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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Upload an image via the 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 API
* @author Zach Copley <zach@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
exit(1);
}
require_once INSTALLDIR . '/lib/apiauth.php';
require_once INSTALLDIR . '/lib/mediafile.php';
/**
* Upload an image via the API. Returns a shortened URL for the image
* to the user.
*
* @category API
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class ApiMediaUploadAction extends ApiAuthAction
{
/**
* Handle the request
*
* Grab the file from the 'media' param, then store, and shorten
*
* @todo Upload throttle!
*
* @param array $args $_REQUEST data (unused)
*
* @return void
*/
function handle($args)
{
parent::handle($args);
if ($_SERVER['REQUEST_METHOD'] != 'POST') {
$this->clientError(
// TRANS: Client error. POST is a HTTP command. It should not be translated.
_('This method requires a POST.'),
400, $this->format
);
return;
}
// Workaround for PHP returning empty $_POST and $_FILES when POST
// length > post_max_size in php.ini
if (empty($_FILES)
&& empty($_POST)
&& ($_SERVER['CONTENT_LENGTH'] > 0)
) {
// TRANS: Client error displayed when the number of bytes in a POST request exceeds a limit.
// TRANS: %s is the number of bytes of the CONTENT_LENGTH.
$msg = _m('The server was unable to handle that much POST data (%s byte) due to its current configuration.',
'The server was unable to handle that much POST data (%s bytes) due to its current configuration.',
intval($_SERVER['CONTENT_LENGTH']));
$this->clientError(sprintf($msg, $_SERVER['CONTENT_LENGTH']));
return;
}
$upload = null;
try {
$upload = MediaFile::fromUpload('media', $this->auth_user);
} catch (Exception $e) {
$this->clientError($e->getMessage(), $e->getCode());
return;
}
if (isset($upload)) {
$this->showResponse($upload);
} else {
// TRANS: Client error displayed when uploading a media file has failed.
$this->clientError(_('Upload failed.'));
return;
}
}
/**
* Show a Twitpic-like response with the ID of the media file
* and a (hopefully) shortened URL for it.
*
* @param File $upload the uploaded file
*
* @return void
*/
function showResponse($upload)
{
$this->initDocument();
$this->elementStart('rsp', array('stat' => 'ok'));
$this->element('mediaid', null, $upload->fileRecord->id);
$this->element('mediaurl', null, $upload->shortUrl());
$this->elementEnd('rsp');
$this->endDocument();
}
/**
* Overrided clientError to show a more Twitpic-like error
*
* @param String $msg an error message
*/
function clientError($msg)
{
$this->initDocument();
$this->elementStart('rsp', array('stat' => 'fail'));
// @todo add in error code
$errAttr = array('msg' => $msg);
$this->element('err', $errAttr, null);
$this->elementEnd('rsp');
$this->endDocument();
}
}
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