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import os from "node:os";
import path from "node:path";
import {
DisconnectReason,
fetchLatestBaileysVersion,
makeCacheableSignalKeyStore,
makeWASocket,
useMultiFileAuthState,
} from "baileys";
import type { proto } from "baileys";
import pino from "pino";
import qrcode from "qrcode-terminal";
import { danger, info, logVerbose, success } from "./globals.js";
import { ensureDir, jidToE164, toWhatsappJid } from "./utils.js";
const WA_WEB_AUTH_DIR = path.join(os.homedir(), ".warelay", "waweb");
export async function createWaSocket(printQr: boolean, verbose: boolean) {
await ensureDir(WA_WEB_AUTH_DIR);
const { state, saveCreds } = await useMultiFileAuthState(WA_WEB_AUTH_DIR);
const { version } = await fetchLatestBaileysVersion();
const logger = pino({ level: verbose ? "info" : "silent" });
const sock = makeWASocket({
auth: {
creds: state.creds,
keys: makeCacheableSignalKeyStore(state.keys, logger),
},
version,
logger,
printQRInTerminal: false,
browser: ["Warelay", "CLI", "1.0.0"],
syncFullHistory: false,
markOnlineOnConnect: false,
});
sock.ev.on("creds.update", saveCreds);
sock.ev.on(
"connection.update",
(update: Partial<import("baileys").ConnectionState>) => {
const { connection, lastDisconnect, qr } = update;
Iif (qr && printQr) {
console.log("Scan this QR in WhatsApp (Linked Devices):");
qrcode.generate(qr, { small: true });
}
Iif (connection === "close") {
const status = getStatusCode(lastDisconnect?.error);
if (status === DisconnectReason.loggedOut) {
console.error(
danger("WhatsApp session logged out. Run: warelay web:login"),
);
}
}
Iif (connection === "open" && verbose) {
console.log(success("WhatsApp Web connected."));
}
},
);
return sock;
}
export async function waitForWaConnection(sock: ReturnType<typeof makeWASocket>) {
return new Promise<void>((resolve, reject) => {
type OffCapable = {
off?: (event: string, listener: (...args: unknown[]) => void) => void;
};
const evWithOff = sock.ev as unknown as OffCapable;
const handler = (...args: unknown[]) => {
const update = (args[0] ?? {}) as Partial<import("baileys").ConnectionState>;
if (update.connection === "open") {
evWithOff.off?.("connection.update", handler);
resolve();
}
if (update.connection === "close") {
evWithOff.off?.("connection.update", handler);
reject(update.lastDisconnect ?? new Error("Connection closed"));
}
};
sock.ev.on("connection.update", handler);
});
}
export async function sendMessageWeb(
to: string,
body: string,
options: { verbose: boolean },
) {
const sock = await createWaSocket(false, options.verbose);
try {
await waitForWaConnection(sock);
const jid = toWhatsappJid(to);
try {
await sock.sendPresenceUpdate("composing", jid);
} catch (err) {
logVerbose(`Presence update skipped: ${String(err)}`);
}
const result = await sock.sendMessage(jid, { text: body });
const messageId = result?.key?.id ?? "unknown";
console.log(success(`✅ Sent via web session. Message ID: ${messageId} -> ${jid}`));
} finally {
try {
sock.ws?.close();
} catch (err) {
logVerbose(`Socket close failed: ${String(err)}`);
}
}
}
export async function loginWeb(
verbose: boolean,
waitForConnection: typeof waitForWaConnection = waitForWaConnection,
) {
const sock = await createWaSocket(true, verbose);
console.log(info("Waiting for WhatsApp connection..."));
try {
await waitForConnection(sock);
console.log(success("✅ Linked! Credentials saved for future sends."));
} catch (err) {
const code =
(err as { error?: { output?: { statusCode?: number } } })?.error?.output
?.statusCode ??
