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-rw-r--r--actions/oembed.php206
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diff --git a/actions/oembed.php b/actions/oembed.php
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+<?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);
+}
+
+/**
+ * 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 OembedAction extends Action
+{
+
+ function handle($args)
+ {
+ common_debug("in oembed api action");
+
+ $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($args['format']){
+ 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': case '':
+ $this->init_document('json');
+ print(json_encode($oembed));
+ $this->end_document('json');
+ break;
+ default:
+ $this->serverError(_('content type ' . $apidata['content-type'] . ' not supported'), 501);
+ }
+ }else{
+ $this->serverError(_('Only ' . common_root_url() . ' urls over plain http please'), 404);
+ }
+ }
+
+ function init_document($type)
+ {
+ 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;
+ default:
+ $this->serverError(_('Not a supported data format.'), 501);
+ break;
+ }
+ }
+
+ function end_document($type='xml')
+ {
+ switch ($type) {
+ case 'xml':
+ $this->endXML();
+ break;
+ case 'json':
+ // Check for JSONP callback
+ $callback = $this->arg('callback');
+ if ($callback) {
+ print ')';
+ }
+ break;
+ default:
+ $this->serverError(_('Not a supported data format.'), 501);
+ break;
+ }
+ return;
+ }
+
+}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-05 09:59:23 +0000