PHP Classes
Icontem

File: proxy.php


  Search   All class groups All class groups   Latest entries Latest entries   Top 10 charts Top 10 charts   Newsletter Newsletter   Blog Blog   Forums Forums   Help FAQ Help FAQ  
  Login   Register  
Recommend this page to a friend! ReTweet ReTweet Stumble It! Stumble It! Bookmark in del.icio.us Bookmark in del.icio.us
  Classes of Andrey Nikishaev  >  Little PHP Proxy  >  proxy.php  
File: proxy.php
Role: Application script
Content type: text/plain
Description: php proxy
Class: Little PHP Proxy
Show remote pages as if they from the current site
 

Contents

Class file image Download
<?php
/*

  Little PHP Proxy V1.0701

*/
class little_php_proxy {
       var 
$DOMAIN;
       var 
$POSTURL;
       var 
$PURL=array();
       var 
$RESPONSE=array();

       
public function __construct() {
             
define(HOST,$_SERVER['SERVER_NAME'].$_SERVER['PHP_SELF']);
       }

       
public function close() {
               
unlink(session_id());session_destroy();header('Location: /');
       }

       
public function query($U,$POST,$GET,$FILES,$COOKIE='') {


            if(
count($POST)) {

                foreach(
$POST as $key => $value) {
                if(
$key!='u' && $key!='c'$POSTVARS.=$key."=".$value."&";
                }
                if(
$POSTVARS$posted=1;
            }

            if(
count($FILES)) {
                
$files=1;
                foreach(
$FILES as $key => $value) {
                
$POSTVARS.=$key."=@".$value['tmp_name']."&";
                }
            }

            
$POSTVARS=$POSTVARS?substr($POSTVARS,0,-1):'';

            
$U=urldecode($U);
            if(!
eregi('[.]+',$U)) $U=base64_decode($U);
            if(!
eregi('^(http|ftp|https)',$U)) $U='http://'.$U;
            
$this->POSTURL=$U;
            foreach(
$GET as $k=>$v) {
            if(
$k!='u' && $k!='c'$this->POSTURL.='&'.$k.'='.$v;
            }
            
$this->PURL=parse_url($U);
            
$this->DOMAIN=$this->PURL['host'].$this->PURL['path'];
            if(
ereg('.',$this->PURL['path'])) $this->DOMAIN=ereg_replace('/[^\/]*$','',$this->DOMAIN);
             
define(PHOST,$this->PURL['host']);
             
define(DOMAIN,$this->DOMAIN);
             
$ch curl_init($this->POSTURL);
             if(
$postedcurl_setopt($chCURLOPT_POST,                                                0);
                           
curl_setopt($chCURLOPT_VERBOSE,                                          0);
                         
curl_setopt($chCURLOPT_USERAGENT,                      $_SERVER['user-agent']);
             if(
$postedcurl_setopt($chCURLOPT_POSTFIELDS,                                $POSTVARS);
             if(
$files)  curl_setopt($chCURLOPT_UPLOAD,                                            1);
                         
curl_setopt($chCURLOPT_FOLLOWLOCATION,                                    1);
                         
curl_setopt($chCURLOPT_BINARYTRANSFER,                                     1);
                         
curl_setopt($chCURLOPT_SSL_VERIFYPEER,                                     0);
                         
curl_setopt($chCURLOPT_SSL_VERIFYHOST,                                     0);
                         
curl_setopt($chCURLOPT_REFERER,                               "http://".$this->DOMAIN);
                         
curl_setopt($chCURLOPT_CONNECTTIMEOUT,                                     0);
                         
curl_setopt($chCURLOPT_AUTOREFERER,                                        0);
                         
curl_setopt($chCURLOPT_COOKIEJAR,                       'ses_'.session_id());
                         
curl_setopt($chCURLOPT_COOKIEFILE,                       'ses_'.session_id());
                         if(
strlen($COOKIE)>0curl_setopt($chCURLOPT_COOKIE,          $COOKIE);
                         
curl_setopt($chCURLOPT_RETURNTRANSFER,                                    1);
                         
curl_setopt($chCURLOPT_FAILONERROR,                                      1);


             
$this->CONTENT curl_exec($ch);
             
$this->RESPONSE=curl_getinfo($ch);
             
curl_close($ch);
       }

       
public function getPage() {
                if(
ereg('html',$this->RESPONSE['content_type'])) {
                     
$this->get_html();
                     
$this->get_css();
             } elseif (
ereg('image',$this->RESPONSE['content_type'])){
                    
$this->get_image();
             } elseif (
ereg('javascript',$this->RESPONSE['content_type'])){
                    
