150 lines
4.5 KiB
Python
150 lines
4.5 KiB
Python
import asyncio
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import logging
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import re
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from collections.abc import Callable
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from typing import Any
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import httpx
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from playwright.async_api import Browser, BrowserContext, Playwright, Request
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from .config import UA
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CLIENT = httpx.AsyncClient(
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timeout=5,
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follow_redirects=True,
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headers={"User-Agent": UA},
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)
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async def check_status(client: httpx.AsyncClient, url: str) -> bool:
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try:
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r = await client.get(url)
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r.raise_for_status()
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except Exception:
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return False
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return r.status_code == 200
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async def get_base(client: httpx.AsyncClient, mirrors: list[str]) -> str | None:
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tasks = [check_status(client, link) for link in mirrors]
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results = await asyncio.gather(*tasks)
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try:
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return [url for url, ok in zip(mirrors, results) if ok][0]
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except IndexError:
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return
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async def safe_process_event(
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fn: Callable,
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url_num: int,
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timeout: int | float = 20,
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log: logging.Logger | None = None,
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) -> Any | None:
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if not log:
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log = logging.getLogger(__name__)
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task = asyncio.create_task(fn())
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try:
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return await asyncio.wait_for(task, timeout=timeout)
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except asyncio.TimeoutError:
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log.warning(f"URL {url_num}) Timed out after {timeout}s, skipping event")
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task.cancel()
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try:
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await task
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except asyncio.CancelledError:
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pass
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except Exception as e:
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log.debug(f"URL {url_num}) Ignore exception after timeout: {e}")
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def capture_req(
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req: Request,
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captured: list[str],
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got_one: asyncio.Event,
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) -> None:
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valid_m3u8 = re.compile(r"^(?!.*(amazonaws|knitcdn)).*\.m3u8")
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if valid_m3u8.search(req.url):
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captured.append(req.url)
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got_one.set()
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async def new_browser(
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playwright: Playwright,
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browser: str = "firefox",
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ignore_https_errors: bool = False,
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) -> tuple[Browser, BrowserContext]:
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if browser == "brave":
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brwsr = await playwright.chromium.connect_over_cdp("http://localhost:9222")
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context = brwsr.contexts[0]
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else:
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brwsr = await playwright.firefox.launch(headless=True)
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context = await brwsr.new_context(
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user_agent=UA,
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ignore_https_errors=ignore_https_errors,
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viewport={"width": 1366, "height": 768},
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device_scale_factor=1,
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locale="en-US",
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timezone_id="America/New_York",
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color_scheme="dark",
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permissions=["geolocation"],
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extra_http_headers={
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"Accept-Language": "en-US,en;q=0.9",
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"Upgrade-Insecure-Requests": "1",
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},
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)
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await context.add_init_script(
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"""
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Object.defineProperty(navigator, 'webdriver', {get: () => undefined});
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Object.defineProperty(navigator, 'languages', {
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get: () => ['en-US', 'en']
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});
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Object.defineProperty(navigator, 'plugins', {
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get: () => [1, 2, 3, 4]
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});
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const elementDescriptor = Object.getOwnPropertyDescriptor(HTMLElement.prototype, 'offsetHeight');
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Object.defineProperty(HTMLDivElement.prototype, 'offsetHeight', {
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...elementDescriptor,
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get: function() {
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if (this.id === 'modernizr') { return 24; }
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return elementDescriptor.get.apply(this);
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}
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});
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Object.defineProperty(window.screen, 'width', { get: () => 1366 });
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Object.defineProperty(window.screen, 'height', { get: () => 768 });
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const getParameter = WebGLRenderingContext.prototype. getParameter;
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WebGLRenderingContext.prototype.getParameter = function (param) {
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if (param === 37445) return "Intel Inc."; // UNMASKED_VENDOR_WEBGL
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if (param === 37446) return "Intel Iris OpenGL Engine"; // UNMASKED_RENDERER_WEBGL
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return getParameter.apply(this, [param]);
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};
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const observer = new MutationObserver(mutations => {
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mutations.forEach(mutation => {
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mutation.addedNodes.forEach(node => {
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if (node.tagName === 'IFRAME' && node.hasAttribute('sandbox')) {
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node.removeAttribute('sandbox');
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}
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});
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});
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});
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observer.observe(document.documentElement, { childList: true, subtree: true });
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"""
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)
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return brwsr, context
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