322 lines
10 KiB
PHP
322 lines
10 KiB
PHP
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<?php
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/**
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* StatusNet, the distributed open-source mMediaFileicroblogging tool
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*
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* Abstraction for a media files in general
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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 Media
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* @package StatusNet
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* @author Zach Copley <zach@status.net>
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* @copyright 2008-2009 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('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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}
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class MediaFile
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{
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var $filename = null;
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var $fileRecord = null;
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var $user = null;
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var $fileurl = null;
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var $short_fileurl = null;
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var $mimetype = null;
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function __construct($user = null, $filename = null, $mimetype = null)
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{
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if ($user == null) {
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$this->user = common_current_user();
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}
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common_debug('in MediaFile constructor');
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$this->filename = $filename;
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$this->mimetype = $mimetype;
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common_debug('storing file');
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$this->fileRecord = $this->storeFile();
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common_debug('finished storing file');
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$this->fileurl = common_local_url('attachment',
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array('attachment' => $this->fileRecord->id));
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common_debug('$this->fileurl() = ' . $this->fileurl);
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// not sure this is necessary -- Zach
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$this->maybeAddRedir($this->fileRecord->id, $this->fileurl);
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common_debug('shortening file url');
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$this->short_fileurl = common_shorten_url($this->fileurl);
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common_debug('shortened file url = ' . $short_fileurl);
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// Also, not sure this is necessary -- Zach
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$this->maybeAddRedir($this->fileRecord->id, $this->short_fileurl);
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common_debug("MediaFile: end of constructor");
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}
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function attachToNotice($notice)
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{
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common_debug('MediaFile::attachToNotice() -- doing File_to_post');
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File_to_post::processNew($this->fileRecord->id, $notice->id);
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common_debug('MediaFile done doing File_to_post');
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$this->maybeAddRedir($this->fileRecord->id,
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common_local_url('file', array('notice' => $notice->id)));
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}
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function shortUrl()
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{
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return $this->short_fileurl;
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}
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function delete()
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{
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$filepath = File::path($this->filename);
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@unlink($filepath);
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}
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function storeFile() {
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$file = new File;
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$file->filename = $this->filename;
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common_debug('storing ' . $this->filename);
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$file->url = File::url($this->filename);
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common_debug('file->url = ' . $file->url);
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$filepath = File::path($this->filename);
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common_debug('filepath = ' . $filepath);
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$file->size = filesize($filepath);
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$file->date = time();
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$file->mimetype = $this->mimetype;
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$file_id = $file->insert();
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if (!$file_id) {
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common_debug("storeFile: problem inserting new file");
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common_log_db_error($file, "INSERT", __FILE__);
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throw new ClientException(_('There was a database error while saving your file. Please try again.'));
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}
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common_debug('finished storing file');
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return $file;
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}
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function rememberFile($file, $short)
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{
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$this->maybeAddRedir($file->id, $short);
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}
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function maybeAddRedir($file_id, $url)
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{
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common_debug("maybeAddRedir: looking up url: $url for file id $file_id");
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$file_redir = File_redirection::staticGet('url', $url);
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if (empty($file_redir)) {
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common_debug("maybeAddRedir: $url is not in the db");
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$file_redir = new File_redirection;
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$file_redir->url = $url;
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$file_redir->file_id = $file_id;
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$result = $file_redir->insert();
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if (!$result) {
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common_log_db_error($file_redir, "INSERT", __FILE__);
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throw new ClientException(_('There was a database error while saving your file. Please try again.'));
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}
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} else {
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common_debug("maybeAddRedir: no need to add $url, it's already in the db");
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}
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}
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static function fromUpload($param = 'media')
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{
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common_debug("fromUpload: param = $param");
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if (!isset($_FILES[$param]['error'])){
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common_debug('no file found');
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return;
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}
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switch ($_FILES[$param]['error']) {
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case UPLOAD_ERR_OK: // success, jump out
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break;
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case UPLOAD_ERR_INI_SIZE:
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throw new ClientException(_('The uploaded file exceeds the ' .
