forked from GNUsocial/gnu-social
		
	
		
			
				
	
	
		
			1004 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			1004 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/*
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 * Laconica - a distributed open-source microblogging tool
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 * Copyright (C) 2008, 2009, Control Yourself, Inc.
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU Affero General Public License as published by
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 * the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU Affero General Public License for more details.
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 *
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 * You should have received a copy of the GNU Affero General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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if (!defined('LACONICA')) {
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    exit(1);
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}
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class TwitterapiAction extends Action
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{
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    var $auth_user;
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    /**
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     * Initialization.
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     *
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     * @param array $args Web and URL arguments
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     *
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     * @return boolean false if user doesn't exist
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     */
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    function prepare($args)
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    {
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        parent::prepare($args);
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        return true;
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    }
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    /**
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     * Handle a request
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     *
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     * @param array $args Arguments from $_REQUEST
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     *
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     * @return void
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     */
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    function handle($args)
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    {
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        parent::handle($args);
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    }
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    /**
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     * Overrides XMLOutputter::element to write booleans as strings (true|false).
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     * See that method's documentation for more info.
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     *
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     * @param string $tag     Element type or tagname
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     * @param array  $attrs   Array of element attributes, as
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     *                        key-value pairs
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     * @param string $content string content of the element
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     *
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     * @return void
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     */
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    function element($tag, $attrs=null, $content=null)
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    {
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        if (is_bool($content)) {
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            $content = ($content ? 'true' : 'false');
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        }
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        return parent::element($tag, $attrs, $content);
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    }
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    function twitter_user_array($profile, $get_notice=false)
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    {
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        $twitter_user = array();
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        $twitter_user['id'] = intval($profile->id);
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        $twitter_user['name'] = $profile->getBestName();
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        $twitter_user['screen_name'] = $profile->nickname;
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        $twitter_user['location'] = ($profile->location) ? $profile->location : null;
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        $twitter_user['description'] = ($profile->bio) ? $profile->bio : null;
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        $avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
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        $twitter_user['profile_image_url'] = ($avatar) ? $avatar->displayUrl() :
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            Avatar::defaultImage(AVATAR_STREAM_SIZE);
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        $twitter_user['url'] = ($profile->homepage) ? $profile->homepage : null;
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        $twitter_user['protected'] = false; # not supported by Laconica yet
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        $twitter_user['followers_count'] = $profile->subscriberCount();
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        // To be supported soon...
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        $twitter_user['profile_background_color'] = '';
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        $twitter_user['profile_text_color'] = '';
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        $twitter_user['profile_link_color'] = '';
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        $twitter_user['profile_sidebar_fill_color'] = '';
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        $twitter_user['profile_sidebar_border_color'] = '';
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        $twitter_user['friends_count'] = $profile->subscriptionCount();
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        $twitter_user['created_at'] = $this->date_twitter($profile->created);
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        $twitter_user['favourites_count'] = $profile->faveCount(); // British spelling!
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        // Need to pull up the user for some of this
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        $user = User::staticGet($profile->id);
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        $timezone = 'UTC';
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        if ($user->timezone) {
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            $timezone = $user->timezone;
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        }
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        $t = new DateTime;
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        $t->setTimezone(new DateTimeZone($timezone));
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        $twitter_user['utc_offset'] = $t->format('Z');
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        $twitter_user['time_zone'] = $timezone;
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        // To be supported some day, perhaps
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        $twitter_user['profile_background_image_url'] = '';
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        $twitter_user['profile_background_tile'] = false;
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        $twitter_user['statuses_count'] = $profile->noticeCount();
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        // Is the requesting user following this user?
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        $twitter_user['following'] = false;
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        $twitter_user['notifications'] = false;
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        if (isset($apidata['user'])) {
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            $twitter_user['following'] = $apidata['user']->isSubscribed($profile);
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            // Notifications on?
