage(), this.channel)).isSameAs(this.createMessage);
 
-		verifyZeroInteractions(this.sessionRepository);
+		verifyNoMoreInteractions(this.sessionRepository);
 	}
 
 	@Test
@@ -218,14 +218,14 @@ class SessionRepositoryMessageInterceptorTests {
 
 		assertThat(this.interceptor.preSend(createMessage(), this.channel)).isSameAs(this.createMessage);
 
-		verifyZeroInteractions(this.sessionRepository);
+		verifyNoMoreInteractions(this.sessionRepository);
 	}
 
 	@Test
 	void beforeHandshakeNotServletServerHttpRequest() {
 		assertThat(this.interceptor.beforeHandshake(null, null, null, null)).isTrue();
 
-		verifyZeroInteractions(this.sessionRepository);
+		verifyNoMoreInteractions(this.sessionRepository);
 	}
 
 	@Test
@@ -233,7 +233,7 @@ class SessionRepositoryMessageInterceptorTests {
 		ServletServerHttpRequest request = new ServletServerHttpRequest(new MockHttpServletRequest());
 		assertThat(this.interceptor.beforeHandshake(request, null, null, null)).isTrue();
 
-		verifyZeroInteractions(this.sessionRepository);
+		verifyNoMoreInteractions(this.sessionRepository);
 	}
 
 	@Test
@@ -256,7 +256,7 @@ class SessionRepositoryMessageInterceptorTests {
 	void afterHandshakeDoesNothing() {
 		this.interceptor.afterHandshake(null, null, null, null);
 
-		verifyZeroInteractions(this.sessionRepository);
+		verifyNoMoreInteractions(this.sessionRepository);
 	}
 
 	private void setSessionId(String id) {

spring-session-data-mongodb/spring-session-data-mongodb.gradle

@@ -0,0 +1,45 @@
+apply plugin: 'io.spring.convention.spring-module'
+
+description = "Spring Session and Spring MongoDB integration"
+
+dependencies {
+
+    compile project(':spring-session-core')
+
+    // Spring Data MongoDB
+
+    compile("org.springframework.data:spring-data-mongodb") {
+        exclude group: "org.mongodb", module: "mongo-java-driver"
+        exclude group: "org.slf4j", module: "jcl-over-slf4j"
+    }
+
+    // MongoDB dependencies
+
+    optional "org.mongodb:mongodb-driver-core"
+    testCompile "org.mongodb:mongodb-driver-sync"
+    testCompile "org.mongodb:mongodb-driver-reactivestreams"
+    integrationTestCompile "org.testcontainers:mongodb"
+
+    // Everything else
+
+    compile "com.fasterxml.jackson.core:jackson-databind"
+    compile "org.springframework.security:spring-security-core"
+    compile "com.google.code.findbugs:jsr305"
+
+    optional "io.projectreactor:reactor-core"
+
+    testCompile "org.springframework:spring-web"
+    testCompile "org.springframework:spring-webflux"
+    testCompile "org.springframework.security:spring-security-config"
+    testCompile "org.springframework.security:spring-security-web"
+    testCompile "org.assertj:assertj-core"
+    testCompile "org.junit.jupiter:junit-jupiter-engine"
+    testCompile "org.junit.jupiter:junit-jupiter-params"
+    testCompile "org.springframework:spring-test"
+    testCompile "org.hamcrest:hamcrest"
+    testCompile "ch.qos.logback:logback-core"
+    testCompile "org.mockito:mockito-core"
+    testCompile "org.mockito:mockito-junit-jupiter"
+    testCompile "io.projectreactor:reactor-test"
+    testCompile "javax.servlet:javax.servlet-api"
+}

spring-session-data-mongodb/src/integration-test/java/org/springframework/session/data/mongo/integration/AbstractClassLoaderTest.java

@@ -0,0 +1,76 @@
+/*
+ * Copyright 2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo.integration;
+
+import java.lang.reflect.Field;
+
+import org.assertj.core.api.AssertionsForClassTypes;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.core.serializer.DefaultDeserializer;
+import org.springframework.core.serializer.support.DeserializingConverter;
+import org.springframework.session.data.mongo.AbstractMongoSessionConverter;
+import org.springframework.session.data.mongo.Assert;
+import org.springframework.session.data.mongo.JdkMongoSessionConverter;
+import org.springframework.util.ReflectionUtils;
+
+/**
+ * Verify container's {@link ClassLoader} is injected into session converter (reactive and
+ * traditional).
+ *
+ * @author Greg Turnquist
+ */
+public abstract class AbstractClassLoaderTest<T> extends AbstractITest {
+
+	@Autowired
+	T sessionRepository;
+
+	@Autowired
+	ApplicationContext applicationContext;
+
+	@Test
+	void verifyContainerClassLoaderLoadedIntoConverter() {
+
+		Field mongoSessionConverterField = ReflectionUtils.findField(this.sessionRepository.getClass(),
+				"mongoSessionConverter");
+		ReflectionUtils.makeAccessible(
+				Assert.requireNonNull(mongoSessionConverterField, "mongoSessionConverter must not be null!"));
+		AbstractMongoSessionConverter sessionConverter = (AbstractMongoSessionConverter) ReflectionUtils
+				.getField(mongoSessionConverterField, this.sessionRepository);
+
+		AssertionsForClassTypes.assertThat(sessionConverter).isInstanceOf(JdkMongoSessionConverter.class);
+
+		JdkMongoSessionConverter jdkMongoSessionConverter = (JdkMongoSessionConverter) sessionConverter;
+
+		DeserializingConverter deserializingConverter = (DeserializingConverter) extractField(
+				JdkMongoSessionConverter.class, "deserializer", jdkMongoSessionConverter);
+		DefaultDeserializer deserializer = (DefaultDeserializer) extractField(DeserializingConverter.class,
+				"deserializer", deserializingConverter);
+		ClassLoader classLoader = (ClassLoader) extractField(DefaultDeserializer.class, "classLoader", deserializer);
+
+		AssertionsForClassTypes.assertThat(classLoader).isEqualTo(this.applicationContext.getClassLoader());
+	}
+
+	private static Object extractField(Class<?> clazz, String fieldName, Object obj) {
+
+		Field field = ReflectionUtils.findField(clazz, fieldName);
+		ReflectionUtils.makeAccessible(Assert.requireNonNull(field, fieldName + " must not be null!"));
+		return ReflectionUtils.getField(field, obj);
+	}
+
+}

spring-session-data-mongodb/src/integration-test/java/org/springframework/session/data/mongo/integration/AbstractITest.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2014-2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo.integration;
+
+import java.util.UUID;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.authority.AuthorityUtils;
+import org.springframework.security.core.context.SecurityContext;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.test.context.web.WebAppConfiguration;
+
+/**
+ * Base class for repositories integration tests
+ *
+ * @author Jakub Kubrynski
+ */
+@ExtendWith(SpringExtension.class)
+@WebAppConfiguration
+public abstract class AbstractITest {
+
+	protected SecurityContext context;
+
+	protected SecurityContext changedContext;
+
+	// @Autowired(required = false)
+	// protected SessionEventRegistry registry;
+
+	@BeforeEach
+	void setup() {
+
+		// if (this.registry != null) {
+		// this.registry.clear();
+		// }
+
+		this.context = SecurityContextHolder.createEmptyContext();
+		this.context.setAuthentication(new UsernamePasswordAuthenticationToken("username-" + UUID.randomUUID(), "na",
+				AuthorityUtils.createAuthorityList("ROLE_USER")));
+
+		this.changedContext = SecurityContextHolder.createEmptyContext();
+		this.changedContext.setAuthentication(new UsernamePasswordAuthenticationToken(
+				"changedContext-" + UUID.randomUUID(), "na", AuthorityUtils.createAuthorityList("ROLE_USER")));
+	}
+
+}

spring-session-data-mongodb/src/integration-test/java/org/springframework/session/data/mongo/integration/AbstractMongoRepositoryITest.java

@@ -0,0 +1,408 @@
+/*
+ * Copyright 2014-2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo.integration;
+
+import java.time.Duration;
+import java.time.Instant;
+import java.util.Map;
+import java.util.UUID;
+
+import com.mongodb.client.MongoClient;
+import com.mongodb.client.MongoClients;
+import org.junit.jupiter.api.Test;
+import org.testcontainers.containers.MongoDBContainer;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.data.mongodb.core.MongoOperations;
+import org.springframework.data.mongodb.core.MongoTemplate;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.authority.AuthorityUtils;
+import org.springframework.security.core.context.SecurityContext;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.session.FindByIndexNameSessionRepository;
+import org.springframework.session.Session;
+import org.springframework.session.data.mongo.MongoIndexedSessionRepository;
+import org.springframework.session.data.mongo.MongoSession;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Abstract base class for {@link MongoIndexedSessionRepository} tests.
+ *
+ * @author Jakub Kubrynski
+ * @author Vedran Pavic
+ * @author Greg Turnquist
+ */
+public abstract class AbstractMongoRepositoryITest extends AbstractITest {
+
+	protected static final String SPRING_SECURITY_CONTEXT = "SPRING_SECURITY_CONTEXT";
+
+	protected static final String INDEX_NAME = FindByIndexNameSessionRepository.PRINCIPAL_NAME_INDEX_NAME;
+
+	@Autowired
+	protected MongoIndexedSessionRepository repository;
+
+	@Test
+	void saves() {
+
+		String username = "saves-" + System.currentTimeMillis();
+
+		MongoSession toSave = this.repository.createSession();
+		String expectedAttributeName = "a";
+		String expectedAttributeValue = "b";
+		toSave.setAttribute(expectedAttributeName, expectedAttributeValue);
+		Authentication toSaveToken = new UsernamePasswordAuthenticationToken(username, "password",
+				AuthorityUtils.createAuthorityList("ROLE_USER"));
+		SecurityContext toSaveContext = SecurityContextHolder.createEmptyContext();
+		toSaveContext.setAuthentication(toSaveToken);
+		toSave.setAttribute(SPRING_SECURITY_CONTEXT, toSaveContext);
+		toSave.setAttribute(INDEX_NAME, username);
+
+		this.repository.save(toSave);
+
+		Session session = this.repository.findById(toSave.getId());
+
+		assertThat(session.getId()).isEqualTo(toSave.getId());
+		assertThat(session.getAttributeNames()).isEqualTo(toSave.getAttributeNames());
+		assertThat(session.<String>getAttribute(expectedAttributeName))
+				.isEqualTo(toSave.getAttribute(expectedAttributeName));
+
+		this.repository.deleteById(toSave.getId());
+
+		String id = toSave.getId();
+		assertThat(this.repository.findById(id)).isNull();
+	}
+
+	@Test
+	void putAllOnSingleAttrDoesNotRemoveOld() {
+
+		MongoSession toSave = this.repository.createSession();
+		toSave.setAttribute("a", "b");
+
+		this.repository.save(toSave);
+		toSave = this.repository.findById(toSave.getId());
+
+		toSave.setAttribute("1", "2");
+
+		this.repository.save(toSave);
+		toSave = this.repository.findById(toSave.getId());
+
+		Session session = this.repository.findById(toSave.getId());
+		assertThat(session.getAttributeNames().size()).isEqualTo(2);
+		assertThat(session.<String>getAttribute("a")).isEqualTo("b");
+		assertThat(session.<String>getAttribute("1")).isEqualTo("2");
+
+		this.repository.deleteById(toSave.getId());
+	}
+
+	@Test
+	void findByPrincipalName() throws Exception {
+
+		String principalName = "findByPrincipalName" + UUID.randomUUID();
+		MongoSession toSave = this.repository.createSession();
+		toSave.setAttribute(INDEX_NAME, principalName);
+
+		this.repository.save(toSave);
+
+		Map<String, MongoSession> findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME,
+				principalName);
+
+		assertThat(findByPrincipalName).hasSize(1);
+		assertThat(findByPrincipalName.keySet()).containsOnly(toSave.getId());
+
+		this.repository.deleteById(toSave.getId());
+
+		findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME, principalName);
+
+		assertThat(findByPrincipalName).hasSize(0);
+		assertThat(findByPrincipalName.keySet()).doesNotContain(toSave.getId());
+	}
+
+	@Test
+	void nonExistentSessionShouldNotBreakMongo() {
+		this.repository.deleteById("doesn't exist");
+	}
+
+	@Test
+	void findByPrincipalNameNoPrincipalNameChange() throws Exception {
+
+		String principalName = "findByPrincipalNameNoPrincipalNameChange" + UUID.randomUUID();
+		MongoSession toSave = this.repository.createSession();
+		toSave.setAttribute(INDEX_NAME, principalName);
+
+		this.repository.save(toSave);
+
+		toSave.setAttribute("other", "value");
+		this.repository.save(toSave);
+
+		Map<String, MongoSession> findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME,
+				principalName);
+
+		assertThat(findByPrincipalName).hasSize(1);
+		assertThat(findByPrincipalName.keySet()).containsOnly(toSave.getId());
+	}
+
+	@Test
+	void findByPrincipalNameNoPrincipalNameChangeReload() throws Exception {
+
+		String principalName = "findByPrincipalNameNoPrincipalNameChangeReload" + UUID.randomUUID();
+		MongoSession toSave = this.repository.createSession();
+		toSave.setAttribute(INDEX_NAME, principalName);
+
+		this.repository.save(toSave);
+
+		toSave = this.repository.findById(toSave.getId());
+
+		toSave.setAttribute("other", "value");
+		this.repository.save(toSave);
+
+		Map<String, MongoSession> findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME,
+				principalName);
+
+		assertThat(findByPrincipalName).hasSize(1);
+		assertThat(findByPrincipalName.keySet()).containsOnly(toSave.getId());
+	}
+
+	@Test
+	void findByDeletedPrincipalName() throws Exception {
+
+		String principalName = "findByDeletedPrincipalName" + UUID.randomUUID();
+		MongoSession toSave = this.repository.createSession();
+		toSave.setAttribute(INDEX_NAME, principalName);
+
+		this.repository.save(toSave);
+
+		toSave.setAttribute(INDEX_NAME, null);
+		this.repository.save(toSave);
+
+		Map<String, MongoSession> findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME,
+				principalName);
+
+		assertThat(findByPrincipalName).isEmpty();
+	}
+
+	@Test
+	void findByChangedPrincipalName() throws Exception {
+
+		String principalName = "findByChangedPrincipalName" + UUID.randomUUID();
+		String principalNameChanged = "findByChangedPrincipalName" + UUID.randomUUID();
+		MongoSession toSave = this.repository.createSession();
+		toSave.setAttribute(INDEX_NAME, principalName);
+
+		this.repository.save(toSave);
+
+		toSave.setAttribute(INDEX_NAME, principalNameChanged);
+		this.repository.save(toSave);
+
+		Map<String, MongoSession> findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME,
+				principalName);
+		assertThat(findByPrincipalName).isEmpty();
+
+		findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME, principalNameChanged);
+
+		assertThat(findByPrincipalName).hasSize(1);
+		assertThat(findByPrincipalName.keySet()).containsOnly(toSave.getId());
+	}
+
+	@Test
+	void findByDeletedPrincipalNameReload() throws Exception {
+
+		String principalName = "findByDeletedPrincipalName" + UUID.randomUUID();
+		MongoSession toSave = this.repository.createSession();
+		toSave.setAttribute(INDEX_NAME, principalName);
+
+		this.repository.save(toSave);
+
+		MongoSession getSession = this.repository.findById(toSave.getId());
+		getSession.setAttribute(INDEX_NAME, null);
+		this.repository.save(getSession);
+
+		Map<String, MongoSession> findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME,
+				principalName);
+
+		assertThat(findByPrincipalName).isEmpty();
+	}
+
+	@Test
+	void findByChangedPrincipalNameReload() throws Exception {
+
+		String principalName = "findByChangedPrincipalName" + UUID.randomUUID();
+		String principalNameChanged = "findByChangedPrincipalName" + UUID.randomUUID();
+		MongoSession toSave = this.repository.createSession();
+		toSave.setAttribute(INDEX_NAME, principalName);
+
+		this.repository.save(toSave);
+
+		MongoSession getSession = this.repository.findById(toSave.getId());
+
+		getSession.setAttribute(INDEX_NAME, principalNameChanged);
+		this.repository.save(getSession);
+
+		Map<String, MongoSession> findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME,
+				principalName);
+		assertThat(findByPrincipalName).isEmpty();
+
+		findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME, principalNameChanged);
+
+		assertThat(findByPrincipalName).hasSize(1);
+		assertThat(findByPrincipalName.keySet()).containsOnly(toSave.getId());
+	}
+
+	@Test
+	void findBySecurityPrincipalName() throws Exception {
+
+		MongoSession toSave = this.repository.createSession();
+		toSave.setAttribute(SPRING_SECURITY_CONTEXT, this.context);
+
+		this.repository.save(toSave);
+
+		Map<String, MongoSession> findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME,
+				getSecurityName());
+
+		assertThat(findByPrincipalName).hasSize(1);
+		assertThat(findByPrincipalName.keySet()).containsOnly(toSave.getId());
+
+		this.repository.deleteById(toSave.getId());
+
+		findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME, getSecurityName());
+
+		assertThat(findByPrincipalName).hasSize(0);
+		assertThat(findByPrincipalName.keySet()).doesNotContain(toSave.getId());
+	}
+
+	@Test
+	void findByPrincipalNameNoSecurityPrincipalNameChange() throws Exception {
+
+		MongoSession toSave = this.repository.createSession();
+		toSave.setAttribute(SPRING_SECURITY_CONTEXT, this.context);
+
+		this.repository.save(toSave);
+
+		toSave.setAttribute("other", "value");
+		this.repository.save(toSave);
+
+		Map<String, MongoSession> findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME,
+				getSecurityName());
+
+		assertThat(findByPrincipalName).hasSize(1);
+		assertThat(findByPrincipalName.keySet()).containsOnly(toSave.getId());
+	}
+
+	@Test
+	void findByDeletedSecurityPrincipalName() throws Exception {
+
+		MongoSession toSave = this.repository.createSession();
+		toSave.setAttribute(SPRING_SECURITY_CONTEXT, this.context);
+
+		this.repository.save(toSave);
+
+		toSave.setAttribute(SPRING_SECURITY_CONTEXT, null);
+		this.repository.save(toSave);
+
+		Map<String, MongoSession> findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME,
+				getSecurityName());
+
+		assertThat(findByPrincipalName).isEmpty();
+	}
+
+	@Test
+	void findByChangedSecurityPrincipalName() throws Exception {
+
+		MongoSession toSave = this.repository.createSession();
+		toSave.setAttribute(SPRING_SECURITY_CONTEXT, this.context);
+
+		this.repository.save(toSave);
+
+		toSave.setAttribute(SPRING_SECURITY_CONTEXT, this.changedContext);
+		this.repository.save(toSave);
+
+		Map<String, MongoSession> findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME,
+				getSecurityName());
+		assertThat(findByPrincipalName).isEmpty();
+
+		findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME, getChangedSecurityName());
+
+		assertThat(findByPrincipalName).hasSize(1);
+		assertThat(findByPrincipalName.keySet()).containsOnly(toSave.getId());
+	}
+
+	@Test
+	void findByChangedSecurityPrincipalNameReload() throws Exception {
+
+		MongoSession toSave = this.repository.createSession();
+		toSave.setAttribute(SPRING_SECURITY_CONTEXT, this.context);
+
+		this.repository.save(toSave);
+
+		MongoSession getSession = this.repository.findById(toSave.getId());
+
+		getSession.setAttribute(SPRING_SECURITY_CONTEXT, this.changedContext);
+		this.repository.save(getSession);
+
+		Map<String, MongoSession> findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME,
+				getSecurityName());
+		assertThat(findByPrincipalName).isEmpty();
+
+		findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME, getChangedSecurityName());
+
+		assertThat(findByPrincipalName).hasSize(1);
+		assertThat(findByPrincipalName.keySet()).containsOnly(toSave.getId());
+	}
+
+	@Test
+	void loadExpiredSession() throws Exception {
+
+		// given
+		MongoSession expiredSession = this.repository.createSession();
+		Instant thirtyOneMinutesAgo = Instant.ofEpochMilli(System.currentTimeMillis()).minus(Duration.ofMinutes(31));
+		expiredSession.setLastAccessedTime(thirtyOneMinutesAgo);
+		this.repository.save(expiredSession);
+
+		// then
+		MongoSession expiredSessionFromDb = this.repository.findById(expiredSession.getId());
+		assertThat(expiredSessionFromDb).isNull();
+	}
+
+	protected String getSecurityName() {
+		return this.context.getAuthentication().getName();
+	}
+
+	protected String getChangedSecurityName() {
+		return this.changedContext.getAuthentication().getName();
+	}
+
+	protected static class BaseConfig {
+
+		private static final String DOCKER_IMAGE = "mongo:4.0.10";
+
+		@Bean(initMethod = "start", destroyMethod = "stop")
+		public MongoDBContainer mongoContainer() {
+			return new MongoDBContainer(DOCKER_IMAGE).withExposedPorts(27017);
+		}
+
+		@Bean
+		public MongoOperations mongoOperations(MongoDBContainer mongoContainer) {
+
+			MongoClient mongo = MongoClients.create(
+					"mongodb://" + mongoContainer.getContainerIpAddress() + ":" + mongoContainer.getFirstMappedPort());
+			return new MongoTemplate(mongo, "test");
+		}
+
+	}
+
+}

spring-session-data-mongodb/src/integration-test/java/org/springframework/session/data/mongo/integration/MongoDbDeleteJacksonSessionVerificationTest.java

@@ -0,0 +1,199 @@
+/*
+ * Copyright 2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo.integration;
+
+import java.net.URI;
+
+import com.mongodb.reactivestreams.client.MongoClient;
+import com.mongodb.reactivestreams.client.MongoClients;
+import org.assertj.core.api.AssertionsForClassTypes;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.testcontainers.containers.MongoDBContainer;
+import reactor.test.StepVerifier;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.mongodb.core.ReactiveMongoOperations;
+import org.springframework.data.mongodb.core.ReactiveMongoTemplate;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity;
+import org.springframework.security.config.web.server.ServerHttpSecurity;
+import org.springframework.security.core.userdetails.MapReactiveUserDetailsService;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.web.server.SecurityWebFilterChain;
+import org.springframework.session.data.mongo.AbstractMongoSessionConverter;
+import org.springframework.session.data.mongo.JacksonMongoSessionConverter;
+import org.springframework.session.data.mongo.config.annotation.web.reactive.EnableMongoWebSession;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.test.web.reactive.server.FluxExchangeResult;
+import org.springframework.test.web.reactive.server.WebTestClient;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.reactive.config.EnableWebFlux;
+import org.springframework.web.reactive.function.BodyInserters;
+
+/**
+ * @author Boris Finkelshteyn
+ */
+@ExtendWith(SpringExtension.class)
+@ContextConfiguration
+public class MongoDbDeleteJacksonSessionVerificationTest {
+
+	@Autowired
+	ApplicationContext ctx;
+
+	WebTestClient client;
+
+	@BeforeEach
+	void setUp() {
+		this.client = WebTestClient.bindToApplicationContext(this.ctx).build();
+	}
+
+	@Test
+	void logoutShouldDeleteOldSessionFromMongoDB() {
+
+		// 1. Login and capture the SESSION cookie value.
+
+		FluxExchangeResult<String> loginResult = this.client.post().uri("/login")
+				.contentType(MediaType.APPLICATION_FORM_URLENCODED) //
+				.body(BodyInserters //
+						.fromFormData("username", "admin") //
+						.with("password", "password")) //
+				.exchange() //
+				.returnResult(String.class);
+
+		AssertionsForClassTypes.assertThat(loginResult.getResponseHeaders().getLocation()).isEqualTo(URI.create("/"));
+
+		String originalSessionId = loginResult.getResponseCookies().getFirst("SESSION").getValue();
+
+		// 2. Fetch a protected resource using the SESSION cookie.
+
+		this.client.get().uri("/hello") //
+				.cookie("SESSION", originalSessionId) //
+				.exchange() //
+				.expectStatus().isOk() //
+				.returnResult(String.class).getResponseBody() //
+				.as(StepVerifier::create) //
+				.expectNext("HelloWorld") //
+				.verifyComplete();
+
+		// 3. Logout using the SESSION cookie, and capture the new SESSION cookie.
+
+		String newSessionId = this.client.post().uri("/logout") //
+				.cookie("SESSION", originalSessionId) //
+				.exchange() //
+				.expectStatus().isFound() //
+				.returnResult(String.class).getResponseCookies().getFirst("SESSION").getValue();
+
+		AssertionsForClassTypes.assertThat(newSessionId).isNotEqualTo(originalSessionId);
+
+		// 4. Verify the new SESSION cookie is not yet authorized.
+
+		this.client.get().uri("/hello") //
+				.cookie("SESSION", newSessionId) //
+				.exchange() //
+				.expectStatus().isFound() //
+				.expectHeader()
+				.value(HttpHeaders.LOCATION, (value) -> AssertionsForClassTypes.assertThat(value).isEqualTo("/login"));
+
+		// 5. Verify the original SESSION cookie no longer works.
+
+		this.client.get().uri("/hello") //
+				.cookie("SESSION", originalSessionId) //
+				.exchange() //
+				.expectStatus().isFound() //
+				.expectHeader()
+				.value(HttpHeaders.LOCATION, (value) -> AssertionsForClassTypes.assertThat(value).isEqualTo("/login"));
+	}
+
+	@RestController
+	static class TestController {
+
+		@GetMapping("/hello")
+		ResponseEntity<String> hello() {
+			return ResponseEntity.ok("HelloWorld");
+		}
+
+	}
+
+	@EnableWebFluxSecurity
+	static class SecurityConfig {
+
+		@Bean
+		SecurityWebFilterChain securityWebFilterChain(ServerHttpSecurity http) {
+			return http //
+					.logout()//
+					/**/.and() //
+					.formLogin() //
+					/**/.and() //
+					.csrf().disable() //
+					.authorizeExchange() //
+					.anyExchange().authenticated() //
+					/**/.and() //
+					.build();
+		}
+
+		@Bean
+		MapReactiveUserDetailsService userDetailsService() {
+			return new MapReactiveUserDetailsService(User.withDefaultPasswordEncoder() //
+					.username("admin") //
+					.password("password") //
+					.roles("USER,ADMIN") //
+					.build());
+		}
+
+		@Bean
+		AbstractMongoSessionConverter mongoSessionConverter() {
+			return new JacksonMongoSessionConverter();
+		}
+
+	}
+
+	@Configuration
+	@EnableWebFlux
+	@EnableMongoWebSession
+	static class Config {
+
+		private static final String DOCKER_IMAGE = "mongo:4.0.10";
+
+		@Bean(initMethod = "start", destroyMethod = "stop")
+		MongoDBContainer mongoContainer() {
+			return new MongoDBContainer(DOCKER_IMAGE).withExposedPorts(27017);
+		}
+
+		@Bean
+		ReactiveMongoOperations mongoOperations(MongoDBContainer mongoContainer) {
+
+			MongoClient mongo = MongoClients.create(
+					"mongodb://" + mongoContainer.getContainerIpAddress() + ":" + mongoContainer.getFirstMappedPort());
+			return new ReactiveMongoTemplate(mongo, "DB_Name_DeleteJacksonSessionVerificationTest");
+		}
+
+		@Bean
+		TestController controller() {
+			return new TestController();
+		}
+
+	}
+
+}

spring-session-data-mongodb/src/integration-test/java/org/springframework/session/data/mongo/integration/MongoDbLogoutVerificationTest.java

