forked from GNUsocial/gnu-social
207 lines
8.6 KiB
PHP
207 lines
8.6 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* StatusNet-only extensions to the Twitter-like API
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*
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* PHP version 5
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*
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* LICENCE: 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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* @category Twitter
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* @package StatusNet
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @copyright 2008 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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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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/**
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* Oembed provider implementation
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*
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* This class handles all /main/oembed(.xml|.json)/ requests.
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*
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* @category oEmbed
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* @package StatusNet
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* @author Craig Andrews <candrews@integralblue.com>
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* @copyright 2008 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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class OembedAction extends Action
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{
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function handle($args)
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{
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common_debug("in oembed api action");
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$url = $args['url'];
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if( substr(strtolower($url),0,strlen(common_root_url())) == strtolower(common_root_url()) ){
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$path = substr($url,strlen(common_root_url()));
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$r = Router::get();
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$proxy_args = $r->map($path);
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if (!$proxy_args) {
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$this->serverError(_("$path not found"), 404);
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}
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$oembed=array();
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$oembed['version']='1.0';
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$oembed['provider_name']=common_config('site', 'name');
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$oembed['provider_url']=common_root_url();
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switch($proxy_args['action']){
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case 'shownotice':
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$oembed['type']='link';
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$id = $proxy_args['notice'];
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$notice = Notice::staticGet($id);
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if(empty($notice)){
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$this->serverError(_("notice $id not found"), 404);
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}
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$profile = $notice->getProfile();
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if (empty($profile)) {
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$this->serverError(_('Notice has no profile'), 500);
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}
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if (!empty($profile->fullname)) {
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$authorname = $profile->fullname . ' (' . $profile->nickname . ')';
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} else {
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$authorname = $profile->nickname;
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}
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$oembed['title'] = sprintf(_('%1$s\'s status on %2$s'),
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$authorname,
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common_exact_date($notice->created));
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$oembed['author_name']=$authorname;
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$oembed['author_url']=$profile->profileurl;
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$oembed['url']=($notice->url?$notice->url:$notice->uri);
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$oembed['html']=$notice->rendered;
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break;
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case 'attachment':
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$id = $proxy_args['attachment'];
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$attachment = File::staticGet($id);
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if(empty($attachment)){
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$this->serverError(_("attachment $id not found"), 404);
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}
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if(empty($attachment->filename) && $file_oembed = File_oembed::staticGet('file_id', $attachment->id)){
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// Proxy the existing oembed information
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$oembed['type']=$file_oembed->type;
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$oembed['provider']=$file_oembed->provider;
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$oembed['provider_url']=$file_oembed->provider_url;
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$oembed['width']=$file_oembed->width;
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$oembed['height']=$file_oembed->height;
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$oembed['html']=$file_oembed->html;
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$oembed['title']=$file_oembed->title;
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$oembed['author_name']=$file_oembed->author_name;
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$oembed['author_url']=$file_oembed->author_url;
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$oembed['url']=$file_oembed->url;
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}else if(substr($attachment->mimetype,0,strlen('image/'))=='image/'){
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$oembed['type']='photo';
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//TODO set width and height
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//$oembed['width']=
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//$oembed['height']=
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$oembed['url']=$attachment->url;
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}else{
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$oembed['type']='link';
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$oembed['url']=common_local_url('attachment',
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array('attachment' => $attachment->id));
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}
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if($attachment->title) $oembed['title']=$attachment->title;
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break;
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default:
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$this->serverError(_("$path not supported for oembed requests"), 501);
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}
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switch($args['format']){
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case 'xml':
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$this->init_document('xml');
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$this->elementStart('oembed');
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$this->element('version',null,$oembed['version']);
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$this->element('type',null,$oembed['type']);
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if($oembed['provider_name']) $this->element('provider_name',null,$oembed['provider_name']);
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if($oembed['provider_url']) $this->element('provider_url',null,$oembed['provider_url']);
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if($oembed['title']) $this->element('title',null,$oembed['title']);
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if($oembed['author_name']) $this->element('author_name',null,$oembed['author_name']);
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if($oembed['author_url']) $this->element('author_url',null,$oembed['author_url']);
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if($oembed['url']) $this->element('url',null,$oembed['url']);
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if($oembed['html']) $this->element('html',null,$oembed['html']);
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if($oembed['width']) $this->element('width',null,$oembed['width']);
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if($oembed['height']) $this->element('height',null,$oembed['height']);
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if($oembed['cache_age']) $this->element('cache_age',null,$oembed['cache_age']);
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if($oembed['thumbnail_url']) $this->element('thumbnail_url',null,$oembed['thumbnail_url']);
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if($oembed['thumbnail_width']) $this->element('thumbnail_width',null,$oembed['thumbnail_width']);
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if($oembed['thumbnail_height']) $this->element('thumbnail_height',null,$oembed['thumbnail_height']);
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$this->elementEnd('oembed');
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$this->end_document('xml');
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break;
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case 'json': case '':
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$this->init_document('json');
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print(json_encode($oembed));
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$this->end_document('json');
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break;
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default:
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$this->serverError(_('content type ' . $apidata['content-type'] . ' not supported'), 501);
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}
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}else{
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$this->serverError(_('Only ' . common_root_url() . ' urls over plain http please'), 404);
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}
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}
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function init_document($type)
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{
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switch ($type) {
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case 'xml':
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header('Content-Type: application/xml; charset=utf-8');
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$this->startXML();
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break;
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case 'json':
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header('Content-Type: application/json; charset=utf-8');
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// Check for JSONP callback
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$callback = $this->arg('callback');
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if ($callback) {
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print $callback . '(';
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}
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break;
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default:
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$this->serverError(_('Not a supported data format.'), 501);
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break;
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}
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}
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function end_document($type='xml')
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{
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switch ($type) {
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case 'xml':
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$this->endXML();
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break;
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case 'json':
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// Check for JSONP callback
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$callback = $this->arg('callback');
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if ($callback) {
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print ')';
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}
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break;
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default:
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$this->serverError(_('Not a supported data format.'), 501);
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break;
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}
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return;
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}
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}
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