diff --git a/plugins/cas_auth_unl/HTTP/Request2.php b/plugins/cas_auth_unl/HTTP/Request2.php
new file mode 100644
index 0000000000000000000000000000000000000000..19dfe66a9e58e2b21c9cb8e1b1e2e70fc1075b16
--- /dev/null
+++ b/plugins/cas_auth_unl/HTTP/Request2.php
@@ -0,0 +1,861 @@
+<?php
+/**
+ * Class representing a HTTP request message
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * 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_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version SVN: $Id: Request2.php 290921 2009-11-18 17:31:58Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * A class representing an URL as per RFC 3986.
+ */
+require_once 'Net/URL2.php';
+
+/**
+ * Exception class for HTTP_Request2 package
+ */
+require_once 'HTTP/Request2/Exception.php';
+
+/**
+ * Class representing a HTTP request message
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 0.5.1
+ * @link http://tools.ietf.org/html/rfc2616#section-5
+ */
+class HTTP_Request2 implements SplSubject
+{
+ /**#@+
+ * Constants for HTTP request methods
+ *
+ * @link http://tools.ietf.org/html/rfc2616#section-5.1.1
+ */
+ const METHOD_OPTIONS = 'OPTIONS';
+ const METHOD_GET = 'GET';
+ const METHOD_HEAD = 'HEAD';
+ const METHOD_POST = 'POST';
+ const METHOD_PUT = 'PUT';
+ const METHOD_DELETE = 'DELETE';
+ const METHOD_TRACE = 'TRACE';
+ const METHOD_CONNECT = 'CONNECT';
+ /**#@-*/
+
+ /**#@+
+ * Constants for HTTP authentication schemes
+ *
+ * @link http://tools.ietf.org/html/rfc2617
+ */
+ const AUTH_BASIC = 'basic';
+ const AUTH_DIGEST = 'digest';
+ /**#@-*/
+
+ /**
+ * Regular expression used to check for invalid symbols in RFC 2616 tokens
+ * @link http://pear.php.net/bugs/bug.php?id=15630
+ */
+ const REGEXP_INVALID_TOKEN = '![\x00-\x1f\x7f-\xff()<>@,;:\\\\"/\[\]?={}\s]!';
+
+ /**
+ * Regular expression used to check for invalid symbols in cookie strings
+ * @link http://pear.php.net/bugs/bug.php?id=15630
+ * @link http://web.archive.org/web/20080331104521/http://cgi.netscape.com/newsref/std/cookie_spec.html
+ */
+ const REGEXP_INVALID_COOKIE = '/[\s,;]/';
+
+ /**
+ * Fileinfo magic database resource
+ * @var resource
+ * @see detectMimeType()
+ */
+ private static $_fileinfoDb;
+
+ /**
+ * Observers attached to the request (instances of SplObserver)
+ * @var array
+ */
+ protected $observers = array();
+
+ /**
+ * Request URL
+ * @var Net_URL2
+ */
+ protected $url;
+
+ /**
+ * Request method
+ * @var string
+ */
+ protected $method = self::METHOD_GET;
+
+ /**
+ * Authentication data
+ * @var array
+ * @see getAuth()
+ */
+ protected $auth;
+
+ /**
+ * Request headers
+ * @var array
+ */
+ protected $headers = array();
+
+ /**
+ * Configuration parameters
+ * @var array
+ * @see setConfig()
+ */
+ protected $config = array(
+ 'adapter' => 'HTTP_Request2_Adapter_Socket',
+ 'connect_timeout' => 10,
+ 'timeout' => 0,
+ 'use_brackets' => true,
+ 'protocol_version' => '1.1',
+ 'buffer_size' => 16384,
+ 'store_body' => true,
+
+ 'proxy_host' => '',
+ 'proxy_port' => '',
+ 'proxy_user' => '',
+ 'proxy_password' => '',
+ 'proxy_auth_scheme' => self::AUTH_BASIC,
+
+ 'ssl_verify_peer' => true,
+ 'ssl_verify_host' => true,
+ 'ssl_cafile' => null,
+ 'ssl_capath' => null,
+ 'ssl_local_cert' => null,
+ 'ssl_passphrase' => null,
+
+ 'digest_compat_ie' => false,
+
+ 'follow_redirects' => false,
+ 'max_redirects' => 5,
+ 'strict_redirects' => false
+ );
+
+ /**
+ * Last event in request / response handling, intended for observers
+ * @var array
+ * @see getLastEvent()
+ */
+ protected $lastEvent = array(
+ 'name' => 'start',
+ 'data' => null
+ );
+
+ /**
+ * Request body
+ * @var string|resource
+ * @see setBody()
+ */
+ protected $body = '';
+
+ /**
+ * Array of POST parameters
+ * @var array
+ */
+ protected $postParams = array();
+
+ /**
+ * Array of file uploads (for multipart/form-data POST requests)
+ * @var array
+ */
+ protected $uploads = array();
+
+ /**
+ * Adapter used to perform actual HTTP request
+ * @var HTTP_Request2_Adapter
+ */
+ protected $adapter;
+
+
+ /**
+ * Constructor. Can set request URL, method and configuration array.
+ *
+ * Also sets a default value for User-Agent header.
+ *
+ * @param string|Net_Url2 Request URL
+ * @param string Request method
+ * @param array Configuration for this Request instance
+ */
+ public function __construct($url = null, $method = self::METHOD_GET, array $config = array())
+ {
+ $this->setConfig($config);
+ if (!empty($url)) {
+ $this->setUrl($url);
+ }
+ if (!empty($method)) {
+ $this->setMethod($method);
+ }
+ $this->setHeader('user-agent', 'HTTP_Request2/0.5.1 ' .
+ '(http://pear.php.net/package/http_request2) ' .
+ 'PHP/' . phpversion());
+ }
+
+ /**
+ * Sets the URL for this request
+ *
+ * If the URL has userinfo part (username & password) these will be removed
+ * and converted to auth data. If the URL does not have a path component,
+ * that will be set to '/'.
+ *
+ * @param string|Net_URL2 Request URL
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception
+ */
+ public function setUrl($url)
+ {
+ if (is_string($url)) {
+ $url = new Net_URL2(
+ $url, array(Net_URL2::OPTION_USE_BRACKETS => $this->config['use_brackets'])
+ );
+ }
+ if (!$url instanceof Net_URL2) {
+ throw new HTTP_Request2_Exception('Parameter is not a valid HTTP URL');
+ }
+ // URL contains username / password?
+ if ($url->getUserinfo()) {
+ $username = $url->getUser();
+ $password = $url->getPassword();
+ $this->setAuth(rawurldecode($username), $password? rawurldecode($password): '');
+ $url->setUserinfo('');
+ }
+ if ('' == $url->getPath()) {
+ $url->setPath('/');
+ }
+ $this->url = $url;
+
+ return $this;
+ }
+
+ /**
+ * Returns the request URL
+ *
+ * @return Net_URL2
+ */
+ public function getUrl()
+ {
+ return $this->url;
+ }
+
+ /**
+ * Sets the request method
+ *
+ * @param string
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception if the method name is invalid
+ */
+ public function setMethod($method)
+ {
+ // Method name should be a token: http://tools.ietf.org/html/rfc2616#section-5.1.1
+ if (preg_match(self::REGEXP_INVALID_TOKEN, $method)) {
+ throw new HTTP_Request2_Exception("Invalid request method '{$method}'");
+ }
+ $this->method = $method;
+
+ return $this;
+ }
+
+ /**
+ * Returns the request method
+ *
+ * @return string
+ */
+ public function getMethod()
+ {
+ return $this->method;
+ }
+
+ /**
+ * Sets the configuration parameter(s)
+ *
+ * The following parameters are available:
+ * <ul>
+ * <li> 'adapter' - adapter to use (string)</li>
+ * <li> 'connect_timeout' - Connection timeout in seconds (integer)</li>
+ * <li> 'timeout' - Total number of seconds a request can take.
+ * Use 0 for no limit, should be greater than
+ * 'connect_timeout' if set (integer)</li>
+ * <li> 'use_brackets' - Whether to append [] to array variable names (bool)</li>
+ * <li> 'protocol_version' - HTTP Version to use, '1.0' or '1.1' (string)</li>
+ * <li> 'buffer_size' - Buffer size to use for reading and writing (int)</li>
+ * <li> 'store_body' - Whether to store response body in response object.
+ * Set to false if receiving a huge response and
+ * using an Observer to save it (boolean)</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_password' - Proxy auth password (string)</li>
+ * <li> 'proxy_auth_scheme' - Proxy auth scheme, one of HTTP_Request2::AUTH_* constants (string)</li>
+ * <li> 'ssl_verify_peer' - Whether to verify peer's SSL certificate (bool)</li>
+ * <li> 'ssl_verify_host' - Whether to check that Common Name in SSL
+ * certificate matches host name (bool)</li>
+ * <li> 'ssl_cafile' - Cerificate Authority file to verify the peer
+ * with (use with 'ssl_verify_peer') (string)</li>
+ * <li> 'ssl_capath' - Directory holding multiple Certificate
+ * Authority files (string)</li>
+ * <li> 'ssl_local_cert' - Name of a file containing local cerificate (string)</li>
+ * <li> 'ssl_passphrase' - Passphrase with which local certificate
+ * was encoded (string)</li>
+ * <li> 'digest_compat_ie' - Whether to imitate behaviour of MSIE 5 and 6
+ * in using URL without query string in digest
+ * authentication (boolean)</li>
+ * <li> 'follow_redirects' - Whether to automatically follow HTTP Redirects (boolean)</li>
+ * <li> 'max_redirects' - Maximum number of redirects to follow (integer)</li>
+ * <li> 'strict_redirects' - Whether to keep request method on redirects via status 301 and
+ * 302 (true, needed for compatibility with RFC 2616)
+ * or switch to GET (false, needed for compatibility with most
+ * browsers) (boolean)</li>
+ * </ul>
+ *
+ * @param string|array configuration parameter name or array
+ * ('parameter name' => 'parameter value')
+ * @param mixed parameter value if $nameOrConfig is not an array
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception If the parameter is unknown
+ */
+ public function setConfig($nameOrConfig, $value = null)
+ {
+ if (is_array($nameOrConfig)) {
+ foreach ($nameOrConfig as $name => $value) {
+ $this->setConfig($name, $value);
+ }
+
+ } else {
+ if (!array_key_exists($nameOrConfig, $this->config)) {
+ throw new HTTP_Request2_Exception(
+ "Unknown configuration parameter '{$nameOrConfig}'"
+ );
+ }
+ $this->config[$nameOrConfig] = $value;
+ }
+
+ return $this;
+ }
+
+ /**
+ * Returns the value(s) of the configuration parameter(s)
+ *
+ * @param string parameter name
+ * @return mixed value of $name parameter, array of all configuration
+ * parameters if $name is not given
+ * @throws HTTP_Request2_Exception If the parameter is unknown
+ */
+ public function getConfig($name = null)
+ {
+ if (null === $name) {
+ return $this->config;
+ } elseif (!array_key_exists($name, $this->config)) {
+ throw new HTTP_Request2_Exception(
+ "Unknown configuration parameter '{$name}'"
+ );
+ }
+ return $this->config[$name];
+ }
+
+ /**
+ * Sets the autentification data
+ *
+ * @param string user name
+ * @param string password
+ * @param string authentication scheme
+ * @return HTTP_Request2
+ */
+ public function setAuth($user, $password = '', $scheme = self::AUTH_BASIC)
+ {
+ if (empty($user)) {
+ $this->auth = null;
+ } else {
+ $this->auth = array(
+ 'user' => (string)$user,
+ 'password' => (string)$password,
+ 'scheme' => $scheme
+ );
+ }
+
+ return $this;
+ }
+
+ /**
+ * Returns the authentication data
+ *
+ * The array has the keys 'user', 'password' and 'scheme', where 'scheme'
+ * is one of the HTTP_Request2::AUTH_* constants.
+ *
+ * @return array
+ */
+ public function getAuth()
+ {
+ return $this->auth;
+ }
+
+ /**
+ * Sets request header(s)
+ *
+ * The first parameter may be either a full header string 'header: value' or
+ * header name. In the former case $value parameter is ignored, in the latter
+ * the header's value will either be set to $value or the header will be
+ * removed if $value is null. The first parameter can also be an array of
+ * headers, in that case method will be called recursively.
+ *
+ * Note that headers are treated case insensitively as per RFC 2616.
