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<?php

/**

 * @file

 * Class to encapsulate an ldap entry to authorization consumer ids mapping configuration.

 *

 * This is the lightweight version of the class for use on logon etc.

 * the LdapAuthorizationConsumerConfAdmin extends this class and has save,

 * iterate, etc methods.

 */

/**

 * LDAP Authorization Consumer Configuration.

 */

class LdapAuthorizationConsumerConf {

  public $sid = NULL;

  public $server;

  public $consumerType = NULL;

  public $consumerModule = NULL;

  public $consumer = NULL;

  public $inDatabase = FALSE;

  public $numericConsumerConfId = NULL;

  public $description = NULL;

  public $status = NULL;

  public $onlyApplyToLdapAuthenticated = TRUE;

  public $useFirstAttrAsGroupId = FALSE;

  public $mappings = [];

  public $useMappingsAsFilter = TRUE;

  public $synchToLdap = FALSE;

  public $synchOnLogon = TRUE;

  public $revokeLdapProvisioned = TRUE;

  public $regrantLdapProvisioned = TRUE;

  public $createConsumers = TRUE;

  public $errorMsg = NULL;

  public $hasError = FALSE;

  public $errorName = NULL;

  /**

   *

   */

  public function clearError() {

    $this->hasError = FALSE;

    $this->errorMsg = NULL;

    $this->errorName = NULL;

  }

  /**

   * Constructor Method.

   */

  public function __construct(&$consumer, $_new = FALSE, $_sid = NULL) {

    $this->consumer = $consumer;

    $this->consumerType = $consumer->consumerType;

    if ($_new) {

      $this->inDatabase = FALSE;

    }

    else {

      $this->inDatabase = TRUE;

      $exists = $this->loadFromDb();

      if (!$exists) {

        watchdog('ldap_authorization', 'failed to load existing %consumer object', ['%consumer' => $consumer->consumerType], WATCHDOG_ERROR);

      }

    }

    // Default value for deriveFromEntryAttrMatchingUserAttr set up this way for backward compatibility in 1.0 branch,

    // make deriveFromEntryAttrMatchingUserAttr default to dn in 2.0 branch.

  }

  /**

   *

   */

  protected function loadFromDb() {

    if (module_exists('ctools')) {

      ctools_include('export');

      $result = ctools_export_load_object('ldap_authorization', 'names', [$this->consumerType]);

      // @todo, this is technically wrong, but I don't quite grok what we're doing in the non-ctools case - justintime

      $server_record = array_pop($result);

      // There's no ctools api call to get the reserved properties, so instead of hardcoding a list of them

      // here, we just grab everything.  Basically, we sacrifice a few bytes of RAM for forward-compatibility.

    }

    else {

      $select = db_select('ldap_authorization', 'ldap_authorization');

      $select->fields('ldap_authorization');

      $select->condition('ldap_authorization.consumer_type', $this->consumerType);

      $server_record = $select->execute()->fetchObject();

    }

    if (!$server_record) {

      $this->inDatabase = FALSE;

      return FALSE;

    }

    foreach ($this->field_to_properties_map() as $db_field_name => $property_name) {

      if (isset($server_record->$db_field_name)) {

        if (in_array($db_field_name, $this->field_to_properties_serialized())) {

          $this->{$property_name} = unserialize($server_record->$db_field_name);

        }

        else {

          $this->{$property_name} = $server_record->$db_field_name;

        }

      }

    }

    $this->numericConsumerConfId = isset($server_record->numeric_consumer_conf_id) ? $server_record->numeric_consumer_conf_id : NULL;

    $this->server = ldap_servers_get_servers($this->sid, NULL, TRUE);

    return TRUE;

  }

  /**

   * Direct mapping of db to object properties.

   */

  public static function field_to_properties_map() {

    return [

      'sid' => 'sid',

      'consumer_type' => 'consumerType',

      'numeric_consumer_conf_id'  => 'numericConsumerConfId',

      'status'  => 'status',

      'only_ldap_authenticated'  => 'onlyApplyToLdapAuthenticated',

      'use_first_attr_as_groupid'  => 'useFirstAttrAsGroupId',

      'mappings'  => 'mappings',

      'use_filter'  => 'useMappingsAsFilter',

      'synch_to_ldap' => 'synchToLdap',

      'synch_on_logon'  => 'synchOnLogon',

      'regrant_ldap_provisioned'  => 'regrantLdapProvisioned',

      'revoke_ldap_provisioned' => 'revokeLdapProvisioned',

      'create_consumers'  => 'createConsumers',

    ];

  }

  /**

   *

   */

  public static function field_to_properties_serialized() {

    return ['mappings'];

  }

  /**

   * Destructor Method.

   */

  public function __destruct() {

  }

  protected $_sid;

  protected $_new;

  /**

   *

   */

  protected function linesToArray($lines) {

    $lines = trim($lines);

    if ($lines) {

      $array = preg_split('/[\n\r]+/', $lines);

      foreach ($array as $i => $value) {

        $array[$i] = trim($value);

      }

    }

    else {

      $array = [];

    }

    return $array;

  }

  /**

   *

   */

  protected function pipeListToArray($mapping_list_txt, $make_item0_lowercase = FALSE) {

    $result_array = [];

    $mappings = preg_split('/[\n\r]+/', $mapping_list_txt);

    foreach ($mappings as $line) {

      if (count($mapping = explode('|', trim($line))) == 2) {

        $item_0 = ($make_item0_lowercase) ? drupal_strtolower(trim($mapping[0])) : trim($mapping[0]);

        $result_array[] = [$item_0, trim($mapping[1])];

      }

    }

    return $result_array;

  }

}