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How did these sneak in?

This commit is contained in:
Tony Garnock-Jones 2023-10-18 14:15:41 +02:00
parent 836d06aca2
commit d076761f87
3 changed files with 0 additions and 478 deletions
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11
packages/service/src.ts/example.ts
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import * as __SYNDICATE__ from "@syndicate-lang/core";
/// SPDX-License-Identifier: GPL-3.0-or-later
/// SPDX-FileCopyrightText: Copyright © 2023 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
import { stringify } from '@syndicate-lang/core';
import { service } from './index.js';
service(args => {
console.log('+', stringify(args));
__SYNDICATE__.Turn.activeFacet.onStop(() => { console.log('-', stringify(args)); });
});

32
packages/service/src.ts/index.ts
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import * as __SYNDICATE__ from "@syndicate-lang/core";
/// SPDX-License-Identifier: GPL-3.0-or-later
/// SPDX-FileCopyrightText: Copyright © 2023 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
import { Actor, AnyValue, Relay, Turn, assertionFacetObserver } from "@syndicate-lang/core";
import * as process from 'process';
export interface ServiceOptions {
redirectConsole?: boolean;
debug?: boolean;
trustPeer?: boolean;
}
export function service(handler: (args: AnyValue) => void, options?: ServiceOptions): Actor {
if (options?.redirectConsole ?? true) {
console.info = console.log = console.warn;
}
return Actor.boot(() => {
const facet = Turn.activeFacet;
facet.preventInertCheck();
facet.actor.atExit(() => process.exit((facet.actor.exitReason?.ok ?? false) ? 0 : 1));
new Relay.Relay(Object.assign({
packetWriter: (bs: Uint8Array) => process.stdout.write(bs),
setup(r: Relay.Relay) {
process.stdin.on('data', bs => facet.turn(() => r.accept(new Uint8Array(bs))));
process.stdin.on('close', () => facet.turn(() => { __SYNDICATE__.Turn.active._stop(__SYNDICATE__.Turn.activeFacet, () => {}); }));
process.stdin.on('end', () => facet.turn(() => { __SYNDICATE__.Turn.active._stop(__SYNDICATE__.Turn.activeFacet, () => {}); }));
},
initialRef: Turn.ref(assertionFacetObserver(handler)),
}, options ?? {}));
});
}

435
packages/ws-relay/src.ts/index.ts
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import * as __SYNDICATE__ from "@syndicate-lang/core";
/// SPDX-License-Identifier: GPL-3.0-or-later
/// SPDX-FileCopyrightText: Copyright © 2016-2023 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
import {
Assertion,
Bytes,
Dataflow,
Embedded,
IdentitySet,
Observe,
QuasiValue as Q,
Ref,
Relay,
Schemas,
Supervisor,
Turn,
assertionFacetObserver,
canonicalEncode,
fromJS,
isEmbedded,
stringify,
underlying,
} from "@syndicate-lang/core";
import G = Schemas.gatekeeper;
import S = Schemas.sturdy;
import N = Schemas.noise;
import T = Schemas.transportAddress;
import * as SaltyCrypto from 'salty-crypto';
type TransportState = {
addr: T.WebSocket,
control: Ref,
peer: Ref,
};
export function boot(ds: Ref, debug: boolean = false) {
__SYNDICATE__.Turn.active._spawn(() => { __SYNDICATE__.Turn.activeFacet.actor.name = 'transportConnector';
(((currentSyndicateTarget: __SYNDICATE__.Ref) => {