+ *
+ * <code>
+ * $req->setHeader('Foo: Bar'); // sets the value of 'Foo' header to 'Bar'
+ * $req->setHeader('FoO', 'Baz'); // sets the value of 'Foo' header to 'Baz'
+ * $req->setHeader(array('foo' => 'Quux')); // sets the value of 'Foo' header to 'Quux'
+ * $req->setHeader('FOO'); // removes 'Foo' header from request
+ * </code>
+ *
+ * @param string|array header name, header string ('Header: value')
+ * or an array of headers
+ * @param string|null header value, header will be removed if null
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception
+ */
+ public function setHeader($name, $value = null)
+ {
+ if (is_array($name)) {
+ foreach ($name as $k => $v) {
+ if (is_string($k)) {
+ $this->setHeader($k, $v);
+ } else {
+ $this->setHeader($v);
+ }
+ }
+ } else {
+ if (null === $value && strpos($name, ':')) {
+ list($name, $value) = array_map('trim', explode(':', $name, 2));
+ }
+ // Header name should be a token: http://tools.ietf.org/html/rfc2616#section-4.2
+ if (preg_match(self::REGEXP_INVALID_TOKEN, $name)) {
+ throw new HTTP_Request2_Exception("Invalid header name '{$name}'");
+ }
+ // Header names are case insensitive anyway
+ $name = strtolower($name);
+ if (null === $value) {
+ unset($this->headers[$name]);
+ } else {
+ $this->headers[$name] = $value;
+ }
+ }
+
+ return $this;
+ }
+
+ /**
+ * Returns the request headers
+ *
+ * The array is of the form ('header name' => 'header value'), header names
+ * are lowercased
+ *
+ * @return array
+ */
+ public function getHeaders()
+ {
+ return $this->headers;
+ }
+
+ /**
+ * Appends a cookie to "Cookie:" header
+ *
+ * @param string cookie name
+ * @param string cookie value
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception
+ */
+ public function addCookie($name, $value)
+ {
+ $cookie = $name . '=' . $value;
+ if (preg_match(self::REGEXP_INVALID_COOKIE, $cookie)) {
+ throw new HTTP_Request2_Exception("Invalid cookie: '{$cookie}'");
+ }
+ $cookies = empty($this->headers['cookie'])? '': $this->headers['cookie'] . '; ';
+ $this->setHeader('cookie', $cookies . $cookie);
+
+ return $this;
+ }
+
+ /**
+ * Sets the request body
+ *
+ * @param string Either a string with the body or filename containing body
+ * @param bool Whether first parameter is a filename
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception
+ */
+ public function setBody($body, $isFilename = false)
+ {
+ if (!$isFilename) {
+ if (!$body instanceof HTTP_Request2_MultipartBody) {
+ $this->body = (string)$body;
+ } else {
+ $this->body = $body;
+ }
+ } else {
+ if (!($fp = @fopen($body, 'rb'))) {
+ throw new HTTP_Request2_Exception("Cannot open file {$body}");
+ }
+ $this->body = $fp;
+ if (empty($this->headers['content-type'])) {
+ $this->setHeader('content-type', self::detectMimeType($body));
+ }
+ }
+ $this->postParams = $this->uploads = array();
+
+ return $this;
+ }
+
+ /**
+ * Returns the request body
+ *
+ * @return string|resource|HTTP_Request2_MultipartBody
+ */
+ public function getBody()
+ {
+ if (self::METHOD_POST == $this->method &&
+ (!empty($this->postParams) || !empty($this->uploads))
+ ) {
+ if ('application/x-www-form-urlencoded' == $this->headers['content-type']) {
+ $body = http_build_query($this->postParams, '', '&');
+ if (!$this->getConfig('use_brackets')) {
+ $body = preg_replace('/%5B\d+%5D=/', '=', $body);
+ }
+ // support RFC 3986 by not encoding '~' symbol (request #15368)
+ return str_replace('%7E', '~', $body);
+
+ } elseif ('multipart/form-data' == $this->headers['content-type']) {
+ require_once 'HTTP/Request2/MultipartBody.php';
+ return new HTTP_Request2_MultipartBody(
+ $this->postParams, $this->uploads, $this->getConfig('use_brackets')
+ );
+ }
+ }
+ return $this->body;
+ }
+
+ /**
+ * Adds a file to form-based file upload
+ *
+ * Used to emulate file upload via a HTML form. The method also sets
+ * Content-Type of HTTP request to 'multipart/form-data'.
+ *
+ * If you just want to send the contents of a file as the body of HTTP
+ * request you should use setBody() method.
+ *
+ * @param string name of file-upload field
+ * @param mixed full name of local file
+ * @param string filename to send in the request
+ * @param string content-type of file being uploaded
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception
+ */
+ public function addUpload($fieldName, $filename, $sendFilename = null,
+ $contentType = null)
+ {
+ if (!is_array($filename)) {
+ if (!($fp = @fopen($filename, 'rb'))) {
+ throw new HTTP_Request2_Exception("Cannot open file {$filename}");
+ }
+ $this->uploads[$fieldName] = array(
+ 'fp' => $fp,
+ 'filename' => empty($sendFilename)? basename($filename): $sendFilename,
+ 'size' => filesize($filename),
+ 'type' => empty($contentType)? self::detectMimeType($filename): $contentType
+ );
+ } else {
+ $fps = $names = $sizes = $types = array();
+ foreach ($filename as $f) {
+ if (!is_array($f)) {
+ $f = array($f);
+ }
+ if (!($fp = @fopen($f[0], 'rb'))) {
+ throw new HTTP_Request2_Exception("Cannot open file {$f[0]}");
+ }
+ $fps[] = $fp;
+ $names[] = empty($f[1])? basename($f[0]): $f[1];
+ $sizes[] = filesize($f[0]);
+ $types[] = empty($f[2])? self::detectMimeType($f[0]): $f[2];
+ }
+ $this->uploads[$fieldName] = array(
+ 'fp' => $fps, 'filename' => $names, 'size' => $sizes, 'type' => $types
+ );
+ }
+ if (empty($this->headers['content-type']) ||
+ 'application/x-www-form-urlencoded' == $this->headers['content-type']
+ ) {
+ $this->setHeader('content-type', 'multipart/form-data');
+ }
+
+ return $this;
+ }
+
+ /**
+ * Adds POST parameter(s) to the request.
+ *
+ * @param string|array parameter name or array ('name' => 'value')
+ * @param mixed parameter value (can be an array)
+ * @return HTTP_Request2
+ */
+ public function addPostParameter($name, $value = null)
+ {
+ if (!is_array($name)) {
+ $this->postParams[$name] = $value;
+ } else {
+ foreach ($name as $k => $v) {
+ $this->addPostParameter($k, $v);
+ }
+ }
+ if (empty($this->headers['content-type'])) {
+ $this->setHeader('content-type', 'application/x-www-form-urlencoded');
+ }
+
+ return $this;
+ }
+
+ /**
+ * Attaches a new observer
+ *
+ * @param SplObserver
+ */
+ public function attach(SplObserver $observer)
+ {
+ foreach ($this->observers as $attached) {
+ if ($attached === $observer) {
+ return;
+ }
+ }
+ $this->observers[] = $observer;
+ }
+
+ /**
+ * Detaches an existing observer
+ *
+ * @param SplObserver
+ */
+ public function detach(SplObserver $observer)
+ {
+ foreach ($this->observers as $key => $attached) {
+ if ($attached === $observer) {
+ unset($this->observers[$key]);
+ return;
+ }
+ }
+ }
+
+ /**
+ * Notifies all observers
+ */
+ public function notify()
+ {
+ foreach ($this->observers as $observer) {
+ $observer->update($this);
+ }
+ }
+
+ /**
+ * Sets the last event
+ *
+ * Adapters should use this method to set the current state of the request
+ * and notify the observers.
+ *
+ * @param string event name
+ * @param mixed event data
+ */
+ public function setLastEvent($name, $data = null)
+ {
+ $this->lastEvent = array(
+ 'name' => $name,
+ 'data' => $data
+ );
+ $this->notify();
+ }
+
+ /**
+ * Returns the last event
+ *
+ * Observers should use this method to access the last change in request.
+ * The following event names are possible:
+ * <ul>
+ * <li>'connect' - after connection to remote server,
+ * data is the destination (string)</li>
+ * <li>'disconnect' - after disconnection from server</li>
+ * <li>'sentHeaders' - after sending the request headers,
+ * data is the headers sent (string)</li>
+ * <li>'sentBodyPart' - after sending a part of the request body,
+ * data is the length of that part (int)</li>
+ * <li>'receivedHeaders' - after receiving the response headers,
+ * data is HTTP_Request2_Response object</li>
+ * <li>'receivedBodyPart' - after receiving a part of the response
+ * body, data is that part (string)</li>
+ * <li>'receivedEncodedBodyPart' - as 'receivedBodyPart', but data is still
+ * encoded by Content-Encoding</li>
+ * <li>'receivedBody' - after receiving the complete response
+ * body, data is HTTP_Request2_Response object</li>
+ * </ul>
+ * Different adapters may not send all the event types. Mock adapter does
+ * not send any events to the observers.
+ *
+ * @return array The array has two keys: 'name' and 'data'
+ */
+ public function getLastEvent()
+ {
+ return $this->lastEvent;
+ }
+
+ /**
+ * Sets the adapter used to actually perform the request
+ *
+ * You can pass either an instance of a class implementing HTTP_Request2_Adapter
+ * or a class name. The method will only try to include a file if the class
+ * name starts with HTTP_Request2_Adapter_, it will also try to prepend this
+ * prefix to the class name if it doesn't contain any underscores, so that
+ * <code>
+ * $request->setAdapter('curl');
+ * </code>
+ * will work.
+ *
+ * @param string|HTTP_Request2_Adapter
+ * @return HTTP_Request2
+ * @throws HTTP_Request2_Exception
+ */
+ public function setAdapter($adapter)
+ {
+ if (is_string($adapter)) {
+ if (!class_exists($adapter, false)) {
+ if (false === strpos($adapter, '_')) {
+ $adapter = 'HTTP_Request2_Adapter_' . ucfirst($adapter);
+ }
+ if (preg_match('/^HTTP_Request2_Adapter_([a-zA-Z0-9]+)$/', $adapter)) {
+ include_once str_replace('_', DIRECTORY_SEPARATOR, $adapter) . '.php';
+ }
+ if (!class_exists($adapter, false)) {
+ throw new HTTP_Request2_Exception("Class {$adapter} not found");
+ }
+ }
+ $adapter = new $adapter;
+ }
+ if (!$adapter instanceof HTTP_Request2_Adapter) {
+ throw new HTTP_Request2_Exception('Parameter is not a HTTP request adapter');
+ }
+ $this->adapter = $adapter;
+
+ return $this;
+ }
+
+ /**
+ * Sends the request and returns the response
+ *
+ * @throws HTTP_Request2_Exception
+ * @return HTTP_Request2_Response
+ */
+ public function send()
+ {
+ // Sanity check for URL
+ if (!$this->url instanceof Net_URL2) {
+ throw new HTTP_Request2_Exception('No URL given');
+ } elseif (!$this->url->isAbsolute()) {
+ throw new HTTP_Request2_Exception('Absolute URL required');
+ } elseif (!in_array(strtolower($this->url->getScheme()), array('https', 'http'))) {
+ throw new HTTP_Request2_Exception('Not a HTTP URL');
+ }
+ if (empty($this->adapter)) {
+ $this->setAdapter($this->getConfig('adapter'));
+ }
+ // magic_quotes_runtime may break file uploads and chunked response
+ // processing; see bug #4543
+ if ($magicQuotes = ini_get('magic_quotes_runtime')) {
+ ini_set('magic_quotes_runtime', false);
+ }
+ // force using single byte encoding if mbstring extension overloads
+ // strlen() and substr(); see bug #1781, bug #10605
+ if (extension_loaded('mbstring') && (2 & ini_get('mbstring.func_overload'))) {
+ $oldEncoding = mb_internal_encoding();
+ mb_internal_encoding('iso-8859-1');
+ }
+
+ try {
+ $response = $this->adapter->sendRequest($this);
+ } catch (Exception $e) {
+ }
+ // cleanup in either case (poor man's "finally" clause)
+ if ($magicQuotes) {
+ ini_set('magic_quotes_runtime', true);
+ }
+ if (!empty($oldEncoding)) {
+ mb_internal_encoding($oldEncoding);
+ }
+ // rethrow the exception
+ if (!empty($e)) {
+ throw $e;
+ }
+ return $response;
+ }
+
+ /**
+ * Tries to detect MIME type of a file
+ *
+ * The method will try to use fileinfo extension if it is available,
+ * deprecated mime_content_type() function in the other case. If neither
+ * works, default 'application/octet-stream' MIME type is returned
+ *
+ * @param string filename
+ * @return string file MIME type
+ */
+ protected static function detectMimeType($filename)
+ {
+ // finfo extension from PECL available
+ if (function_exists('finfo_open')) {
+ if (!isset(self::$_fileinfoDb)) {
+ self::$_fileinfoDb = @finfo_open(FILEINFO_MIME);
+ }
+ if (self::$_fileinfoDb) {
+ $info = finfo_file(self::$_fileinfoDb, $filename);
+ }
+ }
+ // (deprecated) mime_content_type function available
+ if (empty($info) && function_exists('mime_content_type')) {
+ return mime_content_type($filename);
+ }
+ return empty($info)? 'application/octet-stream': $info;
+ }
+}
+?>
\ No newline at end of file
diff --git a/plugins/cas_auth_unl/HTTP/Request2/Adapter.php b/plugins/cas_auth_unl/HTTP/Request2/Adapter.php
new file mode 100644
index 0000000000000000000000000000000000000000..16ff131bd155a0bb596caa0d0756adddfcbed7d0
--- /dev/null
+++ b/plugins/cas_auth_unl/HTTP/Request2/Adapter.php
@@ -0,0 +1,154 @@
+<?php
+/**
+ * Base class for HTTP_Request2 adapters
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * 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_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version SVN: $Id: Adapter.php 291118 2009-11-21 17:58:23Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Class representing a HTTP response
+ */
+require_once 'HTTP/Request2/Response.php';
+
+/**
+ * Base class for HTTP_Request2 adapters
+ *
+ * HTTP_Request2 class itself only defines methods for aggregating the request
+ * data, all actual work of sending the request to the remote server and
+ * receiving its response is performed by adapters.
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 0.5.1
+ */
+abstract class HTTP_Request2_Adapter
+{
+ /**
+ * A list of methods that MUST NOT have a request body, per RFC 2616
+ * @var array
+ */
+ protected static $bodyDisallowed = array('TRACE');
+
+ /**
+ * Methods having defined semantics for request body
+ *
+ * Content-Length header (indicating that the body follows, section 4.3 of
+ * RFC 2616) will be sent for these methods even if no body was added
+ *
+ * @var array
+ * @link http://pear.php.net/bugs/bug.php?id=12900
+ * @link http://pear.php.net/bugs/bug.php?id=14740
+ */
+ protected static $bodyRequired = array('POST', 'PUT');
+
+ /**
+ * Request being sent
+ * @var HTTP_Request2
+ */
+ protected $request;
+
+ /**
+ * Request body
+ * @var string|resource|HTTP_Request2_MultipartBody
+ * @see HTTP_Request2::getBody()
+ */
+ protected $requestBody;
+
+ /**
+ * Length of the request body
+ * @var integer
+ */
+ protected $contentLength;
+
+ /**
+ * Sends request to the remote server and returns its response
+ *
+ * @param HTTP_Request2
+ * @return HTTP_Request2_Response
+ * @throws HTTP_Request2_Exception
+ */
+ abstract public function sendRequest(HTTP_Request2 $request);
+
+ /**
+ * Calculates length of the request body, adds proper headers
+ *
+ * @param array associative array of request headers, this method will
+ * add proper 'Content-Length' and 'Content-Type' headers
+ * to this array (or remove them if not needed)
+ */
+ protected function calculateRequestLength(&$headers)
+ {
+ $this->requestBody = $this->request->getBody();
+
+ if (is_string($this->requestBody)) {
+ $this->contentLength = strlen($this->requestBody);
+ } elseif (is_resource($this->requestBody)) {
+ $stat = fstat($this->requestBody);
+ $this->contentLength = $stat['size'];
+ rewind($this->requestBody);
+ } else {
+ $this->contentLength = $this->requestBody->getLength();
+ $headers['content-type'] = 'multipart/form-data; boundary=' .
