forked from GNUsocial/gnu-social
125 lines
4.2 KiB
PHP
125 lines
4.2 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Upload an image via the API
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category API
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* @author Zach Copley <zach@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('GNUSOCIAL')) { exit(1); }
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/**
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* Upload an image via the API. Returns a shortened URL for the image
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* to the user. Apparently modelled after a former Twitpic API.
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*
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* @category API
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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class ApiMediaUploadAction extends ApiAuthAction
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{
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protected $needPost = true;
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/**
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* Handle the request
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*
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* Grab the file from the 'media' param, then store, and shorten
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*
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* @todo Upload throttle!
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*
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* @param array $args $_REQUEST data (unused)
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*
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* @return void
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*/
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protected function handle()
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{
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parent::handle();
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// Workaround for PHP returning empty $_POST and $_FILES when POST
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// length > post_max_size in php.ini
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if (empty($_FILES)
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&& empty($_POST)
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&& ($_SERVER['CONTENT_LENGTH'] > 0)
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) {
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// TRANS: Client error displayed when the number of bytes in a POST request exceeds a limit.
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// TRANS: %s is the number of bytes of the CONTENT_LENGTH.
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$msg = _m('The server was unable to handle that much POST data (%s byte) due to its current configuration.',
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'The server was unable to handle that much POST data (%s bytes) due to its current configuration.',
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intval($_SERVER['CONTENT_LENGTH']));
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$this->clientError(sprintf($msg, $_SERVER['CONTENT_LENGTH']));
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}
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// we could catch "NoUploadedMediaException" as "no media uploaded", but here we _always_ want an upload
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$upload = MediaFile::fromUpload('media', $this->scoped);
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// Thumbnails will be generated/cached on demand when accessed (such as with /attachment/:id/thumbnail)
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$this->showResponse($upload);
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}
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/**
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* Show a Twitpic-like response with the ID of the media file
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* and a (hopefully) shortened URL for it.
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*
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* @param MediaFile $upload the uploaded file
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*
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* @return void
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*/
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function showResponse(MediaFile $upload)
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{
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$this->initDocument();
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$this->elementStart('rsp', array('stat' => 'ok', 'xmlns:atom'=>Activity::ATOM));
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$this->element('mediaid', null, $upload->fileRecord->id);
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$this->element('mediaurl', null, $upload->shortUrl());
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$enclosure = $upload->fileRecord->getEnclosure();
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$this->element('atom:link', array('rel' => 'enclosure',
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'href' => $enclosure->url,
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'type' => $enclosure->mimetype));
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$this->elementEnd('rsp');
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$this->endDocument();
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}
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/**
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* Overrided clientError to show a more Twitpic-like error
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*
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* @param String $msg an error message
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*/
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function clientError($msg, $code=400, $format=null)
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{
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$this->initDocument();
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$this->elementStart('rsp', array('stat' => 'fail'));
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// @todo add in error code
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$errAttr = array('msg' => $msg);
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$this->element('err', $errAttr, null);
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$this->elementEnd('rsp');
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$this->endDocument();
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exit;
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}
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}
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