@@ -0,0 +1,194 @@
+/*
+ * Copyright 2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo.integration;
+
+import java.net.URI;
+
+import com.mongodb.reactivestreams.client.MongoClient;
+import com.mongodb.reactivestreams.client.MongoClients;
+import org.assertj.core.api.AssertionsForClassTypes;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.testcontainers.containers.MongoDBContainer;
+import reactor.test.StepVerifier;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.mongodb.core.ReactiveMongoOperations;
+import org.springframework.data.mongodb.core.ReactiveMongoTemplate;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity;
+import org.springframework.security.config.web.server.ServerHttpSecurity;
+import org.springframework.security.core.userdetails.MapReactiveUserDetailsService;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.web.server.SecurityWebFilterChain;
+import org.springframework.session.data.mongo.config.annotation.web.reactive.EnableMongoWebSession;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.test.web.reactive.server.FluxExchangeResult;
+import org.springframework.test.web.reactive.server.WebTestClient;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.reactive.config.EnableWebFlux;
+import org.springframework.web.reactive.function.BodyInserters;
+
+/**
+ * @author Greg Turnquist
+ */
+@ExtendWith(SpringExtension.class)
+@ContextConfiguration
+public class MongoDbLogoutVerificationTest {
+
+	@Autowired
+	ApplicationContext ctx;
+
+	WebTestClient client;
+
+	@BeforeEach
+	void setUp() {
+		this.client = WebTestClient.bindToApplicationContext(this.ctx).build();
+	}
+
+	@Test
+	void logoutShouldDeleteOldSessionFromMongoDB() {
+
+		// 1. Login and capture the SESSION cookie value.
+
+		FluxExchangeResult<String> loginResult = this.client.post().uri("/login")
+				.contentType(MediaType.APPLICATION_FORM_URLENCODED) //
+				.body(BodyInserters //
+						.fromFormData("username", "admin") //
+						.with("password", "password")) //
+				.exchange() //
+				.returnResult(String.class);
+
+		AssertionsForClassTypes.assertThat(loginResult.getResponseHeaders().getLocation()).isEqualTo(URI.create("/"));
+
+		String originalSessionId = loginResult.getResponseCookies().getFirst("SESSION").getValue();
+
+		// 2. Fetch a protected resource using the SESSION cookie.
+
+		this.client.get().uri("/hello") //
+				.cookie("SESSION", originalSessionId) //
+				.exchange() //
+				.expectStatus().isOk() //
+				.returnResult(String.class).getResponseBody() //
+				.as(StepVerifier::create) //
+				.expectNext("HelloWorld") //
+				.verifyComplete();
+
+		// 3. Logout using the SESSION cookie, and capture the new SESSION cookie.
+
+		String newSessionId = this.client.post().uri("/logout") //
+				.cookie("SESSION", originalSessionId) //
+				.exchange() //
+				.expectStatus().isFound() //
+				.returnResult(String.class).getResponseCookies().getFirst("SESSION").getValue();
+
+		AssertionsForClassTypes.assertThat(newSessionId).isNotEqualTo(originalSessionId);
+
+		// 4. Verify the new SESSION cookie is not yet authorized.
+
+		this.client.get().uri("/hello") //
+				.cookie("SESSION", newSessionId) //
+				.exchange() //
+				.expectStatus().isFound() //
+				.expectHeader()
+				.value(HttpHeaders.LOCATION, (value) -> AssertionsForClassTypes.assertThat(value).isEqualTo("/login"));
+
+		// 5. Verify the original SESSION cookie no longer works.
+
+		this.client.get().uri("/hello") //
+				.cookie("SESSION", originalSessionId) //
+				.exchange() //
+				.expectStatus().isFound() //
+				.expectHeader()
+				.value(HttpHeaders.LOCATION, (value) -> AssertionsForClassTypes.assertThat(value).isEqualTo("/login"));
+	}
+
+	@RestController
+	static class TestController {
+
+		@GetMapping("/hello")
+		ResponseEntity<String> hello() {
+			return ResponseEntity.ok("HelloWorld");
+		}
+
+	}
+
+	@EnableWebFluxSecurity
+	static class SecurityConfig {
+
+		@Bean
+		SecurityWebFilterChain securityWebFilterChain(ServerHttpSecurity http) {
+
+			return http //
+					.logout()//
+					/**/.and() //
+					.formLogin() //
+					/**/.and() //
+					.csrf().disable() //
+					.authorizeExchange() //
+					.anyExchange().authenticated() //
+					/**/.and() //
+					.build();
+		}
+
+		@Bean
+		MapReactiveUserDetailsService userDetailsService() {
+
+			return new MapReactiveUserDetailsService(User.withDefaultPasswordEncoder() //
+					.username("admin") //
+					.password("password") //
+					.roles("USER,ADMIN") //
+					.build());
+		}
+
+	}
+
+	@Configuration
+	@EnableWebFlux
+	@EnableMongoWebSession
+	static class Config {
+
+		private static final String DOCKER_IMAGE = "mongo:4.0.10";
+
+		@Bean(initMethod = "start", destroyMethod = "stop")
+		MongoDBContainer mongoContainer() {
+			return new MongoDBContainer(DOCKER_IMAGE).withExposedPorts(27017);
+		}
+
+		@Bean
+		ReactiveMongoOperations mongoOperations(MongoDBContainer mongoContainer) {
+
+			MongoClient mongo = MongoClients.create(
+					"mongodb://" + mongoContainer.getContainerIpAddress() + ":" + mongoContainer.getFirstMappedPort());
+			return new ReactiveMongoTemplate(mongo, "test");
+		}
+
+		@Bean
+		TestController controller() {
+			return new TestController();
+		}
+
+	}
+
+}

spring-session-data-mongodb/src/integration-test/java/org/springframework/session/data/mongo/integration/MongoRepositoryJacksonITest.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright 2014-2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo.integration;
+
+import java.util.Collections;
+import java.util.Map;
+import java.util.UUID;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.geo.GeoModule;
+import org.springframework.session.data.mongo.AbstractMongoSessionConverter;
+import org.springframework.session.data.mongo.JacksonMongoSessionConverter;
+import org.springframework.session.data.mongo.MongoSession;
+import org.springframework.session.data.mongo.config.annotation.web.http.EnableMongoHttpSession;
+import org.springframework.test.context.ContextConfiguration;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Integration tests for
+ * {@link org.springframework.session.data.mongo.MongoIndexedSessionRepository} that use
+ * {@link JacksonMongoSessionConverter} based session serialization.
+ *
+ * @author Jakub Kubrynski
+ * @author Vedran Pavic
+ * @author Greg Turnquist
+ */
+@ContextConfiguration
+public class MongoRepositoryJacksonITest extends AbstractMongoRepositoryITest {
+
+	@Test
+	void findByCustomIndex() throws Exception {
+
+		MongoSession toSave = this.repository.createSession();
+		String cartId = "cart-" + UUID.randomUUID();
+		toSave.setAttribute("cartId", cartId);
+
+		this.repository.save(toSave);
+
+		Map<String, MongoSession> findByCartId = this.repository.findByIndexNameAndIndexValue("cartId", cartId);
+
+		assertThat(findByCartId).hasSize(1);
+		assertThat(findByCartId.keySet()).containsOnly(toSave.getId());
+	}
+
+	// tag::sample[]
+	@Configuration
+	@EnableMongoHttpSession
+	static class Config extends BaseConfig {
+
+		@Bean
+		AbstractMongoSessionConverter mongoSessionConverter() {
+			return new JacksonMongoSessionConverter(Collections.singletonList(new GeoModule()));
+		}
+
+	}
+	// end::sample[]
+
+}

spring-session-data-mongodb/src/integration-test/java/org/springframework/session/data/mongo/integration/MongoRepositoryJdkSerializationITest.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright 2014-2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo.integration;
+
+import java.time.Duration;
+import java.util.Map;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.session.data.mongo.AbstractMongoSessionConverter;
+import org.springframework.session.data.mongo.JdkMongoSessionConverter;
+import org.springframework.session.data.mongo.MongoSession;
+import org.springframework.session.data.mongo.config.annotation.web.http.EnableMongoHttpSession;
+import org.springframework.test.context.ContextConfiguration;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Integration tests for
+ * {@link org.springframework.session.data.mongo.MongoIndexedSessionRepository} that use
+ * {@link JdkMongoSessionConverter} based session serialization.
+ *
+ * @author Jakub Kubrynski
+ * @author Vedran Pavic
+ * @author Greg Turnquist
+ */
+@ContextConfiguration
+public class MongoRepositoryJdkSerializationITest extends AbstractMongoRepositoryITest {
+
+	@Test
+	void findByDeletedSecurityPrincipalNameReload() throws Exception {
+
+		MongoSession toSave = this.repository.createSession();
+		toSave.setAttribute(SPRING_SECURITY_CONTEXT, this.context);
+
+		this.repository.save(toSave);
+
+		MongoSession getSession = this.repository.findById(toSave.getId());
+		getSession.setAttribute(INDEX_NAME, null);
+		this.repository.save(getSession);
+
+		Map<String, MongoSession> findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME,
+				getChangedSecurityName());
+
+		assertThat(findByPrincipalName).isEmpty();
+	}
+
+	@Test
+	void findByPrincipalNameNoSecurityPrincipalNameChangeReload() throws Exception {
+
+		MongoSession toSave = this.repository.createSession();
+		toSave.setAttribute(SPRING_SECURITY_CONTEXT, this.context);
+
+		this.repository.save(toSave);
+
+		toSave = this.repository.findById(toSave.getId());
+
+		toSave.setAttribute("other", "value");
+		this.repository.save(toSave);
+
+		Map<String, MongoSession> findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME,
+				getSecurityName());
+
+		assertThat(findByPrincipalName).hasSize(1);
+		assertThat(findByPrincipalName.keySet()).containsOnly(toSave.getId());
+	}
+
+	// tag::sample[]
+	@Configuration
+	@EnableMongoHttpSession
+	static class Config extends BaseConfig {
+
+		@Bean
+		AbstractMongoSessionConverter mongoSessionConverter() {
+			return new JdkMongoSessionConverter(Duration.ofMinutes(30));
+		}
+
+	}
+	// end::sample[]
+
+}

spring-session-data-mongodb/src/main/java/org/springframework/session/data/mongo/AbstractMongoSessionConverter.java

@@ -0,0 +1,129 @@
+/*
+ * Copyright 2014-2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.session.data.mongo;
+
+import java.util.Collections;
+import java.util.Set;
+
+import com.mongodb.DBObject;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.bson.Document;
+
+import org.springframework.core.convert.TypeDescriptor;
+import org.springframework.core.convert.converter.GenericConverter;
+import org.springframework.data.domain.Sort;
+import org.springframework.data.mongodb.core.index.Index;
+import org.springframework.data.mongodb.core.index.IndexInfo;
+import org.springframework.data.mongodb.core.index.IndexOperations;
+import org.springframework.data.mongodb.core.query.Query;
+import org.springframework.lang.Nullable;
+import org.springframework.session.DelegatingIndexResolver;
+import org.springframework.session.FindByIndexNameSessionRepository;
+import org.springframework.session.IndexResolver;
+import org.springframework.session.PrincipalNameIndexResolver;
+
+/**
+ * Base class for serializing and deserializing session objects. To create custom
+ * serializer you have to implement this interface and simply register your class as a
+ * bean.
+ *
+ * @author Jakub Kubrynski
+ * @author Greg Turnquist
+ * @since 1.2
+ */
+public abstract class AbstractMongoSessionConverter implements GenericConverter {
+
+	static final String EXPIRE_AT_FIELD_NAME = "expireAt";
+
+	private static final Log LOG = LogFactory.getLog(AbstractMongoSessionConverter.class);
+
+	private static final String SPRING_SECURITY_CONTEXT = "SPRING_SECURITY_CONTEXT";
+
+	private IndexResolver<MongoSession> indexResolver = new DelegatingIndexResolver<>(
+			new PrincipalNameIndexResolver<>());
+
+	/**
+	 * Returns query to be executed to return sessions based on a particular index.
+	 * @param indexName name of the index
+	 * @param indexValue value to query against
+	 * @return built query or null if indexName is not supported
+	 */
+	@Nullable
+	protected abstract Query getQueryForIndex(String indexName, Object indexValue);
+
+	/**
+	 * Method ensures that there is a TTL index on {@literal expireAt} field. It's has
+	 * {@literal expireAfterSeconds} set to zero seconds, so the expiration time is
+	 * controlled by the application. It can be extended in custom converters when there
+	 * is a need for creating additional custom indexes.
+	 * @param sessionCollectionIndexes {@link IndexOperations} to use
+	 */
+	protected void ensureIndexes(IndexOperations sessionCollectionIndexes) {
+
+		for (IndexInfo info : sessionCollectionIndexes.getIndexInfo()) {
+			if (EXPIRE_AT_FIELD_NAME.equals(info.getName())) {
+				LOG.debug("TTL index on field " + EXPIRE_AT_FIELD_NAME + " already exists");
+				return;
+			}
+		}
+
+		LOG.info("Creating TTL index on field " + EXPIRE_AT_FIELD_NAME);
+
+		sessionCollectionIndexes
+				.ensureIndex(new Index(EXPIRE_AT_FIELD_NAME, Sort.Direction.ASC).named(EXPIRE_AT_FIELD_NAME).expire(0));
+	}
+
+	protected String extractPrincipal(MongoSession expiringSession) {
+
+		return this.indexResolver.resolveIndexesFor(expiringSession)
+				.get(FindByIndexNameSessionRepository.PRINCIPAL_NAME_INDEX_NAME);
+	}
+
+	public Set<ConvertiblePair> getConvertibleTypes() {
+
+		return Collections.singleton(new ConvertiblePair(DBObject.class, MongoSession.class));
+	}
+
+	@SuppressWarnings("unchecked")
+	@Nullable
+	public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
+
+		if (source == null) {
+			return null;
+		}
+
+		if (DBObject.class.isAssignableFrom(sourceType.getType())) {
+			return convert(new Document(((DBObject) source).toMap()));
+		}
+		else if (Document.class.isAssignableFrom(sourceType.getType())) {
+			return convert((Document) source);
+		}
+		else {
+			return convert((MongoSession) source);
+		}
+	}
+
+	protected abstract DBObject convert(MongoSession session);
+
+	protected abstract MongoSession convert(Document sessionWrapper);
+
+	public void setIndexResolver(IndexResolver<MongoSession> indexResolver) {
+		this.indexResolver = Assert.requireNonNull(indexResolver, "indexResolver must not be null!");
+	}
+
+}

spring-session-data-mongodb/src/main/java/org/springframework/session/data/mongo/Assert.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo;
+
+import org.springframework.lang.Nullable;
+
+/**
+ * Utility to verify non null fields.
+ *
+ * @author Greg Turnquist
+ */
+public final class Assert {
+
+	private Assert() {
+	}
+
+	public static <T> T requireNonNull(@Nullable T item, String message) {
+
+		if (item == null) {
+			throw new IllegalArgumentException(message);
+		}
+
+		return item;
+	}
+
+}

spring-session-data-mongodb/src/main/java/org/springframework/session/data/mongo/JacksonMongoSessionConverter.java

@@ -0,0 +1,187 @@
+/*
+ * Copyright 2014-2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo;
+
+import java.io.IOException;
+import java.util.Collections;
+import java.util.Date;
+import java.util.HashMap;
+
+import com.fasterxml.jackson.annotation.JsonAutoDetect;
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.PropertyAccessor;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.Module;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.PropertyNamingStrategy;
+import com.mongodb.BasicDBObject;
+import com.mongodb.DBObject;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.bson.Document;
+import org.bson.json.JsonMode;
+import org.bson.json.JsonWriterSettings;
+
+import org.springframework.data.mongodb.core.query.Criteria;
+import org.springframework.data.mongodb.core.query.Query;
+import org.springframework.lang.Nullable;
+import org.springframework.security.jackson2.SecurityJackson2Modules;
+import org.springframework.session.FindByIndexNameSessionRepository;
+import org.springframework.util.Assert;
+
+/**
+ * {@code AbstractMongoSessionConverter} implementation using Jackson.
+ *
+ * @author Jakub Kubrynski
+ * @author Greg Turnquist
+ * @author Michael Ruf
+ * @since 1.2
+ */
+public class JacksonMongoSessionConverter extends AbstractMongoSessionConverter {
+
+	private static final Log LOG = LogFactory.getLog(JacksonMongoSessionConverter.class);
+
+	private static final String ATTRS_FIELD_NAME = "attrs.";
+
+	private static final String PRINCIPAL_FIELD_NAME = "principal";
+
+	private static final String EXPIRE_AT_FIELD_NAME = "expireAt";
+
+	private final ObjectMapper objectMapper;
+
+	public JacksonMongoSessionConverter() {
+		this(Collections.emptyList());
+	}
+
+	public JacksonMongoSessionConverter(Iterable<Module> modules) {
+
+		this.objectMapper = buildObjectMapper();
+		this.objectMapper.registerModules(modules);
+	}
+
+	public JacksonMongoSessionConverter(ObjectMapper objectMapper) {
+
+		Assert.notNull(objectMapper, "ObjectMapper can NOT be null!");
+		this.objectMapper = objectMapper;
+	}
+
+	@Nullable
+	protected Query getQueryForIndex(String indexName, Object indexValue) {
+
+		if (FindByIndexNameSessionRepository.PRINCIPAL_NAME_INDEX_NAME.equals(indexName)) {
+			return Query.query(Criteria.where(PRINCIPAL_FIELD_NAME).is(indexValue));
+		}
+		else {
+			return Query.query(Criteria.where(ATTRS_FIELD_NAME + MongoSession.coverDot(indexName)).is(indexValue));
+		}
+	}
+
+	private ObjectMapper buildObjectMapper() {
+
+		ObjectMapper objectMapper = new ObjectMapper();
+
+		// serialize fields instead of properties
+		objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.NONE);
+		objectMapper.setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY);
+
+		// ignore unresolved fields (mostly 'principal')
+		objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+
+		objectMapper.setPropertyNamingStrategy(new MongoIdNamingStrategy());
+
+		objectMapper.registerModules(SecurityJackson2Modules.getModules(getClass().getClassLoader()));
+		objectMapper.addMixIn(MongoSession.class, MongoSessionMixin.class);
+		objectMapper.addMixIn(HashMap.class, HashMapMixin.class);
+
+		return objectMapper;
+	}
+
+	@Override
+	protected DBObject convert(MongoSession source) {
+
+		try {
+			DBObject dbSession = BasicDBObject.parse(this.objectMapper.writeValueAsString(source));
+
+			// Override default serialization with proper values.
+			dbSession.put(PRINCIPAL_FIELD_NAME, extractPrincipal(source));
+			dbSession.put(EXPIRE_AT_FIELD_NAME, source.getExpireAt());
+			return dbSession;
+		}
+		catch (JsonProcessingException ex) {
+			throw new IllegalStateException("Cannot convert MongoExpiringSession", ex);
+		}
+	}
+
+	@Override
+	@Nullable
+	protected MongoSession convert(Document source) {
+
+		Date expireAt = (Date) source.remove(EXPIRE_AT_FIELD_NAME);
+		source.remove("originalSessionId");
+		String json = source.toJson(JsonWriterSettings.builder().outputMode(JsonMode.RELAXED).build());
+
+		try {
+			MongoSession mongoSession = this.objectMapper.readValue(json, MongoSession.class);
+			mongoSession.setExpireAt(expireAt);
+			return mongoSession;
+		}
+		catch (IOException ex) {
+			LOG.error("Error during Mongo Session deserialization", ex);
+			return null;
+		}
+	}
+
+	/**
+	 * Used to whitelist {@link MongoSession} for {@link SecurityJackson2Modules}.
+	 */
+	private static class MongoSessionMixin {
+
+		@JsonCreator
+		MongoSessionMixin(@JsonProperty("_id") String id,
+				@JsonProperty("intervalSeconds") long maxInactiveIntervalInSeconds) {
+		}
+
+	}
+
+	/**
+	 * Used to whitelist {@link HashMap} for {@link SecurityJackson2Modules}.
+	 */
+	private static class HashMapMixin {
+
+		// Nothing special
+
+	}
+
+	private static class MongoIdNamingStrategy extends PropertyNamingStrategy.PropertyNamingStrategyBase {
+
+		@Override
+		public String translate(String propertyName) {
+
+			switch (propertyName) {
+			case "id":
+				return "_id";
+			case "_id":
+				return "id";
+			default:
+				return propertyName;
+			}
+		}
+
+	}
+
+}

spring-session-data-mongodb/src/main/java/org/springframework/session/data/mongo/JdkMongoSessionConverter.java

