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[quix0rs-gnu-social.git] / lib / twitterapi.php
index 6757afd7eddf6ea1c98eb576424c683a5111664a..a4d183fcd05e3c3739185755fc7e4be40a5d49ea 100644 (file)
 
 if (!defined('LACONICA')) { exit(1); }
 
-class TwitterapiAction extends Action {
-
-       function handle($args) {
-               parent::handle($args);
-       }
-       
-       function twitter_user_array($profile) {
-               
-               $twitter_user = array();
-               
-               $twitter_user['id'] = $profile->id;
-               $twitter_user['name'] = $profile->getBestName();
-               $twitter_user['screen_name'] = $profile->nickname;
-               $twitter_user['location'] = $profile->location;
-               $twitter_user['description'] = $profile->bio;
-               
-               $avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
-               
-               $twitter_user['profile_image_url'] = ($avatar) ? common_avatar_display_url($avatar) : common_default_avatar(AVATAR_STREAM_SIZE);
-               $twitter_user['url'] = $profile->homepage;
-               $twitter_user['protected'] = 'false'; # not supported by Laconica yet
-               $twitter_user['followers_count'] = $this->count_subscriptions($profile);
-               
-               return $twitter_user;           
-       }
-
-       function twitter_status_array($notice) {
-               
-               $twitter_status = array();
-               
-               $twitter_status['created_at'] = $this->date_twitter($notice->created);
-               $twitter_status['id'] = $notice->id;
-               $twitter_status['text'] = $notice->content; 
-               $twitter_status['source'] = ''; # XXX: twitterific, twitterfox, etc. Not supported yet.
-               $twitter_status['truncated'] = 'false'; # Not possible on Laconica
-               $twitter_status['in_reply_to_status_id'] = $notice->reply_to;
-               $twitter_status['in_reply_to_user_id'] = ($notice->reply_to) ? $this->replier_by_reply($notice->reply_to) : '';
-               $twitter_status['favorited'] = ''; # XXX: Not implemented on Laconica yet.
-               
-               $profile = $notice->getProfile();
-               $twitter_user = $this->twitter_user_array($profile);
-               $twitter_status['user'] = $twitter_user;
-                               
-               return $twitter_status;
-       }
-       
-       function render_twitter_xml_status($twitter_status) {   
-               common_element_start('status');
-               common_element('created_at', NULL, $twitter_status['created_at']);
-               common_element('id', NULL, $twitter_status['id']);
-               common_element('text', NULL, $twitter_status['text']);
-               common_element('source', NULL, $twitter_status['source']);  
-               common_element('truncated', NULL, $twitter_status['truncated']); 
-               common_element('in_reply_to_status_id', NULL, $twitter_status['in_reply_to_status_id']);
-               common_element('in_reply_to_user_id', NULL, $twitter_status['in_reply_to_user_id']);
-               common_element('favorited', Null, $twitter_status['favorited']);  
-
-               $this->render_twitter_xml_user($twitter_status['user']);
-               
-               common_element_end('status');
-       }       
-       
-       function render_twitter_xml_user($twitter_user) {
-               common_element_start('user');
-               common_element('id', NULL, $twitter_user['id']);
-               common_element('name', NULL, $twitter_user['name']);
-               common_element('screen_name', NULL, $twitter_user['screen_name']);
-               common_element('location', NULL, $twitter_user['location']);
-               common_element('description', NULL, $twitter_user['description']);              
-               common_element('profile_image_url', NULL, $twitter_user['profile_image_url']);
-               common_element('url', NULL, $twitter_user['url']);
-               common_element('protected', NULL, $twitter_user['protected']);
-               common_element('followers_count', NULL, $twitter_user['followers_count']);
-               common_element_end('user');
-       }
-       
-       // Anyone know what date format this is?  It's not RFC 2822 
-       // Twitter's dates look like this: "Mon Jul 14 23:52:38 +0000 2008" -- Zach 
-       function date_twitter($dt) {
-               $t = strtotime($dt);
-               return date("D M d G:i:s O Y", $t);
-       }
-
-       function replier_by_reply($reply_id) {  
-
-               $notice = Notice::staticGet($reply_id);
-       
-               if (!$notice) {
-                       common_debug("TwitterapiAction::replier_by_reply: Got a bad notice_id: $reply_id");
-               }
-
-               $profile = $notice->getProfile();
-               
-               if (!$profile) {
-                       common_debug("TwitterapiAction::replier_by_reply: Got a bad profile_id: $profile_id");
-                       return false;
-               }
-               
-               return $profile->id;            
-       }
-
-       // XXX: Candidate for a general utility method somewhere?       
