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1 <?php |
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2 // Copyright Atiti, 2011 |
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3 // Version 0.1-2 |
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4 |
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5 // Where are we at? |
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6 $SERVICEURL = "http://powerfulproxy.com/do_it.php/"; |
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7 // Do da request |
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8 function get_url($url, $data) { |
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9 if (!$url) { |
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10 echo "Invalid use!"; |
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11 die; |
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12 } |
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13 $options = array( |
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14 CURLOPT_RETURNTRANSFER => true, // return web page |
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15 CURLOPT_HEADER => false, // don't return headers |
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16 CURLOPT_FOLLOWLOCATION => true, // follow redirects |
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17 CURLOPT_ENCODING => "", // handle all encodings |
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18 CURLOPT_USERAGENT => "AnoNet proxy", // who am i |
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19 CURLOPT_AUTOREFERER => true, // set referer on redirect |
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20 CURLOPT_CONNECTTIMEOUT => 15, // timeout on connect |
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21 CURLOPT_TIMEOUT => 28, // timeout on response |
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22 CURLOPT_MAXREDIRS => 10, // stop after 10 redirects |
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23 CURLOPT_FAILONERROR => true, |
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24 // CURLOPT_PROXY => "http://b.polipo.srn.ano:8000/", |
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25 ); |
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26 $ch = curl_init ($url); |
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27 curl_setopt_array( $ch, $options ); |
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28 $fields_string = ""; |
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29 if (count($data)) { |
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30 foreach($data as $key=>$value) { $fields_string .= $key.'='.$value.'&'; } |
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31 rtrim($fields_string,'&'); |
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32 curl_setopt($ch, CURLOPT_POST, count($data)); |
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33 curl_setopt($ch, CURLOPT_POSTFIELDS, $fields_string); |
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34 } |
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35 $ret = curl_exec ($ch); |
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36 if ($error = curl_error($ch)) |
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37 echo 'ERROR: ',$error; |
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38 $info = curl_getinfo($ch); |
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39 return array("data"=>$ret,"info"=>$info); |
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40 } |
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41 // Rewrite relative paths |
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42 function rewriteRelative($html, $base) { |
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43 $server = preg_replace('@^([^\:]*)://([^/*]*)(/|$).*@', '\1://\2/', $base); |
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44 $html = preg_replace('@\<([^>]*) (href|src)="/([^"]*)"@i', '<\1 \2="' . $server . '\3"', $html); |
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45 $html = preg_replace('@\<([^>]*) (href|src)="(([^\:"])*|([^"]*:[^/"].*))"@i', '<\1 \2="' . $base . '\3"', $html); |
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46 return $html; |
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47 } |
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48 if (isset($_SERVER["PATH_INFO"])) |
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49 $p = $_SERVER["PATH_INFO"]; |
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50 if (isset($_SERVER["QUERY_STRING"])) |
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51 $q = $_SERVER["QUERY_STRING"]; |
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52 $postdata = $_POST; |
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53 $pall = explode("/", $p); |
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54 if (count($pall) <= 1) { |
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55 echo "Wrong host format? or smtg."; |
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56 die; |
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57 } |
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58 $proto = $pall[1]; |
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59 $host = $pall[2]; |
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60 unset($pall[0]); |
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61 unset($pall[1]); |
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62 unset($pall[2]); |
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63 $path = implode("/", $pall); |
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64 // Figure out relative paths |
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65 $pi = pathinfo($path); |
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66 if ($pi) { |
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67 $rp = @$pi["dirname"]; |
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68 } else |
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69 $rp = ""; |
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70 if (!$rp) |
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71 $rp = $path; |
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72 // Construct request url |
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73 $geturl = $proto."://".$host."/".$path; |
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74 if ($q) |
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75 $geturl .= "?".$q; // Append query string |
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76 |
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77 $d = get_url($geturl, $postdata); |
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78 $data = $d["data"]; |
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79 $ct = $d["info"]["content_type"]; |
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80 $ct_s = explode(";", $ct); |
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81 $found = false; |
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82 $match_ct = array("text/html", "text/xml", "text/plain"); |
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83 foreach($match_ct as $m) { |
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84 if ($ct_s[0] == $m) |
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85 $found = true; |
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86 } |
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87 if ($found) { // Only rewrite for proper content |
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88 $ret = rewriteRelative($data, $proto."://".$host."/".$rp."/"); |
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89 $ret = preg_replace('@(https?://([-\w\.]+)+(:\d+)?(/([\w/_\.]*(\?\S+)?)?)?)@', $SERVICEURL.str_replace("http://", "http/", "$1"), $ret); |
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90 $ret = str_replace(".php/http://", ".php/http/", $ret); |
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91 $ret = str_replace(".php/https://", ".php/https/", $ret); |
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92 |
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93 $ret = str_replace("../", "", $ret); |
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94 $items = Array("/src='\/(.*)'/", "/src=\"\/(.*)\"/", "/href='\/(.*)'/", "/href=\"\/(.*)\"/"); |
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95 $ret = preg_replace($items, "src='".$SERVICEURL.$proto."/".$host."/$1'", $ret); |
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96 $ret = preg_replace("/action=\"\/\"/i", "action=\"".$SERVICEURL.$proto."/".$host."/\"", $ret); |
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97 |
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98 } else |
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99 $ret = ""; |
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100 // Output da shit |
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101 header("Content-Type: ".$ct); |
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102 if (strlen($ret) == 0) |
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103 echo $data; |
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104 else |
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105 echo $ret; |
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106 |
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107 ?> |
