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-<?php
-/**
- * Class for performing HTTP requests
- *
- * PHP versions 4 and 5
- *
- * LICENSE:
- *
- * Copyright (c) 2002-2007, Richard Heyes
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * o Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * o Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * o The names of the authors may not be used to endorse or promote
- * products derived from this software without specific prior written
- * permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * @category HTTP
- * @package HTTP_Request
- * @author Richard Heyes <richard@phpguru.org>
- * @author Alexey Borzov <avb@php.net>
- * @copyright 2002-2007 Richard Heyes
- * @license http://opensource.org/licenses/bsd-license.php New BSD License
- * @version CVS: $Id: Request.php 127 2008-01-17 20:21:37Z dcoulter $
- * @link http://pear.php.net/package/HTTP_Request/
- */
-
-/**
- * PEAR and PEAR_Error classes (for error handling)
- */
-require_once 'PEAR.php';
-/**
- * Socket class
- */
-require_once 'Net/Socket.php';
-/**
- * URL handling class
- */
-require_once 'Net/URL.php';
-
-/**#@+
- * Constants for HTTP request methods
- */
-define('HTTP_REQUEST_METHOD_GET', 'GET', true);
-define('HTTP_REQUEST_METHOD_HEAD', 'HEAD', true);
-define('HTTP_REQUEST_METHOD_POST', 'POST', true);
-define('HTTP_REQUEST_METHOD_PUT', 'PUT', true);
-define('HTTP_REQUEST_METHOD_DELETE', 'DELETE', true);
-define('HTTP_REQUEST_METHOD_OPTIONS', 'OPTIONS', true);
-define('HTTP_REQUEST_METHOD_TRACE', 'TRACE', true);
-/**#@-*/
-
-/**#@+
- * Constants for HTTP request error codes
- */
-define('HTTP_REQUEST_ERROR_FILE', 1);
-define('HTTP_REQUEST_ERROR_URL', 2);
-define('HTTP_REQUEST_ERROR_PROXY', 4);
-define('HTTP_REQUEST_ERROR_REDIRECTS', 8);
-define('HTTP_REQUEST_ERROR_RESPONSE', 16);
-define('HTTP_REQUEST_ERROR_GZIP_METHOD', 32);
-define('HTTP_REQUEST_ERROR_GZIP_READ', 64);
-define('HTTP_REQUEST_ERROR_GZIP_DATA', 128);
-define('HTTP_REQUEST_ERROR_GZIP_CRC', 256);
-/**#@-*/
-
-/**#@+
- * Constants for HTTP protocol versions
- */
-define('HTTP_REQUEST_HTTP_VER_1_0', '1.0', true);
-define('HTTP_REQUEST_HTTP_VER_1_1', '1.1', true);
-/**#@-*/
-
-if (extension_loaded('mbstring') && (2 & ini_get('mbstring.func_overload'))) {
- /**
- * Whether string functions are overloaded by their mbstring equivalents
- */
- define('HTTP_REQUEST_MBSTRING', true);
-} else {
- /**
- * @ignore
- */
- define('HTTP_REQUEST_MBSTRING', false);
-}
-
-/**
- * Class for performing HTTP requests
- *
- * Simple example (fetches yahoo.com and displays it):
- * <code>
- * $a = &new HTTP_Request('http://www.yahoo.com/');
- * $a->sendRequest();
- * echo $a->getResponseBody();
- * </code>
- *
- * @category HTTP
- * @package HTTP_Request
- * @author Richard Heyes <richard@phpguru.org>
- * @author Alexey Borzov <avb@php.net>
- * @version Release: 1.4.2
- */
-class HTTP_Request
-{
- /**#@+
- * @access private
- */
- /**
- * Instance of Net_URL
- * @var Net_URL
- */
- var $_url;
-
- /**
- * Type of request
- * @var string
- */
- var $_method;
-
- /**
- * HTTP Version
- * @var string
- */
- var $_http;
-
- /**
- * Request headers
- * @var array
- */
- var $_requestHeaders;
-
- /**
- * Basic Auth Username
- * @var string
- */
- var $_user;
-
- /**
- * Basic Auth Password
- * @var string
- */
- var $_pass;
-
- /**
- * Socket object
- * @var Net_Socket
- */
- var $_sock;
-
- /**
- * Proxy server
- * @var string
- */
- var $_proxy_host;
-
- /**
- * Proxy port
- * @var integer
- */
- var $_proxy_port;
-
- /**
- * Proxy username
- * @var string
- */
- var $_proxy_user;
-
- /**
- * Proxy password
- * @var string
- */
- var $_proxy_pass;
-
- /**
- * Post data
- * @var array
- */
- var $_postData;
-
- /**
- * Request body
- * @var string
- */
- var $_body;
-
- /**
- * A list of methods that MUST NOT have a request body, per RFC 2616
- * @var array
- */
- var $_bodyDisallowed = array('TRACE');
-
- /**
- * Files to post
- * @var array
- */
- var $_postFiles = array();
-
- /**
- * Connection timeout.