-       function count_subscriptions($profile) {
-               
-               $count = 0;
-               $sub = new Subscription();
-               $sub->subscribed = $profile->id;
-
-               if ($sub->find()) {
-                       while ($sub->fetch()) {
-                               if ($sub->token) {
-                                       $other = Remote_profile::staticGet('id', $sub->subscriber);
-                               } else {
-                                       $other = User::staticGet('id', $sub->subscriber);
-                               }
-                               if (!$other) {
-                                       common_debug('Got a bad subscription: '.print_r($sub,TRUE));
-                                       continue;
-                               }               
-                               $count++;
-                       }
-               }
-               return $count;
-       }
-       
-}
\ No newline at end of file
+class TwitterapiAction extends Action
+{
+
+    var $auth_user;
+
+    function handle($args)
+    {
+        parent::handle($args);
+    }
+    
+    function twitter_user_array($profile, $get_notice=false)
+    {
+
+        $twitter_user = array();
+
+        $twitter_user['name'] = $profile->getBestName();
+        $twitter_user['followers_count'] = $this->count_subscriptions($profile);
+        $twitter_user['screen_name'] = $profile->nickname;
+        $twitter_user['description'] = ($profile->bio) ? $profile->bio : null;
+        $twitter_user['location'] = ($profile->location) ? $profile->location : null;
+        $twitter_user['id'] = intval($profile->id);
+
+        $avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
+
+        $twitter_user['profile_image_url'] = ($avatar) ? $avatar->displayUrl() : Avatar::defaultImage(AVATAR_STREAM_SIZE);
+        $twitter_user['protected'] = 'false'; # not supported by Laconica yet
+        $twitter_user['url'] = ($profile->homepage) ? $profile->homepage : null;
+
+        if ($get_notice) {
+            $notice = $profile->getCurrentNotice();
+            if ($notice) {
+                # don't get user!
+                $twitter_user['status'] = $this->twitter_status_array($notice, false);
+            }
+        }
+
+        return $twitter_user;
+    }
+
+    function twitter_status_array($notice, $include_user=true)
+    {
+
+        $profile = $notice->getProfile();
+
+        $twitter_status = array();
+        $twitter_status['text'] = $notice->content;
+        $twitter_status['truncated'] = 'false'; # Not possible on Laconica
+        $twitter_status['created_at'] = $this->date_twitter($notice->created);
+        $twitter_status['in_reply_to_status_id'] = ($notice->reply_to) ? intval($notice->reply_to) : null;
+        $twitter_status['source'] = $this->source_link($notice->source);
+        $twitter_status['id'] = intval($notice->id);
+        $twitter_status['in_reply_to_user_id'] = ($notice->reply_to) ? $this->replier_by_reply(intval($notice->reply_to)) : null;
+
+        if (isset($this->auth_user)) {
+            $twitter_status['favorited'] = ($this->auth_user->hasFave($notice)) ? 'true' : 'false';
+        } else {
+            $twitter_status['favorited'] = 'false';
+        }
+
+        if ($include_user) {
+            # Don't get notice (recursive!)
