diff --git a/blog/chatting/server/build.gradle b/blog/chatting/server/build.gradle new file mode 100644 index 00000000..0dccf962 --- /dev/null +++ b/blog/chatting/server/build.gradle @@ -0,0 +1,33 @@ +plugins { + id 'org.springframework.boot' version '2.6.7' + id 'io.spring.dependency-management' version '1.0.11.RELEASE' + id 'java' +} + +group = 'com.example' +version = '0.0.1-SNAPSHOT' +sourceCompatibility = '11' + +configurations { + compileOnly { + extendsFrom annotationProcessor + } +} + +repositories { + mavenCentral() +} + +dependencies { + implementation 'org.springframework.boot:spring-boot-starter-web' + implementation 'org.springframework.boot:spring-boot-starter-websocket' + implementation 'org.springframework.boot:spring-boot-starter-data-redis' + + compileOnly 'org.projectlombok:lombok' + annotationProcessor 'org.projectlombok:lombok' + testImplementation 'org.springframework.boot:spring-boot-starter-test' +} + +tasks.named('test') { + useJUnitPlatform() +} diff --git a/blog/chatting/server/gradle/wrapper/gradle-wrapper.jar b/blog/chatting/server/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 00000000..41d9927a Binary files /dev/null and b/blog/chatting/server/gradle/wrapper/gradle-wrapper.jar differ diff --git a/blog/chatting/server/gradle/wrapper/gradle-wrapper.properties b/blog/chatting/server/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 00000000..00e33ede --- /dev/null +++ b/blog/chatting/server/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.1-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/blog/chatting/server/gradlew b/blog/chatting/server/gradlew new file mode 100755 index 00000000..1b6c7873 --- /dev/null +++ b/blog/chatting/server/gradlew @@ -0,0 +1,234 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original 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. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit + +APP_NAME="Gradle" +APP_BASE_NAME=${0##*/} + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +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 "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + +# Collect all arguments for the java command; +# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of +# shell script including quotes and variable substitutions, so put them in +# double quotes to make sure that they get re-expanded; and +# * put everything else in single quotes, so that it's not re-expanded. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/blog/chatting/server/gradlew.bat b/blog/chatting/server/gradlew.bat new file mode 100644 index 00000000..ac1b06f9 --- /dev/null +++ b/blog/chatting/server/gradlew.bat @@ -0,0 +1,89 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +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" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +: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 %* + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/blog/chatting/server/settings.gradle b/blog/chatting/server/settings.gradle new file mode 100644 index 00000000..724c43fe --- /dev/null +++ b/blog/chatting/server/settings.gradle @@ -0,0 +1 @@ +rootProject.name = 'chatting' diff --git a/blog/chatting/server/src/main/java/com/example/chatting/ChattingApplication.java b/blog/chatting/server/src/main/java/com/example/chatting/ChattingApplication.java new file mode 100644 index 00000000..e2bb7fef --- /dev/null +++ b/blog/chatting/server/src/main/java/com/example/chatting/ChattingApplication.java @@ -0,0 +1,13 @@ +package com.example.chatting; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class ChattingApplication { + + public static void main(String[] args) { + SpringApplication.run(ChattingApplication.class, args); + } + +} diff --git a/blog/chatting/server/src/main/java/com/example/chatting/config/RedisConfig.java b/blog/chatting/server/src/main/java/com/example/chatting/config/RedisConfig.java new file mode 100644 index 00000000..5eb42c18 --- /dev/null +++ b/blog/chatting/server/src/main/java/com/example/chatting/config/RedisConfig.java @@ -0,0 +1,58 @@ +package com.example.chatting.config; + +import com.example.chatting.redis.RedisSubscriber; +import lombok.extern.slf4j.Slf4j; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.data.redis.connection.RedisConnectionFactory; +import org.springframework.data.redis.connection.RedisStandaloneConfiguration; +import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory; +import