function notifications_check_signature in Notifications 6.4

Same name and namespace in other branches

1. 7 notifications.module \notifications_check_signature()

Check signature

Parameters

$params: Optional array of path elements. If not specified the current URL will be used

$query: Query string array, will be taken from request if empty

$prefix: When using the path this must match the first part of it, which is not used in the signature

4 calls to notifications_check_signature()

notifications_anonymous_destination_page in notifications_anonymous/notifications_anonymous.pages.inc

Page callback. Manage anonymous destinations.

notifications_anonymous_subscription_page in notifications_anonymous/notifications_anonymous.pages.inc

Page callback. Manage anonymous subscriptions.

notifications_page_check_signature in ./notifications.pages.inc

Check current URL is signed

notifications_subscription_edit_page in ./notifications.pages.inc

Edit subscription page that can be accessed with signed link

File

./notifications.module, line 287

Notifications module

Code

function notifications_check_signature($params = NULL, $query = array(), $prefix = 'notifications') {

  // If not parameters passed, get them from path, discard the first one that must match $prefix
  if (!$params) {
    if (arg(0) == $prefix) {
      $params = arg();
      array_shift($params);
    }
    $query = $query ? $query : $_GET;
  }

  // Check timestamp < 7 days
  if (!empty($query['timestamp']) && time() - 24 * 7 * 3600 > (int) $query['timestamp']) {
    drupal_set_message(t('This link has expired. Please get a new one or contact the site administrator.'), 'error');
    return FALSE;
  }
  if (!empty($_GET['signature'])) {
    unset($query['signature']);
    unset($query['q']);
    if ($_GET['signature'] === _notifications_signature($params, $query)) {
      return TRUE;
    }
    else {
      drupal_set_message(t('This link is not valid anymore. Please get a new one or contact the site administrator.'), 'error');
      return FALSE;
    }
  }
}