43 lines
1.4 KiB
TypeScript
43 lines
1.4 KiB
TypeScript
/*
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* Copyright (C) 2026 Fluxer Contributors
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*
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* This file is part of Fluxer.
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*
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* Fluxer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Fluxer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
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*/
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import {lookupGeoipByIp} from '@fluxer/geoip/src/GeoipLookup';
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import {extractClientIp} from '@fluxer/ip_utils/src/ClientIp';
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export interface GeoIpConfig {
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geoipDbPath: string;
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trustCfConnectingIp: boolean;
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}
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const DEFAULT_COUNTRY_CODE = 'US';
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export async function getCountryCode(req: Request, config: GeoIpConfig): Promise<string> {
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if (!config.geoipDbPath) {
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return DEFAULT_COUNTRY_CODE;
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}
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const ip = extractClientIp(req, {trustCfConnectingIp: config.trustCfConnectingIp});
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if (!ip) {
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return DEFAULT_COUNTRY_CODE;
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}
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const result = await lookupGeoipByIp(ip, config.geoipDbPath);
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return result.countryCode ?? DEFAULT_COUNTRY_CODE;
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}
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