| | |
| | | } |
| | | |
| | | /** |
| | | * Generate a unique token to be used in a form request |
| | | * |
| | | * @return string The request token |
| | | */ |
| | | public function get_request_token() |
| | | { |
| | | $sess_id = $_COOKIE[ini_get('session.name')]; |
| | | |
| | | if (!$sess_id) { |
| | | $sess_id = session_id(); |
| | | } |
| | | |
| | | $plugin = $this->plugins->exec_hook('request_token', array( |
| | | 'value' => md5('RT' . $this->get_user_id() . $this->config->get('des_key') . $sess_id))); |
| | | |
| | | return $plugin['value']; |
| | | } |
| | | |
| | | /** |
| | | * Check if the current request contains a valid token |
| | | * |
| | | * @param int Request method |
| | | * |
| | | * @return boolean True if request token is valid false if not |
| | | */ |
| | | public function check_request($mode = rcube_utils::INPUT_POST) |
| | | { |
| | | $token = rcube_utils::get_input_value('_token', $mode); |
| | | $sess_id = $_COOKIE[ini_get('session.name')]; |
| | | |
| | | return !empty($sess_id) && $token == $this->get_request_token(); |
| | | } |
| | | |
| | | /** |
| | | * Build a valid URL to this instance of Roundcube |
| | | * |
| | | * @param mixed Either a string with the action or url parameters as key-value pairs |
| | | * @param boolean Build an URL absolute to document root |
| | | * @param boolean Create fully qualified URL including http(s):// and hostname |
| | | * @param bool Return absolute URL in secure location |
| | | * |
| | | * @return string Valid application URL |
| | | */ |
| | | public function url($p, $absolute = false, $full = false) |
| | | public function url($p, $absolute = false, $full = false, $secure = false) |
| | | { |
| | | if (!is_array($p)) { |
| | | if (strpos($p, 'http') === 0) { |
| | |
| | | } |
| | | } |
| | | |
| | | $base_path = strval($_SERVER['REDIRECT_SCRIPT_URL'] ?: $_SERVER['SCRIPT_NAME']); |
| | | $base_path = preg_replace('![^/]+$!', '', $base_path); |
| | | |
| | | if ($secure && ($token = $this->get_secure_url_token(true))) { |
| | | // add token to the url |
| | | $url = $token . '/' . $url; |
| | | |
| | | // remove old token from the path |
| | | $base_path = rtrim($base_path, '/'); |
| | | $base_path = preg_replace('/\/[a-f0-9]{' . strlen($token) . '}$/', '', $base_path); |
| | | |
| | | // this need to be full url to make redirects work |
| | | $absolute = true; |
| | | } |
| | | |
| | | if ($absolute || $full) { |
| | | // add base path to this Roundcube installation |
| | | $base_path = preg_replace('![^/]+$!', '', strval($_SERVER['SCRIPT_NAME'])); |
| | | if ($base_path == '') $base_path = '/'; |
| | | $prefix = $base_path; |
| | | |
| | |
| | | } |
| | | |
| | | /** |
| | | * CSRF attack prevention code |
| | | * |
| | | * @param int Request mode |
| | | */ |
| | | public function request_security_check($mode = rcube_utils::INPUT_POST) |
| | | { |
| | | // don't check for valid request tokens in these actions |
| | | // @TODO: get rid of this |
| | | $request_check_whitelist = array('spell'=>1, 'spell_html'=>1); |
| | | |
| | | if ($request_check_whitelist[$this->action]) { |
| | | return; |
| | | } |
| | | |
| | | // check request token |
| | | if (!$this->check_request($mode)) { |
| | | self::raise_error(array( |
| | | 'code' => 403, 'type' => 'php', |
| | | 'message' => "Request security check failed"), false, true); |
| | | } |
| | | |
| | | // check referer if configured |
| | | if ($this->config->get('referer_check') && !rcube_utils::check_referer()) { |
| | | self::raise_error(array( |
| | | 'code' => 403, 'type' => 'php', |
| | | 'message' => "Referer check failed"), true, true); |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * Registers action aliases for current task |
| | | * |
| | | * @param array $map Alias-to-filename hash array |