- * @var float
- */
- var $_timeout;
-
- /**
- * HTTP_Response object
- * @var HTTP_Response
- */
- var $_response;
-
- /**
- * Whether to allow redirects
- * @var boolean
- */
- var $_allowRedirects;
-
- /**
- * Maximum redirects allowed
- * @var integer
- */
- var $_maxRedirects;
-
- /**
- * Current number of redirects
- * @var integer
- */
- var $_redirects;
-
- /**
- * Whether to append brackets [] to array variables
- * @var bool
- */
- var $_useBrackets = true;
-
- /**
- * Attached listeners
- * @var array
- */
- var $_listeners = array();
-
- /**
- * Whether to save response body in response object property
- * @var bool
- */
- var $_saveBody = true;
-
- /**
- * Timeout for reading from socket (array(seconds, microseconds))
- * @var array
- */
- var $_readTimeout = null;
-
- /**
- * Options to pass to Net_Socket::connect. See stream_context_create
- * @var array
- */
- var $_socketOptions = null;
- /**#@-*/
-
- /**
- * Constructor
- *
- * Sets up the object
- * @param string The url to fetch/access
- * @param array Associative array of parameters which can have the following keys:
- * <ul>
- * <li>method - Method to use, GET, POST etc (string)</li>
- * <li>http - HTTP Version to use, 1.0 or 1.1 (string)</li>
- * <li>user - Basic Auth username (string)</li>
- * <li>pass - Basic Auth password (string)</li>
- * <li>proxy_host - Proxy server host (string)</li>
- * <li>proxy_port - Proxy server port (integer)</li>
- * <li>proxy_user - Proxy auth username (string)</li>
- * <li>proxy_pass - Proxy auth password (string)</li>
- * <li>timeout - Connection timeout in seconds (float)</li>
- * <li>allowRedirects - Whether to follow redirects or not (bool)</li>
- * <li>maxRedirects - Max number of redirects to follow (integer)</li>
- * <li>useBrackets - Whether to append [] to array variable names (bool)</li>
- * <li>saveBody - Whether to save response body in response object property (bool)</li>
- * <li>readTimeout - Timeout for reading / writing data over the socket (array (seconds, microseconds))</li>
- * <li>socketOptions - Options to pass to Net_Socket object (array)</li>
- * </ul>
- * @access public
- */
- function HTTP_Request($url = '', $params = array())
- {
- $this->_method = HTTP_REQUEST_METHOD_GET;
- $this->_http = HTTP_REQUEST_HTTP_VER_1_1;
- $this->_requestHeaders = array();
- $this->_postData = array();
- $this->_body = null;
-
- $this->_user = null;
- $this->_pass = null;
-
- $this->_proxy_host = null;
- $this->_proxy_port = null;
- $this->_proxy_user = null;
- $this->_proxy_pass = null;
-
- $this->_allowRedirects = false;
- $this->_maxRedirects = 3;
- $this->_redirects = 0;
-
- $this->_timeout = null;
- $this->_response = null;
-
- foreach ($params as $key => $value) {
- $this->{'_' . $key} = $value;
- }
-
- if (!empty($url)) {
- $this->setURL($url);
- }
-
- // Default useragent
- $this->addHeader('User-Agent', 'PEAR HTTP_Request class ( http://pear.php.net/ )');
-
- // We don't do keep-alives by default
- $this->addHeader('Connection', 'close');
-
- // Basic authentication
- if (!empty($this->_user)) {
- $this->addHeader('Authorization', 'Basic ' . base64_encode($this->_user . ':' . $this->_pass));
- }
-
- // Proxy authentication (see bug #5913)
- if (!empty($this->_proxy_user)) {
- $this->addHeader('Proxy-Authorization', 'Basic ' . base64_encode($this->_proxy_user . ':' . $this->_proxy_pass));
- }
-
- // Use gzip encoding if possible
- if (HTTP_REQUEST_HTTP_VER_1_1 == $this->_http && extension_loaded('zlib')) {
- $this->addHeader('Accept-Encoding', 'gzip');
- }
- }
-
- /**
- * Generates a Host header for HTTP/1.1 requests
- *
- * @access private
- * @return string
- */
- function _generateHostHeader()
- {
- if ($this->_url->port != 80 AND strcasecmp($this->_url->protocol, 'http') == 0) {
- $host = $this->_url->host . ':' . $this->_url->port;
-
- } elseif ($this->_url->port != 443 AND strcasecmp($this->_url->protocol, 'https') == 0) {
- $host = $this->_url->host . ':' . $this->_url->port;
-
- } elseif ($this->_url->port == 443 AND strcasecmp($this->_url->protocol, 'https') == 0 AND strpos($this->_url->url, ':443') !== false) {
- $host = $this->_url->host . ':' . $this->_url->port;
-
- } else {
- $host = $this->_url->host;
- }
-
- return $host;
- }
-
- /**
- * Resets the object to its initial state (DEPRECATED).
- * Takes the same parameters as the constructor.
- *
- * @param string $url The url to be requested
- * @param array $params Associative array of parameters
- * (see constructor for details)
- * @access public
- * @deprecated deprecated since 1.2, call the constructor if this is necessary
- */
- function reset($url, $params = array())
- {
- $this->HTTP_Request($url, $params);
- }
-
- /**
- * Sets the URL to be requested
- *
- * @param string The url to be requested
- * @access public
- */
- function setURL($url)
- {
- $this->_url = &new Net_URL($url, $this->_useBrackets);
-
- if (!empty($this->_url->user) || !empty($this->_url->pass)) {
- $this->setBasicAuth($this->_url->user, $this->_url->pass);
- }
-
- if (HTTP_REQUEST_HTTP_VER_1_1 == $this->_http) {
- $this->addHeader('Host', $this->_generateHostHeader());
- }
-
- // set '/' instead of empty path rather than check later (see bug #8662)
- if (empty($this->_url->path)) {
- $this->_url->path = '/';
- }
- }
-
- /**
- * Returns the current request URL
- *
- * @return string Current request URL
- * @access public
- */
- function getUrl()
- {
- return empty($this->_url)? '': $this->_url->getUrl();
- }
-
- /**
- * Sets a proxy to be used
- *
- * @param string Proxy host
- * @param int Proxy port
- * @param string Proxy username
- * @param string Proxy password
- * @access public
- */
- function setProxy($host, $port = 8080, $user = null, $pass = null)
- {
- $this->_proxy_host = $host;
- $this->_proxy_port = $port;
- $this->_proxy_user = $user;
- $this->_proxy_pass = $pass;
-
- if (!empty($user)) {
- $this->addHeader('Proxy-Authorization', 'Basic ' . base64_encode($user . ':' . $pass));
- }
- }
-
- /**
- * Sets basic authentication parameters
- *
- * @param string Username
- * @param string Password
- */
- function setBasicAuth($user, $pass)
- {
- $this->_user = $user;
- $this->_pass = $pass;
-
- $this->addHeader('Authorization', 'Basic ' . base64_encode($user . ':' . $pass));
- }
-
- /**
- * Sets the method to be used, GET, POST etc.