@@ -0,0 +1,174 @@
+/*
+ * Copyright 2014-2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.session.data.mongo;
+
+import java.time.Duration;
+import java.time.Instant;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+
+import com.mongodb.BasicDBObject;
+import com.mongodb.DBObject;
+import org.bson.Document;
+import org.bson.types.Binary;
+
+import org.springframework.core.convert.converter.Converter;
+import org.springframework.core.serializer.support.DeserializingConverter;
+import org.springframework.core.serializer.support.SerializingConverter;
+import org.springframework.data.mongodb.core.query.Criteria;
+import org.springframework.data.mongodb.core.query.Query;
+import org.springframework.lang.Nullable;
+import org.springframework.session.FindByIndexNameSessionRepository;
+import org.springframework.session.Session;
+import org.springframework.util.Assert;
+
+/**
+ * {@code AbstractMongoSessionConverter} implementation using standard Java serialization.
+ *
+ * @author Jakub Kubrynski
+ * @author Rob Winch
+ * @author Greg Turnquist
+ * @since 1.2
+ */
+public class JdkMongoSessionConverter extends AbstractMongoSessionConverter {
+
+	private static final String ID = "_id";
+
+	private static final String CREATION_TIME = "created";
+
+	private static final String LAST_ACCESSED_TIME = "accessed";
+
+	private static final String MAX_INTERVAL = "interval";
+
+	private static final String ATTRIBUTES = "attr";
+
+	private static final String PRINCIPAL_FIELD_NAME = "principal";
+
+	private final Converter<Object, byte[]> serializer;
+
+	private final Converter<byte[], Object> deserializer;
+
+	private Duration maxInactiveInterval;
+
+	public JdkMongoSessionConverter(Duration maxInactiveInterval) {
+		this(new SerializingConverter(), new DeserializingConverter(), maxInactiveInterval);
+	}
+
+	public JdkMongoSessionConverter(Converter<Object, byte[]> serializer, Converter<byte[], Object> deserializer,
+			Duration maxInactiveInterval) {
+
+		Assert.notNull(serializer, "serializer cannot be null");
+		Assert.notNull(deserializer, "deserializer cannot be null");
+		Assert.notNull(maxInactiveInterval, "maxInactiveInterval cannot be null");
+
+		this.serializer = serializer;
+		this.deserializer = deserializer;
+		this.maxInactiveInterval = maxInactiveInterval;
+	}
+
+	@Override
+	@Nullable
+	public Query getQueryForIndex(String indexName, Object indexValue) {
+
+		if (FindByIndexNameSessionRepository.PRINCIPAL_NAME_INDEX_NAME.equals(indexName)) {
+			return Query.query(Criteria.where(PRINCIPAL_FIELD_NAME).is(indexValue));
+		}
+		else {
+			return null;
+		}
+	}
+
+	@Override
+	protected DBObject convert(MongoSession session) {
+
+		BasicDBObject basicDBObject = new BasicDBObject();
+
+		basicDBObject.put(ID, session.getId());
+		basicDBObject.put(CREATION_TIME, session.getCreationTime());
+		basicDBObject.put(LAST_ACCESSED_TIME, session.getLastAccessedTime());
+		basicDBObject.put(MAX_INTERVAL, session.getMaxInactiveInterval());
+		basicDBObject.put(PRINCIPAL_FIELD_NAME, extractPrincipal(session));
+		basicDBObject.put(EXPIRE_AT_FIELD_NAME, session.getExpireAt());
+		basicDBObject.put(ATTRIBUTES, serializeAttributes(session));
+
+		return basicDBObject;
+	}
+
+	@Override
+	protected MongoSession convert(Document sessionWrapper) {
+
+		Object maxInterval = sessionWrapper.getOrDefault(MAX_INTERVAL, this.maxInactiveInterval);
+
+		Duration maxIntervalDuration = (maxInterval instanceof Duration) ? (Duration) maxInterval
+				: Duration.parse(maxInterval.toString());
+
+		MongoSession session = new MongoSession(sessionWrapper.getString(ID), maxIntervalDuration.getSeconds());
+
+		Object creationTime = sessionWrapper.get(CREATION_TIME);
+		if (creationTime instanceof Instant) {
+			session.setCreationTime(((Instant) creationTime).toEpochMilli());
+		}
+		else if (creationTime instanceof Date) {
+			session.setCreationTime(((Date) creationTime).getTime());
+		}
+
+		Object lastAccessedTime = sessionWrapper.get(LAST_ACCESSED_TIME);
+		if (lastAccessedTime instanceof Instant) {
+			session.setLastAccessedTime((Instant) lastAccessedTime);
+		}
+		else if (lastAccessedTime instanceof Date) {
+			session.setLastAccessedTime(Instant.ofEpochMilli(((Date) lastAccessedTime).getTime()));
+		}
+
+		session.setExpireAt((Date) sessionWrapper.get(EXPIRE_AT_FIELD_NAME));
+
+		deserializeAttributes(sessionWrapper, session);
+
+		return session;
+	}
+
+	@Nullable
+	private byte[] serializeAttributes(Session session) {
+
+		Map<String, Object> attributes = new HashMap<>();
+
+		for (String attrName : session.getAttributeNames()) {
+			attributes.put(attrName, session.getAttribute(attrName));
+		}
+
+		return this.serializer.convert(attributes);
+	}
+
+	@SuppressWarnings("unchecked")
+	private void deserializeAttributes(Document sessionWrapper, Session session) {
+
+		Object sessionAttributes = sessionWrapper.get(ATTRIBUTES);
+
+		byte[] attributesBytes = ((sessionAttributes instanceof Binary) ? ((Binary) sessionAttributes).getData()
+				: (byte[]) sessionAttributes);
+
+		Map<String, Object> attributes = (Map<String, Object>) this.deserializer.convert(attributesBytes);
+
+		if (attributes != null) {
+			for (Map.Entry<String, Object> entry : attributes.entrySet()) {
+				session.setAttribute(entry.getKey(), entry.getValue());
+			}
+		}
+	}
+
+}

spring-session-data-mongodb/src/main/java/org/springframework/session/data/mongo/MongoIndexedSessionRepository.java

@@ -0,0 +1,192 @@
+/*
+ * Copyright 2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo;
+
+import java.time.Duration;
+import java.util.Collections;
+import java.util.Map;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.bson.Document;
+
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.context.ApplicationEvent;
+import org.springframework.context.ApplicationEventPublisher;
+import org.springframework.context.ApplicationEventPublisherAware;
+import org.springframework.data.mongodb.core.MongoOperations;
+import org.springframework.data.mongodb.core.index.IndexOperations;
+import org.springframework.lang.Nullable;
+import org.springframework.session.FindByIndexNameSessionRepository;
+import org.springframework.session.events.SessionCreatedEvent;
+import org.springframework.session.events.SessionDeletedEvent;
+import org.springframework.session.events.SessionExpiredEvent;
+
+/**
+ * Session repository implementation which stores sessions in Mongo. Uses
+ * {@link AbstractMongoSessionConverter} to transform session objects from/to native Mongo
+ * representation ({@code DBObject}). Repository is also responsible for removing expired
+ * sessions from database. Cleanup is done every minute.
+ *
+ * @author Jakub Kubrynski
+ * @author Greg Turnquist
+ * @since 2.2.0
+ */
+public class MongoIndexedSessionRepository
+		implements FindByIndexNameSessionRepository<MongoSession>, ApplicationEventPublisherAware, InitializingBean {
+
+	/**
+	 * The default time period in seconds in which a session will expire.
+	 */
+	public static final int DEFAULT_INACTIVE_INTERVAL = 1800;
+
+	/**
+	 * the default collection name for storing session.
+	 */
+	public static final String DEFAULT_COLLECTION_NAME = "sessions";
+
+	private static final Log logger = LogFactory.getLog(MongoIndexedSessionRepository.class);
+
+	private final MongoOperations mongoOperations;
+
+	private Integer maxInactiveIntervalInSeconds = DEFAULT_INACTIVE_INTERVAL;
+
+	private String collectionName = DEFAULT_COLLECTION_NAME;
+
+	private AbstractMongoSessionConverter mongoSessionConverter = new JdkMongoSessionConverter(
+			Duration.ofSeconds(this.maxInactiveIntervalInSeconds));
+
+	private ApplicationEventPublisher eventPublisher;
+
+	public MongoIndexedSessionRepository(MongoOperations mongoOperations) {
+		this.mongoOperations = mongoOperations;
+	}
+
+	@Override
+	public MongoSession createSession() {
+
+		MongoSession session = new MongoSession();
+
+		if (this.maxInactiveIntervalInSeconds != null) {
+			session.setMaxInactiveInterval(Duration.ofSeconds(this.maxInactiveIntervalInSeconds));
+		}
+
+		publishEvent(new SessionCreatedEvent(this, session));
+
+		return session;
+	}
+
+	@Override
+	public void save(MongoSession session) {
+		this.mongoOperations
+				.save(Assert.requireNonNull(MongoSessionUtils.convertToDBObject(this.mongoSessionConverter, session),
+						"convertToDBObject must not null!"), this.collectionName);
+	}
+
+	@Override
+	@Nullable
+	public MongoSession findById(String id) {
+
+		Document sessionWrapper = findSession(id);
+
+		if (sessionWrapper == null) {
+			return null;
+		}
+
+		MongoSession session = MongoSessionUtils.convertToSession(this.mongoSessionConverter, sessionWrapper);
+
+		if (session != null && session.isExpired()) {
+			publishEvent(new SessionExpiredEvent(this, session));
+			deleteById(id);
+			return null;
+		}
+
+		return session;
+	}
+
+	/**
+	 * Currently this repository allows only querying against
+	 * {@code PRINCIPAL_NAME_INDEX_NAME}.
+	 * @param indexName the name if the index (i.e.
+	 * {@link FindByIndexNameSessionRepository#PRINCIPAL_NAME_INDEX_NAME})
+	 * @param indexValue the value of the index to search for.
+	 * @return sessions map
+	 */
+	@Override
+	public Map<String, MongoSession> findByIndexNameAndIndexValue(String indexName, String indexValue) {
+
+		return Optional.ofNullable(this.mongoSessionConverter.getQueryForIndex(indexName, indexValue))
+				.map((query) -> this.mongoOperations.find(query, Document.class, this.collectionName))
+				.orElse(Collections.emptyList()).stream()
+				.map((dbSession) -> MongoSessionUtils.convertToSession(this.mongoSessionConverter, dbSession))
+				.collect(Collectors.toMap(MongoSession::getId, (mapSession) -> mapSession));
+	}
+
+	@Override
+	public void deleteById(String id) {
+
+		Optional.ofNullable(findSession(id)).ifPresent((document) -> {
+
+			MongoSession session = MongoSessionUtils.convertToSession(this.mongoSessionConverter, document);
+			if (session != null) {
+				publishEvent(new SessionDeletedEvent(this, session));
+			}
+			this.mongoOperations.remove(document, this.collectionName);
+		});
+	}
+
+	@Override
+	public void afterPropertiesSet() {
+
+		IndexOperations indexOperations = this.mongoOperations.indexOps(this.collectionName);
+		this.mongoSessionConverter.ensureIndexes(indexOperations);
+	}
+
+	@Nullable
+	private Document findSession(String id) {
+		return this.mongoOperations.findById(id, Document.class, this.collectionName);
+	}
+
+	@Override
+	public void setApplicationEventPublisher(ApplicationEventPublisher eventPublisher) {
+		this.eventPublisher = eventPublisher;
+	}
+
+	private void publishEvent(ApplicationEvent event) {
+
+		try {
+			this.eventPublisher.publishEvent(event);
+		}
+		catch (Throwable ex) {
+			logger.error("Error publishing " + event + ".", ex);
+		}
+	}
+
+	public void setMaxInactiveIntervalInSeconds(final Integer maxInactiveIntervalInSeconds) {
+		this.maxInactiveIntervalInSeconds = maxInactiveIntervalInSeconds;
+	}
+
+	public void setCollectionName(final String collectionName) {
+		this.collectionName = collectionName;
+	}
+
+	public void setMongoSessionConverter(final AbstractMongoSessionConverter mongoSessionConverter) {
+		this.mongoSessionConverter = mongoSessionConverter;
+	}
+
+}

spring-session-data-mongodb/src/main/java/org/springframework/session/data/mongo/MongoOperationsSessionRepository.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2014-2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo;
+
+import org.springframework.data.mongodb.core.MongoOperations;
+
+/**
+ * This {@link org.springframework.session.FindByIndexNameSessionRepository}
+ * implementation is kept to support backwards compatibility.
+ *
+ * @author Rob Winch
+ * @since 1.2
+ * @deprecated since 2.2.0 in favor of {@link MongoIndexedSessionRepository}.
+ */
+@Deprecated
+public class MongoOperationsSessionRepository extends MongoIndexedSessionRepository {
+
+	public MongoOperationsSessionRepository(MongoOperations mongoOperations) {
+		super(mongoOperations);
+	}
+
+}

spring-session-data-mongodb/src/main/java/org/springframework/session/data/mongo/MongoSession.java

@@ -0,0 +1,194 @@
+/*
+ * Copyright 2014-2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo;
+
+import java.time.Duration;
+import java.time.Instant;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+import org.springframework.lang.Nullable;
+import org.springframework.session.Session;
+
+/**
+ * Session object providing additional information about the datetime of expiration.
+ *
+ * @author Jakub Kubrynski
+ * @author Greg Turnquist
+ * @since 1.2
+ */
+public class MongoSession implements Session {
+
+	/**
+	 * Mongo doesn't support {@literal dot} in field names. We replace it with a very
+	 * rarely used character
+	 */
+	private static final char DOT_COVER_CHAR = '';
+
+	private String id;
+
+	private String originalSessionId;
+
+	private long createdMillis = System.currentTimeMillis();
+
+	private long accessedMillis;
+
+	private long intervalSeconds;
+
+	private Date expireAt;
+
+	private Map<String, Object> attrs = new HashMap<>();
+
+	public MongoSession() {
+		this(MongoIndexedSessionRepository.DEFAULT_INACTIVE_INTERVAL);
+	}
+
+	public MongoSession(long maxInactiveIntervalInSeconds) {
+		this(UUID.randomUUID().toString(), maxInactiveIntervalInSeconds);
+	}
+
+	public MongoSession(String id, long maxInactiveIntervalInSeconds) {
+
+		this.id = id;
+		this.originalSessionId = id;
+		this.intervalSeconds = maxInactiveIntervalInSeconds;
+		setLastAccessedTime(Instant.ofEpochMilli(this.createdMillis));
+	}
+
+	static String coverDot(String attributeName) {
+		return attributeName.replace('.', DOT_COVER_CHAR);
+	}
+
+	static String uncoverDot(String attributeName) {
+		return attributeName.replace(DOT_COVER_CHAR, '.');
+	}
+
+	@Override
+	public String changeSessionId() {
+
+		String changedId = UUID.randomUUID().toString();
+		this.id = changedId;
+		return changedId;
+	}
+
+	@Override
+	@Nullable
+	public <T> T getAttribute(String attributeName) {
+		return (T) this.attrs.get(coverDot(attributeName));
+	}
+
+	@Override
+	public Set<String> getAttributeNames() {
+		return this.attrs.keySet().stream().map(MongoSession::uncoverDot).collect(Collectors.toSet());
+	}
+
+	@Override
+	public void setAttribute(String attributeName, Object attributeValue) {
+
+		if (attributeValue == null) {
+			removeAttribute(coverDot(attributeName));
+		}
+		else {
+			this.attrs.put(coverDot(attributeName), attributeValue);
+		}
+	}
+
+	@Override
+	public void removeAttribute(String attributeName) {
+		this.attrs.remove(coverDot(attributeName));
+	}
+
+	@Override
+	public Instant getCreationTime() {
+		return Instant.ofEpochMilli(this.createdMillis);
+	}
+
+	public void setCreationTime(long created) {
+		this.createdMillis = created;
+	}
+
+	@Override
+	public Instant getLastAccessedTime() {
+		return Instant.ofEpochMilli(this.accessedMillis);
+	}
+
+	@Override
+	public void setLastAccessedTime(Instant lastAccessedTime) {
+
+		this.accessedMillis = lastAccessedTime.toEpochMilli();
+		this.expireAt = Date.from(lastAccessedTime.plus(Duration.ofSeconds(this.intervalSeconds)));
+	}
+
+	@Override
+	public Duration getMaxInactiveInterval() {
+		return Duration.ofSeconds(this.intervalSeconds);
+	}
+
+	@Override
+	public void setMaxInactiveInterval(Duration interval) {
+		this.intervalSeconds = interval.getSeconds();
+	}
+
+	@Override
+	public boolean isExpired() {
+		return this.intervalSeconds >= 0 && new Date().after(this.expireAt);
+	}
+
+	@Override
+	public boolean equals(Object o) {
+
+		if (this == o) {
+			return true;
+		}
+		if (o == null || getClass() != o.getClass()) {
+			return false;
+		}
+		MongoSession that = (MongoSession) o;
+		return Objects.equals(this.id, that.id);
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hash(this.id);
+	}
+
+	@Override
+	public String getId() {
+		return this.id;
+	}
+
+	public Date getExpireAt() {
+		return this.expireAt;
+	}
+
+	public void setExpireAt(final Date expireAt) {
+		this.expireAt = expireAt;
+	}
+
+	boolean hasChangedSessionId() {
+		return !getId().equals(this.originalSessionId);
+	}
+
+	String getOriginalSessionId() {
+		return this.originalSessionId;
+	}
+
+}

spring-session-data-mongodb/src/main/java/org/springframework/session/data/mongo/MongoSessionUtils.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo;
+
+import com.mongodb.DBObject;
+import org.bson.Document;
+
+import org.springframework.core.convert.TypeDescriptor;
+import org.springframework.lang.Nullable;
+
+/**
+ * Utility for MongoSession.
+ *
+ * @author Greg Turnquist
+ */
+public final class MongoSessionUtils {
+
+	private MongoSessionUtils() {
+	}
+
+	@Nullable
+	static DBObject convertToDBObject(AbstractMongoSessionConverter mongoSessionConverter, MongoSession session) {
+
+		return (DBObject) mongoSessionConverter.convert(session, TypeDescriptor.valueOf(MongoSession.class),
+				TypeDescriptor.valueOf(DBObject.class));
+	}
+
+	@Nullable
+	static MongoSession convertToSession(AbstractMongoSessionConverter mongoSessionConverter, Document session) {
+
+		return (MongoSession) mongoSessionConverter.convert(session, TypeDescriptor.valueOf(Document.class),
+				TypeDescriptor.valueOf(MongoSession.class));
+	}
+
+}

spring-session-data-mongodb/src/main/java/org/springframework/session/data/mongo/ReactiveMongoOperationsSessionRepository.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo;
+
+import org.springframework.data.mongodb.core.ReactiveMongoOperations;
+import org.springframework.session.ReactiveSessionRepository;
+
+/**
+ * This {@link ReactiveSessionRepository} implementation is kept to support migration to
+ * {@link ReactiveMongoSessionRepository} in a backwards compatible manner.
+ *
+ * @author Greg Turnquist
+ * @deprecated since 2.2.0 in favor of {@link ReactiveMongoSessionRepository}.
+ */
+@Deprecated
+public class ReactiveMongoOperationsSessionRepository extends ReactiveMongoSessionRepository {
+
+	public ReactiveMongoOperationsSessionRepository(ReactiveMongoOperations mongoOperations) {
+		super(mongoOperations);
+	}
+
+}

spring-session-data-mongodb/src/main/java/org/springframework/session/data/mongo/ReactiveMongoSessionRepository.java

@@ -0,0 +1,196 @@
+/*
+ * Copyright 2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo;
+
+import java.time.Duration;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.bson.Document;
+import reactor.core.publisher.Mono;
+
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.context.ApplicationEvent;
+import org.springframework.context.ApplicationEventPublisher;
+import org.springframework.context.ApplicationEventPublisherAware;
+import org.springframework.data.mongodb.core.MongoOperations;
+import org.springframework.data.mongodb.core.ReactiveMongoOperations;
+import org.springframework.data.mongodb.core.index.IndexOperations;
+import org.springframework.data.mongodb.core.query.Criteria;
+import org.springframework.data.mongodb.core.query.Query;
+import org.springframework.session.ReactiveSessionRepository;
+import org.springframework.session.events.SessionCreatedEvent;
+import org.springframework.session.events.SessionDeletedEvent;
+
+/**
+ * A {@link ReactiveSessionRepository} implementation that uses Spring Data MongoDB.
+ *
+ * @author Greg Turnquist
+ * @since 2.2.0
+ */
+public class ReactiveMongoSessionRepository
+		implements ReactiveSessionRepository<MongoSession>, ApplicationEventPublisherAware, InitializingBean {
+
+	/**
+	 * The default time period in seconds in which a session will expire.
+	 */
+	public static final int DEFAULT_INACTIVE_INTERVAL = 1800;
+
+	/**
+	 * The default collection name for storing session.
+	 */
+	public static final String DEFAULT_COLLECTION_NAME = "sessions";
+
+	private static final Log logger = LogFactory.getLog(ReactiveMongoSessionRepository.class);
+
+	private final ReactiveMongoOperations mongoOperations;
+
+	private Integer maxInactiveIntervalInSeconds = DEFAULT_INACTIVE_INTERVAL;
+
+	private String collectionName = DEFAULT_COLLECTION_NAME;
+
+	private AbstractMongoSessionConverter mongoSessionConverter = new JdkMongoSessionConverter(
+			Duration.ofSeconds(this.maxInactiveIntervalInSeconds));
+
+	private MongoOperations blockingMongoOperations;
+
+	private ApplicationEventPublisher eventPublisher;
+
+	public ReactiveMongoSessionRepository(ReactiveMongoOperations mongoOperations) {
+		this.mongoOperations = mongoOperations;
+	}
+
+	/**
+	 * Creates a new {@link MongoSession} that is capable of being persisted by this
+	 * {@link ReactiveSessionRepository}.
+	 * <p>
+	 * This allows optimizations and customizations in how the {@link MongoSession} is
+	 * persisted. For example, the implementation returned might keep track of the changes
+	 * ensuring that only the delta needs to be persisted on a save.
+	 * </p>
+	 * @return a new {@link MongoSession} that is capable of being persisted by this
+	 * {@link ReactiveSessionRepository}
+	 */
+	@Override
+	public Mono<MongoSession> createSession() {
+
+		return Mono.justOrEmpty(this.maxInactiveIntervalInSeconds) //
+				.map(MongoSession::new) //
+				.doOnNext((mongoSession) -> publishEvent(new SessionCreatedEvent(this, mongoSession))) //
+				.switchIfEmpty(Mono.just(new MongoSession()));
+	}
+
+	@Override
+	public Mono<Void> save(MongoSession session) {
+
+		return Mono //
+				.justOrEmpty(MongoSessionUtils.convertToDBObject(this.mongoSessionConverter, session)) //
+				.flatMap((dbObject) -> {
+					if (session.hasChangedSessionId()) {
+
+						return this.mongoOperations
+								.remove(Query.query(Criteria.where("_id").is(session.getOriginalSessionId())),
+										this.collectionName) //
+								.then(this.mongoOperations.save(dbObject, this.collectionName));
+					}
+					else {
+
+						return this.mongoOperations.save(dbObject, this.collectionName);
+					}
+				}) //
+				.then();
+	}
+
+	@Override
+	public Mono<MongoSession> findById(String id) {
+
+		return findSession(id) //
+				.map((document) -> MongoSessionUtils.convertToSession(this.mongoSessionConverter, document)) //
+				.filter((mongoSession) -> !mongoSession.isExpired()) //
+				.switchIfEmpty(Mono.defer(() -> this.deleteById(id).then(Mono.empty())));
+	}
+
+	@Override
+	public Mono<Void> deleteById(String id) {
+
+		return findSession(id) //
+				.flatMap((document) -> this.mongoOperations.remove(document, this.collectionName) //
+						.then(Mono.just(document))) //
+				.map((document) -> MongoSessionUtils.convertToSession(this.mongoSessionConverter, document)) //
+				.doOnNext((mongoSession) -> publishEvent(new SessionDeletedEvent(this, mongoSession))) //
+				.then();
+	}
+
+	/**
+	 * Do not use
+	 * {@link org.springframework.data.mongodb.core.index.ReactiveIndexOperations} to
+	 * ensure indexes exist. Instead, get a blocking {@link IndexOperations} and use that
+	 * instead, if possible.
+	 */
+	@Override
+	public void afterPropertiesSet() {
+
+		if (this.blockingMongoOperations != null) {
+
+			IndexOperations indexOperations = this.blockingMongoOperations.indexOps(this.collectionName);
+			this.mongoSessionConverter.ensureIndexes(indexOperations);
+		}
+	}
+
+	private Mono<Document> findSession(String id) {
+		return this.mongoOperations.findById(id, Document.class, this.collectionName);
+	}
+
+	@Override
+	public void setApplicationEventPublisher(ApplicationEventPublisher eventPublisher) {
+		this.eventPublisher = eventPublisher;
+	}
+
+	private void publishEvent(ApplicationEvent event) {
+
+		try {
+			this.eventPublisher.publishEvent(event);
+		}
+		catch (Throwable ex) {
+			logger.error("Error publishing " + event + ".", ex);
+		}
+	}
+
+	public Integer getMaxInactiveIntervalInSeconds() {
+		return this.maxInactiveIntervalInSeconds;
+	}
+
+	public void setMaxInactiveIntervalInSeconds(final Integer maxInactiveIntervalInSeconds) {
+		this.maxInactiveIntervalInSeconds = maxInactiveIntervalInSeconds;
+	}
+
+	public String getCollectionName() {
+		return this.collectionName;
+	}
+
+	public void setCollectionName(final String collectionName) {
+		this.collectionName = collectionName;
+	}
+
+	public void setMongoSessionConverter(final AbstractMongoSessionConverter mongoSessionConverter) {
+		this.mongoSessionConverter = mongoSessionConverter;
+	}
+
+	public void setBlockingMongoOperations(final MongoOperations blockingMongoOperations) {
+		this.blockingMongoOperations = blockingMongoOperations;
+	}
+
+}

spring-session-data-mongodb/src/main/java/org/springframework/session/data/mongo/config/annotation/web/http/EnableMongoHttpSession.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2014-2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo.config.annotation.web.http;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.session.data.mongo.MongoIndexedSessionRepository;
+
+/**
+ * Add this annotation to a {@code @Configuration} class to expose the
+ * SessionRepositoryFilter as a bean named "springSessionRepositoryFilter" and backed by
+ * Mongo. Use {@code collectionName} to change default name of the collection used to
+ * store sessions.
+ *
+ * <pre>
+ * <code>
+ * {@literal @EnableMongoHttpSession}
+ * public class MongoHttpSessionConfig {
+ *
+ *     {@literal @Bean}
+ *     public MongoOperations mongoOperations() throws UnknownHostException {
+ *         return new MongoTemplate(new MongoClient(), "databaseName");
+ *     }
+ *
+ * }
+ * </code> </pre>
+ *
+ * @author Jakub Kubrynski
+ * @since 1.2
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+@Documented
+@Import(MongoHttpSessionConfiguration.class)
+@Configuration(proxyBeanMethods = false)
+public @interface EnableMongoHttpSession {
+
+	/**
+	 * The maximum time a session will be kept if it is inactive.
+	 * @return default max inactive interval in seconds
+	 */
+	int maxInactiveIntervalInSeconds() default MongoIndexedSessionRepository.DEFAULT_INACTIVE_INTERVAL;
+
+	/**
+	 * The collection name to use.
+	 * @return name of the collection to store session
+	 */
+	String collectionName() default MongoIndexedSessionRepository.DEFAULT_COLLECTION_NAME;
+
+}

spring-session-data-mongodb/src/main/java/org/springframework/session/data/mongo/config/annotation/web/http/MongoHttpSessionConfiguration.java

