Viewing file:  CurlRequest.php (6.41 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?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/Request/CurlRequest.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
*/
/**
* Provides support for performing web-requests via curl
*
* @class CAS_Request_CurlRequest
* @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_Request_CurlRequest
extends CAS_Request_AbstractRequest
implements CAS_Request_RequestInterface
{
/**
* Set additional curl options
*
* @param array $options option to set
*
* @return void
*/
public function setCurlOptions (array $options)
{
$this->_curlOptions = $options;
}
private $_curlOptions = array();
/**
* Send the request and store the results.
*
* @return bool true on success, false on failure.
*/
protected function sendRequest ()
{
phpCAS::traceBegin();
/*********************************************************
* initialize the CURL session
*********************************************************/
$ch = $this->_initAndConfigure();
/*********************************************************
* Perform the query
*********************************************************/
$buf = curl_exec($ch);
if ( $buf === false ) {
phpCAS::trace('curl_exec() failed');
$this->storeErrorMessage('CURL error #'.curl_errno($ch).': '.curl_error($ch));
$res = false;
} else {
$this->storeResponseBody($buf);
phpCAS::trace("Response Body: \n".$buf."\n");
$res = true;
}
// close the CURL session
curl_close($ch);
phpCAS::traceEnd($res);
return $res;
}
/**
* Internal method to initialize our cURL handle and configure the request.
* This method should NOT be used outside of the CurlRequest or the
* CurlMultiRequest.
*
* @return resource The cURL handle on success, false on failure
*/
private function _initAndConfigure()
{
/*********************************************************
* initialize the CURL session
*********************************************************/
$ch = curl_init($this->url);
if (version_compare(PHP_VERSION, '5.1.3', '>=')) {
//only avaible in php5
curl_setopt_array($ch, $this->_curlOptions);
} else {
foreach ($this->_curlOptions as $key => $value) {
curl_setopt($ch, $key, $value);
}
}
/*********************************************************
* Set SSL configuration
*********************************************************/
if ($this->caCertPath) {
if ($this->validateCN) {
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
} else {
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 1);
}
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
curl_setopt($ch, CURLOPT_CAINFO, $this->caCertPath);
phpCAS::trace('CURL: Set CURLOPT_CAINFO ' . $this->caCertPath);
} else {
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
}
/*********************************************************
* Configure curl to capture our output.
*********************************************************/
// return the CURL output into a variable
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
// get the HTTP header with a callback
curl_setopt($ch, CURLOPT_HEADERFUNCTION, array($this, '_curlReadHeaders'));
/*********************************************************
* Add cookie headers to our request.
*********************************************************/
if (count($this->cookies)) {
$cookieStrings = array();
foreach ($this->cookies as $name => $val) {
$cookieStrings[] = $name.'='.$val;
}
curl_setopt($ch, CURLOPT_COOKIE, implode(';', $cookieStrings));
}
/*********************************************************
* Add any additional headers
*********************************************************/
if (count($this->headers)) {
curl_setopt($ch, CURLOPT_HTTPHEADER, $this->headers);
}
/*********************************************************
* Flag and Body for POST requests
*********************************************************/
if ($this->isPost) {
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $this->postBody);
}
return $ch;
}
/**
* Store the response body.
* This method should NOT be used outside of the CurlRequest or the
* CurlMultiRequest.
*
* @param string $body body to stor
*
* @return void
*/
private function _storeResponseBody ($body)
{
$this->storeResponseBody($body);
}
/**
* Internal method for capturing the headers from a curl request.
*
* @param handle $ch handle of curl
* @param string $header header
*
* @return void
*/
private function _curlReadHeaders ($ch, $header)
{
$this->storeResponseHeader($header);
return strlen($header);
}
}
|