3 * StatusNet, the distributed open-source microblogging tool
5 * Abstraction for media files in general
7 * TODO: combine with ImageFile?
11 * LICENCE: This program is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU Affero General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU Affero General Public License for more details.
21 * You should have received a copy of the GNU Affero General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
26 * @author Robin Millette <robin@millette.info>
27 * @author Zach Copley <zach@status.net>
28 * @copyright 2008-2009 StatusNet, Inc.
29 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
30 * @link http://status.net/
33 if (!defined('GNUSOCIAL')) { exit(1); }
37 protected $scoped = null;
40 var $fileRecord = null;
42 var $short_fileurl = null;
45 function __construct(Profile $scoped, $filename = null, $mimetype = null)
47 $this->scoped = $scoped;
49 $this->filename = $filename;
50 $this->mimetype = $mimetype;
51 $this->fileRecord = $this->storeFile();
53 $this->fileurl = common_local_url('attachment',
54 array('attachment' => $this->fileRecord->id));
56 $this->maybeAddRedir($this->fileRecord->id, $this->fileurl);
57 $this->short_fileurl = common_shorten_url($this->fileurl);
58 $this->maybeAddRedir($this->fileRecord->id, $this->short_fileurl);
61 public function attachToNotice(Notice $notice)
63 File_to_post::processNew($this->fileRecord->id, $notice->id);
64 $this->maybeAddRedir($this->fileRecord->id,
65 common_local_url('file', array('notice' => $notice->id)));
68 public function getPath()
70 return File::path($this->filename);
75 return $this->short_fileurl;
80 $filepath = File::path($this->filename);
84 function storeFile() {
88 $file->filename = $this->filename;
89 $file->url = File::url($this->filename);
90 $filepath = File::path($this->filename);
91 $file->size = filesize($filepath);
93 $file->mimetype = $this->mimetype;
95 $file_id = $file->insert();
98 common_log_db_error($file, "INSERT", __FILE__);
99 // TRANS: Client exception thrown when a database error was thrown during a file upload operation.
100 throw new ClientException(_('There was a database error while saving your file. Please try again.'));
106 function rememberFile($file, $short)
108 $this->maybeAddRedir($file->id, $short);
111 function maybeAddRedir($file_id, $url)
113 $file_redir = File_redirection::getKV('url', $url);
115 if (empty($file_redir)) {
117 $file_redir = new File_redirection;
118 $file_redir->url = $url;
119 $file_redir->file_id = $file_id;
121 $result = $file_redir->insert();
124 common_log_db_error($file_redir, "INSERT", __FILE__);
125 // TRANS: Client exception thrown when a database error was thrown during a file upload operation.
126 throw new ClientException(_('There was a database error while saving your file. Please try again.'));
131 static function fromUpload($param = 'media', Profile $scoped)
133 if (is_null($scoped)) {
134 $scoped = Profile::current();
137 if (!isset($_FILES[$param]['error'])){
141 switch ($_FILES[$param]['error']) {
142 case UPLOAD_ERR_OK: // success, jump out
144 case UPLOAD_ERR_INI_SIZE:
145 // TRANS: Client exception thrown when an uploaded file is larger than set in php.ini.
146 throw new ClientException(_('The uploaded file exceeds the ' .
147 'upload_max_filesize directive in php.ini.'));
148 case UPLOAD_ERR_FORM_SIZE:
149 throw new ClientException(
150 // TRANS: Client exception.
151 _('The uploaded file exceeds the MAX_FILE_SIZE directive' .
152 ' that was specified in the HTML form.'));
153 case UPLOAD_ERR_PARTIAL:
154 @unlink($_FILES[$param]['tmp_name']);
155 // TRANS: Client exception.
156 throw new ClientException(_('The uploaded file was only' .
157 ' partially uploaded.'));
158 case UPLOAD_ERR_NO_FILE:
159 // No file; probably just a non-AJAX submission.
161 case UPLOAD_ERR_NO_TMP_DIR:
162 // TRANS: Client exception thrown when a temporary folder is not present to store a file upload.
163 throw new ClientException(_('Missing a temporary folder.'));
164 case UPLOAD_ERR_CANT_WRITE:
165 // TRANS: Client exception thrown when writing to disk is not possible during a file upload operation.
