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<?php
/**
* Copyright (c) 2014 Vincent Petry <pvince81@owncloud.com>
* Copyright (c) 2014 Jörn Dreyer jfd@owncloud.com
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\Repair;
use OC\Hooks\BasicEmitter;
class RepairMimeTypes extends BasicEmitter implements \OC\RepairStep {
public function getName() {
return 'Repair mime types';
}
private function fixOfficeMimeTypes() {
// update wrong mimetypes
$wrongMimetypes = array(
'application/mspowerpoint' => 'application/vnd.ms-powerpoint',
'application/msexcel' => 'application/vnd.ms-excel',
);
$existsStmt = \OC_DB::prepare('
SELECT count(`mimetype`)
FROM `*PREFIX*mimetypes`
WHERE `mimetype` = ?
');
$getIdStmt = \OC_DB::prepare('
SELECT `id`
FROM `*PREFIX*mimetypes`
WHERE `mimetype` = ?
');
$insertStmt = \OC_DB::prepare('
INSERT INTO `*PREFIX*mimetypes` ( `mimetype` )
VALUES ( ? )
');
$updateWrongStmt = \OC_DB::prepare('
UPDATE `*PREFIX*filecache`
SET `mimetype` = (
SELECT `id`
FROM `*PREFIX*mimetypes`
WHERE `mimetype` = ?
) WHERE `mimetype` = ?
');
$deleteStmt = \OC_DB::prepare('
DELETE FROM `*PREFIX*mimetypes`
WHERE `id` = ?
');
foreach ($wrongMimetypes as $wrong => $correct) {
// do we need to remove a wrong mimetype?
$result = \OC_DB::executeAudited($getIdStmt, array($wrong));
$wrongId = $result->fetchOne();
if ($wrongId !== false) {
// do we need to insert the correct mimetype?
$result = \OC_DB::executeAudited($existsStmt, array($correct));
$exists = $result->fetchOne();
if ( ! $exists ) {
// insert mimetype
\OC_DB::executeAudited($insertStmt, array($correct));
}
// change wrong mimetype to correct mimetype in filecache
\OC_DB::executeAudited($updateWrongStmt, array($correct, $wrongId));
// delete wrong mimetype
\OC_DB::executeAudited($deleteStmt, array($wrongId));
}
}
$updatedMimetypes = array(
'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
);
$updateByNameStmt = \OC_DB::prepare('
UPDATE `*PREFIX*filecache`
SET `mimetype` = (
SELECT `id`
FROM `*PREFIX*mimetypes`
WHERE `mimetype` = ?
) WHERE `name` LIKE ?
');
// separate doc from docx etc
foreach ($updatedMimetypes as $extension => $mimetype ) {
$result = \OC_DB::executeAudited($existsStmt, array($mimetype));
$exists = $result->fetchOne();
if ( ! $exists ) {
// insert mimetype
\OC_DB::executeAudited($insertStmt, array($mimetype));
}
// change mimetype for files with x extension
\OC_DB::executeAudited($updateByNameStmt, array($mimetype, '%.'.$extension));
}
}
/**
* Fix mime types
*/
public function run() {
if ($this->fixOfficeMimeTypes()) {
$this->emit('\OC\Repair', 'info', array('Fixed office mime types'));
}
}
}
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