From baf06303cae255a2ebf1e66cdb73e9fa457ca385 Mon Sep 17 00:00:00 2001
From: Ismail Akintunde <homohaykins619@gmail.com>
Date: Wed, 14 Aug 2024 16:50:45 +0100
Subject: [PATCH] feat: added google auth support for mobile devices

---
 src/modules/auth/auth.controller.ts | 19 ++++++++++++++++---
 src/modules/auth/auth.service.ts    | 12 ++++++++++--
 2 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/src/modules/auth/auth.controller.ts b/src/modules/auth/auth.controller.ts
index e564f4276..06f60a2f1 100644
--- a/src/modules/auth/auth.controller.ts
+++ b/src/modules/auth/auth.controller.ts
@@ -8,7 +8,20 @@ import {
   ApiUnauthorizedResponse,
 } from '@nestjs/swagger';
 import * as SYS_MSG from '../../helpers/SystemMessages';
-import { Body, Controller, HttpCode, HttpStatus, Post, Req, Request, Res, UseGuards, Get, Patch } from '@nestjs/common';
+import {
+  Body,
+  Controller,
+  HttpCode,
+  HttpStatus,
+  Post,
+  Req,
+  Request,
+  Res,
+  UseGuards,
+  Get,
+  Patch,
+  Query,
+} from '@nestjs/common';
 import { CreateUserDTO } from './dto/create-user.dto';
 import { skipAuth } from '../../helpers/skipAuth';
 import AuthenticationService from './auth.service';
@@ -106,8 +119,8 @@ export default class RegistrationController {
   @ApiResponse({ status: 200, description: 'Verify Payload sent from google', type: AuthResponseDto })
   @ApiBadRequestResponse({ description: 'Invalid Google token' })
   @HttpCode(200)
-  async googleAuth(@Body() body: GoogleAuthPayload) {
-    return this.authService.googleAuth(body);
+  async googleAuth(@Body() body: GoogleAuthPayload, @Query('mobile') isMobile: string) {
+    return this.authService.googleAuth({ googleAuthPayload: body, isMobile });
   }
 
   @skipAuth()
diff --git a/src/modules/auth/auth.service.ts b/src/modules/auth/auth.service.ts
index 172b483c3..63e474ce3 100644
--- a/src/modules/auth/auth.service.ts
+++ b/src/modules/auth/auth.service.ts
@@ -283,9 +283,17 @@ export default class AuthenticationService {
     };
   }
 
-  async googleAuth(googleAuthPayload: GoogleAuthPayload) {
+  async googleAuth({ googleAuthPayload, isMobile }: { googleAuthPayload: GoogleAuthPayload; isMobile: string }) {
     const idToken = googleAuthPayload.id_token;
-    const verifyTokenResponse: GoogleVerificationPayloadInterface = await this.googleAuthService.verifyToken(idToken);
+    let verifyTokenResponse: GoogleVerificationPayloadInterface;
+
+    if (isMobile === 'true') {
+      const request = await fetch(`https://www.googleapis.com/oauth2/v3/tokeninfo?id_token=${idToken}`);
+      verifyTokenResponse = await request.json();
+    } else {
+      verifyTokenResponse = await this.googleAuthService.verifyToken(idToken);
+    }
+
     const userEmail = verifyTokenResponse.email;
     const userExists = await this.userService.getUserRecord({ identifier: userEmail, identifierType: 'email' });