<?php
/**
- * StatusNet, the distributed open-source mMediaFileicroblogging tool
+ * StatusNet, the distributed open-source microblogging tool
*
- * Abstraction for a media files in general
+ * Abstraction for media files in general
+ *
+ * TODO: combine with ImageFile?
*
* PHP version 5
*
*
* @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
throw new ClientException(_('The uploaded file was only' .
' partially uploaded.'));
return;
+ case UPLOAD_ERR_NO_FILE:
+ // No file; probably just a non-AJAX submission.
+ return;
case UPLOAD_ERR_NO_TMP_DIR:
throw new ClientException(_('Missing a temporary folder.'));
return;
throw new ClientException(_('File upload stopped by extension.'));
return;
default:
+ common_log(LOG_ERR, __METHOD__ . ": Unknown upload error " .
+ $_FILES[$param]['error']);
throw new ClientException(_('System error uploading file.'));
return;
}
- if (!MediaFile::respectsQuota($user, $_FILES['attach']['size'])) {
+ if (!MediaFile::respectsQuota($user, $_FILES[$param]['size'])) {
// Should never actually get here
@unlink($_FILES[$param]['tmp_name']);
- throw new ClientException(_('File exceeds user\'s quota!'));
+ throw new ClientException(_('File exceeds user\'s quota.'));
return;
}
- $mimetype = MediaFile::getUploadedFileType($_FILES[$param]['tmp_name']);
+ $mimetype = MediaFile::getUploadedFileType($_FILES[$param]['tmp_name'],
+ $_FILES[$param]['name']);
$filename = null;
}
} else {
- throw new ClientException(_('Could not determine file\'s mime-type!'));
+ throw new ClientException(_('Could not determine file\'s MIME type.'));
return;
}
// Should never actually get here
- throw new ClientException(_('File exceeds user\'s quota!'));
+ throw new ClientException(_('File exceeds user\'s quota.'));
return;
}
$stream['uri'] . ' ' . $filepath));
}
} else {
- throw new ClientException(_('Could not determine file\'s mime-type!'));
+ throw new ClientException(_('Could not determine file\'s MIME type.'));
return;
}
return new MediaFile($user, $filename, $mimetype);
}
- static function getUploadedFileType($f) {
+ /**
+ * Attempt to identify the content type of a given file.
+ *
+ * @param mixed $f file handle resource, or filesystem path as string
+ * @param string $originalFilename (optional) for extension-based detection
+ * @return string
+ *
+ * @fixme is this an internal or public method? It's called from GetFileAction
+ * @fixme this seems to tie a front-end error message in, kinda confusing
+ * @fixme this looks like it could return a PEAR_Error in some cases, if
+ * type can't be identified and $config['attachments']['supported'] is true
+ *
+ * @throws ClientException if type is known, but not supported for local uploads
+ */
+ static function getUploadedFileType($f, $originalFilename=false) {
require_once 'MIME/Type.php';
+ require_once 'MIME/Type/Extension.php';
+ $mte = new MIME_Type_Extension();
$cmd = &PEAR::getStaticProperty('MIME_Type', 'fileCmd');
$cmd = common_config('attachments', 'filecommand');
$filetype = null;
+ // If we couldn't get a clear type from the file extension,
+ // we'll go ahead and try checking the content. Content checks
+ // are unambiguous for most image files, but nearly useless
+ // for office document formats.
+
if (is_string($f)) {
// assuming a filename
$filetype = MIME_Type::autoDetect($f);
+
} else {
// assuming a filehandle
$filetype = MIME_Type::autoDetect($stream['uri']);
}
- if (in_array($filetype, common_config('attachments', 'supported'))) {
+ // The content-based sources for MIME_Type::autoDetect()
+ // are wildly unreliable for office-type documents. If we've
+ // gotten an unclear reponse back or just couldn't identify it,
+ // we'll try detecting a type from its extension...
+ $unclearTypes = array('application/octet-stream',
+ 'application/vnd.ms-office',
+ 'application/zip');
+
+ if ($originalFilename && (!$filetype || in_array($filetype, $unclearTypes))) {
+ $type = $mte->getMIMEType($originalFilename);
+ if (is_string($type)) {
+ $filetype = $type;
+ }
+ }
+
+ $supported = common_config('attachments', 'supported');
+ if (is_array($supported)) {
+ // Normalize extensions to mime types
+ foreach ($supported as $i => $entry) {
+ if (strpos($entry, '/') === false) {
+ common_log(LOG_INFO, "sample.$entry");
+ $supported[$i] = $mte->getMIMEType("sample.$entry");
+ }
+ }
+ }
+ if ($supported === true || in_array($filetype, $supported)) {
return $filetype;
}
$media = MIME_Type::getMedia($filetype);
$hint = '';
}
throw new ClientException(sprintf(
- _('%s is not a supported filetype on this server.'), $filetype) . $hint);
+ _('%s is not a supported file type on this server.'), $filetype) . $hint);
}
static function respectsQuota($user, $filesize)
}
}
-}
\ No newline at end of file
+}