--- /dev/null
+<?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);
+ }
+}