Karim shoair
cfc667f7dc
- DynamicFetcher became 20% faster - StealthyFetcher became 99% faster - Scrapling size decreased - Code became ~400 lines shorter - Most importantly, scrapling is more stable and reliable now. - Less confusing for new users. - More...
61 lines
2.1 KiB
Python
61 lines
2.1 KiB
Python
from functools import lru_cache
|
|
|
|
from scrapling.core._types import Tuple
|
|
from scrapling.engines.constants import (
|
|
DEFAULT_STEALTH_FLAGS,
|
|
HARMFUL_DEFAULT_ARGS,
|
|
DEFAULT_FLAGS,
|
|
)
|
|
from scrapling.engines.toolbelt.navigation import js_bypass_path
|
|
from scrapling.engines.toolbelt.fingerprints import generate_headers
|
|
|
|
__default_useragent__ = generate_headers(browser_mode=True).get("User-Agent")
|
|
__default_chrome_useragent__ = generate_headers(browser_mode="chrome").get("User-Agent")
|
|
|
|
|
|
@lru_cache(1)
|
|
def _compiled_stealth_scripts():
|
|
"""Pre-read and compile stealth scripts"""
|
|
# Basic bypasses nothing fancy as I'm still working on it
|
|
# But with adding these bypasses to the above config, it bypasses many online tests like
|
|
# https://bot.sannysoft.com/
|
|
# https://kaliiiiiiiiii.github.io/brotector/
|
|
# https://pixelscan.net/
|
|
# https://iphey.com/
|
|
# https://www.browserscan.net/bot-detection <== this one also checks for the CDP runtime fingerprint
|
|
# https://arh.antoinevastel.com/bots/areyouheadless/
|
|
# https://prescience-data.github.io/execution-monitor.html
|
|
stealth_scripts_paths = tuple(
|
|
js_bypass_path(script)
|
|
for script in (
|
|
# Order is important
|
|
"webdriver_fully.js",
|
|
"window_chrome.js",
|
|
"navigator_plugins.js",
|
|
"notification_permission.js",
|
|
"screen_props.js",
|
|
"playwright_fingerprint.js",
|
|
)
|
|
)
|
|
scripts = []
|
|
for script_path in stealth_scripts_paths:
|
|
with open(script_path, "r") as f:
|
|
scripts.append(f.read())
|
|
return tuple(scripts)
|
|
|
|
|
|
@lru_cache(2, typed=True)
|
|
def _set_flags(hide_canvas, disable_webgl): # pragma: no cover
|
|
"""Returns the flags that will be used while launching the browser if stealth mode is enabled"""
|
|
flags = DEFAULT_STEALTH_FLAGS
|
|
if hide_canvas:
|
|
flags += ("--fingerprinting-canvas-image-data-noise",)
|
|
if disable_webgl:
|
|
flags += (
|
|
"--disable-webgl",
|
|
"--disable-webgl-image-chromium",
|
|
"--disable-webgl2",
|
|
)
|
|
|
|
return flags
|