__SYNDICATE__.Turn.active.assertDataflow(() => ({ target: currentSyndicateTarget, assertion: __SYNDICATE__.Observe({
pattern: __SYNDICATE__.QuasiValue.finish((__SYNDICATE__.QuasiValue.ctor(Observe, (__SYNDICATE__.QuasiValue.dict(["pattern", (__SYNDICATE__.QuasiValue.quote((__SYNDICATE__.QuasiValue.ctor(G.TransportConnection, (__SYNDICATE__.QuasiValue.dict(["addr", (__SYNDICATE__.QuasiValue.unquote((__SYNDICATE__.QuasiValue.bind((__SYNDICATE__.QuasiValue._)))))], ["control", (__SYNDICATE__.QuasiValue.unquote((__SYNDICATE__.QuasiValue._)))], ["resolved", (__SYNDICATE__.QuasiValue.unquote((__SYNDICATE__.QuasiValue._)))]))))))]))))),
observer: __SYNDICATE__.Turn.ref(__SYNDICATE__.assertionFacetObserver(
(__vs: __SYNDICATE__.AnyValue) => {
if (Array.isArray(__vs)) {
const addrPatValue = __vs[0];
const addr = Q.drop_lit(addrPatValue, T.toWebSocket);
if (!addr) return;
let counter =0;
Supervisor.always(() => ['transportConnector', fromJS(addr), counter++], () => {
console.log('connecting', addr.url, counter);
connectTo(addr);
});
}
}
))
}) }));
})(ds));
});
function connectTo(addr: T.WebSocket) {
const facet = Turn.activeFacet;
facet.preventInertCheck();
const controlEntity = {
message(a0: Assertion): void {
const a = G.toTransportControl(a0);
if (!a) return;
__SYNDICATE__.Turn.active._stop(__SYNDICATE__.Turn.activeFacet, () => {}); // ForceDisconnect
},
};
let final = false;
function succeed(ws: WebSocket) {
if (final) return;
final = true;
console.log('opened', ws);
__SYNDICATE__.Turn.activeFacet.onStop(() => {
console.log('closing', ws);
ws.close();
});
ws.onclose = () => facet.turn(() => { __SYNDICATE__.Turn.active._stop(__SYNDICATE__.Turn.activeFacet, () => {}); });
ws.onerror = () => facet.turn(() =>
Turn.active.crash(new Error("WebSocket error")));
const relay = new Relay.Relay({
debug,
trustPeer: true,
packetWriter: bs => ws.send(bs),
setup(r: Relay.Relay) {
ws.onmessage = e => facet.turn(() =>
r.accept(new Uint8Array(e.data)));
},
initialOid: 0,
});
console.log('succeed', addr.url);
(((currentSyndicateTarget: __SYNDICATE__.Ref) => {
__SYNDICATE__.Turn.active.assertDataflow(() => ({ target: currentSyndicateTarget, assertion: G.TransportConnection<Ref>({
"addr": fromJS(addr),
"control": __SYNDICATE__.Turn.ref(controlEntity),
"resolved": G.Resolved.accepted(relay.peer!),
}) }));
})(ds));
}
function fail(detail: Assertion) {
if (final) return;
final = true;
console.log('fail', addr.url, detail);
(((currentSyndicateTarget: __SYNDICATE__.Ref) => {
__SYNDICATE__.Turn.active.assertDataflow(() => ({ target: currentSyndicateTarget, assertion: G.TransportConnection<Ref>({
"addr": fromJS(addr),
"control": __SYNDICATE__.Turn.ref(controlEntity),
"resolved": G.Resolved.Rejected(G.Rejected(detail)),
}) }));
})(ds));
setTimeout(() => facet.turn(() => { __SYNDICATE__.Turn.active._stop(__SYNDICATE__.Turn.activeFacet, () => {}); }), 10000);
}
try {
const ws = new WebSocket(addr.url);
ws.binaryType = 'arraybuffer';
ws.onopen = () => facet.turn(() => succeed(ws));
ws.onclose = () => facet.turn(() => fail(Symbol.for('closed')));
ws.onerror = () => facet.turn(() => fail(Symbol.for('websocket-error-event')));
} catch (e) {