@@ -0,0 +1,157 @@
+/*
+ * Copyright 2014-2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo.config.annotation.web.http;
+
+import java.time.Duration;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.springframework.beans.factory.BeanClassLoaderAware;
+import org.springframework.beans.factory.ObjectProvider;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.EmbeddedValueResolverAware;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.ImportAware;
+import org.springframework.core.annotation.AnnotationAttributes;
+import org.springframework.core.serializer.support.DeserializingConverter;
+import org.springframework.core.serializer.support.SerializingConverter;
+import org.springframework.core.type.AnnotationMetadata;
+import org.springframework.data.mongodb.core.MongoOperations;
+import org.springframework.session.IndexResolver;
+import org.springframework.session.config.SessionRepositoryCustomizer;
+import org.springframework.session.config.annotation.web.http.SpringHttpSessionConfiguration;
+import org.springframework.session.data.mongo.AbstractMongoSessionConverter;
+import org.springframework.session.data.mongo.JdkMongoSessionConverter;
+import org.springframework.session.data.mongo.MongoIndexedSessionRepository;
+import org.springframework.session.data.mongo.MongoSession;
+import org.springframework.util.StringUtils;
+import org.springframework.util.StringValueResolver;
+
+/**
+ * Configuration class registering {@code MongoSessionRepository} bean. To import this
+ * configuration use {@link EnableMongoHttpSession} annotation.
+ *
+ * @author Jakub Kubrynski
+ * @author Eddú Meléndez
+ * @since 1.2
+ */
+@Configuration(proxyBeanMethods = false)
+public class MongoHttpSessionConfiguration extends SpringHttpSessionConfiguration
+		implements BeanClassLoaderAware, EmbeddedValueResolverAware, ImportAware {
+
+	private AbstractMongoSessionConverter mongoSessionConverter;
+
+	private Integer maxInactiveIntervalInSeconds;
+
+	private String collectionName;
+
+	private StringValueResolver embeddedValueResolver;
+
+	private List<SessionRepositoryCustomizer<MongoIndexedSessionRepository>> sessionRepositoryCustomizers;
+
+	private ClassLoader classLoader;
+
+	private IndexResolver<MongoSession> indexResolver;
+
+	@Bean
+	public MongoIndexedSessionRepository mongoSessionRepository(MongoOperations mongoOperations) {
+
+		MongoIndexedSessionRepository repository = new MongoIndexedSessionRepository(mongoOperations);
+		repository.setMaxInactiveIntervalInSeconds(this.maxInactiveIntervalInSeconds);
+
+		if (this.mongoSessionConverter != null) {
+			repository.setMongoSessionConverter(this.mongoSessionConverter);
+
+			if (this.indexResolver != null) {
+				this.mongoSessionConverter.setIndexResolver(this.indexResolver);
+			}
+		}
+		else {
+			JdkMongoSessionConverter mongoSessionConverter = new JdkMongoSessionConverter(new SerializingConverter(),
+					new DeserializingConverter(this.classLoader),
+					Duration.ofSeconds(MongoIndexedSessionRepository.DEFAULT_INACTIVE_INTERVAL));
+
+			if (this.indexResolver != null) {
+				mongoSessionConverter.setIndexResolver(this.indexResolver);
+			}
+
+			repository.setMongoSessionConverter(mongoSessionConverter);
+		}
+
+		if (StringUtils.hasText(this.collectionName)) {
+			repository.setCollectionName(this.collectionName);
+		}
+
+		this.sessionRepositoryCustomizers
+				.forEach((sessionRepositoryCustomizer) -> sessionRepositoryCustomizer.customize(repository));
+
+		return repository;
+	}
+
+	public void setCollectionName(String collectionName) {
+		this.collectionName = collectionName;
+	}
+
+	public void setMaxInactiveIntervalInSeconds(Integer maxInactiveIntervalInSeconds) {
+		this.maxInactiveIntervalInSeconds = maxInactiveIntervalInSeconds;
+	}
+
+	public void setImportMetadata(AnnotationMetadata importMetadata) {
+
+		AnnotationAttributes attributes = AnnotationAttributes
+				.fromMap(importMetadata.getAnnotationAttributes(EnableMongoHttpSession.class.getName()));
+
+		if (attributes != null) {
+			this.maxInactiveIntervalInSeconds = attributes.getNumber("maxInactiveIntervalInSeconds");
+		}
+		else {
+			this.maxInactiveIntervalInSeconds = MongoIndexedSessionRepository.DEFAULT_INACTIVE_INTERVAL;
+		}
+
+		String collectionNameValue = (attributes != null) ? attributes.getString("collectionName") : "";
+		if (StringUtils.hasText(collectionNameValue)) {
+			this.collectionName = this.embeddedValueResolver.resolveStringValue(collectionNameValue);
+		}
+	}
+
+	@Autowired(required = false)
+	public void setMongoSessionConverter(AbstractMongoSessionConverter mongoSessionConverter) {
+		this.mongoSessionConverter = mongoSessionConverter;
+	}
+
+	@Autowired(required = false)
+	public void setSessionRepositoryCustomizers(
+			ObjectProvider<SessionRepositoryCustomizer<MongoIndexedSessionRepository>> sessionRepositoryCustomizers) {
+		this.sessionRepositoryCustomizers = sessionRepositoryCustomizers.orderedStream().collect(Collectors.toList());
+	}
+
+	@Override
+	public void setBeanClassLoader(ClassLoader classLoader) {
+		this.classLoader = classLoader;
+	}
+
+	@Override
+	public void setEmbeddedValueResolver(StringValueResolver resolver) {
+		this.embeddedValueResolver = resolver;
+	}
+
+	@Autowired(required = false)
+	public void setIndexResolver(IndexResolver<MongoSession> indexResolver) {
+		this.indexResolver = indexResolver;
+	}
+
+}

spring-session-data-mongodb/src/main/java/org/springframework/session/data/mongo/config/annotation/web/reactive/EnableMongoWebSession.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo.config.annotation.web.reactive;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.session.data.mongo.ReactiveMongoSessionRepository;
+
+/**
+ * Add this annotation to a {@code @Configuration} class to configure a MongoDB-based
+ * {@code WebSessionManager} for a WebFlux application. This annotation assumes a
+ * {@code ReactorMongoOperations} is defined somewhere in the application context. If not,
+ * it will fail with a clear error messages. For example:
+ *
+ * <pre>
+ * <code>
+ * {@literal @Configuration}
+ * {@literal @EnableMongoWebSession}
+ * public class SpringWebFluxConfig {
+ *
+ *     {@literal @Bean}
+ *     public ReactorMongoOperations operations() {
+ *         return new MaReactorMongoOperations(...);
+ *     }
+ *
+ * }
+ * </code> </pre>
+ *
+ * @author Greg Turnquist
+ * @author Vedran Pavić
+ * @since 2.0
+ */
+@Retention(java.lang.annotation.RetentionPolicy.RUNTIME)
+@Target({ java.lang.annotation.ElementType.TYPE })
+@Documented
+@Import(ReactiveMongoWebSessionConfiguration.class)
+@Configuration(proxyBeanMethods = false)
+public @interface EnableMongoWebSession {
+
+	/**
+	 * The maximum time a session will be kept if it is inactive.
+	 * @return default max inactive interval in seconds
+	 */
+	int maxInactiveIntervalInSeconds() default ReactiveMongoSessionRepository.DEFAULT_INACTIVE_INTERVAL;
+
+	/**
+	 * The collection name to use.
+	 * @return name of the collection to store session
+	 */
+	String collectionName() default ReactiveMongoSessionRepository.DEFAULT_COLLECTION_NAME;
+
+}

spring-session-data-mongodb/src/main/java/org/springframework/session/data/mongo/config/annotation/web/reactive/ReactiveMongoWebSessionConfiguration.java

@@ -0,0 +1,178 @@
+/*
+ * Copyright 2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo.config.annotation.web.reactive;
+
+import java.time.Duration;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.springframework.beans.factory.BeanClassLoaderAware;
+import org.springframework.beans.factory.ObjectProvider;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.EmbeddedValueResolverAware;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.ImportAware;
+import org.springframework.core.annotation.AnnotationAttributes;
+import org.springframework.core.serializer.support.DeserializingConverter;
+import org.springframework.core.serializer.support.SerializingConverter;
+import org.springframework.core.type.AnnotationMetadata;
+import org.springframework.data.mongodb.core.MongoOperations;
+import org.springframework.data.mongodb.core.ReactiveMongoOperations;
+import org.springframework.session.IndexResolver;
+import org.springframework.session.config.ReactiveSessionRepositoryCustomizer;
+import org.springframework.session.config.annotation.web.server.SpringWebSessionConfiguration;
+import org.springframework.session.data.mongo.AbstractMongoSessionConverter;
+import org.springframework.session.data.mongo.JdkMongoSessionConverter;
+import org.springframework.session.data.mongo.MongoSession;
+import org.springframework.session.data.mongo.ReactiveMongoSessionRepository;
+import org.springframework.util.StringUtils;
+import org.springframework.util.StringValueResolver;
+
+/**
+ * Configure a {@link ReactiveMongoSessionRepository} using a provided
+ * {@link ReactiveMongoOperations}.
+ *
+ * @author Greg Turnquist
+ * @author Vedran Pavić
+ */
+@Configuration(proxyBeanMethods = false)
+public class ReactiveMongoWebSessionConfiguration extends SpringWebSessionConfiguration
+		implements BeanClassLoaderAware, EmbeddedValueResolverAware, ImportAware {
+
+	private AbstractMongoSessionConverter mongoSessionConverter;
+
+	private Integer maxInactiveIntervalInSeconds;
+
+	private String collectionName;
+
+	private StringValueResolver embeddedValueResolver;
+
+	private List<ReactiveSessionRepositoryCustomizer<ReactiveMongoSessionRepository>> sessionRepositoryCustomizers;
+
+	@Autowired(required = false)
+	private MongoOperations mongoOperations;
+
+	private ClassLoader classLoader;
+
+	private IndexResolver<MongoSession> indexResolver;
+
+	@Bean
+	public ReactiveMongoSessionRepository reactiveMongoSessionRepository(ReactiveMongoOperations operations) {
+
+		ReactiveMongoSessionRepository repository = new ReactiveMongoSessionRepository(operations);
+
+		if (this.mongoSessionConverter != null) {
+			repository.setMongoSessionConverter(this.mongoSessionConverter);
+
+			if (this.indexResolver != null) {
+				this.mongoSessionConverter.setIndexResolver(this.indexResolver);
+			}
+
+		}
+		else {
+			JdkMongoSessionConverter mongoSessionConverter = new JdkMongoSessionConverter(new SerializingConverter(),
+					new DeserializingConverter(this.classLoader),
+					Duration.ofSeconds(ReactiveMongoSessionRepository.DEFAULT_INACTIVE_INTERVAL));
+
+			if (this.indexResolver != null) {
+				mongoSessionConverter.setIndexResolver(this.indexResolver);
+			}
+
+			repository.setMongoSessionConverter(mongoSessionConverter);
+		}
+
+		if (this.maxInactiveIntervalInSeconds != null) {
+			repository.setMaxInactiveIntervalInSeconds(this.maxInactiveIntervalInSeconds);
+		}
+
+		if (this.collectionName != null) {
+			repository.setCollectionName(this.collectionName);
+		}
+
+		if (this.mongoOperations != null) {
+			repository.setBlockingMongoOperations(this.mongoOperations);
+		}
+
+		this.sessionRepositoryCustomizers
+				.forEach((sessionRepositoryCustomizer) -> sessionRepositoryCustomizer.customize(repository));
+
+		return repository;
+	}
+
+	@Autowired(required = false)
+	public void setMongoSessionConverter(AbstractMongoSessionConverter mongoSessionConverter) {
+		this.mongoSessionConverter = mongoSessionConverter;
+	}
+
+	@Override
+	public void setImportMetadata(AnnotationMetadata importMetadata) {
+
+		AnnotationAttributes attributes = AnnotationAttributes
+				.fromMap(importMetadata.getAnnotationAttributes(EnableMongoWebSession.class.getName()));
+
+		if (attributes != null) {
+			this.maxInactiveIntervalInSeconds = attributes.getNumber("maxInactiveIntervalInSeconds");
+		}
+		else {
+			this.maxInactiveIntervalInSeconds = ReactiveMongoSessionRepository.DEFAULT_INACTIVE_INTERVAL;
+		}
+
+		String collectionNameValue = (attributes != null) ? attributes.getString("collectionName") : "";
+		if (StringUtils.hasText(collectionNameValue)) {
+			this.collectionName = this.embeddedValueResolver.resolveStringValue(collectionNameValue);
+		}
+
+	}
+
+	@Override
+	public void setBeanClassLoader(ClassLoader classLoader) {
+		this.classLoader = classLoader;
+	}
+
+	@Override
+	public void setEmbeddedValueResolver(StringValueResolver embeddedValueResolver) {
+		this.embeddedValueResolver = embeddedValueResolver;
+	}
+
+	public Integer getMaxInactiveIntervalInSeconds() {
+		return this.maxInactiveIntervalInSeconds;
+	}
+
+	public void setMaxInactiveIntervalInSeconds(Integer maxInactiveIntervalInSeconds) {
+		this.maxInactiveIntervalInSeconds = maxInactiveIntervalInSeconds;
+	}
+
+	public String getCollectionName() {
+		return this.collectionName;
+	}
+
+	public void setCollectionName(String collectionName) {
+		this.collectionName = collectionName;
+	}
+
+	@Autowired(required = false)
+	public void setSessionRepositoryCustomizers(
+			ObjectProvider<ReactiveSessionRepositoryCustomizer<ReactiveMongoSessionRepository>> sessionRepositoryCustomizers) {
+		this.sessionRepositoryCustomizers = sessionRepositoryCustomizers.orderedStream().collect(Collectors.toList());
+	}
+
+	@Autowired(required = false)
+	public void setIndexResolver(IndexResolver<MongoSession> indexResolver) {
+		this.indexResolver = indexResolver;
+	}
+
+}

spring-session-data-mongodb/src/main/java/org/springframework/session/data/mongo/package-info.java

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Spring Session MongoDB support.
+ *
+ * @author Greg Turnquist
+ */
+@NonNullApi
+package org.springframework.session.data.mongo;
+
+import org.springframework.lang.NonNullApi;

spring-session-data-mongodb/src/test/java/org/springframework/session/data/mongo/AbstractMongoSessionConverterTest.java

@@ -0,0 +1,141 @@
+/*
+ * Copyright 2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo;
+
+import java.time.Duration;
+
+import com.mongodb.DBObject;
+import org.bson.Document;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.core.convert.TypeDescriptor;
+import org.springframework.lang.Nullable;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.context.SecurityContextImpl;
+import org.springframework.session.FindByIndexNameSessionRepository;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Greg Turnquist
+ */
+public abstract class AbstractMongoSessionConverterTest {
+
+	abstract AbstractMongoSessionConverter getMongoSessionConverter();
+
+	@Test
+	void verifyRoundTripSerialization() throws Exception {
+
+		// given
+		MongoSession toSerialize = new MongoSession();
+		toSerialize.setAttribute("username", "john_the_springer");
+
+		// when
+		DBObject dbObject = convertToDBObject(toSerialize);
+		MongoSession deserialized = convertToSession(dbObject);
+
+		// then
+		assertThat(deserialized).isEqualToComparingFieldByField(toSerialize);
+	}
+
+	@Test
+	void verifyRoundTripSecuritySerialization() {
+
+		// given
+		MongoSession toSerialize = new MongoSession();
+		String principalName = "john_the_springer";
+		SecurityContextImpl context = new SecurityContextImpl();
+		context.setAuthentication(new UsernamePasswordAuthenticationToken(principalName, null));
+		toSerialize.setAttribute("SPRING_SECURITY_CONTEXT", context);
+
+		// when
+		DBObject serialized = convertToDBObject(toSerialize);
+		MongoSession deserialized = convertToSession(serialized);
+
+		// then
+		assertThat(deserialized).isEqualToComparingOnlyGivenFields(toSerialize, "id", "createdMillis", "accessedMillis",
+				"intervalSeconds", "expireAt");
+
+		SecurityContextImpl springSecurityContextBefore = toSerialize.getAttribute("SPRING_SECURITY_CONTEXT");
+		SecurityContextImpl springSecurityContextAfter = deserialized.getAttribute("SPRING_SECURITY_CONTEXT");
+
+		assertThat(springSecurityContextBefore).isEqualToComparingOnlyGivenFields(springSecurityContextAfter,
+				"authentication.principal", "authentication.authorities", "authentication.authenticated");
+		assertThat(springSecurityContextAfter.getAuthentication().getPrincipal()).isEqualTo("john_the_springer");
+		assertThat(springSecurityContextAfter.getAuthentication().getCredentials()).isNull();
+	}
+
+	@Test
+	void shouldExtractPrincipalNameFromAttributes() throws Exception {
+
+		// given
+		MongoSession toSerialize = new MongoSession();
+		String principalName = "john_the_springer";
+		toSerialize.setAttribute(FindByIndexNameSessionRepository.PRINCIPAL_NAME_INDEX_NAME, principalName);
+
+		// when
+		DBObject dbObject = convertToDBObject(toSerialize);
+
+		// then
+		assertThat(dbObject.get("principal")).isEqualTo(principalName);
+	}
+
+	@Test
+	void shouldExtractPrincipalNameFromAuthentication() throws Exception {
+
+		// given
+		MongoSession toSerialize = new MongoSession();
+		String principalName = "john_the_springer";
+		SecurityContextImpl context = new SecurityContextImpl();
+		context.setAuthentication(new UsernamePasswordAuthenticationToken(principalName, null));
+		toSerialize.setAttribute("SPRING_SECURITY_CONTEXT", context);
+
+		// when
+		DBObject dbObject = convertToDBObject(toSerialize);
+
+		// then
+		assertThat(dbObject.get("principal")).isEqualTo(principalName);
+	}
+
+	@Test
+	void sessionWrapperWithNoMaxIntervalShouldFallbackToDefaultValues() {
+
+		// given
+		MongoSession toSerialize = new MongoSession();
+		DBObject dbObject = convertToDBObject(toSerialize);
+		Document document = new Document(dbObject.toMap());
+		document.remove("interval");
+
+		// when
+		MongoSession convertedSession = getMongoSessionConverter().convert(document);
+
+		// then
+		assertThat(convertedSession.getMaxInactiveInterval()).isEqualTo(Duration.ofMinutes(30));
+	}
+
+	@Nullable
+	MongoSession convertToSession(DBObject session) {
+		return (MongoSession) getMongoSessionConverter().convert(session, TypeDescriptor.valueOf(DBObject.class),
+				TypeDescriptor.valueOf(MongoSession.class));
+	}
+
+	@Nullable
+	DBObject convertToDBObject(MongoSession session) {
+		return (DBObject) getMongoSessionConverter().convert(session, TypeDescriptor.valueOf(MongoSession.class),
+				TypeDescriptor.valueOf(DBObject.class));
+	}
+
+}

spring-session-data-mongodb/src/test/java/org/springframework/session/data/mongo/JacksonMongoSessionConverterTest.java

@@ -0,0 +1,129 @@
+/*
+ * Copyright 2014-2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo;
+
+import java.lang.reflect.Field;
+import java.util.Date;
+import java.util.HashMap;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.mongodb.DBObject;
+import org.assertj.core.api.Assertions;
+import org.assertj.core.api.AssertionsForClassTypes;
+import org.bson.Document;
+import org.bson.types.ObjectId;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.data.mongodb.core.query.Query;
+import org.springframework.util.ReflectionUtils;
+
+/**
+ * @author Jakub Kubrynski
+ * @author Greg Turnquist
+ */
+public class JacksonMongoSessionConverterTest extends AbstractMongoSessionConverterTest {
+
+	JacksonMongoSessionConverter mongoSessionConverter = new JacksonMongoSessionConverter();
+
+	@Override
+	AbstractMongoSessionConverter getMongoSessionConverter() {
+		return this.mongoSessionConverter;
+	}
+
+	@Test
+	void shouldSaveIdField() {
+
+		// given
+		MongoSession session = new MongoSession();
+
+		// when
+		DBObject convert = this.mongoSessionConverter.convert(session);
+
+		// then
+		AssertionsForClassTypes.assertThat(convert.get("_id")).isEqualTo(session.getId());
+		AssertionsForClassTypes.assertThat(convert.get("id")).isNull();
+	}
+
+	@Test
+	void shouldQueryAgainstAttribute() throws Exception {
+
+		// when
+		Query cart = this.mongoSessionConverter.getQueryForIndex("cart", "my-cart");
+
+		// then
+		AssertionsForClassTypes.assertThat(cart.getQueryObject().get("attrs.cart")).isEqualTo("my-cart");
+	}
+
+	@Test
+	void shouldAllowCustomObjectMapper() {
+
+		// given
+		ObjectMapper myMapper = new ObjectMapper();
+
+		// when
+		JacksonMongoSessionConverter converter = new JacksonMongoSessionConverter(myMapper);
+
+		// then
+		Field objectMapperField = ReflectionUtils.findField(JacksonMongoSessionConverter.class, "objectMapper");
+		ReflectionUtils.makeAccessible(objectMapperField);
+		ObjectMapper converterMapper = (ObjectMapper) ReflectionUtils.getField(objectMapperField, converter);
+
+		AssertionsForClassTypes.assertThat(converterMapper).isEqualTo(myMapper);
+	}
+
+	@Test
+	void shouldNotAllowNullObjectMapperToBeInjected() {
+
+		Assertions.assertThatIllegalArgumentException()
+				.isThrownBy(() -> new JacksonMongoSessionConverter((ObjectMapper) null));
+	}
+
+	@Test
+	void shouldSaveExpireAtAsDate() {
+
+		// given
+		MongoSession session = new MongoSession();
+
+		// when
+		DBObject convert = this.mongoSessionConverter.convert(session);
+
+		// then
+		AssertionsForClassTypes.assertThat(convert.get("expireAt")).isInstanceOf(Date.class);
+		AssertionsForClassTypes.assertThat(convert.get("expireAt")).isEqualTo(session.getExpireAt());
+	}
+
+	@Test
+	void shouldLoadExpireAtFromDocument() {
+
+		// given
+		Date now = new Date();
+		HashMap<String, Object> data = new HashMap<>();
+
+		data.put("expireAt", now);
+		data.put("@class", MongoSession.class.getName());
+		data.put("_id", new ObjectId().toString());
+
+		Document document = new Document(data);
+
+		// when
+		MongoSession convertedSession = this.mongoSessionConverter.convert(document);
+
+		// then
+		AssertionsForClassTypes.assertThat(convertedSession).isNotNull();
+		AssertionsForClassTypes.assertThat(convertedSession.getExpireAt()).isEqualTo(now);
+	}
+
+}

spring-session-data-mongodb/src/test/java/org/springframework/session/data/mongo/JdkMongoSessionConverterTest.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2014-2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo;
+
+import java.time.Duration;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.core.serializer.support.DeserializingConverter;
+import org.springframework.core.serializer.support.SerializingConverter;
+
+import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
+
+/**
+ * @author Jakub Kubrynski
+ * @author Rob Winch
+ * @author Greg Turnquist
+ */
+public class JdkMongoSessionConverterTest extends AbstractMongoSessionConverterTest {
+
+	Duration inactiveInterval = Duration.ofMinutes(30);
+
+	JdkMongoSessionConverter mongoSessionConverter = new JdkMongoSessionConverter(this.inactiveInterval);
+
+	@Override
+	AbstractMongoSessionConverter getMongoSessionConverter() {
+		return this.mongoSessionConverter;
+	}
+
+	@Test
+	void constructorNullSerializer() {
+		assertThatIllegalArgumentException().isThrownBy(
+				() -> new JdkMongoSessionConverter(null, new DeserializingConverter(), this.inactiveInterval));
+	}
+
+	@Test
+	void constructorNullDeserializer() {
+		assertThatIllegalArgumentException().isThrownBy(
+				() -> new JdkMongoSessionConverter(new SerializingConverter(), null, this.inactiveInterval));
+	}
+
+}

spring-session-data-mongodb/src/test/java/org/springframework/session/data/mongo/MongoIndexedSessionRepositoryTest.java

