rest controller practice : send mail

rest-controller-practice/.gitignore

@@ -4,6 +4,7 @@ build/
 !gradle/wrapper/gradle-wrapper.jar
 !**/src/main/**/build/
 !**/src/test/**/build/
+src/main/resources/application.yml
 
 ### STS ###
 .apt_generated

rest-controller-practice/build.gradle

@@ -27,6 +27,7 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
     implementation 'org.springframework.boot:spring-boot-starter-security'
     implementation 'org.springframework.boot:spring-boot-starter-web'
+    implementation 'org.springframework.boot:spring-boot-starter-mail'
 
     implementation("org.springframework.boot:spring-boot-starter-validation")
 

rest-controller-practice/src/main/java/com/example/restcontroller/common/MailComponent.java

@@ -0,0 +1,46 @@
+package com.example.restcontroller.common;
+
+import com.example.restcontroller.common.exception.BizException;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.mail.javamail.JavaMailSender;
+import org.springframework.mail.javamail.MimeMessageHelper;
+import org.springframework.mail.javamail.MimeMessagePreparator;
+import org.springframework.stereotype.Component;
+
+import javax.mail.internet.InternetAddress;
+
+@Slf4j
+@RequiredArgsConstructor
+@Component
+public class MailComponent {
+
+    private final JavaMailSender javaMailSender;
+
+    public boolean send(String fromEmail, String fromName, String toEmail, String toName, String title, String contents) {
+        MimeMessagePreparator mimeMessagePreparator = mimeMessage -> {
+            MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
+
+            InternetAddress from = new InternetAddress();
+            from.setAddress(fromEmail);
+            from.setPersonal(fromName);
+
+            InternetAddress to = new InternetAddress();
+            to.setAddress(toEmail);
+            to.setPersonal(toName);
+
+            mimeMessageHelper.setFrom(from);
+            mimeMessageHelper.setTo(to);
+            mimeMessageHelper.setSubject(title);
+            mimeMessageHelper.setText(contents, true);
+        };
+        try {
+            javaMailSender.send(mimeMessagePreparator);
+        } catch (Exception e) {
+            log.info(e.getMessage());
+            throw new BizException("이메일 전송 실패");
+        }
+
+        return true;
+    }
+}

rest-controller-practice/src/main/java/com/example/restcontroller/config/WebMvcConfiguration.java

@@ -10,6 +10,8 @@ public class WebMvcConfiguration implements WebMvcConfigurer {
 
     @Override
     public void addInterceptors(InterceptorRegistry registry) {
-        registry.addInterceptor(new CommonInterceptor());
+        registry.addInterceptor(new CommonInterceptor())
+                .addPathPatterns("/api/*")
+                .excludePathPatterns("/api/public/*");
     }
 }

rest-controller-practice/src/main/java/com/example/restcontroller/user/controller/ApiUserController.java

@@ -23,6 +23,7 @@ import com.example.restcontroller.user.exception.UserNotFoundException;
 import com.example.restcontroller.user.model.*;
 import com.example.restcontroller.user.repository.UserRepository;
 import com.example.restcontroller.user.service.UserPointService;
+import com.example.restcontroller.user.service.UserService;
 import com.example.restcontroller.util.JWTUtils;
 import com.example.restcontroller.util.PasswordUtils;
 import lombok.RequiredArgsConstructor;
@@ -51,6 +52,7 @@ public class ApiUserController {
 
     private final BoardService boardService;
     private final UserPointService userPointService;
+    private final UserService userService;
 
     @PostMapping("/api/user")
     public ResponseEntity<?> chapter2_1(@RequestBody @Valid UserInput userInput, BindingResult bindingResult) {
@@ -403,4 +405,11 @@ public class ApiUserController {
 
         return ResponseResult.result(result);
     }
+
+    @PostMapping("/api/public/user")
+    public ResponseEntity<?> chapter5_2(@RequestBody UserInput userInput) {
+
+        ServiceResult result = userService.addUser(userInput);
+        return ResponseResult.result(result);
+    }
 }

rest-controller-practice/src/main/java/com/example/restcontroller/user/service/UserService.java

@@ -23,4 +23,6 @@ public interface UserService {
     ServiceResult deleteInterestUser(Long id, String email);
 
     User login(UserLogin userLogin);
+
+    ServiceResult addUser(UserInput userInput);
 }

rest-controller-practice/src/main/java/com/example/restcontroller/user/service/UserServiceImpl.java

@@ -2,8 +2,8 @@ package com.example.restcontroller.user.service;
 
 
 import com.example.restcontroller.board.model.ServiceResult;
+import com.example.restcontroller.common.MailComponent;
 import com.example.restcontroller.common.exception.BizException;
-import com.example.restcontroller.logs.service.LogService;
 import com.example.restcontroller.user.entity.User;
 import com.example.restcontroller.user.entity.UserInterest;
 import com.example.restcontroller.user.entity.UserStatus;
@@ -32,6 +32,8 @@ public class UserServiceImpl implements UserService {
     private final UserCustomRepository userCustomRepository;
     private final UserInterestRepository userInterestRepository;
 
+    private final MailComponent mailComponent;
+
     @Override
     public UserSummary getUserStatusCount() {
         Long usingUserCount = userRepository.countByStatus(UserStatus.USING);
@@ -144,4 +146,38 @@ public class UserServiceImpl implements UserService {
 
         return userEntity;
     }
+
+    @Transactional
+    @Override
+    public ServiceResult addUser(UserInput userInput) {
+        Optional<User> optionalUserEntity = userRepository.findByEmail(userInput.getEmail());
+        if (optionalUserEntity.isPresent()) {
+            throw new BizException("이미 가입된 이메일 입니다");
+        }
+
+        String encryptPassword = PasswordUtils.encryptedPassword(userInput.getPassword());
+
+        User user = User.builder()
+                .email(userInput.getEmail())
+                .userName(userInput.getUserName())
+                .regDate(LocalDateTime.now())
+                .password(encryptPassword)
+                .phone(userInput.getPhone())
+                .status(UserStatus.USING)
+                .build();
+
+        userRepository.save(user);
+
+        // 이메일 전송
+        String fromEmail = "test.email.12588";
+        String fromName = "관리자";
+        String toEmail = userInput.getEmail();
+        String toName = userInput.getUserName();
+        String title = "회원가입을 축하드립니다.";
+        String contents = "회원가입을 축하드립니다.";
+
+        mailComponent.send(fromEmail, fromName, toEmail, toName, title, contents);
+
+        return ServiceResult.success();
+    }
 }

rest-controller-practice/src/main/java/com/example/restcontroller/util/PasswordUtils.java

@@ -6,6 +6,10 @@ import org.springframework.security.crypto.bcrypt.BCrypt;
 @UtilityClass
 public class PasswordUtils {
 
+    public static String encryptedPassword(String password) {
+        return BCrypt.hashpw(password, BCrypt.gensalt());
+    }
+
     public static boolean equalPassword(String password, String encryptedPassword) {
         return BCrypt.checkpw(password, encryptedPassword);
     }

rest-controller-practice/src/main/resources/application.yml

@@ -33,6 +33,18 @@ spring:
   mustache:
     suffix: .html
 
+  mail:
+    username: test.email.12588
+    password: jqvozceuwvacbxwa
+    host: smtp.gmail.com
+    port: 587
+    properties:
+      mail:
+        smtp:
+          auth: true
+          starttls:
+            enable: true
+
 logging:
   level:
     org.hibernate.SQL: trace