console.error('Failed opening websocket', addr.url, e);
fail(Symbol.for('websocket-exception'));
}
}
__SYNDICATE__.Turn.active._spawn(() => { __SYNDICATE__.Turn.activeFacet.actor.name = 'pathResolver';
(((currentSyndicateTarget: __SYNDICATE__.Ref) => {
__SYNDICATE__.Turn.active.assertDataflow(() => ({ target: currentSyndicateTarget, assertion: __SYNDICATE__.Observe({
pattern: __SYNDICATE__.QuasiValue.finish((__SYNDICATE__.QuasiValue.ctor(Observe, (__SYNDICATE__.QuasiValue.dict(["pattern", (__SYNDICATE__.QuasiValue.quote((__SYNDICATE__.QuasiValue.ctor(G.ResolvePath, (__SYNDICATE__.QuasiValue.dict(["route", (__SYNDICATE__.QuasiValue.unquote((__SYNDICATE__.QuasiValue.bind((__SYNDICATE__.QuasiValue._)))))], ["addr", (__SYNDICATE__.QuasiValue.unquote((__SYNDICATE__.QuasiValue._)))], ["control", (__SYNDICATE__.QuasiValue.unquote((__SYNDICATE__.QuasiValue._)))], ["resolved", (__SYNDICATE__.QuasiValue.unquote((__SYNDICATE__.QuasiValue._)))]))))))]))))),
observer: __SYNDICATE__.Turn.ref(__SYNDICATE__.assertionFacetObserver(
(__vs: __SYNDICATE__.AnyValue) => {
if (Array.isArray(__vs)) {
const routePatValue = __vs[0];
const route = Q.drop_lit(routePatValue, G.toRoute);
if (!route) return;
const candidates = __SYNDICATE__.Turn.active.field<IdentitySet<TransportState>>(new IdentitySet(), "candidates");
route.transports.forEach(t => {
const addr = T.toWebSocket(t);
if (!addr) return;
console.log('tracking', addr.url);
__SYNDICATE__.Turn.active.assertDataflow(() => ({ target: currentSyndicateTarget, assertion: __SYNDICATE__.Observe({
pattern: __SYNDICATE__.QuasiValue.finish((__SYNDICATE__.QuasiValue.ctor(G.TransportConnection, (__SYNDICATE__.QuasiValue.dict(["addr", (__SYNDICATE__.QuasiValue.lit(__SYNDICATE__.fromJS(addr)))], ["control", (__SYNDICATE__.QuasiValue.bind((__SYNDICATE__.QuasiValue._)))], ["resolved", (__SYNDICATE__.QuasiValue.ctor(G.Resolved.accepted, (__SYNDICATE__.QuasiValue.bind((__SYNDICATE__.QuasiValue._)))))]))))),
observer: __SYNDICATE__.Turn.ref(__SYNDICATE__.assertionFacetObserver(
(__vs: __SYNDICATE__.AnyValue) => {
if (Array.isArray(__vs)) {
const __v_0 = Embedded.__from_preserve__(__vs[0]);
if (__v_0 === void 0) return;
const control_e = __v_0;
const __v_1 = Embedded.__from_preserve__(__vs[1]);
if (__v_1 === void 0) return;
const peer_e = __v_1;
const entry = {
addr,
control: control_e.embeddedValue,
peer: peer_e.embeddedValue,
};
candidates.value.add(entry);
candidates.changed();
__SYNDICATE__.Turn.activeFacet.onStop(() => {
candidates.value.delete(entry);
candidates.changed();
});
}
}
))
}) }));
});
const best = __SYNDICATE__.Turn.active.field<TransportState | null>(null, "best");
const rootPeer = __SYNDICATE__.Turn.active.field<Ref | null>(null, "rootPeer");
__SYNDICATE__.Turn.active._dataflow(() => {
best.value = null;
for (const c of candidates.value) {
best.value = c;
break;
}
rootPeer.value = best.value?.peer ?? null;
});
resolve(() => rootPeer.value, route.pathSteps, (r) => {
console.log('leaf', best.value?.addr?.url);
__SYNDICATE__.Turn.active.assertDataflow(() => (r())
? ({ target: currentSyndicateTarget, assertion: G.ResolvePath<Ref>({
"route": route,
"addr": fromJS(best.value!.addr),
"control": best.value!.control,
"resolved": r()!
