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<?php |
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namespace Meng\Soap\HttpBinding; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\StreamInterface; |
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use Zend\Diactoros\Request; |
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use Zend\Diactoros\Stream; |
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/** |
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* This class create PSR HTTP requests that embed SOAP messages. |
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*/ |
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class RequestBuilder |
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{ |
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const SOAP11 = '1.1'; |
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const SOAP12 = '1.2'; |
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/** |
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* @var string |
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*/ |
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private $endpoint; |
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/** |
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* @var string |
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*/ |
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private $soapVersion = self::SOAP11; |
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/** |
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* @var string |
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*/ |
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private $soapAction = ''; |
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/** |
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* @var StreamInterface |
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*/ |
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private $soapMessage; |
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/** |
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* @var bool |
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*/ |
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private $hasSoapMessage = false; |
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/** |
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* @var string |
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*/ |
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private $httpMethod = 'POST'; |
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/** |
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* @return RequestInterface |
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*/ |
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public function getSoapHttpRequest() |
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{ |
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$this->validate(); |
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$headers = $this->prepareHeaders(); |
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$message = $this->prepareMessage(); |
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$request = new Request( |
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$this->endpoint, |
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$this->httpMethod, |
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$message, |
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$headers |
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); |
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$this->unsetAll(); |
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return $request; |
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} |
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/** |
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* @param string $endpoint |
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* @return self |
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*/ |
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public function setEndpoint($endpoint) |
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{ |
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$this->endpoint = $endpoint; |
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return $this; |
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} |
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/** |
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* @return self |
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*/ |
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public function isSOAP11() |
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{ |
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$this->soapVersion = self::SOAP11; |
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return $this; |
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} |
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public function isSOAP12() |
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{ |
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$this->soapVersion = self::SOAP12; |
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return $this; |
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} |
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/** |
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* @param string $soapAction |
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* @return self |
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*/ |
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public function setSoapAction($soapAction) |
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{ |
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$this->soapAction = $soapAction; |
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return $this; |
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} |
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/** |
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* @param StreamInterface $message |
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* @return self |
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*/ |
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public function setSoapMessage($message) |
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{ |
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$this->soapMessage = $message; |
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$this->hasSoapMessage = true; |
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return $this; |
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} |
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/** |
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* @param string $method |
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* @return self |
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*/ |
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public function setHttpMethod($method) |
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{ |
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$this->httpMethod = $method; |
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return $this; |
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} |
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private function validate() |
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{ |
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$isValid = true; |
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if (!$this->endpoint) { |
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$isValid = false; |
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} |
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if (!$this->hasSoapMessage && $this->httpMethod == 'POST') { |
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$isValid = false; |
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} |
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if ($this->hasSoapMessage && !$this->soapMessage instanceof StreamInterface) { |
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$isValid = false; |
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} |
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/** |
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* SOAP 1.1 only defines HTTP binding with POST method. |
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* @link https://www.w3.org/TR/2000/NOTE-SOAP-20000508/#_Toc478383527 |
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*/ |
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if ($this->soapVersion == self::SOAP11 && $this->httpMethod != 'POST') { |
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$isValid = false; |
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} |
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/** |
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* SOAP 1.2 only defines HTTP binding with POST and GET methods. |
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* @link https://www.w3.org/TR/2007/REC-soap12-part0-20070427/#L10309 |
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*/ |
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if ($this->soapVersion == self::SOAP12 && !in_array($this->httpMethod, ['GET', 'POST'])) { |
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$isValid = false; |
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} |
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if (!$isValid) { |
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$this->unsetAll(); |
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throw new RequestException; |
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} |
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} |
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/** |
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* @return array |
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*/ |
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private function prepareHeaders() |
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{ |
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if ($this->soapVersion == self::SOAP11) { |
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return $this->prepareSoap11Headers(); |
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} else { |
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return $this->prepareSoap12Headers(); |
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} |
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} |
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/** |
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* @link https://www.w3.org/TR/2000/NOTE-SOAP-20000508/#_Toc478383526 |
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* @return array |
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*/ |
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private function prepareSoap11Headers() |
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{ |
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$headers = []; |
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$headers['Content-Length'] = strlen($this->soapMessage->getContents()); |
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$headers['SOAPAction'] = $this->soapAction; |
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$headers['Content-Type'] = 'text/xml; charset="utf-8"'; |
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return $headers; |
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} |
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/** |
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* SOSPAction header is removed in SOAP 1.2 and now expressed as a value of |
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* an (optional) "action" parameter of the "application/soap+xml" media type. |
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* @link https://www.w3.org/TR/soap12-part0/#L4697 |
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* @return array |
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*/ |
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private function prepareSoap12Headers() |
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{ |
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$headers = []; |
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if ($this->httpMethod == 'POST') { |
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$headers['Content-Length'] = strlen($this->soapMessage->getContents()); |
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$headers['Content-Type'] = 'application/soap+xml; charset="utf-8"' . '; action="' . $this->soapAction . '"'; |
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} else { |
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$headers['Accept'] = 'application/soap+xml'; |
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} |
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return $headers; |
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} |
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/** |
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* @return StreamInterface |
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*/ |
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private function prepareMessage() |
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{ |
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if ($this->httpMethod == 'POST') { |
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return $this->soapMessage; |
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} else { |
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return new Stream(fopen('php://temp', 'r')); |
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} |
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} |
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private function unsetAll() |
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{ |
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$this->endpoint = null; |
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if ($this->hasSoapMessage) { |
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$this->soapMessage = null; |
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$this->hasSoapMessage = false; |
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} |
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$this->soapAction = ''; |
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$this->soapVersion = self::SOAP11; |
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$this->httpMethod = 'POST'; |
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} |
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} |
meng-tian /
soap-http-binding
