prgrms-web-devcourse-final-project · dooongdaeng · Oct 8, 2025 · Oct 8, 2025 · Oct 8, 2025
diff --git a/back/.env.default b/back/.env.default
@@ -1,3 +1,5 @@
 CUSTOM__JWT__SECRET_KEY=NEED_TO_SET
 DB_USERNAME=NEED_TO_SET
 DB_PASSWORD=NEED_TO_SET
+MAIL_USERNAME=NEED_TO_SET
+MAIL_PASSWORD=NEED_TO_SET
diff --git a/back/build.gradle.kts b/back/build.gradle.kts
@@ -39,6 +39,7 @@ dependencies {
 	implementation("org.springframework.boot:spring-boot-starter-security")
 	implementation("org.springframework.boot:spring-boot-starter-web")
 	implementation ("org.springframework.boot:spring-boot-starter-data-redis")
+	implementation("org.springframework.boot:spring-boot-starter-mail")
 
 	// QueryDSL
 	implementation("com.querydsl:querydsl-jpa:5.0.0:jakarta")

diff --git a/back/src/main/java/com/back/domain/member/member/email/EmailService.java b/back/src/main/java/com/back/domain/member/member/email/EmailService.java
@@ -0,0 +1,116 @@
+package com.back.domain.member.member.email;
+
+import com.back.global.exception.ServiceException;
+import jakarta.mail.MessagingException;
+import jakarta.mail.internet.MimeMessage;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.mail.javamail.JavaMailSender;
+import org.springframework.mail.javamail.MimeMessageHelper;
+import org.springframework.stereotype.Service;
+
+import java.io.UnsupportedEncodingException;
+
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class EmailService {
+    private final JavaMailSender mailSender;
+
+    /**
+     * 간단한 텍스트 이메일 발송
+     */
+    public void sendSimpleEmail(String to, String subject, String text) {
+        try {
+            MimeMessage message = mailSender.createMimeMessage();
+            MimeMessageHelper helper = new MimeMessageHelper(message, true, "UTF-8");
+
+            helper.setFrom("[email protected]", "JobMate");
+            helper.setTo(to);
+            helper.setSubject(subject);
+            helper.setText(text, false); // false = plain text
+
+            mailSender.send(message);
+            log.info("텍스트 이메일 발송 성공: {}", to);
+        } catch (MessagingException | UnsupportedEncodingException e) {
+            log.error("텍스트 이메일 발송 실패: {}", to, e);
+            throw new ServiceException("500-1", "텍스트 이메일 발송에 실패했습니다.");
+        }
+    }
+
+    /**
+     * HTML 이메일 발송
+     */
+    public void sendHtmlEmail(String to, String subject, String htmlContent) {
+        try {
+            MimeMessage message = mailSender.createMimeMessage();
+            MimeMessageHelper helper = new MimeMessageHelper(message, true, "UTF-8");
+
+            helper.setFrom("[email protected]", "JobMate");
+            helper.setTo(to);
+            helper.setSubject(subject);
+            helper.setText(htmlContent, true); // true = HTML
+
+            mailSender.send(message);
+            log.info("HTML 이메일 발송 성공: {}", to);
+        } catch (MessagingException | UnsupportedEncodingException e) {
+            log.error("HTML 이메일 발송 실패: {}", to, e);
+            throw new ServiceException("500-2", "HTML 이메일 발송에 실패했습니다.");
+        }
+    }
+
+    /**
+     * 인증번호 이메일 발송 (멘토 회원가입용)
+     */
+    public void sendVerificationCode(String to, String verificationCode) {
+        String subject = "[FiveLogic] 멘토 회원가입 인증번호";
+        String htmlContent = buildVerificationEmailHtml(verificationCode);
+        sendHtmlEmail(to, subject, htmlContent);
+    }
+
+    /**
+     * 인증번호 이메일 HTML 템플릿
+     */
+    private String buildVerificationEmailHtml(String verificationCode) {
+        return """
+                <!DOCTYPE html>
+                <html>
+                <head>
+                    <meta charset="UTF-8">
+                    <style>
+                        body { font-family: Arial, sans-serif; line-height: 1.6; color: #333; }
+                        .container { max-width: 600px; margin: 0 auto; padding: 20px; }
+                        .header { background-color: #4CAF50; color: white; padding: 20px; text-align: center; }
+                        .content { padding: 30px; background-color: #f9f9f9; }
+                        .code-box { background-color: #fff; border: 2px solid #4CAF50; padding: 20px; text-align: center; margin: 20px 0; }
+                        .code { font-size: 32px; font-weight: bold; color: #4CAF50; letter-spacing: 5px; }
+                        .footer { text-align: center; padding: 20px; color: #666; font-size: 12px; }
+                    </style>
+                </head>
+                <body>
+                    <div class="container">
+                        <div class="header">
+                            <h1>JobMate 멘토 회원가입</h1>
+                        </div>
+                        <div class="content">
+                            <h2>인증번호 확인</h2>
+                            <p>안녕하세요. FiveLogic입니다.</p>
+                            <p>멘토 회원가입을 위한 인증번호를 안내드립니다.</p>
+                            <p>아래 인증번호를 입력하여 회원가입을 완료해주세요.</p>
+
+                            <div class="code-box">
+                                <div class="code">%s</div>
+                            </div>
+
+                            <p><strong>※ 인증번호는 5분간 유효합니다.</strong></p>
+                            <p>본인이 요청하지 않은 경우, 이 메일을 무시하셔도 됩니다.</p>
+                        </div>
+                        <div class="footer">
+                            <p>© 2025 FiveLogic. All rights reserved.</p>
+                        </div>
+                    </div>
+                </body>
+                </html>
+                """.formatted(verificationCode);
+    }
+}
diff --git a/back/src/main/java/com/back/domain/member/member/verification/EmailVerificationService.java b/back/src/main/java/com/back/domain/member/member/verification/EmailVerificationService.java
@@ -1,5 +1,6 @@
 package com.back.domain.member.member.verification;
 
+import com.back.domain.member.member.email.EmailService;
 import com.back.global.exception.ServiceException;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -14,6 +15,7 @@
 @Slf4j
 public class EmailVerificationService {
     private final VerificationCodeStore codeStore;
+    private final EmailService emailService;
     private static final Duration CODE_TTL = Duration.ofMinutes(5);
     private static final SecureRandom random = new SecureRandom();
 
@@ -24,8 +26,9 @@ public String generateAndSendCode(String email) {
         // 저장
         codeStore.saveCode(email, code, CODE_TTL);
 
-        // TODO: 실제 이메일 발송 로직 추가 (JavaMailSender)
-        log.info("Generated verification code for {}: {}", email, code);
+        // 이메일 발송
+        emailService.sendVerificationCode(email, code);
+        log.info("Generated and sent verification code for {}: {}", email, code);
 
         return code; // 테스트용으로 반환 (실제로는 이메일로만 전송)
     }

diff --git a/back/src/main/resources/application.yml b/back/src/main/resources/application.yml
@@ -42,6 +42,21 @@ spring:
         use_sql_comments: true
         default_batch_fetch_size: 100
     open-in-view: false
+  mail:
+    host: smtp.gmail.com
+    port: 587
+    username: ${MAIL_USERNAME}
+    password: ${MAIL_PASSWORD}
+    properties:
+      mail:
+        smtp:
+          auth: true
+          starttls:
+            enable: true
+            required: true
+          connectiontimeout: 5000
+          timeout: 5000
+          writetimeout: 5000
 
 springdoc: #Swagger ??
   default-produces-media-type: application/json;charset=UTF-8