simplesamlphp_auth.install

<?php

/**
 * @file
 * The install file for the simplesamlphp_auth module.
 */

/**
 * Implements hook_install().
 */
function simplesamlphp_auth_install() {

  user_role_revoke_permissions(DRUPAL_AUTHENTICATED_RID, array('change own password'));

  // Disable the open registration to the site and store the original setting.
  $original = variable_get('user_register', 1);
  variable_set('user_register', 0);
  variable_set('simplesamlphp_auth_user_register_original', $original);

  // Inform the user about disabling the open registration.
  drupal_set_message(t('The SimpleSAMLphp Authentication module disabled the user registration. You can manually enable it again in the <a href="@user_settings_url">Account settings</a>.', array('@user_settings_url' => url('admin/config/people/accounts'))), 'warning');
}

/**
 * Implements hook_uninstall().
 */
function simplesamlphp_auth_uninstall() {
  // Restore the original user registration directive.
  $original = variable_get('simplesamlphp_auth_user_register_original', 1);
  variable_set('user_register', $original);
  variable_del('simplesamlphp_auth_user_register_original');

  // Remove the created system variables.
  variable_del('simplesamlphp_auth_activate');
  variable_del('simplesamlphp_auth_installdir');
  variable_del('simplesamlphp_auth_logout_page');
  variable_del('simplesamlphp_auth_mailattr');
  variable_del('simplesamlphp_auth_unique_id');
  variable_del('simplesamlphp_auth_user_name');
  variable_del('simplesamlphp_auth_authsource');
  variable_del('simplesamlphp_auth_rolepopulation');
  variable_del('simplesamlphp_auth_roleevaleverytime');
  variable_del('simplesamlphp_auth_debug');
  variable_del('simplesamlphp_auth_registerusers');
  variable_del('simplesamlphp_auth_allowsetdrupalpwd');
  variable_del('simplesamlphp_auth_allowdefaultlogin');
  variable_del('simplesamlphp_auth_allowdefaultloginroles');
  variable_del('simplesamlphp_auth_allowdefaultloginusers');
  variable_del('simplesamlphp_auth_login_link_display_name');
  variable_del('simplesamlphp_auth_logoutgotourl');
  variable_del('simplesamlphp_auth_autoenablesaml');
}

/**
 * Implements hook_requirements().
 */
function simplesamlphp_auth_requirements($phase) {
  $t = get_t();
  $requirements = array();

  if ($phase == 'runtime') {
    if (!variable_get('simplesamlphp_auth_activate', 0)) {
      $requirements['simplesamlphp_auth'] = array(
        'severity'    => REQUIREMENT_WARNING,
        'title'       => 'SimpleSAMLphp auth',
        'value'       => $t('SimpleSAMLphp authentication is NOT activated'),
        'description' => $t('It can be activated on the !admin_page.', array('!admin_page' => l($t('configuration page'), 'admin/config/people/simplesamlphp_auth'))),
      );
    }

    $basedir = variable_get('simplesamlphp_auth_installdir', '/usr/share/simplesamlphp');
    if (!file_exists($basedir . '/lib/_autoload.php')) {
      $requirements['simplesamlphp_auth'] = array(
        'severity'    => REQUIREMENT_ERROR,
        'title'       => 'SimpleSAMLphp authentication',
        'value'       => $t('SimpleSAMLphp authentication is missing the required SimpleSAMLphp library.'),
        'description' => $t('Please download and install the !simplesamlphp library.', array('!simplesamlphp' => l($t('SimpleSAMLphp'), 'https://simplesamlphp.org/download'))),
      );
    }
    // SimpleSAMLphp is installed, lets autoload it
    else if (_simplesaml_auth_autoload()) {
      // If autoloading was successful we should have these variables.
      global $_simplesamlphp_auth_saml_config;
      global $_simplesamlphp_auth_saml_version;

      if (!empty($_simplesamlphp_auth_saml_version)) {
        $ver = explode('.', $_simplesamlphp_auth_saml_version);
        $requirements['simplesamlphp_auth_version'] = array(
          'title' => $t('SimpleSAMLphp authentication'),
          'value' => $_simplesamlphp_auth_saml_version,
        );
        if ($ver[0] < 1 || ($ver[0] == 1 && $ver[1] < 6)) {
          $requirements['simplesamlphp_auth_version']['description'] = $t('Your version of SimpleSAMLphp is too old. The minimum version is 1.6.');
          $requirements['simplesamlphp_auth_version']['severity'] = REQUIREMENT_ERROR;
        }
        else {
          $requirements['simplesamlphp_auth_version']['severity'] = REQUIREMENT_OK;
        }
      }
    }
  }

  return $requirements;
}