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<?php |
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/** |
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* amadeus-ws-client |
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* |
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* Copyright 2015 Amadeus Benelux NV |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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* @package Amadeus |
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* @license https://opensource.org/licenses/Apache-2.0 Apache 2.0 |
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*/ |
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namespace Amadeus\Client; |
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use Psr\Log; |
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/** |
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* Amadeus Web Services SoapClient class |
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* |
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* This SoapClient will perform an XSLT transformation on the request to be sent to the amadeus server: |
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* it will remove any empty XML tags except for some specific tags that may be required to be present and empty. |
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* |
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* If you do not remove empty XML tags, you will get SoapFaults back from the server when unexpected empty elements |
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* are present in your request. |
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* |
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* @package Amadeus\Client |
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* @author Dieter Devlieghere <[email protected]> |
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*/ |
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class SoapClient extends \SoapClient implements Log\LoggerAwareInterface |
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{ |
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use Log\LoggerAwareTrait; |
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const REMOVE_EMPTY_XSLT_LOCATION = 'SoapClient/removeempty.xslt'; |
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/** |
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* Construct a new SoapClient |
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* |
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* @param string $wsdl Location of WSDL file |
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* @param array $options initialisation options |
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* @param Log\LoggerInterface|null $logger Error logging object |
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*/ |
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public function __construct($wsdl, $options, ?Log\LoggerInterface $logger = null) |
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{ |
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if (!($logger instanceof Log\LoggerInterface)) { |
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$logger = new Log\NullLogger(); |
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} |
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$this->setLogger($logger); |
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parent::__construct($wsdl, $options); |
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} |
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/** |
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* __doRequest override of SoapClient |
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* |
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* @param string $request The XML SOAP request. |
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* @param string $location The URL to request. |
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* @param string $action The SOAP action. |
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* @param int $version The SOAP version. |
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* @param int|null $oneWay |
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* @uses parent::__doRequest |
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* @return string The XML SOAP response. |
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* @throws Exception When PHP XSL extension is not enabled or WSDL file isn't readable. |
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*/ |
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#[\ReturnTypeWillChange] |
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public function __doRequest($request, $location, $action, $version, $oneWay = null) |
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{ |
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if (!extension_loaded('xsl')) { |
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throw new Exception('PHP XSL extension is not enabled.'); |
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} |
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$newRequest = $this->transformIncomingRequest($request); |
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return parent::__doRequest($newRequest, $location, $action, $version, $oneWay); |
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} |
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/** |
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* @param string $request |
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* @return string |
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* @throws Exception when XSLT file isn't readable |
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*/ |
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protected function transformIncomingRequest($request) |
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{ |
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$xsltFile = __DIR__ .DIRECTORY_SEPARATOR.self::REMOVE_EMPTY_XSLT_LOCATION; |
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if (!is_readable($xsltFile)) { |
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throw new Exception('XSLT file "'.$xsltFile.'" is not readable!'); |
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} |
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$dom = new \DOMDocument('1.0', 'UTF-8'); |
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$dom->loadXML($request); |
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$xslt = new \DOMDocument('1.0', 'UTF-8'); |
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$xslt->load($xsltFile); |
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$processor = new \XSLTProcessor(); |
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$processor->importStylesheet($xslt); |
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$transform = $processor->transformToXml($dom); |
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if ($transform === false) { |
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//On transform error: usually when modifying the XSLT transformation incorrectly... |
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$this->logger?->log( |
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Log\LogLevel::ERROR, |
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__METHOD__."__doRequest(): XSLTProcessor::transformToXml " |
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. "returned FALSE: could not perform transformation!!" |
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); |
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$newRequest = $request; |
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} else { |
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$newDom = new \DOMDocument('1.0', 'UTF-8'); |
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$newDom->preserveWhiteSpace = false; |
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$newDom->loadXML($transform); |
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$newRequest = $newDom->saveXML(); |
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} |
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unset($processor, $xslt, $dom, $transform); |
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return $newRequest; |
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} |
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} |
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amabnl /
amadeus-ws-client
