import json import logging from scrapling.core._types import Union, Callable, Optional, List, Dict from scrapling.engines.constants import DEFAULT_STEALTH_FLAGS, NSTBROWSER_DEFAULT_QUERY from scrapling.engines.toolbelt import ( Response, do_nothing, js_bypass_path, generate_headers, check_type_validity, construct_websocket_url, generate_convincing_referer, ) class PlaywrightEngine: def __init__( self, headless: Union[bool, str] = True, disable_resources: Optional[List] = None, useragent: Optional[str] = None, network_idle: Optional[bool] = False, timeout: Optional[float] = 30000, page_action: Callable = do_nothing, wait_selector: Optional[str] = None, wait_selector_state: Optional[str] = 'attached', stealth: bool = False, hide_canvas: bool = True, disable_webgl: bool = False, cdp_url: Optional[str] = None, nstbrowser_mode: bool = False, nstbrowser_config: Optional[Dict] = None, adaptor_arguments: Dict = None ): self.headless = headless self.disable_resources = disable_resources self.network_idle = bool(network_idle) self.stealth = bool(stealth) self.hide_canvas = bool(hide_canvas) self.disable_webgl = bool(disable_webgl) self.cdp_url = cdp_url self.useragent = useragent self.timeout = check_type_validity(timeout, [int, float], 30000) if callable(page_action): self.page_action = page_action else: self.page_action = do_nothing logging.error('[Ignored] Argument "page_action" must be callable') self.wait_selector = wait_selector self.wait_selector_state = wait_selector_state self.nstbrowser_mode = bool(nstbrowser_mode) self.nstbrowser_config = nstbrowser_config self.adaptor_arguments = adaptor_arguments if adaptor_arguments else {} def _cdp_url_logic(self, flags: Optional[dict] = None): cdp_url = self.cdp_url if self.nstbrowser_mode: if self.nstbrowser_config and type(self.nstbrowser_config) is Dict: config = self.nstbrowser_config else: query = NSTBROWSER_DEFAULT_QUERY.copy() if flags: query.update({ "args": dict(zip(flags, [''] * len(flags))), # browser args should be a dictionary }) config = { 'config': json.dumps(query), # 'token': '' } cdp_url = construct_websocket_url(cdp_url, config) return cdp_url def fetch(self, url) -> Response: if not self.stealth: from playwright.sync_api import sync_playwright else: from rebrowser_playwright.sync_api import sync_playwright with sync_playwright() as p: # Handle the UserAgent early if self.useragent: extra_headers = {} useragent = self.useragent else: extra_headers = generate_headers(browser_mode=True) useragent = extra_headers.get('User-Agent') # Prepare the flags before diving flags = DEFAULT_STEALTH_FLAGS if self.hide_canvas: flags += ['--fingerprinting-canvas-image-data-noise'] if self.disable_webgl: flags += ['--disable-webgl', '--disable-webgl-image-chromium', '--disable-webgl2'] # Creating the browser if self.cdp_url: cdp_url = self._cdp_url_logic(flags if self.stealth else None) browser = p.chromium.connect_over_cdp(endpoint_url=cdp_url) else: if self.stealth: browser = p.chromium.launch(headless=self.headless, args=flags, ignore_default_args=['--enable-automation'], chromium_sandbox=True) else: browser = p.chromium.launch(headless=self.headless, ignore_default_args=['--enable-automation']) # Creating the context if self.stealth: context = browser.new_context( locale='en-US', is_mobile=False, has_touch=False, color_scheme='dark', # Bypasses the 'prefersLightColor' check in creepjs user_agent=useragent, device_scale_factor=2, # I'm thinking about disabling it to rest from all Service Workers headache but let's keep it as it is for now service_workers="allow", ignore_https_errors=True, extra_http_headers=extra_headers, screen={"width": 1920, "height": 1080}, viewport={"width": 1920, "height": 1080}, permissions=["geolocation", 'notifications'], ) else: context = browser.new_context( color_scheme='dark', user_agent=useragent, device_scale_factor=2, extra_http_headers=extra_headers ) # Finally we are in business page = context.new_page() page.set_default_navigation_timeout(self.timeout) page.set_default_timeout(self.timeout) if self.stealth: # 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 page.add_init_script(path=js_bypass_path('webdriver_fully.js')) page.add_init_script(path=js_bypass_path('window_chrome.js')) page.add_init_script(path=js_bypass_path('navigator_plugins.js')) page.add_init_script(path=js_bypass_path('pdf_viewer.js')) page.add_init_script(path=js_bypass_path('notification_permission.js')) page.add_init_script(path=js_bypass_path('screen_props.js')) page.add_init_script(path=js_bypass_path('playwright_fingerprint.js')) res = page.goto(url, referer=generate_convincing_referer(url) if self.stealth else None) page.wait_for_load_state(state="load") page.wait_for_load_state(state="domcontentloaded") if self.network_idle: page.wait_for_load_state('networkidle') page = self.page_action(page) if self.wait_selector and type(self.wait_selector) is str: waiter = page.locator(self.wait_selector) waiter.wait_for(state=self.wait_selector_state) content_type = res.headers.get('content-type', '') # Parse charset from content-type encoding = 'utf-8' # default encoding if 'charset=' in content_type.lower(): encoding = content_type.lower().split('charset=')[-1].split(';')[0].strip() response = Response( url=res.url, text=res.text(), content=res.body(), status=res.status, reason=res.status_text, encoding=encoding, cookies={cookie['name']: cookie['value'] for cookie in page.context.cookies()}, headers=res.all_headers(), request_headers=res.request.all_headers(), adaptor_arguments=self.adaptor_arguments ) page.close() return response