2ND

utils.py

@@ -165,33 +165,125 @@ from email.mime.text import MIMEText
 from email.header import Header
 from flask import current_app
 
+def process_recipients(recipients_str):
+    """
+    處理收件者字串，支援個人郵件和群組展開
+    輸入格式: "email1,email2,group:GroupName"
+    返回: 展開後的郵件地址列表
+    """
+    print(f"[RECIPIENTS DEBUG] 開始處理收件者: {recipients_str}")
+    
+    if not recipients_str:
+        print(f"[RECIPIENTS DEBUG] 收件者字串為空")
+        return []
+        
+    recipients = [item.strip() for item in recipients_str.split(',') if item.strip()]
+    final_emails = []
+    
+    for recipient in recipients:
+        print(f"[RECIPIENTS DEBUG] 處理收件者項目: {recipient}")
+        
+        if recipient.startswith('group:'):
+            # 這是一個群組，需要展開
+            group_name = recipient[6:]  # 移除 'group:' 前綴
+            print(f"[RECIPIENTS DEBUG] 發現群組: {group_name}")
+            
+            try:
+                from ldap_utils import get_ldap_group_members
+                group_emails = get_ldap_group_members(group_name)
+                print(f"[RECIPIENTS DEBUG] 群組 {group_name} 包含 {len(group_emails)} 個成員")
+                
+                for email in group_emails:
+                    if email and email not in final_emails:
+                        final_emails.append(email)
+                        print(f"[RECIPIENTS DEBUG] 添加群組成員郵件: {email}")
+                        
+            except Exception as e:
+                print(f"[RECIPIENTS ERROR] 群組 {group_name} 展開失敗: {e}")
+                
+        else:
+            # 這是個人郵件地址
+            if recipient and recipient not in final_emails:
+                final_emails.append(recipient)
+                print(f"[RECIPIENTS DEBUG] 添加個人郵件: {recipient}")
+    
+    print(f"[RECIPIENTS DEBUG] 最終收件者列表 ({len(final_emails)} 個): {final_emails}")
+    return final_emails
+
 def send_email(to_addrs, subject, body):
     """
     Sends an email using the SMTP settings from the config.
+    Enhanced with detailed debugging information.
     """
+    print(f"[EMAIL DEBUG] 開始發送郵件...")
+    print(f"[EMAIL DEBUG] 收件者數量: {len(to_addrs)}")
+    print(f"[EMAIL DEBUG] 收件者: {to_addrs}")
+    print(f"[EMAIL DEBUG] 主旨: {subject}")
+    
     try:
+        # 取得 SMTP 設定
         smtp_server = current_app.config['SMTP_SERVER']
         smtp_port = current_app.config['SMTP_PORT']
         use_tls = current_app.config['SMTP_USE_TLS']
         sender_email = current_app.config['SMTP_SENDER_EMAIL']
         sender_password = current_app.config['SMTP_SENDER_PASSWORD']
+        
+        print(f"[EMAIL DEBUG] SMTP 設定:")
+        print(f"[EMAIL DEBUG]   - 伺服器: {smtp_server}:{smtp_port}")
+        print(f"[EMAIL DEBUG]   - 使用 TLS: {use_tls}")
+        print(f"[EMAIL DEBUG]   - 寄件者: {sender_email}")
+        print(f"[EMAIL DEBUG]   - 有密碼: {'是' if sender_password else '否'}")
 
+        # 建立郵件內容
+        print(f"[EMAIL DEBUG] 建立郵件內容...")
         msg = MIMEText(body, 'html', 'utf-8')
         msg['Subject'] = Header(subject, 'utf-8')
         msg['From'] = sender_email
         msg['To'] = ', '.join(to_addrs)
+        print(f"[EMAIL DEBUG] 郵件內容建立完成")
 
+        # 連接 SMTP 伺服器
+        print(f"[EMAIL DEBUG] 連接 SMTP 伺服器 {smtp_server}:{smtp_port}...")
         server = smtplib.SMTP(smtp_server, smtp_port)
+        print(f"[EMAIL DEBUG] SMTP 伺服器連接成功")
+        
         if use_tls:
+            print(f"[EMAIL DEBUG] 啟用 TLS...")
             server.starttls()
+            print(f"[EMAIL DEBUG] TLS 啟用成功")
         
         if sender_password:
+            print(f"[EMAIL DEBUG] 登入 SMTP 伺服器...")
             server.login(sender_email, sender_password)
+            print(f"[EMAIL DEBUG] SMTP 登入成功")
+        else:
+            print(f"[EMAIL DEBUG] 無需密碼認證")
+        
+        # 發送郵件
+        print(f"[EMAIL DEBUG] 發送郵件...")
+        result = server.sendmail(sender_email, to_addrs, msg.as_string())
+        print(f"[EMAIL DEBUG] 郵件發送結果: {result}")
         
-        server.sendmail(sender_email, to_addrs, msg.as_string())
         server.quit()
-        print(f"Email sent to {', '.join(to_addrs)}")
+        print(f"[EMAIL DEBUG] SMTP 連接已關閉")
+        print(f"[EMAIL SUCCESS] 郵件成功發送至: {', '.join(to_addrs)}")
         return True
-    except Exception as e:
-        print(f"Failed to send email: {e}")
+        
+    except smtplib.SMTPAuthenticationError as e:
+        print(f"[EMAIL ERROR] SMTP 認證失敗: {e}")
+        print(f"[EMAIL ERROR] 請檢查寄件者帳號和密碼設定")
+        return False
+    except smtplib.SMTPConnectError as e:
+        print(f"[EMAIL ERROR] SMTP 連接失敗: {e}")
+        print(f"[EMAIL ERROR] 請檢查 SMTP 伺服器設定")
+        return False
+    except smtplib.SMTPRecipientsRefused as e:
+        print(f"[EMAIL ERROR] 收件者被拒絕: {e}")
+        print(f"[EMAIL ERROR] 請檢查收件者郵件地址")
+        return False
+    except Exception as e:
+        print(f"[EMAIL ERROR] 郵件發送失敗: {type(e).__name__}: {e}")
+        import traceback
+        print(f"[EMAIL ERROR] 詳細錯誤:")
+        traceback.print_exc()
         return False