- *
- * @param string Method to use. Use the defined constants for this
- * @access public
- */
- function setMethod($method)
- {
- $this->_method = $method;
- }
-
- /**
- * Sets the HTTP version to use, 1.0 or 1.1
- *
- * @param string Version to use. Use the defined constants for this
- * @access public
- */
- function setHttpVer($http)
- {
- $this->_http = $http;
- }
-
- /**
- * Adds a request header
- *
- * @param string Header name
- * @param string Header value
- * @access public
- */
- function addHeader($name, $value)
- {
- $this->_requestHeaders[strtolower($name)] = $value;
- }
-
- /**
- * Removes a request header
- *
- * @param string Header name to remove
- * @access public
- */
- function removeHeader($name)
- {
- if (isset($this->_requestHeaders[strtolower($name)])) {
- unset($this->_requestHeaders[strtolower($name)]);
- }
- }
-
- /**
- * Adds a querystring parameter
- *
- * @param string Querystring parameter name
- * @param string Querystring parameter value
- * @param bool Whether the value is already urlencoded or not, default = not
- * @access public
- */
- function addQueryString($name, $value, $preencoded = false)
- {
- $this->_url->addQueryString($name, $value, $preencoded);
- }
-
- /**
- * Sets the querystring to literally what you supply
- *
- * @param string The querystring data. Should be of the format foo=bar&x=y etc
- * @param bool Whether data is already urlencoded or not, default = already encoded
- * @access public
- */
- function addRawQueryString($querystring, $preencoded = true)
- {
- $this->_url->addRawQueryString($querystring, $preencoded);
- }
-
- /**
- * Adds postdata items
- *
- * @param string Post data name
- * @param string Post data value
- * @param bool Whether data is already urlencoded or not, default = not
- * @access public
- */
- function addPostData($name, $value, $preencoded = false)
- {
- if ($preencoded) {
- $this->_postData[$name] = $value;
- } else {
- $this->_postData[$name] = $this->_arrayMapRecursive('urlencode', $value);
- }
- }
-
- /**
- * Recursively applies the callback function to the value
- *
- * @param mixed Callback function
- * @param mixed Value to process
- * @access private
- * @return mixed Processed value
- */
- function _arrayMapRecursive($callback, $value)
- {
- if (!is_array($value)) {
- return call_user_func($callback, $value);
- } else {
- $map = array();
- foreach ($value as $k => $v) {
- $map[$k] = $this->_arrayMapRecursive($callback, $v);
- }
- return $map;
- }
- }
-
- /**
- * Adds a file to upload
- *
- * This also changes content-type to 'multipart/form-data' for proper upload
- *
- * @access public
- * @param string name of file-upload field
- * @param mixed file name(s)
- * @param mixed content-type(s) of file(s) being uploaded
- * @return bool true on success
- * @throws PEAR_Error
- */
- function addFile($inputName, $fileName, $contentType = 'application/octet-stream')
- {
- if (!is_array($fileName) && !is_readable($fileName)) {
- return PEAR::raiseError("File '{$fileName}' is not readable", HTTP_REQUEST_ERROR_FILE);
- } elseif (is_array($fileName)) {
- foreach ($fileName as $name) {
- if (!is_readable($name)) {
- return PEAR::raiseError("File '{$name}' is not readable", HTTP_REQUEST_ERROR_FILE);
- }
- }
- }
- $this->addHeader('Content-Type', 'multipart/form-data');
- $this->_postFiles[$inputName] = array(
- 'name' => $fileName,
- 'type' => $contentType
- );
- return true;
- }
-
- /**
- * Adds raw postdata (DEPRECATED)
- *
- * @param string The data
- * @param bool Whether data is preencoded or not, default = already encoded
- * @access public
- * @deprecated deprecated since 1.3.0, method setBody() should be used instead
- */
- function addRawPostData($postdata, $preencoded = true)
- {
- $this->_body = $preencoded ? $postdata : urlencode($postdata);
- }
-
- /**
- * Sets the request body (for POST, PUT and similar requests)
- *
- * @param string Request body
- * @access public
- */
- function setBody($body)
- {
- $this->_body = $body;
- }
-
- /**
- * Clears any postdata that has been added (DEPRECATED).
- *
- * Useful for multiple request scenarios.
- *
- * @access public
- * @deprecated deprecated since 1.2
- */
- function clearPostData()
- {
- $this->_postData = null;
- }
-
- /**
- * Appends a cookie to "Cookie:" header
- *
- * @param string $name cookie name
- * @param string $value cookie value
- * @access public
- */
- function addCookie($name, $value)
- {
- $cookies = isset($this->_requestHeaders['cookie']) ? $this->_requestHeaders['cookie']. '; ' : '';
- $this->addHeader('Cookie', $cookies . $name . '=' . $value);
- }
-
- /**
- * Clears any cookies that have been added (DEPRECATED).