166 throw new ClientException(_('Failed to write file to disk.'));
167 case UPLOAD_ERR_EXTENSION:
168 // TRANS: Client exception thrown when a file upload operation has been stopped by an extension.
169 throw new ClientException(_('File upload stopped by extension.'));
171 common_log(LOG_ERR, __METHOD__ . ": Unknown upload error " .
172 $_FILES[$param]['error']);
173 // TRANS: Client exception thrown when a file upload operation has failed with an unknown reason.
174 throw new ClientException(_('System error uploading file.'));
177 // Throws exception if additional size does not respect quota
178 File::respectsQuota($scoped, $_FILES[$param]['size']);
180 $mimetype = self::getUploadedMimeType($_FILES[$param]['tmp_name'],
181 $_FILES[$param]['name']);
183 $basename = basename($_FILES[$param]['name']);
184 $filename = File::filename($scoped, $basename, $mimetype);
185 $filepath = File::path($filename);
187 $result = move_uploaded_file($_FILES[$param]['tmp_name'], $filepath);
190 // TRANS: Client exception thrown when a file upload operation fails because the file could
191 // TRANS: not be moved from the temporary folder to the permanent file location.
192 throw new ClientException(_('File could not be moved to destination directory.'));
195 return new MediaFile($scoped, $filename, $mimetype);
198 static function fromFilehandle($fh, Profile $scoped) {
200 $stream = stream_get_meta_data($fh);
202 File::respectsQuota($scoped, filesize($stream['uri']));
204 $mimetype = self::getUploadedMimeType($stream['uri']);
206 $filename = File::filename($scoped, "email", $mimetype);
208 $filepath = File::path($filename);
210 $result = copy($stream['uri'], $filepath) && chmod($filepath, 0664);
213 // TRANS: Client exception thrown when a file upload operation fails because the file could
214 // TRANS: not be moved from the temporary folder to the permanent file location.
215 throw new ClientException(_('File could not be moved to destination directory.' .
216 $stream['uri'] . ' ' . $filepath));
219 return new MediaFile($scoped, $filename, $mimetype);
223 * Attempt to identify the content type of a given file.
225 * @param string $filepath filesystem path as string (file must exist)
226 * @param string $originalFilename (optional) for extension-based detection
229 * @fixme this seems to tie a front-end error message in, kinda confusing
231 * @throws ClientException if type is known, but not supported for local uploads
233 static function getUploadedMimeType($filepath, $originalFilename=false) {
234 // We only accept filenames to existing files
235 $mimelookup = new finfo(FILEINFO_MIME_TYPE);
236 $mimetype = $mimelookup->file($filepath);
238 // Unclear types are such that we can't really tell by the auto
239 // detect what they are (.bin, .exe etc. are just "octet-stream")
240 $unclearTypes = array('application/octet-stream',
241 'application/vnd.ms-office',
243 // TODO: for XML we could do better content-based sniffing too
246 $supported = common_config('attachments', 'supported');
248 // If we didn't match, or it is an unclear match
249 if ($originalFilename && (!$mimetype || in_array($mimetype, $unclearTypes))) {
251 $type = common_supported_ext_to_mime($originalFilename);
253 } catch (Exception $e) {
254 // Extension not found, so $mimetype is our best guess
258 // If $config['attachments']['supported'] equals boolean true, accept any mimetype
259 if ($supported === true || array_key_exists($mimetype, $supported)) {
260 // FIXME: Don't know if it always has a mimetype here because
261 // finfo->file CAN return false on error: http://php.net/finfo_file
262 // so if $supported === true, this may return something unexpected.
266 // We can conclude that we have failed to get the MIME type
267 $media = common_get_mime_media($mimetype);
268 if ('application' !== $media) {
269 // TRANS: Client exception thrown trying to upload a forbidden MIME type.
270 // TRANS: %1$s is the file type that was denied, %2$s is the application part of
271 // TRANS: the MIME type that was denied.
272 $hint = sprintf(_('"%1$s" is not a supported file type on this server. ' .
273 'Try using another %2$s format.'), $mimetype, $media);
275 // TRANS: Client exception thrown trying to upload a forbidden MIME type.
276 // TRANS: %s is the file type that was denied.
277 $hint = sprintf(_('"%s" is not a supported file type on this server.'), $mimetype);
279 throw new ClientException($hint);