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<?php |
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namespace Bmatovu\LaravelXml\Support; |
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use DOMDocument; |
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/** |
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* Class XmlValidator. |
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* |
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* Validates XML against XSD |
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* |
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* @see ValidatingXML https://medium.com/@Sirolad/validating-xml-against-xsd-in-php-5607f725955a |
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*/ |
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class XmlValidator |
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{ |
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/** |
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* DOM Document. |
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* |
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* @var \DOMDocument |
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*/ |
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protected $domDocument = ''; |
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/** |
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* XML Schema Definition. |
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* |
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* @var string |
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*/ |
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protected $xsd = ''; |
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/** |
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* Constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->domDocument = new DOMDocument(); |
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} |
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/** |
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* Check if a string is valid XML. |
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* |
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* @see https://stackoverflow.com/a/31240779/2732184 |
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* |
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* @param string $xmlStr |
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* @param bool $ignoreHtml |
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* |
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* @return bool |
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*/ |
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public function is_valid($xmlStr, $ignoreHtml = true) |
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{ |
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$xmlStr = trim($xmlStr); |
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if ('' === $xmlStr) { |
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return false; |
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} |
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if ($ignoreHtml && false !== stripos($xmlStr, '<!DOCTYPE html>')) { |
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return false; |
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} |
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libxml_use_internal_errors(true); |
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simplexml_load_string($xmlStr); |
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$errors = libxml_get_errors(); |
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libxml_clear_errors(); |
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return empty($errors); |
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} |
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/** |
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* Validate XML string. |
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* |
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* @see https://www.php.net/manual/en/class.simplexmlelement.php#107869 |
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* |
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* @param string $xmlStr |
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* @param string $xsdFilePath |
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* @param int $flags |
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* @param bool $checkXml |
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* |
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* @throws \Exception |
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* |
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* @return array |
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*/ |
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public function validate($xmlStr, $xsdFilePath, $flags = 0, $checkXml = false) |
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{ |
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libxml_use_internal_errors(true); |
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if ('' === $xmlStr || ($checkXml && ! $this->is_valid($xmlStr))) { |
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throw new \Exception('Malformed XML.'); |
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} |
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$this->domDocument->loadXML($xmlStr); |
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$errors = []; |
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if (! $this->domDocument->schemaValidate($xsdFilePath, $flags)) { |
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foreach (libxml_get_errors() as $error) { |
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$errors[$this->getElement($error->message)][] = $this->getMessage($error->message); |
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} |
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libxml_clear_errors(); |
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} |
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return $errors; |
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} |
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/** |
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* Get element from message. |
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* |
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* @param $message |
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* |
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* @return mixed |
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*/ |
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protected function getElement($message) |
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{ |
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$matches = []; |
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preg_match("/'([-_\\w]+)'/", $message, $matches); |
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return array_pop($matches); |
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} |
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/** |
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* Get refined message. |
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* |
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* @param $message |
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* |
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* @return string |
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*/ |
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protected function getMessage($message) |
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{ |
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$parts = explode(':', $message); |
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return trim(array_pop($parts)); |
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} |
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} |
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mtvbrianking /
laravel-xml