- *
- * Useful for multiple request scenarios
- *
- * @access public
- * @deprecated deprecated since 1.2
- */
- function clearCookies()
- {
- $this->removeHeader('Cookie');
- }
-
- /**
- * Sends the request
- *
- * @access public
- * @param bool Whether to store response body in Response object property,
- * set this to false if downloading a LARGE file and using a Listener
- * @return mixed PEAR error on error, true otherwise
- */
- function sendRequest($saveBody = true)
- {
- if (!is_a($this->_url, 'Net_URL')) {
- return PEAR::raiseError('No URL given', HTTP_REQUEST_ERROR_URL);
- }
-
- $host = isset($this->_proxy_host) ? $this->_proxy_host : $this->_url->host;
- $port = isset($this->_proxy_port) ? $this->_proxy_port : $this->_url->port;
-
- // 4.3.0 supports SSL connections using OpenSSL. The function test determines
- // we running on at least 4.3.0
- if (strcasecmp($this->_url->protocol, 'https') == 0 AND function_exists('file_get_contents') AND extension_loaded('openssl')) {
- if (isset($this->_proxy_host)) {
- return PEAR::raiseError('HTTPS proxies are not supported', HTTP_REQUEST_ERROR_PROXY);
- }
- $host = 'ssl://' . $host;
- }
-
- // magic quotes may fuck up file uploads and chunked response processing
- $magicQuotes = ini_get('magic_quotes_runtime');
- ini_set('magic_quotes_runtime', false);
-
- // RFC 2068, section 19.7.1: A client MUST NOT send the Keep-Alive
- // connection token to a proxy server...
- if (isset($this->_proxy_host) && !empty($this->_requestHeaders['connection']) &&
- 'Keep-Alive' == $this->_requestHeaders['connection'])
- {
- $this->removeHeader('connection');
- }
-
- $keepAlive = (HTTP_REQUEST_HTTP_VER_1_1 == $this->_http && empty($this->_requestHeaders['connection'])) ||
- (!empty($this->_requestHeaders['connection']) && 'Keep-Alive' == $this->_requestHeaders['connection']);
- $sockets = &PEAR::getStaticProperty('HTTP_Request', 'sockets');
- $sockKey = $host . ':' . $port;
- unset($this->_sock);
-
- // There is a connected socket in the "static" property?
- if ($keepAlive && !empty($sockets[$sockKey]) &&
- !empty($sockets[$sockKey]->fp))
- {
- $this->_sock =& $sockets[$sockKey];
- $err = null;
- } else {
- $this->_notify('connect');
- $this->_sock =& new Net_Socket();
- $err = $this->_sock->connect($host, $port, null, $this->_timeout, $this->_socketOptions);
- }
- PEAR::isError($err) or $err = $this->_sock->write($this->_buildRequest());
-
- if (!PEAR::isError($err)) {
- if (!empty($this->_readTimeout)) {
- $this->_sock->setTimeout($this->_readTimeout[0], $this->_readTimeout[1]);
- }
-
- $this->_notify('sentRequest');
-
- // Read the response
- $this->_response = &new HTTP_Response($this->_sock, $this->_listeners);
- $err = $this->_response->process(
- $this->_saveBody && $saveBody,
- HTTP_REQUEST_METHOD_HEAD != $this->_method
- );
-
- if ($keepAlive) {
- $keepAlive = (isset($this->_response->_headers['content-length'])
- || (isset($this->_response->_headers['transfer-encoding'])
- && strtolower($this->_response->_headers['transfer-encoding']) == 'chunked'));
- if ($keepAlive) {
- if (isset($this->_response->_headers['connection'])) {
- $keepAlive = strtolower($this->_response->_headers['connection']) == 'keep-alive';
- } else {
- $keepAlive = 'HTTP/'.HTTP_REQUEST_HTTP_VER_1_1 == $this->_response->_protocol;
- }
- }
- }
- }
-
- ini_set('magic_quotes_runtime', $magicQuotes);
-
- if (PEAR::isError($err)) {
- return $err;
- }
-
- if (!$keepAlive) {
- $this->disconnect();
- // Store the connected socket in "static" property
- } elseif (empty($sockets[$sockKey]) || empty($sockets[$sockKey]->fp)) {
- $sockets[$sockKey] =& $this->_sock;
- }
-
- // Check for redirection
- if ( $this->_allowRedirects
- AND $this->_redirects <= $this->_maxRedirects
- AND $this->getResponseCode() > 300
- AND $this->getResponseCode() < 399
- AND !empty($this->_response->_headers['location'])) {
-
-
- $redirect = $this->_response->_headers['location'];
-
- // Absolute URL
- if (preg_match('/^https?:\/\//i', $redirect)) {
- $this->_url = &new Net_URL($redirect);
- $this->addHeader('Host', $this->_generateHostHeader());
- // Absolute path
- } elseif ($redirect{0} == '/') {
- $this->_url->path = $redirect;
-
- // Relative path
- } elseif (substr($redirect, 0, 3) == '../' OR substr($redirect, 0, 2) == './') {
- if (substr($this->_url->path, -1) == '/') {
- $redirect = $this->_url->path . $redirect;
- } else {
- $redirect = dirname($this->_url->path) . '/' . $redirect;
- }
- $redirect = Net_URL::resolvePath($redirect);
- $this->_url->path = $redirect;
-
- // Filename, no path
- } else {
- if (substr($this->_url->path, -1) == '/') {
- $redirect = $this->_url->path . $redirect;
- } else {
- $redirect = dirname($this->_url->path) . '/' . $redirect;
- }
- $this->_url->path = $redirect;
- }
-
- $this->_redirects++;
- return $this->sendRequest($saveBody);
-
- // Too many redirects
- } elseif ($this->_allowRedirects AND $this->_redirects > $this->_maxRedirects) {
- return PEAR::raiseError('Too many redirects', HTTP_REQUEST_ERROR_REDIRECTS);
- }
-
- return true;
- }
-
- /**
- * Disconnect the socket, if connected. Only useful if using Keep-Alive.
