mirror of
https://git.friendi.ca/friendica/friendica-addons.git
synced 2024-11-25 06:03:41 +00:00
178 lines
4.3 KiB
PHP
178 lines
4.3 KiB
PHP
<?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);
|
|
|
|
?>
|