Fix fetchLatestWaWebVersion to bypass WhatsApp anti-bot detection with minimal headers (#1883)

* fix: fetchLatestWaWebVersion to curl

* fix: lint

* fix: fetchLatestWaWebVersion to bypass WhatsApp anti-bot detection with minimal headers

---------

Co-authored-by: João Lucas <jlucaso@hotmail.com>

src/Socket/groups.ts

@@ -66,6 +66,7 @@ export const makeGroupsSocket = (config: SocketConfig) => {
 				data[meta.id] = meta
 			}
 		}
+
 		// TODO: properly parse LID / PN DATA
 		sock.ev.emit('groups.update', Object.values(data))
 

src/Socket/messages-send.ts

@@ -699,7 +699,7 @@ export const makeMessagesSocket = (config: SocketConfig) => {
 				for (const device of devices) {
 					const deviceJid = device.jid
 					const hasKey = !!senderKeyMap[deviceJid]
-					if ((!hasKey || !!participant ) && !isJidHostedLidUser(deviceJid) && !isJidHostedPnUser(deviceJid)) {
+					if ((!hasKey || !!participant) && !isJidHostedLidUser(deviceJid) && !isJidHostedPnUser(deviceJid)) {
 						//todo: revamp all this logic
 						// the goal is to follow with what I said above for each group, and instead of a true false map of ids, we can set an array full of those the app has already sent pkmsgs
 						senderKeyRecipients.push(deviceJid)

src/Utils/generics.ts

@@ -274,11 +274,21 @@ export const fetchLatestBaileysVersion = async (options: RequestInit = {}) => {
  */
 export const fetchLatestWaWebVersion = async (options: RequestInit = {}) => {
 	try {
+		// Absolute minimal headers required to bypass anti-bot detection
+		const defaultHeaders = {
+			'sec-fetch-site': 'none',
+			'user-agent':
+				'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36'
+		}
+
+		const headers = { ...defaultHeaders, ...options.headers }
+
 		const response = await fetch('https://web.whatsapp.com/sw.js', {
-			dispatcher: options.dispatcher,
+			...options,
 			method: 'GET',
-			headers: options.headers
+			headers
 		})
+
 		if (!response.ok) {
 			throw new Boom(`Failed to fetch sw.js: ${response.statusText}`, { statusCode: response.status })
 		}

src/__tests__/e2e/fetch-wa-web-version.test-e2e.ts

@@ -0,0 +1,60 @@
+import { jest } from '@jest/globals'
+import { fetchLatestWaWebVersion } from '../../Utils/generics'
+
+describe('fetchLatestWaWebVersion Integration Tests', () => {
+	jest.setTimeout(10000)
+
+	it('should successfully fetch the latest WhatsApp Web version from real API', async () => {
+		const result = await fetchLatestWaWebVersion()
+
+		expect(Array.isArray(result.version)).toBe(true)
+		expect(result.version).toHaveLength(3)
+		expect(typeof result.version[0]).toBe('number')
+		expect(typeof result.version[1]).toBe('number')
+		expect(typeof result.version[2]).toBe('number')
+
+		expect(typeof result.isLatest).toBe('boolean')
+
+		if (!result.isLatest) {
+			expect(result.error).toBeDefined()
+		}
+	})
+
+	it('should handle custom headers correctly', async () => {
+		const customHeaders = {
+			accept:
+				'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7',
+			'accept-language': 'en-US,en;q=0.9',
+			'cache-control': 'max-age=0',
+			'sec-ch-prefers-color-scheme': 'dark',
+			'sec-fetch-dest': 'document',
+			'sec-fetch-mode': 'navigate',
+			'sec-fetch-site': 'none',
+			'upgrade-insecure-requests': '1'
+		}
+
+		const result = await fetchLatestWaWebVersion({
+			headers: customHeaders
+		})
+
+		expect(Array.isArray(result.version)).toBe(true)
+		expect(result.version).toHaveLength(3)
+		expect(result.isLatest).toBe(true)
+	})
+
+	it('should fallback gracefully when client_revision is not found', async () => {
+		const result = await fetchLatestWaWebVersion()
+
+		expect(result).toHaveProperty('version')
+		expect(result).toHaveProperty('isLatest')
+		expect(Array.isArray(result.version)).toBe(true)
+	})
+
+	it('should handle network timeouts gracefully', async () => {
+		const result = await fetchLatestWaWebVersion()
+
+		expect(result).toHaveProperty('version')
+		expect(result).toHaveProperty('isLatest')
+		expect(Array.isArray(result.version)).toBe(true)
+	})
+})