function user_login_final_validate
The final validation handler on the login form.
Sets a form error if user has not been authenticated, or if too many logins have been attempted. This validation function should always be the last one.
1 string reference to 'user_login_final_validate'
- user_login_default_validators in modules/
user/ user.module - Set up a series for validators which check for blocked users, then authenticate against local database, then return an error if authentication fails. Distributed authentication modules are welcome to use hook_form_alter() to change this series in…
File
-
modules/
user/ user.module, line 2230
Code
function user_login_final_validate($form, &$form_state) {
if (empty($form_state['uid'])) {
// Always register an IP-based failed login event.
flood_register_event('failed_login_attempt_ip', variable_get('user_failed_login_ip_window', 3600));
// Register a per-user failed login event.
if (isset($form_state['flood_control_user_identifier'])) {
flood_register_event('failed_login_attempt_user', variable_get('user_failed_login_user_window', 21600), $form_state['flood_control_user_identifier']);
}
if (isset($form_state['flood_control_triggered'])) {
if ($form_state['flood_control_triggered'] == 'user') {
form_set_error('name', format_plural(variable_get('user_failed_login_user_limit', 5), 'Sorry, there has been more than one failed login attempt for this account. It is temporarily blocked. Try again later or <a href="@url">request a new password</a>.', 'Sorry, there have been more than @count failed login attempts for this account. It is temporarily blocked. Try again later or <a href="@url">request a new password</a>.', array(
'@url' => url('user/password'),
)));
module_invoke_all('user_flood_control', ip_address(), $form_state['values']['name']);
}
else {
// We did not find a uid, so the limit is IP-based.
form_set_error('name', t('Sorry, too many failed login attempts from your IP address. This IP address is temporarily blocked. Try again later or <a href="@url">request a new password</a>.', array(
'@url' => url('user/password'),
)));
module_invoke_all('user_flood_control', ip_address());
}
// We cannot call drupal_access_denied() here as that can result in an
// infinite loop if the login form is rendered on the 403 page (e.g. in a
// block). So add the 403 header and allow form processing to finish.
drupal_add_http_header('Status', '403 Forbidden');
}
else {
form_set_error('name', t('Sorry, unrecognized username or password. <a href="@password">Have you forgotten your password?</a>', array(
'@password' => url('user/password'),
)));
watchdog('user', 'Login attempt failed for %user.', array(
'%user' => $form_state['values']['name'],
));
}
}
elseif (isset($form_state['flood_control_user_identifier'])) {
// Clear past failures for this user so as not to block a user who might
// log in and out more than once in an hour.
flood_clear_event('failed_login_attempt_user', $form_state['flood_control_user_identifier']);
}
}
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