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<?php |
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/** |
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* This file is part of the PHPMongo package. |
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* |
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* (c) Dmytro Sokil <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Sokil\Mongo\Validator; |
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use Sokil\Mongo\Structure; |
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class UrlValidator extends \Sokil\Mongo\Validator |
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{ |
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public function validateField(Structure $document, $fieldName, array $params) |
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{ |
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$value = $document->get($fieldName); |
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// check only if set |
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if (!$value) { |
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return; |
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} |
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// check if url valid |
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$isValidUrl = (bool) filter_var($value, FILTER_VALIDATE_URL); |
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if (!$isValidUrl) { |
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if (!isset($params['message'])) { |
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$params['message'] = 'Value of field "' |
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. $fieldName |
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. '" is not valid url in model ' |
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. get_called_class(); |
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} |
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$document->addError($fieldName, $this->getName(), $params['message']); |
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return; |
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} |
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// ping not required - so url is valid |
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if (empty($params['ping'])) { |
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return; |
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} |
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// ping required |
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$dnsRecordExists = dns_get_record(parse_url($value, PHP_URL_HOST)); |
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// network not allowed |
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if ($dnsRecordExists === false) { |
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throw new \RuntimeException('Error getting DNS record to validated url'); |
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} |
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// empty array - host not found |
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if (is_array($dnsRecordExists) && empty($dnsRecordExists)) { |
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if (!isset($params['message'])) { |
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$params['message'] = 'Value of field "' |
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. $fieldName |
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. '" is valid url but host is unreachable in model ' |
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. get_called_class(); |
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} |
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$document->addError($fieldName, $this->getName(), $params['message']); |
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return; |
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} |
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if ($this->isUrlAccessible($value)) { |
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return; |
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} |
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if (!isset($params['message'])) { |
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$params['message'] = 'Value of field "' |
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. $fieldName |
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. '" is valid url but page not found ' |
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. get_called_class(); |
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} |
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$document->addError($fieldName, $this->getName(), $params['message']); |
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} |
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private function isUrlAccessible($url) |
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{ |
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$headers = get_headers($url, true); |
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$isAccessible = false; |
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$i = 0; |
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while (true) { |
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if (false !== strpos($headers[$i], '200')) { |
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$isAccessible = true; |
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break; |
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} |
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$i++; |
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if (!isset($headers[$i])) { |
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break; |
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} |
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} |
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// page is accessible |
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return $isAccessible; |
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} |
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} |
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sokil /
php-mongo
