271 lines
7.0 KiB
PHP
Executable File
271 lines
7.0 KiB
PHP
Executable File
<?php
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die('this is just here for reference now');
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require_once('../include/crunchbutton.php');
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$host = 'localhost'; //host
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$port = '9000'; //port
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$null = NULL; //null var
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//Create TCP/IP sream socket
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$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
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//reuseable port
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socket_set_option($socket, SOL_SOCKET, SO_REUSEADDR, 1);
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//bind socket to specified host
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socket_bind($socket, 0, $port);
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//listen to port
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socket_listen($socket);
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//create & add listning socket to the list
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$clients = array($socket);
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//start endless loop, so that our script doesn't stop
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while (true) {
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//manage multipal connections
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$changed = $clients;
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//returns the socket resources in $changed array
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$sel = socket_select($changed, $null, $null, 0, 10);
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//check for new socket
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if (in_array($socket, $changed)) {
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$socket_new = socket_accept($socket); //accpet new socket
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$header = socket_read($socket_new, 1024); //read data sent by the socket
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$status = perform_handshaking($header, $socket_new, $host, $port); //perform websocket handshake
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if ($status) {
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$clients[] = $socket_new; //add socket to client array
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socket_getpeername($socket_new, $ip); //get ip address of connected socket
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$response = mask(json_encode(array('type'=>'system', 'message'=>$ip.' connected'))); //prepare json data
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send_message($response); //notify all users about new connection
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//make room for new socket
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$found_socket = array_search($socket, $changed);
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unset($changed[$found_socket]);
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} else {
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continue;
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}
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}
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//loop through all connected sockets
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foreach ($changed as $changed_socket) {
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//check for any incomming data
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while(socket_recv($changed_socket, $buf, 1024, 0) >= 1) {
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$received_text = unmask($buf);
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$payload = json_decode($received_text);
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var_dump($payload);
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// sending a mesage to a ticket
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switch ($payload->type) {
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case 'ticket.message':
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$sess = Session::token($payload->_token);
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if ($sess->id_admin) {
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$admin = new Admin($sess->id_admin);
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if ($admin->id_admin) {
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$support = Support::o($payload->ticket);
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if ($support->id_support) {
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$message = $support->addAdminMessage([
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'body' => $payload->body,
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'phone' => $admin->phone,
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'id_admin' => $admin->id_admin
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]);
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if ($message->id_support_message) {
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$message->notify();
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}
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}
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}
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}
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break;
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case 'ticket.typing.start':
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case 'ticket.typing.stop':
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break;
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}
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/*
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$admin = Admin::o();
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$message = $this->addAdminMessage( [ 'body' => $body, 'phone' => $admin->phone, 'id_admin' => c::admin()->id_admin ] );
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if( $message->id_support_message ){
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$message->notify();
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}
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// if ($support->permissionToEdit()) {
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// send_mask
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*/
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$support = null;
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//prepare data to be sent to client
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$response_text = mask(json_encode(array('type'=>'usermsg', 'name'=>$user_name, 'message'=>$user_message, 'color'=>$user_color)));
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send_message($response_text); //send data
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break 2;
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}
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$buf = @socket_read($changed_socket, 1024, PHP_NORMAL_READ);
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if ($buf === false) { // check disconnected client
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// remove client for $clients array
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$found_socket = array_search($changed_socket, $clients);
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socket_getpeername($changed_socket, $ip);
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unset($clients[$found_socket]);
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//notify all users about disconnected connection
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$response = mask(json_encode(array('type'=>'system', 'message'=>$ip.' disconnected')));
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send_message($response);
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}
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}
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}
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// close the listening socket
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socket_close($sock);
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function send_message($msg) {
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global $clients;
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foreach($clients as $changed_socket) {
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@socket_write($changed_socket,$msg,strlen($msg));
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}
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return true;
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}
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//Unmask incoming framed message
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function unmask($text) {
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$length = ord($text[1]) & 127;
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if($length == 126) {
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$masks = substr($text, 4, 4);
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$data = substr($text, 8);
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}
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elseif($length == 127) {
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$masks = substr($text, 10, 4);
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$data = substr($text, 14);
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}
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else {
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$masks = substr($text, 2, 4);
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$data = substr($text, 6);
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}
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$text = "";
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for ($i = 0; $i < strlen($data); ++$i) {
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$text .= $data[$i] ^ $masks[$i%4];
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}
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return $text;
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}
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function send_mask($messageArray) {
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$response = mask(json_encode($messageArray));
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send_message($response);
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}
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//Encode message for transfer to client.
