Esempio n. 1
0
 /**
  * Set Google authentication credentials.
  * Must be done before trying to do any Google Data operations that
  * require authentication.
  * For example, viewing private data, or posting or deleting entries.
  *
  * @param string $email
  * @param string $password
  * @param string $service
  * @param Zend_Gdata_HttpClient $client
  * @param string $source
  * @param string $loginToken The token identifier as provided by the server.
  * @param string $loginCaptcha The user's response to the CAPTCHA challenge.
  * @param string $accountType An optional string to identify whether the
  * account to be authenticated is a google or a hosted account. Defaults to
  * 'HOSTED_OR_GOOGLE'. See: http://code.google.com/apis/accounts/docs/AuthForInstalledApps.html#Request
  * @throws Zend_Gdata_App_AuthException
  * @throws Zend_Gdata_App_HttpException
  * @throws Zend_Gdata_App_CaptchaRequiredException
  * @return Zend_Gdata_HttpClient
  */
 public static function getHttpClient($email, $password, $service = 'xapi', $client = null, $source = self::DEFAULT_SOURCE, $loginToken = null, $loginCaptcha = null, $loginUri = self::CLIENTLOGIN_URI, $accountType = 'HOSTED_OR_GOOGLE')
 {
     if (!($email && $password)) {
         // require_once 'Zend/Gdata/App/AuthException.php';
         throw new Zend_Gdata_App_AuthException('Please set your Google credentials before trying to ' . 'authenticate');
     }
     if ($client == null) {
         $client = new Zend_Gdata_HttpClient();
     }
     if (!$client instanceof Zend_Http_Client) {
         // require_once 'Zend/Gdata/App/HttpException.php';
         throw new Zend_Gdata_App_HttpException('Client is not an instance of Zend_Http_Client.');
     }
     // Build the HTTP client for authentication
     $client->setUri($loginUri);
     $useragent = $source . ' Zend_Framework_Gdata/' . Zend_Version::VERSION;
     $client->setConfig(array('maxredirects' => 0, 'strictredirects' => true, 'useragent' => $useragent));
     $client->setParameterPost('accountType', $accountType);
     $client->setParameterPost('Email', (string) $email);
     $client->setParameterPost('Passwd', (string) $password);
     $client->setParameterPost('service', (string) $service);
     $client->setParameterPost('source', (string) $source);
     if ($loginToken || $loginCaptcha) {
         if ($loginToken && $loginCaptcha) {
             $client->setParameterPost('logintoken', (string) $loginToken);
             $client->setParameterPost('logincaptcha', (string) $loginCaptcha);
         } else {
             // require_once 'Zend/Gdata/App/AuthException.php';
             throw new Zend_Gdata_App_AuthException('Please provide both a token ID and a user\'s response ' . 'to the CAPTCHA challenge.');
         }
     }
     // Send the authentication request
     // For some reason Google's server causes an SSL error. We use the
     // output buffer to supress an error from being shown. Ugly - but works!
     ob_start();
     try {
         $response = $client->request('POST');
     } catch (Zend_Http_Client_Exception $e) {
         // require_once 'Zend/Gdata/App/HttpException.php';
         throw new Zend_Gdata_App_HttpException($e->getMessage(), $e);
     }
     ob_end_clean();
     // Parse Google's response
     $goog_resp = array();
     foreach (explode("\n", $response->getBody()) as $l) {
         $l = chop($l);
         if ($l) {
             list($key, $val) = explode('=', chop($l), 2);
             $goog_resp[$key] = $val;
         }
     }
     if ($response->getStatus() == 200) {
         $client->setClientLoginToken($goog_resp['Auth']);
         $useragent = $source . ' Zend_Framework_Gdata/' . Zend_Version::VERSION;
         $client->setConfig(array('strictredirects' => true, 'useragent' => $useragent));
         return $client;
     } elseif ($response->getStatus() == 403) {
         // Check if the server asked for a CAPTCHA
         if (array_key_exists('Error', $goog_resp) && $goog_resp['Error'] == 'CaptchaRequired') {
             // require_once 'Zend/Gdata/App/CaptchaRequiredException.php';
             throw new Zend_Gdata_App_CaptchaRequiredException($goog_resp['CaptchaToken'], $goog_resp['CaptchaUrl']);
         } else {
             // require_once 'Zend/Gdata/App/AuthException.php';
             throw new Zend_Gdata_App_AuthException('Authentication with Google failed. Reason: ' . (isset($goog_resp['Error']) ? $goog_resp['Error'] : 'Unspecified.'));
         }
     }
 }