$this->get_javascript();
             } elseif (
ereg('css',$this->RESPONSE['content_type'])){
                    
$this->get_css();
             } else {
                    
$this->get_file();
             }
             
header("Content-Type: ".$this->RESPONSE['content_type']);
             if(
eregi('image/([a-z]+)',$this->RESPONSE['content_type'],$type)) {
                  
$newImg imagecreatefromstring($this->CONTENT);
                 if(
$type[1]="jpeg")imagejpeg($newImg,'',100);
                 if(
$type[1]="png")imagegif($newImg,'',100);
                 if(
$type[1]="gif")imagepng($newImg,'',100);
             } else {
                 echo 
$this->CONTENT;
             }
       }

       
public function get_file() {

       }

       
public function get_image() {

       }

       
public function get_javascript() {
            
$patern=array(
            
'/([\"]+)([^\"\s]*)([\"]+)/i',
            
'/([\']+)([^\'\s]*)([\']+)/i'
             
);
            function 
replace_js($m) {
                  
$d='';
                  if(
eregi('^\/',$m[2])) {
                          
$d='http://'.PHOST;$ok=1;
                  } else {
                            if(!
eregi('^(htt|ftp)',$m[2]) && eregi('/',$m[2])) {$d='http://'.DOMAIN.'/';$ok=1;}
                  }
                  if(
$ok) {
                          return 
$m[1].'http://'.HOST.'?u='.base64_encode($d.$m[2]).$m[1];
                  } else {
                        return 
$m[1].$m[2].$m[1];
                  }

             }
            
$this->CONTENT=preg_replace_callback($patern,"replace_js",$this->CONTENT);
       }

       
public function get_css() {
              
$patern=array(
              
'/url\([\s]*[\'\"\`]?([^\)\s\'\"\`]+)[\'\"\`]?[\s]*\)/i'
              
);
              function 
replace_css($m) {
                  
$d='';
                  if(
eregi('^\/',$m[1])) {
                          
$d='http://'.PHOST;$ok=1;
                  } else {
                            if(!
eregi('^(htt|ftp)',$m[1])) {
                            
$d='http://'.DOMAIN.'/';$ok=1;
                        } else {
                            
$ok=1;
                        }
                  }

              if(
$ok) {
                      return 
'url(http://'.HOST.'?u='.base64_encode($d.$m[1]).')';
              }


             }
            
$this->CONTENT=preg_replace_callback($patern,"replace_css",$this->CONTENT);
       }

       
public function get_html() {
               
$patern=array(
            
'/[\s]+(src|href|url|location|background|action)[\s]*=[\s]*([\'\"\`])?[\s]*([^\'\"\`\s>]+)([\'\"\`>])?/i',
            
'/([\"]+)(\/[^\"\s]*)([\"]+)/i',
            
'/([\']+)(\/[^\'\s]*)([\']+)/i'
             
);
             function 
replace_html($m) {
              
$d='';
            if(
$m[1]=='"' || $m[1]=="'") {
            if(
eregi('^\/',$m[2])) {
                  
$d='http://'.PHOST;$ok=1;
              } else {
                    if(!
eregi('^(htt|ftp)',$m[2]) && eregi('/',$m[2])) {$d='http://'.DOMAIN.'/';$ok=1;}
              }
             if(
$ok) {return $m[1].'http://'.HOST.'?u='.base64_encode($d.$m[2]).$m[1];}
                else {
                    return 
$m[1].$m[2].$m[1];
            }

            } else {
              if(
$m[4]=='>'$e=">";
              if(
eregi('^\/',$m[3])) {
                  
$d='http://'.PHOST;
             } else {
                    if(!
eregi('^(htt|ftp)',$m[3])) $d='http://'.DOMAIN.'/';
              }
            if(!
ereg('^java',$m[3])) {
                    return 
' '.$m[1].'="http://'.HOST.'?u='.base64_encode($d.$m[3]).'"'.$e;
            } else {
                    return 
' '.$m[1].'="'.$m[3].'"';
            }
            }
             }
             
$this->CONTENT=preg_replace_callback($patern,'replace_html',$this->CONTENT);
       }


session_start();
    
        
$P=new little_php_proxy();
        
$P->query($_REQUEST['u'],$_POST,$_GET,$_FILES,$_POST['c']);
        
$P->getPage();






?>

 
  Advertise on this site Advertise on this site   Site map Site map   Statistics Statistics   Site tips Site tips   Privacy policy Privacy policy   Contact Contact  

For more information send a message to :
info at phpclasses dot org.
Copyright (c) Icontem 1999-2009 PHP Classes - PHP Class Scripts
  PHP Book Reviews - Reviews of books and other products