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Editing File: /home/tplkfrt/www/wp-content/plugins/wordfence/modules/login-security/classes/controller/db.php

<?php

namespace WordfenceLS;

use RuntimeException;

class Controller_DB {
	const TABLE_2FA_SECRETS = 'wfls_2fa_secrets';
	const TABLE_SETTINGS = 'wfls_settings';
	const TABLE_ROLE_COUNTS = 'wfls_role_counts';
	const TABLE_ROLE_COUNTS_TEMPORARY = 'wfls_role_counts_temporary';

private function create_table($name, $definition, $temporary = false) {
		global $wpdb;
		if (is_array($definition)) {
			foreach ($definition as $attempt) {
				if ($this->create_table($name, $attempt, $temporary))
					return true;
			}
			return false;
		}
		else {
			return $wpdb->query('CREATE ' . ($temporary ? 'TEMPORARY ' : '') . 'TABLE IF NOT EXISTS `' . self::network_table($name) . '` ' . $definition);
		}
	}

private function create_temporary_table($name, $definition) {
		if (Controller_Settings::shared()->get_bool(Controller_Settings::OPTION_DISABLE_TEMPORARY_TABLES))
			return false;
		if ($this->create_table($name, $definition, true))
			return true;
		Controller_Settings::shared()->set(Controller_Settings::OPTION_DISABLE_TEMPORARY_TABLES, true);
		return false;
	}

private function get_role_counts_table_definition($engine = null) {
		$engineClause = $engine === null ? '' : "ENGINE={$engine}";
		return <<<SQL
				(
				serialized_roles VARBINARY(255) NOT NULL,
				two_factor_inactive TINYINT(1) NOT NULL,
				user_count BIGINT(20) UNSIGNED NOT NULL DEFAULT 0,
				PRIMARY KEY (serialized_roles, two_factor_inactive)
				) {$engineClause};
SQL;
	}

private function get_role_counts_table_definition_options() {
		return array(
			$this->get_role_counts_table_definition('MEMORY'),
			$this->get_role_counts_table_definition('MyISAM'),
			$this->get_role_counts_table_definition()
		);
	}
	
	protected function _create_schema() {
		$tables = array(
			self::TABLE_2FA_SECRETS => '(
  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `user_id` bigint(20) unsigned NOT NULL,
  `secret` tinyblob NOT NULL,
  `recovery` blob NOT NULL,
  `ctime` int(10) unsigned NOT NULL,
  `vtime` int(10) unsigned NOT NULL,
  `mode` enum(\'authenticator\') NOT NULL DEFAULT \'authenticator\',
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;',
			self::TABLE_SETTINGS => '(
  `name` varchar(191) NOT NULL DEFAULT \'\',
  `value` longblob,
  `autoload` enum(\'no\',\'yes\') NOT NULL DEFAULT \'yes\',
  PRIMARY KEY (`name`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;',
			self::TABLE_ROLE_COUNTS => $this->get_role_counts_table_definition_options()
		);
		
		foreach ($tables as $table => $def) {
			$this->create_table($table, $def);
		}

Controller_Settings::shared()->set(Controller_Settings::OPTION_SCHEMA_VERSION, self::SCHEMA_VERSION);
	}

public function require_schema_version($version) {
		$current = Controller_Settings::shared()->get_int(Controller_Settings::OPTION_SCHEMA_VERSION);
		if ($current < $version) {
			$this->install();
		}
	}

public function query($query) {
		global $wpdb;
		if ($wpdb->query($query) === false)
			throw new RuntimeException("Failed to execute query: {$query}");
	}

public function get_wpdb() {
		global $wpdb;
		return $wpdb;
	}

public function create_temporary_role_counts_table() {
		return $this->create_temporary_table(self::TABLE_ROLE_COUNTS_TEMPORARY, $this->get_role_counts_table_definition_options());
	}

}

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