- *
- * @access public
- */
- function disconnect()
- {
- if (!empty($this->_sock) && !empty($this->_sock->fp)) {
- $this->_notify('disconnect');
- $this->_sock->disconnect();
- }
- }
-
- /**
- * Returns the response code
- *
- * @access public
- * @return mixed Response code, false if not set
- */
- function getResponseCode()
- {
- return isset($this->_response->_code) ? $this->_response->_code : false;
- }
-
- /**
- * Returns either the named header or all if no name given
- *
- * @access public
- * @param string The header name to return, do not set to get all headers
- * @return mixed either the value of $headername (false if header is not present)
- * or an array of all headers
- */
- function getResponseHeader($headername = null)
- {
- if (!isset($headername)) {
- return isset($this->_response->_headers)? $this->_response->_headers: array();
- } else {
- $headername = strtolower($headername);
- return isset($this->_response->_headers[$headername]) ? $this->_response->_headers[$headername] : false;
- }
- }
-
- /**
- * Returns the body of the response
- *
- * @access public
- * @return mixed response body, false if not set
- */
- function getResponseBody()
- {
- return isset($this->_response->_body) ? $this->_response->_body : false;
- }
-
- /**
- * Returns cookies set in response
- *
- * @access public
- * @return mixed array of response cookies, false if none are present
- */
- function getResponseCookies()
- {
- return isset($this->_response->_cookies) ? $this->_response->_cookies : false;
- }
-
- /**
- * Builds the request string
- *
- * @access private
- * @return string The request string
- */
- function _buildRequest()
- {
- $separator = ini_get('arg_separator.output');
- ini_set('arg_separator.output', '&');
- $querystring = ($querystring = $this->_url->getQueryString()) ? '?' . $querystring : '';
- ini_set('arg_separator.output', $separator);
-
- $host = isset($this->_proxy_host) ? $this->_url->protocol . '://' . $this->_url->host : '';
- $port = (isset($this->_proxy_host) AND $this->_url->port != 80) ? ':' . $this->_url->port : '';
- $path = $this->_url->path . $querystring;
- $url = $host . $port . $path;
-
- if (!strlen($url)) {
- $url = '/';
- }
-
- $request = $this->_method . ' ' . $url . ' HTTP/' . $this->_http . "\r\n";
-
- if (in_array($this->_method, $this->_bodyDisallowed) ||
- (0 == strlen($this->_body) && (HTTP_REQUEST_METHOD_POST != $this->_method ||
- (empty($this->_postData) && empty($this->_postFiles)))))
- {
- $this->removeHeader('Content-Type');
- } else {
- if (empty($this->_requestHeaders['content-type'])) {
- // Add default content-type
- $this->addHeader('Content-Type', 'application/x-www-form-urlencoded');
- } elseif ('multipart/form-data' == $this->_requestHeaders['content-type']) {
- $boundary = 'HTTP_Request_' . md5(uniqid('request') . microtime());
- $this->addHeader('Content-Type', 'multipart/form-data; boundary=' . $boundary);
- }
- }
-
- // Request Headers
- if (!empty($this->_requestHeaders)) {
- foreach ($this->_requestHeaders as $name => $value) {
- $canonicalName = implode('-', array_map('ucfirst', explode('-', $name)));
- $request .= $canonicalName . ': ' . $value . "\r\n";
- }
- }
-
- // No post data or wrong method, so simply add a final CRLF
- if (in_array($this->_method, $this->_bodyDisallowed) ||
- (HTTP_REQUEST_METHOD_POST != $this->_method && 0 == strlen($this->_body))) {
-
- $request .= "\r\n";
-
- // Post data if it's an array
- } elseif (HTTP_REQUEST_METHOD_POST == $this->_method &&
- (!empty($this->_postData) || !empty($this->_postFiles))) {
-
- // "normal" POST request
- if (!isset($boundary)) {
- $postdata = implode('&', array_map(
- create_function('$a', 'return $a[0] . \'=\' . $a[1];'),
- $this->_flattenArray('', $this->_postData)
- ));
-
- // multipart request, probably with file uploads
- } else {
- $postdata = '';
- if (!empty($this->_postData)) {
- $flatData = $this->_flattenArray('', $this->_postData);
- foreach ($flatData as $item) {
- $postdata .= '--' . $boundary . "\r\n";
- $postdata .= 'Content-Disposition: form-data; name="' . $item[0] . '"';
- $postdata .= "\r\n\r\n" . urldecode($item[1]) . "\r\n";
- }
- }
- foreach ($this->_postFiles as $name => $value) {
- if (is_array($value['name'])) {
- $varname = $name . ($this->_useBrackets? '[]': '');
- } else {
- $varname = $name;
- $value['name'] = array($value['name']);
- }
- foreach ($value['name'] as $key => $filename) {
- $fp = fopen($filename, 'r');
- $data = fread($fp, filesize($filename));
- fclose($fp);
- $basename = basename($filename);
- $type = is_array($value['type'])? @$value['type'][$key]: $value['type'];
-
- $postdata .= '--' . $boundary . "\r\n";
- $postdata .= 'Content-Disposition: form-data; name="' . $varname . '"; filename="' . $basename . '"';
- $postdata .= "\r\nContent-Type: " . $type;
- $postdata .= "\r\n\r\n" . $data . "\r\n";
- }
- }
- $postdata .= '--' . $boundary . "--\r\n";
- }
- $request .= 'Content-Length: ' .
