forked from GNUsocial/gnu-social
311 lines
12 KiB
PHP
311 lines
12 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet, the distributed open-source microblogging tool
|
|
*
|
|
* Abstraction for media files in general
|
|
*
|
|
* TODO: combine with ImageFile?
|
|
*
|
|
* 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 Robin Millette <robin@millette.info>
|
|
* @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('GNUSOCIAL')) { exit(1); }
|
|
|
|
class MediaFile
|
|
{
|
|
protected $scoped = null;
|
|
|
|
var $filename = null;
|
|
var $fileRecord = null;
|
|
var $fileurl = null;
|
|
var $short_fileurl = null;
|
|
var $mimetype = null;
|
|
|
|
function __construct(Profile $scoped, $filename = null, $mimetype = null)
|
|
{
|
|
$this->scoped = $scoped;
|
|
|
|
$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);
|
|
}
|
|
|
|
public function attachToNotice(Notice $notice)
|
|
{
|
|
File_to_post::processNew($this->fileRecord->id, $notice->id);
|
|
}
|
|
|
|
public function getPath()
|
|
{
|
|
return File::path($this->filename);
|
|
}
|
|
|
|
function shortUrl()
|
|
{
|
|
return $this->short_fileurl;
|
|
}
|
|
|
|
function delete()
|
|
{
|
|
$filepath = File::path($this->filename);
|
|
@unlink($filepath);
|
|
}
|
|
|
|
public function getFile()
|
|
{
|
|
if (!$this->fileRecord instanceof File) {
|
|
throw new ServerException('File record did not exist for MediaFile');
|
|
}
|
|
|
|
return $this->fileRecord;
|
|
}
|
|
|
|
protected 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===false) {
|
|
common_log_db_error($file, "INSERT", __FILE__);
|
|
// TRANS: Client exception thrown when a database error was thrown during a file upload operation.
|
|
throw new ClientException(_('There was a database error while saving your file. Please try again.'));
|
|
}
|
|
|
|
// Set file geometrical properties if available
|
|
try {
|
|
$image = ImageFile::fromFileObject($file);
|
|
$orig = clone($file);
|
|
$file->width = $image->width;
|
|
$file->height = $image->height;
|
|
$file->update($orig);
|
|
|
|
// We have to cleanup after ImageFile, since it
|
|
// may have generated a temporary file from a
|
|
// video support plugin or something.
|
|
// FIXME: Do this more automagically.
|
|
if ($image->getPath() != $file->getPath()) {
|
|
$image->unlink();
|
|
}
|
|
} catch (ServerException $e) {
|
|
// We just couldn't make out an image from the file. This
|
|
// does not have to be UnsupportedMediaException, as we can
|
|
// also get ServerException from files not existing etc.
|
|
}
|
|
|
|
return $file;
|
|
}
|
|
|
|
function rememberFile($file, $short)
|
|
{
|
|
$this->maybeAddRedir($file->id, $short);
|
|
}
|
|
|
|
function maybeAddRedir($file_id, $url)
|
|
{
|
|
$file_redir = File_redirection::getKV('url', $url);
|
|
|
|
if (!$file_redir instanceof File_redirection) {
|
|
$file_redir = new File_redirection;
|
|
$file_redir->url = $url;
|
|
$file_redir->file_id = $file_id;
|
|
|
|
$result = $file_redir->insert();
|
|
|
|
if ($result===false) {
|
|
common_log_db_error($file_redir, "INSERT", __FILE__);
|
|
// TRANS: Client exception thrown when a database error was thrown during a file upload operation.
|
|
throw new ClientException(_('There was a database error while saving your file. Please try again.'));
|
|
}
|
|
}
|
|
}
|
|
|
|
static function fromUpload($param='media', Profile $scoped=null)
|
|
{
|
|
if (is_null($scoped)) {
|
|
$scoped = Profile::current();
|
|
}
|
|
|
|
// The existence of the "error" element means PHP has processed it properly even if it was ok.
|
|
if (!isset($_FILES[$param]) || !isset($_FILES[$param]['error'])) {
|
|
throw new NoUploadedMediaException($param);
|
|
}
|
|
|
|
switch ($_FILES[$param]['error']) {
|
|
case UPLOAD_ERR_OK: // success, jump out
|
|
break;
|
|
case UPLOAD_ERR_INI_SIZE:
|
|
// TRANS: Client exception thrown when an uploaded file is larger than set in php.ini.
|
|
throw new ClientException(_('The uploaded file exceeds the ' .
|
|
'upload_max_filesize directive in php.ini.'));
|
|
case UPLOAD_ERR_FORM_SIZE:
|
|
throw new ClientException(
|
|
// TRANS: Client exception.
|
|
_('The uploaded file exceeds the MAX_FILE_SIZE directive' .
|
|
' that was specified in the HTML form.'));
|
|
case UPLOAD_ERR_PARTIAL:
|
|
@unlink($_FILES[$param]['tmp_name']);
|
|
// TRANS: Client exception.
|
|
throw new ClientException(_('The uploaded file was only' .
|
|
' partially uploaded.'));
|
|
case UPLOAD_ERR_NO_FILE:
|
|
// No file; probably just a non-AJAX submission.
|
|
throw new NoUploadedMediaException($param);
|
|
case UPLOAD_ERR_NO_TMP_DIR:
|
|
// TRANS: Client exception thrown when a temporary folder is not present to store a file upload.
