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remove encryption keys if a file gets deleted permanently

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This commit is contained in:
Björn Schießle 2013-05-03 16:33:18 +02:00
parent 8a1223181b
commit 050258f003
1 changed files with 46 additions and 26 deletions
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72
apps/files_trashbin/lib/trash.php
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@ -496,7 +496,25 @@ class Trashbin {
$file = $filename;
}
$size += self::deleteVersions($view, $file, $filename, $timestamp);
$size += self::deleteEncryptionKeys($view, $file, $filename, $timestamp);
if ($view->is_dir('/files_trashbin/files/'.$file)) {
$size += self::calculateSize(new \OC\Files\View('/'.$user.'/files_trashbin/files/'.$file));
} else {
$size += $view->filesize('/files_trashbin/files/'.$file);
}
$view->unlink('/files_trashbin/files/'.$file);
$trashbinSize -= $size;
self::setTrashbinSize($user, $trashbinSize);
return $size;
}
private static function deleteVersions($view, $file, $filename, $timestamp) {
$size = 0;
if ( \OCP\App::isEnabled('files_versions') ) {
$user = \OCP\User::getUser();
if ($view->is_dir('files_trashbin/versions/'.$file)) {
$size += self::calculateSize(new \OC\Files\view('/'.$user.'/files_trashbin/versions/'.$file));
$view->unlink('files_trashbin/versions/'.$file);
@ -512,35 +530,37 @@ class Trashbin {
}
}
}
// Take care of encryption keys
$parts = pathinfo($file);
if ( $view->is_dir('/files_trashbin/files/'.$file) ) {
$keyfile = \OC\Files\Filesystem::normalizePath('files_trashbin/keyfiles/'.$filename);
} else {
$keyfile = \OC\Files\Filesystem::normalizePath('files_trashbin/keyfiles/'.$filename.'.key');
}
if ($timestamp) {
$keyfile .= '.d'.$timestamp;
}
if ( \OCP\App::isEnabled('files_encryption') && $view->file_exists($keyfile) ) {
if ( $view->is_dir($keyfile) ) {
$size += self::calculateSize(new \OC\Files\View('/'.$user.'/'.$keyfile));
return $size;
}
private static function deleteEncryptionKeys($view, $file, $filename, $timestamp) {
$size = 0;
if (\OCP\App::isEnabled('files_encryption')) {
$user = \OCP\User::getUser();
if ($view->is_dir('/files_trashbin/files/' . $file)) {
$keyfile = \OC\Files\Filesystem::normalizePath('files_trashbin/keyfiles/' . $filename);
$sharekeys = \OC\Files\Filesystem::normalizePath('files_trashbin/share-keys/' . $filename);
} else {
$size += $view->filesize($keyfile);
$keyfile = \OC\Files\Filesystem::normalizePath('files_trashbin/keyfiles/' . $filename . '.key');
$sharekeys = \OC\Files\Filesystem::normalizePath('files_trashbin/share-keys/' . $filename . '.' . $user . '.shareKey');
}
if ($timestamp) {
$keyfile .= '.d' . $timestamp;
$sharekeys .= '.d' . $timestamp;
}
if ($view->file_exists($keyfile)) {
if ($view->is_dir($keyfile)) {
$size += self::calculateSize(new \OC\Files\View('/' . $user . '/' . $keyfile));
$size += self::calculateSize(new \OC\Files\View('/' . $user . '/' . $sharekeys));
} else {
$size += $view->filesize($keyfile);
$size += $view->filesize($sharekeys);
}
$view->unlink($keyfile);
$view->unlink($sharekeys);
}
$view->unlink($keyfile);
}
if ($view->is_dir('/files_trashbin/files/'.$file)) {
$size += self::calculateSize(new \OC\Files\View('/'.$user.'/files_trashbin/files/'.$file));
} else {
$size += $view->filesize('/files_trashbin/files/'.$file);
}
$view->unlink('/files_trashbin/files/'.$file);
$trashbinSize -= $size;
self::setTrashbinSize($user, $trashbinSize);
return $size;
}