<?php
namespace Fisharebest\Webtrees;

/**
 * webtrees: online genealogy
 * Copyright (C) 2015 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

// Update the database schema from version 17 to 18
// - add table to control site access

Database::exec(
	"CREATE TABLE IF NOT EXISTS `##site_access_rule` (" .
	" site_access_rule_id INTEGER          NOT NULL AUTO_INCREMENT," .
	" ip_address_start     INTEGER UNSIGNED NOT NULL DEFAULT 0," .
	" ip_address_end       INTEGER UNSIGNED NOT NULL DEFAULT 4294967295," .
	" user_agent_pattern   VARCHAR(255)     NOT NULL," .
	" rule                 ENUM('allow', 'deny', 'robot', 'unknown') NOT NULL DEFAULT 'unknown'," .
	" comment              VARCHAR(255)     NOT NULL," .
	" updated              TIMESTAMP        NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP," .
	" PRIMARY KEY     (site_access_rule_id)," .
	" UNIQUE  KEY ix1 (user_agent_pattern, ip_address_start, ip_address_end)," .
	"         KEY ix2 (ip_address_start)," .
	"         KEY ix3 (ip_address_end)," .
	"         KEY ix4 (rule)," .
	"         KEY ix5 (user_agent_pattern)," .
	"         KEY ix6 (updated)" .
	") ENGINE=InnoDB COLLATE=utf8_unicode_ci"
);

Database::exec(
	"INSERT IGNORE INTO `##site_access_rule` (user_agent_pattern, rule, comment) VALUES" .
	" ('Mozilla/5.0 (%) Gecko/% %/%', 'allow', 'Gecko-based browsers')," .
	" ('Mozilla/5.0 (%) AppleWebKit/% (KHTML, like Gecko)%', 'allow', 'WebKit-based browsers')," .
	" ('Opera/% (%) Presto/% Version/%', 'allow', 'Presto-based browsers')," .
	" ('Mozilla/% (compatible; MSIE %', 'allow', 'Trident-based browsers')," .
	" ('Mozilla/5.0 (compatible; Konqueror/%', 'allow', 'Konqueror browser')"
);

// Don't call "DROP TABLE IF EXISTS `##wt_ip_address`".
// We can’t easily/safely migrate the data, and the user may
// wish to migrate it manually.

// Update the version to indicate success
Site::setPreference($schema_name, $next_version);