- (HTTP_REQUEST_MBSTRING? mb_strlen($postdata, 'iso-8859-1'): strlen($postdata)) .
- "\r\n\r\n";
- $request .= $postdata;
-
- // Explicitly set request body
- } elseif (0 < strlen($this->_body)) {
-
- $request .= 'Content-Length: ' .
- (HTTP_REQUEST_MBSTRING? mb_strlen($this->_body, 'iso-8859-1'): strlen($this->_body)) .
- "\r\n\r\n";
- $request .= $this->_body;
-
- // Terminate headers with CRLF on POST request with no body, too
- } else {
-
- $request .= "\r\n";
- }
-
- return $request;
- }
-
- /**
- * Helper function to change the (probably multidimensional) associative array
- * into the simple one.
- *
- * @param string name for item
- * @param mixed item's values
- * @return array array with the following items: array('item name', 'item value');
- * @access private
- */
- function _flattenArray($name, $values)
- {
- if (!is_array($values)) {
- return array(array($name, $values));
- } else {
- $ret = array();
- foreach ($values as $k => $v) {
- if (empty($name)) {
- $newName = $k;
- } elseif ($this->_useBrackets) {
- $newName = $name . '[' . $k . ']';
- } else {
- $newName = $name;
- }
- $ret = array_merge($ret, $this->_flattenArray($newName, $v));
- }
- return $ret;
- }
- }
-
-
- /**
- * Adds a Listener to the list of listeners that are notified of
- * the object's events
- *
- * Events sent by HTTP_Request object
- * - 'connect': on connection to server
- * - 'sentRequest': after the request was sent
- * - 'disconnect': on disconnection from server
- *
- * Events sent by HTTP_Response object
- * - 'gotHeaders': after receiving response headers (headers are passed in $data)
- * - 'tick': on receiving a part of response body (the part is passed in $data)
- * - 'gzTick': on receiving a gzip-encoded part of response body (ditto)
- * - 'gotBody': after receiving the response body (passes the decoded body in $data if it was gzipped)
- *
- * @param HTTP_Request_Listener listener to attach
- * @return boolean whether the listener was successfully attached
- * @access public
- */
- function attach(&$listener)
- {
- if (!is_a($listener, 'HTTP_Request_Listener')) {
- return false;
- }
- $this->_listeners[$listener->getId()] =& $listener;
- return true;
- }
-
-
- /**
- * Removes a Listener from the list of listeners
- *
- * @param HTTP_Request_Listener listener to detach
- * @return boolean whether the listener was successfully detached
- * @access public
- */
- function detach(&$listener)
- {
- if (!is_a($listener, 'HTTP_Request_Listener') ||
- !isset($this->_listeners[$listener->getId()])) {
- return false;
- }
- unset($this->_listeners[$listener->getId()]);
- return true;
- }
-
-
- /**
- * Notifies all registered listeners of an event.
- *
- * @param string Event name
- * @param mixed Additional data
- * @access private
- * @see HTTP_Request::attach()
- */
- function _notify($event, $data = null)
- {
- foreach (array_keys($this->_listeners) as $id) {
- $this->_listeners[$id]->update($this, $event, $data);
- }
- }
-}
-
-
-/**
- * Response class to complement the Request class
- *
- * @category HTTP
- * @package HTTP_Request
- * @author Richard Heyes <richard@phpguru.org>
- * @author Alexey Borzov <avb@php.net>
- * @version Release: 1.4.2
- */
-class HTTP_Response
-{
- /**
- * Socket object
- * @var Net_Socket
- */
- var $_sock;
-
- /**
- * Protocol
- * @var string
- */
- var $_protocol;
-
- /**
- * Return code
- * @var string
- */
- var $_code;
-
- /**
- * Response headers
- * @var array
- */
- var $_headers;
-
- /**
- * Cookies set in response
- * @var array
- */
- var $_cookies;
-
- /**
- * Response body
- * @var string
- */
- var $_body = '';
-
- /**
- * Used by _readChunked(): remaining length of the current chunk
- * @var string
- */
- var $_chunkLength = 0;
-
- /**
- * Attached listeners
- * @var array
- */
- var $_listeners = array();
-
- /**
- * Bytes left to read from message-body
- * @var null|int
- */
- var $_toRead;
-
- /**
- * Constructor
- *
- * @param Net_Socket socket to read the response from
- * @param array listeners attached to request
- */
- function HTTP_Response(&$sock, &$listeners)
- {
- $this->_sock =& $sock;
- $this->_listeners =& $listeners;
- }
-
-
- /**
- * Processes a HTTP response
- *
- * This extracts response code, headers, cookies and decodes body if it
- * was encoded in some way
- *
- * @access public
- * @param bool Whether to store response body in object property, set
- * this to false if downloading a LARGE file and using a Listener.
- * This is assumed to be true if body is gzip-encoded.
- * @param bool Whether the response can actually have a message-body.
- * Will be set to false for HEAD requests.
