diff options
Diffstat (limited to 'mod/twitterservice/start.php')
| -rw-r--r-- | mod/twitterservice/start.php | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/mod/twitterservice/start.php b/mod/twitterservice/start.php new file mode 100644 index 000000000..83e98d618 --- /dev/null +++ b/mod/twitterservice/start.php @@ -0,0 +1,134 @@ +<?php +/** + * Elgg Twitter Service + * This service plugin allows users to authenticate their Elgg account with Twitter. + * + * @package TwitterService + * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2 + * @copyright Curverider Ltd 2008-2010 + */ + +register_elgg_event_handler('init','system','twitterservice_init'); +function twitterservice_init() { + global $CONFIG; + $notice_id = 'twitter_services_disable'; + + if (!is_plugin_enabled('oauth_lib')) { + // disable the plugin + disable_plugin('twitterservice'); + + // alert the admin + if (!elgg_admin_notice_exists($notice_id)) { + elgg_add_admin_notice($notice_id, elgg_echo('twitterservice:requires_oauth')); + } + } else { + // cleanup notices + elgg_delete_admin_notice($notice_id); + + // require libraries + require_once "{$CONFIG->pluginspath}twitterservice/vendors/twitteroauth/twitterOAuth.php"; + require_once "{$CONFIG->pluginspath}twitterservice/twitterservice_lib.php"; + + // extend site views + elgg_extend_view('metatags', 'twitterservice/metatags'); + elgg_extend_view('css', 'twitterservice/css'); + + // sign on with twitter + if (twitterservice_allow_sign_on_with_twitter()) { + elgg_extend_view('login/extend', 'twitterservice/login'); + } + + // register page handler + register_page_handler('twitterservice', 'twitterservice_pagehandler'); + + // register Walled Garden public pages + register_plugin_hook('public_pages', 'walled_garden', 'twitterservice_public_pages'); + + // allow plugin authors to hook into this service + register_plugin_hook('tweet', 'twitter_service', 'twitterservice_tweet'); + } +} + +function twitterservice_pagehandler($page) { + if (!isset($page[0])) { + forward(); + } + + switch ($page[0]) { + case 'authorize': + twitterservice_authorize(); + break; + case 'revoke': + twitterservice_revoke(); + break; + case 'forward': + twitterservice_forward(); + break; + case 'login': + twitterservice_login(); + break; + default: + forward(); + break; + } +} + +function twitterservice_tweet($hook, $entity_type, $returnvalue, $params) { + static $plugins; + if (!$plugins) { + $plugins = trigger_plugin_hook('plugin_list', 'twitter_service', NULL, array()); + } + + // ensure valid plugin + if (!in_array($params['plugin'], $plugins)) { + return NULL; + } + + // check admin settings + $consumer_key = get_plugin_setting('consumer_key', 'twitterservice'); + $consumer_secret = get_plugin_setting('consumer_secret', 'twitterservice'); + if (!($consumer_key && $consumer_secret)) { + return NULL; + } + + // check user settings + $user_id = get_loggedin_userid(); + $access_key = get_plugin_usersetting('access_key', $user_id, 'twitterservice'); + $access_secret = get_plugin_usersetting('access_secret', $user_id, 'twitterservice'); + if (!($access_key && $access_secret)) { + return NULL; + } + + // send tweet + $api = new TwitterOAuth($consumer_key, $consumer_secret, $access_key, $access_secret); + $response = $api->post('statuses/update', array('status' => $params['message'])); + + return TRUE; +} + +function twitterservice_fetch_tweets($user_id, $options=array()) { + // check admin settings + $consumer_key = get_plugin_setting('consumer_key', 'twitterservice'); + $consumer_secret = get_plugin_setting('consumer_secret', 'twitterservice'); + if (!($consumer_key && $consumer_secret)) { + return FALSE; + } + + // check user settings + $access_key = get_plugin_usersetting('access_key', $user_id, 'twitterservice'); + $access_secret = get_plugin_usersetting('access_secret', $user_id, 'twitterservice'); + if (!($access_key && $access_secret)) { + return FALSE; + } + + // fetch tweets + $api = new TwitterOAuth($consumer_key, $consumer_secret, $access_key, $access_secret); + return $api->get('statuses/user_timeline', $options); +} + +function twitterservice_public_pages($hook, $type, $return_value, $params) { + $return_value[] = 'pg/twitterservice/forward'; + $return_value[] = 'pg/twitterservice/login'; + + return $return_value; +} |