3 * StatusNet, the distributed open-source microblogging tool
5 * oEmbed data action for /main/oembed(.xml|.json) requests
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 if (!defined('GNUSOCIAL')) { exit(1); }
26 * Oembed provider implementation
28 * This class handles all /main/oembed(.xml|.json)/ requests.
32 * @author Craig Andrews <candrews@integralblue.com>
33 * @author Mikael Nordfeldth <mmn@hethane.se>
34 * @copyright 2008 StatusNet, Inc.
35 * @copyright 2014 Free Software Foundation, Inc.
36 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
37 * @link http://status.net/
40 class OembedAction extends Action
42 protected function handle()
46 $url = $this->trimmed('url');
47 if (substr(strtolower($url),0,strlen(common_root_url())) == strtolower(common_root_url())) {
48 $path = substr($url,strlen(common_root_url()));
52 $proxy_args = $r->map($path);
54 // TRANS: Client error displayed in oEmbed action when path not found.
55 // TRANS: %s is a path.
56 $this->clientError(sprintf(_('"%s" not found.'),$path), 404);
60 $oembed['version']='1.0';
61 $oembed['provider_name']=common_config('site', 'name');
62 $oembed['provider_url']=common_root_url();
64 switch ($proxy_args['action']) {
66 $oembed['type']='link';
67 $id = $proxy_args['notice'];
68 $notice = Notice::getKV($id);
70 // TRANS: Client error displayed in oEmbed action when notice not found.
71 // TRANS: %s is a notice.
72 $this->clientError(sprintf(_("Notice %s not found."),$id), 404);
74 $profile = $notice->getProfile();
75 if (empty($profile)) {
76 // TRANS: Server error displayed in oEmbed action when notice has not profile.
77 $this->serverError(_('Notice has no profile.'), 500);
79 $authorname = $profile->getFancyName();
80 // TRANS: oEmbed title. %1$s is the author name, %2$s is the creation date.
81 $oembed['title'] = sprintf(_('%1$s\'s status on %2$s'),
83 common_exact_date($notice->created));
84 $oembed['author_name']=$authorname;
85 $oembed['author_url']=$profile->profileurl;
86 $oembed['url']=$notice->getUrl();
87 $oembed['html']=$notice->rendered;
91 $id = $proxy_args['attachment'];
92 $attachment = File::getKV($id);
93 if(empty($attachment)){
94 // TRANS: Client error displayed in oEmbed action when attachment not found.
95 // TRANS: %d is an attachment ID.
96 $this->clientError(sprintf(_('Attachment %s not found.'),$id), 404);
98 if (empty($attachment->filename) && $file_oembed = File_oembed::getKV('file_id', $attachment->id)) {
99 // Proxy the existing oembed information
100 $oembed['type']=$file_oembed->type;
101 $oembed['provider']=$file_oembed->provider;
102 $oembed['provider_url']=$file_oembed->provider_url;
103 $oembed['width']=$file_oembed->width;
104 $oembed['height']=$file_oembed->height;
105 $oembed['html']=$file_oembed->html;
106 $oembed['title']=$file_oembed->title;
107 $oembed['author_name']=$file_oembed->author_name;
108 $oembed['author_url']=$file_oembed->author_url;
109 $oembed['url']=$file_oembed->getUrl();
110 } elseif (substr($attachment->mimetype,0,strlen('image/'))==='image/') {
111 $oembed['type']='photo';
112 if ($attachment->filename) {
113 $filepath = File::path($attachment->filename);
114 $gis = @getimagesize($filepath);
116 $oembed['width'] = $gis[0];
117 $oembed['height'] = $gis[1];
119 // TODO Either throw an error or find a fallback?
122 $oembed['url']=$attachment->getUrl();
124 $thumb = $attachment->getThumbnail();
125 $oembed['thumbnail_url'] = $thumb->getUrl();
126 $oembed['thumbnail_width'] = $thumb->width;
127 $oembed['thumbnail_height'] = $thumb->height;
129 } catch (UnsupportedMediaException $e) {
130 // No thumbnail data available
133 $oembed['type']='link';
134 $oembed['url']=common_local_url('attachment',
135 array('attachment' => $attachment->id));
137 if ($attachment->title) {
138 $oembed['title']=$attachment->title;
142 // TRANS: Server error displayed in oEmbed request when a path is not supported.
143 // TRANS: %s is a path.
144 $this->serverError(sprintf(_('"%s" not supported for oembed requests.'),$path), 501);
146 switch ($this->trimmed('format')) {
148 $this->init_document('xml');
149 $this->elementStart('oembed');
151 'version', 'type', 'provider_name',
152 'provider_url', 'title', 'author_name',
153 'author_url', 'url', 'html', 'width',
154 'height', 'cache_age', 'thumbnail_url',
155 'thumbnail_width', 'thumbnail_height',
157 if (isset($oembed[$key]) && $oembed[$key]!='') {
158 $this->element($key, null, $oembed[$key]);
161 $this->elementEnd('oembed');
162 $this->end_document('xml');
167 $this->init_document('json');
168 $this->raw(json_encode($oembed));
169 $this->end_document('json');
172 // TRANS: Error message displaying attachments. %s is a raw MIME type (eg 'image/png')
173 $this->serverError(sprintf(_('Content type %s not supported.'), $apidata['content-type']), 501);
176 // TRANS: Error message displaying attachments. %s is the site's base URL.
177 // FIXME: 404 not found?! (this will automatically become a 500 because it's not a serverError!)
178 $this->serverError(sprintf(_('Only %s URLs over plain HTTP please.'), common_root_url()), 404);
182 public function init_document($type)
186 header('Content-Type: application/xml; charset=utf-8');
190 header('Content-Type: application/json; charset=utf-8');
192 // Check for JSONP callback
193 $callback = $this->arg('callback');
195 print $callback . '(';
199 // TRANS: Server error displayed in oEmbed action when request specifies an unsupported data format.
200 $this->serverError(_('Not a supported data format.'), 501);
205 public function end_document($type)
212 // Check for JSONP callback
213 $callback = $this->arg('callback');
219 // TRANS: Server error displayed in oEmbed action when request specifies an unsupported data format.
220 $this->serverError(_('Not a supported data format.'), 501);
227 * Is this action read-only?
229 * @param array $args other arguments
231 * @return boolean is read only action?
233 function isReadOnly($args)