- * @throws PEAR_Error
- * @return mixed true on success, PEAR_Error in case of malformed response
- */
- function process($saveBody = true, $canHaveBody = true)
- {
- do {
- $line = $this->_sock->readLine();
- if (sscanf($line, 'HTTP/%s %s', $http_version, $returncode) != 2) {
- return PEAR::raiseError('Malformed response', HTTP_REQUEST_ERROR_RESPONSE);
- } else {
- $this->_protocol = 'HTTP/' . $http_version;
- $this->_code = intval($returncode);
- }
- while ('' !== ($header = $this->_sock->readLine())) {
- $this->_processHeader($header);
- }
- } while (100 == $this->_code);
-
- $this->_notify('gotHeaders', $this->_headers);
-
- // RFC 2616, section 4.4:
- // 1. Any response message which "MUST NOT" include a message-body ...
- // is always terminated by the first empty line after the header fields
- // 3. ... If a message is received with both a
- // Transfer-Encoding header field and a Content-Length header field,
- // the latter MUST be ignored.
- $canHaveBody = $canHaveBody && $this->_code >= 200 &&
- $this->_code != 204 && $this->_code != 304;
-
- // If response body is present, read it and decode
- $chunked = isset($this->_headers['transfer-encoding']) && ('chunked' == $this->_headers['transfer-encoding']);
- $gzipped = isset($this->_headers['content-encoding']) && ('gzip' == $this->_headers['content-encoding']);
- $hasBody = false;
- if ($canHaveBody && ($chunked || !isset($this->_headers['content-length']) ||
- 0 != $this->_headers['content-length']))
- {
- if ($chunked || !isset($this->_headers['content-length'])) {
- $this->_toRead = null;
- } else {
- $this->_toRead = $this->_headers['content-length'];
- }
- while (!$this->_sock->eof() && (is_null($this->_toRead) || 0 < $this->_toRead)) {
- if ($chunked) {
- $data = $this->_readChunked();
- } elseif (is_null($this->_toRead)) {
- $data = $this->_sock->read(4096);
- } else {
- $data = $this->_sock->read(min(4096, $this->_toRead));
- $this->_toRead -= HTTP_REQUEST_MBSTRING? mb_strlen($data, 'iso-8859-1'): strlen($data);
- }
- if ('' == $data) {
- break;
- } else {
- $hasBody = true;
- if ($saveBody || $gzipped) {
- $this->_body .= $data;
- }
- $this->_notify($gzipped? 'gzTick': 'tick', $data);
- }
- }
- }
-
- if ($hasBody) {
- // Uncompress the body if needed
- if ($gzipped) {
- $body = $this->_decodeGzip($this->_body);
- if (PEAR::isError($body)) {
- return $body;
- }
- $this->_body = $body;
- $this->_notify('gotBody', $this->_body);
- } else {
- $this->_notify('gotBody');
- }
- }
- return true;
- }
-
-
- /**
- * Processes the response header
- *
- * @access private
- * @param string HTTP header
- */
- function _processHeader($header)
- {
- if (false === strpos($header, ':')) {
- return;
- }
- list($headername, $headervalue) = explode(':', $header, 2);
- $headername = strtolower($headername);
- $headervalue = ltrim($headervalue);
-
- if ('set-cookie' != $headername) {
- if (isset($this->_headers[$headername])) {
- $this->_headers[$headername] .= ',' . $headervalue;
- } else {
- $this->_headers[$headername] = $headervalue;
- }
- } else {
- $this->_parseCookie($headervalue);
- }
- }
-
-
- /**
- * Parse a Set-Cookie header to fill $_cookies array
- *
- * @access private
- * @param string value of Set-Cookie header
- */
- function _parseCookie($headervalue)
- {
- $cookie = array(
- 'expires' => null,
- 'domain' => null,
- 'path' => null,
- 'secure' => false
- );
-
- // Only a name=value pair
- if (!strpos($headervalue, ';')) {
- $pos = strpos($headervalue, '=');
- $cookie['name'] = trim(substr($headervalue, 0, $pos));
- $cookie['value'] = trim(substr($headervalue, $pos + 1));
-
- // Some optional parameters are supplied
- } else {
- $elements = explode(';', $headervalue);
- $pos = strpos($elements[0], '=');
- $cookie['name'] = trim(substr($elements[0], 0, $pos));
- $cookie['value'] = trim(substr($elements[0], $pos + 1));
-
- for ($i = 1; $i < count($elements); $i++) {
- if (false === strpos($elements[$i], '=')) {
- $elName = trim($elements[$i]);
- $elValue = null;
- } else {
- list ($elName, $elValue) = array_map('trim', explode('=', $elements[$i]));
- }
- $elName = strtolower($elName);
- if ('secure' == $elName) {
- $cookie['secure'] = true;
- } elseif ('expires' == $elName) {
- $cookie['expires'] = str_replace('"', '', $elValue);
- } elseif ('path' == $elName || 'domain' == $elName) {
- $cookie[$elName] = urldecode($elValue);
- } else {
- $cookie[$elName] = $elValue;
- }
- }
- }
- $this->_cookies[] = $cookie;
- }
-
-
- /**
- * Read a part of response body encoded with chunked Transfer-Encoding
- *
- * @access private
- * @return string
- */
- function _readChunked()
- {
- // at start of the next chunk?
