🔀 Email Send

build.gradle

@@ -59,9 +59,11 @@ dependencies {
     // Security
     implementation 'org.springframework.boot:spring-boot-starter-security'
     testImplementation 'org.springframework.security:spring-security-test'
+    implementation 'org.springframework.boot:spring-boot-starter-mail'
     implementation 'io.jsonwebtoken:jjwt-api:0.12.3'
     implementation 'io.jsonwebtoken:jjwt-impl:0.12.3'
     implementation 'io.jsonwebtoken:jjwt-jackson:0.12.3'
+
 }
 
 test {

src/main/java/com/mycom/socket/auth/controller/AuthController.java

@@ -4,20 +4,20 @@
 import com.mycom.socket.auth.dto.request.RegisterRequestDto;
 import com.mycom.socket.auth.dto.response.LoginResponseDto;
 import com.mycom.socket.auth.service.AuthService;
+import com.mycom.socket.auth.service.MailService;
 import jakarta.servlet.http.HttpServletResponse;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 @RestController
 @RequestMapping("/api/auth")
 @RequiredArgsConstructor
 public class AuthController {
 
     private final AuthService authService;
+    private final MailService mailService;
+    private int number;
 
     @PostMapping("/login")
     public LoginResponseDto login(@Valid @RequestBody LoginRequestDto request,
@@ -34,4 +34,20 @@ public void logout(HttpServletResponse response) {
     public Long register(@Valid @RequestBody RegisterRequestDto request) {
         return authService.register(request);
     }
+
+    @PostMapping("/mail-send")
+    public Integer mailSend(@RequestParam(name = "mail") String mail) {
+        try {
+            number = mailService.sendMail(mail);
+            return number;
+        } catch (Exception e) {
+            throw new RuntimeException("Failed to send mail: " + e.getMessage());
+        }
+    }
+
+    @GetMapping("/mail-check")
+    public Boolean mailCheck(@RequestParam(name = "userNumber") String userNumber) {
+        return userNumber.equals(String.valueOf(number));
+    }
+
 }

src/main/java/com/mycom/socket/auth/service/AuthService.java

@@ -49,10 +49,6 @@ public LoginResponseDto login(LoginRequestDto request, HttpServletResponse respo
         );
     }
 
-    // 이메일 인증 코드 전송
-
-    // 이메일 인증 코드 만료
-
     @Transactional
     public Long register(RegisterRequestDto request) {
         // 이메일 중복 검사

src/main/java/com/mycom/socket/auth/service/MailService.java

@@ -0,0 +1,49 @@
+package com.mycom.socket.auth.service;
+
+import jakarta.mail.MessagingException;
+import jakarta.mail.internet.MimeMessage;
+import lombok.RequiredArgsConstructor;
+import org.springframework.mail.javamail.JavaMailSender;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class MailService {
+
+    private final JavaMailSender javaMailSender;
+    private static final String senderEmail= "oyuchan50@gmail.com";
+    private static int number;
+
+    // 랜덤으로 숫자 생성
+    public static void createNumber() {
+        number = (int)(Math.random() * (90000)) + 100000; //(int) Math.random() * (최댓값-최소값+1) + 최소값
+    }
+
+    public MimeMessage CreateMail(String mail) {
+        createNumber();
+        MimeMessage message = javaMailSender.createMimeMessage();
+
+        try {
+            message.setFrom(senderEmail);
+            message.setRecipients(MimeMessage.RecipientType.TO, mail);
+            message.setSubject("이메일 인증");
+            String body = "";
+            body += "<h3>" + "요청하신 인증 번호입니다." + "</h3>";
+            body += "<h1>" + number + "</h1>";
+            body += "<h3>" + "감사합니다." + "</h3>";
+            message.setText(body,"UTF-8", "html");
+        } catch (MessagingException e) {
+            e.printStackTrace();
+        }
+
+        return message;
+    }
+
+    public int sendMail(String mail) {
+        MimeMessage message = CreateMail(mail);
+        javaMailSender.send(message);
+
+        return number;
+    }
+}
+