File indexing completed on 2024-12-22 05:36:47

 <?php
 
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Http
  * @subpackage Client
  * @version    $Id$
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
 /**
  * @see Zend_Loader
  */
 // require_once 'Zend/Loader.php';
 
 
 /**
  * @see Zend_Uri
  */
 // require_once 'Zend/Uri.php';
 
 
 /**
  * @see Zend_Http_Client_Adapter_Interface
  */
 // require_once 'Zend/Http/Client/Adapter/Interface.php';
 
 
 /**
  * @see Zend_Http_Header_HeaderValue
  */
 // require_once 'Zend/Http/Header/HeaderValue.php';
 
 
 /**
  * @see Zend_Http_Response
  */
 // require_once 'Zend/Http/Response.php';
 
 /**
  * @see Zend_Http_Response_Stream
  */
 // require_once 'Zend/Http/Response/Stream.php';
 
 /**
  * Zend_Http_Client is an implementation of an HTTP client in PHP. The client
  * supports basic features like sending different HTTP requests and handling
  * redirections, as well as more advanced features like proxy settings, HTTP
  * authentication and cookie persistence (using a Zend_Http_CookieJar object)
  *
  * @todo Implement proxy settings
  * @category   Zend
  * @package    Zend_Http
  * @subpackage Client
  * @throws     Zend_Http_Client_Exception
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Http_Client
 {
     /**
      * HTTP request methods
      */
     const GET     = 'GET';
     const POST    = 'POST';
     const PUT     = 'PUT';
     const HEAD    = 'HEAD';
     const DELETE  = 'DELETE';
     const TRACE   = 'TRACE';
     const OPTIONS = 'OPTIONS';
     const CONNECT = 'CONNECT';
     const MERGE   = 'MERGE';
     const PATCH   = 'PATCH';
 
     /**
      * Supported HTTP Authentication methods
      */
     const AUTH_BASIC = 'basic';
     //const AUTH_DIGEST = 'digest'; <-- not implemented yet
 
     /**
      * HTTP protocol versions
      */
     const HTTP_1 = '1.1';
     const HTTP_0 = '1.0';
 
     /**
      * Content attributes
      */
     const CONTENT_TYPE   = 'Content-Type';
     const CONTENT_LENGTH = 'Content-Length';
 
     /**
      * POST data encoding methods
      */
     const ENC_URLENCODED = 'application/x-www-form-urlencoded';
     const ENC_FORMDATA   = 'multipart/form-data';
 
     /**
      * Value types for Body key/value pairs
      */
     const VTYPE_SCALAR  = 'SCALAR';
     const VTYPE_FILE    = 'FILE';
 
     /**
      * Configuration array, set using the constructor or using ::setConfig()
      *
      * @var array
      */
     protected $config = array(
         'maxredirects'    => 5,
         'strictredirects' => false,
         'useragent'       => 'Zend_Http_Client',
         'timeout'         => 10,
         'adapter'         => 'Zend_Http_Client_Adapter_Socket',
         'httpversion'     => self::HTTP_1,
         'keepalive'       => false,
         'storeresponse'   => true,
         'strict'          => true,
         'output_stream'   => false,
         'encodecookies'   => true,
         'rfc3986_strict'  => false
     );
 
     /**
      * The adapter used to perform the actual connection to the server
      *
      * @var Zend_Http_Client_Adapter_Interface
      */
     protected $adapter = null;
 
     /**
      * Request URI
      *
      * @var Zend_Uri_Http
      */
     protected $uri = null;
 
     /**
      * Associative array of request headers
      *
      * @var array
      */
     protected $headers = array();
 
     /**
      * HTTP request method
      *
      * @var string
      */
     protected $method = self::GET;
 
     /**
      * Associative array of GET parameters
      *
      * @var array
      */
     protected $paramsGet = array();
 
     /**
      * Associative array of POST parameters
      *
      * @var array
      */
     protected $paramsPost = array();
 
     /**
      * Request body content type (for POST requests)
      *
      * @var string
      */
     protected $enctype = null;
 
     /**
      * The raw post data to send. Could be set by setRawData($data, $enctype).
      *
      * @var string
      */
     protected $raw_post_data = null;
 
     /**
      * HTTP Authentication settings
      *
      * Expected to be an associative array with this structure:
      * $this->auth = array('user' => 'username', 'password' => 'password', 'type' => 'basic')
      * Where 'type' should be one of the supported authentication types (see the AUTH_*
      * constants), for example 'basic' or 'digest'.
      *
      * If null, no authentication will be used.
      *
      * @var array|null
      */
     protected $auth;
 
     /**
      * File upload arrays (used in POST requests)
      *
      * An associative array, where each element is of the format:
      *   'name' => array('filename.txt', 'text/plain', 'This is the actual file contents')
      *
      * @var array
      */
     protected $files = array();
 
     /**
      * Ordered list of keys from key/value pair data to include in body
      *
      * An associative array, where each element is of the format:
      *   '<field name>' => VTYPE_SCALAR | VTYPE_FILE
      *
      * @var array
      */
     protected $body_field_order = array();
 
     /**
      * The client's cookie jar
      *
      * @var Zend_Http_CookieJar
      */
     protected $cookiejar = null;
 
     /**
      * The last HTTP request sent by the client, as string
      *
      * @var string
      */
     protected $last_request = null;
 
     /**
      * The last HTTP response received by the client
      *
      * @var Zend_Http_Response
      */
     protected $last_response = null;
 
     /**
      * Redirection counter
      *
      * @var int
      */
     protected $redirectCounter = 0;
 
     /**
      * Status for unmasking GET array params
      *
      * @var boolean
      */
     protected $_unmaskStatus = false;
 
     /**
      * Status if the http_build_query function escapes brackets
      *
      * @var boolean
      */
     protected $_queryBracketsEscaped = true;
 