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            $sub = Subscription::pkeyGet(array('subscriber' =>
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                $apidata['user']->id, 'subscribed' => $profile->id));
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            if ($sub) {
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                $twitter_user['notifications'] = ($sub->jabber || $sub->sms);
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            }
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        }
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        if ($get_notice) {
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            $notice = $profile->getCurrentNotice();
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            if ($notice) {
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                # don't get user!
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                $twitter_user['status'] = $this->twitter_status_array($notice, false);
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            }
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        }
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        return $twitter_user;
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    }
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    function twitter_status_array($notice, $include_user=true)
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    {
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        $profile = $notice->getProfile();
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        $twitter_status = array();
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        $twitter_status['text'] = $notice->content;
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        $twitter_status['truncated'] = false; # Not possible on Laconica
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        $twitter_status['created_at'] = $this->date_twitter($notice->created);
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        $twitter_status['in_reply_to_status_id'] = ($notice->reply_to) ?
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            intval($notice->reply_to) : null;
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        $twitter_status['source'] = $this->source_link($notice->source);
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        $twitter_status['id'] = intval($notice->id);
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        $replier_profile = null;
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        if ($notice->reply_to) {
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            $reply = Notice::staticGet(intval($notice->reply_to));
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            if ($reply) {
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                $replier_profile = $reply->getProfile();
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            }
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        }
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        $twitter_status['in_reply_to_user_id'] =
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            ($replier_profile) ? intval($replier_profile->id) : null;
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        $twitter_status['in_reply_to_screen_name'] =
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            ($replier_profile) ? $replier_profile->nickname : null;
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        if (isset($this->auth_user)) {
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            $twitter_status['favorited'] = $this->auth_user->hasFave($notice);
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        } else {
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            $twitter_status['favorited'] = false;
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        }
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        // Enclosures
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        $attachments = $notice->attachments();
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        $enclosures = array();
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        foreach ($attachments as $attachment) {
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            if ($attachment->isEnclosure()) {
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                 $enclosure = array();
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                 $enclosure['url'] = $attachment->url;
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                 $enclosure['mimetype'] = $attachment->mimetype;
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                 $enclosure['size'] = $attachment->size;
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                 $enclosures[] = $enclosure;
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            }
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        }
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        if (!empty($enclosures)) {
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            $twitter_status['attachments'] = $enclosures;
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        }
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        if ($include_user) {
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            # Don't get notice (recursive!)
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            $twitter_user = $this->twitter_user_array($profile, false);
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            $twitter_status['user'] = $twitter_user;
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        }
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        return $twitter_status;
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    }
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    function twitter_group_array($group)
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    {
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        $twitter_group=array();
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        $twitter_group['id']=$group->id;
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        $twitter_group['url']=$group->permalink();
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        $twitter_group['nickname']=$group->nickname;
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        $twitter_group['fullname']=$group->fullname;
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        $twitter_group['homepage_url']=$group->homepage_url;
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        $twitter_group['original_logo']=$group->original_logo;
