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<?php |
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/** |
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* Created by PhpStorm. |
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* User: leo108 |
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* Date: 2016/10/25 |
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* Time: 15:10 |
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*/ |
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namespace Leo108\CAS\Responses; |
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use Illuminate\Support\Str; |
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use SimpleXMLElement; |
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use Symfony\Component\HttpFoundation\Response; |
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class BaseXmlResponse |
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{ |
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/** |
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* @var SimpleXMLElement |
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*/ |
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protected $node; |
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/** |
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* BaseXmlResponse constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->node = $this->getRootNode(); |
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} |
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/** |
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* @return SimpleXMLElement |
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*/ |
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protected function getRootNode() |
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{ |
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return simplexml_load_string('<cas:serviceResponse xmlns:cas="http://www.yale.edu/tp/cas"/>'); |
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} |
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/** |
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* @param SimpleXMLElement $xml |
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* @param string $xpath |
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*/ |
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protected function removeByXPath(SimpleXMLElement $xml, $xpath) |
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{ |
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$nodes = $xml->xpath($xpath); |
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foreach ($nodes as $node) { |
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$dom = dom_import_simplexml($node); |
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$dom->parentNode->removeChild($dom); |
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} |
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} |
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/** |
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* remove the first line of xml string |
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* @param string $str |
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* @return string |
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*/ |
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protected function removeXmlFirstLine($str) |
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{ |
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$first = '<?xml version="1.0"?>'; |
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if (Str::startsWith($str, $first)) { |
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return trim(substr($str, strlen($first))); |
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} |
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return $str; |
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} |
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/** |
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* @param mixed $value |
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* @return false|string |
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*/ |
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protected function stringify($value) |
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{ |
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if (is_string($value)) { |
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$str = $value; |
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} else if (is_object($value) && method_exists($value, '__toString')) { |
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$str = $value->__toString(); |
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} else if ($value instanceof \Serializable) { |
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$str = serialize($value); |
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} else { |
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//array or object that doesn't have __toString method |
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//json_encode will return false if encode failed |
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$str = json_encode($value); |
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} |
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return $str; |
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} |
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/** |
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* @return Response |
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*/ |
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public function toResponse() |
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{ |
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$content = $this->removeXmlFirstLine($this->node->asXML()); |
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return new Response($content, 200, ['Content-Type' => 'application/xml']); |
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} |
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} |
leo108 /
laravel_cas_server
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