+            $twitter_user = $this->twitter_user_array($profile, false);
+            $twitter_status['user'] = $twitter_user;
+        }
+
+        return $twitter_status;
+    }
+
+    function twitter_rss_entry_array($notice)
+    {
+
+        $profile = $notice->getProfile();
+
+        $server = common_config('site', 'server');
+        $entry = array();
+
+        # We trim() to avoid extraneous whitespace in the output
+
+        $entry['content'] = common_xml_safe_str(trim($notice->rendered));
+        $entry['title'] = $profile->nickname . ': ' . common_xml_safe_str(trim($notice->content));
+        $entry['link'] = common_local_url('shownotice', array('notice' => $notice->id));
+        $entry['published'] = common_date_iso8601($notice->created);
+        $entry['id'] = "tag:$server,2008:$entry[link]";
+        $entry['updated'] = $entry['published'];
+
+        # RSS Item specific
+        $entry['description'] = $entry['content'];
+        $entry['pubDate'] = common_date_rfc2822($notice->created);
+        $entry['guid'] = $entry['link'];
+
+        return $entry;
+    }
+
+    function twitter_rss_dmsg_array($message)
+    {
+
+        $server = common_config('site', 'server');
+        $entry = array();
+
+        $entry['title'] = sprintf('Message from %s to %s',
+            $message->getFrom()->nickname, $message->getTo()->nickname);
+
+        $entry['content'] = common_xml_safe_str(trim($message->content));
+        $entry['link'] = common_local_url('showmessage', array('message' => $message->id));
+        $entry['published'] = common_date_iso8601($message->created);
+        $entry['id'] = "tag:$server,2008:$entry[link]";
+        $entry['updated'] = $entry['published'];
+
+        # RSS Item specific
+        $entry['description'] = $entry['content'];
+        $entry['pubDate'] = common_date_rfc2822($message->created);
+        $entry['guid'] = $entry['link'];
+
+        return $entry;
+    }
+
+    function twitter_dmsg_array($message)
+    {
+
+        $twitter_dm = array();
+
+        $from_profile = $message->getFrom();
+        $to_profile = $message->getTo();
+
+        $twitter_dm['id'] = $message->id;
+        $twitter_dm['sender_id'] = $message->from_profile;
+        $twitter_dm['text'] = trim($message->content);
+        $twitter_dm['recipient_id'] = $message->to_profile;
+        $twitter_dm['created_at'] = $this->date_twitter($message->created);
+        $twitter_dm['sender_screen_name'] = $from_profile->nickname;
+        $twitter_dm['recipient_screen_name'] = $to_profile->nickname;
+        $twitter_dm['sender'] = $this->twitter_user_array($from_profile, false);
+        $twitter_dm['recipient'] = $this->twitter_user_array($to_profile, false);
+
+        return $twitter_dm;
+    }
+
+    function show_twitter_xml_status($twitter_status)
+    {
+        $this->elementStart('status');
+        foreach($twitter_status as $element => $value) {
+            switch ($element) {
+            case 'user':
+                $this->show_twitter_xml_user($twitter_status['user']);
+                break;
+            case 'text':
+                $this->element($element, null, common_xml_safe_str($value));
+                break;
+            default:
+                $this->element($element, null, $value);
+            }
+        }
+        $this->elementEnd('status');
+    }
+
+    function show_twitter_xml_user($twitter_user, $role='user')
+    {
+        $this->elementStart($role);
+        foreach($twitter_user as $element => $value) {
+            if ($element == 'status') {
+                $this->show_twitter_xml_status($twitter_user['status']);
+            } else {
+                $this->element($element, null, $value);
+            }
+        }
+        $this->elementEnd($role);
+    }
+
+    function show_twitter_rss_item($entry)
+    {
+        $this->elementStart('item');
+        $this->element('title', null, $entry['title']);
+        $this->element('description', null, $entry['description']);
+        $this->element('pubDate', null, $entry['pubDate']);
+        $this->element('guid', null, $entry['guid']);
+        $this->element('link', null, $entry['link']);
+        $this->elementEnd('item');
+    }
+
+    function show_twitter_atom_entry($entry)
+    {
+        $this->elementStart('entry');
+        $this->element('title', null, $entry['title']);
+        $this->element('content', array('type' => 'html'), $entry['content']);
+        $this->element('id', null, $entry['id']);
+        $this->element('published', null, $entry['published']);
+        $this->element('updated', null, $entry['updated']);
+        $this->element('link', array('href' => $entry['link'], 'rel' => 'alternate', 'type' => 'text/html'), null);
+        $this->elementEnd('entry');
+    }
+
+    function show_json_objects($objects)
+    {
+        print(json_encode($objects));
+    }
+
+    function show_single_xml_status($notice)
+    {
+        $this->init_document('xml');
+        $twitter_status = $this->twitter_status_array($notice);
+        $this->show_twitter_xml_status($twitter_status);
+        $this->end_document('xml');
+    }
+
+    function show_single_json_status($notice)