+ $this->requestBody->getBoundary();
+ $this->requestBody->rewind();
+ }
+
+ if (in_array($this->request->getMethod(), self::$bodyDisallowed) ||
+ 0 == $this->contentLength
+ ) {
+ // No body: send a Content-Length header nonetheless (request #12900),
+ // but do that only for methods that require a body (bug #14740)
+ if (in_array($this->request->getMethod(), self::$bodyRequired)) {
+ $headers['content-length'] = 0;
+ } else {
+ unset($headers['content-length']);
+ // if the method doesn't require a body and doesn't have a
+ // body, don't send a Content-Type header. (request #16799)
+ unset($headers['content-type']);
+ }
+ } else {
+ if (empty($headers['content-type'])) {
+ $headers['content-type'] = 'application/x-www-form-urlencoded';
+ }
+ $headers['content-length'] = $this->contentLength;
+ }
+ }
+}
+?>
diff --git a/plugins/cas_auth_unl/HTTP/Request2/Adapter/Curl.php b/plugins/cas_auth_unl/HTTP/Request2/Adapter/Curl.php
new file mode 100644
index 0000000000000000000000000000000000000000..77ab6fae02b026e6944c71ec663dcbb7c5cf5988
--- /dev/null
+++ b/plugins/cas_auth_unl/HTTP/Request2/Adapter/Curl.php
@@ -0,0 +1,461 @@
+<?php
+/**
+ * Adapter for HTTP_Request2 wrapping around cURL extension
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * 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_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version SVN: $Id: Curl.php 291118 2009-11-21 17:58:23Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Base class for HTTP_Request2 adapters
+ */
+require_once 'HTTP/Request2/Adapter.php';
+
+/**
+ * Adapter for HTTP_Request2 wrapping around cURL extension
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 0.5.1
+ */
+class HTTP_Request2_Adapter_Curl extends HTTP_Request2_Adapter
+{
+ /**
+ * Mapping of header names to cURL options
+ * @var array
+ */
+ protected static $headerMap = array(
+ 'accept-encoding' => CURLOPT_ENCODING,
+ 'cookie' => CURLOPT_COOKIE,
+ 'referer' => CURLOPT_REFERER,
+ 'user-agent' => CURLOPT_USERAGENT
+ );
+
+ /**
+ * Mapping of SSL context options to cURL options
+ * @var array
+ */
+ protected static $sslContextMap = array(
+ 'ssl_verify_peer' => CURLOPT_SSL_VERIFYPEER,
+ 'ssl_cafile' => CURLOPT_CAINFO,
+ 'ssl_capath' => CURLOPT_CAPATH,
+ 'ssl_local_cert' => CURLOPT_SSLCERT,
+ 'ssl_passphrase' => CURLOPT_SSLCERTPASSWD
+ );
+
+ /**
+ * Response being received
+ * @var HTTP_Request2_Response
+ */
+ protected $response;
+
+ /**
+ * Whether 'sentHeaders' event was sent to observers
+ * @var boolean
+ */
+ protected $eventSentHeaders = false;
+
+ /**
+ * Whether 'receivedHeaders' event was sent to observers
+ * @var boolean
+ */
+ protected $eventReceivedHeaders = false;
+
+ /**
+ * Position within request body
+ * @var integer
+ * @see callbackReadBody()
+ */
+ protected $position = 0;
+
+ /**
+ * Information about last transfer, as returned by curl_getinfo()
+ * @var array
+ */
+ protected $lastInfo;
+
+ /**
+ * Sends request to the remote server and returns its response
+ *
+ * @param HTTP_Request2
+ * @return HTTP_Request2_Response
+ * @throws HTTP_Request2_Exception
+ */
+ public function sendRequest(HTTP_Request2 $request)
+ {
+ if (!extension_loaded('curl')) {
+ throw new HTTP_Request2_Exception('cURL extension not available');
+ }
+
+ $this->request = $request;
+ $this->response = null;
+ $this->position = 0;
+ $this->eventSentHeaders = false;
+ $this->eventReceivedHeaders = false;
+
+ try {
+ if (false === curl_exec($ch = $this->createCurlHandle())) {
+ $errorMessage = 'Error sending request: #' . curl_errno($ch) .
+ ' ' . curl_error($ch);
+ }
+ } catch (Exception $e) {
+ }
+ $this->lastInfo = curl_getinfo($ch);
+ curl_close($ch);
+
+ $response = $this->response;
+ unset($this->request, $this->requestBody, $this->response);
+
+ if (!empty($e)) {
+ throw $e;
+ } elseif (!empty($errorMessage)) {
+ throw new HTTP_Request2_Exception($errorMessage);
+ }
+
+ if (0 < $this->lastInfo['size_download']) {
+ $request->setLastEvent('receivedBody', $response);
+ }
+ return $response;
+ }
+
+ /**
+ * Returns information about last transfer
+ *
+ * @return array associative array as returned by curl_getinfo()
+ */
+ public function getInfo()
+ {
+ return $this->lastInfo;
+ }
+
+ /**
+ * Creates a new cURL handle and populates it with data from the request
+ *
+ * @return resource a cURL handle, as created by curl_init()
+ * @throws HTTP_Request2_Exception
+ */
+ protected function createCurlHandle()
+ {
+ $ch = curl_init();
+
+ curl_setopt_array($ch, array(
+ // setup write callbacks
+ CURLOPT_HEADERFUNCTION => array($this, 'callbackWriteHeader'),
+ CURLOPT_WRITEFUNCTION => array($this, 'callbackWriteBody'),
+ // buffer size
+ CURLOPT_BUFFERSIZE => $this->request->getConfig('buffer_size'),
+ // connection timeout
+ CURLOPT_CONNECTTIMEOUT => $this->request->getConfig('connect_timeout'),
+ // save full outgoing headers, in case someone is interested
+ CURLINFO_HEADER_OUT => true,
+ // request url
+ CURLOPT_URL => $this->request->getUrl()->getUrl()
+ ));
+
+ // set up redirects
+ if (!$this->request->getConfig('follow_redirects')) {
+ curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
+ } else {
+ curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
+ curl_setopt($ch, CURLOPT_MAXREDIRS, $this->request->getConfig('max_redirects'));
+ // limit redirects to http(s), works in 5.2.10+
+ if (defined('CURLOPT_REDIR_PROTOCOLS')) {
+ curl_setopt($ch, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
+ }
+ // works sometime after 5.3.0, http://bugs.php.net/bug.php?id=49571
+ if ($this->request->getConfig('strict_redirects') && defined('CURLOPT_POSTREDIR ')) {
+ curl_setopt($ch, CURLOPT_POSTREDIR, 3);
+ }
+ }
+
+ // request timeout
+ if ($timeout = $this->request->getConfig('timeout')) {
+ curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
+ }
+
+ // set HTTP version
+ switch ($this->request->getConfig('protocol_version')) {
+ case '1.0':
+ curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
+ break;
+ case '1.1':
+ curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
+ }
+
+ // set request method
+ switch ($this->request->getMethod()) {
+ case HTTP_Request2::METHOD_GET:
+ curl_setopt($ch, CURLOPT_HTTPGET, true);
+ break;
+ case HTTP_Request2::METHOD_POST:
+ curl_setopt($ch, CURLOPT_POST, true);
+ break;
+ case HTTP_Request2::METHOD_HEAD:
+ curl_setopt($ch, CURLOPT_NOBODY, true);
+ break;
+ default:
+ curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $this->request->getMethod());
+ }
+
+ // set proxy, if needed
+ if ($host = $this->request->getConfig('proxy_host')) {
+ if (!($port = $this->request->getConfig('proxy_port'))) {
+ throw new HTTP_Request2_Exception('Proxy port not provided');
+ }
+ curl_setopt($ch, CURLOPT_PROXY, $host . ':' . $port);
+ if ($user = $this->request->getConfig('proxy_user')) {
+ curl_setopt($ch, CURLOPT_PROXYUSERPWD, $user . ':' .
+ $this->request->getConfig('proxy_password'));
+ switch ($this->request->getConfig('proxy_auth_scheme')) {
+ case HTTP_Request2::AUTH_BASIC:
+ curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_BASIC);
+ break;
+ case HTTP_Request2::AUTH_DIGEST:
+ curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_DIGEST);
+ }
+ }
+ }
+
+ // set authentication data
+ if ($auth = $this->request->getAuth()) {
+ curl_setopt($ch, CURLOPT_USERPWD, $auth['user'] . ':' . $auth['password']);
+ switch ($auth['scheme']) {
+ case HTTP_Request2::AUTH_BASIC:
+ curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
+ break;
+ case HTTP_Request2::AUTH_DIGEST:
+ curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
+ }
+ }
+
+ // set SSL options
+ if (0 == strcasecmp($this->request->getUrl()->getScheme(), 'https')) {
+ foreach ($this->request->getConfig() as $name => $value) {
+ if ('ssl_verify_host' == $name && null !== $value) {
+ curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, $value? 2: 0);
+ } elseif (isset(self::$sslContextMap[$name]) && null !== $value) {
+ curl_setopt($ch, self::$sslContextMap[$name], $value);
+ }
+ }
+ }
+
+ $headers = $this->request->getHeaders();
+ // make cURL automagically send proper header
+ if (!isset($headers['accept-encoding'])) {
+ $headers['accept-encoding'] = '';
+ }
+
+ // set headers having special cURL keys
+ foreach (self::$headerMap as $name => $option) {
+ if (isset($headers[$name])) {
+ curl_setopt($ch, $option, $headers[$name]);
+ unset($headers[$name]);
+ }
+ }
+
+ $this->calculateRequestLength($headers);
+ if (isset($headers['content-length'])) {
+ $this->workaroundPhpBug47204($ch, $headers);
+ }
+
+ // set headers not having special keys
+ $headersFmt = array();
+ foreach ($headers as $name => $value) {
+ $canonicalName = implode('-', array_map('ucfirst', explode('-', $name)));
+ $headersFmt[] = $canonicalName . ': ' . $value;
+ }
+ curl_setopt($ch, CURLOPT_HTTPHEADER, $headersFmt);
+
+ return $ch;
+ }
+
+ /**
+ * Workaround for PHP bug #47204 that prevents rewinding request body
+ *
+ * The workaround consists of reading the entire request body into memory
+ * and setting it as CURLOPT_POSTFIELDS, so it isn't recommended for large
+ * file uploads, use Socket adapter instead.
+ *
+ * @param resource cURL handle
+ * @param array Request headers
+ */
+ protected function workaroundPhpBug47204($ch, &$headers)
+ {
+ // no redirects, no digest auth -> probably no rewind needed
+ if (!$this->request->getConfig('follow_redirects')
+ && (!($auth = $this->request->getAuth())
+ || HTTP_Request2::AUTH_DIGEST != $auth['scheme'])
+ ) {
+ curl_setopt($ch, CURLOPT_READFUNCTION, array($this, 'callbackReadBody'));
+
+ // rewind may be needed, read the whole body into memory
+ } else {
+ if ($this->requestBody instanceof HTTP_Request2_MultipartBody) {
+ $this->requestBody = $this->requestBody->__toString();
+
+ } elseif (is_resource($this->requestBody)) {
+ $fp = $this->requestBody;
+ $this->requestBody = '';
+ while (!feof($fp)) {
+ $this->requestBody .= fread($fp, 16384);
+ }
+ }
+ // curl hangs up if content-length is present
+ unset($headers['content-length']);
+ curl_setopt($ch, CURLOPT_POSTFIELDS, $this->requestBody);
+ }
+ }
+
+ /**
+ * Callback function called by cURL for reading the request body
+ *
+ * @param resource cURL handle
+ * @param resource file descriptor (not used)
+ * @param integer maximum length of data to return
+ * @return string part of the request body, up to $length bytes
+ */
+ protected function callbackReadBody($ch, $fd, $length)
+ {
+ if (!$this->eventSentHeaders) {
+ $this->request->setLastEvent(
+ 'sentHeaders', curl_getinfo($ch, CURLINFO_HEADER_OUT)
+ );
+ $this->eventSentHeaders = true;
+ }
+ if (in_array($this->request->getMethod(), self::$bodyDisallowed) ||
+ 0 == $this->contentLength || $this->position >= $this->contentLength
+ ) {
+ return '';
+ }
+ if (is_string($this->requestBody)) {
+ $string = substr($this->requestBody, $this->position, $length);
+ } elseif (is_resource($this->requestBody)) {
+ $string = fread($this->requestBody, $length);
+ } else {
+ $string = $this->requestBody->read($length);
+ }
+ $this->request->setLastEvent('sentBodyPart', strlen($string));
+ $this->position += strlen($string);
+ return $string;
+ }
+
+ /**
+ * Callback function called by cURL for saving the response headers
+ *
+ * @param resource cURL handle
+ * @param string response header (with trailing CRLF)
+ * @return integer number of bytes saved
+ * @see HTTP_Request2_Response::parseHeaderLine()
+ */
+ protected function callbackWriteHeader($ch, $string)
+ {
+ // we may receive a second set of headers if doing e.g. digest auth
+ if ($this->eventReceivedHeaders || !$this->eventSentHeaders) {
+ // don't bother with 100-Continue responses (bug #15785)
+ if (!$this->eventSentHeaders ||
+ $this->response->getStatus() >= 200
+ ) {
+ $this->request->setLastEvent(
+ 'sentHeaders', curl_getinfo($ch, CURLINFO_HEADER_OUT)
+ );
+ }
+ $upload = curl_getinfo($ch, CURLINFO_SIZE_UPLOAD);
+ // if body wasn't read by a callback, send event with total body size
+ if ($upload > $this->position) {
+ $this->request->setLastEvent(
+ 'sentBodyPart', $upload - $this->position
+ );
+ $this->position = $upload;
+ }
+ $this->eventSentHeaders = true;
+ // we'll need a new response object
+ if ($this->eventReceivedHeaders) {
+ $this->eventReceivedHeaders = false;
+ $this->response = null;
+ }
+ }
+ if (empty($this->response)) {
+ $this->response = new HTTP_Request2_Response($string, false);
+ } else {
+ $this->response->parseHeaderLine($string);
+ if ('' == trim($string)) {
+ // don't bother with 100-Continue responses (bug #15785)
+ if (200 <= $this->response->getStatus()) {
+ $this->request->setLastEvent('receivedHeaders', $this->response);
+ }
+ // for versions lower than 5.2.10, check the redirection URL protocol
+ if ($this->request->getConfig('follow_redirects') && !defined('CURLOPT_REDIR_PROTOCOLS')
+ && $this->response->isRedirect()
+ ) {
+ $redirectUrl = new Net_URL2($this->response->getHeader('location'));
+ if ($redirectUrl->isAbsolute()
+ && !in_array($redirectUrl->getScheme(), array('http', 'https'))
+ ) {
+ return -1;
+ }
+ }
+ $this->eventReceivedHeaders = true;
+ }
+ }
+ return strlen($string);
+ }
+
+ /**
+ * Callback function called by cURL for saving the response body
+ *
+ * @param resource cURL handle (not used)
+ * @param string part of the response body
+ * @return integer number of bytes saved
+ * @see HTTP_Request2_Response::appendBody()
+ */
+ protected function callbackWriteBody($ch, $string)
+ {
+ // cURL calls WRITEFUNCTION callback without calling HEADERFUNCTION if
+ // response doesn't start with proper HTTP status line (see bug #15716)
+ if (empty($this->response)) {
+ throw new HTTP_Request2_Exception("Malformed response: {$string}");
+ }
+ if ($this->request->getConfig('store_body')) {
+ $this->response->appendBody($string);
+ }
+ $this->request->setLastEvent('receivedBodyPart', $string);
+ return strlen($string);
+ }
+}
+?>
diff --git a/plugins/cas_auth_unl/HTTP/Request2/Adapter/Mock.php b/plugins/cas_auth_unl/HTTP/Request2/Adapter/Mock.php
new file mode 100644
index 0000000000000000000000000000000000000000..2812ce93ea84b972a7a7230cf25cd3d97aef97a2
--- /dev/null
+++ b/plugins/cas_auth_unl/HTTP/Request2/Adapter/Mock.php
@@ -0,0 +1,171 @@
+<?php
+/**
+ * Mock adapter intended for testing
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * 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_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version SVN: $Id: Mock.php 290192 2009-11-03 21:29:32Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Base class for HTTP_Request2 adapters
+ */
+require_once 'HTTP/Request2/Adapter.php';
+
+/**
+ * Mock adapter intended for testing
+ *
+ * Can be used to test applications depending on HTTP_Request2 package without
+ * actually performing any HTTP requests. This adapter will return responses
+ * previously added via addResponse()
+ * <code>
+ * $mock = new HTTP_Request2_Adapter_Mock();
+ * $mock->addResponse("HTTP/1.1 ... ");
+ *
+ * $request = new HTTP_Request2();
+ * $request->setAdapter($mock);
+ *
+ * // This will return the response set above
+ * $response = $req->send();
+ * </code>
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 0.5.1
+ */
+class HTTP_Request2_Adapter_Mock extends HTTP_Request2_Adapter
+{
+ /**
+ * A queue of responses to be returned by sendRequest()
+ * @var array
+ */
+ protected $responses = array();
+
+ /**
+ * Returns the next response from the queue built by addResponse()
+ *
+ * If the queue is empty it will return default empty response with status 400,
+ * if an Exception object was added to the queue it will be thrown.
