<?php
// $Id: ldap_servers.install,v 1.5.2.1 2011/02/08 06:01:00 johnbarclay Exp $

/**
 * @file
 * Install, update and uninstall functions for the LDAP API module.
 */


/**
 * Implements hook_install().
 */
function ldap_servers_install() {
  variable_set('ldap_servers_encryption', LDAP_SERVERS_ENC_TYPE_CLEARTEXT);
  variable_set('ldap_servers_require_ssl_for_credentails', 0);

  if (! ($key = variable_get('ldap_servers_encrypt_key', NULL))) {
 	module_load_include('inc', 'ldap_servers','ldap_servers.functions');
    ldap_server_module_load_include('inc', 'ldap_servers', 'ldap_servers.encryption');
    $key = ldap_servers_random_salt(10);
    variable_set('ldap_servers_encrypt_key', $key);
  }

}

/**
 * Implements hook_uninstall().
 */
function ldap_servers_uninstall() {
  variable_del('ldap_servers_encryption');
  variable_del('ldap_servers_require_ssl_for_credentails');
  variable_del('ldap_servers_encrypt_key');

}
/**
 * Implements hook_requirements().
 */
function ldap_servers_requirements($phase) {
  $requirements = array();
  $requirements['ldap_extension_loaded']['title'] = t('LDAP Extension Loaded');
  if (extension_loaded('ldap') && function_exists('ldap_search')) {
    $requirements['ldap_extension_loaded']['value'] = t('Passed');
    $requirements['ldap_extension_loaded']['severity'] = REQUIREMENT_OK;
  }
  else {
    $requirements['ldap_extension_loaded']['value'] = t('Failed');
    $requirements['ldap_extension_loaded']['severity'] = REQUIREMENT_ERROR;
    $requirements['ldap_extension_loaded']['description'] = t('No LDAP Extension is loaded for PHP, so LDAP will not work properly.');
  }

  if ($phase != "install" && db_table_exists('ldapauth')) {
    $requirements['ldap_servers_ldap_integration']['title'] = t('LDAP Integration LDAP Auth to LDAP Servers Upgrade Concern');
    $requirements['ldap_servers_ldap_integration']['severity'] = REQUIREMENT_WARNING;
    $requirements['ldap_servers_ldap_integration']['value'] = NULL;
    $requirements['ldap_servers_ldap_integration']['description'] = t('Upgrade from Drupal 6 LDAP Auth to Drupal 7
      LDAP Servers is not automatic.  LDAP Servers will need to be configured by hand.
      See http://drupal.org/node/1023016. This message will go away when the ldapauth database table is removed.');
  }
  // check that ldapauth not installed.
  return $requirements;
}

/**
 * Implements hook_schema().
 */
function ldap_servers_schema() {
  module_load_include('inc', 'ldap_servers','ldap_servers.functions');
  ldap_server_module_load_include('module', 'ldap_servers', 'ldap_servers'); // to get the LDAP_SERVERS_ENC_TYPE_CLEARTEXT constants issue#1209576
  ldap_server_module_load_include('php', 'ldap_servers', 'LdapServerAdmin.class');

  $schema['ldap_servers'] = array(
    'export' => array(
      'key' => 'sid',
      'key name' => 'Server ID',
      'primary key' => 'numeric_sid',
      'identifier' => 'ldap_servers_conf',
      'api' => array(
        'owner' => 'ldap_servers',
        'api' => 'ldap_servers',
        'minimum_version' => 1,
        'current_version' => 1,
        ),
      ),
    'primary key' => array('numeric_sid'),
    'unique keys' => array('name' => array('name')),
  );

  $fields = LdapServerAdmin::fields();
  foreach ($fields as $name => $props) {
    if (isset($props['schema'])) {
      $schema['ldap_servers']['fields'][$name] = $props['schema'];
    }
  }

  return $schema;

}

/**
 * rename ldap_servers type field to ldap_type
 */

function ldap_servers_update_7100() {

  db_change_field('ldap_servers', 'type', 'ldap_type', array(
    'type' => 'varchar',
    'length' => 20,
    'not null' => FALSE
  ));

  return t('ldap_servers table field "type" renamed to "ldap_type"');

