<?php

/**
 * access controls class
 *
 * @method null download
 */
if (!class_exists('access_controls')) {
	class access_controls {

		/**
		 * declare private variables
		 */
		private $app_name;
		private $app_uuid;
		private $permission_prefix;
		private $list_page;
		private $table;
		private $uuid_prefix;

		/**
		 * called when the object is created
		 */
		public function __construct() {

			//assign private variables
				$this->app_name = 'access_controls';
				$this->app_uuid = '1416a250-f6e1-4edc-91a6-5c9b883638fd';
				$this->permission_prefix = 'access_control_';
				$this->list_page = 'access_controls.php';
				$this->table = 'access_controls';
				$this->uuid_prefix = 'access_control_';

		}

		/**
		 * called when there are no references to a particular object
		 * unset the variables used in the class
		 */
		public function __destruct() {
			foreach ($this as $key => $value) {
				unset($this->$key);
			}
		}

		/**
		 * delete records
		 */
		public function delete($records) {
			if (permission_exists($this->permission_prefix.'delete')) {

				//add multi-lingual support
					$language = new text;
					$text = $language->get();

				//validate the token
					$token = new token;
					if (!$token->validate($_SERVER['PHP_SELF'])) {
						message::add($text['message-invalid_token'],'negative');
						header('Location: '.$this->list_page);
						exit;
					}

				//delete multiple records
					if (is_array($records) && @sizeof($records) != 0) {

						//build the delete array
							foreach($records as $x => $record) {
								if ($record['checked'] == 'true' && is_uuid($record['uuid'])) {
									$array[$this->table][$x][$this->uuid_prefix.'uuid'] = $record['uuid'];
									$array['access_control_nodes'][$x][$this->uuid_prefix.'uuid'] = $record['uuid'];
								}
							}

						//delete the checked rows
							if (is_array($array) && @sizeof($array) != 0) {

								//grant temporary permissions
									$p = new permissions;
									$p->add('access_control_node_delete', 'temp');

								//execute delete
									$database = new database;
									$database->app_name = $this->app_name;
									$database->app_uuid = $this->app_uuid;
									$database->delete($array);
									unset($array);

								//revoke temporary permissions
									$p->delete('access_control_node_delete', 'temp');

								//clear the cache
									$cache = new cache;
									$cache->delete("configuration:acl.conf");

								//create the event socket connection
									$fp = event_socket_create($_SESSION['event_socket_ip_address'], $_SESSION['event_socket_port'], $_SESSION['event_socket_password']);
									if ($fp) {
										event_socket_request($fp, "api reloadacl");
									}

								//set message
									message::add($text['message-delete']);
							}
							unset($records);
					}
			}
		}

		/**
		 * copy records
		 */
		public function copy($records) {
			if (permission_exists($this->permission_prefix.'add')) {

				//add multi-lingual support
					$language = new text;
					$text = $language->get();

				//validate the token
					$token = new token;
					if (!$token->validate($_SERVER['PHP_SELF'])) {
						message::add($text['message-invalid_token'],'negative');
						header('Location: '.$this->list_page);
						exit;
					}

				//copy the checked records
					if (is_array($records) && @sizeof($records) != 0) {

						//get checked records
							foreach($records as $x => $record) {
								if ($record['checked'] == 'true' && is_uuid($record['uuid'])) {
									$uuids[] = "'".$record['uuid']."'";
								}
							}

						//create insert array from existing data
							if (is_array($uuids) && @sizeof($uuids) != 0) {

								//primary table
									$sql = "select * from v_".$this->table." ";
									$sql .= "where ".$this->uuid_prefix."uuid in (".implode(', ', $uuids).") ";
									$database = new database;
									$rows = $database->select($sql, $parameters, 'all');
									if (is_array($rows) && @sizeof($rows) != 0) {
										$y = 0;
										foreach ($rows as $x => $row) {
											$primary_uuid = uuid();

											//copy data
												$array[$this->table][$x] = $row;

											//overwrite
												$array[$this->table][$x][$this->uuid_prefix.'uuid'] = $primary_uuid;
												$array[$this->table][$x]['access_control_description'] = trim($row['access_control_description'].' ('.$text['label-copy'].')');

											//nodes sub table
												$sql_2 = "select * from v_access_control_nodes where access_control_uuid = :access_control_uuid";
												$parameters_2['access_control_uuid'] = $row['access_control_uuid'];
												$database = new database;
												$rows_2 = $database->select($sql_2, $parameters_2, 'all');
												if (is_array($rows_2) && @sizeof($rows_2) != 0) {
													foreach ($rows_2 as $row_2) {

														//copy data
															$array['access_control_nodes'][$y] = $row_2;

														//overwrite
															$array['access_control_nodes'][$y]['access_control_node_uuid'] = uuid();
															$array['access_control_nodes'][$y]['access_control_uuid'] = $primary_uuid;

														//increment
															$y++;

													}
												}
												unset($sql_2, $parameters_2, $rows_2, $row_2);
										}
									}
									unset($sql, $parameters, $rows, $row);
							}

						//save the changes and set the message
							if (is_array($array) && @sizeof($array) != 0) {

								//grant temporary permissions
									$p = new permissions;
									$p->add('access_control_node_add', 'temp');

								//save the array
									$database = new database;
									$database->app_name = $this->app_name;
									$database->app_uuid = $this->app_uuid;
									$database->save($array);
									unset($array);

								//revoke temporary permissions
									$p->delete('access_control_node_add', 'temp');

								//clear the cache
									$cache = new cache;
									$cache->delete("configuration:acl.conf");

								//create the event socket connection
									$fp = event_socket_create($_SESSION['event_socket_ip_address'], $_SESSION['event_socket_port'], $_SESSION['event_socket_password']);
									if ($fp) {
										event_socket_request($fp, "api reloadacl");
									}

								//set message
									message::add($text['message-copy']);

							}
							unset($records);
					}

			}
		}

	}
}

?>