|
|
throw new ClientException(_('Missing a temporary folder.'));
|
|
case UPLOAD_ERR_CANT_WRITE:
|
|
// TRANS: Client exception thrown when writing to disk is not possible during a file upload operation.
|
|
throw new ClientException(_('Failed to write file to disk.'));
|
|
case UPLOAD_ERR_EXTENSION:
|
|
// TRANS: Client exception thrown when a file upload operation has been stopped by an extension.
|
|
throw new ClientException(_('File upload stopped by extension.'));
|
|
default:
|
|
common_log(LOG_ERR, __METHOD__ . ": Unknown upload error " .
|
|
$_FILES[$param]['error']);
|
|
// TRANS: Client exception thrown when a file upload operation has failed with an unknown reason.
|
|
throw new ClientException(_('System error uploading file.'));
|
|
}
|
|
|
|
// Throws exception if additional size does not respect quota
|
|
File::respectsQuota($scoped, $_FILES[$param]['size']);
|
|
|
|
$mimetype = self::getUploadedMimeType($_FILES[$param]['tmp_name'],
|
|
$_FILES[$param]['name']);
|
|
|
|
$basename = basename($_FILES[$param]['name']);
|
|
$filename = File::filename($scoped, $basename, $mimetype);
|
|
$filepath = File::path($filename);
|
|
|
|
$result = move_uploaded_file($_FILES[$param]['tmp_name'], $filepath);
|
|
|
|
if (!$result) {
|
|
// TRANS: Client exception thrown when a file upload operation fails because the file could
|
|
// TRANS: not be moved from the temporary folder to the permanent file location.
|
|
throw new ClientException(_('File could not be moved to destination directory.'));
|
|
}
|
|
|
|
return new MediaFile($scoped, $filename, $mimetype);
|
|
}
|
|
|
|
static function fromFilehandle($fh, Profile $scoped) {
|
|
|
|
$stream = stream_get_meta_data($fh);
|
|
|
|
File::respectsQuota($scoped, filesize($stream['uri']));
|
|
|
|
$mimetype = self::getUploadedMimeType($stream['uri']);
|
|
|
|
$filename = File::filename($scoped, "email", $mimetype);
|
|
|
|
$filepath = File::path($filename);
|
|
|
|
$result = copy($stream['uri'], $filepath) && chmod($filepath, 0664);
|
|
|
|
if (!$result) {
|
|
// TRANS: Client exception thrown when a file upload operation fails because the file could
|
|
// TRANS: not be moved from the temporary folder to the permanent file location.
|
|
throw new ClientException(_('File could not be moved to destination directory.' .
|
|
$stream['uri'] . ' ' . $filepath));
|
|
}
|
|
|
|
return new MediaFile($scoped, $filename, $mimetype);
|
|
}
|
|
|
|
/**
|
|
* Attempt to identify the content type of a given file.
|
|
*
|
|
* @param string $filepath filesystem path as string (file must exist)
|
|
* @param string $originalFilename (optional) for extension-based detection
|
|
* @return string
|
|
*
|
|
* @fixme this seems to tie a front-end error message in, kinda confusing
|
|
*
|
|
* @throws ClientException if type is known, but not supported for local uploads
|
|
*/
|
|
static function getUploadedMimeType($filepath, $originalFilename=false) {
|
|
// We only accept filenames to existing files
|
|
$mimelookup = new finfo(FILEINFO_MIME_TYPE);
|
|
$mimetype = $mimelookup->file($filepath);
|
|
|
|
// Unclear types are such that we can't really tell by the auto
|
|
// detect what they are (.bin, .exe etc. are just "octet-stream")
|
|
$unclearTypes = array('application/octet-stream',
|
|
'application/vnd.ms-office',
|
|
'application/zip',
|
|
// TODO: for XML we could do better content-based sniffing too
|
|
'text/xml');
|
|
|
|
$supported = common_config('attachments', 'supported');
|
|
|
|
// If we didn't match, or it is an unclear match
|
|
if ($originalFilename && (!$mimetype || in_array($mimetype, $unclearTypes))) {
|
|
try {
|
|
$type = common_supported_ext_to_mime($originalFilename);
|
|
return $type;
|
|
} catch (Exception $e) {
|
|
// Extension not found, so $mimetype is our best guess
|
|
}
|
|
}
|
|
|
|
// If $config['attachments']['supported'] equals boolean true, accept any mimetype
|
|
if ($supported === true || array_key_exists($mimetype, $supported)) {
|
|
// FIXME: Don't know if it always has a mimetype here because
|
|
// finfo->file CAN return false on error: http://php.net/finfo_file
|
|
// so if $supported === true, this may return something unexpected.
|
|
return $mimetype;
|
|
}
|
|
|
|
// We can conclude that we have failed to get the MIME type
|
|
$media = common_get_mime_media($mimetype);
|
|
if ('application' !== $media) {
|
|
// TRANS: Client exception thrown trying to upload a forbidden MIME type.
|
|
// TRANS: %1$s is the file type that was denied, %2$s is the application part of
|
|
// TRANS: the MIME type that was denied.
|
|
$hint = sprintf(_('"%1$s" is not a supported file type on this server. ' .
|
|
'Try using another %2$s format.'), $mimetype, $media);
|
|
} else {
|
|
// TRANS: Client exception thrown trying to upload a forbidden MIME type.
|
|
// TRANS: %s is the file type that was denied.
|
|
$hint = sprintf(_('"%s" is not a supported file type on this server.'), $mimetype);
|
|
}
|
|
throw new ClientException($hint);
|
|
}
|
|
}
|