71 lines
2.7 KiB
TypeScript
71 lines
2.7 KiB
TypeScript
import { Actor, Handle, Turn } from './actor.js';
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import { Dataspace } from './dataspace.js';
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import { Relay, spawnRelay } from './relay.js';
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import * as net from 'net';
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import { mint, sturdyEncode, SturdyRef, validate, Resolve } from './sturdy.js';
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import { KEY_LENGTH } from './cryptography.js';
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import { attenuate } from './rewrite.js';
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import { Bytes, IdentityMap } from '@preserves/core';
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import { Attenuation, isResolve } from './gen/sturdy.js';
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const secretKey = new Bytes(KEY_LENGTH);
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mint('syndicate', secretKey).then(v => {
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console.log(v.asPreservesText());
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console.log(sturdyEncode(v).toHex());
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});
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Turn.for(new Actor(), t => {
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const ds = t.ref(new Dataspace());
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function spawnConnection(t: Turn, socket: net.Socket) {
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console.log('connection', socket.remoteAddress, socket.remotePort);
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spawnRelay(t, {
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packetWriter: bs => socket.write(bs),
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setup(t: Turn, r: Relay) {
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socket.on('error', err => t.freshen(t =>
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((err as any).code === 'ECONNRESET') ? t.quit() : t.crash(err)));
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socket.on('close', () => t.freshen(t => t.quit()));
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socket.on('end', () => t.freshen(t => t.quit()));
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socket.on('data', data => r.accept(data));
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t.actor.atExit(() => socket.destroy());
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},
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initialRef: t.ref({
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handleMap: new IdentityMap<Handle, Handle>(),
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async assert(t, a, h) {
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if (!isResolve(a)) return;
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const r = Resolve._.sturdyref(a);
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if (!await validate(r, secretKey)) {
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console.warn(`Invalid SturdyRef: ${r.asPreservesText()}`);
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return;
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}
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const cavs: Attenuation = [];
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SturdyRef._.caveatChain(r).forEach(cs => cavs.push(... cs));
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const attenuated_ds = attenuate(ds, ... cavs);
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t.freshen(t => this.handleMap.set(
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h,
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t.assert(Resolve._.observer(a), attenuated_ds)));
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},
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retract(t, h) {
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t.retract(this.handleMap.get(h));
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this.handleMap.delete(h);
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}
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}),
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// debug: true,
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});
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}
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t.spawn(t => {
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const server = net.createServer(socket => t.freshen(t => spawnConnection(t, socket)));
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server.on('error', err => t.freshen(t => t.crash(err)));
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server.listen(5999, '0.0.0.0', 512);
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t.actor.atExit(() => {
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try {
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server.close();
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} catch (e) {
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console.error(e);
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}
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});
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});
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});
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