76 lines
3.0 KiB
PHP
Executable File
76 lines
3.0 KiB
PHP
Executable File
<?php
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// Start a session to store state and tokens.
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session_start();
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// 1. SETUP: Install the Google API Client Library
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// Run this command in your project directory: composer require google/apiclient:^2.0
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require_once __DIR__ . '/vendor/autoload.php';
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// 2. CONFIGURATION: Replace with your credentials from Google Cloud Console
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$clientID = '1086900987150-j8brn0i5s97315kh1ej9jr72grkfqgh5.apps.googleusercontent.com'; // Replace with your Client ID
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$clientSecret = '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'; // Replace with your Client Secret
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// This must be the exact URL of this script.
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$redirectUri = 'https://api.tripz-egypt.com/tripz/auth/syria/auth_proxy.php'; // Replace with your script's URL
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// 3. APP CONFIGURATION: Your Flutter app's custom URI scheme
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// This is how the browser will redirect back to your app.
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$appRedirectScheme = 'intaleqapp://auth'; // e.g., myapp://auth
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// Create a new Google Client object
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$client = new Google_Client();
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$client->setClientId($clientID);
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$client->setClientSecret($clientSecret);
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$client->setRedirectUri($redirectUri);
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$client->addScope("email");
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$client->addScope("profile");
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// 4. LOGIC: Handle the authentication flow
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if (isset($_GET['code'])) {
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// A. User has been redirected back from Google with an authorization code.
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try {
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// Exchange the authorization code for an access token.
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$token = $client->fetchAccessTokenWithAuthCode($_GET['code']);
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if (isset($token['error'])) {
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// Handle error from Google
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throw new Exception('Error fetching access token: ' . $token['error_description']);
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}
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$client->setAccessToken($token['access_token']);
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// Get user profile information from Google.
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$google_oauth = new Google_Service_Oauth2($client);
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$google_account_info = $google_oauth->userinfo->get();
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$id = $google_account_info->id;
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$email = $google_account_info->email;
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$name = $google_account_info->name;
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$picture = $google_account_info->picture;
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// B. Redirect back to the Flutter app with the user data in the URL.
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// We use urlencode to ensure data is passed correctly.
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$redirectUrl = $appRedirectScheme .
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'?status=success' .
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'&id=' . urlencode($id) .
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'&email=' . urlencode($email) .
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'&name=' . urlencode($name) .
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'&picture=' . urlencode($picture);
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header('Location: ' . $redirectUrl);
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exit();
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} catch (Exception $e) {
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// C. Handle any errors and redirect back to the app with an error status.
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$error_message = urlencode($e->getMessage());
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header('Location: ' . $appRedirectScheme . '?status=error&message=' . $error_message);
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exit();
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}
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} else {
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// D. This is the initial request from the Flutter app.
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// Redirect the user to Google's OAuth 2.0 server for authentication.
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$authUrl = $client->createAuthUrl();
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header('Location: ' . $authUrl);
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exit();
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}
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?>
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