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'upload_max_filesize directive in php.ini.'));
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return;
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case UPLOAD_ERR_FORM_SIZE:
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throw new ClientException(
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_('The uploaded file exceeds the MAX_FILE_SIZE directive' .
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' that was specified in the HTML form.'));
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return;
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case UPLOAD_ERR_PARTIAL:
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@unlink($_FILES[$param]['tmp_name']);
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throw new ClientException(_('The uploaded file was only' .
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' partially uploaded.'));
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return;
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case UPLOAD_ERR_NO_TMP_DIR:
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throw new ClientException(_('Missing a temporary folder.'));
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return;
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case UPLOAD_ERR_CANT_WRITE:
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throw new ClientException(_('Failed to write file to disk.'));
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return;
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case UPLOAD_ERR_EXTENSION:
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throw new ClientException(_('File upload stopped by extension.'));
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return;
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default:
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throw new ClientException(_('System error uploading file.'));
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return;
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}
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$user = common_current_user();
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if (!MediaFile::respectsQuota($user, $_FILES['attach']['size'])) {
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// Should never actually get here
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@unlink($_FILES[$param]['tmp_name']);
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throw new ClientException(_('File exceeds user\'s quota!'));
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return;
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}
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$mimetype = MediaFile::getUploadedFileType($_FILES[$param]['tmp_name']);
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$filename = null;
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if (isset($mimetype)) {
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$basename = basename($_FILES[$param]['name']);
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$filename = File::filename($user->getProfile(), $basename, $mimetype);
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$filepath = File::path($filename);
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common_debug("filepath = " . $filepath);
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$result = move_uploaded_file($_FILES[$param]['tmp_name'], $filepath);
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if (!$result) {
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throw new ClientException(_('File could not be moved to destination directory.'));
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return;
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}
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} else {
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throw new ClientException(_('Could not determine file\'s mime-type!'));
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return;
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}
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return new MediaFile($user, $filename, $mimetype);
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}
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static function fromFilehandle($user, $fh) {
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$stream = stream_get_meta_data($fh);
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if (MediaFile::respectsQuota($user, filesize($stream['uri']))) {
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// Should never actually get here
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throw new ClientException(_('File exceeds user\'s quota!'));
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return;
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}
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$mimetype = MediaFile::getUploadedFileType($fh);
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$filename = null;
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if (isset($mimetype)) {
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$filename = File::filename($user->getProfile(), "email", $mimetype);
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$filepath = File::path($filename);
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$result = copy($stream['uri'], $filepath) && chmod($filepath, 0664);
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if (!$result) {
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throw new ClientException(_('File could not be moved to destination directory.' .
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$stream['uri'] . ' ' . $filepath));
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}
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} else {
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throw new ClientException(_('Could not determine file\'s mime-type!'));
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return;
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}
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return new MediaFile($user, $filename, $mimetype);
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}
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static function getUploadedFileType($f) {
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require_once 'MIME/Type.php';
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common_debug("in getUploadedFileType");
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$cmd = &PEAR::getStaticProperty('MIME_Type', 'fileCmd');
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$cmd = common_config('attachments', 'filecommand');
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$filetype = null;
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if (is_string($f)) {
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// assuming a filename
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$filetype = MIME_Type::autoDetect($f);
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} else {
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// assuming a filehandle
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$stream = stream_get_meta_data($f);
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$filetype = MIME_Type::autoDetect($stream['uri']);
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}
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if (in_array($filetype, common_config('attachments', 'supported'))) {
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return $filetype;
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}
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$media = MIME_Type::getMedia($filetype);
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if ('application' !== $media) {
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$hint = sprintf(_(' Try using another %s format.'), $media);
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} else {
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$hint = '';
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}
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throw new ClientException(sprintf(
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_('%s is not a supported filetype on this server.'), $filetype) . $hint);
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}
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static function respectsQuota($user, $filesize)
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{
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$file = new File;
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$result = $file->isRespectsQuota($user, $filesize);
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if ($result === true) {
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return true;
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} else {
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throw new ClientException($result);
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}
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}
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}
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