+ *
+ * @param HTTP_Request2
+ * @return HTTP_Request2_Response
+ * @throws Exception
+ */
+ public function sendRequest(HTTP_Request2 $request)
+ {
+ if (count($this->responses) > 0) {
+ $response = array_shift($this->responses);
+ if ($response instanceof HTTP_Request2_Response) {
+ return $response;
+ } else {
+ // rethrow the exception
+ $class = get_class($response);
+ $message = $response->getMessage();
+ $code = $response->getCode();
+ throw new $class($message, $code);
+ }
+ } else {
+ return self::createResponseFromString("HTTP/1.1 400 Bad Request\r\n\r\n");
+ }
+ }
+
+ /**
+ * Adds response to the queue
+ *
+ * @param mixed either a string, a pointer to an open file,
+ * an instance of HTTP_Request2_Response or Exception
+ * @throws HTTP_Request2_Exception
+ */
+ public function addResponse($response)
+ {
+ if (is_string($response)) {
+ $response = self::createResponseFromString($response);
+ } elseif (is_resource($response)) {
+ $response = self::createResponseFromFile($response);
+ } elseif (!$response instanceof HTTP_Request2_Response &&
+ !$response instanceof Exception
+ ) {
+ throw new HTTP_Request2_Exception('Parameter is not a valid response');
+ }
+ $this->responses[] = $response;
+ }
+
+ /**
+ * Creates a new HTTP_Request2_Response object from a string
+ *
+ * @param string
+ * @return HTTP_Request2_Response
+ * @throws HTTP_Request2_Exception
+ */
+ public static function createResponseFromString($str)
+ {
+ $parts = preg_split('!(\r?\n){2}!m', $str, 2);
+ $headerLines = explode("\n", $parts[0]);
+ $response = new HTTP_Request2_Response(array_shift($headerLines));
+ foreach ($headerLines as $headerLine) {
+ $response->parseHeaderLine($headerLine);
+ }
+ $response->parseHeaderLine('');
+ if (isset($parts[1])) {
+ $response->appendBody($parts[1]);
+ }
+ return $response;
+ }
+
+ /**
+ * Creates a new HTTP_Request2_Response object from a file
+ *
+ * @param resource file pointer returned by fopen()
+ * @return HTTP_Request2_Response
+ * @throws HTTP_Request2_Exception
+ */
+ public static function createResponseFromFile($fp)
+ {
+ $response = new HTTP_Request2_Response(fgets($fp));
+ do {
+ $headerLine = fgets($fp);
+ $response->parseHeaderLine($headerLine);
+ } while ('' != trim($headerLine));
+
+ while (!feof($fp)) {
+ $response->appendBody(fread($fp, 8192));
+ }
+ return $response;
+ }
+}
+?>
\ No newline at end of file
diff --git a/plugins/cas_auth_unl/HTTP/Request2/Adapter/Socket.php b/plugins/cas_auth_unl/HTTP/Request2/Adapter/Socket.php
new file mode 100644
index 0000000000000000000000000000000000000000..6d1788c7d4f7a46465221b67a3c35094a29de30f
--- /dev/null
+++ b/plugins/cas_auth_unl/HTTP/Request2/Adapter/Socket.php
@@ -0,0 +1,1046 @@
+<?php
+/**
+ * Socket-based adapter for HTTP_Request2
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * 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_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version SVN: $Id: Socket.php 290921 2009-11-18 17:31:58Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Base class for HTTP_Request2 adapters
+ */
+require_once 'HTTP/Request2/Adapter.php';
+
+/**
+ * Socket-based adapter for HTTP_Request2
+ *
+ * This adapter uses only PHP sockets and will work on almost any PHP
+ * environment. Code is based on original HTTP_Request PEAR package.
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 0.5.1
+ */
+class HTTP_Request2_Adapter_Socket extends HTTP_Request2_Adapter
+{
+ /**
+ * Regular expression for 'token' rule from RFC 2616
+ */
+ const REGEXP_TOKEN = '[^\x00-\x1f\x7f-\xff()<>@,;:\\\\"/\[\]?={}\s]+';
+
+ /**
+ * Regular expression for 'quoted-string' rule from RFC 2616
+ */
+ const REGEXP_QUOTED_STRING = '"(?:\\\\.|[^\\\\"])*"';
+
+ /**
+ * Connected sockets, needed for Keep-Alive support
+ * @var array
+ * @see connect()
+ */
+ protected static $sockets = array();
+
+ /**
+ * Data for digest authentication scheme
+ *
+ * The keys for the array are URL prefixes.
+ *
+ * The values are associative arrays with data (realm, nonce, nonce-count,
+ * opaque...) needed for digest authentication. Stored here to prevent making
+ * duplicate requests to digest-protected resources after we have already
+ * received the challenge.
+ *
+ * @var array
+ */
+ protected static $challenges = array();
+
+ /**
+ * Connected socket
+ * @var resource
+ * @see connect()
+ */
+ protected $socket;
+
+ /**
+ * Challenge used for server digest authentication
+ * @var array
+ */
+ protected $serverChallenge;
+
+ /**
+ * Challenge used for proxy digest authentication
+ * @var array
+ */
+ protected $proxyChallenge;
+
+ /**
+ * Sum of start time and global timeout, exception will be thrown if request continues past this time
+ * @var integer
+ */
+ protected $deadline = null;
+
+ /**
+ * Remaining length of the current chunk, when reading chunked response
+ * @var integer
+ * @see readChunked()
+ */
+ protected $chunkLength = 0;
+
+ /**
+ * Remaining amount of redirections to follow
+ *
+ * Starts at 'max_redirects' configuration parameter and is reduced on each
+ * subsequent redirect. An Exception will be thrown once it reaches zero.
+ *
+ * @var integer
+ */
+ protected $redirectCountdown = null;
+
+ /**
+ * Sends request to the remote server and returns its response
+ *
+ * @param HTTP_Request2
+ * @return HTTP_Request2_Response
+ * @throws HTTP_Request2_Exception
+ */
+ public function sendRequest(HTTP_Request2 $request)
+ {
+ $this->request = $request;
+
+ // Use global request timeout if given, see feature requests #5735, #8964
+ if ($timeout = $request->getConfig('timeout')) {
+ $this->deadline = time() + $timeout;
+ } else {
+ $this->deadline = null;
+ }
+
+ try {
+ $keepAlive = $this->connect();
+ $headers = $this->prepareHeaders();
+ if (false === @fwrite($this->socket, $headers, strlen($headers))) {
+ throw new HTTP_Request2_Exception('Error writing request');
+ }
+ // provide request headers to the observer, see request #7633
+ $this->request->setLastEvent('sentHeaders', $headers);
+ $this->writeBody();
+
+ if ($this->deadline && time() > $this->deadline) {
+ throw new HTTP_Request2_Exception(
+ 'Request timed out after ' .
+ $request->getConfig('timeout') . ' second(s)'
+ );
+ }
+
+ $response = $this->readResponse();
+
+ if (!$this->canKeepAlive($keepAlive, $response)) {
+ $this->disconnect();
+ }
+
+ if ($this->shouldUseProxyDigestAuth($response)) {
+ return $this->sendRequest($request);
+ }
+ if ($this->shouldUseServerDigestAuth($response)) {
+ return $this->sendRequest($request);
+ }
+ if ($authInfo = $response->getHeader('authentication-info')) {
+ $this->updateChallenge($this->serverChallenge, $authInfo);
+ }
+ if ($proxyInfo = $response->getHeader('proxy-authentication-info')) {
+ $this->updateChallenge($this->proxyChallenge, $proxyInfo);
+ }
+
+ } catch (Exception $e) {
+ $this->disconnect();
+ }
+
+ unset($this->request, $this->requestBody);
+
+ if (!empty($e)) {
+ throw $e;
+ }
+
+ if (!$request->getConfig('follow_redirects') || !$response->isRedirect()) {
+ return $response;
+ } else {
+ return $this->handleRedirect($request, $response);
+ }
+ }
+
+ /**
+ * Connects to the remote server
+ *
+ * @return bool whether the connection can be persistent
+ * @throws HTTP_Request2_Exception
+ */
+ protected function connect()
+ {
+ $secure = 0 == strcasecmp($this->request->getUrl()->getScheme(), 'https');
+ $tunnel = HTTP_Request2::METHOD_CONNECT == $this->request->getMethod();
+ $headers = $this->request->getHeaders();
+ $reqHost = $this->request->getUrl()->getHost();
+ if (!($reqPort = $this->request->getUrl()->getPort())) {
+ $reqPort = $secure? 443: 80;
+ }
+
+ if ($host = $this->request->getConfig('proxy_host')) {
+ if (!($port = $this->request->getConfig('proxy_port'))) {
+ throw new HTTP_Request2_Exception('Proxy port not provided');
+ }
+ $proxy = true;
+ } else {
+ $host = $reqHost;
+ $port = $reqPort;
+ $proxy = false;
+ }
+
+ if ($tunnel && !$proxy) {
+ throw new HTTP_Request2_Exception(
+ "Trying to perform CONNECT request without proxy"
+ );
+ }
+ if ($secure && !in_array('ssl', stream_get_transports())) {
+ throw new HTTP_Request2_Exception(
+ 'Need OpenSSL support for https:// requests'
+ );
+ }
+
+ // RFC 2068, section 19.7.1: A client MUST NOT send the Keep-Alive
+ // connection token to a proxy server...
+ if ($proxy && !$secure &&
+ !empty($headers['connection']) && 'Keep-Alive' == $headers['connection']
+ ) {
+ $this->request->setHeader('connection');
+ }
+
+ $keepAlive = ('1.1' == $this->request->getConfig('protocol_version') &&
+ empty($headers['connection'])) ||
+ (!empty($headers['connection']) &&
+ 'Keep-Alive' == $headers['connection']);
+ $host = ((!$secure || $proxy)? 'tcp://': 'ssl://') . $host;
+
+ $options = array();
+ if ($secure || $tunnel) {
+ foreach ($this->request->getConfig() as $name => $value) {
+ if ('ssl_' == substr($name, 0, 4) && null !== $value) {
+ if ('ssl_verify_host' == $name) {
+ if ($value) {
+ $options['CN_match'] = $reqHost;
+ }
+ } else {
+ $options[substr($name, 4)] = $value;
+ }
+ }
+ }
+ ksort($options);
+ }
+
+ // Changing SSL context options after connection is established does *not*
+ // work, we need a new connection if options change
+ $remote = $host . ':' . $port;
+ $socketKey = $remote . (($secure && $proxy)? "->{$reqHost}:{$reqPort}": '') .
+ (empty($options)? '': ':' . serialize($options));
+ unset($this->socket);
+
+ // We use persistent connections and have a connected socket?
+ // Ensure that the socket is still connected, see bug #16149
+ if ($keepAlive && !empty(self::$sockets[$socketKey]) &&
+ !feof(self::$sockets[$socketKey])
+ ) {
+ $this->socket =& self::$sockets[$socketKey];
+
+ } elseif ($secure && $proxy && !$tunnel) {
+ $this->establishTunnel();
+ $this->request->setLastEvent(
+ 'connect', "ssl://{$reqHost}:{$reqPort} via {$host}:{$port}"
+ );
+ self::$sockets[$socketKey] =& $this->socket;
+
+ } else {
+ // Set SSL context options if doing HTTPS request or creating a tunnel
+ $context = stream_context_create();
+ foreach ($options as $name => $value) {
+ if (!stream_context_set_option($context, 'ssl', $name, $value)) {
+ throw new HTTP_Request2_Exception(
+ "Error setting SSL context option '{$name}'"
+ );
+ }
+ }
+ $this->socket = @stream_socket_client(
+ $remote, $errno, $errstr,
+ $this->request->getConfig('connect_timeout'),
+ STREAM_CLIENT_CONNECT, $context
+ );
+ if (!$this->socket) {
+ throw new HTTP_Request2_Exception(
+ "Unable to connect to {$remote}. Error #{$errno}: {$errstr}"
+ );
+ }
+ $this->request->setLastEvent('connect', $remote);
+ self::$sockets[$socketKey] =& $this->socket;
+ }
+ return $keepAlive;
+ }
+
+ /**
+ * Establishes a tunnel to a secure remote server via HTTP CONNECT request
+ *
+ * This method will fail if 'ssl_verify_peer' is enabled. Probably because PHP
+ * sees that we are connected to a proxy server (duh!) rather than the server
+ * that presents its certificate.