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        $twitter_group['homepage_logo']=$group->homepage_logo;
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        $twitter_group['stream_logo']=$group->stream_logo;
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        $twitter_group['mini_logo']=$group->mini_logo;
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        $twitter_group['homepage']=$group->homepage;
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        $twitter_group['description']=$group->description;
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        $twitter_group['location']=$group->location;
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        $twitter_group['created']=$this->date_twitter($group->created);
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        $twitter_group['modified']=$this->date_twitter($group->modified);
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        return $twitter_group;
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    }
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    function twitter_rss_entry_array($notice)
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    {
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        $profile = $notice->getProfile();
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        $entry = array();
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        // We trim() to avoid extraneous whitespace in the output
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        $entry['content'] = common_xml_safe_str(trim($notice->rendered));
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        $entry['title'] = $profile->nickname . ': ' . common_xml_safe_str(trim($notice->content));
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        $entry['link'] = common_local_url('shownotice', array('notice' => $notice->id));
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        $entry['published'] = common_date_iso8601($notice->created);
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        $taguribase = common_config('integration', 'taguri');
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        $entry['id'] = "tag:$taguribase:$entry[link]";
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        $entry['updated'] = $entry['published'];
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        $entry['author'] = $profile->getBestName();
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        // Enclosures
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        $attachments = $notice->attachments();
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        $enclosures = array();
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        foreach ($attachments as $attachment) {
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            if ($attachment->isEnclosure()) {
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                 $enclosure = array();
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                 $enclosure['url'] = $attachment->url;
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                 $enclosure['mimetype'] = $attachment->mimetype;
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                 $enclosure['size'] = $attachment->size;
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                 $enclosures[] = $enclosure;
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            }
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        }
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        if (!empty($enclosures)) {
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            $entry['enclosures'] = $enclosures;
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        }
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/*
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        // Enclosure
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        $attachments = $notice->attachments();
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        if($attachments){
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            $entry['enclosures']=array();
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            foreach($attachments as $attachment){
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                if ($attachment->isEnclosure()) {
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                    $enclosure=array();
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                    $enclosure['url']=$attachment->url;
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                    $enclosure['mimetype']=$attachment->mimetype;
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                    $enclosure['size']=$attachment->size;
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                    $entry['enclosures'][]=$enclosure;
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                }
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            }
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        }
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*/
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        // Tags/Categories
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        $tag = new Notice_tag();
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        $tag->notice_id = $notice->id;
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        if ($tag->find()) {
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            $entry['tags']=array();
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            while ($tag->fetch()) {
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                $entry['tags'][]=$tag->tag;
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            }
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        }
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        $tag->free();
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        // RSS Item specific
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        $entry['description'] = $entry['content'];
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        $entry['pubDate'] = common_date_rfc2822($notice->created);
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        $entry['guid'] = $entry['link'];
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        return $entry;
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    }
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    function twitter_rss_dmsg_array($message)
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    {
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        $entry = array();
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        $entry['title'] = sprintf('Message from %s to %s',