+    {
+        $this->init_document('json');
+        $status = $this->twitter_status_array($notice);
+        $this->show_json_objects($status);
+        $this->end_document('json');
+    }
+
+    function show_single_xml_dmsg($message)
+    {
+        $this->init_document('xml');
+        $dmsg = $this->twitter_dmsg_array($message);
+        $this->show_twitter_xml_dmsg($dmsg);
+        $this->end_document('xml');
+    }
+
+    function show_single_json_dmsg($message)
+    {
+        $this->init_document('json');
+        $dmsg = $this->twitter_dmsg_array($message);
+        $this->show_json_objects($dmsg);
+        $this->end_document('json');
+    }
+
+    function show_twitter_xml_dmsg($twitter_dm)
+    {
+        $this->elementStart('direct_message');
+        foreach($twitter_dm as $element => $value) {
+            switch ($element) {
+            case 'sender':
+            case 'recipient':
+                $this->show_twitter_xml_user($value, $element);
+                break;
+            case 'text':
+                $this->element($element, null, common_xml_safe_str($value));
+                break;
+            default:
+                $this->element($element, null, $value);
+            }
+        }
+        $this->elementEnd('direct_message');
+    }
+
+    function show_xml_timeline($notice)
+    {
+
+        $this->init_document('xml');
+        $this->elementStart('statuses', array('type' => 'array'));
+
+        if (is_array($notice)) {
+            foreach ($notice as $n) {
+                $twitter_status = $this->twitter_status_array($n);
+                $this->show_twitter_xml_status($twitter_status);
+            }
+        } else {
+            while ($notice->fetch()) {
+                $twitter_status = $this->twitter_status_array($notice);
+                $this->show_twitter_xml_status($twitter_status);
+            }
+        }
+
+        $this->elementEnd('statuses');
+        $this->end_document('xml');
+    }
+
+    function show_rss_timeline($notice, $title, $link, $subtitle, $suplink=null)
+    {
+
+        $this->init_document('rss');
+
+        $this->elementStart('channel');
+        $this->element('title', null, $title);
+        $this->element('link', null, $link);
+        if (!is_null($suplink)) {
+            # For FriendFeed's SUP protocol
+            $this->element('link', array('xmlns' => 'http://www.w3.org/2005/Atom',
+                                         'rel' => 'http://api.friendfeed.com/2008/03#sup',
+                                         'href' => $suplink,
+                                         'type' => 'application/json'));
+        }
+        $this->element('description', null, $subtitle);
+        $this->element('language', null, 'en-us');
+        $this->element('ttl', null, '40');
+
+        if (is_array($notice)) {
+            foreach ($notice as $n) {
+                $entry = $this->twitter_rss_entry_array($n);
+                $this->show_twitter_rss_item($entry);
+            }
+        } else {
+            while ($notice->fetch()) {
+                $entry = $this->twitter_rss_entry_array($notice);
+                $this->show_twitter_rss_item($entry);
+            }
+        }
+
+        $this->elementEnd('channel');
+        $this->end_twitter_rss();
+    }
+
+    function show_atom_timeline($notice, $title, $id, $link, $subtitle=null, $suplink=null)
+    {
+
+        $this->init_document('atom');
+
+        $this->element('title', null, $title);
+        $this->element('id', null, $id);
+        $this->element('link', array('href' => $link, 'rel' => 'alternate', 'type' => 'text/html'), null);
+        if (!is_null($suplink)) {
+            # For FriendFeed's SUP protocol
+            $this->element('link', array('rel' => 'http://api.friendfeed.com/2008/03#sup',
+                                         'href' => $suplink,
+                                         'type' => 'application/json'));
+        }
+        $this->element('subtitle', null, $subtitle);
+
+        if (is_array($notice)) {
+            foreach ($notice as $n) {
+                $entry = $this->twitter_rss_entry_array($n);
+                $this->show_twitter_atom_entry($entry);
+            }
+        } else {
+            while ($notice->fetch()) {
+                $entry = $this->twitter_rss_entry_array($notice);
+                $this->show_twitter_atom_entry($entry);
+            }
+        }
+
+        $this->end_document('atom');
+
+    }
+
+    function show_json_timeline($notice)
+    {
+
+        $this->init_document('json');
+
+        $statuses = array();
+
+        if (is_array($notice)) {
+            foreach ($notice as $n) {
+                $twitter_status = $this->twitter_status_array($n);
+                array_push($statuses, $twitter_status);
+            }
+        } else {
+            while ($notice->fetch()) {
+                $twitter_status = $this->twitter_status_array($notice);
+                array_push($statuses, $twitter_status);
+            }
+        }
+
+        $this->show_json_objects($statuses);
+
+        $this->end_document('json');
+    }
+
+    // Anyone know what date format this is?