org.springframework.data.redis.core.RedisTemplate; +import org.springframework.data.redis.listener.ChannelTopic; +import org.springframework.data.redis.listener.RedisMessageListenerContainer; +import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer; +import org.springframework.data.redis.serializer.StringRedisSerializer; + +@Slf4j +@Configuration +public class RedisConfig { + + @Value("${spring.redis.host}") + private String host; + + @Value("${spring.redis.port}") + private int port; + + @Value("${spring.redis.password}") + private String password; + + @Bean + public RedisConnectionFactory redisConnectionFactory() { + RedisStandaloneConfiguration configuration = new RedisStandaloneConfiguration(); + configuration.setHostName(host); + configuration.setPort(port); + configuration.setPassword(password); + + log.info("Redis Start : {}:{}", host, port); + return new LettuceConnectionFactory(configuration); + } + + @Bean + public RedisTemplate redisTemplate(RedisConnectionFactory connectionFactory) { + RedisTemplate redisTemplate = new RedisTemplate<>(); + redisTemplate.setConnectionFactory(connectionFactory); + redisTemplate.setKeySerializer(new StringRedisSerializer()); + redisTemplate.setValueSerializer(new Jackson2JsonRedisSerializer<>(String.class)); + return redisTemplate; + } + + @Bean + public RedisMessageListenerContainer redisMessageListenerContainer(RedisConnectionFactory connectionFactory, + RedisSubscriber redisSubscriber) { + RedisMessageListenerContainer container = new RedisMessageListenerContainer(); + container.setConnectionFactory(connectionFactory); + container.addMessageListener(redisSubscriber, new ChannelTopic("message")); + return container; + } +} diff --git a/blog/chatting/server/src/main/java/com/example/chatting/config/WebSocketConfig.java b/blog/chatting/server/src/main/java/com/example/chatting/config/WebSocketConfig.java new file mode 100644 index 00000000..cad54d0c --- /dev/null +++ b/blog/chatting/server/src/main/java/com/example/chatting/config/WebSocketConfig.java @@ -0,0 +1,25 @@ +package com.example.chatting.config; + +import org.springframework.context.annotation.Configuration; +import org.springframework.messaging.simp.config.MessageBrokerRegistry; +import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker; +import org.springframework.web.socket.config.annotation.StompEndpointRegistry; +import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer; + +@Configuration +@EnableWebSocketMessageBroker +public class WebSocketConfig implements WebSocketMessageBrokerConfigurer { + + @Override + public void registerStompEndpoints(StompEndpointRegistry registry) { + registry.addEndpoint("/ws-stomp") + .setAllowedOriginPatterns("*") + .withSockJS(); + } + + @Override + public void configureMessageBroker(MessageBrokerRegistry registry) { + registry.setApplicationDestinationPrefixes("/pub"); + registry.enableSimpleBroker("/sub"); + } +} diff --git a/blog/chatting/server/src/main/java/com/example/chatting/controller/MessageController.java b/blog/chatting/server/src/main/java/com/example/chatting/controller/MessageController.java new file mode 100644 index 00000000..d6f5c53a --- /dev/null +++ b/blog/chatting/server/src/main/java/com/example/chatting/controller/MessageController.java @@ -0,0 +1,18 @@ +package com.example.chatting.controller; + +import com.example.chatting.redis.RedisPublisher; +import lombok.RequiredArgsConstructor; +import org.springframework.messaging.handler.annotation.MessageMapping; +import org.springframework.stereotype.Controller; + +@Controller +@RequiredArgsConstructor +public class MessageController { + + private final RedisPublisher redisPublisher; + + @MessageMapping("/message") + public void message(String message) { + redisPublisher.publish("message", message); + } +} diff --git a/blog/chatting/server/src/main/java/com/example/chatting/filter/CorsFilter.java b/blog/chatting/server/src/main/java/com/example/chatting/filter/CorsFilter.java new file mode 100644 index 00000000..5b7c1495 --- /dev/null +++ b/blog/chatting/server/src/main/java/com/example/chatting/filter/CorsFilter.java @@ -0,0 +1,49 @@ +package com.example.chatting.filter; + +import lombok.extern.slf4j.Slf4j; +import org.springframework.core.Ordered; +import org.springframework.core.annotation.Order; +import org.springframework.stereotype.Component; + +import javax.servlet.*; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import java.io.IOException; + +@Component +@Slf4j +@Order(Ordered.HIGHEST_PRECEDENCE) +public class CorsFilter implements Filter { + + private final String[] allowOriginDomains = { + "http://localhost:5500", + "http://127.0.0.1:5500" + }; + + @Override + public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException { + HttpServletRequest request = (HttpServletRequest) req; + HttpServletResponse response = (HttpServletResponse) res; + response.setHeader("Access-Control-Allow-Origin", null); + String clientOrigin = request.getHeader("origin") == null ? "" : request.getHeader("origin"); + for (String domain: allowOriginDomains) { + if (clientOrigin.equals(domain)) { + response.setHeader("Access-Control-Allow-Origin", clientOrigin); + break; + } + } + response.setHeader("Access-Control-Allow-Credentials", "true"); + response.setHeader("Access-Control-Allow-Methods","GET,HEAD,OPTIONS,POST,PUT,PATCH"); + response.setHeader("Access-Control-Max-Age", "3600"); + response.setHeader("Access-Control-Allow-Headers", + "Origin, X-Requested-With, Content-Type, Accept, Authorization"); + + if("OPTIONS".equalsIgnoreCase(request.getMethod())) { + response.setStatus(HttpServletResponse.SC_OK); + }else { + chain.doFilter(req, res); + } + } +} + + diff --git a/blog/chatting/server/src/main/java/com/example/chatting/redis/RedisPublisher.java b/blog/chatting/server/src/main/java/com/example/chatting/redis/RedisPublisher.java new file mode 100644 index 00000000..04e29405 --- /dev/null +++ b/blog/chatting/server/src/main/java/com/example/chatting/redis/RedisPublisher.java @@ -0,0 +1,16 @@ +package com.example.chatting.redis; + +import lombok.RequiredArgsConstructor; +import org.springframework.data.redis.core.RedisTemplate; +import org.springframework.stereotype.Service; + +@Service +@RequiredArgsConstructor +public class RedisPublisher { + + private final RedisTemplate redisTemplate; + + public void publish(String topic, String message) { + redisTemplate.convertAndSend(topic, message); + } +} diff --git a/blog/chatting/server/src/main/java/com/example/chatting/redis/RedisSubscriber.java b/blog/chatting/server/src/main/java/com/example/chatting/redis/RedisSubscriber.java new file mode 100644 index 00000000..4f9ec449 --- /dev/null +++ b/blog/chatting/server/src/main/java/com/example/chatting/redis/RedisSubscriber.java @@ -0,0 +1,30 @@ +package com.example.chatting.redis; + +import com.fasterxml.jackson.databind.ObjectMapper; +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.springframework.data.redis.connection.Message; +import org.springframework.data.redis.connection.MessageListener; +import org.springframework.data.redis.core.RedisTemplate; +import org.springframework.messaging.simp.SimpMessageSendingOperations; +import org.springframework.stereotype.Service; + +@Slf4j +@RequiredArgsConstructor +@Service +public class RedisSubscriber implements MessageListener { + + private final ObjectMapper objectMapper; + private final RedisTemplate redisTemplate; + private final SimpMessageSendingOperations messagingTemplate; + + @Override + public void onMessage(Message message, byte[] pattern) { + try { + String pubMessage = redisTemplate.getStringSerializer().deserialize(message.getBody()); + messagingTemplate.convertAndSend("/sub/message", pubMessage == null ? "" : pubMessage); + } catch (Exception e) { + log.error("Subscriber Error", e); + } + } +} diff --git a/blog/chatting/server/src/main/resources/application.yml b/blog/chatting/server/src/main/resources/application.yml new file mode 100644 index 00000000..e48383d4 --- /dev/null +++ b/blog/chatting/server/src/main/resources/application.yml @@ -0,0 +1,5 @@ +spring: + redis: + host: localhost + port: 6379 + password: 1234 \ No newline at end of file diff --git a/blog/chatting/server/src/test/java/com/example/chatting/ChattingApplicationTests.java b/blog/chatting/server/src/test/java/com/example/chatting/ChattingApplicationTests.java new file mode 100644 index 00000000..b5baee49 --- /dev/null +++ b/blog/chatting/server/src/test/java/com/example/chatting/ChattingApplicationTests.java @@ -0,0 +1,13 @@ +package com.example.chatting; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class ChattingApplicationTests { + + @Test + void contextLoads() { + } + +}