     /**
      * Fileinfo magic database resource
      *
      * This variable is populated the first time _detectFileMimeType is called
      * and is then reused on every call to this method
      *
      * @var resource
      */
     protected static $_fileInfoDb = null;
 
     /**
      * Constructor method. Will create a new HTTP client. Accepts the target
      * URL and optionally configuration array.
      *
      * @param Zend_Uri_Http|string $uri
      * @param array                $config Configuration key-value pairs.
      * @throws Zend_Http_Client_Exception
      * @throws Zend_Uri_Exception
      */
     public function __construct($uri = null, $config = null)
     {
         if ($uri !== null) {
             $this->setUri($uri);
         }
         if ($config !== null) {
             $this->setConfig($config);
         }
 
         $this->_queryBracketsEscaped = version_compare(phpversion(), '5.1.3', '>=');
     }
 
     /**
      * Set the URI for the next request
      *
      * @param Zend_Uri_Http|string $uri
      * @return Zend_Http_Client
      * @throws Zend_Http_Client_Exception
      * @throws Zend_Uri_Exception
      */
     public function setUri($uri)
     {
         if ($uri instanceof Zend_Uri_Http) {
             // clone the URI in order to keep the passed parameter constant
             $uri = clone $uri;
         } elseif (is_string($uri)) {
             $uri = Zend_Uri::factory($uri);
         }
 
         if (!$uri instanceof Zend_Uri_Http) {
             /** @see Zend_Http_Client_Exception */
             // require_once 'Zend/Http/Client/Exception.php';
             throw new Zend_Http_Client_Exception('Passed parameter is not a valid HTTP URI.');
         }
 
         // Set auth if username and password has been specified in the uri
         if ($uri->getUsername() && $uri->getPassword()) {
             $this->setAuth($uri->getUsername(), $uri->getPassword());
         }
 
         // We have no ports, set the defaults
         if (! $uri->getPort()) {
             $uri->setPort(($uri->getScheme() == 'https' ? 443 : 80));
         }
 
         $this->uri = $uri;
 
         return $this;
     }
 
     /**
      * Get the URI for the next request
      *
      * @param boolean $as_string If true, will return the URI as a string
      * @return Zend_Uri_Http|string
      */
     public function getUri($as_string = false)
     {
         if ($as_string && $this->uri instanceof Zend_Uri_Http) {
             return $this->uri->__toString();
         } else {
             return $this->uri;
         }
     }
 
     /**
      * Set configuration parameters for this HTTP client
      *
      * @param  Zend_Config | array $config
      * @return Zend_Http_Client
      * @throws Zend_Http_Client_Exception
      */
     public function setConfig($config = array())
     {
         if ($config instanceof Zend_Config) {
             $config = $config->toArray();
 
         } elseif (! is_array($config)) {
             /** @see Zend_Http_Client_Exception */
             // require_once 'Zend/Http/Client/Exception.php';
             throw new Zend_Http_Client_Exception('Array or Zend_Config object expected, got ' . gettype($config));
         }
 
         foreach ($config as $k => $v) {
             $this->config[strtolower($k)] = $v;
         }
 
         // Pass configuration options to the adapter if it exists
         if ($this->adapter instanceof Zend_Http_Client_Adapter_Interface) {
             $this->adapter->setConfig($config);
         }
 
         return $this;
     }
 
     /**
      * Set the next request's method
      *
      * Validated the passed method and sets it. If we have files set for
      * POST requests, and the new method is not POST, the files are silently
      * dropped.
      *
      * @param string $method
      * @return Zend_Http_Client
      * @throws Zend_Http_Client_Exception
      */
     public function setMethod($method = self::GET)
     {
         if (! preg_match('/^[^\x00-\x1f\x7f-\xff\(\)<>@,;:\\\\"\/\[\]\?={}\s]+$/', $method)) {
             // require_once 'Zend/Http/Client/Exception.php';
             throw new Zend_Http_Client_Exception("'{$method}' is not a valid HTTP request method.");
         }
 
         if (($method == self::POST
                 || $method == self::PUT
                 || $method == self::DELETE
                 || $method == self::PATCH
                 || $method == self::OPTIONS)
             && $this->enctype === null
         ) {
             $this->setEncType(self::ENC_URLENCODED);
         }
 
         $this->method = $method;
 
         return $this;
     }
 
     /**
      * Set one or more request headers
      *
      * This function can be used in several ways to set the client's request
      * headers:
      * 1. By providing two parameters: $name as the header to set (e.g. 'Host')
      *    and $value as it's value (e.g. 'www.example.com').
      * 2. By providing a single header string as the only parameter
      *    e.g. 'Host: www.example.com'
      * 3. By providing an array of headers as the first parameter
      *    e.g. array('host' => 'www.example.com', 'x-foo: bar'). In This case
      *    the function will call itself recursively for each array item.
      *
      * @param string|array $name Header name, full header string ('Header: value')
      *     or an array of headers
      * @param mixed $value Header value or null
      * @return Zend_Http_Client
      * @throws Zend_Http_Client_Exception
      */
     public function setHeaders($name, $value = null)
     {
         // If we got an array, go recursive!
         if (is_array($name)) {
             foreach ($name as $k => $v) {
                 if (is_string($k)) {
                     $this->setHeaders($k, $v);
                     continue;
                 }
                 $this->setHeaders($v, null);
             }
             return $this;
         }
 
         // Check if $name needs to be split
         if ($value === null && (strpos($name, ':') > 0)) {
             list($name, $value) = explode(':', $name, 2);
         }
 
