2026-02-17 12:22:36 +00:00

98 lines
3.2 KiB
TypeScript

/*
* Copyright (C) 2026 Fluxer Contributors
*
* This file is part of Fluxer.
*
* Fluxer is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Fluxer 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
*/
import {Config} from '@app/Config';
import {shutdownInstrumentation} from '@app/Instrument';
import {Logger} from '@app/Logger';
import {createAppProxyApp} from '@fluxer/app_proxy/src/App';
import {buildFluxerCSPOptions} from '@fluxer/app_proxy/src/app_server/utils/CSP';
import {KVCacheProvider} from '@fluxer/cache/src/providers/KVCacheProvider';
import {createServiceTelemetry} from '@fluxer/hono/src/middleware/TelemetryAdapters';
import {createServer, setupGracefulShutdown} from '@fluxer/hono/src/Server';
import {KVClient} from '@fluxer/kv_client/src/KVClient';
import {throwKVRequiredError} from '@fluxer/rate_limit/src/KVRequiredError';
import {RateLimitService} from '@fluxer/rate_limit/src/RateLimitService';
const telemetry = createServiceTelemetry({
serviceName: 'fluxer-app-proxy',
skipPaths: ['/_health'],
});
let rateLimitService: RateLimitService | null = null;
async function main(): Promise<void> {
if (Config.kv.url) {
const kvClient = new KVClient({url: Config.kv.url, timeoutMs: Config.kv.timeout_ms});
const cacheService = new KVCacheProvider({client: kvClient});
rateLimitService = new RateLimitService(cacheService);
Logger.info({kvUrl: Config.kv.url}, 'KV-backed rate limiting enabled');
} else {
throwKVRequiredError({
serviceName: 'fluxer_app_proxy',
configPath: 'Config.kv.url',
});
}
const cspDirectives = buildFluxerCSPOptions({
sentryProxy: Config.sentry_proxy
? {
projectId: Config.sentry_proxy.project_id,
publicKey: Config.sentry_proxy.public_key,
targetUrl: Config.sentry_proxy.target_url,
pathPrefix: Config.sentry_proxy.path_prefix,
}
: null,
sentryProxyPath: Config.sentry_proxy_path,
sentryReportHost: Config.sentry_report_host,
});
const {app, shutdown} = await createAppProxyApp({
config: Config,
cspDirectives,
logger: Logger,
rateLimitService,
metricsCollector: telemetry.metricsCollector,
sentryProxyPath: Config.sentry_proxy_path,
staticCDNEndpoint: Config.static_cdn_endpoint,
staticDir: Config.assets_dir,
tracing: telemetry.tracing,
});
const port = Config.port;
Logger.info({port}, 'Starting Fluxer App Proxy');
const server = createServer(app, {port});
setupGracefulShutdown(
async () => {
await shutdown();
await shutdownInstrumentation();
await new Promise<void>((resolve) => {
server.close(() => resolve());
});
},
{logger: Logger},
);
}
main().catch((err) => {
Logger.fatal({error: err}, 'fatal error');
process.exit(1);
});