function user_authenticate in Drupal 4

Same name and namespace in other branches

1. 5 modules/user/user.module \user_authenticate()
2. 6 modules/user/user.module \user_authenticate()
3. 7 modules/user/user.module \user_authenticate()

3 calls to user_authenticate()

blogapi_validate_user in modules/blogapi.module

Ensure that the given user has permission to edit a blog.

user_login_validate in modules/user.module

user_register_submit in modules/user.module

File

modules/user.module, line 970

Enables the user registration and login system.

Code

function user_authenticate($name, $pass) {
  global $user;

  // Try to log in the user locally. Don't set $user unless successful.
  if ($account = user_load(array(
    'name' => $name,
    'pass' => $pass,
    'status' => 1,
  ))) {
    $user = $account;
  }

  // Strip name and server from ID:
  if ($server = strrchr($name, '@')) {
    $name = substr($name, 0, strlen($name) - strlen($server));
    $server = substr($server, 1);
  }

  // When possible, determine corresponding external auth source. Invoke
  // source, and log in user if successful:
  if (!$user->uid && $server && ($result = user_get_authmaps("{$name}@{$server}"))) {
    if (module_invoke(key($result), 'auth', $name, $pass, $server)) {
      $user = user_external_load("{$name}@{$server}");
      watchdog('user', t('External load by %user using module %module.', array(
        '%user' => theme('placeholder', $name . '@' . $server),
        '%module' => theme('placeholder', key($result)),
      )));
    }
    else {
      $error = t('Invalid password for %s.', array(
        '%s' => theme('placeholder', $name . '@' . $server),
      ));
    }
  }
  else {
    if (!$user->uid && $server) {
      foreach (module_list() as $module) {
        if (module_hook($module, 'auth')) {
          if (module_invoke($module, 'auth', $name, $pass, $server)) {
            if (variable_get('user_register', 1) == 1) {
              $account = user_load(array(
                'name' => "{$name}@{$server}",
              ));
              if (!$account->uid) {

                // Register this new user.
                $user = user_save('', array(
                  'name' => "{$name}@{$server}",
                  'pass' => user_password(),
                  'init' => "{$name}@{$server}",
                  'status' => 1,
                  "authname_{$module}" => "{$name}@{$server}",
                ));
                watchdog('user', t('New external user: %user using module %module.', array(
                  '%user' => theme('placeholder', $name . '@' . $server),
                  '%module' => theme('placeholder', $module),
                )), WATCHDOG_NOTICE, l(t('edit'), 'user/' . $user->uid . '/edit'));
                break;
              }
            }
          }
        }
      }
    }
  }
  return $user;
}