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check for dir in deleteFileKey() and delShareKey(), to always handle all share keys and file keys on delete

This commit is contained in:
Björn Schießle 2013-03-26 16:52:58 +01:00
parent 73157133e8
commit e717f7150e
2 changed files with 43 additions and 44 deletions
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56
apps/files_encryption/lib/keymanager.php
View File

@ -178,21 +178,27 @@ class Keymanager {
public static function deleteFileKey( \OC_FilesystemView $view, $userId, $path ) {
$trimmed = ltrim( $path, '/' );
$keyPath = '/' . $userId . '/files_encryption/keyfiles/' . $trimmed . '.key';
// Unlink doesn't tell us if file was deleted (not found returns
// true), so we perform our own test
if ( $view->file_exists( $keyPath ) ) {
return $view->unlink( $keyPath );
} else {
$keyPath = '/' . $userId . '/files_encryption/keyfiles/' . $trimmed;
$result = false;
if ( $view->is_dir($keyPath) ) {
$result = $view->unlink($keyPath);
} else if ( $view->file_exists( $keyPath.'.key' ) ) {
$result = $view->unlink( $keyPath.'.key' );
}
if ( !$result ) {
\OC_Log::write( 'Encryption library', 'Could not delete keyfile; does not exist: "' . $keyPath, \OC_Log::ERROR );
return false;
}
return $result;
}
@ -365,22 +371,28 @@ class Keymanager {
$shareKeyPath = '/' . $userId . '/files_encryption/share-keys/' . $filePath;
$absPath = $view->getLocalFile($shareKeyPath);
$result = false;
$matches = glob(preg_quote($absPath).'.*.shareKey' );
if ( $view->is_dir($shareKeyPath) ) {
$result = $view->unlink($shareKeyPath);
} else {
$absPath = $view->getLocalFile($shareKeyPath);
if ( $matches ) {
$matches = glob(preg_quote($absPath).'.*.shareKey' );
if ( $matches ) {
foreach ( $matches as $ma ) {
unlink($ma);
}
foreach ( $matches as $ma ) {
unlink($ma);
}
} else {
$result = true;
}
if ( !result ) {
\OC_Log::write( 'Encryption library', 'Could not delete shareKey; does not exist: "' . $shareKeyPath, \OC_Log::ERROR );
$result = false;
}
\OC_FileProxy::$enabled = false;

31
apps/files_encryption/lib/proxy.php
View File

@ -302,30 +302,17 @@ class Proxy extends \OC_FileProxy {
list($owner, $ownerPath) = $util->getUidAndFilename($relPath);
$filePath = $owner . '/' . 'files_encryption' . '/' . 'keyfiles' . '/'. $ownerPath;
// Delete keyfile & shareKey so it isn't orphaned
if (
! (
Keymanager::deleteFileKey( $view, $owner, $ownerPath )
&& Keymanager::delShareKey( $view, $owner, $ownerPath )
)
) {
if ( $view->is_dir( $ownerPath ) ) {
// Dirs must be handled separately as deleteFileKey
// doesn't handle them
$view->unlink( $filePath );
} else {
// Delete keyfile & shareKey so it isn't orphaned
if (
! (
Keymanager::deleteFileKey( $view, $owner, $ownerPath )
&& Keymanager::delShareKey( $view, $owner, $ownerPath )
)
) {
\OC_Log::write( 'Encryption library', 'Keyfile or shareKey could not be deleted for file "'.$filePath.'"', \OC_Log::ERROR );
\OC_Log::write( 'Encryption library', 'Keyfile or shareKey could not be deleted for file "'.$filePath.'"', \OC_Log::ERROR );
}
}
\OC_FileProxy::$enabled = true;