+ *
+ * @link http://tools.ietf.org/html/rfc2817#section-5.2
+ * @throws HTTP_Request2_Exception
+ */
+ protected function establishTunnel()
+ {
+ $donor = new self;
+ $connect = new HTTP_Request2(
+ $this->request->getUrl(), HTTP_Request2::METHOD_CONNECT,
+ array_merge($this->request->getConfig(),
+ array('adapter' => $donor))
+ );
+ $response = $connect->send();
+ // Need any successful (2XX) response
+ if (200 > $response->getStatus() || 300 <= $response->getStatus()) {
+ throw new HTTP_Request2_Exception(
+ 'Failed to connect via HTTPS proxy. Proxy response: ' .
+ $response->getStatus() . ' ' . $response->getReasonPhrase()
+ );
+ }
+ $this->socket = $donor->socket;
+
+ $modes = array(
+ STREAM_CRYPTO_METHOD_TLS_CLIENT,
+ STREAM_CRYPTO_METHOD_SSLv3_CLIENT,
+ STREAM_CRYPTO_METHOD_SSLv23_CLIENT,
+ STREAM_CRYPTO_METHOD_SSLv2_CLIENT
+ );
+
+ foreach ($modes as $mode) {
+ if (stream_socket_enable_crypto($this->socket, true, $mode)) {
+ return;
+ }
+ }
+ throw new HTTP_Request2_Exception(
+ 'Failed to enable secure connection when connecting through proxy'
+ );
+ }
+
+ /**
+ * Checks whether current connection may be reused or should be closed
+ *
+ * @param boolean whether connection could be persistent
+ * in the first place
+ * @param HTTP_Request2_Response response object to check
+ * @return boolean
+ */
+ protected function canKeepAlive($requestKeepAlive, HTTP_Request2_Response $response)
+ {
+ // Do not close socket on successful CONNECT request
+ if (HTTP_Request2::METHOD_CONNECT == $this->request->getMethod() &&
+ 200 <= $response->getStatus() && 300 > $response->getStatus()
+ ) {
+ return true;
+ }
+
+ $lengthKnown = 'chunked' == strtolower($response->getHeader('transfer-encoding')) ||
+ null !== $response->getHeader('content-length');
+ $persistent = 'keep-alive' == strtolower($response->getHeader('connection')) ||
+ (null === $response->getHeader('connection') &&
+ '1.1' == $response->getVersion());
+ return $requestKeepAlive && $lengthKnown && $persistent;
+ }
+
+ /**
+ * Disconnects from the remote server
+ */
+ protected function disconnect()
+ {
+ if (is_resource($this->socket)) {
+ fclose($this->socket);
+ $this->socket = null;
+ $this->request->setLastEvent('disconnect');
+ }
+ }
+
+ /**
+ * Handles HTTP redirection
+ *
+ * This method will throw an Exception if redirect to a non-HTTP(S) location
+ * is attempted, also if number of redirects performed already is equal to
+ * 'max_redirects' configuration parameter.
+ *
+ * @param HTTP_Request2 Original request
+ * @param HTTP_Request2_Response Response containing redirect
+ * @return HTTP_Request2_Response Response from a new location
+ * @throws HTTP_Request2_Exception
+ */
+ protected function handleRedirect(HTTP_Request2 $request,
+ HTTP_Request2_Response $response)
+ {
+ if (is_null($this->redirectCountdown)) {
+ $this->redirectCountdown = $request->getConfig('max_redirects');
+ }
+ if (0 == $this->redirectCountdown) {
+ // Copying cURL behaviour
+ throw new HTTP_Request2_Exception(
+ 'Maximum (' . $request->getConfig('max_redirects') . ') redirects followed'
+ );
+ }
+ $redirectUrl = new Net_URL2(
+ $response->getHeader('location'),
+ array(Net_URL2::OPTION_USE_BRACKETS => $request->getConfig('use_brackets'))
+ );
+ // refuse non-HTTP redirect
+ if ($redirectUrl->isAbsolute()
+ && !in_array($redirectUrl->getScheme(), array('http', 'https'))
+ ) {
+ throw new HTTP_Request2_Exception(
+ 'Refusing to redirect to a non-HTTP URL ' . $redirectUrl->__toString()
+ );
+ }
+ // Theoretically URL should be absolute (see http://tools.ietf.org/html/rfc2616#section-14.30),
+ // but in practice it is often not
+ if (!$redirectUrl->isAbsolute()) {
+ $redirectUrl = $request->getUrl()->resolve($redirectUrl);
+ }
+ $redirect = clone $request;
+ $redirect->setUrl($redirectUrl);
+ if (303 == $response->getStatus() || (!$request->getConfig('strict_redirects')
+ && in_array($response->getStatus(), array(301, 302)))
+ ) {
+ $redirect->setMethod(HTTP_Request2::METHOD_GET);
+ $redirect->setBody('');
+ }
+
+ if (0 < $this->redirectCountdown) {
+ $this->redirectCountdown--;
+ }
+ return $this->sendRequest($redirect);
+ }
+
+ /**
+ * Checks whether another request should be performed with server digest auth
+ *
+ * Several conditions should be satisfied for it to return true:
+ * - response status should be 401
+ * - auth credentials should be set in the request object
+ * - response should contain WWW-Authenticate header with digest challenge
+ * - there is either no challenge stored for this URL or new challenge
+ * contains stale=true parameter (in other case we probably just failed
+ * due to invalid username / password)
+ *
+ * The method stores challenge values in $challenges static property
+ *
+ * @param HTTP_Request2_Response response to check
+ * @return boolean whether another request should be performed
+ * @throws HTTP_Request2_Exception in case of unsupported challenge parameters
+ */
+ protected function shouldUseServerDigestAuth(HTTP_Request2_Response $response)
+ {
+ // no sense repeating a request if we don't have credentials
+ if (401 != $response->getStatus() || !$this->request->getAuth()) {
+ return false;
+ }
+ if (!$challenge = $this->parseDigestChallenge($response->getHeader('www-authenticate'))) {
+ return false;
+ }
+
+ $url = $this->request->getUrl();
+ $scheme = $url->getScheme();
+ $host = $scheme . '://' . $url->getHost();
+ if ($port = $url->getPort()) {
+ if ((0 == strcasecmp($scheme, 'http') && 80 != $port) ||
+ (0 == strcasecmp($scheme, 'https') && 443 != $port)
+ ) {
+ $host .= ':' . $port;
+ }
+ }
+
+ if (!empty($challenge['domain'])) {
+ $prefixes = array();
+ foreach (preg_split('/\\s+/', $challenge['domain']) as $prefix) {
+ // don't bother with different servers
+ if ('/' == substr($prefix, 0, 1)) {
+ $prefixes[] = $host . $prefix;
+ }
+ }
+ }
+ if (empty($prefixes)) {
+ $prefixes = array($host . '/');
+ }
+
+ $ret = true;
+ foreach ($prefixes as $prefix) {
+ if (!empty(self::$challenges[$prefix]) &&
+ (empty($challenge['stale']) || strcasecmp('true', $challenge['stale']))
+ ) {
+ // probably credentials are invalid
+ $ret = false;
+ }
+ self::$challenges[$prefix] =& $challenge;
+ }
+ return $ret;
+ }
+
+ /**
+ * Checks whether another request should be performed with proxy digest auth
+ *
+ * Several conditions should be satisfied for it to return true:
+ * - response status should be 407
+ * - proxy auth credentials should be set in the request object
+ * - response should contain Proxy-Authenticate header with digest challenge
+ * - there is either no challenge stored for this proxy or new challenge
+ * contains stale=true parameter (in other case we probably just failed
+ * due to invalid username / password)
+ *
+ * The method stores challenge values in $challenges static property
+ *
+ * @param HTTP_Request2_Response response to check
+ * @return boolean whether another request should be performed
+ * @throws HTTP_Request2_Exception in case of unsupported challenge parameters
+ */
+ protected function shouldUseProxyDigestAuth(HTTP_Request2_Response $response)
+ {
+ if (407 != $response->getStatus() || !$this->request->getConfig('proxy_user')) {
+ return false;
+ }
+ if (!($challenge = $this->parseDigestChallenge($response->getHeader('proxy-authenticate')))) {
+ return false;
+ }
+
+ $key = 'proxy://' . $this->request->getConfig('proxy_host') .
+ ':' . $this->request->getConfig('proxy_port');
+
+ if (!empty(self::$challenges[$key]) &&
+ (empty($challenge['stale']) || strcasecmp('true', $challenge['stale']))
+ ) {
+ $ret = false;
+ } else {
+ $ret = true;
+ }
+ self::$challenges[$key] = $challenge;
+ return $ret;
+ }
+
+ /**
+ * Extracts digest method challenge from (WWW|Proxy)-Authenticate header value
+ *
+ * There is a problem with implementation of RFC 2617: several of the parameters
+ * are defined as quoted-string there and thus may contain backslash escaped
+ * double quotes (RFC 2616, section 2.2). However, RFC 2617 defines unq(X) as
+ * just value of quoted-string X without surrounding quotes, it doesn't speak
+ * about removing backslash escaping.
+ *
+ * Now realm parameter is user-defined and human-readable, strange things
+ * happen when it contains quotes:
+ * - Apache allows quotes in realm, but apparently uses realm value without
+ * backslashes for digest computation
+ * - Squid allows (manually escaped) quotes there, but it is impossible to
+ * authorize with either escaped or unescaped quotes used in digest,
+ * probably it can't parse the response (?)
+ * - Both IE and Firefox display realm value with backslashes in
+ * the password popup and apparently use the same value for digest
+ *
+ * HTTP_Request2 follows IE and Firefox (and hopefully RFC 2617) in
+ * quoted-string handling, unfortunately that means failure to authorize
+ * sometimes
+ *
+ * @param string value of WWW-Authenticate or Proxy-Authenticate header
+ * @return mixed associative array with challenge parameters, false if
+ * no challenge is present in header value
+ * @throws HTTP_Request2_Exception in case of unsupported challenge parameters
+ */
+ protected function parseDigestChallenge($headerValue)
+ {
+ $authParam = '(' . self::REGEXP_TOKEN . ')\\s*=\\s*(' .
+ self::REGEXP_TOKEN . '|' . self::REGEXP_QUOTED_STRING . ')';
+ $challenge = "!(?<=^|\\s|,)Digest ({$authParam}\\s*(,\\s*|$))+!";
+ if (!preg_match($challenge, $headerValue, $matches)) {
+ return false;
+ }
+
+ preg_match_all('!' . $authParam . '!', $matches[0], $params);
+ $paramsAry = array();
+ $knownParams = array('realm', 'domain', 'nonce', 'opaque', 'stale',
+ 'algorithm', 'qop');
+ for ($i = 0; $i < count($params[0]); $i++) {
+ // section 3.2.1: Any unrecognized directive MUST be ignored.
+ if (in_array($params[1][$i], $knownParams)) {
+ if ('"' == substr($params[2][$i], 0, 1)) {
+ $paramsAry[$params[1][$i]] = substr($params[2][$i], 1, -1);
+ } else {
+ $paramsAry[$params[1][$i]] = $params[2][$i];
+ }
+ }
+ }
+ // we only support qop=auth
+ if (!empty($paramsAry['qop']) &&
+ !in_array('auth', array_map('trim', explode(',', $paramsAry['qop'])))
+ ) {
+ throw new HTTP_Request2_Exception(
+ "Only 'auth' qop is currently supported in digest authentication, " .
+ "server requested '{$paramsAry['qop']}'"
+ );
+ }
+ // we only support algorithm=MD5
+ if (!empty($paramsAry['algorithm']) && 'MD5' != $paramsAry['algorithm']) {
+ throw new HTTP_Request2_Exception(
+ "Only 'MD5' algorithm is currently supported in digest authentication, " .
+ "server requested '{$paramsAry['algorithm']}'"
+ );
+ }
+
+ return $paramsAry;
+ }
+
+ /**
+ * Parses [Proxy-]Authentication-Info header value and updates challenge
+ *
+ * @param array challenge to update
+ * @param string value of [Proxy-]Authentication-Info header
+ * @todo validate server rspauth response
+ */
+ protected function updateChallenge(&$challenge, $headerValue)
+ {
+ $authParam = '!(' . self::REGEXP_TOKEN . ')\\s*=\\s*(' .
+ self::REGEXP_TOKEN . '|' . self::REGEXP_QUOTED_STRING . ')!';
+ $paramsAry = array();
+
+ preg_match_all($authParam, $headerValue, $params);
+ for ($i = 0; $i < count($params[0]); $i++) {
+ if ('"' == substr($params[2][$i], 0, 1)) {
+ $paramsAry[$params[1][$i]] = substr($params[2][$i], 1, -1);
+ } else {
+ $paramsAry[$params[1][$i]] = $params[2][$i];
+ }
+ }
+ // for now, just update the nonce value
+ if (!empty($paramsAry['nextnonce'])) {
+ $challenge['nonce'] = $paramsAry['nextnonce'];
+ $challenge['nc'] = 1;
+ }
+ }
+
+ /**
+ * Creates a value for [Proxy-]Authorization header when using digest authentication
+ *
+ * @param string user name
+ * @param string password
+ * @param string request URL
+ * @param array digest challenge parameters
+ * @return string value of [Proxy-]Authorization request header
+ * @link http://tools.ietf.org/html/rfc2617#section-3.2.2
+ */
+ protected function createDigestResponse($user, $password, $url, &$challenge)
+ {
+ if (false !== ($q = strpos($url, '?')) &&
+ $this->request->getConfig('digest_compat_ie')
+ ) {
+ $url = substr($url, 0, $q);
+ }
+
+ $a1 = md5($user . ':' . $challenge['realm'] . ':' . $password);
+ $a2 = md5($this->request->getMethod() . ':' . $url);
+
+ if (empty($challenge['qop'])) {
+ $digest = md5($a1 . ':' . $challenge['nonce'] . ':' . $a2);
+ } else {
+ $challenge['cnonce'] = 'Req2.' . rand();
+ if (empty($challenge['nc'])) {
+ $challenge['nc'] = 1;
+ }
+ $nc = sprintf('%08x', $challenge['nc']++);
+ $digest = md5($a1 . ':' . $challenge['nonce'] . ':' . $nc . ':' .
