/**
* Override moveUploadedFile
*
* If the request is not HTTP, or not a PUT or PATCH request, delegates to
* the parent functionality.
*
* Otherwise, does a `rename()` operation, and returns the status of the
* operation.
*
* @param string $sourceFile
* @param string $targetFile
* @return bool
* @throws FilterRuntimeException in the event of a warning
*/
protected function moveUploadedFile($sourceFile, $targetFile)
{
if (null === $this->request || !method_exists($this->request, 'isPut') || !$this->request->isPut() && !$this->request->isPatch()) {
return parent::moveUploadedFile($sourceFile, $targetFile);
}
ErrorHandler::start();
$result = rename($sourceFile, $targetFile);
$warningException = ErrorHandler::stop();
if (false === $result || null !== $warningException) {
throw new FilterRuntimeException(sprintf('File "%s" could not be renamed. An error occurred while processing the file.', $sourceFile), 0, $warningException);
}
return $result;
}
/**
* Overrides isValid()
*
* If the reason for failure is self::ATTACK, we can assume that
* is_uploaded_file() has failed -- which is
*
* @param mixed $value
* @return void
*/
public function isValid($value)
{
if (null === $this->request || !method_exists($this->request, 'isPut') || !$this->request->isPut() && !$this->request->isPatch()) {
// In absence of a request object, an HTTP request, or a PATCH/PUT
// operation, just use the parent logic.
return parent::isValid($value);
}
$result = parent::isValid($value);
if ($result !== false) {
return $result;
}
if (!isset($this->abstractOptions['messages'][static::ATTACK])) {
return $result;
}
if (count($this->abstractOptions['messages']) > 1) {
return $result;
}
unset($this->abstractOptions['messages'][static::ATTACK]);
return true;
}