@@ -0,0 +1,225 @@
+/*
+ * Copyright 2014-2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.session.data.mongo;
+
+import java.util.Collections;
+import java.util.Map;
+import java.util.UUID;
+
+import com.mongodb.BasicDBObject;
+import com.mongodb.DBObject;
+import org.bson.Document;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import org.springframework.core.convert.TypeDescriptor;
+import org.springframework.data.mongodb.core.MongoOperations;
+import org.springframework.data.mongodb.core.query.Query;
+import org.springframework.session.FindByIndexNameSessionRepository;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.BDDMockito.mock;
+import static org.mockito.BDDMockito.verify;
+
+/**
+ * Tests for {@link MongoIndexedSessionRepository}.
+ *
+ * @author Jakub Kubrynski
+ * @author Vedran Pavic
+ * @author Greg Turnquist
+ */
+@ExtendWith(MockitoExtension.class)
+public class MongoIndexedSessionRepositoryTest {
+
+	@Mock
+	private AbstractMongoSessionConverter converter;
+
+	@Mock
+	private MongoOperations mongoOperations;
+
+	private MongoIndexedSessionRepository repository;
+
+	@BeforeEach
+	void setUp() {
+
+		this.repository = new MongoIndexedSessionRepository(this.mongoOperations);
+		this.repository.setMongoSessionConverter(this.converter);
+	}
+
+	@Test
+	void shouldCreateSession() {
+
+		// when
+		MongoSession session = this.repository.createSession();
+
+		// then
+		assertThat(session.getId()).isNotEmpty();
+		assertThat(session.getMaxInactiveInterval().getSeconds())
+				.isEqualTo(MongoIndexedSessionRepository.DEFAULT_INACTIVE_INTERVAL);
+	}
+
+	@Test
+	void shouldCreateSessionWhenMaxInactiveIntervalNotDefined() {
+
+		// when
+		this.repository.setMaxInactiveIntervalInSeconds(null);
+		MongoSession session = this.repository.createSession();
+
+		// then
+		assertThat(session.getId()).isNotEmpty();
+		assertThat(session.getMaxInactiveInterval().getSeconds())
+				.isEqualTo(MongoIndexedSessionRepository.DEFAULT_INACTIVE_INTERVAL);
+	}
+
+	@Test
+	void shouldSaveSession() {
+
+		// given
+		MongoSession session = new MongoSession();
+		BasicDBObject dbSession = new BasicDBObject();
+
+		given(this.converter.convert(session, TypeDescriptor.valueOf(MongoSession.class),
+				TypeDescriptor.valueOf(DBObject.class))).willReturn(dbSession);
+		// when
+		this.repository.save(session);
+
+		// then
+		verify(this.mongoOperations).save(dbSession, MongoIndexedSessionRepository.DEFAULT_COLLECTION_NAME);
+	}
+
+	@Test
+	void shouldGetSession() {
+
+		// given
+		String sessionId = UUID.randomUUID().toString();
+		Document sessionDocument = new Document();
+
+		given(this.mongoOperations.findById(sessionId, Document.class,
+				MongoIndexedSessionRepository.DEFAULT_COLLECTION_NAME)).willReturn(sessionDocument);
+
+		MongoSession session = new MongoSession();
+
+		given(this.converter.convert(sessionDocument, TypeDescriptor.valueOf(Document.class),
+				TypeDescriptor.valueOf(MongoSession.class))).willReturn(session);
+
+		// when
+		MongoSession retrievedSession = this.repository.findById(sessionId);
+
+		// then
+		assertThat(retrievedSession).isEqualTo(session);
+	}
+
+	@Test
+	void shouldHandleExpiredSession() {
+
+		// given
+		String sessionId = UUID.randomUUID().toString();
+		Document sessionDocument = new Document();
+
+		given(this.mongoOperations.findById(sessionId, Document.class,
+				MongoIndexedSessionRepository.DEFAULT_COLLECTION_NAME)).willReturn(sessionDocument);
+
+		MongoSession session = mock(MongoSession.class);
+
+		given(session.isExpired()).willReturn(true);
+		given(this.converter.convert(sessionDocument, TypeDescriptor.valueOf(Document.class),
+				TypeDescriptor.valueOf(MongoSession.class))).willReturn(session);
+		given(session.getId()).willReturn("sessionId");
+
+		// when
+		this.repository.findById(sessionId);
+
+		// then
+		verify(this.mongoOperations).remove(any(Document.class),
+				eq(MongoIndexedSessionRepository.DEFAULT_COLLECTION_NAME));
+	}
+
+	@Test
+	void shouldDeleteSession() {
+
+		// given
+		String sessionId = UUID.randomUUID().toString();
+
+		Document sessionDocument = new Document();
+		sessionDocument.put("id", sessionId);
+
+		MongoSession mongoSession = new MongoSession(sessionId,
+				MongoIndexedSessionRepository.DEFAULT_INACTIVE_INTERVAL);
+
+		given(this.converter.convert(sessionDocument, TypeDescriptor.valueOf(Document.class),
+				TypeDescriptor.valueOf(MongoSession.class))).willReturn(mongoSession);
+		given(this.mongoOperations.findById(eq(sessionId), eq(Document.class),
+				eq(MongoIndexedSessionRepository.DEFAULT_COLLECTION_NAME))).willReturn(sessionDocument);
+
+		// when
+		this.repository.deleteById(sessionId);
+
+		// then
+		verify(this.mongoOperations).remove(any(Document.class),
+				eq(MongoIndexedSessionRepository.DEFAULT_COLLECTION_NAME));
+	}
+
+	@Test
+	void shouldGetSessionsMapByPrincipal() {
+
+		// given
+		String principalNameIndexName = FindByIndexNameSessionRepository.PRINCIPAL_NAME_INDEX_NAME;
+
+		Document document = new Document();
+
+		given(this.converter.getQueryForIndex(anyString(), any(Object.class))).willReturn(mock(Query.class));
+		given(this.mongoOperations.find(any(Query.class), eq(Document.class),
+				eq(MongoIndexedSessionRepository.DEFAULT_COLLECTION_NAME)))
+						.willReturn(Collections.singletonList(document));
+
+		String sessionId = UUID.randomUUID().toString();
+
+		MongoSession session = new MongoSession(sessionId, 1800);
+
+		given(this.converter.convert(document, TypeDescriptor.valueOf(Document.class),
+				TypeDescriptor.valueOf(MongoSession.class))).willReturn(session);
+
+		// when
+		Map<String, MongoSession> sessionsMap = this.repository.findByIndexNameAndIndexValue(principalNameIndexName,
+				"john");
+
+		// then
+		assertThat(sessionsMap).containsOnlyKeys(sessionId);
+		assertThat(sessionsMap).containsValues(session);
+	}
+
+	@Test
+	void shouldReturnEmptyMapForNotSupportedIndex() {
+
+		// given
+		String index = "some_not_supported_index_name";
+
+		// when
+		Map<String, MongoSession> sessionsMap = this.repository.findByIndexNameAndIndexValue(index, "some_value");
+
+		// then
+		assertThat(sessionsMap).isEmpty();
+	}
+
+}

spring-session-data-mongodb/src/test/java/org/springframework/session/data/mongo/MongoSessionTest.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2014-2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.session.data.mongo;
+
+import java.time.Duration;
+import java.time.Instant;
+
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Rob Winch
+ * @author Greg Turnquist
+ */
+public class MongoSessionTest {
+
+	@Test
+	void isExpiredWhenIntervalNegativeThenFalse() {
+
+		MongoSession session = new MongoSession();
+		session.setMaxInactiveInterval(Duration.ofSeconds(-1));
+		session.setLastAccessedTime(Instant.ofEpochMilli(0L));
+
+		assertThat(session.isExpired()).isFalse();
+	}
+
+}

spring-session-data-mongodb/src/test/java/org/springframework/session/data/mongo/ReactiveMongoSessionRepositoryTest.java

@@ -0,0 +1,229 @@
+/*
+ * Copyright 2014-2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.session.data.mongo;
+
+import java.util.UUID;
+
+import com.mongodb.BasicDBObject;
+import com.mongodb.DBObject;
+import com.mongodb.client.result.DeleteResult;
+import org.bson.Document;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import reactor.core.publisher.Mono;
+import reactor.test.StepVerifier;
+
+import org.springframework.context.ApplicationEventPublisher;
+import org.springframework.core.convert.TypeDescriptor;
+import org.springframework.data.mongodb.core.MongoOperations;
+import org.springframework.data.mongodb.core.ReactiveMongoOperations;
+import org.springframework.data.mongodb.core.index.IndexOperations;
+import org.springframework.session.events.SessionDeletedEvent;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.BDDMockito.any;
+import static org.mockito.BDDMockito.eq;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.BDDMockito.mock;
+import static org.mockito.BDDMockito.times;
+import static org.mockito.BDDMockito.verify;
+
+/**
+ * Tests for {@link ReactiveMongoSessionRepository}.
+ *
+ * @author Jakub Kubrynski
+ * @author Vedran Pavic
+ * @author Greg Turnquist
+ */
+@ExtendWith(MockitoExtension.class)
+public class ReactiveMongoSessionRepositoryTest {
+
+	@Mock
+	private AbstractMongoSessionConverter converter;
+
+	@Mock
+	private ReactiveMongoOperations mongoOperations;
+
+	@Mock
+	private MongoOperations blockingMongoOperations;
+
+	@Mock
+	private ApplicationEventPublisher eventPublisher;
+
+	private ReactiveMongoSessionRepository repository;
+
+	@BeforeEach
+	void setUp() {
+
+		this.repository = new ReactiveMongoSessionRepository(this.mongoOperations);
+		this.repository.setMongoSessionConverter(this.converter);
+		this.repository.setApplicationEventPublisher(this.eventPublisher);
+	}
+
+	@Test
+	void shouldCreateSession() {
+
+		this.repository.createSession() //
+				.as(StepVerifier::create) //
+				.expectNextMatches((mongoSession) -> {
+					assertThat(mongoSession.getId()).isNotEmpty();
+					assertThat(mongoSession.getMaxInactiveInterval().getSeconds())
+							.isEqualTo(ReactiveMongoSessionRepository.DEFAULT_INACTIVE_INTERVAL);
+					return true;
+				}) //
+				.verifyComplete();
+	}
+
+	@Test
+	void shouldCreateSessionWhenMaxInactiveIntervalNotDefined() {
+
+		// when
+		this.repository.setMaxInactiveIntervalInSeconds(null);
+
+		// then
+		this.repository.createSession() //
+				.as(StepVerifier::create) //
+				.expectNextMatches((mongoSession) -> {
+					assertThat(mongoSession.getId()).isNotEmpty();
+					assertThat(mongoSession.getMaxInactiveInterval().getSeconds())
+							.isEqualTo(ReactiveMongoSessionRepository.DEFAULT_INACTIVE_INTERVAL);
+					return true;
+				}) //
+				.verifyComplete();
+	}
+
+	@Test
+	void shouldSaveSession() {
+
+		// given
+		MongoSession session = new MongoSession();
+		BasicDBObject dbSession = new BasicDBObject();
+
+		given(this.converter.convert(session, TypeDescriptor.valueOf(MongoSession.class),
+				TypeDescriptor.valueOf(DBObject.class))).willReturn(dbSession);
+
+		given(this.mongoOperations.save(dbSession, "sessions")).willReturn(Mono.just(dbSession));
+
+		// when
+		this.repository.save(session) //
+				.as(StepVerifier::create) //
+				.verifyComplete();
+
+		verify(this.mongoOperations).save(dbSession, ReactiveMongoSessionRepository.DEFAULT_COLLECTION_NAME);
+	}
+
+	@Test
+	void shouldGetSession() {
+
+		// given
+		String sessionId = UUID.randomUUID().toString();
+		Document sessionDocument = new Document();
+
+		given(this.mongoOperations.findById(sessionId, Document.class,
+				ReactiveMongoSessionRepository.DEFAULT_COLLECTION_NAME)).willReturn(Mono.just(sessionDocument));
+
+		MongoSession session = new MongoSession();
+
+		given(this.converter.convert(sessionDocument, TypeDescriptor.valueOf(Document.class),
+				TypeDescriptor.valueOf(MongoSession.class))).willReturn(session);
+
+		// when
+		this.repository.findById(sessionId) //
+				.as(StepVerifier::create) //
+				.expectNext(session) //
+				.verifyComplete();
+	}
+
+	@Test
+	void shouldHandleExpiredSession() {
+
+		// given
+		String sessionId = UUID.randomUUID().toString();
+		Document sessionDocument = new Document();
+
+		given(this.mongoOperations.findById(sessionId, Document.class,
+				ReactiveMongoSessionRepository.DEFAULT_COLLECTION_NAME)).willReturn(Mono.just(sessionDocument));
+
+		given(this.mongoOperations.remove(sessionDocument, ReactiveMongoSessionRepository.DEFAULT_COLLECTION_NAME))
+				.willReturn(Mono.just(DeleteResult.acknowledged(1)));
+
+		MongoSession session = mock(MongoSession.class);
+
+		given(session.isExpired()).willReturn(true);
+		given(this.converter.convert(sessionDocument, TypeDescriptor.valueOf(Document.class),
+				TypeDescriptor.valueOf(MongoSession.class))).willReturn(session);
+
+		// when
+		this.repository.findById(sessionId) //
+				.as(StepVerifier::create) //
+				.verifyComplete();
+
+		// then
+		verify(this.mongoOperations).remove(any(Document.class),
+				eq(ReactiveMongoSessionRepository.DEFAULT_COLLECTION_NAME));
+	}
+
+	@Test
+	void shouldDeleteSession() {
+
+		// given
+		String sessionId = UUID.randomUUID().toString();
+		Document sessionDocument = new Document();
+
+		given(this.mongoOperations.findById(sessionId, Document.class,
+				ReactiveMongoSessionRepository.DEFAULT_COLLECTION_NAME)).willReturn(Mono.just(sessionDocument));
+
+		given(this.mongoOperations.remove(sessionDocument, "sessions"))
+				.willReturn(Mono.just(DeleteResult.acknowledged(1)));
+
+		MongoSession session = mock(MongoSession.class);
+
+		given(this.converter.convert(sessionDocument, TypeDescriptor.valueOf(Document.class),
+				TypeDescriptor.valueOf(MongoSession.class))).willReturn(session);
+
+		// when
+		this.repository.deleteById(sessionId) //
+				.as(StepVerifier::create) //
+				.verifyComplete();
+
+		verify(this.mongoOperations).remove(any(Document.class),
+				eq(ReactiveMongoSessionRepository.DEFAULT_COLLECTION_NAME));
+
+		verify(this.eventPublisher).publishEvent(any(SessionDeletedEvent.class));
+	}
+
+	@Test
+	void shouldInvokeMethodToCreateIndexesImperatively() {
+
+		// given
+		IndexOperations indexOperations = mock(IndexOperations.class);
+		given(this.blockingMongoOperations.indexOps((String) any())).willReturn(indexOperations);
+
+		this.repository.setBlockingMongoOperations(this.blockingMongoOperations);
+
+		// when
+		this.repository.afterPropertiesSet();
+
+		// then
+		verify(this.blockingMongoOperations, times(1)).indexOps((String) any());
+		verify(this.converter, times(1)).ensureIndexes(indexOperations);
+	}
+
+}

spring-session-data-mongodb/src/test/java/org/springframework/session/data/mongo/config/annotation/web/http/MongoHttpSessionConfigurationTest.java

@@ -0,0 +1,334 @@
+/*
+ * Copyright 2014-2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo.config.annotation.web.http;
+
+import java.net.UnknownHostException;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Order;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.beans.factory.UnsatisfiedDependencyException;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
+import org.springframework.data.mongodb.core.MongoOperations;
+import org.springframework.data.mongodb.core.index.IndexOperations;
+import org.springframework.mock.env.MockEnvironment;
+import org.springframework.session.IndexResolver;
+import org.springframework.session.config.SessionRepositoryCustomizer;
+import org.springframework.session.data.mongo.AbstractMongoSessionConverter;
+import org.springframework.session.data.mongo.JacksonMongoSessionConverter;
+import org.springframework.session.data.mongo.MongoIndexedSessionRepository;
+import org.springframework.session.data.mongo.MongoSession;
+import org.springframework.test.util.ReflectionTestUtils;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.BDDMockito.mock;
+
+/**
+ * Tests for {@link MongoHttpSessionConfiguration}.
+ *
+ * @author Eddú Meléndez
+ * @author Vedran Pavic
+ */
+public class MongoHttpSessionConfigurationTest {
+
+	private static final String COLLECTION_NAME = "testSessions";
+
+	private static final int MAX_INACTIVE_INTERVAL_IN_SECONDS = 600;
+
+	private AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
+
+	@AfterEach
+	void after() {
+
+		if (this.context != null) {
+			this.context.close();
+		}
+	}
+
+	@Test
+	void noMongoOperationsConfiguration() {
+
+		assertThatExceptionOfType(UnsatisfiedDependencyException.class)
+				.isThrownBy(() -> registerAndRefresh(EmptyConfiguration.class))
+				.withMessageContaining("mongoSessionRepository");
+	}
+
+	@Test
+	void defaultConfiguration() {
+
+		registerAndRefresh(DefaultConfiguration.class);
+
+		assertThat(this.context.getBean(MongoIndexedSessionRepository.class)).isNotNull();
+	}
+
+	@Test
+	void customCollectionName() {
+
+		registerAndRefresh(CustomCollectionNameConfiguration.class);
+
+		MongoIndexedSessionRepository repository = this.context.getBean(MongoIndexedSessionRepository.class);
+
+		assertThat(repository).isNotNull();
+		assertThat(ReflectionTestUtils.getField(repository, "collectionName")).isEqualTo(COLLECTION_NAME);
+	}
+
+	@Test
+	void setCustomCollectionName() {
+
+		registerAndRefresh(CustomCollectionNameSetConfiguration.class);
+
+		MongoHttpSessionConfiguration session = this.context.getBean(MongoHttpSessionConfiguration.class);
+
+		assertThat(session).isNotNull();
+		assertThat(ReflectionTestUtils.getField(session, "collectionName")).isEqualTo(COLLECTION_NAME);
+	}
+
+	@Test
+	void customMaxInactiveIntervalInSeconds() {
+
+		registerAndRefresh(CustomMaxInactiveIntervalInSecondsConfiguration.class);
+
+		MongoIndexedSessionRepository repository = this.context.getBean(MongoIndexedSessionRepository.class);
+
+		assertThat(repository).isNotNull();
+		assertThat(ReflectionTestUtils.getField(repository, "maxInactiveIntervalInSeconds"))
+				.isEqualTo(MAX_INACTIVE_INTERVAL_IN_SECONDS);
+	}
+
+	@Test
+	void setCustomMaxInactiveIntervalInSeconds() {
+
+		registerAndRefresh(CustomMaxInactiveIntervalInSecondsSetConfiguration.class);
+
+		MongoIndexedSessionRepository repository = this.context.getBean(MongoIndexedSessionRepository.class);
+
+		assertThat(repository).isNotNull();
+		assertThat(ReflectionTestUtils.getField(repository, "maxInactiveIntervalInSeconds"))
+				.isEqualTo(MAX_INACTIVE_INTERVAL_IN_SECONDS);
+	}
+
+	@Test
+	void setCustomSessionConverterConfiguration() {
+
+		registerAndRefresh(CustomSessionConverterConfiguration.class);
+
+		MongoIndexedSessionRepository repository = this.context.getBean(MongoIndexedSessionRepository.class);
+		AbstractMongoSessionConverter mongoSessionConverter = this.context.getBean(AbstractMongoSessionConverter.class);
+
+		assertThat(repository).isNotNull();
+		assertThat(mongoSessionConverter).isNotNull();
+		assertThat(ReflectionTestUtils.getField(repository, "mongoSessionConverter")).isEqualTo(mongoSessionConverter);
+	}
+
+	@Test
+	void resolveCollectionNameByPropertyPlaceholder() {
+
+		this.context
+				.setEnvironment(new MockEnvironment().withProperty("session.mongo.collectionName", COLLECTION_NAME));
+		registerAndRefresh(CustomMongoJdbcSessionConfiguration.class);
+
+		MongoHttpSessionConfiguration configuration = this.context.getBean(MongoHttpSessionConfiguration.class);
+
+		assertThat(ReflectionTestUtils.getField(configuration, "collectionName")).isEqualTo(COLLECTION_NAME);
+	}
+
+	@Test
+	void sessionRepositoryCustomizer() {
+
+		registerAndRefresh(MongoConfiguration.class, SessionRepositoryCustomizerConfiguration.class);
+
+		MongoIndexedSessionRepository sessionRepository = this.context.getBean(MongoIndexedSessionRepository.class);
+
+		assertThat(sessionRepository).hasFieldOrPropertyWithValue("maxInactiveIntervalInSeconds", 10000);
+	}
+
+	@Test
+	void customIndexResolverConfigurationWithDefaultMongoSessionConverter() {
+
+		registerAndRefresh(MongoConfiguration.class,
+				CustomIndexResolverConfigurationWithDefaultMongoSessionConverter.class);
+
+		MongoIndexedSessionRepository repository = this.context.getBean(MongoIndexedSessionRepository.class);
+		IndexResolver<MongoSession> indexResolver = this.context.getBean(IndexResolver.class);
+
+		assertThat(repository).isNotNull();
+		assertThat(indexResolver).isNotNull();
+		assertThat(repository).extracting("mongoSessionConverter").hasFieldOrPropertyWithValue("indexResolver",
+				indexResolver);
+	}
+
+	@Test
+	void customIndexResolverConfigurationWithProvidedMongoSessionConverter() {
+
+		registerAndRefresh(MongoConfiguration.class,
+				CustomIndexResolverConfigurationWithProvidedMongoSessionConverter.class);
+
+		MongoIndexedSessionRepository repository = this.context.getBean(MongoIndexedSessionRepository.class);
+		IndexResolver<MongoSession> indexResolver = this.context.getBean(IndexResolver.class);
+
+		assertThat(repository).isNotNull();
+		assertThat(indexResolver).isNotNull();
+		assertThat(repository).extracting("mongoSessionConverter").hasFieldOrPropertyWithValue("indexResolver",
+				indexResolver);
+	}
+
+	private void registerAndRefresh(Class<?>... annotatedClasses) {
+
+		this.context.register(annotatedClasses);
+		this.context.refresh();
+	}
+
+	@Configuration
+	@EnableMongoHttpSession
+	static class EmptyConfiguration {
+
+	}
+
+	static class BaseConfiguration {
+
+		@Bean
+		MongoOperations mongoOperations() throws UnknownHostException {
+
+			MongoOperations mongoOperations = mock(MongoOperations.class);
+			IndexOperations indexOperations = mock(IndexOperations.class);
+
+			given(mongoOperations.indexOps(anyString())).willReturn(indexOperations);
+
+			return mongoOperations;
+		}
+
+	}
+
+	@Configuration
+	@EnableMongoHttpSession
+	static class DefaultConfiguration extends BaseConfiguration {
+
+	}
+
+	@Configuration
+	static class MongoConfiguration extends BaseConfiguration {
+
+	}
+
+	@Configuration
+	@EnableMongoHttpSession(collectionName = COLLECTION_NAME)
+	static class CustomCollectionNameConfiguration extends BaseConfiguration {
+
+	}
+
+	@Configuration
+	@Import(MongoConfiguration.class)
+	static class CustomCollectionNameSetConfiguration extends MongoHttpSessionConfiguration {
+
+		CustomCollectionNameSetConfiguration() {
+			setCollectionName(COLLECTION_NAME);
+		}
+
+	}
+
+	@Configuration
+	@EnableMongoHttpSession(maxInactiveIntervalInSeconds = MAX_INACTIVE_INTERVAL_IN_SECONDS)
+	static class CustomMaxInactiveIntervalInSecondsConfiguration extends BaseConfiguration {
+
+	}
+
+	@Configuration
+	@Import(MongoConfiguration.class)
+	static class CustomMaxInactiveIntervalInSecondsSetConfiguration extends MongoHttpSessionConfiguration {
+
+		CustomMaxInactiveIntervalInSecondsSetConfiguration() {
+			setMaxInactiveIntervalInSeconds(MAX_INACTIVE_INTERVAL_IN_SECONDS);
+		}
+
+	}
+
+	@Configuration
+	@Import(MongoConfiguration.class)
+	static class CustomSessionConverterConfiguration extends MongoHttpSessionConfiguration {
+
+		@Bean
+		AbstractMongoSessionConverter mongoSessionConverter() {
+			return mock(AbstractMongoSessionConverter.class);
+		}
+
+	}
+
+	@Configuration
+	@EnableMongoHttpSession(collectionName = "${session.mongo.collectionName}")
+	static class CustomMongoJdbcSessionConfiguration extends BaseConfiguration {
+
+		@Bean
+		PropertySourcesPlaceholderConfigurer propertySourcesPlaceholderConfigurer() {
+			return new PropertySourcesPlaceholderConfigurer();
+		}
+
+	}
+
+	@EnableMongoHttpSession
+	static class SessionRepositoryCustomizerConfiguration {
+
+		@Bean
+		@Order(0)
+		SessionRepositoryCustomizer<MongoIndexedSessionRepository> sessionRepositoryCustomizerOne() {
+			return (sessionRepository) -> sessionRepository.setMaxInactiveIntervalInSeconds(0);
+		}
+
+		@Bean
+		@Order(1)
+		SessionRepositoryCustomizer<MongoIndexedSessionRepository> sessionRepositoryCustomizerTwo() {
+			return (sessionRepository) -> sessionRepository.setMaxInactiveIntervalInSeconds(10000);
+		}
+
+	}
+
+	@Configuration
+	@EnableMongoHttpSession
+	static class CustomIndexResolverConfigurationWithDefaultMongoSessionConverter {
+
+		@Bean
+		@SuppressWarnings("unchecked")
+		IndexResolver<MongoSession> indexResolver() {
+			return mock(IndexResolver.class);
+		}
+
+	}
+
+	@Configuration
+	@EnableMongoHttpSession
+	static class CustomIndexResolverConfigurationWithProvidedMongoSessionConverter {
+
+		@Bean
+		AbstractMongoSessionConverter mongoSessionConverter() {
+			return new JacksonMongoSessionConverter();
+		}
+
+		@Bean
+		@SuppressWarnings("unchecked")
+		IndexResolver<MongoSession> indexResolver() {
+			return mock(IndexResolver.class);
+		}
+
+	}
+
+}

spring-session-data-mongodb/src/test/java/org/springframework/session/data/mongo/config/annotation/web/reactive/ReactiveMongoWebSessionConfigurationTest.java

