--- /dev/null
+<?php\r
+/**\r
+ * Base class for HTTP_Request2 adapters\r
+ *\r
+ * PHP version 5\r
+ *\r
+ * LICENSE:\r
+ *\r
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>\r
+ * All rights reserved.\r
+ *\r
+ * Redistribution and use in source and binary forms, with or without\r
+ * modification, are permitted provided that the following conditions\r
+ * are met:\r
+ *\r
+ * * Redistributions of source code must retain the above copyright\r
+ * notice, this list of conditions and the following disclaimer.\r
+ * * Redistributions in binary form must reproduce the above copyright\r
+ * notice, this list of conditions and the following disclaimer in the\r
+ * documentation and/or other materials provided with the distribution.\r
+ * * The names of the authors may not be used to endorse or promote products\r
+ * derived from this software without specific prior written permission.\r
+ *\r
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS\r
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,\r
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\r
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR\r
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,\r
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,\r
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\r
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY\r
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING\r
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\r
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
+ *\r
+ * @category HTTP\r
+ * @package HTTP_Request2\r
+ * @author Alexey Borzov <avb@php.net>\r
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License\r
+ * @version CVS: $Id: Adapter.php 274684 2009-01-26 23:07:27Z avb $\r
+ * @link http://pear.php.net/package/HTTP_Request2\r
+ */\r
+\r
+/**\r
+ * Class representing a HTTP response\r
+ */\r
+require_once 'HTTP/Request2/Response.php';\r
+\r
+/**\r
+ * Base class for HTTP_Request2 adapters\r
+ *\r
+ * HTTP_Request2 class itself only defines methods for aggregating the request\r
+ * data, all actual work of sending the request to the remote server and \r
+ * receiving its response is performed by adapters.\r
+ *\r
+ * @category HTTP\r
+ * @package HTTP_Request2\r
+ * @author Alexey Borzov <avb@php.net>\r
+ * @version Release: 0.4.1\r
+ */\r
+abstract class HTTP_Request2_Adapter\r
+{\r
+ /**\r
+ * A list of methods that MUST NOT have a request body, per RFC 2616\r
+ * @var array\r
+ */\r
+ protected static $bodyDisallowed = array('TRACE');\r
+\r
+ /**\r
+ * Methods having defined semantics for request body\r
+ *\r
+ * Content-Length header (indicating that the body follows, section 4.3 of\r
+ * RFC 2616) will be sent for these methods even if no body was added\r
+ *\r
+ * @var array\r
+ * @link http://pear.php.net/bugs/bug.php?id=12900\r
+ * @link http://pear.php.net/bugs/bug.php?id=14740\r
+ */\r
+ protected static $bodyRequired = array('POST', 'PUT');\r
+\r
+ /**\r
+ * Request being sent\r
+ * @var HTTP_Request2\r
+ */\r
+ protected $request;\r
+\r
+ /**\r
+ * Request body\r
+ * @var string|resource|HTTP_Request2_MultipartBody\r
+ * @see HTTP_Request2::getBody()\r
+ */\r
+ protected $requestBody;\r
+\r
+ /**\r
+ * Length of the request body\r
+ * @var integer\r
+ */\r
+ protected $contentLength;\r
+\r
+ /**\r
+ * Sends request to the remote server and returns its response\r
+ *\r
+ * @param HTTP_Request2\r
+ * @return HTTP_Request2_Response\r
+ * @throws HTTP_Request2_Exception\r
+ */\r
+ abstract public function sendRequest(HTTP_Request2 $request);\r
+\r
+ /**\r
+ * Calculates length of the request body, adds proper headers\r
+ *\r
+ * @param array associative array of request headers, this method will \r
+ * add proper 'Content-Length' and 'Content-Type' headers \r
+ * to this array (or remove them if not needed)\r
+ */\r
+ protected function calculateRequestLength(&$headers)\r
+ {\r
+ $this->requestBody = $this->request->getBody();\r
+\r
+ if (is_string($this->requestBody)) {\r
+ $this->contentLength = strlen($this->requestBody);\r
+ } elseif (is_resource($this->requestBody)) {\r
+ $stat = fstat($this->requestBody);\r
+ $this->contentLength = $stat['size'];\r
+ rewind($this->requestBody);\r
+ } else {\r
+ $this->contentLength = $this->requestBody->getLength();\r
+ $headers['content-type'] = 'multipart/form-data; boundary=' .\r
+ $this->requestBody->getBoundary();\r
+ $this->requestBody->rewind();\r
+ }\r
+\r
+ if (in_array($this->request->getMethod(), self::$bodyDisallowed) ||\r
+ 0 == $this->contentLength\r
+ ) {\r
+ unset($headers['content-type']);\r
+ // No body: send a Content-Length header nonetheless (request #12900),\r
+ // but do that only for methods that require a body (bug #14740)\r
+ if (in_array($this->request->getMethod(), self::$bodyRequired)) {\r
+ $headers['content-length'] = 0;\r
+ } else {\r
+ unset($headers['content-length']);\r
+ }\r
+ } else {\r
+ if (empty($headers['content-type'])) {\r
+ $headers['content-type'] = 'application/x-www-form-urlencoded';\r
+ }\r
+ $headers['content-length'] = $this->contentLength;\r
+ }\r
+ }\r
+}\r
+?>\r