@push.rocks/smartdns
Version:
A robust TypeScript library providing advanced DNS management and resolution capabilities including support for DNSSEC, custom DNS servers, and integration with various DNS providers.
136 lines • 9.17 kB
JavaScript
import * as plugins from './plugins.js';
/**
* Bridge to the Rust DNS binary via smartrust IPC.
*/
export class RustDnsBridge extends plugins.events.EventEmitter {
constructor() {
super();
const packageDir = plugins.path.resolve(plugins.path.dirname(new URL(import.meta.url).pathname), '..');
// Determine platform suffix for dist_rust binaries (matches tsrust naming)
const platformSuffix = getPlatformSuffix();
const localPaths = [];
// dist_rust/ candidates (tsrust cross-compiled output, platform-specific)
if (platformSuffix) {
localPaths.push(plugins.path.join(packageDir, 'dist_rust', `rustdns_${platformSuffix}`));
}
// dist_rust/ without suffix (native build)
localPaths.push(plugins.path.join(packageDir, 'dist_rust', 'rustdns'));
// Local dev build paths
localPaths.push(plugins.path.join(packageDir, 'rust', 'target', 'release', 'rustdns'));
localPaths.push(plugins.path.join(packageDir, 'rust', 'target', 'debug', 'rustdns'));
this.bridge = new plugins.smartrust.RustBridge({
binaryName: 'rustdns',
cliArgs: ['--management'],
requestTimeoutMs: 30_000,
readyTimeoutMs: 10_000,
localPaths,
searchSystemPath: false,
});
// Forward events from inner bridge
this.bridge.on('management:dnsQuery', (data) => {
this.emit('dnsQuery', data);
});
this.bridge.on('management:started', () => {
this.emit('started');
});
this.bridge.on('management:stopped', () => {
this.emit('stopped');
});
this.bridge.on('management:error', (data) => {
this.emit('error', new Error(data.message));
});
this.bridge.on('stderr', (line) => {
// Forward Rust tracing output as debug logs
if (line.trim()) {
console.log(`[rustdns] ${line}`);
}
});
}
/**
* Spawn the Rust binary and wait for readiness.
*/
async spawn() {
return this.bridge.spawn();
}
/**
* Start the DNS server with given config.
*/
async startServer(config) {
await this.bridge.sendCommand('start', { config });
}
/**
* Stop the DNS server.
*/
async stopServer() {
await this.bridge.sendCommand('stop', {});
}
/**
* Send a DNS query result back to Rust.
*/
async sendQueryResult(correlationId, answers, answered) {
await this.bridge.sendCommand('dnsQueryResult', {
correlationId,
answers,
answered,
});
}
/**
* Update TLS certificates.
*/
async updateCerts(httpsKey, httpsCert) {
await this.bridge.sendCommand('updateCerts', { httpsKey, httpsCert });
}
/**
* Process a raw DNS packet via IPC (for manual/passthrough mode).
* Returns the DNS response as a Buffer.
*/
async processPacket(packet) {
const result = await this.bridge.sendCommand('processPacket', {
packet: packet.toString('base64'),
});
return Buffer.from(result.packet, 'base64');
}
/**
* Ping the Rust binary for health check.
*/
async ping() {
const result = await this.bridge.sendCommand('ping', {});
return result.pong;
}
/**
* Kill the Rust process.
*/
kill() {
this.bridge.kill();
}
/**
* Whether the bridge is running.
*/
get running() {
return this.bridge.running;
}
}
/**
* Get the tsrust platform suffix for the current platform.
* Matches the naming convention used by @git.zone/tsrust.
*/
function getPlatformSuffix() {
const platform = process.platform;
const arch = process.arch;
const platformMap = {
'linux': 'linux',
'darwin': 'macos',
'win32': 'windows',
};
const archMap = {
'x64': 'amd64',
'arm64': 'arm64',
};
const p = platformMap[platform];
const a = archMap[arch];
if (p && a) {
return `${p}_${a}`;
}
return null;
}
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