         // Make sure the name is valid if we are in strict mode
         if ($this->config['strict'] && (! preg_match('/^[a-zA-Z0-9-]+$/', $name))) {
             // require_once 'Zend/Http/Client/Exception.php';
             throw new Zend_Http_Client_Exception("{$name} is not a valid HTTP header name");
         }
 
         $normalized_name = strtolower($name);
 
         // If $value is null or false, unset the header
         if ($value === null || $value === false) {
             unset($this->headers[$normalized_name]);
             return $this;
         }
 
         // Validate value
         $this->_validateHeaderValue($value);
 
         // Header names are stored lowercase internally.
         if (is_string($value)) {
             $value = trim($value);
         }
         $this->headers[$normalized_name] = array($name, $value);
 
         return $this;
     }
 
     /**
      * Get the value of a specific header
      *
      * Note that if the header has more than one value, an array
      * will be returned.
      *
      * @param string $key
      * @return string|array|null The header value or null if it is not set
      */
     public function getHeader($key)
     {
         $key = strtolower($key);
         if (isset($this->headers[$key])) {
             return $this->headers[$key][1];
         } else {
             return null;
         }
     }
 
     /**
      * Set a GET parameter for the request. Wrapper around _setParameter
      *
      * @param string|array $name
      * @param string $value
      * @return Zend_Http_Client
      */
     public function setParameterGet($name, $value = null)
     {
         if (is_array($name)) {
             foreach ($name as $k => $v)
                 $this->_setParameter('GET', $k, $v);
         } else {
             $this->_setParameter('GET', $name, $value);
         }
 
         return $this;
     }
 
     /**
      * Set a POST parameter for the request. Wrapper around _setParameter
      *
      * @param string|array $name
      * @param string $value
      * @return Zend_Http_Client
      */
     public function setParameterPost($name, $value = null)
     {
         if (is_array($name)) {
             foreach ($name as $k => $v)
                 $this->_setParameter('POST', $k, $v);
         } else {
             $this->_setParameter('POST', $name, $value);
         }
 
         return $this;
     }
 
     /**
      * Set a GET or POST parameter - used by SetParameterGet and SetParameterPost
      *
      * @param string $type GET or POST
      * @param string $name
      * @param string $value
      * @return null
      */
     protected function _setParameter($type, $name, $value)
     {
         $parray = array();
         $type = strtolower($type);
         switch ($type) {
             case 'get':
                 $parray = &$this->paramsGet;
                 break;
             case 'post':
                 $parray = &$this->paramsPost;
                 if ( $value === null ) {
                     if (isset($this->body_field_order[$name]))
                         unset($this->body_field_order[$name]);
                 } else {
                     $this->body_field_order[$name] = self::VTYPE_SCALAR;
                 }
                 break;
         }
 
         if ($value === null) {
             if (isset($parray[$name])) unset($parray[$name]);
         } else {
             $parray[$name] = $value;
         }
     }
 
     /**
      * Get the number of redirections done on the last request
      *
      * @return int
      */
     public function getRedirectionsCount()
     {
         return $this->redirectCounter;
     }
 
     /**
      * Set HTTP authentication parameters
      *
      * $type should be one of the supported types - see the self::AUTH_*
      * constants.
      *
      * To enable authentication:
      * <code>
      * $this->setAuth('shahar', 'secret', Zend_Http_Client::AUTH_BASIC);
      * </code>
      *
      * To disable authentication:
      * <code>
      * $this->setAuth(false);
      * </code>
      *
      * @see http://www.faqs.org/rfcs/rfc2617.html
      * @param string|false $user User name or false disable authentication
      * @param string $password Password
      * @param string $type Authentication type
      * @return Zend_Http_Client
      * @throws Zend_Http_Client_Exception
      */
     public function setAuth($user, $password = '', $type = self::AUTH_BASIC)
     {
         // If we got false or null, disable authentication
         if ($user === false || $user === null) {
             $this->auth = null;
 
             // Clear the auth information in the uri instance as well
             if ($this->uri instanceof Zend_Uri_Http) {
                 $this->getUri()->setUsername('');
                 $this->getUri()->setPassword('');
             }
         // Else, set up authentication
         } else {
             // Check we got a proper authentication type
             if (! defined('self::AUTH_' . strtoupper($type))) {
                 /** @see Zend_Http_Client_Exception */
                 // require_once 'Zend/Http/Client/Exception.php';
                 throw new Zend_Http_Client_Exception("Invalid or not supported authentication type: '$type'");
             }
 
             $this->auth = array(
                 'user' => (string) $user,
                 'password' => (string) $password,
                 'type' => $type
             );
         }
 
         return $this;
     }
 
     /**
      * Set the HTTP client's cookie jar.
      *
      * A cookie jar is an object that holds and maintains cookies across HTTP requests
      * and responses.
      *
      * @param Zend_Http_CookieJar|boolean $cookiejar Existing cookiejar object, true to create a new one, false to disable
      * @return Zend_Http_Client
      * @throws Zend_Http_Client_Exception
      */
     public function setCookieJar($cookiejar = true)
     {
         Zend_Loader::loadClass('Zend_Http_CookieJar');
 
         if ($cookiejar instanceof Zend_Http_CookieJar) {
             $this->cookiejar = $cookiejar;
         } elseif ($cookiejar === true) {
             $this->cookiejar = new Zend_Http_CookieJar();
         } elseif (! $cookiejar) {
             $this->cookiejar = null;
         } else {
             /** @see Zend_Http_Client_Exception */
             // require_once 'Zend/Http/Client/Exception.php';
             throw new Zend_Http_Client_Exception('Invalid parameter type passed as CookieJar');
         }
 
         return $this;
     }
 
     /**
      * Return the current cookie jar or null if none.
      *
      * @return Zend_Http_CookieJar|null
      */
     public function getCookieJar()
     {
         return $this->cookiejar;
     }
 
