<?php
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class remoting {
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//* remote session timeout in seconds
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private $session_timeout = 600;
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private $app;
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private $conf;
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private $server;
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public function __construct()
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{
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global $app, $conf, $server;
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$this->server = $server;
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$this->app = $app;
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$this->conf = $conf;
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}
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//* remote login function
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public function login($username, $password)
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{
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if(empty($username)) {
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$this->server->fault('login_username_empty', 'The login username is empty');
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return false;
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}
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if(empty($password)) {
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$this->server->fault('login_password_empty', 'The login password is empty');
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return false;
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}
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$username = $this->app->db->quote($username);
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$password = $this->app->db->quote($password);
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$sql = "SELECT * FROM remote_user WHERE remote_username = '$username' and remote_password = md5('$password')";
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$remote_user = $this->app->db->queryOneRecord($sql);
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if($remote_user['remote_userid'] > 0) {
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//* Create a remote user session
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srand ((double)microtime()*1000000);
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$remote_session = md5(rand());
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$remote_userid = $remote_user['remote_userid'];
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$remote_functions = $remote_user['remote_functions'];
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$tstamp = time() + $this->session_timeout;
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$sql = 'INSERT INTO remote_session (remote_session,remote_userid,remote_functions,tstamp'
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.') VALUES ('
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." '$remote_session',$remote_userid,'$remote_functions',$tstamp)";
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$this->app->db->query($sql);
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return $remote_session;
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} else {
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$this->server->fault('login_failed', 'The login failed. Username or password wrong.');
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return false;
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}
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}
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//* remote logout function
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public function logout($session_id)
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{
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if(empty($session_id)) {
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$this->server->fault('session_id_empty', 'The SessionID is empty.');
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return false;
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}
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$session_id = $this->app->db->quote($session_id);
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$sql = "DELETE FROM remote_session WHERE remote_session = '$session_id'";
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$this->app->db->query($sql);
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return ($this->app->db->affectedRows() == 1);
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}
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public function mail_domain_add($session_id, $params)
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{
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if(!$this->checkPerm($session_id, 'mail_domain_add')) {
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$this->server->fault('permission_denied', 'You do not have the permissions to access this function.');
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return false;
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}
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//* Form definition file, that is used for this table in the interafce
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$formdef = '../mail/form/mail_domain.tform.php';
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//* check the variables against the form definition and build the sql query automatically.
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// I will use a modified version of the tform class for this.
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}
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//** private functions -----------------------------------------------------------------------------------
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private function updateQuery($formdef, $params)
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{
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}
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private function checkPerm($session_id, $function_name)
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{
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$session = $this->getSession($session_id);
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if(!$session){
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return false;
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}
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return in_array($function_name, explode(',', $session['remote_functions']) );
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}
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private function getSession($session_id)
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{
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if(empty($session_id)) {
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$this->server->fault('session_id_empty','The SessionID is empty.');
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return false;
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}
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$session_id = $this->app->db->quote($session_id);
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$now = time();
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$sql = "SELECT * FROM remote_session WHERE remote_session = '$session_id' AND tstamp >= $now";
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$session = $this->app->db->queryOneRecord($sql);
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if($session['remote_userid'] > 0) {
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return $session;
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} else {
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$this->server->fault('session_does_not_exist','The Session is expired or does not exist.');
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return false;
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}
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}
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}
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?>
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