+ $challenge['cnonce'] . ':auth:' . $a2);
+ }
+ return 'Digest username="' . str_replace(array('\\', '"'), array('\\\\', '\\"'), $user) . '", ' .
+ 'realm="' . $challenge['realm'] . '", ' .
+ 'nonce="' . $challenge['nonce'] . '", ' .
+ 'uri="' . $url . '", ' .
+ 'response="' . $digest . '"' .
+ (!empty($challenge['opaque'])?
+ ', opaque="' . $challenge['opaque'] . '"':
+ '') .
+ (!empty($challenge['qop'])?
+ ', qop="auth", nc=' . $nc . ', cnonce="' . $challenge['cnonce'] . '"':
+ '');
+ }
+
+ /**
+ * Adds 'Authorization' header (if needed) to request headers array
+ *
+ * @param array request headers
+ * @param string request host (needed for digest authentication)
+ * @param string request URL (needed for digest authentication)
+ * @throws HTTP_Request2_Exception
+ */
+ protected function addAuthorizationHeader(&$headers, $requestHost, $requestUrl)
+ {
+ if (!($auth = $this->request->getAuth())) {
+ return;
+ }
+ switch ($auth['scheme']) {
+ case HTTP_Request2::AUTH_BASIC:
+ $headers['authorization'] =
+ 'Basic ' . base64_encode($auth['user'] . ':' . $auth['password']);
+ break;
+
+ case HTTP_Request2::AUTH_DIGEST:
+ unset($this->serverChallenge);
+ $fullUrl = ('/' == $requestUrl[0])?
+ $this->request->getUrl()->getScheme() . '://' .
+ $requestHost . $requestUrl:
+ $requestUrl;
+ foreach (array_keys(self::$challenges) as $key) {
+ if ($key == substr($fullUrl, 0, strlen($key))) {
+ $headers['authorization'] = $this->createDigestResponse(
+ $auth['user'], $auth['password'],
+ $requestUrl, self::$challenges[$key]
+ );
+ $this->serverChallenge =& self::$challenges[$key];
+ break;
+ }
+ }
+ break;
+
+ default:
+ throw new HTTP_Request2_Exception(
+ "Unknown HTTP authentication scheme '{$auth['scheme']}'"
+ );
+ }
+ }
+
+ /**
+ * Adds 'Proxy-Authorization' header (if needed) to request headers array
+ *
+ * @param array request headers
+ * @param string request URL (needed for digest authentication)
+ * @throws HTTP_Request2_Exception
+ */
+ protected function addProxyAuthorizationHeader(&$headers, $requestUrl)
+ {
+ if (!$this->request->getConfig('proxy_host') ||
+ !($user = $this->request->getConfig('proxy_user')) ||
+ (0 == strcasecmp('https', $this->request->getUrl()->getScheme()) &&
+ HTTP_Request2::METHOD_CONNECT != $this->request->getMethod())
+ ) {
+ return;
+ }
+
+ $password = $this->request->getConfig('proxy_password');
+ switch ($this->request->getConfig('proxy_auth_scheme')) {
+ case HTTP_Request2::AUTH_BASIC:
+ $headers['proxy-authorization'] =
+ 'Basic ' . base64_encode($user . ':' . $password);
+ break;
+
+ case HTTP_Request2::AUTH_DIGEST:
+ unset($this->proxyChallenge);
+ $proxyUrl = 'proxy://' . $this->request->getConfig('proxy_host') .
+ ':' . $this->request->getConfig('proxy_port');
+ if (!empty(self::$challenges[$proxyUrl])) {
+ $headers['proxy-authorization'] = $this->createDigestResponse(
+ $user, $password,
+ $requestUrl, self::$challenges[$proxyUrl]
+ );
+ $this->proxyChallenge =& self::$challenges[$proxyUrl];
+ }
+ break;
+
+ default:
+ throw new HTTP_Request2_Exception(
+ "Unknown HTTP authentication scheme '" .
+ $this->request->getConfig('proxy_auth_scheme') . "'"
+ );
+ }
+ }
+
+
+ /**
+ * Creates the string with the Request-Line and request headers
+ *
+ * @return string
+ * @throws HTTP_Request2_Exception
+ */
+ protected function prepareHeaders()
+ {
+ $headers = $this->request->getHeaders();
+ $url = $this->request->getUrl();
+ $connect = HTTP_Request2::METHOD_CONNECT == $this->request->getMethod();
+ $host = $url->getHost();
+
+ $defaultPort = 0 == strcasecmp($url->getScheme(), 'https')? 443: 80;
+ if (($port = $url->getPort()) && $port != $defaultPort || $connect) {
+ $host .= ':' . (empty($port)? $defaultPort: $port);
+ }
+ // Do not overwrite explicitly set 'Host' header, see bug #16146
+ if (!isset($headers['host'])) {
+ $headers['host'] = $host;
+ }
+
+ if ($connect) {
+ $requestUrl = $host;
+
+ } else {
+ if (!$this->request->getConfig('proxy_host') ||
+ 0 == strcasecmp($url->getScheme(), 'https')
+ ) {
+ $requestUrl = '';
+ } else {
+ $requestUrl = $url->getScheme() . '://' . $host;
+ }
+ $path = $url->getPath();
+ $query = $url->getQuery();
+ $requestUrl .= (empty($path)? '/': $path) . (empty($query)? '': '?' . $query);
+ }
+
+ if ('1.1' == $this->request->getConfig('protocol_version') &&
+ extension_loaded('zlib') && !isset($headers['accept-encoding'])
+ ) {
+ $headers['accept-encoding'] = 'gzip, deflate';
+ }
+
+ $this->addAuthorizationHeader($headers, $host, $requestUrl);
+ $this->addProxyAuthorizationHeader($headers, $requestUrl);
+ $this->calculateRequestLength($headers);
+
+ $headersStr = $this->request->getMethod() . ' ' . $requestUrl . ' HTTP/' .
+ $this->request->getConfig('protocol_version') . "\r\n";
+ foreach ($headers as $name => $value) {
+ $canonicalName = implode('-', array_map('ucfirst', explode('-', $name)));
+ $headersStr .= $canonicalName . ': ' . $value . "\r\n";
+ }
+ return $headersStr . "\r\n";
+ }
+
+ /**
+ * Sends the request body
+ *
+ * @throws HTTP_Request2_Exception
+ */
+ protected function writeBody()
+ {
+ if (in_array($this->request->getMethod(), self::$bodyDisallowed) ||
+ 0 == $this->contentLength
+ ) {
+ return;
+ }
+
+ $position = 0;
+ $bufferSize = $this->request->getConfig('buffer_size');
+ while ($position < $this->contentLength) {
+ if (is_string($this->requestBody)) {
+ $str = substr($this->requestBody, $position, $bufferSize);
+ } elseif (is_resource($this->requestBody)) {
+ $str = fread($this->requestBody, $bufferSize);
+ } else {
+ $str = $this->requestBody->read($bufferSize);
+ }
+ if (false === @fwrite($this->socket, $str, strlen($str))) {
+ throw new HTTP_Request2_Exception('Error writing request');
+ }
+ // Provide the length of written string to the observer, request #7630
+ $this->request->setLastEvent('sentBodyPart', strlen($str));
+ $position += strlen($str);
+ }
+ }
+
+ /**
+ * Reads the remote server's response
+ *
+ * @return HTTP_Request2_Response
+ * @throws HTTP_Request2_Exception
+ */
+ protected function readResponse()
+ {
+ $bufferSize = $this->request->getConfig('buffer_size');
+
+ do {
+ $response = new HTTP_Request2_Response($this->readLine($bufferSize), true);
+ do {
+ $headerLine = $this->readLine($bufferSize);
+ $response->parseHeaderLine($headerLine);
+ } while ('' != $headerLine);
+ } while (in_array($response->getStatus(), array(100, 101)));
+
+ $this->request->setLastEvent('receivedHeaders', $response);
+
+ // No body possible in such responses
+ if (HTTP_Request2::METHOD_HEAD == $this->request->getMethod() ||
+ (HTTP_Request2::METHOD_CONNECT == $this->request->getMethod() &&
+ 200 <= $response->getStatus() && 300 > $response->getStatus()) ||
+ in_array($response->getStatus(), array(204, 304))
+ ) {
+ return $response;
+ }
+
+ $chunked = 'chunked' == $response->getHeader('transfer-encoding');
+ $length = $response->getHeader('content-length');
+ $hasBody = false;
+ if ($chunked || null === $length || 0 < intval($length)) {
+ // RFC 2616, section 4.4:
+ // 3. ... If a message is received with both a
+ // Transfer-Encoding header field and a Content-Length header field,
+ // the latter MUST be ignored.
+ $toRead = ($chunked || null === $length)? null: $length;
+ $this->chunkLength = 0;
+
+ while (!feof($this->socket) && (is_null($toRead) || 0 < $toRead)) {
+ if ($chunked) {
+ $data = $this->readChunked($bufferSize);
+ } elseif (is_null($toRead)) {
+ $data = $this->fread($bufferSize);
+ } else {
+ $data = $this->fread(min($toRead, $bufferSize));
+ $toRead -= strlen($data);
+ }
+ if ('' == $data && (!$this->chunkLength || feof($this->socket))) {
+ break;
+ }
+
+ $hasBody = true;
+ if ($this->request->getConfig('store_body')) {
+ $response->appendBody($data);
+ }
+ if (!in_array($response->getHeader('content-encoding'), array('identity', null))) {
+ $this->request->setLastEvent('receivedEncodedBodyPart', $data);
+ } else {
+ $this->request->setLastEvent('receivedBodyPart', $data);
+ }
+ }
+ }
+
+ if ($hasBody) {
+ $this->request->setLastEvent('receivedBody', $response);
+ }
+ return $response;
+ }
+
+ /**
+ * Reads until either the end of the socket or a newline, whichever comes first
+ *
+ * Strips the trailing newline from the returned data, handles global
+ * request timeout. Method idea borrowed from Net_Socket PEAR package.
+ *
+ * @param int buffer size to use for reading
+ * @return Available data up to the newline (not including newline)
+ * @throws HTTP_Request2_Exception In case of timeout
+ */
+ protected function readLine($bufferSize)
+ {
+ $line = '';
+ while (!feof($this->socket)) {
+ if ($this->deadline) {
+ stream_set_timeout($this->socket, max($this->deadline - time(), 1));
+ }
+ $line .= @fgets($this->socket, $bufferSize);
+ $info = stream_get_meta_data($this->socket);
+ if ($info['timed_out'] || $this->deadline && time() > $this->deadline) {
+ $reason = $this->deadline
+ ? 'after ' . $this->request->getConfig('timeout') . ' second(s)'
+ : 'due to default_socket_timeout php.ini setting';
+ throw new HTTP_Request2_Exception("Request timed out {$reason}");
+ }
+ if (substr($line, -1) == "\n") {
+ return rtrim($line, "\r\n");
+ }
+ }
+ return $line;
+ }
+
+ /**
+ * Wrapper around fread(), handles global request timeout
+ *
+ * @param int Reads up to this number of bytes
+ * @return Data read from socket
+ * @throws HTTP_Request2_Exception In case of timeout
+ */
+ protected function fread($length)
+ {
+ if ($this->deadline) {
+ stream_set_timeout($this->socket, max($this->deadline - time(), 1));
+ }
+ $data = fread($this->socket, $length);
+ $info = stream_get_meta_data($this->socket);
+ if ($info['timed_out'] || $this->deadline && time() > $this->deadline) {
+ $reason = $this->deadline
+ ? 'after ' . $this->request->getConfig('timeout') . ' second(s)'
+ : 'due to default_socket_timeout php.ini setting';
+ throw new HTTP_Request2_Exception("Request timed out {$reason}");
+ }
+ return $data;
+ }
+
+ /**
+ * Reads a part of response body encoded with chunked Transfer-Encoding
+ *
+ * @param int buffer size to use for reading
+ * @return string
+ * @throws HTTP_Request2_Exception
+ */
+ protected function readChunked($bufferSize)
+ {
+ // at start of the next chunk?
