/**
* Validate file by attribute validate rules
* Return array of errors
*
* @param array $value
* @return string[]
*/
protected function _validateByRules($value)
{
$label = $value['name'];
$rules = $this->getAttribute()->getValidationRules();
$extension = pathinfo($value['name'], PATHINFO_EXTENSION);
if (!empty($rules['file_extensions'])) {
$extensions = explode(',', $rules['file_extensions']);
$extensions = array_map('trim', $extensions);
if (!in_array($extension, $extensions)) {
return array(__('"%1" is not a valid file extension.', $extension));
}
}
/**
* Check protected file extension
*/
if (!$this->_fileValidator->isValid($extension)) {
return $this->_fileValidator->getMessages();
}
if (!$this->_isUploadedFile($value['tmp_name'])) {
return array(__('"%1" is not a valid file.', $label));
}
if (!empty($rules['max_file_size'])) {
$size = $value['size'];
if ($rules['max_file_size'] < $size) {
return array(__('"%1" exceeds the allowed file size.', $label));
}
}
return array();
}
/**
* Check protected/allowed extension
*
* @param string $extension
* @return boolean
*/
public function checkAllowedExtension($extension)
{
//validate with protected file types
if (!$this->_validator->isValid($extension)) {
return false;
}
return parent::checkAllowedExtension($extension);
}
public function testIsValid()
{
$this->assertTrue($this->_model->isValid('html'));
$this->assertTrue($this->_model->isValid('jpg'));
$this->assertFalse($this->_model->isValid('php'));
$this->assertFalse($this->_model->isValid('jar'));
$this->assertFalse($this->_model->isValid('exe'));
}
