<?php
 #############################################################################
 # IMDBPHP                              (c) Giorgos Giagas & Itzchak Rehberg #
 # written by Giorgos Giagas                                                 #
 # extended & maintained by Itzchak Rehberg <izzysoft AT qumran DOT org>     #
 # http://www.izzysoft.de/                                                   #
 # ------------------------------------------------------------------------- #
 # This program is free software; you can redistribute and/or modify it      #
 # under the terms of the GNU General Public License (see doc/LICENSE)       #
 #############################################################################

 /* $Id: mdb_request.class.php 429 2010-12-01 16:20:49Z izzy $ */

if ( isset($PEAR) && $PEAR ) { // Use the HTTP_Request class from the PEAR project.
  require_once("HTTP/Request.php");
  class MDB_Request extends HTTP_Request{
    function __construct($url){
      $this->HTTP_Request($url);
      if ( PROXY != ""){
        $this->setProxy(PROXY, PROXY_PORT);
      }
      $this->_allowRedirects = false;
      if ( in_array('HTTP_USER_AGENT',array_keys($_SERVER)) ) $user_agent = $_SERVER['HTTP_USER_AGENT'];
      else $user_agent = 'Mozilla/5.0 (X11; U; Linux i686; de; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3';
      $this->addHeader("User-Agent", $user_agent);
    }
    function getLastResponseHeaders($url) {
      $head = $this->head($url);
      return array($head["response"],$head["Date"],$head["Server"],"",$head["Connection"],$head["Content-Type"]);
    }
  }
} else { // Use the browseremu class
  require_once (dirname(__FILE__)."/browseremulator.class.php");
  if (defined('IMDBPHP_CONFIG')) require_once (IMDBPHP_CONFIG);
  else require_once (dirname(__FILE__)."/mdb_config.class.php");

  /** The request class
   *  Here we emulate a browser accessing the IMDB site. You don't need to
   *  call any of its method directly - they are rather used by the IMDB classes.
   * @package MDBApi
   * @class MDB_Request
   */
  class MDB_Request extends BrowserEmulator{
    var $maxsize = 100000;
    /** Constructor: Initialize the BrowserEmulator
     *  No need to call this.
     * @constructor MDB_Request
     * @param string url URL to open
     * @param optional string force_agent user agent string to use. Defaults to the one set in mdb_config.
     * @param optional string trigger_referer whether to trigger the referer. 'TRUE' = yes, 'FALSE' = no, '' = take value from mdb_config (default)
     */
    function __construct($url,$force_agent='',$trigger_referer=''){
      if (isset($GLOBALS['PEAR']) && $GLOBALS['PEAR']) parent::__construct();
      else $this->BrowserEmulator();
      $this->urltoopen = $url;
      $iconf = new mdb_config;
      if (!empty($force_agent)) $iconf->force_agent = $force_agent;
      if ($trigger_referer !== '' && is_bool($trigger_referer)) {
        $iconf->trigger_referer = $trigger_referer;
      } else {
        switch (strtolower($trigger_referer)) {
          case 'true' : $iconf->trigger_referer = TRUE; break;
          case 'false': $iconf->trigger_referer = FALSE; break;
        }
      }
      if ($iconf->trigger_referer) {
        if ( substr(get_class($this),0,4)=="imdb" ) $this->addHeaderLine('Referer','http://' . $this->imdbsite . '/');
        elseif ( in_array('HTTP_REFERER',array_keys($_SERVER)) ) $this->addHeaderLine('Referer',$_SERVER['HTTP_REFERER']);
      }
      if ($iconf->force_agent) $this->addHeaderLine('User-Agent', $iconf->force_agent);
    }
    /** Send a request to the movie site
     * @method sendRequest
     * @return boolean success
     */
    function sendRequest(){
      $this->fpopened = $this->fopen($this->urltoopen);
      if ($this->fpopened!==false) return true;
      return false;
    }
    /** Get the Response body
     * @method getResponseBody
     * @return string page
     */
    function getResponseBody(){
      $page = "";
      if ($this->fpopened===FALSE) return $page;
      while (!feof ($this->fpopened)) {
        $page .= fread ($this->fpopened, 1024);
      }
      return $page;
    }
    /** Set the URL we need to parse
     * @method setURL
     */
    function setURL($url){
      $this->urltoopen = $url;
    }
    /** Obtain the response header
     * @method getresponseheader
     * @param optional string header
     * @return string header
     */
    function getresponseheader($header = false){
      $headers = $this->getLastResponseHeaders();
      foreach ($headers as $head){
        if ( is_integer(strpos ($head, $header) )){
          $hstart = strpos ($head, ": ");
          $head = trim(substr($head,$hstart+2,100));
          return $head;
        }
      }
    }
  }
}

?>