     /**
      * Add a cookie to the request. If the client has no Cookie Jar, the cookies
      * will be added directly to the headers array as "Cookie" headers.
      *
      * @param Zend_Http_Cookie|string $cookie
      * @param string|null $value If "cookie" is a string, this is the cookie value.
      * @return Zend_Http_Client
      * @throws Zend_Http_Client_Exception
      */
     public function setCookie($cookie, $value = null)
     {
         Zend_Loader::loadClass('Zend_Http_Cookie');
 
         if (is_array($cookie)) {
             foreach ($cookie as $c => $v) {
                 if (is_string($c)) {
                     $this->setCookie($c, $v);
                 } else {
                     $this->setCookie($v);
                 }
             }
 
             return $this;
         }
 
         if ($value !== null && $this->config['encodecookies']) {
             $value = urlencode($value);
         }
 
         if (isset($this->cookiejar)) {
             if ($cookie instanceof Zend_Http_Cookie) {
                 $this->cookiejar->addCookie($cookie);
             } elseif (is_string($cookie) && $value !== null) {
                 $cookie = Zend_Http_Cookie::fromString("{$cookie}={$value}",
                                                        $this->uri,
                                                        $this->config['encodecookies']);
                 $this->cookiejar->addCookie($cookie);
             }
         } else {
             if ($cookie instanceof Zend_Http_Cookie) {
                 $name = $cookie->getName();
                 $value = $cookie->getValue();
                 $cookie = $name;
             }
 
             if (preg_match("/[=,; \t\r\n\013\014]/", $cookie)) {
                 /** @see Zend_Http_Client_Exception */
                 // require_once 'Zend/Http/Client/Exception.php';
                 throw new Zend_Http_Client_Exception("Cookie name cannot contain these characters: =,; \t\r\n\013\014 ({$cookie})");
             }
 
             $value = addslashes($value);
 
             if (! isset($this->headers['cookie'])) {
                 $this->headers['cookie'] = array('Cookie', '');
             }
             $this->headers['cookie'][1] .= $cookie . '=' . $value . '; ';
         }
 
         return $this;
     }
 
     /**
      * Set a file to upload (using a POST request)
      *
      * Can be used in two ways:
      *
      * 1. $data is null (default): $filename is treated as the name if a local file which
      *    will be read and sent. Will try to guess the content type using mime_content_type().
      * 2. $data is set - $filename is sent as the file name, but $data is sent as the file
      *    contents and no file is read from the file system. In this case, you need to
      *    manually set the Content-Type ($ctype) or it will default to
      *    application/octet-stream.
      *
      * @param string $filename Name of file to upload, or name to save as
      * @param string $formname Name of form element to send as
      * @param string $data Data to send (if null, $filename is read and sent)
      * @param string $ctype Content type to use (if $data is set and $ctype is
      *     null, will be application/octet-stream)
      * @return Zend_Http_Client
      * @throws Zend_Http_Client_Exception
      */
     public function setFileUpload($filename, $formname, $data = null, $ctype = null)
     {
         if ($data === null) {
             if (($data = @file_get_contents($filename)) === false) {
                 /** @see Zend_Http_Client_Exception */
                 // require_once 'Zend/Http/Client/Exception.php';
                 throw new Zend_Http_Client_Exception("Unable to read file '{$filename}' for upload");
             }
 
             if (! $ctype) {
                 $ctype = $this->_detectFileMimeType($filename);
             }
         }
 
         // Force enctype to multipart/form-data
         $this->setEncType(self::ENC_FORMDATA);
 
         $this->files[] = array(
             'formname' => $formname,
             'filename' => basename($filename),
             'ctype'    => $ctype,
             'data'     => $data
         );
 
         $this->body_field_order[$formname] = self::VTYPE_FILE;
 
         return $this;
     }
 
     /**
      * Set the encoding type for POST data
      *
      * @param string $enctype
      * @return Zend_Http_Client
      */
     public function setEncType($enctype = self::ENC_URLENCODED)
     {
         $this->enctype = $enctype;
 
         return $this;
     }
 
     /**
      * Set the raw (already encoded) POST data.
      *
      * This function is here for two reasons:
      * 1. For advanced user who would like to set their own data, already encoded
      * 2. For backwards compatibilty: If someone uses the old post($data) method.
      *    this method will be used to set the encoded data.
      *
      * $data can also be stream (such as file) from which the data will be read.
      *
      * @param string|resource $data
      * @param string $enctype
      * @return Zend_Http_Client
      */
     public function setRawData($data, $enctype = null)
     {
         $this->raw_post_data = $data;
         $this->setEncType($enctype);
         if (is_resource($data)) {
             // We've got stream data
             $stat = @fstat($data);
             if($stat) {
                 $this->setHeaders(self::CONTENT_LENGTH, $stat['size']);
             }
         }
         return $this;
     }
 
     /**
      * Set the unmask feature for GET parameters as array
      *
      * Example:
      * foo%5B0%5D=a&foo%5B1%5D=b
      * becomes
      * foo=a&foo=b
      *
      * This is usefull for some services
      *
      * @param boolean $status
      * @return Zend_Http_Client
      */
     public function setUnmaskStatus($status = true)
     {
         $this->_unmaskStatus = (BOOL)$status;
         return $this;
     }
 
     /**
      * Returns the currently configured unmask status
      *
      * @return boolean
      */
     public function getUnmaskStatus()
     {
         return $this->_unmaskStatus;
     }
 
