gnu-social/actions/twitapioembed.php

174 lines
7.7 KiB
PHP

<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* Laconica-only extensions to the Twitter-like API
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Twitter
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @copyright 2008 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
if (!defined('LACONICA')) {
exit(1);
}
require_once INSTALLDIR.'/lib/twitterapi.php';
/**
* Oembed provider implementation
*
* This class handles all /main/oembed(.xml|.json)/ requests.
*
* @category oEmbed
* @package Laconica
* @author Craig Andrews <candrews@integralblue.com>
* @copyright 2008 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
class TwitapioembedAction extends TwitterapiAction
{
function oembed($args, $apidata)
{
parent::handle($args);
common_debug("in oembed api action");
$this->auth_user = $apidata['user'];
$url = $args['url'];
if( substr(strtolower($url),0,strlen(common_root_url())) == strtolower(common_root_url()) ){
$path = substr($url,strlen(common_root_url()));
$r = Router::get();
$proxy_args = $r->map($path);
if (!$proxy_args) {
$this->serverError(_("$path not found"), 404);
}
$oembed=array();
$oembed['version']='1.0';
$oembed['provider_name']=common_config('site', 'name');
$oembed['provider_url']=common_root_url();
switch($proxy_args['action']){
case 'shownotice':
$oembed['type']='link';
$id = $proxy_args['notice'];
$notice = Notice::staticGet($id);
if(empty($notice)){
$this->serverError(_("notice $id not found"), 404);
}
$profile = $notice->getProfile();
if (empty($profile)) {
$this->serverError(_('Notice has no profile'), 500);
}
if (!empty($profile->fullname)) {
$authorname = $profile->fullname . ' (' . $profile->nickname . ')';
} else {
$authorname = $profile->nickname;
}
$oembed['title'] = sprintf(_('%1$s\'s status on %2$s'),
$authorname,
common_exact_date($notice->created));
$oembed['author_name']=$authorname;
$oembed['author_url']=$profile->profileurl;
$oembed['url']=($notice->url?$notice->url:$notice->uri);
$oembed['html']=$notice->rendered;
break;
case 'attachment':
$id = $proxy_args['attachment'];
$attachment = File::staticGet($id);
if(empty($attachment)){
$this->serverError(_("attachment $id not found"), 404);
}
if(empty($attachment->filename) && $file_oembed = File_oembed::staticGet('file_id', $attachment->id)){
// Proxy the existing oembed information
$oembed['type']=$file_oembed->type;
$oembed['provider']=$file_oembed->provider;
$oembed['provider_url']=$file_oembed->provider_url;
$oembed['width']=$file_oembed->width;
$oembed['height']=$file_oembed->height;
$oembed['html']=$file_oembed->html;
$oembed['title']=$file_oembed->title;
$oembed['author_name']=$file_oembed->author_name;
$oembed['author_url']=$file_oembed->author_url;
$oembed['url']=$file_oembed->url;
}else if(substr($attachment->mimetype,0,strlen('image/'))=='image/'){
$oembed['type']='photo';
//TODO set width and height
//$oembed['width']=
//$oembed['height']=
$oembed['url']=$attachment->url;
}else{
$oembed['type']='link';
$oembed['url']=common_local_url('attachment',
array('attachment' => $attachment->id));
}
if($attachment->title) $oembed['title']=$attachment->title;
break;
default:
$this->serverError(_("$path not supported for oembed requests"), 501);
}
switch($apidata['content-type']){
case 'xml':
$this->init_document('xml');
$this->elementStart('oembed');
$this->element('version',null,$oembed['version']);
$this->element('type',null,$oembed['type']);
if($oembed['provider_name']) $this->element('provider_name',null,$oembed['provider_name']);
if($oembed['provider_url']) $this->element('provider_url',null,$oembed['provider_url']);
if($oembed['title']) $this->element('title',null,$oembed['title']);
if($oembed['author_name']) $this->element('author_name',null,$oembed['author_name']);
if($oembed['author_url']) $this->element('author_url',null,$oembed['author_url']);
if($oembed['url']) $this->element('url',null,$oembed['url']);
if($oembed['html']) $this->element('html',null,$oembed['html']);
if($oembed['width']) $this->element('width',null,$oembed['width']);
if($oembed['height']) $this->element('height',null,$oembed['height']);
if($oembed['cache_age']) $this->element('cache_age',null,$oembed['cache_age']);
if($oembed['thumbnail_url']) $this->element('thumbnail_url',null,$oembed['thumbnail_url']);
if($oembed['thumbnail_width']) $this->element('thumbnail_width',null,$oembed['thumbnail_width']);
if($oembed['thumbnail_height']) $this->element('thumbnail_height',null,$oembed['thumbnail_height']);
$this->elementEnd('oembed');
$this->end_document('xml');
break;
case 'json':
$this->init_document('json');
print(json_encode($oembed));
$this->end_document('json');
break;
default:
$this->serverError(_('content type ' . $apidata['content-type'] . ' not supported'), 501);
}
}else{
$this->serverError(_('Only ' . common_root_url() . ' urls over plain http please'), 404);
}
}
}