@@ -0,0 +1,385 @@
+/*
+ * Copyright 2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.session.data.mongo.config.annotation.web.reactive;
+
+import java.lang.reflect.Field;
+import java.util.Collections;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Order;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.beans.factory.UnsatisfiedDependencyException;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.data.mongodb.core.MongoOperations;
+import org.springframework.data.mongodb.core.ReactiveMongoOperations;
+import org.springframework.data.mongodb.core.index.IndexOperations;
+import org.springframework.session.IndexResolver;
+import org.springframework.session.ReactiveSessionRepository;
+import org.springframework.session.config.ReactiveSessionRepositoryCustomizer;
+import org.springframework.session.config.annotation.web.server.EnableSpringWebSession;
+import org.springframework.session.data.mongo.AbstractMongoSessionConverter;
+import org.springframework.session.data.mongo.JacksonMongoSessionConverter;
+import org.springframework.session.data.mongo.JdkMongoSessionConverter;
+import org.springframework.session.data.mongo.MongoSession;
+import org.springframework.session.data.mongo.ReactiveMongoSessionRepository;
+import org.springframework.util.ReflectionUtils;
+import org.springframework.web.server.adapter.WebHttpHandlerBuilder;
+import org.springframework.web.server.session.WebSessionManager;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
+import static org.mockito.BDDMockito.any;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.BDDMockito.mock;
+import static org.mockito.BDDMockito.times;
+import static org.mockito.BDDMockito.verify;
+
+/**
+ * Verify various configurations through {@link EnableSpringWebSession}.
+ *
+ * @author Greg Turnquist
+ * @author Vedran Pavić
+ */
+public class ReactiveMongoWebSessionConfigurationTest {
+
+	private AnnotationConfigApplicationContext context;
+
+	@AfterEach
+	void tearDown() {
+
+		if (this.context != null) {
+			this.context.close();
+		}
+	}
+
+	@Test
+	void enableSpringWebSessionConfiguresThings() {
+
+		this.context = new AnnotationConfigApplicationContext();
+		this.context.register(GoodConfig.class);
+		this.context.refresh();
+
+		WebSessionManager webSessionManagerFoundByType = this.context.getBean(WebSessionManager.class);
+		Object webSessionManagerFoundByName = this.context.getBean(WebHttpHandlerBuilder.WEB_SESSION_MANAGER_BEAN_NAME);
+
+		assertThat(webSessionManagerFoundByType).isNotNull();
+		assertThat(webSessionManagerFoundByName).isNotNull();
+		assertThat(webSessionManagerFoundByType).isEqualTo(webSessionManagerFoundByName);
+
+		assertThat(this.context.getBean(ReactiveSessionRepository.class)).isNotNull();
+	}
+
+	@Test
+	void missingReactorSessionRepositoryBreaksAppContext() {
+
+		this.context = new AnnotationConfigApplicationContext();
+		this.context.register(BadConfig.class);
+
+		assertThatExceptionOfType(UnsatisfiedDependencyException.class).isThrownBy(this.context::refresh)
+				.withMessageContaining("Error creating bean with name 'reactiveMongoSessionRepository'")
+				.withMessageContaining(
+						"No qualifying bean of type '" + ReactiveMongoOperations.class.getCanonicalName());
+	}
+
+	@Test
+	void defaultSessionConverterShouldBeJdkWhenOnClasspath() throws IllegalAccessException {
+
+		this.context = new AnnotationConfigApplicationContext();
+		this.context.register(GoodConfig.class);
+		this.context.refresh();
+
+		ReactiveMongoSessionRepository repository = this.context.getBean(ReactiveMongoSessionRepository.class);
+
+		AbstractMongoSessionConverter converter = findMongoSessionConverter(repository);
+
+		assertThat(converter).isOfAnyClassIn(JdkMongoSessionConverter.class);
+	}
+
+	@Test
+	void overridingMongoSessionConverterWithBeanShouldWork() throws IllegalAccessException {
+
+		this.context = new AnnotationConfigApplicationContext();
+		this.context.register(OverrideSessionConverterConfig.class);
+		this.context.refresh();
+
+		ReactiveMongoSessionRepository repository = this.context.getBean(ReactiveMongoSessionRepository.class);
+
+		AbstractMongoSessionConverter converter = findMongoSessionConverter(repository);
+
+		assertThat(converter).isOfAnyClassIn(JacksonMongoSessionConverter.class);
+	}
+
+	@Test
+	void overridingIntervalAndCollectionNameThroughAnnotationShouldWork() throws IllegalAccessException {
+
+		this.context = new AnnotationConfigApplicationContext();
+		this.context.register(OverrideMongoParametersConfig.class);
+		this.context.refresh();
+
+		ReactiveMongoSessionRepository repository = this.context.getBean(ReactiveMongoSessionRepository.class);
+
+		Field inactiveField = ReflectionUtils.findField(ReactiveMongoSessionRepository.class,
+				"maxInactiveIntervalInSeconds");
+		ReflectionUtils.makeAccessible(inactiveField);
+		Integer inactiveSeconds = (Integer) inactiveField.get(repository);
+
+		Field collectionNameField = ReflectionUtils.findField(ReactiveMongoSessionRepository.class, "collectionName");
+		ReflectionUtils.makeAccessible(collectionNameField);
+		String collectionName = (String) collectionNameField.get(repository);
+
+		assertThat(inactiveSeconds).isEqualTo(123);
+		assertThat(collectionName).isEqualTo("test-case");
+	}
+
+	@Test
+	void reactiveAndBlockingMongoOperationsShouldEnsureIndexing() {
+
+		this.context = new AnnotationConfigApplicationContext();
+		this.context.register(ConfigWithReactiveAndImperativeMongoOperations.class);
+		this.context.refresh();
+
+		MongoOperations operations = this.context.getBean(MongoOperations.class);
+		IndexOperations indexOperations = this.context.getBean(IndexOperations.class);
+
+		verify(operations, times(1)).indexOps((String) any());
+		verify(indexOperations, times(1)).getIndexInfo();
+		verify(indexOperations, times(1)).ensureIndex(any());
+	}
+
+	@Test
+	void overrideCollectionAndInactiveIntervalThroughConfigurationOptions() {
+
+		this.context = new AnnotationConfigApplicationContext();
+		this.context.register(CustomizedReactiveConfiguration.class);
+		this.context.refresh();
+
+		ReactiveMongoSessionRepository repository = this.context.getBean(ReactiveMongoSessionRepository.class);
+
+		assertThat(repository.getCollectionName()).isEqualTo("custom-collection");
+		assertThat(repository.getMaxInactiveIntervalInSeconds()).isEqualTo(123);
+	}
+
+	@Test
+	void sessionRepositoryCustomizer() {
+
+		this.context = new AnnotationConfigApplicationContext();
+		this.context.register(SessionRepositoryCustomizerConfiguration.class);
+		this.context.refresh();
+
+		ReactiveMongoSessionRepository repository = this.context.getBean(ReactiveMongoSessionRepository.class);
+
+		assertThat(repository).hasFieldOrPropertyWithValue("maxInactiveIntervalInSeconds", 10000);
+	}
+
+	@Test
+	void customIndexResolverConfigurationWithDefaultMongoSessionConverter() {
+
+		this.context = new AnnotationConfigApplicationContext();
+		this.context.register(CustomIndexResolverConfigurationWithDefaultMongoSessionConverter.class);
+		this.context.refresh();
+
+		ReactiveMongoSessionRepository repository = this.context.getBean(ReactiveMongoSessionRepository.class);
+		IndexResolver<MongoSession> indexResolver = this.context.getBean(IndexResolver.class);
+
+		assertThat(repository).isNotNull();
+		assertThat(indexResolver).isNotNull();
+		assertThat(repository).extracting("mongoSessionConverter").hasFieldOrPropertyWithValue("indexResolver",
+				indexResolver);
+	}
+
+	@Test
+	void customIndexResolverConfigurationWithProvidedMongoSessionConverter() {
+
+		this.context = new AnnotationConfigApplicationContext();
+		this.context.register(CustomIndexResolverConfigurationWithProvidedtMongoSessionConverter.class);
+		this.context.refresh();
+
+		ReactiveMongoSessionRepository repository = this.context.getBean(ReactiveMongoSessionRepository.class);
+		IndexResolver<MongoSession> indexResolver = this.context.getBean(IndexResolver.class);
+
+		assertThat(repository).isNotNull();
+		assertThat(indexResolver).isNotNull();
+		assertThat(repository).extracting("mongoSessionConverter").hasFieldOrPropertyWithValue("indexResolver",
+				indexResolver);
+	}
+
+	/**
+	 * Reflectively extract the {@link AbstractMongoSessionConverter} from the
+	 * {@link ReactiveMongoSessionRepository}. This is to avoid expanding the surface area
+	 * of the API.
+	 */
+	private AbstractMongoSessionConverter findMongoSessionConverter(ReactiveMongoSessionRepository repository) {
+
+		Field field = ReflectionUtils.findField(ReactiveMongoSessionRepository.class, "mongoSessionConverter");
+		ReflectionUtils.makeAccessible(field);
+		try {
+			return (AbstractMongoSessionConverter) field.get(repository);
+		}
+		catch (IllegalAccessException ex) {
+			throw new RuntimeException(ex);
+		}
+	}
+
+	/**
+	 * A configuration with all the right parts.
+	 */
+	@EnableMongoWebSession
+	static class GoodConfig {
+
+		@Bean
+		ReactiveMongoOperations operations() {
+			return mock(ReactiveMongoOperations.class);
+		}
+
+	}
+
+	/**
+	 * A configuration where no {@link ReactiveMongoOperations} is defined. It's BAD!
+	 */
+	@EnableMongoWebSession
+	static class BadConfig {
+
+	}
+
+	@EnableMongoWebSession
+	static class OverrideSessionConverterConfig {
+
+		@Bean
+		ReactiveMongoOperations operations() {
+			return mock(ReactiveMongoOperations.class);
+		}
+
+		@Bean
+		AbstractMongoSessionConverter mongoSessionConverter() {
+			return new JacksonMongoSessionConverter();
+		}
+
+	}
+
+	@EnableMongoWebSession(maxInactiveIntervalInSeconds = 123, collectionName = "test-case")
+	static class OverrideMongoParametersConfig {
+
+		@Bean
+		ReactiveMongoOperations operations() {
+			return mock(ReactiveMongoOperations.class);
+		}
+
+	}
+
+	@EnableMongoWebSession
+	static class ConfigWithReactiveAndImperativeMongoOperations {
+
+		@Bean
+		ReactiveMongoOperations reactiveMongoOperations() {
+			return mock(ReactiveMongoOperations.class);
+		}
+
+		@Bean
+		IndexOperations indexOperations() {
+
+			IndexOperations indexOperations = mock(IndexOperations.class);
+			given(indexOperations.getIndexInfo()).willReturn(Collections.emptyList());
+			return indexOperations;
+		}
+
+		@Bean
+		MongoOperations mongoOperations(IndexOperations indexOperations) {
+
+			MongoOperations mongoOperations = mock(MongoOperations.class);
+			given(mongoOperations.indexOps((String) any())).willReturn(indexOperations);
+			return mongoOperations;
+		}
+
+	}
+
+	@EnableSpringWebSession
+	static class CustomizedReactiveConfiguration extends ReactiveMongoWebSessionConfiguration {
+
+		CustomizedReactiveConfiguration() {
+
+			this.setCollectionName("custom-collection");
+			this.setMaxInactiveIntervalInSeconds(123);
+		}
+
+		@Bean
+		ReactiveMongoOperations reactiveMongoOperations() {
+			return mock(ReactiveMongoOperations.class);
+		}
+
+	}
+
+	@EnableMongoWebSession
+	static class SessionRepositoryCustomizerConfiguration {
+
+		@Bean
+		ReactiveMongoOperations operations() {
+			return mock(ReactiveMongoOperations.class);
+		}
+
+		@Bean
+		@Order(0)
+		ReactiveSessionRepositoryCustomizer<ReactiveMongoSessionRepository> sessionRepositoryCustomizerOne() {
+			return (sessionRepository) -> sessionRepository.setMaxInactiveIntervalInSeconds(0);
+		}
+
+		@Bean
+		@Order(1)
+		ReactiveSessionRepositoryCustomizer<ReactiveMongoSessionRepository> sessionRepositoryCustomizerTwo() {
+			return (sessionRepository) -> sessionRepository.setMaxInactiveIntervalInSeconds(10000);
+		}
+
+	}
+
+	@EnableMongoWebSession
+	static class CustomIndexResolverConfigurationWithDefaultMongoSessionConverter {
+
+		@Bean
+		ReactiveMongoOperations operations() {
+			return mock(ReactiveMongoOperations.class);
+		}
+
+		@Bean
+		@SuppressWarnings("unchecked")
+		IndexResolver<MongoSession> indexResolver() {
+			return mock(IndexResolver.class);
+		}
+
+	}
+
+	@EnableMongoWebSession
+	static class CustomIndexResolverConfigurationWithProvidedtMongoSessionConverter {
+
+		@Bean
+		ReactiveMongoOperations operations() {
+			return mock(ReactiveMongoOperations.class);
+		}
+
+		@Bean
+		JacksonMongoSessionConverter jacksonMongoSessionConverter() {
+			return new JacksonMongoSessionConverter();
+		}
+
+		@Bean
+		@SuppressWarnings("unchecked")
+		IndexResolver<MongoSession> indexResolver() {
+			return mock(IndexResolver.class);
+		}
+
+	}
+
+}

spring-session-data-mongodb/src/test/resources/logback.xml

@@ -0,0 +1,17 @@
+<configuration>
+	<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+		<encoder>
+			<pattern>%d{HH:mm:ss.SSS} [%8.-8thread] %-5level %logger{36} - %msg%n</pattern>
+		</encoder>
+	</appender>
+
+<!--	<logger name="org.springframework.web" level="TRACE" />-->
+<!--	<logger name="org.springframework.web.reactive" level="TRACE" />-->
+<!--	<logger name="org.springframework.security" level="TRACE" />-->
+<!--	<logger name="org.springframework.session" level="TRACE" />-->
+<!--	<logger name="org.springframework.data.mongodb" level="TRACE" />-->
+
+	<root level="WARN">
+		<appender-ref ref="STDOUT" />
+	</root>
+</configuration>

spring-session-data-redis/src/integration-test/java/org/springframework/session/data/redis/AbstractRedisITests.java

@@ -29,7 +29,7 @@ import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactor
  */
 public abstract class AbstractRedisITests {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.6";
+	private static final String DOCKER_IMAGE = "redis:5.0.10";
 
 	protected static class BaseConfig {
 

spring-session-data-redis/src/integration-test/java/org/springframework/session/data/redis/RedisIndexedSessionRepositoryITests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2019 the original author or authors.
+ * Copyright 2014-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -473,6 +473,60 @@ class RedisIndexedSessionRepositoryITests extends AbstractRedisITests {
 		assertThat(findByPrincipalName.keySet()).containsOnly(toSave.getId());
 	}
 
+	@Test // gh-1791
+	void changeSessionIdWhenSessionExpiresThenRemovesAllPrincipalIndexIds() {
+		RedisSession toSave = this.repository.createSession();
+		toSave.setAttribute(SPRING_SECURITY_CONTEXT, this.context);
+
+		this.repository.save(toSave);
+		String usernameSessionKey = "RedisIndexedSessionRepositoryITests:index:" + INDEX_NAME + ":" + getSecurityName();
+
+		RedisSession findById = this.repository.findById(toSave.getId());
+		String originalFindById = findById.getId();
+
+		assertThat(this.redis.boundSetOps(usernameSessionKey).members()).contains(originalFindById);
+
+		String changeSessionId = findById.changeSessionId();
+		findById.setAttribute(SPRING_SECURITY_CONTEXT, this.context);
+
+		this.repository.save(findById);
+
+		assertThat(this.redis.boundSetOps(usernameSessionKey).members()).contains(changeSessionId);
+
+		String body = "RedisIndexedSessionRepositoryITests:sessions:expires:" + changeSessionId;
+		String channel = "__keyevent@0__:expired";
+		DefaultMessage message = new DefaultMessage(channel.getBytes(StandardCharsets.UTF_8),
+				body.getBytes(StandardCharsets.UTF_8));
+		byte[] pattern = new byte[] {};
+		this.repository.onMessage(message, pattern);
+
+		assertThat(this.redis.boundSetOps(usernameSessionKey).members()).isEmpty();
+	}
+
+	@Test
+	void changeSessionIdWhenPrincipalNameChangesThenNewPrincipalMapsToNewSessionId() {
+		String principalName = "findByChangedPrincipalName" + UUID.randomUUID();
+		String principalNameChanged = "findByChangedPrincipalName" + UUID.randomUUID();
+		RedisSession toSave = this.repository.createSession();
+		toSave.setAttribute(INDEX_NAME, principalName);
+
+		this.repository.save(toSave);
+
+		RedisSession findById = this.repository.findById(toSave.getId());
+		String changeSessionId = findById.changeSessionId();
+		findById.setAttribute(INDEX_NAME, principalNameChanged);
+		this.repository.save(findById);
+
+		Map<String, RedisSession> findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME,
+				principalName);
+		assertThat(findByPrincipalName).isEmpty();
+
+		findByPrincipalName = this.repository.findByIndexNameAndIndexValue(INDEX_NAME, principalNameChanged);
+
+		assertThat(findByPrincipalName).hasSize(1);
+		assertThat(findByPrincipalName.keySet()).containsOnly(changeSessionId);
+	}
+
 	@Test
 	void changeSessionIdWhenOnlyChangeId() {
 		String attrName = "changeSessionId";

spring-session-data-redis/src/main/java/org/springframework/session/data/redis/ReactiveRedisSessionRepository.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2019 the original author or authors.
+ * Copyright 2014-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -37,6 +37,7 @@ import org.springframework.util.Assert;
  * {@link ReactiveRedisOperations}.
  *
  * @author Vedran Pavic
+ * @author Kai Zhao
  * @since 2.2.0
  */
 public class ReactiveRedisSessionRepository
@@ -274,8 +275,14 @@ public class ReactiveRedisSessionRepository
 			String sessionKey = getSessionKey(getId());
 			Mono<Boolean> update = ReactiveRedisSessionRepository.this.sessionRedisOperations.opsForHash()
 					.putAll(sessionKey, new HashMap<>(this.delta));
-			Mono<Boolean> setTtl = ReactiveRedisSessionRepository.this.sessionRedisOperations.expire(sessionKey,
-					getMaxInactiveInterval());
+			Mono<Boolean> setTtl;
+			if (getMaxInactiveInterval().getSeconds() >= 0) {
+				setTtl = ReactiveRedisSessionRepository.this.sessionRedisOperations.expire(sessionKey,
+						getMaxInactiveInterval());
+			}
+			else {
+				setTtl = ReactiveRedisSessionRepository.this.sessionRedisOperations.persist(sessionKey);
+			}
 
 			return update.and(setTtl).and((s) -> {
 				this.delta.clear();

spring-session-data-redis/src/main/java/org/springframework/session/data/redis/RedisIndexedSessionRepository.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2019 the original author or authors.
+ * Copyright 2014-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,6 +18,7 @@ package org.springframework.session.data.redis;
 
 import java.time.Duration;
 import java.time.Instant;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
@@ -36,6 +37,7 @@ import org.springframework.data.redis.core.BoundHashOperations;
 import org.springframework.data.redis.core.RedisOperations;
 import org.springframework.data.redis.serializer.JdkSerializationRedisSerializer;
 import org.springframework.data.redis.serializer.RedisSerializer;
+import org.springframework.data.redis.util.ByteUtils;
 import org.springframework.session.DelegatingIndexResolver;
 import org.springframework.session.FindByIndexNameSessionRepository;
 import org.springframework.session.FlushMode;
@@ -86,7 +88,7 @@ import org.springframework.util.Assert;
  * details.
  *
  * <pre>
- * HMSET spring:session:sessions:33fdd1b6-b496-4b33-9f7d-df96679d32fe creationTime 1404360000000 maxInactiveInterval 1800 lastAccessedTime 1404360000000 sessionAttr:attrName someAttrValue sessionAttr2:attrName someAttrValue2
+ * HMSET spring:session:sessions:33fdd1b6-b496-4b33-9f7d-df96679d32fe creationTime 1404360000000 maxInactiveInterval 1800 lastAccessedTime 1404360000000 sessionAttr:attrName someAttrValue sessionAttr:attrName2 someAttrValue2
  * EXPIRE spring:session:sessions:33fdd1b6-b496-4b33-9f7d-df96679d32fe 2100
  * APPEND spring:session:sessions:expires:33fdd1b6-b496-4b33-9f7d-df96679d32fe ""
  * EXPIRE spring:session:sessions:expires:33fdd1b6-b496-4b33-9f7d-df96679d32fe 1800
@@ -129,8 +131,8 @@ import org.springframework.util.Assert;
  * The {@link RedisIndexedSessionRepository.RedisSession} keeps track of the properties
  * that have changed and only updates those. This means if an attribute is written once
  * and read many times we only need to write that attribute once. For example, assume the
- * session attribute "sessionAttr2" from earlier was updated. The following would be
- * executed upon saving:
+ * session attribute "attrName2" from earlier was updated. The following would be executed
+ * upon saving:
  * </p>
  *
  * <pre>
@@ -142,7 +144,7 @@ import org.springframework.util.Assert;
  * <p>
  * When a session is created an event is sent to Redis with the channel of
  * "spring:session:channel:created:33fdd1b6-b496-4b33-9f7d-df96679d32fe" such that
- * "33fdd1b6-b496-4b33-9f7d-df96679d32fe" is the sesion id. The body of the event will be
+ * "33fdd1b6-b496-4b33-9f7d-df96679d32fe" is the session id. The body of the event will be
  * the session that was created.
  * </p>
  *
@@ -272,10 +274,20 @@ public class RedisIndexedSessionRepository
 
 	private String sessionCreatedChannelPrefix;
 
+	private byte[] sessionCreatedChannelPrefixBytes;
+
 	private String sessionDeletedChannel;
 
+	private byte[] sessionDeletedChannelBytes;
+
 	private String sessionExpiredChannel;
 
+	private byte[] sessionExpiredChannelBytes;
+
+	private String expiredKeyPrefix;
+
+	private byte[] expiredKeyPrefixBytes;
+
 	private final RedisOperations<Object, Object> sessionRedisOperations;
 
 	private final RedisSessionExpirationPolicy expirationPolicy;
@@ -381,8 +393,13 @@ public class RedisIndexedSessionRepository
 
 	private void configureSessionChannels() {
 		this.sessionCreatedChannelPrefix = this.namespace + "event:" + this.database + ":created:";
+		this.sessionCreatedChannelPrefixBytes = this.sessionCreatedChannelPrefix.getBytes();
 		this.sessionDeletedChannel = "__keyevent@" + this.database + "__:del";
+		this.sessionDeletedChannelBytes = this.sessionDeletedChannel.getBytes();
 		this.sessionExpiredChannel = "__keyevent@" + this.database + "__:expired";
+		this.sessionExpiredChannelBytes = this.sessionExpiredChannel.getBytes();
+		this.expiredKeyPrefix = this.namespace + "sessions:expires:";
+		this.expiredKeyPrefixBytes = this.expiredKeyPrefix.getBytes();
 	}
 