+ if (0 == $this->chunkLength) {
+ $line = $this->readLine($bufferSize);
+ if (!preg_match('/^([0-9a-f]+)/i', $line, $matches)) {
+ throw new HTTP_Request2_Exception(
+ "Cannot decode chunked response, invalid chunk length '{$line}'"
+ );
+ } else {
+ $this->chunkLength = hexdec($matches[1]);
+ // Chunk with zero length indicates the end
+ if (0 == $this->chunkLength) {
+ $this->readLine($bufferSize);
+ return '';
+ }
+ }
+ }
+ $data = $this->fread(min($this->chunkLength, $bufferSize));
+ $this->chunkLength -= strlen($data);
+ if (0 == $this->chunkLength) {
+ $this->readLine($bufferSize); // Trailing CRLF
+ }
+ return $data;
+ }
+}
+
+?>
\ No newline at end of file
diff --git a/plugins/cas_auth_unl/HTTP/Request2/Exception.php b/plugins/cas_auth_unl/HTTP/Request2/Exception.php
new file mode 100644
index 0000000000000000000000000000000000000000..d86a14401f97693fc82f2ce3750288af6a43382b
--- /dev/null
+++ b/plugins/cas_auth_unl/HTTP/Request2/Exception.php
@@ -0,0 +1,62 @@
+<?php
+/**
+ * Exception class for HTTP_Request2 package
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * 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_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version SVN: $Id: Exception.php 290192 2009-11-03 21:29:32Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Base class for exceptions in PEAR
+ */
+require_once 'PEAR/Exception.php';
+
+/**
+ * Exception class for HTTP_Request2 package
+ *
+ * Such a class is required by the Exception RFC:
+ * http://pear.php.net/pepr/pepr-proposal-show.php?id=132
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @version Release: 0.5.1
+ */
+class HTTP_Request2_Exception extends PEAR_Exception
+{
+}
+?>
\ No newline at end of file
diff --git a/plugins/cas_auth_unl/HTTP/Request2/MultipartBody.php b/plugins/cas_auth_unl/HTTP/Request2/MultipartBody.php
new file mode 100644
index 0000000000000000000000000000000000000000..efc2e254ab889025729e5089bce0555b92d3bb39
--- /dev/null
+++ b/plugins/cas_auth_unl/HTTP/Request2/MultipartBody.php
@@ -0,0 +1,274 @@
+<?php
+/**
+ * Helper class for building multipart/form-data request body
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * 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_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version SVN: $Id: MultipartBody.php 290192 2009-11-03 21:29:32Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Class for building multipart/form-data request body
+ *
+ * The class helps to reduce memory consumption by streaming large file uploads
+ * from disk, it also allows monitoring of upload progress (see request #7630)
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 0.5.1
+ * @link http://tools.ietf.org/html/rfc1867
+ */
+class HTTP_Request2_MultipartBody
+{
+ /**
+ * MIME boundary
+ * @var string
+ */
+ private $_boundary;
+
+ /**
+ * Form parameters added via {@link HTTP_Request2::addPostParameter()}
+ * @var array
+ */
+ private $_params = array();
+
+ /**
+ * File uploads added via {@link HTTP_Request2::addUpload()}
+ * @var array
+ */
+ private $_uploads = array();
+
+ /**
+ * Header for parts with parameters
+ * @var string
+ */
+ private $_headerParam = "--%s\r\nContent-Disposition: form-data; name=\"%s\"\r\n\r\n";
+
+ /**
+ * Header for parts with uploads
+ * @var string
+ */
+ private $_headerUpload = "--%s\r\nContent-Disposition: form-data; name=\"%s\"; filename=\"%s\"\r\nContent-Type: %s\r\n\r\n";
+
+ /**
+ * Current position in parameter and upload arrays
+ *
+ * First number is index of "current" part, second number is position within
+ * "current" part
+ *
+ * @var array
+ */
+ private $_pos = array(0, 0);
+
+
+ /**
+ * Constructor. Sets the arrays with POST data.
+ *
+ * @param array values of form fields set via {@link HTTP_Request2::addPostParameter()}
+ * @param array file uploads set via {@link HTTP_Request2::addUpload()}
+ * @param bool whether to append brackets to array variable names
+ */
+ public function __construct(array $params, array $uploads, $useBrackets = true)
+ {
+ $this->_params = self::_flattenArray('', $params, $useBrackets);
+ foreach ($uploads as $fieldName => $f) {
+ if (!is_array($f['fp'])) {
+ $this->_uploads[] = $f + array('name' => $fieldName);
+ } else {
+ for ($i = 0; $i < count($f['fp']); $i++) {
+ $upload = array(
+ 'name' => ($useBrackets? $fieldName . '[' . $i . ']': $fieldName)
+ );
+ foreach (array('fp', 'filename', 'size', 'type') as $key) {
+ $upload[$key] = $f[$key][$i];
+ }
+ $this->_uploads[] = $upload;
+ }
+ }
+ }
+ }
+
+ /**
+ * Returns the length of the body to use in Content-Length header
+ *
+ * @return integer
+ */
+ public function getLength()
+ {
+ $boundaryLength = strlen($this->getBoundary());
+ $headerParamLength = strlen($this->_headerParam) - 4 + $boundaryLength;
+ $headerUploadLength = strlen($this->_headerUpload) - 8 + $boundaryLength;
+ $length = $boundaryLength + 6;
+ foreach ($this->_params as $p) {
+ $length += $headerParamLength + strlen($p[0]) + strlen($p[1]) + 2;
+ }
+ foreach ($this->_uploads as $u) {
+ $length += $headerUploadLength + strlen($u['name']) + strlen($u['type']) +
+ strlen($u['filename']) + $u['size'] + 2;
+ }
+ return $length;
+ }
+
+ /**
+ * Returns the boundary to use in Content-Type header
+ *
+ * @return string
+ */
+ public function getBoundary()
+ {
+ if (empty($this->_boundary)) {
+ $this->_boundary = '--' . md5('PEAR-HTTP_Request2-' . microtime());
+ }
+ return $this->_boundary;
+ }
+
+ /**
+ * Returns next chunk of request body
+ *
+ * @param integer Amount of bytes to read
+ * @return string Up to $length bytes of data, empty string if at end
+ */
+ public function read($length)
+ {
+ $ret = '';
+ $boundary = $this->getBoundary();
+ $paramCount = count($this->_params);
+ $uploadCount = count($this->_uploads);
+ while ($length > 0 && $this->_pos[0] <= $paramCount + $uploadCount) {
+ $oldLength = $length;
+ if ($this->_pos[0] < $paramCount) {
+ $param = sprintf($this->_headerParam, $boundary,
+ $this->_params[$this->_pos[0]][0]) .
+ $this->_params[$this->_pos[0]][1] . "\r\n";
+ $ret .= substr($param, $this->_pos[1], $length);
+ $length -= min(strlen($param) - $this->_pos[1], $length);
+
+ } elseif ($this->_pos[0] < $paramCount + $uploadCount) {
+ $pos = $this->_pos[0] - $paramCount;
+ $header = sprintf($this->_headerUpload, $boundary,
+ $this->_uploads[$pos]['name'],
+ $this->_uploads[$pos]['filename'],
+ $this->_uploads[$pos]['type']);
+ if ($this->_pos[1] < strlen($header)) {
+ $ret .= substr($header, $this->_pos[1], $length);
+ $length -= min(strlen($header) - $this->_pos[1], $length);
+ }
+ $filePos = max(0, $this->_pos[1] - strlen($header));
+ if ($length > 0 && $filePos < $this->_uploads[$pos]['size']) {
+ $ret .= fread($this->_uploads[$pos]['fp'], $length);
+ $length -= min($length, $this->_uploads[$pos]['size'] - $filePos);
+ }
+ if ($length > 0) {
+ $start = $this->_pos[1] + ($oldLength - $length) -
+ strlen($header) - $this->_uploads[$pos]['size'];
+ $ret .= substr("\r\n", $start, $length);
+ $length -= min(2 - $start, $length);
+ }
+
+ } else {
+ $closing = '--' . $boundary . "--\r\n";
+ $ret .= substr($closing, $this->_pos[1], $length);
+ $length -= min(strlen($closing) - $this->_pos[1], $length);
+ }
+ if ($length > 0) {
+ $this->_pos = array($this->_pos[0] + 1, 0);
+ } else {
+ $this->_pos[1] += $oldLength;
+ }
+ }
+ return $ret;
+ }
+
+ /**
+ * Sets the current position to the start of the body
+ *
+ * This allows reusing the same body in another request
+ */
+ public function rewind()
+ {
+ $this->_pos = array(0, 0);
+ foreach ($this->_uploads as $u) {
+ rewind($u['fp']);
+ }
+ }
+
+ /**
+ * Returns the body as string
+ *
+ * Note that it reads all file uploads into memory so it is a good idea not
+ * to use this method with large file uploads and rely on read() instead.
+ *
+ * @return string
+ */
+ public function __toString()
+ {
+ $this->rewind();
+ return $this->read($this->getLength());
+ }
+
+
+ /**
+ * Helper function to change the (probably multidimensional) associative array
+ * into the simple one.
+ *
+ * @param string name for item
+ * @param mixed item's values
+ * @param bool whether to append [] to array variables' names
+ * @return array array with the following items: array('item name', 'item value');
+ */
+ private static function _flattenArray($name, $values, $useBrackets)
+ {
+ if (!is_array($values)) {
+ return array(array($name, $values));
+ } else {
+ $ret = array();
+ foreach ($values as $k => $v) {
+ if (empty($name)) {
+ $newName = $k;
+ } elseif ($useBrackets) {
+ $newName = $name . '[' . $k . ']';
+ } else {
+ $newName = $name;
+ }
+ $ret = array_merge($ret, self::_flattenArray($newName, $v, $useBrackets));
+ }
+ return $ret;
+ }
+ }
+}
+?>
diff --git a/plugins/cas_auth_unl/HTTP/Request2/Observer/Log.php b/plugins/cas_auth_unl/HTTP/Request2/Observer/Log.php
new file mode 100644
index 0000000000000000000000000000000000000000..e7a064b9603cb040a98342e56e6cd6efe56896c0
--- /dev/null
+++ b/plugins/cas_auth_unl/HTTP/Request2/Observer/Log.php
@@ -0,0 +1,215 @@
+<?php
+/**
+ * An observer useful for debugging / testing.
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * 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_Request2
+ * @author David Jean Louis <izi@php.net>
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version SVN: $Id: Log.php 290743 2009-11-14 13:27:49Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Exception class for HTTP_Request2 package
+ */
+require_once 'HTTP/Request2/Exception.php';
+
+/**
+ * A debug observer useful for debugging / testing.
+ *
+ * This observer logs to a log target data corresponding to the various request
+ * and response events, it logs by default to php://output but can be configured
+ * to log to a file or via the PEAR Log package.
+ *
+ * A simple example:
+ * <code>
+ * require_once 'HTTP/Request2.php';
+ * require_once 'HTTP/Request2/Observer/Log.php';
+ *
+ * $request = new HTTP_Request2('http://www.example.com');
+ * $observer = new HTTP_Request2_Observer_Log();
+ * $request->attach($observer);
+ * $request->send();
+ * </code>
+ *
+ * A more complex example with PEAR Log:
+ * <code>
+ * require_once 'HTTP/Request2.php';
+ * require_once 'HTTP/Request2/Observer/Log.php';
+ * require_once 'Log.php';
+ *
+ * $request = new HTTP_Request2('http://www.example.com');
+ * // we want to log with PEAR log
+ * $observer = new HTTP_Request2_Observer_Log(Log::factory('console'));
+ *
+ * // we only want to log received headers
+ * $observer->events = array('receivedHeaders');
+ *
+ * $request->attach($observer);
+ * $request->send();
+ * </code>
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author David Jean Louis <izi@php.net>
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version Release: 0.5.1
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+class HTTP_Request2_Observer_Log implements SplObserver
+{
+ // properties {{{
+
+ /**
+ * The log target, it can be a a resource or a PEAR Log instance.
+ *
+ * @var resource|Log $target
+ */
+ protected $target = null;
+
+ /**
+ * The events to log.
+ *
+ * @var array $events
+ */
+ public $events = array(
+ 'connect',
+ 'sentHeaders',
+ 'sentBodyPart',
+ 'receivedHeaders',
+ 'receivedBody',
+ 'disconnect',
+ );
+
+ // }}}
+ // __construct() {{{
+
+ /**
+ * Constructor.
+ *
+ * @param mixed $target Can be a file path (default: php://output), a resource,
+ * or an instance of the PEAR Log class.
+ * @param array $events Array of events to listen to (default: all events)
+ *
+ * @return void
+ */
+ public function __construct($target = 'php://output', array $events = array())
+ {
+ if (!empty($events)) {
+ $this->events = $events;
+ }
+ if (is_resource($target) || $target instanceof Log) {
+ $this->target = $target;
+ } elseif (false === ($this->target = @fopen($target, 'w'))) {
+ throw new HTTP_Request2_Exception("Unable to open '{$target}'");
+ }
+ }
+
+ // }}}
+ // update() {{{
+
+ /**
+ * Called when the request notifies us of an event.
+ *
+ * @param HTTP_Request2 $subject The HTTP_Request2 instance
+ *
+ * @return void
+ */
+ public function update(SplSubject $subject)
+ {
+ $event = $subject->getLastEvent();
+ if (!in_array($event['name'], $this->events)) {
+ return;
+ }
+
+ switch ($event['name']) {
+ case 'connect':
+ $this->log('* Connected to ' . $event['data']);
+ break;
+ case 'sentHeaders':
+ $headers = explode("\r\n", $event['data']);
+ array_pop($headers);
+ foreach ($headers as $header) {
+ $this->log('> ' . $header);
+ }
+ break;
+ case 'sentBodyPart':
+ $this->log('> ' . $event['data'] . ' byte(s) sent');
+ break;
+ case 'receivedHeaders':
+ $this->log(sprintf('< HTTP/%s %s %s',
+ $event['data']->getVersion(),
+ $event['data']->getStatus(),
+ $event['data']->getReasonPhrase()));
+ $headers = $event['data']->getHeader();
+ foreach ($headers as $key => $val) {
+ $this->log('< ' . $key . ': ' . $val);
+ }
+ $this->log('< ');
+ break;
+ case 'receivedBody':
+ $this->log($event['data']->getBody());
+ break;
+ case 'disconnect':
+ $this->log('* Disconnected');
+ break;
+ }
+ }
+
+ // }}}
+ // log() {{{
+
+ /**
+ * Logs the given message to the configured target.
