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<?php
// Copyright Atiti, 2011
// Version 0.1-2
// Where are we at?
$SERVICEURL = "http://powerfulproxy.com/do_it.php/";
// Do da request
function get_url($url, $data) {
if (!$url) {
echo "Invalid use!";
die;
}
$options = array(
CURLOPT_RETURNTRANSFER => true, // return web page
CURLOPT_HEADER => false, // don't return headers
CURLOPT_FOLLOWLOCATION => true, // follow redirects
CURLOPT_ENCODING => "", // handle all encodings
CURLOPT_USERAGENT => "AnoNet proxy", // who am i
CURLOPT_AUTOREFERER => true, // set referer on redirect
CURLOPT_CONNECTTIMEOUT => 15, // timeout on connect
CURLOPT_TIMEOUT => 28, // timeout on response
CURLOPT_MAXREDIRS => 10, // stop after 10 redirects
CURLOPT_FAILONERROR => true,
// CURLOPT_PROXY => "http://b.polipo.srn.ano:8000/",
);
$ch = curl_init ($url);
curl_setopt_array( $ch, $options );
$fields_string = "";
if (count($data)) {
foreach($data as $key=>$value) { $fields_string .= $key.'='.$value.'&'; }
rtrim($fields_string,'&');
curl_setopt($ch, CURLOPT_POST, count($data));
curl_setopt($ch, CURLOPT_POSTFIELDS, $fields_string);
}
$ret = curl_exec ($ch);
if ($error = curl_error($ch))
echo 'ERROR: ',$error;
$info = curl_getinfo($ch);
return array("data"=>$ret,"info"=>$info);
}
// Rewrite relative paths
function rewriteRelative($html, $base) {
$server = preg_replace('@^([^\:]*)://([^/*]*)(/|$).*@', '\1://\2/', $base);
$html = preg_replace('@\<([^>]*) (href|src)="/([^"]*)"@i', '<\1 \2="' . $server . '\3"', $html);
$html = preg_replace('@\<([^>]*) (href|src)="(([^\:"])*|([^"]*:[^/"].*))"@i', '<\1 \2="' . $base . '\3"', $html);
return $html;
}
if (isset($_SERVER["PATH_INFO"]))
$p = $_SERVER["PATH_INFO"];
if (isset($_SERVER["QUERY_STRING"]))
$q = $_SERVER["QUERY_STRING"];
$postdata = $_POST;
$pall = explode("/", $p);
if (count($pall) <= 1) {
echo "Wrong host format? or smtg.";
die;
}
$proto = $pall[1];
$host = $pall[2];
unset($pall[0]);
unset($pall[1]);
unset($pall[2]);
$path = implode("/", $pall);
// Figure out relative paths
$pi = pathinfo($path);
if ($pi) {
$rp = @$pi["dirname"];
} else
$rp = "";
if (!$rp)
$rp = $path;
// Construct request url
$geturl = $proto."://".$host."/".$path;
if ($q)
$geturl .= "?".$q; // Append query string
$d = get_url($geturl, $postdata);
$data = $d["data"];
$ct = $d["info"]["content_type"];
$ct_s = explode(";", $ct);
$found = false;
$match_ct = array("text/html", "text/xml", "text/plain");
foreach($match_ct as $m) {
if ($ct_s[0] == $m)
$found = true;
}
if ($found) { // Only rewrite for proper content
$ret = rewriteRelative($data, $proto."://".$host."/".$rp."/");
$ret = preg_replace('@(https?://([-\w\.]+)+(:\d+)?(/([\w/_\.]*(\?\S+)?)?)?)@', $SERVICEURL.str_replace("http://", "http/", "$1"), $ret);
$ret = str_replace(".php/http://", ".php/http/", $ret);
$ret = str_replace(".php/https://", ".php/https/", $ret);
$ret = str_replace("../", "", $ret);
$items = Array("/src='\/(.*)'/", "/src=\"\/(.*)\"/", "/href='\/(.*)'/", "/href=\"\/(.*)\"/");
$ret = preg_replace($items, "src='".$SERVICEURL.$proto."/".$host."/$1'", $ret);
$ret = preg_replace("/action=\"\/\"/i", "action=\"".$SERVICEURL.$proto."/".$host."/\"", $ret);
} else
$ret = "";
// Output da shit
header("Content-Type: ".$ct);
if (strlen($ret) == 0)
echo $data;
else
echo $ret;
?>
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