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            $message->getFrom()->nickname, $message->getTo()->nickname);
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        $entry['content'] = common_xml_safe_str(trim($message->content));
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        $entry['link'] = common_local_url('showmessage', array('message' => $message->id));
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        $entry['published'] = common_date_iso8601($message->created);
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        $taguribase = common_config('integration', 'taguri');
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        $entry['id'] = "tag:$taguribase,:$entry[link]";
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        $entry['updated'] = $entry['published'];
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        $entry['author'] = $message->getFrom()->getBestName();
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        # RSS Item specific
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        $entry['description'] = $entry['content'];
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        $entry['pubDate'] = common_date_rfc2822($message->created);
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        $entry['guid'] = $entry['link'];
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        return $entry;
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    }
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    function twitter_dmsg_array($message)
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    {
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        $twitter_dm = array();
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        $from_profile = $message->getFrom();
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        $to_profile = $message->getTo();
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        $twitter_dm['id'] = $message->id;
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        $twitter_dm['sender_id'] = $message->from_profile;
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        $twitter_dm['text'] = trim($message->content);
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        $twitter_dm['recipient_id'] = $message->to_profile;
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        $twitter_dm['created_at'] = $this->date_twitter($message->created);
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        $twitter_dm['sender_screen_name'] = $from_profile->nickname;
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        $twitter_dm['recipient_screen_name'] = $to_profile->nickname;
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        $twitter_dm['sender'] = $this->twitter_user_array($from_profile, false);
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        $twitter_dm['recipient'] = $this->twitter_user_array($to_profile, false);
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        return $twitter_dm;
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    }
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    function twitter_relationship_array($source, $target)
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    {
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        $relationship = array();
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        $relationship['source'] =
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            $this->relationship_details_array($source, $target);
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        $relationship['target'] =
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            $this->relationship_details_array($target, $source);
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        return array('relationship' => $relationship);
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    }
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    function relationship_details_array($source, $target)
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    {
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        $details = array();
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        $details['screen_name'] = $source->nickname;
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        $details['followed_by'] = $target->isSubscribed($source);
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        $details['following'] = $source->isSubscribed($target);
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        $notifications = false;
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        if ($source->isSubscribed($target)) {
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            $sub = Subscription::pkeyGet(array('subscriber' =>
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                $source->id, 'subscribed' => $target->id));
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            if (!empty($sub)) {
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                $notifications = ($sub->jabber || $sub->sms);
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            }
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        }
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        $details['notifications_enabled'] = $notifications;
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        $details['blocking'] = $source->hasBlocked($target);
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        $details['id'] = $source->id;
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        return $details;
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    }
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    function show_twitter_xml_relationship($relationship)
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    {
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        $this->elementStart('relationship');
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        foreach($relationship as $element => $value) {
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            if ($element == 'source' || $element == 'target') {
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                $this->elementStart($element);
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                $this->show_xml_relationship_details($value);
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                $this->elementEnd($element);
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            }
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        }
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        $this->elementEnd('relationship');
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    }
