/[drupal]/contributions/modules/video/includes/apiclient.inc
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revision 1.2.4.2, Sat Nov 7 17:00:19 2009 UTC revision 1.2.4.3, Sun Nov 8 15:41:54 2009 UTC
# Line 1  Line 1 
1  <?php  <?php
2  //$Id: apiclient.inc,v 1.2.4.1 2009/05/27 01:48:28 heshanmw Exp $  //$Id: apiclient.inc,v 1.2.4.2 2009/11/07 17:00:19 heshanmw Exp $
3  /**  /**
4   * @file   * @file
5   * Some functions for using video hosting providers api (Youtube, Google Video, etc..)   * Some functions for using video hosting providers api (Youtube, Google Video, etc..)
# Line 10  Line 10 
10   * @author Heshan Wanigasooriya <heshan at heidisoft.com><heshanmw at gmail dot com>   * @author Heshan Wanigasooriya <heshan at heidisoft.com><heshanmw at gmail dot com>
11   * @todo   * @todo
12   */   */
13    
14  function _video_apiclient_youtube_video_entry($id, $cacheable = TRUE) {  // Upload token url.
15    define('VIDEO_UPLOAD_GDATA_TOKEN_UPLOAD_URL', 'http://gdata.youtube.com/action/GetUploadToken');
16    
17    // Note the different schemes for categories and developer tags.
18    define('VIDEO_UPLOAD_GDATA_CATEGORIES_SCHEME', 'http://gdata.youtube.com/schemas/2007/categories.cat');
19    define('VIDEO_UPLOAD_GDATA_DEVELOPER_TAG_SCHEME', 'http://gdata.youtube.com/schemas/2007/developertags.cat');
20    
21    // Authentication url.
22    define('VIDEO_UPLOAD_GDATA_AUTHENTICATE_URL', 'https://www.google.com/youtube/accounts/ClientLogin');
23    
24    
25     /**
26     * Authenticate YouTube user account.
27     */
28    function _video_upload_gdata_authenticate_youtube() {
29      // Username.
30      // $username = variable_get('video_upload_youtube_username', FALSE);
31      $username = 'heshanmw';
32      if (!$username) {
33        watchdog('video_upload', 'No YouTube username set', array(), WATCHDOG_ERROR);
34      }
35    
36      // Password.
37      // $password = variable_get('video_upload_youtube_password', FALSE);
38      $password = 'chicagobulls';
39      if (!$password) {
40        watchdog('video_upload', 'No YouTube password set', array(), WATCHDOG_ERROR);
41      }
42    
43      if (!$username || !$password) {
44        drupal_set_message(t('YouTube Uploads not currently available'), 'error');
45        return FALSE;
46      }
47    
48      if (_video_apiclient_youtube_init('authenticate')) {
49        try {
50          $http_client = Zend_Gdata_ClientLogin::getHttpClient(
51          $username, // username
52          $password, // password
53          $service = 'youtube',
54          $client = NULL,
55          $source = 'drupal',
56          $loginToken = NULL,
57          $loginCaptcha = NULL,
58          VIDEO_UPLOAD_GDATA_AUTHENTICATE_URL
59          );
60        }
61        catch (Zend_Gdata_App_AuthException $authEx) {
62          drupal_set_message(t('YouTube uploads currently unavailable'), 'error');
63          watchdog('video_upload', 'Authentication error for YouTube Account', array(), WATCHDOG_ERROR);
64          return FALSE;
65        }
66        catch (Zend_Gdata_App_HttpException $e) {
67          drupal_set_message(t('YouTube uploads currently unavailable'), 'error');
68          watchdog('video_upload', 'Authentication error for YouTube Account: %error', array('%error' => $e->getMessage()), WATCHDOG_ERROR);
69          return FALSE;
70        }
71      }
72      else {
73        return FALSE;
74      }
75    
76      // Pass developer key.
77      // $developer_key = variable_get('video_upload_youtube_developer_key', FALSE);
78      $developer_key = variable_get('video_youtube_api_key', '');
79      if (!$developer_key) {
80        watchdog('video_upload', 'No developer key set', array(), WATCHDOG_ERROR);
81        drupal_set_message(t('YouTube Uploads not currently available'), 'error');
82        return FALSE;
83      }
84      $http_client->setHeaders('X-GData-Key', 'key=' . $developer_key);
85    
86      return $http_client;
87    }
88    
89    /*
90     *  Create a Zend YouTube object.