}) })
: ({ target: void 0, assertion: void 0 }));
});
}
}
))
}) }));
})(ds));
});
function resolve(
e: () => Ref | null,
steps: G.PathStep[],
k: (r: () => G.Resolved | null) => void,
) {
if (steps.length === 0) {
k(() => {
const peer = e();
return peer === null ? null : G.Resolved.accepted(peer);
});
} else {
const [step, ...more] = steps;
(((currentSyndicateTarget: __SYNDICATE__.Ref) => {
__SYNDICATE__.Turn.active.assertDataflow(() => (e())
? ({ target: currentSyndicateTarget, assertion: __SYNDICATE__.Observe({
pattern: __SYNDICATE__.QuasiValue.finish((__SYNDICATE__.QuasiValue.ctor(G.ResolvedPathStep, (__SYNDICATE__.QuasiValue.dict(["origin", (__SYNDICATE__.QuasiValue.lit(__SYNDICATE__.fromJS((e()!))))], ["pathStep", (__SYNDICATE__.QuasiValue.lit(__SYNDICATE__.fromJS(step)))], ["resolved", (__SYNDICATE__.QuasiValue.bind((__SYNDICATE__.QuasiValue._)))]))))),
observer: __SYNDICATE__.Turn.ref(__SYNDICATE__.assertionFacetObserver(
(__vs: __SYNDICATE__.AnyValue) => {
if (Array.isArray(__vs)) {
const __v_0 = G.Resolved.__from_preserve__(__vs[0]);
if (__v_0 === void 0) return;
const resolved = __v_0;
switch (resolved._variant) {
case "accepted":
resolve(() => resolved.responderSession, more, k);
break;
case "Rejected":
k(() => resolved);
break;
}
}
}
))
}) })
: ({ target: void 0, assertion: void 0 }));
})(ds));
}
}
__SYNDICATE__.Turn.active._spawn(() => { __SYNDICATE__.Turn.activeFacet.actor.name = 'noiseStep';
(((currentSyndicateTarget: __SYNDICATE__.Ref) => {
__SYNDICATE__.Turn.active.assertDataflow(() => ({ target: currentSyndicateTarget, assertion: __SYNDICATE__.Observe({
pattern: __SYNDICATE__.QuasiValue.finish((__SYNDICATE__.QuasiValue.ctor(Observe, (__SYNDICATE__.QuasiValue.dict(["pattern", (__SYNDICATE__.QuasiValue.quote((__SYNDICATE__.QuasiValue.ctor(G.ResolvedPathStep, (__SYNDICATE__.QuasiValue.dict(["origin", (__SYNDICATE__.QuasiValue.unquote((__SYNDICATE__.QuasiValue.bind((__SYNDICATE__.QuasiValue._)))))], ["pathStep", (__SYNDICATE__.QuasiValue.ctor(G.PathStep, (__SYNDICATE__.QuasiValue.dict(["stepType", (__SYNDICATE__.QuasiValue.lit(__SYNDICATE__.fromJS(N.$noise)))], ["detail", (__SYNDICATE__.QuasiValue.unquote((__SYNDICATE__.QuasiValue.bind((__SYNDICATE__.QuasiValue._)))))]))))], ["resolved", (__SYNDICATE__.QuasiValue.unquote((__SYNDICATE__.QuasiValue._)))]))))))]))))),
observer: __SYNDICATE__.Turn.ref(__SYNDICATE__.assertionFacetObserver(
(__vs: __SYNDICATE__.AnyValue) => {
if (Array.isArray(__vs)) {
const originPatValue = __vs[0];
const detailPatValue = __vs[1];
const origin0 = Q.drop_lit(originPatValue);
if (!origin0 || !isEmbedded(origin0)) return;
const origin = origin0.embeddedValue;
const detail0 = Q.drop_lit(detailPatValue, N.toNoisePathStepDetail);
if (!detail0) return;
const spec: N.NoiseSpec<Ref> = detail0;
const algorithms = SaltyCrypto.Noise_25519_ChaChaPoly_BLAKE2s;
const protocol =
spec.protocol._variant === "present" ? spec.protocol.protocol :