 	/**
@@ -501,25 +518,24 @@ public class RedisIndexedSessionRepository
 	@Override
 	public void onMessage(Message message, byte[] pattern) {
 		byte[] messageChannel = message.getChannel();
-		byte[] messageBody = message.getBody();
 
-		String channel = new String(messageChannel);
-
-		if (channel.startsWith(this.sessionCreatedChannelPrefix)) {
+		if (ByteUtils.startsWith(messageChannel, this.sessionCreatedChannelPrefixBytes)) {
 			// TODO: is this thread safe?
 			@SuppressWarnings("unchecked")
 			Map<Object, Object> loaded = (Map<Object, Object>) this.defaultSerializer.deserialize(message.getBody());
-			handleCreated(loaded, channel);
+			handleCreated(loaded, new String(messageChannel));
 			return;
 		}
 
-		String body = new String(messageBody);
-		if (!body.startsWith(getExpiredKeyPrefix())) {
+		byte[] messageBody = message.getBody();
+
+		if (!ByteUtils.startsWith(messageBody, this.expiredKeyPrefixBytes)) {
 			return;
 		}
 
-		boolean isDeleted = channel.equals(this.sessionDeletedChannel);
-		if (isDeleted || channel.equals(this.sessionExpiredChannel)) {
+		boolean isDeleted = Arrays.equals(messageChannel, this.sessionDeletedChannelBytes);
+		if (isDeleted || Arrays.equals(messageChannel, this.sessionExpiredChannelBytes)) {
+			String body = new String(messageBody);
 			int beginIndex = body.lastIndexOf(":") + 1;
 			int endIndex = body.length();
 			String sessionId = body.substring(beginIndex, endIndex);
@@ -611,7 +627,7 @@ public class RedisIndexedSessionRepository
 	}
 
 	private String getExpiredKeyPrefix() {
-		return this.namespace + "sessions:expires:";
+		return this.expiredKeyPrefix;
 	}
 
 	/**
@@ -842,6 +858,11 @@ public class RedisIndexedSessionRepository
 				catch (NonTransientDataAccessException ex) {
 					handleErrNoSuchKeyError(ex);
 				}
+				String originalPrincipalRedisKey = getPrincipalKey(this.originalPrincipalName);
+				RedisIndexedSessionRepository.this.sessionRedisOperations.boundSetOps(originalPrincipalRedisKey)
+						.remove(this.originalSessionId);
+				RedisIndexedSessionRepository.this.sessionRedisOperations.boundSetOps(originalPrincipalRedisKey)
+						.add(sessionId);
 			}
 			this.originalSessionId = sessionId;
 		}

spring-session-data-redis/src/main/java/org/springframework/session/data/redis/RedisSessionExpirationPolicy.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2019 the original author or authors.
+ * Copyright 2014-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -50,6 +50,8 @@ final class RedisSessionExpirationPolicy {
 
 	private static final Log logger = LogFactory.getLog(RedisSessionExpirationPolicy.class);
 
+	private static final String SESSION_EXPIRES_PREFIX = "expires:";
+
 	private final RedisOperations<Object, Object> redis;
 
 	private final Function<Long, String> lookupExpirationKey;
@@ -67,11 +69,12 @@ final class RedisSessionExpirationPolicy {
 	void onDelete(Session session) {
 		long toExpire = roundUpToNextMinute(expiresInMillis(session));
 		String expireKey = getExpirationKey(toExpire);
-		this.redis.boundSetOps(expireKey).remove(session.getId());
+		String entryToRemove = SESSION_EXPIRES_PREFIX + session.getId();
+		this.redis.boundSetOps(expireKey).remove(entryToRemove);
 	}
 
 	void onExpirationUpdated(Long originalExpirationTimeInMilli, Session session) {
-		String keyToExpire = "expires:" + session.getId();
+		String keyToExpire = SESSION_EXPIRES_PREFIX + session.getId();
 		long toExpire = roundUpToNextMinute(expiresInMillis(session));
 
 		if (originalExpirationTimeInMilli != null) {

spring-session-data-redis/src/main/java/org/springframework/session/data/redis/RedisSessionRepository.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2019 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -42,13 +42,13 @@ import org.springframework.util.Assert;
  */
 public class RedisSessionRepository implements SessionRepository<RedisSessionRepository.RedisSession> {
 
-	private static final String DEFAULT_KEY_NAMESPACE = "spring:session:";
+	private static final String DEFAULT_KEY_NAMESPACE = "spring:session";
 
 	private final RedisOperations<String, Object> sessionRedisOperations;
 
 	private Duration defaultMaxInactiveInterval = Duration.ofSeconds(MapSession.DEFAULT_MAX_INACTIVE_INTERVAL_SECONDS);
 
-	private String keyNamespace = DEFAULT_KEY_NAMESPACE;
+	private String keyNamespace = DEFAULT_KEY_NAMESPACE + ":";
 
 	private FlushMode flushMode = FlushMode.ON_SAVE;
 
@@ -76,12 +76,23 @@ public class RedisSessionRepository implements SessionRepository<RedisSessionRep
 	/**
 	 * Set the key namespace.
 	 * @param keyNamespace the key namespace
+	 * @deprecated since 2.4.0 in favor of {@link #setRedisKeyNamespace(String)}
 	 */
+	@Deprecated
 	public void setKeyNamespace(String keyNamespace) {
 		Assert.hasText(keyNamespace, "keyNamespace must not be empty");
 		this.keyNamespace = keyNamespace;
 	}
 
+	/**
+	 * Set the Redis key namespace.
+	 * @param namespace the Redis key namespace
+	 */
+	public void setRedisKeyNamespace(String namespace) {
+		Assert.hasText(namespace, "namespace must not be empty");
+		this.keyNamespace = namespace.trim() + ":";
+	}
+
 	/**
 	 * Set the flush mode.
 	 * @param flushMode the flush mode

spring-session-data-redis/src/main/java/org/springframework/session/data/redis/config/annotation/web/server/EnableRedisWebSession.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2019 the original author or authors.
+ * Copyright 2014-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -56,6 +56,7 @@ import org.springframework.web.server.session.WebSessionManager;
  * More advanced configurations can extend {@link RedisWebSessionConfiguration} instead.
  *
  * @author Vedran Pavic
+ * @author Kai Zhao
  * @since 2.0.0
  * @see EnableSpringWebSession
  */
@@ -68,7 +69,7 @@ public @interface EnableRedisWebSession {
 
 	/**
 	 * The session timeout in seconds. By default, it is set to 1800 seconds (30 minutes).
-	 * This should be a non-negative integer.
+	 * A negative number means permanently valid.
 	 * @return the seconds a session can be inactive before expiring
 	 */
 	int maxInactiveIntervalInSeconds() default MapSession.DEFAULT_MAX_INACTIVE_INTERVAL_SECONDS;

spring-session-data-redis/src/test/java/org/springframework/session/data/redis/ReactiveRedisSessionRepositoryTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2019 the original author or authors.
+ * Copyright 2014-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,12 +43,13 @@ import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.BDDMockito.given;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyZeroInteractions;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
 
 /**
  * Tests for {@link ReactiveRedisSessionRepository}.
  *
  * @author Vedran Pavic
+ * @author Kai Zhao
  */
 class ReactiveRedisSessionRepositoryTests {
 
@@ -137,8 +138,35 @@ class ReactiveRedisSessionRepositoryTests {
 		verify(this.redisOperations).opsForHash();
 		verify(this.hashOperations).putAll(anyString(), this.delta.capture());
 		verify(this.redisOperations).expire(anyString(), any());
-		verifyZeroInteractions(this.redisOperations);
-		verifyZeroInteractions(this.hashOperations);
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.hashOperations);
+
+		Map<String, Object> delta = this.delta.getAllValues().get(0);
+		assertThat(delta.size()).isEqualTo(3);
+		assertThat(delta.get(RedisSessionMapper.CREATION_TIME_KEY))
+				.isEqualTo(newSession.getCreationTime().toEpochMilli());
+		assertThat(delta.get(RedisSessionMapper.MAX_INACTIVE_INTERVAL_KEY))
+				.isEqualTo((int) newSession.getMaxInactiveInterval().getSeconds());
+		assertThat(delta.get(RedisSessionMapper.LAST_ACCESSED_TIME_KEY))
+				.isEqualTo(newSession.getLastAccessedTime().toEpochMilli());
+	}
+
+	@Test
+	void saveCustomNegativeMaxInactiveIntervalNewSession() {
+		given(this.redisOperations.opsForHash()).willReturn(this.hashOperations);
+		given(this.hashOperations.putAll(anyString(), any())).willReturn(Mono.just(true));
+		given(this.redisOperations.persist(anyString())).willReturn(Mono.just(true));
+
+		MapSession mapSession = new MapSession();
+		mapSession.setMaxInactiveInterval(Duration.ofSeconds(-1));
+		RedisSession newSession = this.repository.new RedisSession(mapSession, true);
+		StepVerifier.create(this.repository.save(newSession)).verifyComplete();
+
+		verify(this.redisOperations).opsForHash();
+		verify(this.hashOperations).putAll(anyString(), this.delta.capture());
+		verify(this.redisOperations).persist(anyString());
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.hashOperations);
 
 		Map<String, Object> delta = this.delta.getAllValues().get(0);
 		assertThat(delta.size()).isEqualTo(3);
@@ -160,8 +188,8 @@ class ReactiveRedisSessionRepositoryTests {
 		StepVerifier.create(this.repository.save(session)).verifyComplete();
 
 		verify(this.redisOperations).hasKey(anyString());
-		verifyZeroInteractions(this.redisOperations);
-		verifyZeroInteractions(this.hashOperations);
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.hashOperations);
 	}
 
 	@Test
@@ -179,8 +207,8 @@ class ReactiveRedisSessionRepositoryTests {
 		verify(this.redisOperations).opsForHash();
 		verify(this.hashOperations).putAll(anyString(), this.delta.capture());
 		verify(this.redisOperations).expire(anyString(), any());
-		verifyZeroInteractions(this.redisOperations);
-		verifyZeroInteractions(this.hashOperations);
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.hashOperations);
 
 		assertThat(this.delta.getAllValues().get(0)).isEqualTo(
 				map(RedisSessionMapper.LAST_ACCESSED_TIME_KEY, session.getLastAccessedTime().toEpochMilli()));
@@ -202,8 +230,8 @@ class ReactiveRedisSessionRepositoryTests {
 		verify(this.redisOperations).opsForHash();
 		verify(this.hashOperations).putAll(anyString(), this.delta.capture());
 		verify(this.redisOperations).expire(anyString(), any());
-		verifyZeroInteractions(this.redisOperations);
-		verifyZeroInteractions(this.hashOperations);
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.hashOperations);
 
 		assertThat(this.delta.getAllValues().get(0)).isEqualTo(
 				map(RedisIndexedSessionRepository.getSessionAttrNameKey(attrName), session.getAttribute(attrName)));
@@ -225,8 +253,8 @@ class ReactiveRedisSessionRepositoryTests {
 		verify(this.redisOperations).opsForHash();
 		verify(this.hashOperations).putAll(anyString(), this.delta.capture());
 		verify(this.redisOperations).expire(anyString(), any());
-		verifyZeroInteractions(this.redisOperations);
-		verifyZeroInteractions(this.hashOperations);
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.hashOperations);
 
 		assertThat(this.delta.getAllValues().get(0))
 				.isEqualTo(map(RedisIndexedSessionRepository.getSessionAttrNameKey(attrName), null));
@@ -252,8 +280,8 @@ class ReactiveRedisSessionRepositoryTests {
 		StepVerifier.create(this.repository.deleteById("test")).verifyComplete();
 
 		verify(this.redisOperations).delete(anyString());
-		verifyZeroInteractions(this.redisOperations);
-		verifyZeroInteractions(this.hashOperations);
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.hashOperations);
 	}
 
 	@Test
@@ -267,8 +295,8 @@ class ReactiveRedisSessionRepositoryTests {
 		verify(this.redisOperations).opsForHash();
 		verify(this.hashOperations).entries(anyString());
 		verify(this.redisOperations).delete(anyString());
-		verifyZeroInteractions(this.redisOperations);
-		verifyZeroInteractions(this.hashOperations);
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.hashOperations);
 	}
 
 	@Test
@@ -291,8 +319,8 @@ class ReactiveRedisSessionRepositoryTests {
 		StepVerifier.create(this.repository.findById("test")).consumeNextWith((session) -> {
 			verify(this.redisOperations).opsForHash();
 			verify(this.hashOperations).entries(anyString());
-			verifyZeroInteractions(this.redisOperations);
-			verifyZeroInteractions(this.hashOperations);
+			verifyNoMoreInteractions(this.redisOperations);
+			verifyNoMoreInteractions(this.hashOperations);
 
 			assertThat(session.getId()).isEqualTo(expected.getId());
 			assertThat(session.getAttributeNames()).isEqualTo(expected.getAttributeNames());
@@ -320,8 +348,8 @@ class ReactiveRedisSessionRepositoryTests {
 		verify(this.redisOperations).opsForHash();
 		verify(this.hashOperations).entries(anyString());
 		verify(this.redisOperations).delete(anyString());
-		verifyZeroInteractions(this.redisOperations);
-		verifyZeroInteractions(this.hashOperations);
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.hashOperations);
 	}
 
 	@Test // gh-1120
@@ -357,8 +385,8 @@ class ReactiveRedisSessionRepositoryTests {
 		verify(this.hashOperations).putAll(anyString(), this.delta.capture());
 		assertThat(this.delta.getValue()).hasSize(1);
 		verify(this.redisOperations).expire(anyString(), any());
-		verifyZeroInteractions(this.redisOperations);
-		verifyZeroInteractions(this.hashOperations);
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.hashOperations);
 	}
 
 	@Test
@@ -381,8 +409,8 @@ class ReactiveRedisSessionRepositoryTests {
 		verify(this.hashOperations).putAll(anyString(), this.delta.capture());
 		assertThat(this.delta.getValue()).hasSize(2);
 		verify(this.redisOperations).expire(anyString(), any());
-		verifyZeroInteractions(this.redisOperations);
-		verifyZeroInteractions(this.hashOperations);
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.hashOperations);
 	}
 
 	@Test
@@ -405,8 +433,8 @@ class ReactiveRedisSessionRepositoryTests {
 		verify(this.hashOperations).putAll(anyString(), this.delta.capture());
 		assertThat(this.delta.getValue()).hasSize(3);
 		verify(this.redisOperations).expire(anyString(), any());
-		verifyZeroInteractions(this.redisOperations);
-		verifyZeroInteractions(this.hashOperations);
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.hashOperations);
 	}
 
 	private Map<String, Object> map(Object... objects) {

spring-session-data-redis/src/test/java/org/springframework/session/data/redis/RedisIndexedSessionRepositoryTests.java

@@ -63,7 +63,7 @@ import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.reset;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyZeroInteractions;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
 
 class RedisIndexedSessionRepositoryTests {
 
@@ -188,7 +188,7 @@ class RedisIndexedSessionRepositoryTests {
 
 		this.redisRepository.save(session);
 
-		verifyZeroInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.redisOperations);
 	}
 
 	@Test
@@ -511,10 +511,10 @@ class RedisIndexedSessionRepositoryTests {
 		verify(this.boundHashOperations).entries();
 		verify(this.publisher).publishEvent(this.event.capture());
 		assertThat(this.event.getValue().getSessionId()).isEqualTo(deletedId);
-		verifyZeroInteractions(this.defaultSerializer);
-		verifyZeroInteractions(this.publisher);
-		verifyZeroInteractions(this.redisOperations);
-		verifyZeroInteractions(this.boundHashOperations);
+		verifyNoMoreInteractions(this.defaultSerializer);
+		verifyNoMoreInteractions(this.publisher);
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.boundHashOperations);
 	}
 
 	@Test
@@ -534,10 +534,10 @@ class RedisIndexedSessionRepositoryTests {
 
 		verify(this.redisOperations).boundHashOps(eq(getKey(deletedId)));
 		verify(this.boundHashOperations).entries();
-		verifyZeroInteractions(this.defaultSerializer);
-		verifyZeroInteractions(this.publisher);
-		verifyZeroInteractions(this.redisOperations);
-		verifyZeroInteractions(this.boundHashOperations);
+		verifyNoMoreInteractions(this.defaultSerializer);
+		verifyNoMoreInteractions(this.publisher);
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.boundHashOperations);
 	}
 
 	@Test
@@ -561,10 +561,10 @@ class RedisIndexedSessionRepositoryTests {
 		verify(this.boundHashOperations).entries();
 		verify(this.publisher).publishEvent(this.event.capture());
 		assertThat(this.event.getValue().getSessionId()).isEqualTo(expiredId);
-		verifyZeroInteractions(this.defaultSerializer);
-		verifyZeroInteractions(this.publisher);
-		verifyZeroInteractions(this.redisOperations);
-		verifyZeroInteractions(this.boundHashOperations);
+		verifyNoMoreInteractions(this.defaultSerializer);
+		verifyNoMoreInteractions(this.publisher);
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.boundHashOperations);
 	}
 
 	@Test
@@ -584,17 +584,17 @@ class RedisIndexedSessionRepositoryTests {
 
 		verify(this.redisOperations).boundHashOps(eq(getKey(expiredId)));
 		verify(this.boundHashOperations).entries();
-		verifyZeroInteractions(this.defaultSerializer);
-		verifyZeroInteractions(this.publisher);
-		verifyZeroInteractions(this.redisOperations);
-		verifyZeroInteractions(this.boundHashOperations);
+		verifyNoMoreInteractions(this.defaultSerializer);
+		verifyNoMoreInteractions(this.publisher);
+		verifyNoMoreInteractions(this.redisOperations);
+		verifyNoMoreInteractions(this.boundHashOperations);
 	}
 
 	@Test
 	void flushModeOnSaveCreate() {
 		this.redisRepository.createSession();
 
-		verifyZeroInteractions(this.boundHashOperations);
+		verifyNoMoreInteractions(this.boundHashOperations);
 	}
 
 	@Test
@@ -602,7 +602,7 @@ class RedisIndexedSessionRepositoryTests {
 		RedisSession session = this.redisRepository.createSession();
 		session.setAttribute("something", "here");
 
-		verifyZeroInteractions(this.boundHashOperations);
+		verifyNoMoreInteractions(this.boundHashOperations);
 	}
 
 	@Test
@@ -610,7 +610,7 @@ class RedisIndexedSessionRepositoryTests {
 		RedisSession session = this.redisRepository.createSession();
 		session.removeAttribute("remove");
 
-		verifyZeroInteractions(this.boundHashOperations);
+		verifyNoMoreInteractions(this.boundHashOperations);
 	}
 
 	@Test
@@ -618,7 +618,7 @@ class RedisIndexedSessionRepositoryTests {
 		RedisSession session = this.redisRepository.createSession();
 		session.setLastAccessedTime(Instant.ofEpochMilli(1L));
 
-		verifyZeroInteractions(this.boundHashOperations);
+		verifyNoMoreInteractions(this.boundHashOperations);
 	}
 
 	@Test
@@ -626,7 +626,7 @@ class RedisIndexedSessionRepositoryTests {
 		RedisSession session = this.redisRepository.createSession();
 		session.setMaxInactiveInterval(Duration.ofSeconds(1));
 
-		verifyZeroInteractions(this.boundHashOperations);
+		verifyNoMoreInteractions(this.boundHashOperations);
 	}
 
 	@Test
@@ -790,7 +790,7 @@ class RedisIndexedSessionRepositoryTests {
 		this.redisRepository.onMessage(message, "".getBytes(StandardCharsets.UTF_8));
 
 		assertThat(this.event.getAllValues()).isEmpty();
-		verifyZeroInteractions(this.publisher);
+		verifyNoMoreInteractions(this.publisher);
 	}
 
 	@Test
@@ -808,7 +808,7 @@ class RedisIndexedSessionRepositoryTests {
 		this.redisRepository.onMessage(message, "".getBytes(StandardCharsets.UTF_8));
 
 		assertThat(this.event.getAllValues()).isEmpty();
-		verifyZeroInteractions(this.publisher);
+		verifyNoMoreInteractions(this.publisher);
 	}
 
 	@Test
@@ -826,7 +826,7 @@ class RedisIndexedSessionRepositoryTests {
 		this.redisRepository.onMessage(message, "".getBytes(StandardCharsets.UTF_8));
 
 		assertThat(this.event.getAllValues()).isEmpty();
-		verifyZeroInteractions(this.publisher);
+		verifyNoMoreInteractions(this.publisher);
 	}
 
 	@Test

spring-session-data-redis/src/test/java/org/springframework/session/data/redis/RedisSessionExpirationPolicyTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2019 the original author or authors.
+ * Copyright 2014-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -164,4 +164,11 @@ class RedisSessionExpirationPolicyTests {
 		verify(this.hashOperations).persist();
 	}
 
+	@Test
+	void onDeleteRemoveExpirationEntry() {
+		this.policy.onDelete(this.session);
+
+		verify(this.setOperations).remove("expires:" + this.session.getId());
+	}
+
 }

spring-session-data-redis/src/test/java/org/springframework/session/data/redis/RedisSessionRepositoryTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2019 the original author or authors.
+ * Copyright 2014-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -102,18 +102,36 @@ class RedisSessionRepositoryTests {
 		assertThat(ReflectionTestUtils.getField(this.sessionRepository, "keyNamespace")).isEqualTo("test:");
 	}
 
+	@Test
+	void setRedisKeyNamespace_ValidNamespace_ShouldSetNamespace() {
+		this.sessionRepository.setRedisKeyNamespace("test");
+		assertThat(ReflectionTestUtils.getField(this.sessionRepository, "keyNamespace")).isEqualTo("test:");
+	}
+
 	@Test
 	void setKeyNamespace_NullNamespace_ShouldThrowException() {
 		assertThatIllegalArgumentException().isThrownBy(() -> this.sessionRepository.setKeyNamespace(null))
 				.withMessage("keyNamespace must not be empty");
 	}
 
+	@Test
+	void setRedisKeyNamespace_NullNamespace_ShouldThrowException() {
+		assertThatIllegalArgumentException().isThrownBy(() -> this.sessionRepository.setRedisKeyNamespace(null))
+				.withMessage("namespace must not be empty");
+	}
+
 	@Test
 	void setKeyNamespace_EmptyNamespace_ShouldThrowException() {
 		assertThatIllegalArgumentException().isThrownBy(() -> this.sessionRepository.setKeyNamespace(" "))
 				.withMessage("keyNamespace must not be empty");
 	}
 
+	@Test
+	void setRedisKeyNamespace_EmptyNamespace_ShouldThrowException() {
+		assertThatIllegalArgumentException().isThrownBy(() -> this.sessionRepository.setRedisKeyNamespace(" "))
+				.withMessage("namespace must not be empty");
+	}
+
 	@Test
 	void setFlushMode_ValidFlushMode_ShouldSetFlushMode() {
 		this.sessionRepository.setFlushMode(FlushMode.IMMEDIATE);
@@ -185,7 +203,7 @@ class RedisSessionRepositoryTests {
 
 	@Test
 	void save_NewSessionAndCustomKeyNamespace_ShouldSaveSession() {
-		this.sessionRepository.setKeyNamespace("custom:");
+		this.sessionRepository.setRedisKeyNamespace("custom");
 		RedisSession session = this.sessionRepository.createSession();
 		this.sessionRepository.save(session);
 		String key = "custom:sessions:" + session.getId();

spring-session-data-redis/src/test/java/org/springframework/session/data/redis/config/annotation/web/http/RedisHttpSessionConfigurationMockTests.java

@@ -30,7 +30,7 @@ import static org.mockito.BDDMockito.given;
 import static org.mockito.BDDMockito.willThrow;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyZeroInteractions;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
 
 class RedisHttpSessionConfigurationMockTests {
 
@@ -53,7 +53,7 @@ class RedisHttpSessionConfigurationMockTests {
 
 		init.afterPropertiesSet();
 
-		verifyZeroInteractions(this.factory);
+		verifyNoMoreInteractions(this.factory);
 	}
 