91     * @param mixed $http_client
92     *   Either a boolean (if FALSE, an un-authenticated connection is
93     *   made), or an authentication object.
94     * @return object Zend YouTube object
95     */
96    function _video_apiclient_youtube_gdata($http_client = NULL) {
97    _video_apiclient_youtube_init('youtube');    _video_apiclient_youtube_init('youtube');
98      try {
99        $yt = new Zend_Gdata_YouTube($http_client);
100        // Set API version to 2.0.
101        $yt->setMajorProtocolVersion(2);
102      }
103      catch (Zend_Gdata_App_HttpException $e) {
104        watchdog('youtube_video', 'Authentication error while creating a YouTube connection object: %error', array('%error' => $e->getMessage()), WATCHDOG_ERROR);
105      }
106      return $yt;
107    }
108    
109    function _video_apiclient_youtube_video_entry($id, $cacheable = TRUE) {
110      //_video_apiclient_youtube_init('youtube');
111      // Get new http authentication.
112      $http_client = _video_upload_gdata_authenticate_youtube();
113    //initialize Gdata lib    //initialize Gdata lib
114    $yt = new Zend_Gdata_YouTube();    $yt = _video_apiclient_youtube_gdata($http_client);
115      //$yt = new Zend_Gdata_YouTube($http_client);
116    // set API version    // set API version
117    $yt->setMajorProtocolVersion(2);    //$yt->setMajorProtocolVersion(2);
118    // if it's a cachable request, try to load a cached value    // if it's a cachable request, try to load a cached value
119    if ($cacheable) {  //  if ($cacheable) {
120      if ($cache = cache_get($id, 'cache')) {  //    if ($cache = cache_get($id, 'cache')) {
121        return unserialize($cache->data);  //      return unserialize($cache->data);
122      }  //    }
123    //  }
124      try{
125        //get video entried
126        $videoEntry = $yt->getVideoEntry($id);
127        watchdog('youtube_video', $videoEntry->getVideoDuration().$videoEntry->getVideoId().$videoEntry->getVideoTitle());
128    //    print_r($videoEntry);
129    //    exit;
130    }    }
131    //get video entried    catch (Zend_Gdata_App_HttpException $e){
132    $videoEntry = $yt->getVideoEntry($id);      watchdog('youtube_video', 'Authentication error while receiving YouTube connection object: %error', array('%error' => $e->getMessage()), WATCHDOG_ERROR);
   // save a cacheable result for future use  
   if ($cacheable) {  
     cache_set($id, serialize($videoEntry), 'cache', time() + 3600);  
133    }    }
134      // save a cacheable result for future use
135    //  if ($cacheable) {
136    //    cache_set($id, serialize($videoEntry), 'cache', time() + 3600);
137    //  }
138      return $videoEntry;
139  }  }
140    
141  /**  /**
# Line 36  function _video_apiclient_youtube_video_ Line 143  function _video_apiclient_youtube_video_
143   */   */
144  function _video_apiclient_youtube_init($op) {  function _video_apiclient_youtube_init($op) {
145    // Include Zend loader class.    // Include Zend loader class.
146      _video_upload_gdata_set_include_path();
147    //TODO :  move Zend to the library folder    //TODO :  move Zend to the library folder
148    if (@include_once('youtube/Zend/Loader.php')) {    if (@include_once('Zend/Loader.php')) {
149      switch ($op) {      switch ($op) {
150      case 'authenticate' :      case 'authenticate' :
151        Zend_Loader::loadClass('Zend_Gdata_ClientLogin');        Zend_Loader::loadClass('Zend_Gdata_ClientLogin');
# Line 53  function _video_apiclient_youtube_init($ Line 161  function _video_apiclient_youtube_init($
161    }    }
162  }  }
163    
164    /**
165     * Set include path for Zend GData client libraries, which should be
166     * installed locally in the module directory.
167     */
168    function _video_upload_gdata_set_include_path() {
169      // Include path must be modified.
170      static $path;
171      if (!$path) {
172        $path = get_include_path();
173        set_include_path($path . PATH_SEPARATOR . drupal_get_path('module', 'video') . '/includes/youtube');
174      }
175    }
176    
177  /**  /**
178   * When an include file requires to read an xml to receive information, such as for thumbnails,   * When an include file requires to read an xml to receive information, such as for thumbnails,
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