import os
from functools import lru_cache as cache
from JAK.Utils import check_url_rules, get_current_path, bindings
from JAK.RequestInterceptor import Interceptor
if bindings() == "PyQt5":
from PyQt5.QtCore import QUrl, Qt
from PyQt5.QtWebEngineCore import QWebEngineUrlSchemeHandler
from PyQt5.QtWebEngineWidgets import QWebEngineView, QWebEngineProfile, QWebEnginePage, QWebEngineSettings
else:
from PySide2.QtCore import QUrl, Qt
from PySide2.QtWebEngineCore import QWebEngineUrlSchemeHandler
from PySide2.QtWebEngineWidgets import QWebEngineView, QWebEngineProfile, QWebEnginePage, QWebEngineSettings
@cache(maxsize=5)
def validate_url(self, url: str) -> None:
if "!doctype" in url.lower():
Inject HTML
base_url = get_current_path()
self.setHtml(url, QUrl(f"file://{base_url}/"))
print("Loading local HTML")
else:
if url.endswith(".html"):
HTML file
if not url.startswith("/"):
url = f"/{url}"
url = f"file://{url}"
elif "://" not in url:
HTML URL
url = f"https://{url}"
url = QUrl(url)
if url.isValid():
self.load(url)
print(f"Loading URL:{url.toString()}")
class IpcSchemeHandler(QWebEngineUrlSchemeHandler):
def __init__(self):
super().__init__()
def requestStarted(self, request):
url = request.requestUrl().toString()
if url.startswith("ipc:"):
from JAK.IPC import Communication
Communication().activate(url)
return
class JWebPage(QWebEnginePage):
def __init__(self, profile, webview, config):
self.config = config
super(JWebPage, self).__init__(profile, webview)
self.featurePermissionRequested.connect(self._on_feature_permission_requested)
Open url in a external browser
def _open_in_browser(self) -> None:
print("Open above^ tab in Browser")
from webbrowser import open_new_tab
open_new_tab(self.url)
Opens a dialog to confirm if user wants to open url in external browser
def _dialog_open_in_browser(self) -> None:
from JAK.Widgets import JCancelConfirmDialog
msg = "Open In Your Browser"
JCancelConfirmDialog(self.parent(), self.title(), msg, self._open_in_browser)
@cache(maxsize=10)
def acceptNavigationRequest(self, url, _type, is_main_frame) -> bool:
self.url = url.toString()
self.page = JWebPage(self.profile(), self.view(), self.config)
Redirect new tabs to same window
self.page.urlChanged.connect(self._on_url_changed)
dev_tools = f"http://127.0.0.1:{self.config['debug_port']}/"
if self.config["online"] and self.url != dev_tools:
if _type == QWebEnginePage.WebWindowType.WebBrowserTab:
if self.config["url_rules"]:
Check for URL rules on new tabs
if self.url.startswith(self.config["url_rules"]["WebBrowserTab"]):
self.open_window(self.url)
return False
elif check_url_rules("WebBrowserTab", self.url, self.config["url_rules"]):
print(f"Redirecting WebBrowserTab^ to same window")
return True
else:
print(f"Deny WebBrowserTab:{self.url}")
check against WebBrowserWindow list to avoid duplicate dialogs
if not check_url_rules("WebBrowserWindow", self.url, self.config["url_rules"]):
self._dialog_open_in_browser()
return False
else:
return True
elif _type == QWebEnginePage.WebBrowserBackgroundTab:
print(f"WebBrowserBackgroundTab request:{self.url}")
return True
elif _type == QWebEnginePage.WebBrowserWindow:
if self.config["url_rules"] and self.config["online"]:
Check URL rules on new windows
if check_url_rules("WebBrowserWindow", self.url, self.config["url_rules"]):
print(f"Deny WebBrowserWindow:{self.url}")
self._dialog_open_in_browser()
return False
else:
print(f"Allow WebBrowserWindow:{self.url}")
return True
else:
return True
elif _type == QWebEnginePage.WebDialog:
return True
return True
def _on_feature_permission_requested(self, security_origin, feature):
def grant_permission():
