public static function onError($number, $message, $file, $line)
{
if (error_reporting() === 0) {
return;
}
$msg = $message . ' at ' . $file . '#' . $line;
self::$logger->warning($msg, array('app' => 'PHP'));
}
/**
* see http://php.net/manual/en/function.fopen.php
*
* @param string $path
* @param string $mode
* @return resource
*/
public function fopen($path, $mode)
{
$encryptionEnabled = $this->encryptionManager->isEnabled();
$shouldEncrypt = false;
$encryptionModule = null;
$header = $this->getHeader($path);
$fullPath = $this->getFullPath($path);
$encryptionModuleId = $this->util->getEncryptionModuleId($header);
$size = $unencryptedSize = 0;
$targetExists = $this->file_exists($path);
$targetIsEncrypted = false;
if ($targetExists) {
// in case the file exists we require the explicit module as
// specified in the file header - otherwise we need to fail hard to
// prevent data loss on client side
if (!empty($encryptionModuleId)) {
$targetIsEncrypted = true;
$encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
}
$size = $this->storage->filesize($path);
$unencryptedSize = $this->filesize($path);
}
try {
if ($mode === 'w' || $mode === 'w+' || $mode === 'wb' || $mode === 'wb+') {
if (!empty($encryptionModuleId)) {
$encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
$shouldEncrypt = $encryptionModule->shouldEncrypt($fullPath);
} elseif ($encryptionEnabled) {
$encryptionModule = $this->encryptionManager->getDefaultEncryptionModule();
$shouldEncrypt = $encryptionModule->shouldEncrypt($fullPath);
}
} else {
// only get encryption module if we found one in the header
if (!empty($encryptionModuleId)) {
$encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
$shouldEncrypt = true;
}
}
} catch (ModuleDoesNotExistsException $e) {
$this->logger->warning('Encryption module "' . $encryptionModuleId . '" not found, file will be stored unencrypted (' . $e->getMessage() . ')');
}
// encryption disabled on write of new file and write to existing unencrypted file -> don't encrypt
if (!$encryptionEnabled || !$this->mount->getOption('encrypt', true)) {
if (!$targetExists || !$targetIsEncrypted) {
$shouldEncrypt = false;
}
}
if ($shouldEncrypt === true && !$this->util->isExcluded($fullPath) && $encryptionModule !== null) {
$source = $this->storage->fopen($path, $mode);
$handle = \OC\Files\Stream\Encryption::wrap($source, $path, $fullPath, $header, $this->uid, $encryptionModule, $this->storage, $this, $this->util, $this->fileHelper, $mode, $size, $unencryptedSize);
return $handle;
} else {
return $this->storage->fopen($path, $mode);
}
}
protected function cleanFiles($files)
{
foreach ($files as $file) {
if (file_exists($file)) {
try {
\OC_Helper::rmdirr($file);
} catch (\UnexpectedValueException $ex) {
$this->log->warning("Error deleting temporary file/folder: {file} - Reason: {error}", array('file' => $file, 'error' => $ex->getMessage()));
}
}
}
}
