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<?php
/**
* Licensed to Jasig under one or more contributor license
* agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*
* Jasig licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* PHP Version 5
*
* @file CAS/ProxiedService/Http/Post.php
* @category Authentication
* @package PhpCAS
* @author Adam Franco <afranco@middlebury.edu>
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
* @link https://wiki.jasig.org/display/CASC/phpCAS
*/
/**
* This class is used to make proxied service requests via the HTTP POST method.
*
* Usage Example:
*
* try {
* $service = phpCAS::getProxiedService(PHPCAS_PROXIED_SERVICE_HTTP_POST);
* $service->setUrl('http://www.example.com/path/');
* $service->setContentType('text/xml');
* $service->setBody(''<?xml version="1.0"?'.'><methodCall><methodName>example.search</methodName></methodCall>');
* $service->send();
* if ($service->getResponseStatusCode() == 200)
* return $service->getResponseBody();
* else
* // The service responded with an error code 404, 500, etc.
* throw new Exception('The service responded with an error.');
*
* } catch (CAS_ProxyTicketException $e) {
* if ($e->getCode() == PHPCAS_SERVICE_PT_FAILURE)
* return "Your login has timed out. You need to log in again.";
* else
* // Other proxy ticket errors are from bad request format (shouldn't happen)
* // or CAS server failure (unlikely) so lets just stop if we hit those.
* throw $e;
* } catch (CAS_ProxiedService_Exception $e) {
* // Something prevented the service request from being sent or received.
* // We didn't even get a valid error response (404, 500, etc), so this
* // might be caused by a network error or a DNS resolution failure.
* // We could handle it in some way, but for now we will just stop.
* throw $e;
* }
*
* @class CAS_ProxiedService_Http_Post
* @category Authentication
* @package PhpCAS
* @author Adam Franco <afranco@middlebury.edu>
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
* @link https://wiki.jasig.org/display/CASC/phpCAS
*/
class CAS_ProxiedService_Http_Post
extends CAS_ProxiedService_Http_Abstract
{
/**
* The content-type of this request
*
* @var string $_contentType
*/
private $_contentType;
/**
* The body of the this request
*
* @var string $_body
*/
private $_body;
/**
* Set the content type of this POST request.
*
* @param string $contentType content type
*
* @return void
* @throws CAS_OutOfSequenceException If called after the Request has been sent.
*/
public function setContentType ($contentType)
{
if ($this->hasBeenSent()) {
throw new CAS_OutOfSequenceException('Cannot set the content type, request already sent.');
}
$this->_contentType = $contentType;
}
/**
* Set the body of this POST request.
*
* @param string $body body to set
*
* @return void
* @throws CAS_OutOfSequenceException If called after the Request has been sent.
*/
public function setBody ($body)
{
if ($this->hasBeenSent()) {
throw new CAS_OutOfSequenceException('Cannot set the body, request already sent.');
}
$this->_body = $body;
}
/**
* Add any other parts of the request needed by concrete classes
*
* @param CAS_Request_RequestInterface $request request interface class
*
* @return void
*/
protected function populateRequest (CAS_Request_RequestInterface $request)
{
if (empty($this->_contentType) && !empty($this->_body)) {
throw new CAS_ProxiedService_Exception("If you pass a POST body, you must specify a content type via ".get_class($this).'->setContentType($contentType).');
}
$request->makePost();
if (!empty($this->_body)) {
$request->addHeader('Content-Type: '.$this->_contentType);
$request->addHeader('Content-Length: '.strlen($this->_body));
$request->setPostBody($this->_body);
}
}
}
?>
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