init

2026-06-15 19:42:03 +03:30
commit abff09dc0c
17 changed files with 1800 additions and 0 deletions
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+"""Stealth browser factory — bypasses Cloudflare/ArvanCloud bot detection."""
+from __future__ import annotations
+
+import random
+import time
+from contextlib import contextmanager
+from typing import Generator
+
+import undetected_chromedriver as uc
+from selenium.webdriver.chrome.options import Options
+from selenium_stealth import stealth
+
+from config import config
+
+_USER_AGENTS = [
+    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
+    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
+    "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36",
+]
+
+
+def _build_options(user_agent: str, headless: bool) -> Options:
+    opts = Options()
+    if headless:
+        opts.add_argument("--headless=new")
+    opts.add_argument(f"--user-agent={user_agent}")
+    opts.add_argument("--no-sandbox")
+    opts.add_argument("--disable-dev-shm-usage")
+    opts.add_argument("--disable-blink-features=AutomationControlled")
+    opts.add_argument("--disable-infobars")
+    opts.add_argument("--window-size=1920,1080")
+    opts.add_experimental_option("excludeSwitches", ["enable-automation"])
+    opts.add_experimental_option("useAutomationExtension", False)
+    if config.chrome_binary:
+        opts.binary_location = config.chrome_binary
+    return opts
+
+
+def make_driver(headless: bool | None = None) -> uc.Chrome:
+    """Return a stealthed undetected Chrome instance."""
+    use_headless = config.headless if headless is None else headless
+    ua = random.choice(_USER_AGENTS)
+    opts = _build_options(ua, use_headless)
+
+    driver = uc.Chrome(options=opts, use_subprocess=True)
+
+    stealth(
+        driver,
+        languages=["en-US", "en"],
+        vendor="Google Inc.",
+        platform="Win32",
+        webgl_vendor="Intel Inc.",
+        renderer="Intel Iris OpenGL Engine",
+        fix_hairline=True,
+    )
+
+    # Mask navigator.webdriver via CDP
+    driver.execute_cdp_cmd(
+        "Page.addScriptToEvaluateOnNewDocument",
+        {
+            "source": """
+                Object.defineProperty(navigator, 'webdriver', {get: () => undefined});
+                Object.defineProperty(navigator, 'plugins', {get: () => [1, 2, 3, 4, 5]});
+                Object.defineProperty(navigator, 'languages', {get: () => ['en-US', 'en']});
+            """
+        },
+    )
+    return driver
+
+
+@contextmanager
+def driver_session(headless: bool | None = None) -> Generator[uc.Chrome, None, None]:
+    """Context manager that guarantees driver.quit() on exit."""
+    driver = make_driver(headless)
+    try:
+        yield driver
+    finally:
+        driver.quit()
+
+
+def human_delay(lo: float = 0.8, hi: float = 2.5) -> None:
+    """Sleep for a random human-like interval."""
+    time.sleep(random.uniform(lo, hi))