forked from GNUsocial/gnu-social
238 lines
8.9 KiB
PHP
238 lines
8.9 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet, the distributed open-source microblogging tool
|
|
*
|
|
* oEmbed data action for /main/oembed(.xml|.json) requests
|
|
*
|
|
* 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/>.
|
|
*/
|
|
|
|
if (!defined('GNUSOCIAL')) { exit(1); }
|
|
|
|
/**
|
|
* Oembed provider implementation
|
|
*
|
|
* This class handles all /main/oembed(.xml|.json)/ requests.
|
|
*
|
|
* @category oEmbed
|
|
* @package GNUsocial
|
|
* @author Craig Andrews <candrews@integralblue.com>
|
|
* @author Mikael Nordfeldth <mmn@hethane.se>
|
|
* @copyright 2008 StatusNet, Inc.
|
|
* @copyright 2014 Free Software Foundation, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
|
* @link http://status.net/
|
|
*/
|
|
|
|
class OembedAction extends Action
|
|
{
|
|
protected function handle()
|
|
{
|
|
parent::handle();
|
|
|
|
$url = $this->trimmed('url');
|
|
if (substr(strtolower($url),0,strlen(common_root_url())) !== strtolower(common_root_url())) {
|
|
// TRANS: Error message displaying attachments. %s is the site's base URL.
|
|
$this->clientError(sprintf(_('oEmbed data will only be provided for %s URLs.'), common_root_url()), 400);
|
|
}
|
|
|
|
$path = substr($url,strlen(common_root_url()));
|
|
|
|
$r = Router::get();
|
|
|
|
$proxy_args = $r->map($path);
|
|
if (!$proxy_args) {
|
|
// TRANS: Client error displayed in oEmbed action when path not found.
|
|
// TRANS: %s is a path.
|
|
$this->clientError(sprintf(_('"%s" not found.'),$path), 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'];
|
|
$notice = Notice::getKV($id);
|
|
if(empty($notice)){
|
|
// TRANS: Client error displayed in oEmbed action when notice not found.
|
|
// TRANS: %s is a notice.
|
|
$this->clientError(sprintf(_("Notice %s not found."),$id), 404);
|
|
}
|
|
$profile = $notice->getProfile();
|
|
if (empty($profile)) {
|
|
// TRANS: Server error displayed in oEmbed action when notice has not profile.
|
|
$this->serverError(_('Notice has no profile.'), 500);
|
|
}
|
|
$authorname = $profile->getFancyName();
|
|
// TRANS: oEmbed title. %1$s is the author name, %2$s is the creation date.
|
|
$oembed['title'] = sprintf(_('%1$s\'s status on %2$s'),
|
|
$authorname,
|
|
common_exact_date($notice->created));
|
|
$oembed['author_name']=$authorname;
|
|
$oembed['author_url']=$profile->profileurl;
|
|
$oembed['url']=$notice->getUrl();
|
|
$oembed['html']=$notice->rendered;
|
|
break;
|
|
|
|
case 'attachment':
|
|
$id = $proxy_args['attachment'];
|
|
$attachment = File::getKV($id);
|
|
if(empty($attachment)){
|
|
// TRANS: Client error displayed in oEmbed action when attachment not found.
|
|
// TRANS: %d is an attachment ID.
|
|
$this->clientError(sprintf(_('Attachment %s not found.'),$id), 404);
|
|
}
|
|
if (empty($attachment->filename) && $file_oembed = File_oembed::getKV('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->getUrl();
|
|
} elseif (substr($attachment->mimetype,0,strlen('image/'))==='image/') {
|
|
$oembed['type']='photo';
|
|
if ($attachment->filename) {
|
|
$filepath = File::path($attachment->filename);
|
|
$gis = @getimagesize($filepath);
|
|
if ($gis) {
|
|
$oembed['width'] = $gis[0];
|
|
$oembed['height'] = $gis[1];
|
|
} else {
|
|
// TODO Either throw an error or find a fallback?
|
|
}
|
|
}
|
|
$oembed['url']=$attachment->getUrl();
|
|
try {
|
|
$thumb = $attachment->getThumbnail();
|
|
$oembed['thumbnail_url'] = $thumb->getUrl();
|
|
$oembed['thumbnail_width'] = $thumb->width;
|
|
$oembed['thumbnail_height'] = $thumb->height;
|
|
unset($thumb);
|
|
} catch (UnsupportedMediaException $e) {
|
|
// No thumbnail data available
|
|
}
|
|
} else {
|
|
$oembed['type']='link';
|
|
$oembed['url']=common_local_url('attachment',
|
|
array('attachment' => $attachment->id));
|
|
}
|
|
if ($attachment->title) {
|
|
$oembed['title']=$attachment->title;
|
|
}
|
|
break;
|
|
default:
|
|
// TRANS: Server error displayed in oEmbed request when a path is not supported.
|
|
// TRANS: %s is a path.
|
|
$this->serverError(sprintf(_('"%s" not supported for oembed requests.'),$path), 501);
|
|
}
|
|
|
|
switch ($this->trimmed('format')) {
|
|
case 'xml':
|
|
$this->init_document('xml');
|
|
$this->elementStart('oembed');
|
|
foreach(array(
|
|
'version', 'type', 'provider_name',
|
|
'provider_url', 'title', 'author_name',
|
|
'author_url', 'url', 'html', 'width',
|
|
'height', 'cache_age', 'thumbnail_url',
|
|
'thumbnail_width', 'thumbnail_height',
|
|
) as $key) {
|
|
if (isset($oembed[$key]) && $oembed[$key]!='') {
|
|
$this->element($key, null, $oembed[$key]);
|
|
}
|
|
}
|
|
$this->elementEnd('oembed');
|
|
$this->end_document('xml');
|
|
break;
|
|
|
|
case 'json':
|
|
case null:
|
|
$this->init_document('json');
|
|
$this->raw(json_encode($oembed));
|
|
$this->end_document('json');
|
|
break;
|
|
default:
|
|
// TRANS: Error message displaying attachments. %s is a raw MIME type (eg 'image/png')
|
|
$this->serverError(sprintf(_('Content type %s not supported.'), $apidata['content-type']), 501);
|
|
}
|
|
}
|
|
|
|
public function init_document($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:
|
|
// TRANS: Server error displayed in oEmbed action when request specifies an unsupported data format.
|
|
$this->serverError(_('Not a supported data format.'), 501);
|
|
break;
|
|
}
|
|
}
|
|
|
|
public function end_document($type)
|
|
{
|
|
switch ($type) {
|
|
case 'xml':
|
|
$this->endXML();
|
|
break;
|
|
case 'json':
|
|
// Check for JSONP callback
|
|
$callback = $this->arg('callback');
|
|
if ($callback) {
|
|
print ')';
|
|
}
|
|
break;
|
|
default:
|
|
// TRANS: Server error displayed in oEmbed action when request specifies an unsupported data format.
|
|
$this->serverError(_('Not a supported data format.'), 501);
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Is this action read-only?
|
|
*
|
|
* @param array $args other arguments
|
|
*
|
|
* @return boolean is read only action?
|
|
*/
|
|
function isReadOnly($args)
|
|
{
|
|
return true;
|
|
}
|
|
}
|