self.setFeaturePermission(security_origin, feature, self.PermissionGrantedByUser)
def deny_permission():
self.setFeaturePermission(security_origin, feature, self.PermissionDeniedByUser)
if feature == self.Notifications:
grant_permission()
elif feature == self.MediaAudioVideoCapture and self.config["MediaAudioVideoCapture"]:
grant_permission()
elif feature == self.MediaVideoCapture and self.config["MediaVideoCapture"]:
grant_permission()
elif feature == self.MediaAudioCapture and self.config["MediaAudioCapture"]:
grant_permission()
elif feature == self.Geolocation and self.config["Geolocation"]:
grant_permission()
elif feature == self.MouseLock and self.config["MouseLock"]:
grant_permission()
elif feature == self.DesktopVideoCapture and self.config["DesktopVideoCapture"]:
grant_permission()
elif feature == self.DesktopAudioVideoCapture and self.config["DesktopAudioVideoCapture"]:
grant_permission()
else:
deny_permission()
Open a New Window
def open_window(self, url):
FIXME cookies path needs to be declared for this to work
self.popup = JWebView(self.config)
self.popup.page().windowCloseRequested.connect(self.popup.close)
self.popup.show()
print(f"Opening New Window^")
@cache(maxsize=2)
def createWindow(self, _type: object) -> QWebEnginePage:
return self.page
def _on_url_changed(self, url: str) -> None:
url = url.toString()
if url == "about:blank":
return False
else:
validate_url(self, url)
class JWebView(QWebEngineView):
def __init__(self, config):
self.config = config
super(JWebView, self).__init__()
self.setAttribute(Qt.WA_DeleteOnClose, True)
self.profile = QWebEngineProfile.defaultProfile()
self.webpage = JWebPage(self.profile, self, config)
self.setPage(self.webpage)
if config["inject_JavaScript"]["JavaScript"]:
from JAK.Utils import JavaScript
JavaScript.inject(self.page(), config["inject_JavaScript"])
self.interceptor = Interceptor(config)
if config["user_agent"]:
Set user agent
self.profile.setHttpUserAgent(config["user_agent"])
if config["debug"]:
self.settings().setAttribute(QWebEngineSettings.XSSAuditingEnabled, True)
else:
self.setContextMenuPolicy(Qt.PreventContextMenu)
if config["transparent"]:
Activates background transparency
self.setAttribute(Qt.WA_TranslucentBackground)
self.page().setBackgroundColor(Qt.transparent)
self.setStyleSheet("background:transparent;")
print("Transparency detected, make sure you set [ body {background:transparent;} ]")
if self.config["JavascriptCanPaste"]:
self.settings().setAttribute(QWebEngineSettings.JavascriptCanPaste, True)
else:
self.settings().setAttribute(QWebEngineSettings.JavascriptCanPaste, False)
if self.config["PlaybackRequiresUserGesture"]:
self.settings().setAttribute(QWebEngineSettings.PlaybackRequiresUserGesture, True)
else:
self.settings().setAttribute(QWebEngineSettings.PlaybackRequiresUserGesture, False)
if self.config["FullScreenSupportEnabled"]:
self.settings().setAttribute(QWebEngineSettings.FullScreenSupportEnabled, True)
else:
self.settings().setAttribute(QWebEngineSettings.FullScreenSupportEnabled, False)
if self.config["AllowWindowActivationFromJavaScript"]:
self.settings().setAttribute(QWebEngineSettings.AllowWindowActivationFromJavaScript, True)
else:
self.settings().setAttribute(QWebEngineSettings.AllowWindowActivationFromJavaScript, False)
if self.config["LocalContentCanAccessRemoteUrls"]:
self.settings().setAttribute(QWebEngineSettings.LocalContentCanAccessRemoteUrls, True)
else:
self.settings().setAttribute(QWebEngineSettings.LocalContentCanAccessRemoteUrls, False)
if self.config["JavascriptCanAccessClipboard"]:
self.settings().setAttribute(QWebEngineSettings.JavascriptCanAccessClipboard, True)
