webchat: move serving to relay loopback and tunnel from mac app

This commit is contained in:
Peter Steinberger
2025-12-08 11:54:30 +01:00
parent dc69d20ec9
commit dc22661744
7 changed files with 387 additions and 331 deletions

View File

@@ -17,6 +17,7 @@ import {
setHeartbeatsEnabled,
type WebMonitorTuning,
} from "../provider-web.js";
import { startWebChatServer, getWebChatServer } from "../webchat/server.js";
import { defaultRuntime, type RuntimeEnv } from "../runtime.js";
import { VERSION } from "../version.js";
import {
@@ -818,5 +819,26 @@ Shows token usage per session when the agent reports it; set inbound.reply.agent
}
});
program
.command("webchat")
.description("Start or query the loopback-only web chat server")
.option("--port <port>", "Port to bind (default 18788)")
.option("--json", "Return JSON", false)
.action(async (opts) => {
const port = opts.port ? Number.parseInt(String(opts.port), 10) : undefined;
const server = await startWebChatServer(port);
const payload = {
port: server.port,
token: server.token ?? null,
basePath: "/webchat/",
host: "127.0.0.1",
};
if (opts.json) {
defaultRuntime.log(JSON.stringify(payload));
} else {
defaultRuntime.log(info(`webchat listening on http://127.0.0.1:${server.port}/webchat/`));
}
});
return program;
}

View File

@@ -1,3 +1,4 @@
// @ts-nocheck
import { Buffer } from "node:buffer";
import { apiThrottler } from "@grammyjs/transformer-throttler";
import type { ApiClientOptions, Message } from "grammy";
@@ -246,4 +247,3 @@ async function resolveMedia(
else if (msg.audio || msg.voice) placeholder = "<media:audio>";
return { path: saved.path, contentType: saved.contentType, placeholder };
}
// @ts-nocheck

View File

@@ -1,3 +1,4 @@
// @ts-nocheck
import { ProxyAgent } from "undici";
export function makeProxyFetch(proxyUrl: string): typeof fetch {
@@ -5,4 +6,3 @@ export function makeProxyFetch(proxyUrl: string): typeof fetch {
return (input: RequestInfo | URL, init?: RequestInit) =>
fetch(input, { ...(init ?? {}), dispatcher: agent });
}
// @ts-nocheck

View File

@@ -1,3 +1,4 @@
// @ts-nocheck
import { Bot, InputFile } from "grammy";
import { mediaKindFromMime } from "../media/constants.js";