     /**
      * Clear all GET and POST parameters
      *
      * Should be used to reset the request parameters if the client is
      * used for several concurrent requests.
      *
      * clearAll parameter controls if we clean just parameters or also
      * headers and last_*
      *
      * @param bool $clearAll Should all data be cleared?
      * @return Zend_Http_Client
      */
     public function resetParameters($clearAll = false)
     {
         // Reset parameter data
         $this->paramsGet     = array();
         $this->paramsPost    = array();
         $this->files         = array();
         $this->raw_post_data = null;
         $this->enctype       = null;
 
         if($clearAll) {
             $this->headers = array();
             $this->last_request = null;
             $this->last_response = null;
         } else {
             // Clear outdated headers
             if (isset($this->headers[strtolower(self::CONTENT_TYPE)])) {
                 unset($this->headers[strtolower(self::CONTENT_TYPE)]);
             }
             if (isset($this->headers[strtolower(self::CONTENT_LENGTH)])) {
                 unset($this->headers[strtolower(self::CONTENT_LENGTH)]);
             }
         }
 
         return $this;
     }
 
     /**
      * Get the last HTTP request as string
      *
      * @return string
      */
     public function getLastRequest()
     {
         return $this->last_request;
     }
 
     /**
      * Get the last HTTP response received by this client
      *
      * If $config['storeresponse'] is set to false, or no response was
      * stored yet, will return null
      *
      * @return Zend_Http_Response or null if none
      */
     public function getLastResponse()
     {
         return $this->last_response;
     }
 
     /**
      * Load the connection adapter
      *
      * While this method is not called more than one for a client, it is
      * seperated from ->request() to preserve logic and readability
      *
      * @param Zend_Http_Client_Adapter_Interface|string $adapter
      * @return null
      * @throws Zend_Http_Client_Exception
      */
     public function setAdapter($adapter)
     {
         if (is_string($adapter)) {
             try {
                 Zend_Loader::loadClass($adapter);
             } catch (Zend_Exception $e) {
                 /** @see Zend_Http_Client_Exception */
                 // require_once 'Zend/Http/Client/Exception.php';
                 throw new Zend_Http_Client_Exception("Unable to load adapter '$adapter': {$e->getMessage()}", 0, $e);
             }
 
             $adapter = new $adapter;
         }
 
         if (! $adapter instanceof Zend_Http_Client_Adapter_Interface) {
             /** @see Zend_Http_Client_Exception */
             // require_once 'Zend/Http/Client/Exception.php';
             throw new Zend_Http_Client_Exception('Passed adapter is not a HTTP connection adapter');
         }
 
         $this->adapter = $adapter;
         $config = $this->config;
         unset($config['adapter']);
         $this->adapter->setConfig($config);
     }
 
     /**
      * Load the connection adapter
      *
      * @return Zend_Http_Client_Adapter_Interface $adapter
      */
     public function getAdapter()
     {
         if (null === $this->adapter) {
             $this->setAdapter($this->config['adapter']);
         }
 
         return $this->adapter;
     }
 
     /**
      * Set streaming for received data
      *
      * @param string|boolean $streamfile Stream file, true for temp file, false/null for no streaming
      * @return Zend_Http_Client
      */
     public function setStream($streamfile = true)
     {
         $this->setConfig(array("output_stream" => $streamfile));
         return $this;
     }
 
     /**
      * Get status of streaming for received data
      * @return boolean|string
      */
     public function getStream()
     {
         return $this->config["output_stream"];
     }
 
     /**
      * Create temporary stream
      *
      * @return resource
      */
     protected function _openTempStream()
     {
         $this->_stream_name = $this->config['output_stream'];
         if(!is_string($this->_stream_name)) {
             // If name is not given, create temp name
             $this->_stream_name = tempnam(isset($this->config['stream_tmp_dir'])?$this->config['stream_tmp_dir']:sys_get_temp_dir(),
                  'Zend_Http_Client');
         }
 
         if (false === ($fp = @fopen($this->_stream_name, "w+b"))) {
                 if ($this->adapter instanceof Zend_Http_Client_Adapter_Interface) {
                     $this->adapter->close();
                 }
                 // require_once 'Zend/Http/Client/Exception.php';
                 throw new Zend_Http_Client_Exception("Could not open temp file {$this->_stream_name}");
         }
 
         return $fp;
     }
 
     /**
      * Send the HTTP request and return an HTTP response object
      *
      * @param string $method
      * @return Zend_Http_Response
      * @throws Zend_Http_Client_Exception
      */
     public function request($method = null)
     {
         if (! $this->uri instanceof Zend_Uri_Http) {
             /** @see Zend_Http_Client_Exception */
             // require_once 'Zend/Http/Client/Exception.php';
             throw new Zend_Http_Client_Exception('No valid URI has been passed to the client');
         }
 
         if ($method) {
             $this->setMethod($method);
         }
         $this->redirectCounter = 0;
         $response = null;
 
         // Make sure the adapter is loaded
         if ($this->adapter == null) {
             $this->setAdapter($this->config['adapter']);
         }
 
         // Send the first request. If redirected, continue.
         do {
             // Clone the URI and add the additional GET parameters to it
             $uri = clone $this->uri;
             if (! empty($this->paramsGet)) {
                 $query = $uri->getQuery();
                    if (! empty($query)) {
                        $query .= '&';
                    }
                 $query .= http_build_query($this->paramsGet, null, '&');
                 if ($this->config['rfc3986_strict']) {
                     $query = str_replace('+', '%20', $query);
                 }
 
                 // @see ZF-11671 to unmask for some services to foo=val1&foo=val2
                 if ($this->getUnmaskStatus()) {
                     if ($this->_queryBracketsEscaped) {
                         $query = preg_replace('/%5B(?:[0-9]|[1-9][0-9]+)%5D=/', '=', $query);
                     } else {
                         $query = preg_replace('/\\[(?:[0-9]|[1-9][0-9]+)\\]=/', '=', $query);
                     }
                 }
 
                 $uri->setQuery($query);
             }
 
             $body = $this->_prepareBody();
             $headers = $this->_prepareHeaders();
 