(err as { output?: { statusCode?: number } })?.output?.statusCode;
if (code === 515) {
console.log(
info(
"WhatsApp asked for a restart after pairing (code 515); creds are saved. You can now send with provider=web.",
),
);
return;
}
if (code === DisconnectReason.loggedOut) {
await fs.rm(WA_WEB_AUTH_DIR, { recursive: true, force: true });
console.error(
danger(
"WhatsApp reported the session is logged out. Cleared cached web session; please rerun warelay web:login and scan the QR again.",
),
);
throw new Error("Session logged out; cache cleared. Re-run web:login.");
}
const formatted = formatError(err);
console.error(
danger(
`WhatsApp Web connection ended before fully opening. ${formatted}`,
),
);
throw new Error(formatted);
} finally {
setTimeout(() => {
try {
sock.ws?.close();
} catch {
// ignore
}
}, 500);
}
}
export { WA_WEB_AUTH_DIR };
export type WebInboundMessage = {
id?: string;
from: string;
to: string;
body: string;
pushName?: string;
timestamp?: number;
sendComposing: () => Promise<void>;
reply: (text: string) => Promise<void>;
};
export async function monitorWebInbox(options: {
verbose: boolean;
onMessage: (msg: WebInboundMessage) => Promise<void>;
}) {
const sock = await createWaSocket(false, options.verbose);
await waitForWaConnection(sock);
const selfJid = sock.user?.id;
const selfE164 = selfJid ? jidToE164(selfJid) : null;
const seen = new Set<string>();
sock.ev.on("messages.upsert", async (upsert) => {
Iif (upsert.type !== "notify") return;
for (const msg of upsert.messages) {
const id = msg.key?.id ?? undefined;
// De-dupe on message id; Baileys can emit retries.
Iif (id && seen.has(id)) continue;
Eif (id) seen.add(id);
Iif (msg.key?.fromMe) continue;
const remoteJid = msg.key?.remoteJid;
Iif (!remoteJid) continue;
// Ignore status/broadcast traffic; we only care about direct chats.
Iif (remoteJid.endsWith("@status") || remoteJid.endsWith("@broadcast"))
continue;
const from = jidToE164(remoteJid);
Iif (!from) continue;
const body = extractText(msg.message);
Iif (!body) continue;
const chatJid = remoteJid;
const sendComposing = async () => {
try {
await sock.sendPresenceUpdate("composing", chatJid);
} catch (err) {
logVerbose(`Presence update failed: ${String(err)}`);
}
};
const reply = async (text: string) => {
await sock.sendMessage(chatJid, { text });
};
const timestamp = msg.messageTimestamp
? Number(msg.messageTimestamp) * 1000
: undefined;
try {
await options.onMessage({
id,
from,
to: selfE164 ?? "me",
body,
pushName: msg.pushName ?? undefined,
timestamp,
sendComposing,
reply,
});
} catch (err) {
console.error(danger(`Failed handling inbound web message: ${String(err)}`));
}
}
});
return {
close: async () => {
try {
sock.ws?.close();
} catch (err) {
logVerbose(`Socket close failed: ${String(err)}`);
}
},
};
}
function extractText(message: proto.IMessage | undefined): string | undefined {
Iif (!message) return undefined;
Eif (typeof message.conversation === "string" && message.conversation.trim()) {
return message.conversation.trim();
}
const extended = message.extendedTextMessage?.text;
Iif (extended?.trim()) return extended.trim();
const caption = message.imageMessage?.caption ?? message.videoMessage?.caption;
Iif (caption?.trim()) return caption.trim();
return undefined;
}
function getStatusCode(err: unknown) {
return (
(err as { output?: { statusCode?: number } })?.output?.statusCode ??
(err as { status?: number })?.status
);
}
function formatError(err: unknown): string {
if (err instanceof Error) return err.message;
if (typeof err === "string") return err;
const status = getStatusCode(err);
const code = (err as { code?: unknown })?.code;
if (status || code) return `status=${status ?? "unknown"} code=${code ?? "unknown"}`;
return String(err);
}
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