spec.protocol._variant === "absent" ? N.fromDefaultProtocol(N.DefaultProtocol()) as string :
(() => { throw new Error("Invalid noise protocol name"); })();
const patternName = SaltyCrypto.matchPattern(algorithms, protocol);
if (patternName === null) throw new Error("Unsupported protocol " + protocol);
const preSharedKeys =
spec.preSharedKeys._variant === "present" ? spec.preSharedKeys.preSharedKeys :
spec.preSharedKeys._variant === "absent" ? [] :
(() => { throw new Error("Invalid pre-shared keys"); })();
const prologue = underlying(canonicalEncode(spec.service));
const H = new SaltyCrypto.Handshake(
algorithms,
patternName,
'initiator',
{
prologue,
remoteStaticPublicKey: underlying(spec.key),
preSharedKeys: preSharedKeys.map(underlying),
});
let transportState: SaltyCrypto.TransportState | null = null;
let responderSession: Ref | null = null;
let relay: Relay.Relay | null = null;
function maybeTransition(s: SaltyCrypto.TransportState | null) {
if (transportState !== null) {
throw new Error("Unexpected double-transition to transport state");
}
transportState = s;
if (transportState !== null) {
const noiseSessionFacet = Turn.activeFacet;
const peer = new Relay.Relay({
debug,
trustPeer: true,
packetWriter: bs => noiseSessionFacet.turn(() => {
const fragments = transportState!.send.encrypt_large(bs).map(Bytes.from);
(((currentSyndicateTarget: __SYNDICATE__.Ref) => {
__SYNDICATE__.Turn.active.message(currentSyndicateTarget, ((fragments.length === 1)
? N.Packet.complete(fragments[0])
: N.Packet.fragmented(fragments)));
})(responderSession!));
}),
setup(r: Relay.Relay) {
relay = r;
},
initialOid: 0,
}).peer!;
__SYNDICATE__.Turn.active.assertDataflow(() => ({ target: currentSyndicateTarget, assertion: G.ResolvedPathStep<Ref>({
"origin": origin,
"pathStep": G.PathStep({
"stepType": N.$noise,
"detail": fromJS(spec),
}),
"resolved": G.Resolved.accepted(peer),
}) }));
}
}
__SYNDICATE__.Turn.active.facet(() => {
(((currentSyndicateTarget: __SYNDICATE__.Ref) => {
__SYNDICATE__.Turn.active.assertDataflow(() => ({ target: currentSyndicateTarget, assertion: G.Resolve({
"step": G.Step({
"stepType": N.$noise,
"detail": fromJS(N.ServiceSelector(spec.service)),
}),
"observer": __SYNDICATE__.Turn.ref(({
... assertionFacetObserver(e => {
const response = G.toResolved(e);
if (!response) return;
switch (response._variant) {
case "accepted":
responderSession = response.responderSession;
const { packet, finished } = H.writeMessage(new Uint8Array());
(((currentSyndicateTarget: __SYNDICATE__.Ref) => {
__SYNDICATE__.Turn.active.message(currentSyndicateTarget, Bytes.from(packet));
})(responderSession));
maybeTransition(finished);
break;
case "Rejected":
__SYNDICATE__.Turn.active._stop(__SYNDICATE__.Turn.activeFacet, () => {
(((currentSyndicateTarget: __SYNDICATE__.Ref) => {
__SYNDICATE__.Turn.active.assertDataflow(() => ({ target: currentSyndicateTarget, assertion: G.ResolvedPathStep<Ref>({
"origin": origin,
