Google Auth - Authenticate with backend server (API) (#1405)

* Google OAuth - Authentication with a backend server

app/Http/Controllers/AccountApiController.php

@@ -6,6 +6,7 @@ use App\Events\UserSignedUp;
 use App\Http\Requests\RegisterRequest;
 use App\Http\Requests\UpdateAccountRequest;
 use App\Models\Account;
+use App\Ninja\OAuth\OAuth;
 use App\Ninja\Repositories\AccountRepository;
 use App\Ninja\Transformers\AccountTransformer;
 use App\Ninja\Transformers\UserAccountTransformer;
@@ -188,25 +189,15 @@ class AccountApiController extends BaseAPIController
         $token = $request->input('token');
         $provider = $request->input('provider');
 
-        try {
+        $oAuth = new OAuth();
-            $user = Socialite::driver($provider)->stateless()->userFromToken($token);
+        $user = $oAuth->getProvider($provider)->getTokenResponse($token);
-        } catch (Exception $exception) {
-            return $this->errorResponse(['message' => $exception->getMessage()], 401);
-        }
 
-        if ($user) {
+        if($user) {
-            $providerId = AuthService::getProviderId($provider);
-            $user = $this->accountRepo->findUserByOauth($providerId, $user->id);
-        }
-
-        if ($user) {
             Auth::login($user);
-
             return $this->processLogin($request);
-        } else {
-            sleep(ERROR_DELAY);
-
-            return $this->errorResponse(['message' => 'Invalid credentials'], 401);
         }
+        else
+            return $this->errorResponse(['message' => 'Invalid credentials'], 401);
+
     }
 }

app/Ninja/OAuth/OAuth.php

@@ -0,0 +1,44 @@
+<?php namespace App\Ninja\OAuth;
+
+use App\Models\User;
+
+class OAuth {
+
+    private $providerInstance;
+
+    public function __construct()
+    {
+    }
+
+    public function getProvider($provider)
+    {
+        switch ($provider)
+        {
+            case 'google';
+                $this->providerInstance = new Providers\Google();
+                return $this;
+
+            default:
+                return null;
+                break;
+        }
+    }
+
+    public function getTokenResponse($token)
+    {
+        $email = null;
+        $user = null;
+
+        if($this->providerInstance)
+            $user = User::where('email', $this->providerInstance->getTokenResponse($token))->first();
+
+        if ($user)
+            return $user;
+        else
+            return false;
+
+    }
+
+
+}
+?>

app/Ninja/OAuth/Providers/Google.php

@@ -0,0 +1,23 @@
+<?php namespace App\Ninja\OAuth\Providers;
+
+class Google implements ProviderInterface
+{
+
+    public function getTokenResponse($token)
+    {
+
+        $client = new \Google_Client(['client_id' => env('GOOGLE_CLIENT_ID','')]);
+        $payload = $client->verifyIdToken($token);
+        if ($payload)
+            return $this->harvestEmail($payload);
+        else
+            return null;
+    }
+
+    public function harvestEmail($payload)
+    {
+        return $payload['email'];
+    }
+
+
+}

app/Ninja/OAuth/Providers/ProviderInterface.php

@@ -0,0 +1,9 @@
+<?php namespace App\Ninja\OAuth\Providers;
+
+interface ProviderInterface
+{
+    public function getTokenResponse($token);
+
+    public function harvestEmail($response);
+
+}

composer.json

@@ -83,7 +83,8 @@
         "nwidart/laravel-modules": "^1.14",
         "jonnyw/php-phantomjs": "4.*",
         "collizo4sky/omnipay-wepay": "^1.3",
-        "barryvdh/laravel-cors": "^0.9.1"
+        "barryvdh/laravel-cors": "^0.9.1",
+        "google/apiclient":"^2.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~4.0",