+ *
+ * @param string $message Message to display
+ *
+ * @return void
+ */
+ protected function log($message)
+ {
+ if ($this->target instanceof Log) {
+ $this->target->debug($message);
+ } elseif (is_resource($this->target)) {
+ fwrite($this->target, $message . "\r\n");
+ }
+ }
+
+ // }}}
+}
+
+?>
\ No newline at end of file
diff --git a/plugins/cas_auth_unl/HTTP/Request2/Response.php b/plugins/cas_auth_unl/HTTP/Request2/Response.php
new file mode 100644
index 0000000000000000000000000000000000000000..217fbdf6b913e3fa29465539e86763b8a4d85a62
--- /dev/null
+++ b/plugins/cas_auth_unl/HTTP/Request2/Response.php
@@ -0,0 +1,559 @@
+<?php
+/**
+ * Class representing a HTTP response
+ *
+ * PHP version 5
+ *
+ * LICENSE:
+ *
+ * Copyright (c) 2008, 2009, Alexey Borzov <avb@php.net>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * 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_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @license http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version SVN: $Id: Response.php 290520 2009-11-11 20:09:42Z avb $
+ * @link http://pear.php.net/package/HTTP_Request2
+ */
+
+/**
+ * Exception class for HTTP_Request2 package
+ */
+require_once 'HTTP/Request2/Exception.php';
+
+/**
+ * Class representing a HTTP response
+ *
+ * The class is designed to be used in "streaming" scenario, building the
+ * response as it is being received:
+ * <code>
+ * $statusLine = read_status_line();
+ * $response = new HTTP_Request2_Response($statusLine);
+ * do {
+ * $headerLine = read_header_line();
+ * $response->parseHeaderLine($headerLine);
+ * } while ($headerLine != '');
+ *
+ * while ($chunk = read_body()) {
+ * $response->appendBody($chunk);
+ * }
+ *
+ * var_dump($response->getHeader(), $response->getCookies(), $response->getBody());
+ * </code>
+ *
+ *
+ * @category HTTP
+ * @package HTTP_Request2
+ * @author Alexey Borzov <avb@php.net>
+ * @version Release: 0.5.1
+ * @link http://tools.ietf.org/html/rfc2616#section-6
+ */
+class HTTP_Request2_Response
+{
+ /**
+ * HTTP protocol version (e.g. 1.0, 1.1)
+ * @var string
+ */
+ protected $version;
+
+ /**
+ * Status code
+ * @var integer
+ * @link http://tools.ietf.org/html/rfc2616#section-6.1.1
+ */
+ protected $code;
+
+ /**
+ * Reason phrase
+ * @var string
+ * @link http://tools.ietf.org/html/rfc2616#section-6.1.1
+ */
+ protected $reasonPhrase;
+
+ /**
+ * Associative array of response headers
+ * @var array
+ */
+ protected $headers = array();
+
+ /**
+ * Cookies set in the response
+ * @var array
+ */
+ protected $cookies = array();
+
+ /**
+ * Name of last header processed by parseHederLine()
+ *
+ * Used to handle the headers that span multiple lines
+ *
+ * @var string
+ */
+ protected $lastHeader = null;
+
+ /**
+ * Response body
+ * @var string
+ */
+ protected $body = '';
+
+ /**
+ * Whether the body is still encoded by Content-Encoding
+ *
+ * cURL provides the decoded body to the callback; if we are reading from
+ * socket the body is still gzipped / deflated
+ *
+ * @var bool
+ */
+ protected $bodyEncoded;
+
+ /**
+ * Associative array of HTTP status code / reason phrase.
+ *
+ * @var array
+ * @link http://tools.ietf.org/html/rfc2616#section-10
+ */
+ protected static $phrases = array(
+
+ // 1xx: Informational - Request received, continuing process
+ 100 => 'Continue',
+ 101 => 'Switching Protocols',
+
+ // 2xx: Success - The action was successfully received, understood and
+ // accepted
+ 200 => 'OK',
+ 201 => 'Created',
+ 202 => 'Accepted',
+ 203 => 'Non-Authoritative Information',
+ 204 => 'No Content',
+ 205 => 'Reset Content',
+ 206 => 'Partial Content',
+
+ // 3xx: Redirection - Further action must be taken in order to complete
+ // the request
+ 300 => 'Multiple Choices',
+ 301 => 'Moved Permanently',
+ 302 => 'Found', // 1.1
+ 303 => 'See Other',
+ 304 => 'Not Modified',
+ 305 => 'Use Proxy',
+ 307 => 'Temporary Redirect',
+
+ // 4xx: Client Error - The request contains bad syntax or cannot be
+ // fulfilled
+ 400 => 'Bad Request',
+ 401 => 'Unauthorized',
+ 402 => 'Payment Required',
+ 403 => 'Forbidden',
+ 404 => 'Not Found',
+ 405 => 'Method Not Allowed',
+ 406 => 'Not Acceptable',
+ 407 => 'Proxy Authentication Required',
+ 408 => 'Request Timeout',
+ 409 => 'Conflict',
+ 410 => 'Gone',
+ 411 => 'Length Required',
+ 412 => 'Precondition Failed',
+ 413 => 'Request Entity Too Large',
+ 414 => 'Request-URI Too Long',
+ 415 => 'Unsupported Media Type',
+ 416 => 'Requested Range Not Satisfiable',
+ 417 => 'Expectation Failed',
+
+ // 5xx: Server Error - The server failed to fulfill an apparently
+ // valid request
+ 500 => 'Internal Server Error',
+ 501 => 'Not Implemented',
+ 502 => 'Bad Gateway',
+ 503 => 'Service Unavailable',
+ 504 => 'Gateway Timeout',
+ 505 => 'HTTP Version Not Supported',
+ 509 => 'Bandwidth Limit Exceeded',
+
+ );
+
+ /**
+ * Constructor, parses the response status line
+ *
+ * @param string Response status line (e.g. "HTTP/1.1 200 OK")
+ * @param bool Whether body is still encoded by Content-Encoding
+ * @throws HTTP_Request2_Exception if status line is invalid according to spec
+ */
+ public function __construct($statusLine, $bodyEncoded = true)
+ {
+ if (!preg_match('!^HTTP/(\d\.\d) (\d{3})(?: (.+))?!', $statusLine, $m)) {
+ throw new HTTP_Request2_Exception("Malformed response: {$statusLine}");
+ }
+ $this->version = $m[1];
+ $this->code = intval($m[2]);
+ if (!empty($m[3])) {
+ $this->reasonPhrase = trim($m[3]);
+ } elseif (!empty(self::$phrases[$this->code])) {
+ $this->reasonPhrase = self::$phrases[$this->code];
+ }
+ $this->bodyEncoded = (bool)$bodyEncoded;
+ }
+
+ /**
+ * Parses the line from HTTP response filling $headers array
+ *
+ * The method should be called after reading the line from socket or receiving
+ * it into cURL callback. Passing an empty string here indicates the end of
+ * response headers and triggers additional processing, so be sure to pass an
+ * empty string in the end.
+ *
+ * @param string Line from HTTP response
+ */
+ public function parseHeaderLine($headerLine)
+ {
+ $headerLine = trim($headerLine, "\r\n");
+
+ // empty string signals the end of headers, process the received ones
+ if ('' == $headerLine) {
+ if (!empty($this->headers['set-cookie'])) {
+ $cookies = is_array($this->headers['set-cookie'])?
+ $this->headers['set-cookie']:
+ array($this->headers['set-cookie']);
+ foreach ($cookies as $cookieString) {
+ $this->parseCookie($cookieString);
+ }
+ unset($this->headers['set-cookie']);
+ }
+ foreach (array_keys($this->headers) as $k) {
+ if (is_array($this->headers[$k])) {
+ $this->headers[$k] = implode(', ', $this->headers[$k]);
+ }
+ }
+
+ // string of the form header-name: header value
+ } elseif (preg_match('!^([^\x00-\x1f\x7f-\xff()<>@,;:\\\\"/\[\]?={}\s]+):(.+)$!', $headerLine, $m)) {
+ $name = strtolower($m[1]);
+ $value = trim($m[2]);
+ if (empty($this->headers[$name])) {
+ $this->headers[$name] = $value;
+ } else {
+ if (!is_array($this->headers[$name])) {
+ $this->headers[$name] = array($this->headers[$name]);
+ }
+ $this->headers[$name][] = $value;
+ }
+ $this->lastHeader = $name;
+
+ // continuation of a previous header
+ } elseif (preg_match('!^\s+(.+)$!', $headerLine, $m) && $this->lastHeader) {
+ if (!is_array($this->headers[$this->lastHeader])) {
+ $this->headers[$this->lastHeader] .= ' ' . trim($m[1]);
+ } else {
+ $key = count($this->headers[$this->lastHeader]) - 1;
+ $this->headers[$this->lastHeader][$key] .= ' ' . trim($m[1]);
+ }
+ }
+ }
+
+ /**
+ * Parses a Set-Cookie header to fill $cookies array
+ *
+ * @param string value of Set-Cookie header
+ * @link http://web.archive.org/web/20080331104521/http://cgi.netscape.com/newsref/std/cookie_spec.html
+ */
+ protected function parseCookie($cookieString)
+ {
+ $cookie = array(
+ 'expires' => null,
+ 'domain' => null,
+ 'path' => null,
+ 'secure' => false
+ );
+
+ // Only a name=value pair
+ if (!strpos($cookieString, ';')) {
+ $pos = strpos($cookieString, '=');
+ $cookie['name'] = trim(substr($cookieString, 0, $pos));
+ $cookie['value'] = trim(substr($cookieString, $pos + 1));
+
+ // Some optional parameters are supplied
+ } else {
+ $elements = explode(';', $cookieString);
+ $pos = strpos($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[] = $cookie;
+ }
+
+ /**
+ * Appends a string to the response body
+ * @param string
+ */
+ public function appendBody($bodyChunk)
+ {
+ $this->body .= $bodyChunk;
+ }
+
+ /**
+ * Returns the status code
+ * @return integer
+ */
+ public function getStatus()
+ {
+ return $this->code;
+ }
+
+ /**
+ * Returns the reason phrase
+ * @return string
+ */
+ public function getReasonPhrase()
+ {
+ return $this->reasonPhrase;
+ }
+
+ /**
+ * Whether response is a redirect that can be automatically handled by HTTP_Request2
+ * @return bool
+ */
+ public function isRedirect()
+ {
+ return in_array($this->code, array(300, 301, 302, 303, 307))
+ && isset($this->headers['location']);
+ }
+
+ /**
+ * Returns either the named header or all response headers
+ *
+ * @param string Name of header to return
+ * @return string|array Value of $headerName header (null if header is
+ * not present), array of all response headers if
+ * $headerName is null
+ */
+ public function getHeader($headerName = null)
+ {
+ if (null === $headerName) {
+ return $this->headers;
+ } else {
+ $headerName = strtolower($headerName);
+ return isset($this->headers[$headerName])? $this->headers[$headerName]: null;
+ }
+ }
+
+ /**
+ * Returns cookies set in response
+ *
+ * @return array
+ */
+ public function getCookies()
+ {
+ return $this->cookies;
+ }
+
+ /**
+ * Returns the body of the response
+ *
+ * @return string
+ * @throws HTTP_Request2_Exception if body cannot be decoded
+ */
+ public function getBody()
+ {
+ if (!$this->bodyEncoded ||
+ !in_array(strtolower($this->getHeader('content-encoding')), array('gzip', 'deflate'))
+ ) {
+ return $this->body;
+
+ } else {
+ if (extension_loaded('mbstring') && (2 & ini_get('mbstring.func_overload'))) {
+ $oldEncoding = mb_internal_encoding();
+ mb_internal_encoding('iso-8859-1');
+ }
+
+ try {
+ switch (strtolower($this->getHeader('content-encoding'))) {
+ case 'gzip':
+ $decoded = self::decodeGzip($this->body);
+ break;
+ case 'deflate':
+ $decoded = self::decodeDeflate($this->body);
+ }
+ } catch (Exception $e) {
+ }
+
+ if (!empty($oldEncoding)) {
+ mb_internal_encoding($oldEncoding);
+ }
+ if (!empty($e)) {
+ throw $e;
+ }
+ return $decoded;
+ }
+ }
+
+ /**
+ * Get the HTTP version of the response
+ *
+ * @return string
+ */
+ public function getVersion()
+ {
+ return $this->version;
+ }
+
+ /**
+ * Decodes the message-body encoded by gzip
+ *
+ * The real decoding work is done by gzinflate() built-in function, this
+ * method only parses the header and checks data for compliance with
+ * RFC 1952
+ *
+ * @param string gzip-encoded data
+ * @return string decoded data
+ * @throws HTTP_Request2_Exception
+ * @link http://tools.ietf.org/html/rfc1952
+ */
+ public static function decodeGzip($data)
+ {
+ $length = strlen($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;
+ }
+ if (!function_exists('gzinflate')) {
+ throw new HTTP_Request2_Exception('Unable to decode body: gzip extension not available');
+ }
+ $method = ord(substr($data, 2, 1));
+ if (8 != $method) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: unknown compression method');
+ }
+ $flags = ord(substr($data, 3, 1));
+ if ($flags & 224) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: reserved bits are set');
+ }
+
+ // 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) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: data too short');
+ }
+ $extraLength = unpack('v', substr($data, 10, 2));
+ if ($length - $headerLength - 2 - $extraLength[1] < 8) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: data too short');
+ }
+ $headerLength += $extraLength[1] + 2;
+ }
+ // file name, need to skip that
+ if ($flags & 8) {
+ if ($length - $headerLength - 1 < 8) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: data too short');
+ }
+ $filenameLength = strpos(substr($data, $headerLength), chr(0));
+ if (false === $filenameLength || $length - $headerLength - $filenameLength - 1 < 8) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: data too short');
+ }
+ $headerLength += $filenameLength + 1;
+ }
+ // comment, need to skip that also
+ if ($flags & 16) {
+ if ($length - $headerLength - 1 < 8) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: data too short');
+ }
+ $commentLength = strpos(substr($data, $headerLength), chr(0));
+ if (false === $commentLength || $length - $headerLength - $commentLength - 1 < 8) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: data too short');
+ }
+ $headerLength += $commentLength + 1;
+ }
+ // have a CRC for header. let's check
+ if ($flags & 2) {
+ if ($length - $headerLength - 2 < 8) {
+ throw new HTTP_Request2_Exception('Error parsing gzip header: data too short');
+ }
+ $crcReal = 0xffff & crc32(substr($data, 0, $headerLength));
+ $crcStored = unpack('v', substr($data, $headerLength, 2));
+ if ($crcReal != $crcStored[1]) {
+ throw new HTTP_Request2_Exception('Header CRC check failed');
+ }
+ $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
+ // don't pass $dataSize to gzinflate, see bugs #13135, #14370
+ $unpacked = gzinflate(substr($data, $headerLength, -8));
+ if (false === $unpacked) {
+ throw new HTTP_Request2_Exception('gzinflate() call failed');
+ } elseif ($dataSize != strlen($unpacked)) {
+ throw new HTTP_Request2_Exception('Data size check failed');
+ } elseif ((0xffffffff & $dataCrc) != (0xffffffff & crc32($unpacked))) {
+ throw new HTTP_Request2_Exception('Data CRC check failed');
+ }
+ return $unpacked;
+ }
+
+ /**
+ * Decodes the message-body encoded by deflate
+ *
+ * @param string deflate-encoded data
+ * @return string decoded data
+ * @throws HTTP_Request2_Exception
+ */
+ public static function decodeDeflate($data)
+ {
+ if (!function_exists('gzuncompress')) {
+ throw new HTTP_Request2_Exception('Unable to decode body: gzip extension not available');
+ }
+ // RFC 2616 defines 'deflate' encoding as zlib format from RFC 1950,
+ // while many applications send raw deflate stream from RFC 1951.
+ // We should check for presence of zlib header and use gzuncompress() or
+ // gzinflate() as needed. See bug #15305
+ $header = unpack('n', substr($data, 0, 2));
+ return (0 == $header[1] % 31)? gzuncompress($data): gzinflate($data);
+ }
+}
+?>
\ No newline at end of file