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