PHP rcube_utils::request_header方法代码示例

        $OUTPUT->send('iframe');
    }
    // check if installer is still active
    if ($RCMAIL->config->get('enable_installer') && is_readable('./installer/index.php')) {
        $OUTPUT->add_footer(html::div(array('style' => "background:#ef9398; border:2px solid #dc5757; padding:0.5em; margin:2em auto; width:50em"), html::tag('h2', array('style' => "margin-top:0.2em"), "Installer script is still accessible") . html::p(null, "The install script of your Roundcube installation is still stored in its default location!") . html::p(null, "Please <b>remove</b> the whole <tt>installer</tt> folder from the Roundcube directory because .\r\n                these files may expose sensitive configuration data like server passwords and encryption keys\r\n                to the public. Make sure you cannot access the <a href=\"./installer/\">installer script</a> from your browser.")));
    }
    $plugin = $RCMAIL->plugins->exec_hook('unauthenticated', array('task' => 'login', 'error' => $session_error));
    $RCMAIL->set_task($plugin['task']);
    $OUTPUT->send($plugin['task']);
} else {
    // don't check for valid request tokens in these actions
    $request_check_whitelist = array('login' => 1, 'spell' => 1, 'spell_html' => 1);
    if (!$request_check_whitelist[$RCMAIL->action]) {
        // check client X-header to verify request origin
        if ($OUTPUT->ajax_call) {
            if (rcube_utils::request_header('X-Roundcube-Request') != $RCMAIL->get_request_token()) {
                header('HTTP/1.1 403 Forbidden');
                die("Invalid Request");
            }
        } else {
            if (!empty($_POST) && !$RCMAIL->check_request()) {
                $OUTPUT->show_message('invalidrequest', 'error');
                $OUTPUT->send($RCMAIL->task);
            }
        }
        // check referer if configured
        if ($RCMAIL->config->get('referer_check') && !rcube_utils::check_referer()) {
            raise_error(array('code' => 403, 'type' => 'php', 'message' => "Referer check failed"), true, true);
        }
    }
}

 /**
  * Check if the current request contains a valid token.
  * Empty requests aren't checked until use_secure_urls is set.
  *
  * @param int Request method
  *
  * @return boolean True if request token is valid false if not
  */
 public function check_request($mode = rcube_utils::INPUT_POST)
 {
     // check secure token in URL if enabled
     if ($token = $this->get_secure_url_token()) {
         foreach (explode('/', preg_replace('/[?#&].*$/', '', $_SERVER['REQUEST_URI'])) as $tok) {
             if ($tok == $token) {
                 return true;
             }
         }
         $this->request_status = self::REQUEST_ERROR_URL;
         return false;
     }
     $sess_tok = $this->get_request_token();
     // ajax requests
     if (rcube_utils::request_header('X-Roundcube-Request') == $sess_tok) {
         return true;
     }
     // skip empty requests
     if ($mode == rcube_utils::INPUT_POST && empty($_POST) || $mode == rcube_utils::INPUT_GET && empty($_GET)) {
         return true;
     }
     // default method of securing requests
     $token = rcube_utils::get_input_value('_token', $mode);
     $sess_id = $_COOKIE[ini_get('session.name')];
     if (empty($sess_id) || $token != $sess_tok) {
         $this->request_status = self::REQUEST_ERROR_TOKEN;
         return false;
     }
     return true;
 }

    }
    // check if installer is still active
    if ($RCMAIL->config->get('enable_installer') && is_readable('./installer/index.php')) {
        $OUTPUT->add_footer(html::div(array('style' => "background:#ef9398; border:2px solid #dc5757; padding:0.5em; margin:2em auto; width:50em"), html::tag('h2', array('style' => "margin-top:0.2em"), "Installer script is still accessible") . html::p(null, "The install script of your Roundcube installation is still stored in its default location!") . html::p(null, "Please <b>remove</b> the whole <tt>installer</tt> folder from the Roundcube directory because .\n        these files may expose sensitive configuration data like server passwords and encryption keys\n        to the public. Make sure you cannot access the <a href=\"./installer/\">installer script</a> from your browser.")));
    }
    if ($session_error || $_REQUEST['_err'] == 'session') {
        $OUTPUT->show_message('sessionerror', 'error', null, true, -1);
    }
    $RCMAIL->set_task('login');
    $OUTPUT->send('login');
} else {
    // don't check for valid request tokens in these actions
    $request_check_whitelist = array('login' => 1, 'spell' => 1);
    // check client X-header to verify request origin
    if ($OUTPUT->ajax_call) {
        if (rcube_utils::request_header('X-Roundcube-Request') != $RCMAIL->get_request_token() && !$RCMAIL->config->get('devel_mode')) {
            header('HTTP/1.1 403 Forbidden');
            die("Invalid Request");
        }
    } else {
        if (!empty($_POST) && !$request_check_whitelist[$RCMAIL->action] && !$RCMAIL->check_request()) {
            $OUTPUT->show_message('invalidrequest', 'error');
            $OUTPUT->send($RCMAIL->task);
        }
    }
    // check referer if configured
    if (!$request_check_whitelist[$RCMAIL->action] && $RCMAIL->config->get('referer_check') && !rcmail::check_referer()) {
        raise_error(array('code' => 403, 'type' => 'php', 'message' => "Referer check failed"), true, true);
    }
}
// we're ready, user is authenticated and the request is safe

function rc_request_header($name)
{
    return rcube_utils::request_header($name);
}

function rc_request_header($name)
{
    _deprecation_warning(__FUNCTION__);
    return rcube_utils::request_header($name);
}