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function mask($text)
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{
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$b1 = 0x80 | (0x1 & 0x0f);
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$length = strlen($text);
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if($length <= 125)
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$header = pack('CC', $b1, $length);
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elseif($length > 125 && $length < 65536)
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$header = pack('CCn', $b1, 126, $length);
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elseif($length >= 65536)
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$header = pack('CCNN', $b1, 127, $length);
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return $header.$text;
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}
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//handshake new client.
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function perform_handshaking($receved_header, $client_conn, $host, $port) {
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$headers = [];
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$query = [];
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$lines = preg_split("/\r\n/", $receved_header);
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$request = explode(' ', trim(array_shift($lines)));
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$request[1] = explode('?', $request[1]);
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$method = $request[0];
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$path = preg_replace('/^\/(.*)$/', '\\1', $request[1][0]);
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foreach($lines as $line) {
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$line = chop($line);
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if (preg_match('/\A(\S+): (.*)\z/', $line, $matches)) {
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$headers[$matches[1]] = $matches[2];
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}
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}
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if (($method == 'POST' || $method == 'PUT') && $headers['Content-Type'] == 'application/x-www-form-urlencoded') {
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parse_str(array_pop($lines), $query);
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} else {
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parse_str($request[1][1], $query);
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}
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$check = false;
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// if the connection is not a socket
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if ($headers['Upgrade'] != 'websocket') {
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// we are emiting from php
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if ($path == 'emit' && $query['_key'] == c::config()->site->config('chat-server-key')->val()) {
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echo "Emiting...\n";
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$msg = [];
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foreach ($query as $k => $v) {
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if ($k{0} != '_') {
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$msg[$k] = $v;
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}
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}
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send_mask($msg);
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var_dump($query);
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$upgrade =
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"HTTP/1.1 200 Ok\r\n".
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"\r\ntrue";
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socket_write($client_conn, $upgrade, strlen($upgrade));
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// someone came here from the browser
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} else {
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$upgrade =
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"HTTP/1.0 404 Not Found\r\n".
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"Content-Type:text/html; charset=UTF-8\r\n".
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"\r\nThis is not the page you are looking for... <a href='http://_DOMAIN_'>http://_DOMAIN_</a>\r\n\r\n".c::config()->site->config('chat-server-key')->val()."\r\n\r\n".$query['_key'];
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socket_write($client_conn, $upgrade, strlen($upgrade));
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}
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socket_close($client_conn);
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return false;
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}
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if ($query['_token']) {
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$sess = Session::token($query['_token']);
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if ($sess->id_admin) {
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$admin = new Admin($sess->id_admin);
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if ($admin->permission()->check(['global', 'support-all', 'support-view', 'support-crud' ])) {
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$check = true;
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}
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}
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}
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if (!$check) {
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socket_close($client_conn);
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return false;
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}
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$secKey = $headers['Sec-WebSocket-Key'];
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$secAccept = base64_encode(pack('H*', sha1($secKey . '_KEY_')));
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//hand shaking header
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$upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
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"Upgrade: websocket\r\n" .
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"User: ".$admin->id_admin."\r\n" .
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"Connection: Upgrade\r\n" .
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"WebSocket-Origin: $host\r\n" .
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"WebSocket-Location: ws://$host:$port/demo/shout.php\r\n".
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"Sec-WebSocket-Accept:$secAccept\r\n\r\n";
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socket_write($client_conn,$upgrade,strlen($upgrade));
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return true;
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}
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