Initial commit

vendor/google/apiclient/src/Google/AuthHandler/Guzzle5AuthHandler.php

@@ -0,0 +1,99 @@
+<?php
+
+use Google\Auth\CredentialsLoader;
+use Google\Auth\HttpHandler\HttpHandlerFactory;
+use Google\Auth\FetchAuthTokenCache;
+use Google\Auth\Subscriber\AuthTokenSubscriber;
+use Google\Auth\Subscriber\ScopedAccessTokenSubscriber;
+use Google\Auth\Subscriber\SimpleSubscriber;
+use GuzzleHttp\Client;
+use GuzzleHttp\ClientInterface;
+use Psr\Cache\CacheItemPoolInterface;
+
+/**
+*
+*/
+class Google_AuthHandler_Guzzle5AuthHandler
+{
+  protected $cache;
+  protected $cacheConfig;
+
+  public function __construct(CacheItemPoolInterface $cache = null, array $cacheConfig = [])
+  {
+    $this->cache = $cache;
+    $this->cacheConfig = $cacheConfig;
+  }
+
+  public function attachCredentials(
+      ClientInterface $http,
+      CredentialsLoader $credentials,
+      callable $tokenCallback = null
+  ) {
+    // use the provided cache
+    if ($this->cache) {
+      $credentials = new FetchAuthTokenCache(
+          $credentials,
+          $this->cacheConfig,
+          $this->cache
+      );
+    }
+    // if we end up needing to make an HTTP request to retrieve credentials, we
+    // can use our existing one, but we need to throw exceptions so the error
+    // bubbles up.
+    $authHttp = $this->createAuthHttp($http);
+    $authHttpHandler = HttpHandlerFactory::build($authHttp);
+    $subscriber = new AuthTokenSubscriber(
+        $credentials,
+        $authHttpHandler,
+        $tokenCallback
+    );
+
+    $http->setDefaultOption('auth', 'google_auth');
+    $http->getEmitter()->attach($subscriber);
+
+    return $http;
+  }
+
+  public function attachToken(ClientInterface $http, array $token, array $scopes)
+  {
+    $tokenFunc = function ($scopes) use ($token) {
+      return $token['access_token'];
+    };
+
+    $subscriber = new ScopedAccessTokenSubscriber(
+        $tokenFunc,
+        $scopes,
+        $this->cacheConfig,
+        $this->cache
+    );
+
+    $http->setDefaultOption('auth', 'scoped');
+    $http->getEmitter()->attach($subscriber);
+
+    return $http;
+  }
+
+  public function attachKey(ClientInterface $http, $key)
+  {
+    $subscriber = new SimpleSubscriber(['key' => $key]);
+
+    $http->setDefaultOption('auth', 'simple');
+    $http->getEmitter()->attach($subscriber);
+
+    return $http;
+  }
+
+  private function createAuthHttp(ClientInterface $http)
+  {
+    return new Client(
+        [
+          'base_url' => $http->getBaseUrl(),
+          'defaults' => [
+            'exceptions' => true,
+            'verify' => $http->getDefaultOption('verify'),
+            'proxy' => $http->getDefaultOption('proxy'),
+          ]
+        ]
+    );
+  }
+}