else:
self.settings().setAttribute(QWebEngineSettings.JavascriptCanAccessClipboard, False)
if self.config["SpatialNavigationEnabled"]:
self.settings().setAttribute(QWebEngineSettings.SpatialNavigationEnabled, True)
else:
self.settings().setAttribute(QWebEngineSettings.SpatialNavigationEnabled, False)
if self.config["TouchIconsEnabled"]:
self.settings().setAttribute(QWebEngineSettings.TouchIconsEnabled, True)
else:
self.settings().setAttribute(QWebEngineSettings.TouchIconsEnabled, False)
if self.config["FocusOnNavigationEnabled"]:
self.settings().setAttribute(QWebEngineSettings.FocusOnNavigationEnabled, True)
else:
self.settings().setAttribute(QWebEngineSettings.FocusOnNavigationEnabled, False)
if config["online"]:
self.settings().setAttribute(QWebEngineSettings.DnsPrefetchEnabled, True)
print("Engine online (IPC) Disabled")
self.page().profile().downloadRequested.connect(self._download_requested)
Set persistent cookies
self.profile.setPersistentCookiesPolicy(QWebEngineProfile.ForcePersistentCookies)
set cookies on user folder
if config["cookies_path"]:
allow specific path per application.
_cookies_path = f"{os.getenv('HOME')}/.jak/{config['cookies_path']}"
else:
use separate cookies database per application
title = config["title"].lower().replace(" ", "-")
_cookies_path = f"{os.getenv('HOME')}/.jak/{title}"
self.profile.setPersistentStoragePath(_cookies_path)
print(f"Cookies PATH:{_cookies_path}")
else:
self.settings().setAttribute(QWebEngineSettings.ShowScrollBars, False)
print("Engine interprocess communication (IPC) up and running:")
self._ipc_scheme_handler = IpcSchemeHandler()
self.profile.installUrlSchemeHandler('ipc'.encode(), self._ipc_scheme_handler)
if config["webChannel"]["active"]:
from JAK.Utils import JavaScript
if bindings() == "PyQt5":
from PyQt5.QtCore import QFile, QIODevice
from PyQt5.QtWebChannel import QWebChannel
webchannel_js = QFile(':/qtwebchannel/qwebchannel.js')
webchannel_js.open(QIODevice.ReadOnly)
webchannel_js = bytes(webchannel_js.readAll()).decode('utf-8')
webchannel_js += """ var JAK;
new QWebChannel(qt.webChannelTransport, function (channel) {
JAK = channel.objects.Bridge;
});"""
JavaScript.inject(self.page(), {
"JavaScript": webchannel_js,
"name": "QWebChannel API"
})
self.channel = QWebChannel(self.page())
if config["webChannel"]["shared_obj"]:
self.bridge_obj = config["webChannel"]["shared_obj"]
else:
raise NotImplementedError("QWebChannel shared QObject")
self.channel.registerObject("Bridge", self.bridge_obj)
self.page().setWebChannel(self.channel)
print("QWebChannel bridge active")
self.profile.setRequestInterceptor(self.interceptor)
print(self.profile.httpUserAgent())
validate_url(self, config["web_contents"])
if bindings() == “PyQt5”: from PyQt5.QtWidgets import QFileDialog else: from PySide2.QtWidgets import QFileDialog dialog = QFileDialog(self) path = dialog.getSaveFileName(dialog, “Save File”, download_item.path())
if path[0]: download_item.setPath(path[0]) print(f”downloading file to:( {download_item.path()} )”) download_item.accept() self.download_item = download_item download_item.finished.connect(self._download_finished) else: print(“Download canceled”)
def _download_finished(self) -> None:
def _download_requested(self, download_item) -> None:
"""
* If a download is requested call a save file dialog
* :param download_item: file to be downloaded
#DIVIDER
Goes to previous page and pops an alert informing the user that the download is finish and were to find it
file_path = self.download_item.path() msg = f”File Downloaded to: {file_path}” from JAK.Widgets import InfoDialog InfoDialog(self, “Download Complete”, msg)