             // check that adapter supports streaming before using it
             if(is_resource($body) && !($this->adapter instanceof Zend_Http_Client_Adapter_Stream)) {
                 /** @see Zend_Http_Client_Exception */
                 // require_once 'Zend/Http/Client/Exception.php';
                 throw new Zend_Http_Client_Exception('Adapter does not support streaming');
             }
 
             // Open the connection, send the request and read the response
             $this->adapter->connect($uri->getHost(), $uri->getPort(),
                 ($uri->getScheme() == 'https' ? true : false));
 
             if($this->config['output_stream']) {
                 if($this->adapter instanceof Zend_Http_Client_Adapter_Stream) {
                     $stream = $this->_openTempStream();
                     $this->adapter->setOutputStream($stream);
                 } else {
                     /** @see Zend_Http_Client_Exception */
                     // require_once 'Zend/Http/Client/Exception.php';
                     throw new Zend_Http_Client_Exception('Adapter does not support streaming');
                 }
             }
 
             $this->last_request = $this->adapter->write($this->method,
                 $uri, $this->config['httpversion'], $headers, $body);
 
             $response = $this->adapter->read();
             if (! $response) {
                 /** @see Zend_Http_Client_Exception */
                 // require_once 'Zend/Http/Client/Exception.php';
                 throw new Zend_Http_Client_Exception('Unable to read response, or response is empty');
             }
 
             if($this->config['output_stream']) {
                 $streamMetaData = stream_get_meta_data($stream);
                 if ($streamMetaData['seekable']) {
                     rewind($stream);
                 }
                 // cleanup the adapter
                 $this->adapter->setOutputStream(null);
                 $response = Zend_Http_Response_Stream::fromStream($response, $stream);
                 $response->setStreamName($this->_stream_name);
                 if(!is_string($this->config['output_stream'])) {
                     // we used temp name, will need to clean up
                     $response->setCleanup(true);
                 }
             } else {
                 $response = Zend_Http_Response::fromString($response);
             }
 
             if ($this->config['storeresponse']) {
                 $this->last_response = $response;
             }
 
             // Load cookies into cookie jar
             if (isset($this->cookiejar)) {
                 $this->cookiejar->addCookiesFromResponse($response, $uri, $this->config['encodecookies']);
             }
 
             // If we got redirected, look for the Location header
             if ($response->isRedirect() && ($location = $response->getHeader('location'))) {
 
                 // Avoid problems with buggy servers that add whitespace at the
                 // end of some headers (See ZF-11283)
                 $location = trim($location);
 
                 // Check whether we send the exact same request again, or drop the parameters
                 // and send a GET request
                 if ($response->getStatus() == 303 ||
                    ((! $this->config['strictredirects']) && ($response->getStatus() == 302 ||
                        $response->getStatus() == 301))) {
 
                     $this->resetParameters();
                     $this->setMethod(self::GET);
                 }
 
                 // If we got a well formed absolute URI
                 if (($scheme = substr($location, 0, 6)) && ($scheme == 'http:/' || $scheme == 'https:')) {
                     $this->setHeaders('host', null);
                     $this->setUri($location);
 
                 } else {
 
                     // Split into path and query and set the query
                     if (strpos($location, '?') !== false) {
                         list($location, $query) = explode('?', $location, 2);
                     } else {
                         $query = '';
                     }
                     $this->uri->setQuery($query);
 
                     // Else, if we got just an absolute path, set it
                     if(strpos($location, '/') === 0) {
                         $this->uri->setPath($location);
 
                         // Else, assume we have a relative path
                     } else {
                         // Get the current path directory, removing any trailing slashes
                         $path = $this->uri->getPath();
                         $path = rtrim(substr($path, 0, strrpos($path, '/')), "/");
                         $this->uri->setPath($path . '/' . $location);
                     }
                 }
                 ++$this->redirectCounter;
 
             } else {
                 // If we didn't get any location, stop redirecting
                 break;
             }
 
         } while ($this->redirectCounter < $this->config['maxredirects']);
 
         return $response;
     }
 
     /**
      * Prepare the request headers
      *
      * @return array
      */
     protected function _prepareHeaders()
     {
         $headers = array();
 
         // Set the host header
         if (! isset($this->headers['host'])) {
             $host = $this->uri->getHost();
 
             // If the port is not default, add it
             if (! (($this->uri->getScheme() == 'http' && $this->uri->getPort() == 80) ||
                   ($this->uri->getScheme() == 'https' && $this->uri->getPort() == 443))) {
                 $host .= ':' . $this->uri->getPort();
             }
 
             $headers[] = "Host: {$host}";
         }
 
         // Set the connection header
         if (! isset($this->headers['connection'])) {
             if (! $this->config['keepalive']) {
                 $headers[] = "Connection: close";
             }
         }
 
         // Set the Accept-encoding header if not set - depending on whether
         // zlib is available or not.
         if (! isset($this->headers['accept-encoding'])) {
             if (function_exists('gzinflate')) {
                 $headers[] = 'Accept-encoding: gzip, deflate';
             } else {
                 $headers[] = 'Accept-encoding: identity';
             }
         }
 
         // Set the Content-Type header
         if (($this->method == self::POST || $this->method == self::PUT) &&
            (! isset($this->headers[strtolower(self::CONTENT_TYPE)]) && isset($this->enctype))) {
 
             $headers[] = self::CONTENT_TYPE . ': ' . $this->enctype;
         }
 
         // Set the user agent header
         if (! isset($this->headers['user-agent']) && isset($this->config['useragent'])) {
             $headers[] = "User-Agent: {$this->config['useragent']}";
         }
 
         // Set HTTP authentication if needed
         if (is_array($this->auth)) {
             $auth = self::encodeAuthHeader($this->auth['user'], $this->auth['password'], $this->auth['type']);
             $headers[] = "Authorization: {$auth}";
         }
 
