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import os
import time
import uuid
import asyncio
import logging
from quart import Quart, request, jsonify
from camoufox.async_api import AsyncCamoufox


logging.basicConfig(
    level=logging.INFO,
    format='[%(asctime)s] [%(levelname)s] %(message)s',
    datefmt='%H:%M:%S',
)
logger = logging.getLogger("TurnstileSolver")


SECRET_TOKEN = os.environ.get("SOLVER_SECRET", "changeme_please_123")


HTML_TEMPLATE = """
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Turnstile Solver</title>
    <script src="https://challenges.cloudflare.com/turnstile/v0/api.js" async></script>
</head>
<body>
    <!-- cf turnstile -->
</body>
</html>
"""


class TurnstileSolver:
    def __init__(self, headless=True):
        self.headless = headless

    async def solve(self, url, sitekey, action=None, cdata=None, timeout=60):
        start = time.time()
        browser = None
        try:
            browser = await AsyncCamoufox(headless=self.headless).start()
            page = await browser.new_page()

            url_with_slash = url + "/" if not url.endswith("/") else url

            turnstile_div = f'<div class="cf-turnstile" data-sitekey="{sitekey}"'
            if action:
                turnstile_div += f' data-action="{action}"'
            if cdata:
                turnstile_div += f' data-cdata="{cdata}"'
            turnstile_div += '></div>'

            page_data = HTML_TEMPLATE.replace("<!-- cf turnstile -->", turnstile_div)

            await page.route(url_with_slash, lambda route: route.fulfill(body=page_data, status=200))
            await page.goto(url_with_slash)

            token = None
            for i in range(int(timeout / 2)):
                try:
                    val = await page.input_value("[name=cf-turnstile-response]", timeout=2000)
                    if val and len(val) > 20:
                        token = val
                        break
                    else:
                        try:
                            await page.click("//div[@class='cf-turnstile']", timeout=1000)
                        except Exception:
                            pass
                except Exception:
                    pass
                await asyncio.sleep(2)

            elapsed = round(time.time() - start, 3)

            if token:
                return {"status": "success", "value": token, "elapsed_time": elapsed}
            else:
                return {"status": "failure", "value": None, "elapsed_time": elapsed, "reason": "Timeout"}

        except Exception as e:
            return {"status": "error", "value": None, "elapsed_time": round(time.time() - start, 3), "reason": str(e)}
        finally:
            if browser:
                try:
                    await browser.close()
                except Exception:
                    pass


app = Quart(__name__)
results = {}
solver = TurnstileSolver(headless=True)


def check_auth():
    token = request.args.get("token")
    return token == SECRET_TOKEN


@app.route("/")
async def index():
    return jsonify({
        "service": "Turnstile Solver API",
        "status": "running",
        "endpoints": {
            "/turnstile": "GET ?url=...&sitekey=...&token=...",
            "/result": "GET ?id=...&token=...",
        },
    })


@app.route("/turnstile")
async def create_task():
    if not check_auth():
        return jsonify({"error": "Unauthorized"}), 401

    url = request.args.get("url")
    sitekey = request.args.get("sitekey")
    action = request.args.get("action")
    cdata = request.args.get("cdata")

    if not url or not sitekey:
        return jsonify({"error": "url and sitekey required"}), 400

    task_id = str(uuid.uuid4())
    results[task_id] = {"status": "pending"}

    async def run_solver():
        try:
            result = await solver.solve(url, sitekey, action, cdata)
            results[task_id] = result
        except Exception as e:
            results[task_id] = {"status": "error", "reason": str(e)}

    asyncio.create_task(run_solver())
    return jsonify({"task_id": task_id}), 202


@app.route("/result")
async def get_result():
    if not check_auth():
        return jsonify({"error": "Unauthorized"}), 401

    task_id = request.args.get("id")
    if not task_id or task_id not in results:
        return jsonify({"error": "invalid task_id"}), 400

    result = results[task_id]

    if result.get("status") == "pending":
        return jsonify({"status": "pending"}), 202
    elif result.get("status") == "success":
        return jsonify(result), 200
    else:
        return jsonify(result), 422