add cookie wait endpoint

README.md

@@ -6,6 +6,7 @@ A Node.js service that automates Chromium to bypass **Cloudflare IUAM** and **Tu
 
 - **Cloudflare IUAM Bypass**: Automatically solves "I'm Under Attack Mode" challenges super fast within 3.337 seconds 💖
 - **Turnstile Challenge Solver**: Handles Cloudflare Turnstile captchas
+- **Generic Cookie Waiter**: Opens a page, waits for a named cookie, and returns it
 - **Proxy Support**: Full HTTP proxy integration with authentication
 - **Smart Timeout**: 20-second timeout with graceful null responses
 - **Browser Management**: Concurrent browser limit control
@@ -110,6 +111,48 @@ Bypass Cloudflare protection and get cookies/tokens.
 }
 ```
 
+### POST /cookie
+
+Open a page and wait for a specific cookie to appear.
+
+#### Request Body
+```json
+{
+  "domain": "https://example.com/",
+  "cookieName": "session_id"
+}
+```
+
+#### Parameters
+- **`domain`** (required): Target website URL
+- **`cookieName`** (required): Cookie name to wait for
+- **`user_agent`** (optional): User-Agent to use for the browser session
+- **`proxy`** (optional): Proxy configuration object
+
+#### Response (Success)
+```json
+{
+  "cookie_name": "session_id",
+  "cookie_value": "abc123",
+  "cookie_domain": ".example.com",
+  "cookie_path": "/",
+  "http_only": true,
+  "secure": true,
+  "user_agent": "Mozilla/5.0...",
+  "elapsed_time": 1.42
+}
+```
+
+#### Response (No Cookie Found)
+```json
+{
+  "cookie_name": "session_id",
+  "cookie_value": null,
+  "user_agent": "Mozilla/5.0...",
+  "elapsed_time": 60.0
+}
+```
+
 ## 🌐 Proxy Configuration
 
 The service supports HTTP proxies with authentication:
@@ -141,6 +184,7 @@ python api_test.py
 cf-bypass/
 ├── endpoints/
 │   ├── cloudflare.js    # IUAM bypass logic
+│   ├── cookie.js        # Generic cookie waiter
 │   └── turnstile.js     # Turnstile solver
 ├── cache/
 │   └── cache.json       # Response cache

api_test.py

@@ -12,15 +12,24 @@ async def main():
         )
         print(resp1.json())
 
-        resp2 = await client.post(
-            "http://localhost:8080/cloudflare",
-            json={
-                "domain": "https://lksfy.com/",
-                "siteKey": "0x4AAAAAAA49NnPZwQijgRoi",
-                "mode": "turnstile",
-            },
-        )
-        print(resp2.json())
+        resp2 = await client.post(
+            "http://localhost:8080/cloudflare",
+            json={
+                "domain": "https://lksfy.com/",
+                "siteKey": "0x4AAAAAAA49NnPZwQijgRoi",
+                "mode": "turnstile",
+            },
+        )
+        print(resp2.json())
+
+        resp3 = await client.post(
+            "http://localhost:8080/cookie",
+            json={
+                "domain": "https://example.com/",
+                "cookieName": "session_id",
+            },
+        )
+        print(resp3.json())
 
 if __name__ == "__main__":
     asyncio.run(main())

endpoints/cookie.js

@@ -0,0 +1,62 @@
+function sleep(ms) {
+  return new Promise((resolve) => setTimeout(resolve, ms))
+}
+
+function logBrowserCookies({ domain, cookieName, cookies }) {
+  console.log(
+    `[cookie] Browser cookies before return for ${domain} (${cookieName}): ${JSON.stringify(cookies)}`
+  )
+}
+
+async function waitForCookie({ domain, proxy, cookieName }, page) {
+  if (!domain) throw new Error("Missing domain parameter")
+  if (!cookieName) throw new Error("Missing cookieName parameter")
+
+  const timeout = global.timeOut || 60000
+  const pollInterval = 250
+  const startTime = Date.now()
+
+  if (proxy?.username && proxy?.password) {
+    await page.authenticate({
+      username: proxy.username,
+      password: proxy.password,
+    })
+  }
+
+  await page.goto(domain, { waitUntil: "domcontentloaded" })
+
+  const userAgent = await page.evaluate(() => navigator.userAgent)
+
+  while (Date.now() - startTime < timeout) {
+    const cookies = await page.cookies()
+    const match = cookies.find((cookie) => cookie.name === cookieName)
+
+    if (match) {
+      logBrowserCookies({ domain, cookieName, cookies })
+      return {
+        cookie_name: match.name,
+        cookie_value: match.value,
+        cookie_domain: match.domain,
+        cookie_path: match.path,
+        http_only: match.httpOnly,
+        secure: match.secure,
+        user_agent: userAgent,
+        elapsed_time: (Date.now() - startTime) / 1000,
+      }
+    }
+
+    await sleep(pollInterval)
+  }
+
+  const cookies = await page.cookies()
+  logBrowserCookies({ domain, cookieName, cookies })
+
+  return {
+    cookie_name: cookieName,
+    cookie_value: null,
+    user_agent: userAgent,
+    elapsed_time: (Date.now() - startTime) / 1000,
+  }
+}
+
+module.exports = waitForCookie

index.js

@@ -91,6 +91,7 @@ async function createBrowser(proxyServer = null) {
 
 const turnstile = require('./endpoints/turnstile')
 const cloudflare = require('./endpoints/cloudflare')
+const waitForCookie = require('./endpoints/cookie')
 
 app.post('/cloudflare', async (req, res) => {
   const data = req.body
@@ -167,6 +168,52 @@ app.post('/cloudflare', async (req, res) => {
   res.status(result.code ?? 200).json(result)
 })
 
+app.post('/cookie', async (req, res) => {
+  const data = req.body
+  if (!data || typeof data.domain !== 'string' || typeof data.cookieName !== 'string') {
+    return res.status(400).json({ message: 'Bad Request: missing or invalid domain/cookieName' })
+  }
+  if (data.user_agent && typeof data.user_agent !== 'string') {
+    return res.status(400).json({ message: 'Bad Request: invalid user_agent' })
+  }
+  if (authToken && data.authToken !== authToken) {
+    return res.status(401).json({ message: 'Unauthorized' })
+  }
+
+  if (global.browserLimit <= 0) {
+    return res.status(429).json({ message: 'Too Many Requests' })
+  }
+
+  global.browserLimit--
+  let result
+  let browser, page
+
+  try {
+    const proxyServer = data.proxy ? `${data.proxy.hostname}:${data.proxy.port}` : null
+    const ctx = await createBrowser(proxyServer)
+    browser = ctx.browser
+    page = ctx.page
+
+    await page.goto('about:blank')
+    if (data.user_agent) {
+      await page.setUserAgent(data.user_agent)
+    }
+
+    result = await waitForCookie(data, page)
+      .then((cookie) => ({ ...cookie }))
+      .catch((err) => ({ code: 500, message: err.message }))
+  } catch (err) {
+    result = { code: 500, message: err.message }
+  } finally {
+    if (browser) {
+      try { await browser.close() } catch {}
+    }
+    global.browserLimit++
+  }
+
+  res.status(result.code ?? 200).json(result)
+})
+
 app.use((req, res) => {
   res.status(404).json({ message: 'Not Found' })
 })