         // Load cookies from cookie jar
         if (isset($this->cookiejar)) {
             $cookstr = $this->cookiejar->getMatchingCookies($this->uri,
                 true, Zend_Http_CookieJar::COOKIE_STRING_CONCAT);
 
             if ($cookstr) {
                 $headers[] = "Cookie: {$cookstr}";
             }
         }
 
         // Add all other user defined headers
         foreach ($this->headers as $header) {
             list($name, $value) = $header;
             if (is_array($value)) {
                 $value = implode(', ', $value);
             }
 
             $headers[] = "$name: $value";
         }
 
         return $headers;
     }
 
     /**
      * Prepare the request body (for POST and PUT requests)
      *
      * @return string
      * @throws Zend_Http_Client_Exception
      */
     protected function _prepareBody()
     {
         // According to RFC2616, a TRACE request should not have a body.
         if ($this->method == self::TRACE) {
             return '';
         }
 
         if (isset($this->raw_post_data) && is_resource($this->raw_post_data)) {
             return $this->raw_post_data;
         }
         // If mbstring overloads substr and strlen functions, we have to
         // override it's internal encoding
         if (function_exists('mb_internal_encoding') &&
            ((int) ini_get('mbstring.func_overload')) & 2) {
 
             $mbIntEnc = mb_internal_encoding();
             mb_internal_encoding('ASCII');
         }
 
         // If we have raw_post_data set, just use it as the body.
         if (isset($this->raw_post_data)) {
             $this->setHeaders(self::CONTENT_LENGTH, strlen($this->raw_post_data));
             if (isset($mbIntEnc)) {
                 mb_internal_encoding($mbIntEnc);
             }
 
             return $this->raw_post_data;
         }
 
         $body = '';
 
         // If we have files to upload, force enctype to multipart/form-data
         if (count ($this->files) > 0) {
             $this->setEncType(self::ENC_FORMDATA);
         }
 
         // If we have POST parameters or files, encode and add them to the body
         if (count($this->paramsPost) > 0 || count($this->files) > 0) {
             switch($this->enctype) {
                 case self::ENC_FORMDATA:
                     // Encode body as multipart/form-data
                     $boundary = '---ZENDHTTPCLIENT-' . md5(microtime());
                     $this->setHeaders(self::CONTENT_TYPE, self::ENC_FORMDATA . "; boundary={$boundary}");
 
                     // Encode all files and POST vars in the order they were given
                     foreach ($this->body_field_order as $fieldName=>$fieldType) {
                         switch ($fieldType) {
                             case self::VTYPE_FILE:
                                 foreach ($this->files as $file) {
                                     if ($file['formname']===$fieldName) {
                                         $fhead = array(self::CONTENT_TYPE => $file['ctype']);
                                         $body .= self::encodeFormData($boundary, $file['formname'], $file['data'], $file['filename'], $fhead);
                                     }
                                 }
                                 break;
                             case self::VTYPE_SCALAR:
                                 if (isset($this->paramsPost[$fieldName])) {
                                     if (is_array($this->paramsPost[$fieldName])) {
                                         $flattened = self::_flattenParametersArray($this->paramsPost[$fieldName], $fieldName);
                                         foreach ($flattened as $pp) {
                                             $body .= self::encodeFormData($boundary, $pp[0], $pp[1]);
                                         }
                                     } else {
                                         $body .= self::encodeFormData($boundary, $fieldName, $this->paramsPost[$fieldName]);
                                     }
                                 }
                                 break;
                         }
                     }
 
                     $body .= "--{$boundary}--\r\n";
                     break;
 
                 case self::ENC_URLENCODED:
                     // Encode body as application/x-www-form-urlencoded
                     $this->setHeaders(self::CONTENT_TYPE, self::ENC_URLENCODED);
                     $body = http_build_query($this->paramsPost, '', '&');
                     break;
 
                 default:
                     if (isset($mbIntEnc)) {
                         mb_internal_encoding($mbIntEnc);
                     }
 
                     /** @see Zend_Http_Client_Exception */
                     // require_once 'Zend/Http/Client/Exception.php';
                     throw new Zend_Http_Client_Exception("Cannot handle content type '{$this->enctype}' automatically." .
                         " Please use Zend_Http_Client::setRawData to send this kind of content.");
                     break;
             }
         }
 
         // Set the Content-Length if we have a body or if request is POST/PUT
         if ($body || $this->method == self::POST || $this->method == self::PUT) {
             $this->setHeaders(self::CONTENT_LENGTH, strlen($body));
         }
 
         if (isset($mbIntEnc)) {
             mb_internal_encoding($mbIntEnc);
         }
 
         return $body;
     }
 
     /**
      * Helper method that gets a possibly multi-level parameters array (get or
      * post) and flattens it.
      *
      * The method returns an array of (key, value) pairs (because keys are not
      * necessarily unique. If one of the parameters in as array, it will also
      * add a [] suffix to the key.
      *
      * This method is deprecated since Zend Framework 1.9 in favour of
      * self::_flattenParametersArray() and will be dropped in 2.0
      *
      * @deprecated since 1.9
      *
      * @param  array $parray    The parameters array
      * @param  bool  $urlencode Whether to urlencode the name and value
      * @return array
      */
     protected function _getParametersRecursive($parray, $urlencode = false)
     {
         // Issue a deprecated notice
         trigger_error("The " .  __METHOD__ . " method is deprecated and will be dropped in 2.0.",
             E_USER_NOTICE);
 
         if (! is_array($parray)) {
             return $parray;
         }
         $parameters = array();
 
         foreach ($parray as $name => $value) {
             if ($urlencode) {
                 $name = urlencode($name);
             }
 