- if (0 == $this->_chunkLength) {
- $line = $this->_sock->readLine();
- if (preg_match('/^([0-9a-f]+)/i', $line, $matches)) {
- $this->_chunkLength = hexdec($matches[1]);
- // Chunk with zero length indicates the end
- if (0 == $this->_chunkLength) {
- $this->_sock->readLine(); // make this an eof()
- return '';
- }
- } else {
- return '';
- }
- }
- $data = $this->_sock->read($this->_chunkLength);
- $this->_chunkLength -= HTTP_REQUEST_MBSTRING? mb_strlen($data, 'iso-8859-1'): strlen($data);
- if (0 == $this->_chunkLength) {
- $this->_sock->readLine(); // Trailing CRLF
- }
- return $data;
- }
-
-
- /**
- * Notifies all registered listeners of an event.
- *
- * @param string Event name
- * @param mixed Additional data
- * @access private
- * @see HTTP_Request::_notify()
- */
- function _notify($event, $data = null)
- {
- foreach (array_keys($this->_listeners) as $id) {
- $this->_listeners[$id]->update($this, $event, $data);
- }
- }
-
-
- /**
- * Decodes the message-body encoded by gzip
- *
- * The real decoding work is done by gzinflate() built-in function, this
- * method only parses the header and checks data for compliance with
- * RFC 1952
- *
- * @access private
- * @param string gzip-encoded data
- * @return string decoded data
- */
- function _decodeGzip($data)
- {
- if (HTTP_REQUEST_MBSTRING) {
- $oldEncoding = mb_internal_encoding();
- mb_internal_encoding('iso-8859-1');
- }
- $length = strlen($data);
- // If it doesn't look like gzip-encoded data, don't bother
- if (18 > $length || strcmp(substr($data, 0, 2), "\x1f\x8b")) {
- return $data;
- }
- $method = ord(substr($data, 2, 1));
- if (8 != $method) {
- return PEAR::raiseError('_decodeGzip(): unknown compression method', HTTP_REQUEST_ERROR_GZIP_METHOD);
- }
- $flags = ord(substr($data, 3, 1));
- if ($flags & 224) {
- return PEAR::raiseError('_decodeGzip(): reserved bits are set', HTTP_REQUEST_ERROR_GZIP_DATA);
- }
-
- // header is 10 bytes minimum. may be longer, though.
- $headerLength = 10;
- // extra fields, need to skip 'em
- if ($flags & 4) {
- if ($length - $headerLength - 2 < 8) {
- return PEAR::raiseError('_decodeGzip(): data too short', HTTP_REQUEST_ERROR_GZIP_DATA);
- }
- $extraLength = unpack('v', substr($data, 10, 2));
- if ($length - $headerLength - 2 - $extraLength[1] < 8) {
- return PEAR::raiseError('_decodeGzip(): data too short', HTTP_REQUEST_ERROR_GZIP_DATA);
- }
- $headerLength += $extraLength[1] + 2;
- }
- // file name, need to skip that
- if ($flags & 8) {
- if ($length - $headerLength - 1 < 8) {
- return PEAR::raiseError('_decodeGzip(): data too short', HTTP_REQUEST_ERROR_GZIP_DATA);
- }
- $filenameLength = strpos(substr($data, $headerLength), chr(0));
- if (false === $filenameLength || $length - $headerLength - $filenameLength - 1 < 8) {
- return PEAR::raiseError('_decodeGzip(): data too short', HTTP_REQUEST_ERROR_GZIP_DATA);
- }
- $headerLength += $filenameLength + 1;
- }
- // comment, need to skip that also
- if ($flags & 16) {
- if ($length - $headerLength - 1 < 8) {
- return PEAR::raiseError('_decodeGzip(): data too short', HTTP_REQUEST_ERROR_GZIP_DATA);
- }
- $commentLength = strpos(substr($data, $headerLength), chr(0));
- if (false === $commentLength || $length - $headerLength - $commentLength - 1 < 8) {
- return PEAR::raiseError('_decodeGzip(): data too short', HTTP_REQUEST_ERROR_GZIP_DATA);
- }
- $headerLength += $commentLength + 1;
- }
- // have a CRC for header. let's check
- if ($flags & 1) {
- if ($length - $headerLength - 2 < 8) {
- return PEAR::raiseError('_decodeGzip(): data too short', HTTP_REQUEST_ERROR_GZIP_DATA);
- }
- $crcReal = 0xffff & crc32(substr($data, 0, $headerLength));
- $crcStored = unpack('v', substr($data, $headerLength, 2));
- if ($crcReal != $crcStored[1]) {
- return PEAR::raiseError('_decodeGzip(): header CRC check failed', HTTP_REQUEST_ERROR_GZIP_CRC);
- }
- $headerLength += 2;
- }
- // unpacked data CRC and size at the end of encoded data
- $tmp = unpack('V2', substr($data, -8));
- $dataCrc = $tmp[1];
- $dataSize = $tmp[2];
-
- // finally, call the gzinflate() function
- $unpacked = @gzinflate(substr($data, $headerLength, -8), $dataSize);
- if (false === $unpacked) {
- return PEAR::raiseError('_decodeGzip(): gzinflate() call failed', HTTP_REQUEST_ERROR_GZIP_READ);
- } elseif ($dataSize != strlen($unpacked)) {
- return PEAR::raiseError('_decodeGzip(): data size check failed', HTTP_REQUEST_ERROR_GZIP_READ);
- } elseif ((0xffffffff & $dataCrc) != (0xffffffff & crc32($unpacked))) {
- return PEAR::raiseError('_decodeGzip(): data CRC check failed', HTTP_REQUEST_ERROR_GZIP_CRC);
- }
- if (HTTP_REQUEST_MBSTRING) {
- mb_internal_encoding($oldEncoding);
- }
- return $unpacked;
- }
-} // End class HTTP_Response
-?>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 08:05:47 +0000