verfication email & new auth domain

bizmatch-server/src/mail/mail.service.ts

@@ -1,5 +1,6 @@
 import { MailerService } from '@nestjs-modules/mailer';
 import { BadRequestException, Injectable } from '@nestjs/common';
+import { getAuth } from 'firebase-admin/auth';
 import { join } from 'path';
 import { ZodError } from 'zod';
 import { SenderSchema, ShareByEMail, ShareByEMailSchema, User } from '../models/db.model';
@@ -52,6 +53,65 @@ export class MailService {
       },
     });
   }
+  async sendVerificationEmail(
+    email: string, 
+    redirectConfig: { protocol: string, hostname: string, port?: number }
+  ): Promise<void | ErrorResponse> {
+    try {
+      // Firebase Auth-Instanz holen
+      const auth = getAuth();
+      
+      // Baue den Redirect-URL aus den übergebenen Parametern
+      let continueUrl = `${redirectConfig.protocol}://${redirectConfig.hostname}`;
+      if (redirectConfig.port) {
+        continueUrl += `:${redirectConfig.port}`;
+      }
+      continueUrl += '/auth/verify-email-success'; // Beispiel für einen Weiterleitungspfad
+      
+      // Custom Verification Link generieren
+      const firebaseActionLink = await auth.generateEmailVerificationLink(email, {
+        url: continueUrl,
+        handleCodeInApp: false,
+      });
+
+      // Extrahiere den oobCode aus dem Firebase Link
+      const actionLinkUrl = new URL(firebaseActionLink);
+      const oobCode = actionLinkUrl.searchParams.get('oobCode');
+      
+      if (!oobCode) {
+        throw new BadRequestException('Failed to generate verification code');
+      }
+      
+      // Erstelle die benutzerdefinierte URL mit dem oobCode
+      let customActionLink = `${redirectConfig.protocol}://${redirectConfig.hostname}`;
+      if (redirectConfig.port) {
+        customActionLink += `:${redirectConfig.port}`;
+      }
+    
+      // Ersetze die Platzhalter mit den tatsächlichen Werten
+      customActionLink += `/email-authorized?email=${encodeURIComponent(email)}&mode=verifyEmail&oobCode=${oobCode}`;
+      
+      // Zufallszahl für die E-Mail generieren
+      const randomNumber = Math.floor(Math.random() * 10000);
+  
+      // E-Mail senden
+      await this.mailerService.sendMail({
+        to: email,
+        from: '"Bizmatch Team" <info@bizmatch.net>',
+        subject: 'Verify your email address',
+        template: join(__dirname, '../..', 'mail/templates/email-verification.hbs'),
+        context: {
+          actionLink: customActionLink,
+          randomNumber: randomNumber
+        },
+      });
+  
+      return;
+    } catch (error) {
+      console.error('Error sending verification email:', error);
+      throw new BadRequestException('Failed to send verification email');
+    }
+  }
   async sendRequest(mailInfo: MailInfo): Promise<void | ErrorResponse> {
     try {
       SenderSchema.parse(mailInfo.sender);