             // If $value is an array, iterate over it
             if (is_array($value)) {
                 $name .= ($urlencode ? '%5B%5D' : '[]');
                 foreach ($value as $subval) {
                     if ($urlencode) {
                         $subval = urlencode($subval);
                     }
                     $parameters[] = array($name, $subval);
                 }
             } else {
                 if ($urlencode) {
                     $value = urlencode($value);
                 }
                 $parameters[] = array($name, $value);
             }
         }
 
         return $parameters;
     }
 
     /**
      * Attempt to detect the MIME type of a file using available extensions
      *
      * This method will try to detect the MIME type of a file. If the fileinfo
      * extension is available, it will be used. If not, the mime_magic
      * extension which is deprected but is still available in many PHP setups
      * will be tried.
      *
      * If neither extension is available, the default application/octet-stream
      * MIME type will be returned
      *
      * @param  string $file File path
      * @return string       MIME type
      */
     protected function _detectFileMimeType($file)
     {
         $type = null;
 
         // First try with fileinfo functions
         if (function_exists('finfo_open')) {
             if (self::$_fileInfoDb === null) {
                 self::$_fileInfoDb = @finfo_open(FILEINFO_MIME);
             }
 
             if (self::$_fileInfoDb) {
                 $type = finfo_file(self::$_fileInfoDb, $file);
             }
 
         } elseif (function_exists('mime_content_type')) {
             $type = mime_content_type($file);
         }
 
         // Fallback to the default application/octet-stream
         if (! $type) {
             $type = 'application/octet-stream';
         }
 
         return $type;
     }
 
     /**
      * Encode data to a multipart/form-data part suitable for a POST request.
      *
      * @param string $boundary
      * @param string $name
      * @param mixed $value
      * @param string $filename
      * @param array $headers Associative array of optional headers @example ("Content-Transfer-Encoding" => "binary")
      * @return string
      */
     public static function encodeFormData($boundary, $name, $value, $filename = null, $headers = array())
     {
         $ret = "--{$boundary}\r\n" .
             'Content-Disposition: form-data; name="' . $name .'"';
 
         if ($filename) {
             $ret .= '; filename="' . $filename . '"';
         }
         $ret .= "\r\n";
 
         foreach ($headers as $hname => $hvalue) {
             $ret .= "{$hname}: {$hvalue}\r\n";
         }
         $ret .= "\r\n";
 
         $ret .= "{$value}\r\n";
 
         return $ret;
     }
 
     /**
      * Create a HTTP authentication "Authorization:" header according to the
      * specified user, password and authentication method.
      *
      * @see http://www.faqs.org/rfcs/rfc2617.html
      * @param string $user
      * @param string $password
      * @param string $type
      * @return string
      * @throws Zend_Http_Client_Exception
      */
     public static function encodeAuthHeader($user, $password, $type = self::AUTH_BASIC)
     {
         $authHeader = null;
 
         switch ($type) {
             case self::AUTH_BASIC:
                 // In basic authentication, the user name cannot contain ":"
                 if (strpos($user, ':') !== false) {
                     /** @see Zend_Http_Client_Exception */
                     // require_once 'Zend/Http/Client/Exception.php';
                     throw new Zend_Http_Client_Exception("The user name cannot contain ':' in 'Basic' HTTP authentication");
                 }
 
                 $authHeader = 'Basic ' . base64_encode($user . ':' . $password);
                 break;
 
             //case self::AUTH_DIGEST:
                 /**
                  * @todo Implement digest authentication
                  */
             //    break;
 
             default:
                 /** @see Zend_Http_Client_Exception */
                 // require_once 'Zend/Http/Client/Exception.php';
                 throw new Zend_Http_Client_Exception("Not a supported HTTP authentication type: '$type'");
         }
 
         return $authHeader;
     }
 
     /**
      * Convert an array of parameters into a flat array of (key, value) pairs
      *
      * Will flatten a potentially multi-dimentional array of parameters (such
      * as POST parameters) into a flat array of (key, value) paris. In case
      * of multi-dimentional arrays, square brackets ([]) will be added to the
      * key to indicate an array.
      *
      * @since  1.9
      *
      * @param  array  $parray
      * @param  string $prefix
      * @return array
      */
     protected static function _flattenParametersArray($parray, $prefix = null)
     {
         if (! is_array($parray)) {
             return $parray;
         }
 
         $parameters = array();
 
         foreach($parray as $name => $value) {
 
             // Calculate array key
             if ($prefix) {
                 if (is_int($name)) {
                     $key = $prefix . '[]';
                 } else {
                     $key = $prefix . "[$name]";
                 }
             } else {
                 $key = $name;
             }
 
             if (is_array($value)) {
                 $parameters = array_merge($parameters, self::_flattenParametersArray($value, $key));
 
             } else {
                 $parameters[] = array($key, $value);
             }
         }
 
         return $parameters;
     }
 
     /**
      * Ensure a header value is valid per RFC 7230.
      *
      * @see http://tools.ietf.org/html/rfc7230#section-3.2
      * @param string|object|array $value
      * @param bool $recurse
      */
     protected function _validateHeaderValue($value, $recurse = true)
     {
         if (is_array($value) && $recurse) {
             foreach ($value as $v) {
                 $this->_validateHeaderValue($v, false);
             }
             return;
         }
 
         // Cast integers and floats to strings for purposes of header representation.
         if (is_int($value) || is_float($value)) {
             $value = (string) $value;
         }
 
         if (! is_string($value) && (! is_object($value) || ! method_exists($value, '__toString'))) {
             // require_once 'Zend/Http/Exception.php';
             throw new Zend_Http_Exception('Invalid header value detected');
         }
 
         Zend_Http_Header_HeaderValue::assertValid($value);
     }
 }