+    // Twitter's dates look like this: "Mon Jul 14 23:52:38 +0000 2008" -- Zach
+    function date_twitter($dt)
+    {
+        $t = strtotime($dt);
+        return date("D M d G:i:s O Y", $t);
+    }
+
+    function replier_by_reply($reply_id)
+    {
+        $notice = Notice::staticGet($reply_id);
+        if ($notice) {
+            $profile = $notice->getProfile();
+            if ($profile) {
+                return intval($profile->id);
+            } else {
+                common_debug('Can\'t find a profile for notice: ' . $notice->id, __FILE__);
+            }
+        } else {
+            common_debug("Can't get notice: $reply_id", __FILE__);
+        }
+        return null;
+    }
+
+    // XXX: Candidate for a general utility method somewhere?
+    function count_subscriptions($profile)
+    {
+
+        $count = 0;
+        $sub = new Subscription();
+        $sub->subscribed = $profile->id;
+
+        $count = $sub->find();
+
+        if ($count > 0) {
+            return $count - 1;
+        } else {
+            return 0;
+        }
+    }
+
+    function init_document($type='xml')
+    {
+        switch ($type) {
+         case 'xml':
+            header('Content-Type: application/xml; charset=utf-8');
+            $this->startXML();
+            break;
+         case 'json':
+            header('Content-Type: application/json; charset=utf-8');
+
+            // Check for JSONP callback
+            $callback = $this->arg('callback');
+            if ($callback) {
+                print $callback . '(';
+            }
+            break;
+         case 'rss':
+            header("Content-Type: application/rss+xml; charset=utf-8");
+            $this->init_twitter_rss();
+            break;
+         case 'atom':
+            header('Content-Type: application/atom+xml; charset=utf-8');
+            $this->init_twitter_atom();
+            break;
+         default:
+            $this->client_error(_('Not a supported data format.'));
+            break;
+        }
+
+        return;
+    }
+
+    function end_document($type='xml')
+    {
+        switch ($type) {
+         case 'xml':
+            $this->endXML();
+            break;
+         case 'json':
+
+            // Check for JSONP callback
+            $callback = $this->arg('callback');
+            if ($callback) {
+                print ')';
+            }
+            break;
+         case 'rss':
+            $this->end_twitter_rss();
+            break;
+         case 'atom':
+            $this->end_twitter_rss();
+            break;
+         default:
+            $this->client_error(_('Not a supported data format.'));
+            break;
+        }
+        return;
+    }
+
+    function client_error($msg, $code = 400, $content_type = 'json')
+    {
+
+        static $status = array(400 => 'Bad Request',
+                               401 => 'Unauthorized',
+                               402 => 'Payment Required',
+                               403 => 'Forbidden',
+                               404 => 'Not Found',
+                               405 => 'Method Not Allowed',
+                               406 => 'Not Acceptable',
+                               407 => 'Proxy Authentication Required',
+                               408 => 'Request Timeout',
+                               409 => 'Conflict',
+                               410 => 'Gone',
+                               411 => 'Length Required',
+                               412 => 'Precondition Failed',
+                               413 => 'Request Entity Too Large',
+                               414 => 'Request-URI Too Long',
+                               415 => 'Unsupported Media Type',
+                               416 => 'Requested Range Not Satisfiable',
+                               417 => 'Expectation Failed');
+
+        $action = $this->trimmed('action');
+
+        common_debug("User error '$code' on '$action': $msg", __FILE__);
+
+        if (!array_key_exists($code, $status)) {
+            $code = 400;
+        }
+
+        $status_string = $status[$code];
+        header('HTTP/1.1 '.$code.' '.$status_string);
+
+        if ($content_type == 'xml') {
+            $this->init_document('xml');
+            $this->elementStart('hash');
+            $this->element('error', null, $msg);
+            $this->element('request', null, $_SERVER['REQUEST_URI']);
+            $this->elementEnd('hash');
+            $this->end_document('xml');
+        } else {
+            $this->init_document('json');
+            $error_array = array('error' => $msg, 'request' => $_SERVER['REQUEST_URI']);
+            print(json_encode($error_array));
+            $this->end_document('json');
+        }
+
+    }
+
