Official Addons for the Friendica Communications Platform. (please note that this is a clone of the repository at github, issues are handled there)
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<?php
/*
Jappix - An open social platform
This is a PHP BOSH proxy
-------------------------------------------------
This file is dual-licensed under the MIT license (see MIT.txt) and the AGPL license (see jappix/COPYING).
Authors: Vanaryon, Leberwurscht
*/
// PHP base
define('JAPPIX_BASE', './jappix');
// Get the configuration
require_once('./jappix/php/functions.php');
require_once('./jappix/php/read-main.php');
require_once('./jappix/php/read-hosts.php');
// Optimize the page rendering
hideErrors();
compressThis();
// Not allowed?
if(!BOSHProxy()) {
header('Status: 403 Forbidden', true, 403);
exit('HTTP/1.1 403 Forbidden');
}
// custom BOSH host
$HOST_BOSH = HOST_BOSH;
if(isset($_GET['host_bosh']) && $_GET['host_bosh']) {
$host_bosh = $_GET['host_bosh'];
if (substr($host_bosh, 0, 7)==="http://" || substr($host_bosh, 0, 8)==="https://") {
$HOST_BOSH = $host_bosh;
}
}
// OPTIONS method?
if($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
// CORS headers
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: GET, POST, OPTIONS');
header('Access-Control-Allow-Headers: Content-Type');
header('Access-Control-Max-Age: 31536000');
exit;
}
// Read POST content
$data = file_get_contents('php://input');
// POST method?
if($data) {
// CORS headers
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Headers: Content-Type');
$method = 'POST';
}
// GET method?
else if(isset($_GET['data']) && $_GET['data'] && isset($_GET['callback']) && $_GET['callback']) {
$method = 'GET';
$data = $_GET['data'];
$callback = $_GET['callback'];
}
// Invalid method?
else {
header('Status: 400 Bad Request', true, 400);
exit('HTTP/1.1 400 Bad Request');
}
// HTTP headers
$headers = ['User-Agent: Jappix (BOSH PHP Proxy)', 'Connection: keep-alive', 'Content-Type: text/xml; charset=utf-8', 'Content-Length: '.strlen($data)];
// CURL is better if available
if(function_exists('curl_init'))
$use_curl = true;
else
$use_curl = false;
// CURL caused problems for me
$use_curl = false;
// CURL stream functions
if($use_curl) {
// Initialize CURL
$connection = curl_init($HOST_BOSH);
// Set the CURL settings
curl_setopt($connection, CURLOPT_HEADER, 0);
curl_setopt($connection, CURLOPT_POST, 1);
curl_setopt($connection, CURLOPT_POSTFIELDS, $data);
curl_setopt($connection, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($connection, CURLOPT_HTTPHEADER, $headers);
curl_setopt($connection, CURLOPT_VERBOSE, 0);
curl_setopt($connection, CURLOPT_CONNECTTIMEOUT, 30);
curl_setopt($connection, CURLOPT_TIMEOUT, 30);
curl_setopt($connection, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($connection, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($connection, CURLOPT_RETURNTRANSFER, 1);
// Get the CURL output
$output = curl_exec($connection);
}
// Built-in stream functions
else {
// HTTP parameters
$parameters = ['http' => [
'method' => 'POST',
'content' => $data
]
];
$parameters['http']['header'] = $headers;
// Change default timeout
ini_set('default_socket_timeout', 30);
// Create the connection
$stream = @stream_context_create($parameters);
$connection = @fopen($HOST_BOSH, 'rb', false, $stream);
// Failed to connect!
if($connection == false) {
header('Status: 502 Proxy Error', true, 502);
exit('HTTP/1.1 502 Proxy Error');
}
// Allow stream blocking to handle incoming BOSH data
@stream_set_blocking($connection, true);
// Get the output content
$output = @stream_get_contents($connection);
}
// Cache headers
header('Cache-Control: no-cache, must-revalidate');
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
// POST output
if($method == 'POST') {
// XML header
header('Content-Type: text/xml; charset=utf-8');
if(!$output)
echo('<body xmlns=\'http://jabber.org/protocol/httpbind\' type=\'terminate\'/>');
else
echo($output);
}
// GET output
if($method == 'GET') {
// JSON header
header('Content-type: application/json');
// Encode output to JSON
$json_output = json_encode($output);
if(($output == false) || ($output == '') || ($json_output == 'null'))
echo($callback.'({"reply":"<body xmlns=\'http:\/\/jabber.org\/protocol\/httpbind\' type=\'terminate\'\/>"});');
else
echo($callback.'({"reply":'.$json_output.'});');
}
// Close the connection
if($use_curl)
curl_close($connection);
else
@fclose($connection);
?>