}

/**
 * ldap_server table field changes
 */

function ldap_servers_update_7101() {

  db_add_field(
    'ldap_servers',
    'allow_conflicting_drupal_accts',
    array(
      'type' => 'int',
      'size' => 'tiny',
      'not null' => FALSE,
      'default' => 0,
    )
  );

  db_add_field(
    'ldap_servers',
    'unique_persistent_attr',
    array(
      'type' => 'varchar',
      'length' => '64',
      'not null' => FALSE,
    )
  );

  db_add_field(
    'ldap_servers',
    'mail_template',
    array(
      'type' => 'varchar',
      'length' => '255',
      'not null' => FALSE,
    )
  );

  db_change_field('ldap_servers', 'ldap_to_drupal_user', 'ldap_to_drupal_user', array(
    'type' => 'varchar',
    'length' => 1024,
    'not null' => FALSE
  ));

  db_change_field('ldap_servers', 'binddn', 'binddn', array(
    'type' => 'varchar',
    'length' => 511,
  ));


  return t('Updated LDAP Server to include "allow_conflicting_drupal_accts" and "unique_persistent_attr" fields.');
}


/**
 * add bind_method field to ldap_servers table
 */
function ldap_servers_update_7102() {

  if (!db_field_exists('ldap_servers', 'bind_method')) {
    db_add_field('ldap_servers', 'bind_method', array(
      'type' => 'int',
      'size' => 'tiny',
      'not null' => TRUE,
      'default' => 0,
    ));
    $msg = t('"bind_method" field added to ldap_servers table');
  }

  return ($msg) ? $msg :  t('No database changes made.');
}

/**
 * add group_object_category field to ldap_servers table
 */
function ldap_servers_update_7103() {

  if (!db_field_exists('ldap_servers', 'group_object_category')) {
    db_add_field('ldap_servers', 'group_object_category', array(
      'type' => 'varchar',
      'length' => 64,
      'not null' => FALSE,
    ));
    $msg = t('"group_object_category" field added to ldap_servers table');
  }

  return ($msg) ? $msg :  t('No database changes made.');
}


/**
 * add pagination fields to ldap_servers table
 */
function ldap_servers_update_7104() {

  if (!db_field_exists('ldap_servers', 'search_pagination')) {
    db_add_field('ldap_servers', 'search_pagination', array(
      'type' => 'int',
      'size' => 'tiny',
      'not null' => FALSE,
      'default' => 0,
    ));
    $msg = t('"search_pagination" field added to ldap_servers table');
  }

  if (!db_field_exists('ldap_servers', 'search_page_size')) {
    db_add_field('ldap_servers', 'search_page_size', array(
      'type' => 'int',
      'size' => 'medium',
      'not null' => FALSE,
      'default' => 1000,
    ));
    $msg .= '<br/>' . t('"search_page_size" field added to ldap_servers table');
  }

  return ($msg) ? $msg :  t('No database changes made.');
}


/**
 * add account_name_attr field to ldap_servers table
 */
function ldap_servers_update_7105() {
  if (!db_field_exists('ldap_servers', 'account_name_attr')) {
    db_add_field('ldap_servers', 'account_name_attr', array(
      'description' => 'The attribute to be used as the account name if not the user_attr',
      'type' => 'varchar',
      'length' => 255,
      'not null' => FALSE,
    ));
    $msg = t('"account_name_attr" field added to ldap_servers table');
  }

  return ($msg) ? $msg :  t('No database changes made.');
}


/**
 * Change ldap_servers "bind_method" field to small int.
 */
function ldap_servers_update_7106() {
  db_change_field('ldap_servers', 'bind_method', 'bind_method', array(
    'type' => 'int',
    'size' => 'small',
    'not null' => TRUE,
    'default' => 0,
    ));
  $msg = t('ldap_servers "bind_method" field changed to small int');

  return ($msg) ? $msg : t('No database changes made.');
}