+    function init_twitter_rss()
+    {
+        $this->startXML();
+        $this->elementStart('rss', array('version' => '2.0'));
+    }
+
+    function end_twitter_rss()
+    {
+        $this->elementEnd('rss');
+        $this->endXML();
+    }
+
+    function init_twitter_atom()
+    {
+        $this->startXML();
+        $this->elementStart('feed', array('xmlns' => 'http://www.w3.org/2005/Atom', 'xml:lang' => 'en-US'));
+    }
+
+    function end_twitter_atom()
+    {
+        $this->endXML();
+        $this->elementEnd('feed');
+    }
+
+    function show_profile($profile, $content_type='xml', $notice=null)
+    {
+        $profile_array = $this->twitter_user_array($profile, true);
+        switch ($content_type) {
+         case 'xml':
+            $this->show_twitter_xml_user($profile_array);
+            break;
+         case 'json':
+            $this->show_json_objects($profile_array);
+            break;
+         default:
+            $this->client_error(_('Not a supported data format.'));
+            return;
+        }
+        return;
+    }
+
+    function get_user($id, $apidata=null)
+    {
+        if (!$id) {
+            return $apidata['user'];
+        } else if (is_numeric($id)) {
+            return User::staticGet($id);
+        } else {
+            $nickname = common_canonical_nickname($id);
+            return User::staticGet('nickname', $nickname);
+        }
+    }
+
+    function get_profile($id)
+    {
+        if (is_numeric($id)) {
+            return Profile::staticGet($id);
+        } else {
+            $user = User::staticGet('nickname', $id);
+            if ($user) {
+                return $user->getProfile();
+            } else {
+                return null;
+            }
+        }
+    }
+
+    function source_link($source)
+    {
+        $source_name = _($source);
+        switch ($source) {
+         case 'web':
+         case 'xmpp':
+         case 'mail':
+         case 'omb':
+         case 'api':
+            break;
+         default:
+            $ns = Notice_source::staticGet($source);
+            if ($ns) {
+                $source_name = '<a href="' . $ns->url . '">' . $ns->name . '</a>';
+            }
+            break;
+        }
+        return $source_name;
+    }
+
+    function show_extended_profile($user, $apidata)
+    {
+
+        $this->auth_user = $apidata['user'];
+
+        $profile = $user->getProfile();
+
+        if (!$profile) {
+            common_server_error(_('User has no profile.'));
+            return;
+        }
+
+        $twitter_user = $this->twitter_user_array($profile, true);
+
+        // Add in extended user fields offered up by this method
+        $twitter_user['created_at'] = $this->date_twitter($profile->created);
+
+        $subbed = DB_DataObject::factory('subscription');
+        $subbed->subscriber = $profile->id;
+        $subbed_count = (int) $subbed->count() - 1;
+
+        $notices = DB_DataObject::factory('notice');
+        $notices->profile_id = $profile->id;
+        $notice_count = (int) $notices->count();
+
+        $twitter_user['friends_count'] = (is_int($subbed_count)) ? $subbed_count : 0;
+        $twitter_user['statuses_count'] = (is_int($notice_count)) ? $notice_count : 0;
+
+        // Other fields Twitter sends...
+        $twitter_user['profile_background_color'] = '';
+        $twitter_user['profile_text_color'] = '';
+        $twitter_user['profile_link_color'] = '';
+        $twitter_user['profile_sidebar_fill_color'] = '';
+
+        $faves = DB_DataObject::factory('fave');
+        $faves->user_id = $user->id;
+        $faves_count = (int) $faves->count();
+        $twitter_user['favourites_count'] = $faves_count;
+
+        $timezone = 'UTC';
+
+        if ($user->timezone) {
+            $timezone = $user->timezone;
+        }
+
+        $t = new DateTime;
+        $t->setTimezone(new DateTimeZone($timezone));
+        $twitter_user['utc_offset'] = $t->format('Z');
+        $twitter_user['time_zone'] = $timezone;
+
+        $following = 'false';
+
+        if (isset($this->auth_user)) {
+            if ($this->auth_user->isSubscribed($profile)) {
+                $following = 'true';
+            }
+
+            // Not implemented yet
+            $twitter_user['notifications'] = 'false';
+        }
+
+        $twitter_user['following'] = $following;
+
+        if ($apidata['content-type'] == 'xml') {
+            $this->init_document('xml');
+            $this->show_twitter_xml_user($twitter_user);
+            $this->end_document('xml');
+        } elseif ($apidata['content-type'] == 'json') {
+            $this->init_document('json');
+            $this->show_json_objects($twitter_user);
+            $this->end_document('json');
+        }
+
+    }
+
+}