define(‘REMOTE_PROTOCOL’, ‘https’);
define(‘REMOTE_HOST’, ‘secure.itelecomwholesale.com.au’);
define(‘REMOTE_PORT’, ’443′);
define(‘REMOTE_BASE’, ‘/cerb’); // NO trailing slash!
define(‘REMOTE_URI’, ‘/portal/a83e0a70′); // NO trailing slash!
/*
* ====================================================================
* [JAS]: Don’t modify the following unless you know what you’re doing!
* ====================================================================
*/
define(‘URL_REWRITE’, file_exists(‘.htaccess’));
define(‘LOCAL_HOST’, $_SERVER['HTTP_HOST']);
define(‘LOCAL_BASE’, DevblocksRouter::getLocalBase()); // NO trailing slash!
define(‘SCRIPT_LAST_MODIFY’, 2011012001); // last change
@session_start();
class DevblocksProxy {
function proxy($local_path) {
// echo “RPT: “,REMOTE_PROTOCOL,”
“;
// echo “RH: “,REMOTE_HOST,”
“;
// echo “RP: “,REMOTE_PORT,”
“;
// echo “RB: “,REMOTE_BASE,”
“;
// echo “RU: “,REMOTE_URI,”
“;
// echo “LP: $local_path
“;
$path = ”;
$query = ”;
// Query args
if(0 != strpos($local_path,’?'))
list($local_path, $query) = explode(‘?’, $local_path);
$path = explode(‘/’, substr($local_path,1));
// Encode all our parts
if(is_array($path))
foreach($path as $idx => $p)
$path[$idx] = rawurlencode($p);
$local_path = ‘/’.implode(‘/’, $path);
if(!empty($query))
$local_path .= ‘?’ . $query;
if(0==strcasecmp($path[0],’resource’)) {
header(‘Pragma: cache’);
header(‘Cache-control: max-age=86400′); // 1d
header(‘Expires: ‘ . gmdate(‘D, d M Y H:i:s’,time()+86400) . ‘ GMT’); // 1d
// $pathinfo = pathinfo($local_path);
// switch($pathinfo['extension']) {
// case ‘css’:
// header(‘Content-type: text/css;’);
// break;
// case ‘js’:
// header(‘Content-type: text/javascript;’);
// break;
// case ‘xml’:
// header(‘Content-type: text/xml;’);
// break;
// default:
// header(‘Content-type: text/html;’);
// break;
// }
$remote_path = REMOTE_BASE;
} else {
$remote_path = REMOTE_BASE . REMOTE_URI;
}
if($this->_isPost()) {
$this->_post($remote_path, $local_path);
} else {
$this->_get($remote_path, $local_path);
}
}
function _get($local_path, $remote_path) {
die(“Subclass abstract ” . __CLASS__ . “…”);
}
function _post($local_path, $remote_path) {
die(“Subclass abstract ” . __CLASS__ . “…”);
}
function _parseResponse($content) {
$lines = explode(“\n”, $content);
$headers = array();
$content = ”;
$is_headers = true;
while($line = array_shift($lines)) {
if($is_headers && $line == “\r”) {
// Is the next line another headers block?
$line = array_shift($lines);
if(preg_match(“/^HTTP\/\S+ \d+/i”, $line)) {
$headers = array(); // flush
} else {
$is_headers = false;
array_unshift($lines, $line);
continue;
}
}
if($is_headers) {
$headers[] = $line;
} else {
// Everything else
$content = $line . “\n” . implode(“\n”, $lines);
$lines = array();
}
}
return array(
$headers,
$content
);
}
/**
* @return boolean
*/
function _isPost() {
return !strcasecmp($_SERVER['REQUEST_METHOD'],”POST”); // 0=match
}
function _generateMimeBoundary() {
return md5(mt_rand(0,10000).time().microtime());
}
function _isSSL() {
if(@$_SERVER["HTTPS"] == “on”){
return true;
} elseif (@$_SERVER["HTTPS"] == 1){
return true;
} elseif (@$_SERVER['SERVER_PORT'] == 443) {
return true;
} else {
return false;
}
}
/**
* @return string
*/
function _buildPost($boundary) {
$content = null;
// Handle post variables
foreach($_POST as $k => $v) {
if(is_array($v)) {
foreach($v as $vk => $vv) {
$content .= sprintf(“–%s\r\n”.
“content-disposition: form-data; name=\”%s\”\r\n”.
“\r\n”.
“%s\r\n”,
$boundary,
$k.’[]‘,
(get_magic_quotes_gpc() ? stripslashes($vv) : $vv)
);
}
} else {
$content .= sprintf(“–%s\r\n”.
“content-disposition: form-data; name=\”%s\”\r\n”.