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    function show_xml_relationship_details($details)
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    {
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        foreach($details as $element => $value) {
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            $this->element($element, null, $value);
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        }
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    }
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    function show_twitter_xml_status($twitter_status)
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    {
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        $this->elementStart('status');
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        foreach($twitter_status as $element => $value) {
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            switch ($element) {
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            case 'user':
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                $this->show_twitter_xml_user($twitter_status['user']);
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                break;
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            case 'text':
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                $this->element($element, null, common_xml_safe_str($value));
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                break;
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            case 'attachments':
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                $this->show_xml_attachments($twitter_status['attachments']);
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                break;
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            default:
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                $this->element($element, null, $value);
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            }
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        }
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        $this->elementEnd('status');
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    }
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    function show_twitter_xml_group($twitter_group)
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    {
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        $this->elementStart('group');
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        foreach($twitter_group as $element => $value) {
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            $this->element($element, null, $value);
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        }
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        $this->elementEnd('group');
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    }
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    function show_twitter_xml_user($twitter_user, $role='user')
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    {
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        $this->elementStart($role);
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        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_xml_attachments($attachments) {
 | 
						|
        if (!empty($attachments)) {
 | 
						|
            $this->elementStart('attachments', array('type' => 'array'));
 | 
						|
            foreach ($attachments as $attachment) {
 | 
						|
                $attrs = array();
 | 
						|
                $attrs['url'] = $attachment['url'];
 | 
						|
                $attrs['mimetype'] = $attachment['mimetype'];
 | 
						|
                $attrs['size'] = $attachment['size'];
 | 
						|
                $this->element('enclosure', $attrs, '');
 | 
						|
            }
 | 
						|
            $this->elementEnd('attachments');
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    function show_twitter_rss_item($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']);
 | 
						|
 | 
						|
        # RSS only supports 1 enclosure per item
 | 
						|
        if(array_key_exists('enclosures', $entry) and !empty($entry['enclosures'])){
 | 
						|
            $enclosure = $entry['enclosures'][0];
 | 
						|
            $this->element('enclosure', array('url'=>$enclosure['url'],'type'=>$enclosure['mimetype'],'length'=>$enclosure['size']), null);
 | 
						|
        }
 | 
						|
        
 | 
						|
        if(array_key_exists('tags', $entry)){
 | 
						|
            foreach($entry['tags'] as $tag){
 | 
						|
                $this->element('category', null,$tag);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        $this->elementEnd('item');
 | 
						|
    }
 | 
						|
 | 
						|
    function show_json_objects($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, $selfuri=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' => $suplink,
 | 
						|
                                         'type' => 'application/json'));
 | 
						|
        }
 | 
						|
 | 
						|
        if (!is_null($selfuri)) {
 | 
						|
            $this->element('link', array('href' => $selfuri,
 | 
						|
                'rel' => 'self', 'type' => 'application/atom+xml'), null);
 | 
						|
        }
 | 
						|
 | 
						|
        $this->element('updated', null, common_date_iso8601('now'));
 | 
						|
        $this->element('subtitle', null, $subtitle);
 | 
						|
 | 
						|
        if (is_array($notice)) {
 | 
						|
            foreach ($notice as $n) {
 | 
						|
                $this->raw($n->asAtomEntry());
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            while ($notice->fetch()) {
 | 
						|
                $this->raw($notice->asAtomEntry());
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        $this->end_document('atom');
 | 
						|
 | 
						|
    }
 | 
						|
 | 
						|
    function show_json_timeline($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);
 | 
						|
 | 
						|
        $this->end_document('json');
 | 
						|
    }
 | 
						|
 | 
						|
    function show_single_json_group($group)
 | 
						|
    {
 | 
						|
        $this->init_document('json');
 | 
						|
        $twitter_group = $this->twitter_group_array($group);
 | 
						|
        $this->show_json_objects($twitter_group);
 | 
						|
        $this->end_document('json');
 | 
						|
    }
 | 
						|
 | 
						|
    function show_single_xml_group($group)
 | 
						|
    {
 | 
						|
        $this->init_document('xml');
 | 
						|
        $twitter_group = $this->twitter_group_array($group);
 | 
						|
        $this->show_twitter_xml_group($twitter_group);
 | 
						|
        $this->end_document('xml');
 | 
						|
    }
 | 
						|
 | 
						|
    // Anyone know what date format this is?
 | 
						|
    // Twitter's dates look like this: "Mon Jul 14 23:52:38 +0000 2008" -- Zach