 	@Test

spring-session-docs/antora.yml

@@ -0,0 +1,9 @@
+name: session
+title: Spring Session
+version: ~
+display_version: 2.6
+start_page: ROOT:index.adoc
+
+
+nav:
+  - modules/ROOT/nav.adoc

spring-session-docs/modules/ROOT/examples/java/docs/FindByIndexNameSessionRepositoryTests.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2014-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package docs;
+
+import java.util.Map;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import org.springframework.session.FindByIndexNameSessionRepository;
+import org.springframework.session.Session;
+
+/**
+ * @author Rob Winch
+ *
+ */
+class FindByIndexNameSessionRepositoryTests {
+
+	@Mock
+	FindByIndexNameSessionRepository<Session> sessionRepository;
+
+	@Mock
+	Session session;
+
+	@BeforeEach
+	void setUp() {
+		MockitoAnnotations.initMocks(this);
+	}
+
+	@Test
+	void setUsername() {
+		// tag::set-username[]
+		String username = "username";
+		this.session.setAttribute(FindByIndexNameSessionRepository.PRINCIPAL_NAME_INDEX_NAME, username);
+		// end::set-username[]
+	}
+
+	@Test
+	@SuppressWarnings("unused")
+	void findByUsername() {
+		// tag::findby-username[]
+		String username = "username";
+		Map<String, Session> sessionIdToSession = this.sessionRepository.findByPrincipalName(username);
+		// end::findby-username[]
+	}
+
+}

spring-session-docs/modules/ROOT/examples/java/docs/HttpSessionConfigurationNoOpConfigureRedisActionXmlTests.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2014-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package docs;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.session.Session;
+import org.springframework.session.web.http.SessionRepositoryFilter;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.test.context.web.WebAppConfiguration;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.mock;
+
+/**
+ * @author Rob Winch
+ */
+@ExtendWith(SpringExtension.class)
+@ContextConfiguration
+@WebAppConfiguration
+public class HttpSessionConfigurationNoOpConfigureRedisActionXmlTests {
+
+	@Autowired
+	SessionRepositoryFilter<? extends Session> filter;
+
+	@Test
+	void redisConnectionFactoryNotUsedSinceNoValidation() {
+		assertThat(this.filter).isNotNull();
+	}
+
+	static RedisConnectionFactory connectionFactory() {
+		return mock(RedisConnectionFactory.class);
+	}
+
+}

spring-session-docs/modules/ROOT/examples/java/docs/IndexDocTests.java

@@ -0,0 +1,211 @@
+/*
+ * Copyright 2014-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package docs;
+
+import java.time.Duration;
+import java.util.concurrent.ConcurrentHashMap;
+
+import com.hazelcast.config.Config;
+import com.hazelcast.core.Hazelcast;
+import com.hazelcast.core.HazelcastInstance;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
+import org.springframework.data.redis.core.ReactiveRedisTemplate;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.serializer.JdkSerializationRedisSerializer;
+import org.springframework.data.redis.serializer.RedisSerializationContext;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.mock.web.MockServletContext;
+import org.springframework.session.MapSession;
+import org.springframework.session.MapSessionRepository;
+import org.springframework.session.ReactiveSessionRepository;
+import org.springframework.session.Session;
+import org.springframework.session.SessionRepository;
+import org.springframework.session.data.redis.ReactiveRedisSessionRepository;
+import org.springframework.session.data.redis.RedisIndexedSessionRepository;
+import org.springframework.session.hazelcast.HazelcastIndexedSessionRepository;
+import org.springframework.session.jdbc.JdbcIndexedSessionRepository;
+import org.springframework.session.web.http.SessionRepositoryFilter;
+import org.springframework.transaction.support.TransactionTemplate;
+import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Rob Winch
+ * @author Vedran Pavic
+ */
+class IndexDocTests {
+
+	private static final String ATTR_USER = "user";
+
+	@Test
+	void repositoryDemo() {
+		RepositoryDemo<MapSession> demo = new RepositoryDemo<>();
+		demo.repository = new MapSessionRepository(new ConcurrentHashMap<>());
+
+		demo.demo();
+	}
+
+	// tag::repository-demo[]
+	public class RepositoryDemo<S extends Session> {
+
+		private SessionRepository<S> repository; // <1>
+
+		public void demo() {
+			S toSave = this.repository.createSession(); // <2>
+
+			// <3>
+			User rwinch = new User("rwinch");
+			toSave.setAttribute(ATTR_USER, rwinch);
+
+			this.repository.save(toSave); // <4>
+
+			S session = this.repository.findById(toSave.getId()); // <5>
+
+			// <6>
+			User user = session.getAttribute(ATTR_USER);
+			assertThat(user).isEqualTo(rwinch);
+		}
+
+		// ... setter methods ...
+
+	}
+	// end::repository-demo[]
+
+	@Test
+	void expireRepositoryDemo() {
+		ExpiringRepositoryDemo<MapSession> demo = new ExpiringRepositoryDemo<>();
+		demo.repository = new MapSessionRepository(new ConcurrentHashMap<>());
+
+		demo.demo();
+	}
+
+	// tag::expire-repository-demo[]
+	public class ExpiringRepositoryDemo<S extends Session> {
+
+		private SessionRepository<S> repository; // <1>
+
+		public void demo() {
+			S toSave = this.repository.createSession(); // <2>
+			// ...
+			toSave.setMaxInactiveInterval(Duration.ofSeconds(30)); // <3>
+
+			this.repository.save(toSave); // <4>
+
+			S session = this.repository.findById(toSave.getId()); // <5>
+			// ...
+		}
+
+		// ... setter methods ...
+
+	}
+	// end::expire-repository-demo[]
+
+	@Test
+	@SuppressWarnings("unused")
+	void newRedisIndexedSessionRepository() {
+		// tag::new-redisindexedsessionrepository[]
+		RedisTemplate<Object, Object> redisTemplate = new RedisTemplate<>();
+
+		// ... configure redisTemplate ...
+
+		SessionRepository<? extends Session> repository = new RedisIndexedSessionRepository(redisTemplate);
+		// end::new-redisindexedsessionrepository[]
+	}
+
+	@Test
+	@SuppressWarnings("unused")
+	void newReactiveRedisSessionRepository() {
+		LettuceConnectionFactory connectionFactory = new LettuceConnectionFactory();
+		RedisSerializationContext<String, Object> serializationContext = RedisSerializationContext
+				.<String, Object>newSerializationContext(new JdkSerializationRedisSerializer()).build();
+
+		// tag::new-reactiveredissessionrepository[]
+		// ... create and configure connectionFactory and serializationContext ...
+
+		ReactiveRedisTemplate<String, Object> redisTemplate = new ReactiveRedisTemplate<>(connectionFactory,
+				serializationContext);
+
+		ReactiveSessionRepository<? extends Session> repository = new ReactiveRedisSessionRepository(redisTemplate);
+		// end::new-reactiveredissessionrepository[]
+	}
+
+	@Test
+	@SuppressWarnings("unused")
+	void mapRepository() {
+		// tag::new-mapsessionrepository[]
+		SessionRepository<? extends Session> repository = new MapSessionRepository(new ConcurrentHashMap<>());
+		// end::new-mapsessionrepository[]
+	}
+
+	@Test
+	@SuppressWarnings("unused")
+	void newJdbcIndexedSessionRepository() {
+		// tag::new-jdbcindexedsessionrepository[]
+		JdbcTemplate jdbcTemplate = new JdbcTemplate();
+
+		// ... configure jdbcTemplate ...
+
+		TransactionTemplate transactionTemplate = new TransactionTemplate();
+
+		// ... configure transactionTemplate ...
+
+		SessionRepository<? extends Session> repository = new JdbcIndexedSessionRepository(jdbcTemplate,
+				transactionTemplate);
+		// end::new-jdbcindexedsessionrepository[]
+	}
+
+	@Test
+	@SuppressWarnings("unused")
+	void newHazelcastIndexedSessionRepository() {
+		// tag::new-hazelcastindexedsessionrepository[]
+
+		Config config = new Config();
+
+		// ... configure Hazelcast ...
+
+		HazelcastInstance hazelcastInstance = Hazelcast.newHazelcastInstance(config);
+
+		HazelcastIndexedSessionRepository repository = new HazelcastIndexedSessionRepository(hazelcastInstance);
+		// end::new-hazelcastindexedsessionrepository[]
+	}
+
+	@Test
+	void runSpringHttpSessionConfig() {
+		AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
+		context.register(SpringHttpSessionConfig.class);
+		context.setServletContext(new MockServletContext());
+		context.refresh();
+
+		try {
+			context.getBean(SessionRepositoryFilter.class);
+		}
+		finally {
+			context.close();
+		}
+	}
+
+	private static final class User {
+
+		private User(String username) {
+		}
+
+	}
+
+}

spring-session-docs/modules/ROOT/examples/java/docs/RedisHttpSessionConfigurationNoOpConfigureRedisActionTests.java

@@ -14,41 +14,48 @@
  * limitations under the License.
  */
 
-package org.springframework.session.jdbc;
+package docs;
 
+import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
-import org.testcontainers.containers.MariaDBContainer;
 
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.session.data.redis.config.ConfigureRedisAction;
+import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit.jupiter.SpringExtension;
 import org.springframework.test.context.web.WebAppConfiguration;
 
+import static org.mockito.Mockito.mock;
+
 /**
- * Integration tests for {@link JdbcIndexedSessionRepository} using MariaDB 10.x database.
- *
- * @author Vedran Pavic
+ * @author Rob Winch
  */
 @ExtendWith(SpringExtension.class)
-@WebAppConfiguration
 @ContextConfiguration
-class MariaDb10JdbcIndexedSessionRepositoryITests extends AbstractContainerJdbcIndexedSessionRepositoryITests {
+@WebAppConfiguration
+class RedisHttpSessionConfigurationNoOpConfigureRedisActionTests {
 
+	@Test
+	void redisConnectionFactoryNotUsedSinceNoValidation() {
+	}
+
+	@EnableRedisHttpSession
 	@Configuration
-	static class Config extends BaseContainerConfig {
+	static class Config {
 
+		// tag::configure-redis-action[]
 		@Bean
-		MariaDBContainer databaseContainer() {
-			MariaDBContainer databaseContainer = DatabaseContainers.mariaDb10();
-			databaseContainer.start();
-			return databaseContainer;
+		ConfigureRedisAction configureRedisAction() {
+			return ConfigureRedisAction.NO_OP;
 		}
+		// end::configure-redis-action[]
 
 		@Bean
-		ResourceDatabasePopulator databasePopulator() {
-			return DatabasePopulators.mySql();
+		RedisConnectionFactory redisConnectionFactory() {
+			return mock(RedisConnectionFactory.class);
 		}
 
 	}

spring-session-docs/modules/ROOT/examples/java/docs/SpringHttpSessionConfig.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2014-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package docs;
+
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.session.MapSessionRepository;
+import org.springframework.session.config.annotation.web.http.EnableSpringHttpSession;
+
+// tag::class[]
+@EnableSpringHttpSession
+@Configuration
+public class SpringHttpSessionConfig {
+
+	@Bean
+	public MapSessionRepository sessionRepository() {
+		return new MapSessionRepository(new ConcurrentHashMap<>());
+	}
+
+}
+// end::class[]

spring-session-docs/modules/ROOT/examples/java/docs/SpringWebSessionConfig.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2014-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package docs;
+
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.session.ReactiveMapSessionRepository;
+import org.springframework.session.ReactiveSessionRepository;
+import org.springframework.session.config.annotation.web.server.EnableSpringWebSession;
+
+// tag::class[]
+@EnableSpringWebSession
+public class SpringWebSessionConfig {
+
+	@Bean
+	public ReactiveSessionRepository reactiveSessionRepository() {
+		return new ReactiveMapSessionRepository(new ConcurrentHashMap<>());
+	}
+
+}
+// end::class[]

spring-session-docs/modules/ROOT/examples/java/docs/http/AbstractHttpSessionListenerTests.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright 2014-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package docs.http;
+
+import java.util.Properties;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationEventPublisher;
+import org.springframework.context.ApplicationListener;
+import org.springframework.data.redis.connection.RedisConnection;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.security.core.session.SessionDestroyedEvent;
+import org.springframework.session.MapSession;
+import org.springframework.session.Session;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.test.context.web.WebAppConfiguration;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.mock;
+
+/**
+ * @author Rob Winch
+ * @author Mark Paluch
+ * @since 1.2
+ */
+@ExtendWith(SpringExtension.class)
+@WebAppConfiguration
+public abstract class AbstractHttpSessionListenerTests {
+
+	@Autowired
+	ApplicationEventPublisher publisher;
+
+	@Autowired
+	SecuritySessionDestroyedListener listener;
+
+	@Test
+	void springSessionDestroyedTranslatedToSpringSecurityDestroyed() {
+		Session session = new MapSession();
+
+		this.publisher.publishEvent(new org.springframework.session.events.SessionDestroyedEvent(this, session));
+
+		assertThat(this.listener.getEvent().getId()).isEqualTo(session.getId());
+	}
+
+	static RedisConnectionFactory createMockRedisConnection() {
+		RedisConnectionFactory factory = mock(RedisConnectionFactory.class);
+		RedisConnection connection = mock(RedisConnection.class);
+
+		given(factory.getConnection()).willReturn(connection);
+		given(connection.getConfig(anyString())).willReturn(new Properties());
+		return factory;
+	}
+
+	static class SecuritySessionDestroyedListener implements ApplicationListener<SessionDestroyedEvent> {
+
+		private SessionDestroyedEvent event;
+
+		/*
+		 * (non-Javadoc)
+		 *
+		 * @see org.springframework.context.ApplicationListener#onApplicationEvent(org.
+		 * springframework.context.ApplicationEvent)
+		 */
+		@Override
+		public void onApplicationEvent(SessionDestroyedEvent event) {
+			this.event = event;
+		}
+
+		SessionDestroyedEvent getEvent() {
+			return this.event;
+		}
+
+	}
+
+}

spring-session-docs/modules/ROOT/examples/java/docs/http/HazelcastHttpSessionConfig.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2014-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package docs.http;
+
+import com.hazelcast.config.Config;
+import com.hazelcast.config.MapAttributeConfig;
+import com.hazelcast.config.MapIndexConfig;
+import com.hazelcast.config.SerializerConfig;
+import com.hazelcast.core.Hazelcast;
+import com.hazelcast.core.HazelcastInstance;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.session.MapSession;
+import org.springframework.session.hazelcast.HazelcastIndexedSessionRepository;
+import org.springframework.session.hazelcast.HazelcastSessionSerializer;
+import org.springframework.session.hazelcast.PrincipalNameExtractor;
+import org.springframework.session.hazelcast.config.annotation.web.http.EnableHazelcastHttpSession;
+
+//tag::config[]
+@EnableHazelcastHttpSession // <1>
+@Configuration
+public class HazelcastHttpSessionConfig {
+
+	@Bean
+	public HazelcastInstance hazelcastInstance() {
+		Config config = new Config();
+		MapAttributeConfig attributeConfig = new MapAttributeConfig()
+				.setName(HazelcastIndexedSessionRepository.PRINCIPAL_NAME_ATTRIBUTE)
+				.setExtractor(PrincipalNameExtractor.class.getName());
+		config.getMapConfig(HazelcastIndexedSessionRepository.DEFAULT_SESSION_MAP_NAME) // <2>
+				.addMapAttributeConfig(attributeConfig).addMapIndexConfig(
+						new MapIndexConfig(HazelcastIndexedSessionRepository.PRINCIPAL_NAME_ATTRIBUTE, false));
+		SerializerConfig serializerConfig = new SerializerConfig();
+		serializerConfig.setImplementation(new HazelcastSessionSerializer()).setTypeClass(MapSession.class);
+		config.getSerializationConfig().addSerializerConfig(serializerConfig); // <3>
+		return Hazelcast.newHazelcastInstance(config); // <4>
+	}
+
+}
+// end::config[]

spring-session-docs/modules/ROOT/examples/java/docs/http/HttpSessionListenerJavaConfigTests.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2014-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package docs.http;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.test.context.ContextConfiguration;
+
+/**
+ * @author Rob Winch
+ *
+ */
+@ContextConfiguration(classes = { HttpSessionListenerJavaConfigTests.MockConfig.class, RedisHttpSessionConfig.class })
+class HttpSessionListenerJavaConfigTests extends AbstractHttpSessionListenerTests {
+
+	@Configuration
+	static class MockConfig {
+
+		@Bean
+		static RedisConnectionFactory redisConnectionFactory() {
+			return AbstractHttpSessionListenerTests.createMockRedisConnection();
+		}
+
+		@Bean
+		SecuritySessionDestroyedListener securitySessionDestroyedListener() {
+			return new SecuritySessionDestroyedListener();
+		}
+
+	}
+
+}

spring-session-docs/modules/ROOT/examples/java/docs/http/HttpSessionListenerXmlTests.java

@@ -14,8 +14,15 @@
  * limitations under the License.
  */
 
-package docs;
+package docs.http;
 
-public class Docs {
+import org.springframework.test.context.ContextConfiguration;
+
+/**
+ * @author Rob Winch
+ *
+ */
+@ContextConfiguration
+class HttpSessionListenerXmlTests extends AbstractHttpSessionListenerTests {
 
 }

spring-session-docs/modules/ROOT/examples/java/docs/http/RedisHttpSessionConfig.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2014-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package docs.http;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.web.session.HttpSessionEventPublisher;
+import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
+
+// tag::config[]
+@Configuration
+@EnableRedisHttpSession
+public class RedisHttpSessionConfig {
+
+	@Bean
+	public HttpSessionEventPublisher httpSessionEventPublisher() {
+		return new HttpSessionEventPublisher();
+	}
+
+	// ...
+
+}
+// end::config[]

spring-session-docs/modules/ROOT/examples/java/docs/security/RememberMeSecurityConfiguration.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright 2014-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package docs.security;
+
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.security.config.Customizer;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+import org.springframework.session.MapSessionRepository;
+import org.springframework.session.config.annotation.web.http.EnableSpringHttpSession;
+import org.springframework.session.security.web.authentication.SpringSessionRememberMeServices;
+
+/**
+ * @author rwinch
+ */
+@EnableWebSecurity
+@EnableSpringHttpSession
+public class RememberMeSecurityConfiguration extends WebSecurityConfigurerAdapter {
+
+	// @formatter:off
+	// tag::http-rememberme[]
+	@Override
+	protected void configure(HttpSecurity http) throws Exception {
+		http
+			// ... additional configuration ...
+			.rememberMe((rememberMe) -> rememberMe
+				.rememberMeServices(rememberMeServices())
+			);
+		// end::http-rememberme[]
+
+		http
+			.formLogin(Customizer.withDefaults())
+			.authorizeRequests((authorize) -> authorize
+				.anyRequest().authenticated()
+			);
+	}
+
+	// tag::rememberme-bean[]
+	@Bean
+	public SpringSessionRememberMeServices rememberMeServices() {
+		SpringSessionRememberMeServices rememberMeServices =
+				new SpringSessionRememberMeServices();
+		// optionally customize
+		rememberMeServices.setAlwaysRemember(true);
+		return rememberMeServices;
+	}
+	// end::rememberme-bean[]
+	// @formatter:on
+
+	@Override
+	@Bean
+	public InMemoryUserDetailsManager userDetailsService() {
+		return new InMemoryUserDetailsManager(
+				User.withUsername("user").password("{noop}password").roles("USER").build());
+	}
+
+	@Bean
+	MapSessionRepository sessionRepository() {
+		return new MapSessionRepository(new ConcurrentHashMap<>());
+	}
+
+}
+// end::class[]

spring-session-docs/modules/ROOT/examples/java/docs/security/RememberMeSecurityConfigurationTests.java

@@ -0,0 +1,92 @@
+/*
+ * Copyright 2014-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package docs.security;
+
+import java.time.Duration;
+import java.util.Base64;
+
+import javax.servlet.http.Cookie;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.session.Session;
+import org.springframework.session.SessionRepository;
+import org.springframework.session.web.http.SessionRepositoryFilter;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.MvcResult;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestBuilders.formLogin;
+import static org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers.springSecurity;
+
+/**
+ * @author rwinch
+ * @author Vedran Pavic
+ */
+@ExtendWith(SpringExtension.class)
+@ContextConfiguration(classes = RememberMeSecurityConfiguration.class)
+@WebAppConfiguration
+@SuppressWarnings("rawtypes")
+class RememberMeSecurityConfigurationTests<T extends Session> {
+
+	@Autowired
+	WebApplicationContext context;
+
+	@Autowired
+	SessionRepositoryFilter springSessionRepositoryFilter;
+
+	@Autowired
+	SessionRepository<T> sessions;
+
+	private MockMvc mockMvc;
+
+	@BeforeEach
+	void setup() {
+		// @formatter:off
+		this.mockMvc = MockMvcBuilders
+				.webAppContextSetup(this.context)
+				.addFilters(this.springSessionRepositoryFilter)
+				.apply(springSecurity())
+				.build();
+		// @formatter:on
+	}
+
+	@Test
+	void authenticateWhenSpringSessionRememberMeEnabledThenCookieMaxAgeAndSessionExpirationSet() throws Exception {
+		// @formatter:off
+		MvcResult result = this.mockMvc
+			.perform(formLogin())
+			.andReturn();
+		// @formatter:on
+
+		Cookie cookie = result.getResponse().getCookie("SESSION");
+		assertThat(cookie.getMaxAge()).isEqualTo(Integer.MAX_VALUE);
+		T session = this.sessions.findById(new String(Base64.getDecoder().decode(cookie.getValue())));
+		assertThat(session.getMaxInactiveInterval()).isEqualTo(Duration.ofDays(30));
+
+	}
+
+}
+// end::class[]

spring-session-docs/modules/ROOT/examples/java/docs/security/RememberMeSecurityConfigurationXmlTests.java

@@ -0,0 +1,92 @@
+/*
+ * Copyright 2014-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package docs.security;
+
+import java.time.Duration;
+import java.util.Base64;
+
+import javax.servlet.http.Cookie;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.session.Session;
+import org.springframework.session.SessionRepository;
+import org.springframework.session.web.http.SessionRepositoryFilter;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.MvcResult;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestBuilders.formLogin;
+import static org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers.springSecurity;
+
+/**
+ * @author rwinch
+ * @author Vedran Pavic
+ */
+@ExtendWith(SpringExtension.class)
+@ContextConfiguration
+@WebAppConfiguration
+@SuppressWarnings("rawtypes")
+class RememberMeSecurityConfigurationXmlTests<T extends Session> {
+
+	@Autowired
+	WebApplicationContext context;
+
+	@Autowired
+	SessionRepositoryFilter springSessionRepositoryFilter;
+
+	@Autowired
+	SessionRepository<T> sessions;
+
+	private MockMvc mockMvc;
+
+	@BeforeEach
+	void setup() {
+		// @formatter:off
+		this.mockMvc = MockMvcBuilders
+				.webAppContextSetup(this.context)
+				.addFilters(this.springSessionRepositoryFilter)
+				.apply(springSecurity())
+				.build();
+		// @formatter:on
+	}
+
+	@Test
+	void authenticateWhenSpringSessionRememberMeEnabledThenCookieMaxAgeAndSessionExpirationSet() throws Exception {
+		// @formatter:off
+		MvcResult result = this.mockMvc
+			.perform(formLogin())
+			.andReturn();
+		// @formatter:on
+
+		Cookie cookie = result.getResponse().getCookie("SESSION");
+		assertThat(cookie.getMaxAge()).isEqualTo(Integer.MAX_VALUE);
+		T session = this.sessions.findById(new String(Base64.getDecoder().decode(cookie.getValue())));
+		assertThat(session.getMaxInactiveInterval()).isEqualTo(Duration.ofDays(30));
+
+	}
+
+}
+// end::class[]

spring-session-docs/modules/ROOT/examples/java/docs/security/SecurityConfiguration.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2014-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package docs.security;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.session.FindByIndexNameSessionRepository;
+import org.springframework.session.Session;
+import org.springframework.session.security.SpringSessionBackedSessionRegistry;
+
+/**
+ * @author Joris Kuipers
+ */
+// tag::class[]
+@Configuration
+public class SecurityConfiguration<S extends Session> extends WebSecurityConfigurerAdapter {
+
+	@Autowired
+	private FindByIndexNameSessionRepository<S> sessionRepository;
+
+	@Override
+	protected void configure(HttpSecurity http) throws Exception {
+		// @formatter:off
+		http
+			// other config goes here...
+			.sessionManagement((sessionManagement) -> sessionManagement
+				.maximumSessions(2)
+				.sessionRegistry(sessionRegistry())
+			);
+		// @formatter:on
+	}
+
+	@Bean
+	public SpringSessionBackedSessionRegistry<S> sessionRegistry() {
+		return new SpringSessionBackedSessionRegistry<>(this.sessionRepository);
+	}
+
+}
+// end::class[]

spring-session-docs/modules/ROOT/examples/java/docs/websocket/WebSocketConfig.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2014-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package docs.websocket;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.messaging.simp.config.MessageBrokerRegistry;
+import org.springframework.scheduling.annotation.EnableScheduling;
+import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
+import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
+import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer;
+
+/**
+ * @author Rob Winch
+ */
+// tag::class[]
+@Configuration
+@EnableScheduling
+@EnableWebSocketMessageBroker
+public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {
+
+	@Override
+	public void registerStompEndpoints(StompEndpointRegistry registry) {
+		registry.addEndpoint("/messages").withSockJS();
+	}
+
+	@Override
+	public void configureMessageBroker(MessageBrokerRegistry registry) {
+		registry.enableSimpleBroker("/queue/", "/topic/");
+		registry.setApplicationDestinationPrefixes("/app");
+	}
+
+}
+// end::class[]