“\r\n”.
“%s\r\n”,
$boundary,
$k,
(get_magic_quotes_gpc() ? stripslashes($v) : $v)
);
}
}
// Handle files
if(is_array($_FILES) && !empty($_FILES))
foreach($_FILES as $k => $file) {
if(is_array($file['name'])) {
foreach($file['name'] as $idx => $name) {
if(empty($name))
continue;
$content .= sprintf(“–%s\r\n”.
“content-disposition: form-data; name=\”%s[]\”; filename=\”%s\”\r\n”.
“Content-Type: application/octet-stream\r\n”.
“\r\n”.
“%s\r\n”,
$boundary,
$k,
$name,
file_get_contents($file['tmp_name'][$idx]) // [JAS] replace with a PHP4 friendly function?
);
}
} else {
$content .= sprintf(“–%s\r\n”.
“content-disposition: form-data; name=\”%s\”; filename=\”%s\”\r\n”.
“Content-Type: application/octet-stream\r\n”.
“\r\n”.
“%s\r\n”,
$boundary,
$k,
$file['name'],
file_get_contents($file['tmp_name']) // [JAS] replace with a PHP4 friendly function?
);
}
}
$content .= sprintf(“–%s–\r\n”,
$boundary
);
return $content; // POST
}
/**
* @return array
*/
function _getFingerprint() {
// Create a local cookie for this user to pass to Devblocks
if(isset($_COOKIE['GroupLoginPassport'])) {
$cookie = get_magic_quotes_gpc() ? stripslashes($_COOKIE['GroupLoginPassport']) : $_COOKIE['GroupLoginPassport'];
$fingerprint = unserialize($cookie);
} else {
$fingerprint = array(‘browser’=>$_SERVER['HTTP_USER_AGENT'], ‘ip’=>$_SERVER['REMOTE_ADDR'], ‘local_sessid’ => session_id(), ‘started’ => time());
setcookie(
‘GroupLoginPassport’,
serialize($fingerprint),
0,
‘/’
);
}
return $fingerprint;
}
};
class DevblocksProxy_Socket extends DevblocksProxy {
function _get($remote_path, $local_path) {
$host = (REMOTE_PROTOCOL==’https’ ? ‘ssl://’ : ‘tcp://’) . REMOTE_HOST;
$fp = fsockopen($host, REMOTE_PORT, $errno, $errstr, 10);
if ($fp) {
$out = “GET ” . $remote_path . $local_path . ” HTTP/1.0\r\n”;
$out .= “Host: ” . REMOTE_HOST . “\r\n”;
$out .= ‘Via: 1.1 ‘ . LOCAL_HOST . “\r\n”;
if($this->_isSSL()) $out .= ‘DevblocksProxySSL: ‘ . ’1′ . “\r\n”;
$out .= ‘DevblocksProxyHost: ‘ . LOCAL_HOST . “\r\n”;
$out .= ‘DevblocksProxyBase: ‘ . LOCAL_BASE . “\r\n”;
$out .= ‘Cookie: GroupLoginPassport=’ . urlencode(serialize($this->_getFingerprint())) . ‘;’ . “\r\n”;
$out .= “Connection: Close\r\n\r\n”;
$this->_send($fp, $out);
}
}
function _post($remote_path, $local_path) {
$host = (REMOTE_PROTOCOL==’https’ ? ‘ssl://’ : ‘tcp://’) . REMOTE_HOST;
$fp = fsockopen($host, REMOTE_PORT, $errno, $errstr, 10);
if ($fp) {
$boundary = $this->_generateMimeBoundary();
$content = $this->_buildPost($boundary);
$out = “POST ” . $remote_path . $local_path . ” HTTP/1.0\r\n”;
$out .= “Host: ” . REMOTE_HOST . “\r\n”;
$out .= ‘Via: 1.1 ‘ . LOCAL_HOST . “\r\n”;
if($this->_isSSL()) $out .= ‘DevblocksProxySSL: ‘ . ’1′ . “\r\n”;
$out .= ‘DevblocksProxyHost: ‘ . LOCAL_HOST . “\r\n”;
$out .= ‘DevblocksProxyBase: ‘ . LOCAL_BASE . “\r\n”;
$out .= ‘Cookie: GroupLoginPassport=’ . urlencode(serialize($this->_getFingerprint())) . ‘;’ . “\r\n”;
$out .= “Content-Type: multipart/form-data, boundary=”.$boundary.”\r\n”;
$out .= “Content-Length: ” . strlen($content) . “\r\n”;
$out .= “Connection: Close\r\n”;
$out .= “\r\n”;
$out .= $content;
$this->_send($fp, $out);
}
}
function _send($fp, $out) {
fwrite($fp, $out);
$content = ”;
while(!feof($fp))
$content .= fread($fp, 1024);
fclose($fp);
list($headers, $content) = $this->_parseResponse($content);
foreach($headers as $header) {
// Do we need to redirect?