 | 
						|
    function date_twitter($dt)
 | 
						|
    {
 | 
						|
        $t = strtotime($dt);
 | 
						|
        return date("D M d H:i:s O Y", $t);
 | 
						|
    }
 | 
						|
 | 
						|
    // XXX: Candidate for a general utility method somewhere?
 | 
						|
    function count_subscriptions($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:
 | 
						|
            $this->clientError(_('Not a supported data format.'));
 | 
						|
            break;
 | 
						|
        }
 | 
						|
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    function end_document($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:
 | 
						|
            $this->clientError(_('Not a supported data format.'));
 | 
						|
            break;
 | 
						|
        }
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    function clientError($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();
 | 
						|
        // FIXME: don't hardcode the language here!
 | 
						|
        $this->elementStart('feed', array('xmlns' => 'http://www.w3.org/2005/Atom',
 | 
						|
                                          'xml:lang' => 'en-US',
 | 
						|
                                          'xmlns:thr' => 'http://purl.org/syndication/thread/1.0'));
 | 
						|
    }
 | 
						|
 | 
						|
    function end_twitter_atom()
 | 
						|
    {
 | 
						|
        $this->elementEnd('feed');
 | 
						|
        $this->endXML();
 | 
						|
    }
 | 
						|
 | 
						|
    function show_profile($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:
 | 
						|
            $this->clientError(_('Not a supported data format.'));
 | 
						|
            return;
 | 
						|
        }
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    function get_user($id, $apidata=null)
 | 
						|
    {
 | 
						|
        if (empty($id)) {
 | 
						|
 | 
						|
            // Twitter supports these other ways of passing the user ID
 | 
						|
            if (is_numeric($this->arg('id'))) {
 | 
						|
                return User::staticGet($this->arg('id'));
 | 
						|
            } else if ($this->arg('id')) {
 | 
						|
                $nickname = common_canonical_nickname($this->arg('id'));
 | 
						|
                return User::staticGet('nickname', $nickname);
 | 
						|
            } else if ($this->arg('user_id')) {
 | 
						|
                // This is to ensure that a non-numeric user_id still
 | 
						|
                // overrides screen_name even if it doesn't get used
 | 
						|
                if (is_numeric($this->arg('user_id'))) {
 | 
						|
                    return User::staticGet('id', $this->arg('user_id'));
 | 
						|
                }
 | 
						|
            } else if ($this->arg('screen_name')) {
 | 
						|
                $nickname = common_canonical_nickname($this->arg('screen_name'));
 | 
						|
                return User::staticGet('nickname', $nickname);
 | 
						|
            } else {
 | 
						|
                // Fall back to trying the currently authenticated user
 | 
						|
                return $apidata['user'];
 | 
						|
            }
 | 
						|
 | 
						|
        } else if (is_numeric($id)) {
 | 
						|
            return User::staticGet($id);
 | 
						|
        } else {
 | 
						|
            $nickname = common_canonical_nickname($id);
 | 
						|
            return User::staticGet('nickname', $nickname);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    function get_group($id, $apidata=null)
 | 
						|
    {
 | 
						|
        if (empty($id)) {
 | 
						|
 | 
						|
            if (is_numeric($this->arg('id'))) {
 | 
						|
                return User_group::staticGet($this->arg('id'));
 | 
						|
            } else if ($this->arg('id')) {
 | 
						|
                $nickname = common_canonical_nickname($this->arg('id'));
 | 
						|
                return User_group::staticGet('nickname', $nickname);
 | 
						|
            } else if ($this->arg('group_id')) {
 | 
						|
                // This is to ensure that a non-numeric user_id still
 | 
						|
                // overrides screen_name even if it doesn't get used
 | 
						|
                if (is_numeric($this->arg('group_id'))) {
 | 
						|
                    return User_group::staticGet('id', $this->arg('group_id'));
 | 
						|
                }
 | 
						|
            } else if ($this->arg('group_name')) {
 | 
						|
                $nickname = common_canonical_nickname($this->arg('group_name'));
 | 
						|
                return User_group::staticGet('nickname', $nickname);
 | 
						|
            }
 | 
						|
 | 
						|
        } else if (is_numeric($id)) {
 | 
						|
            return User_group::staticGet($id);
 | 
						|
        } else {
 | 
						|
            $nickname = common_canonical_nickname($id);
 | 
						|
            return User_group::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;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Returns query argument or default value if not found. Certain
 | 
						|
     * parameters used throughout the API are lightly scrubbed and
 | 
						|
     * bounds checked.  This overrides Action::arg().
 | 
						|
     *
 | 
						|
     * @param string $key requested argument
 | 
						|
     * @param string $def default value to return if $key is not provided
 | 
						|
     *
 | 
						|
     * @return var $var
 | 
						|
     */
 | 
						|
    function arg($key, $def=null)
 | 
						|
    {
 | 
						|
 | 
						|
        // XXX: Do even more input validation/scrubbing?
 | 
						|
 | 
						|
        if (array_key_exists($key, $this->args)) {
 | 
						|
            switch($key) {
 | 
						|
            case 'page':
 | 
						|
                $page = (int)$this->args['page'];
 | 
						|
                return ($page < 1) ? 1 : $page;
 | 
						|
            case 'count':
 | 
						|
                $count = (int)$this->args['count'];
 | 
						|
                if ($count < 1) {
 | 
						|
                    return 20;
 | 
						|
                } elseif ($count > 200) {
 | 
						|
                    return 200;
 | 
						|
                } else {
 | 
						|
                    return $count;
 | 
						|
                }
 | 
						|
            case 'since_id':
 | 
						|
                $since_id = (int)$this->args['since_id'];
 | 
						|
                return ($since_id < 1) ? 0 : $since_id;
 | 
						|
            case 'max_id':
 | 
						|
                $max_id = (int)$this->args['max_id'];
 | 
						|
                return ($max_id < 1) ? 0 : $max_id;
 | 
						|
            case 'since':
 | 
						|
                return strtotime($this->args['since']);
 | 
						|
            default:
 | 
						|
                return parent::arg($key, $def);
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            return $def;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
}
 |