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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 // Heavily modified by Ivo <Ivo@UCIS.nl> |
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5 |
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6 if (!isset($_SERVER['PATH_INFO'])) die('PATH_INFO is not set'); |
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7 $pall = explode("/", $_SERVER['PATH_INFO']); |
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8 if (count($pall) <= 1) die('Unexpected path format'); |
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9 array_shift($pall); |
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10 $proto = array_shift($pall); |
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11 $host = array_shift($pall); |
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12 $hostparts = explode('.', $host); |
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13 if (long2ip(ip2long($host))===$host) { |
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14 if ($hostparts[0]!='1') die('Bad IP'); |
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15 } elseif (!preg_match("/ano|ntwrk$/",array_pop($hostparts))) die('Bad host'); |
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16 $path = implode('/', $pall); |
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17 array_pop($pall); |
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18 $rp = implode('/', $pall); |
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19 |
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20 /* CONFIGURATION */ |
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21 $SERVICEURL = "http://powerfulproxy.com/do_it.php/"; |
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22 |
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23 $REWRITE_CONTENT_TYPES = array('text/html', 'text/xml', 'text/plain'); |
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24 $REWRITE_PATTERNS = array( |
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25 /* Rewrite complete http/https URLs, enable one of the tree, and no more! */ |
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26 // '@(https?)://(([-\w\.]+)+(:\d+)?(/([\w/_\.]*(\?\S+)?)?)?)@i' => $SERVICEURL.'$1/$2', |
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27 // '@(src|href|action)\s*=\s*(\'|")(https?)://([^\'"]*)\2@i' => '$1=$2'.$SERVICEURL.'$3/$4$2', |
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28 '@(<[^>]*)(src|href|action)\s*=\s*(\'|")(https?)://([^\'"]*)\3@i' => '$1$2=$3'.$SERVICEURL.'$4/$5$3', |
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29 /* Rewrite URLs relative to site root, enable one of the tree, and no more! */ |
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30 // '@(src|href|action)\s*=\s*(\'|")/([^\'"]*)\2@i' => '$1=$2'.$SERVICEURL.$proto.'/'.$host.'/$3$2', |
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31 '@(<[^>]*)(src|href|action)\s*=\s*(\'|")/([^\'"]*)\3@i' => '$1$2=$3'.$SERVICEURL.$proto.'/'.$host.'/$4$3', |
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32 ); |
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33 $CURL_OPTIONS = array( |
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34 CURLOPT_USERAGENT => "AnoNet proxy", |
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35 CURLOPT_AUTOREFERER => TRUE, |
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36 CURLOPT_CONNECTTIMEOUT => 15, |
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37 CURLOPT_TIMEOUT => 28, |
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38 CURLOPT_MAXREDIRS => 10, |
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39 CURLOPT_FAILONERROR => FALSE, |
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40 CURLOPT_HEADER => 1, |
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41 CURLOPT_FOLLOWLOCATION => FALSE, |
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42 // CURLOPT_INTERFACE => '0.0.0.0', |
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43 // CURLOPT_PROXY => "http://b.polipo.srn.ano:8000/", |
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44 // CURLOPT_PROXYUSERPWD => 'username:password', |
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45 ); |
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46 /* END OF CONFIGURATION */ |
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47 |
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48 $url = $proto."://".$host."/".$path; |
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49 if (isset($_SERVER['QUERY_STRING']) && strlen($_SERVER['QUERY_STRING'])) $url .= "?".$_SERVER['QUERY_STRING']; |
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50 $ch = curl_init($url); |
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51 curl_setopt_array($ch, $CURL_OPTIONS); |
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52 curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); |
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53 //curl_setopt($ch, CURLOPT_HEADER, FALSE); |
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54 if (count($_POST)) { |
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55 curl_setopt($ch, CURLOPT_POST, TRUE); |
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56 curl_setopt($ch, CURLOPT_POSTFIELDS, $_POST); |
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57 } |
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58 $response = curl_exec($ch); |
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59 list($header, $data) = explode("\r\n\r\n", $response, 2); |
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60 if ($error = curl_error($ch)) die('CURL ERROR: '.$error); |
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61 $info = curl_getinfo($ch); |
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62 |
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63 header('Status: '.$info['http_code']); |
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64 header('Content-Type: '.$info['content_type']); |
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65 |
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66 $redirurl = ""; |
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67 if ($info['http_code'] === 301) { |
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68 $headers = explode("\r\n", $header); |
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69 foreach($headers as $h) { |
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70 $cur_header = explode(": ", $h); |
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71 if ($cur_header[0] == "Location") { |
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72 $redirurl = preg_replace('@(https?://([-\w\.]+)+(:\d+)?(/([\w/_\.]*(\?\S+)?)?)?)@', $SERVICEURL.str_replace("http://", "http/", "$1"), $cur_header[1]); |
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73 $redirurl = str_replace(".php/http://", ".php/http/", $redirurl); |
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74 header('Location: '.$redirurl); |
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75 } |
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76 } |
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77 } else { |
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78 if (in_array(strtok($info['content_type'], ';'), $REWRITE_CONTENT_TYPES)) $data = preg_replace(array_keys($REWRITE_PATTERNS), array_values($REWRITE_PATTERNS), $data, -1, $count); |
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79 } |
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80 |
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81 header('Content-Length: '.strlen($data)); |
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82 echo $data; |
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83 ?> |