"pathStep": G.PathStep({
"stepType": N.$noise,
"detail": fromJS(N.NoisePathStepDetail(spec)),
}),
"resolved": response,
}) }));
})(ds));
});
}
}),
message(body: Assertion) {
const p = N.asPacket(body);
if (transportState) {
const packet = transportState.recv.decrypt_large(
p._variant === 'complete'
? [underlying(p.value)]
: p.value.map(underlying));
relay!.accept(packet);
} else {
if (p._variant !== 'complete') {
throw new Error("Unexpected fragmentation in handshake");
}
const { message, finished } = H.readMessage(underlying(p.value));
if (message.byteLength !== 0) {
throw new Error("Unexpected payload during handshake");
}
maybeTransition(finished);
}
},
})),
}) }));
})(origin));
});
}
}
))
}) }));
})(ds));
});
__SYNDICATE__.Turn.active._spawn(() => { __SYNDICATE__.Turn.activeFacet.actor.name = 'sturdyRefStep';
(((currentSyndicateTarget: __SYNDICATE__.Ref) => {
__SYNDICATE__.Turn.active.assertDataflow(() => ({ target: currentSyndicateTarget, assertion: __SYNDICATE__.Observe({
pattern: __SYNDICATE__.QuasiValue.finish((__SYNDICATE__.QuasiValue.ctor(Observe, (__SYNDICATE__.QuasiValue.dict(["pattern", (__SYNDICATE__.QuasiValue.quote((__SYNDICATE__.QuasiValue.ctor(G.ResolvedPathStep, (__SYNDICATE__.QuasiValue.dict(["origin", (__SYNDICATE__.QuasiValue.unquote((__SYNDICATE__.QuasiValue.bind((__SYNDICATE__.QuasiValue._)))))], ["pathStep", (__SYNDICATE__.QuasiValue.ctor(G.PathStep, (__SYNDICATE__.QuasiValue.dict(["stepType", (__SYNDICATE__.QuasiValue.lit(__SYNDICATE__.fromJS(S.$ref)))], ["detail", (__SYNDICATE__.QuasiValue.unquote((__SYNDICATE__.QuasiValue.bind((__SYNDICATE__.QuasiValue._)))))]))))], ["resolved", (__SYNDICATE__.QuasiValue.unquote((__SYNDICATE__.QuasiValue._)))]))))))]))))),
observer: __SYNDICATE__.Turn.ref(__SYNDICATE__.assertionFacetObserver(
(__vs: __SYNDICATE__.AnyValue) => {
if (Array.isArray(__vs)) {
const originPatValue = __vs[0];
const detailPatValue = __vs[1];
const origin0 = Q.drop_lit(originPatValue);
if (!origin0 || !isEmbedded(origin0)) return;
const origin = origin0.embeddedValue;
const detail0 = Q.drop_lit(detailPatValue, S.toSturdyPathStepDetail);
if (!detail0) return;
const parameters: S.Parameters = detail0;
(((currentSyndicateTarget: __SYNDICATE__.Ref) => {
__SYNDICATE__.Turn.active.assertDataflow(() => ({ target: currentSyndicateTarget, assertion: G.Resolve({
"step": G.Step({
"stepType": S.$ref,
"detail": fromJS(parameters),
}),
"observer": __SYNDICATE__.Turn.ref(assertionFacetObserver(e => {
const response = G.toResolved(e);
if (!response) return;
(((currentSyndicateTarget: __SYNDICATE__.Ref) => {
__SYNDICATE__.Turn.active.assertDataflow(() => ({ target: currentSyndicateTarget, assertion: G.ResolvedPathStep<Ref>({
"origin": origin,
"pathStep": G.PathStep({
"stepType": S.$ref,
"detail": fromJS(parameters),
}),
"resolved": response,
}) }));
})(ds));
})),
}) }));
})(origin));
}
}
))
}) }));
})(ds));
});
}