if(preg_match(“/^Location:/i”, $header)) {
header($header);
exit;
}
// Passthru content type
if(preg_match(“/^Content-Type:/i”, $header)) {
header($header);
}
}
echo $content;
}
};
class DevblocksProxy_Curl extends DevblocksProxy {
function _get($remote_path, $local_path) {
$url = REMOTE_PROTOCOL . ‘://’ . REMOTE_HOST . ‘:’ . REMOTE_PORT . $remote_path . $local_path;
$header = array();
$header[] = ‘Via: 1.1 ‘ . LOCAL_HOST;
if($this->_isSSL()) $header[] = ‘DevblocksProxySSL: 1′;
$header[] = ‘DevblocksProxyHost: ‘ . LOCAL_HOST;
$header[] = ‘DevblocksProxyBase: ‘ . LOCAL_BASE;
$header[] = ‘Cookie: GroupLoginPassport=’ . urlencode(serialize($this->_getFingerprint())) . ‘;’;
$ch = curl_init();
$out = “”;
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$this->_returnTransfer($ch, $out);
curl_close($ch);
}
function _post($remote_path, $local_path) {
$boundary = $this->_generateMimeBoundary();
$content = $this->_buildPost($boundary);
$url = REMOTE_PROTOCOL . ‘://’ . REMOTE_HOST . ‘:’ . REMOTE_PORT . $remote_path . $local_path;
$header = array();
$header[] = ‘Content-Type: multipart/form-data; boundary=’.$boundary;
$header[] = ‘Content-Length: ‘ . strlen($content);
$header[] = ‘Via: 1.1 ‘ . LOCAL_HOST;
if($this->_isSSL()) $header[] = ‘DevblocksProxySSL: 1′;
$header[] = ‘DevblocksProxyHost: ‘ . LOCAL_HOST;
$header[] = ‘DevblocksProxyBase: ‘ . LOCAL_BASE;
$header[] = ‘Cookie: GroupLoginPassport=’ . urlencode(serialize($this->_getFingerprint())) . ‘;’;
$ch = curl_init();
$out = “”;
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $content);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$this->_returnTransfer($ch, $out);
curl_close($ch);
}
function _returnTransfer($ch) {
$out = curl_exec($ch);
list($headers, $content) = $this->_parseResponse($out);
foreach($headers as $header) {
// Do we need to redirect?
if(preg_match(“/^Location:/i”, $header)) {
header($header);
exit;
}
}
$content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
if(!empty($content_type))
header(“Content-type: ” . $content_type);
echo $content;
}
};
class DevblocksRouter {
function connect() {
// Read the relative URL into an array
if(@isset($_SERVER['HTTP_X_REWRITE_URL'])) { // IIS Rewrite
$location = $_SERVER['HTTP_X_REWRITE_URL'];
} elseif(@isset($_SERVER['REQUEST_URI'])) { // Apache
$location = $_SERVER['REQUEST_URI'];
} elseif(@isset($_SERVER['REDIRECT_URL'])) { // Apache mod_rewrite (breaks on CGI)
$location = $_SERVER['REDIRECT_URL'];
} elseif(@isset($_SERVER['ORIG_PATH_INFO'])) { // IIS + CGI
$location = $_SERVER['ORIG_PATH_INFO'];
}
$local_path = substr($location,strlen(LOCAL_BASE));
// echo “SRU: “,$_SERVER['REQUEST_URI'],”
“;
// echo “Localbase: “,LOCAL_BASE,”
“;
// echo $local_path,”
“;
$proxy = $this->_factory();
$proxy->proxy($local_path);
}
/**
* @return DevblocksProxy
*/
function _factory() {
$proxy = null;
// Determine if CURL or FSOCK is available
if(function_exists(‘curl_exec’)) {
$proxy = new DevblocksProxy_Curl();
} elseif(function_exists(‘fsockopen’)) {
$proxy = new DevblocksProxy_Socket();
}
return $proxy;
}
/**
* @static
* @return string
*/
static function getLocalBase() {
$uri = $_SERVER['PHP_SELF'];
if(substr($uri,-1,1)==’/') // strip trailing slash
$uri = substr($uri,0,-1);
$path = explode(‘/’, $uri);
if(false !== ($pos = array_search(“index.php”,$path))) {
$path = array_slice($path, 0, (URL_REWRITE?$pos:$pos+1));
}
return implode(‘/’, $path);
}
};
$router = new DevblocksRouter();
$router->connect();
?>