218
src/webchat/server.ts Normal file
View File

@@ -0,0 +1,218 @@
import http from "node:http";
import path from "node:path";
import fs from "node:fs";
import os from "node:os";
import { fileURLToPath } from "node:url";
import crypto from "node:crypto";
import { loadConfig } from "../config/config.js";
import {
loadSessionStore,
resolveStorePath,
type SessionEntry,
} from "../config/sessions.js";
import { danger, info } from "../globals.js";
import { logDebug } from "../logger.js";
import { runCommandWithTimeout } from "../process/exec.js";
const WEBCHAT_DEFAULT_PORT = 18788;
type WebChatServerState = {
server: http.Server;
port: number;
token?: string;
};
let state: WebChatServerState | null = null;
function resolveWebRoot() {
const here = path.dirname(fileURLToPath(import.meta.url));
// repo-relative: apps/macos/Sources/Clawdis/Resources/WebChat
return path.resolve(here, "../../apps/macos/Sources/Clawdis/Resources/WebChat");
}
function readBody(req: http.IncomingMessage): Promise<Buffer> {
return new Promise((resolve, reject) => {
const chunks: Buffer[] = [];
req
.on("data", (c) => chunks.push(Buffer.isBuffer(c) ? c : Buffer.from(c)))
.on("end", () => resolve(Buffer.concat(chunks)))
.on("error", reject);
});
}
function pickSessionId(sessionKey: string, store: Record<string, SessionEntry>): string | null {
if (store[sessionKey]?.sessionId) return store[sessionKey].sessionId;
const first = Object.values(store)[0]?.sessionId;
return first ?? null;
}
function readSessionMessages(sessionId: string, storePath: string): any[] {
const dir = path.dirname(storePath);
const candidates = [path.join(dir, `${sessionId}.jsonl`), path.join(os.homedir(), ".tau/agent/sessions/clawdis", `${sessionId}.jsonl`)];
let content: string | null = null;
for (const p of candidates) {
if (fs.existsSync(p)) {
try {
content = fs.readFileSync(p, "utf-8");
break;
} catch {
// continue
}
}
}
if (!content) return [];
const messages: any[] = [];
for (const line of content.split(/\r?\n/)) {
if (!line.trim()) continue;
try {
const obj = JSON.parse(line);
const msg = obj.message ?? obj;
if (!msg?.role || !msg?.content) continue;
messages.push({ role: msg.role, content: msg.content });
} catch (err) {
logDebug(`webchat history parse error: ${String(err)}`);
}
}
return messages;
}
async function handleRpc(body: any, sessionKey: string): Promise<{ ok: boolean; payloads?: any[]; error?: string }> {
const text: string = (body?.text ?? "").toString();
if (!text.trim()) return { ok: false, error: "empty text" };
const cfg = loadConfig();
const replyCfg = cfg.inbound?.reply;
if (!replyCfg || replyCfg.mode !== "command") {
return { ok: false, error: "agent command mode not configured" };
}
const storePath = replyCfg.session?.store
? resolveStorePath(replyCfg.session.store)
: resolveStorePath(undefined);
const store = loadSessionStore(storePath);
const sessionId = pickSessionId(sessionKey, store) ?? crypto.randomUUID();
const cmd = ["clawdis", "agent", "--message", text, "--json", "--session-id", sessionId];
if (body?.thinking) cmd.push("--thinking", String(body.thinking));
if (body?.deliver) cmd.push("--deliver");
if (body?.to) cmd.push("--to", String(body.to));
try {
const { stdout, stderr, code } = await runCommandWithTimeout(cmd, {
timeoutMs: 120_000,
cwd: path.dirname(storePath),
});
if (code !== 0) {
return { ok: false, error: stderr.trim() || `agent exited ${code}` };
}
const parsed = JSON.parse(stdout || "{}");
return { ok: true, payloads: parsed.payloads ?? [] };
} catch (err) {
return { ok: false, error: String(err) };
}
}
function notFound(res: http.ServerResponse) {
res.statusCode = 404;
res.end("Not Found");
}
export async function startWebChatServer(port = WEBCHAT_DEFAULT_PORT, token?: string) {
if (state) return state;
const root = resolveWebRoot();
const server = http.createServer(async (req, res) => {
if (!req.url) return notFound(res);
// enforce loopback only
if (req.socket.remoteAddress && !req.socket.remoteAddress.startsWith("127.")) {
res.statusCode = 403;
res.end("loopback only");
return;
}
const url = new URL(req.url, "http://127.0.0.1");
if (url.pathname === "/webchat/info") {
const sessionKey = url.searchParams.get("session") ?? "main";
const cfg = loadConfig();
const sessionCfg = cfg.inbound?.reply?.session;
const storePath = sessionCfg?.store
? resolveStorePath(sessionCfg.store)
: resolveStorePath(undefined);
const store = loadSessionStore(storePath);
const sessionId = pickSessionId(sessionKey, store);
const messages = sessionId ? readSessionMessages(sessionId, storePath) : [];
res.setHeader("Content-Type", "application/json");
res.end(
JSON.stringify({
port,
token: token ?? null,
sessionKey,
storePath,
sessionId,
initialMessages: messages,
basePath: "/webchat/",
}),
);
return;
}
if (url.pathname === "/webchat/rpc" && req.method === "POST") {
const bodyBuf = await readBody(req);
let body: any = {};
try {
body = JSON.parse(bodyBuf.toString("utf-8"));
} catch {
// ignore
}
const sessionKey = body.session || "main";
const result = await handleRpc(body, sessionKey);
res.setHeader("Content-Type", "application/json");
res.end(JSON.stringify(result));
return;
}
if (url.pathname.startsWith("/webchat")) {
let rel = url.pathname.replace(/^\/webchat\/?/, "");
if (!rel || rel.endsWith("/")) rel = rel + "index.html";
const filePath = path.join(root, rel);
if (!filePath.startsWith(root)) return notFound(res);
if (!fs.existsSync(filePath)) return notFound(res);
const data = fs.readFileSync(filePath);
const ext = path.extname(filePath).toLowerCase();
const type =
ext === ".html"
? "text/html"
: ext === ".js"
? "application/javascript"
: ext === ".css"
? "text/css"
: "application/octet-stream";
res.setHeader("Content-Type", type);
res.end(data);
return;
}
notFound(res);
});
await new Promise<void>((resolve, reject) => {
server.once("error", reject);
server.listen(port, "127.0.0.1", () => resolve());
});
state = { server, port, token };
logDebug(info(`webchat server listening on 127.0.0.1:${port}`));
return state;
}
export function getWebChatServer(): WebChatServerState | null {
return state;
}
export async function stopWebChatServer() {
if (!state) return;
await new Promise<void>((resolve) => state?.server.close(() => resolve()));
state = null;
}