[EdgeChromium] delete user data on exit

webview/platforms/edgechromium.py

@@ -1,6 +1,7 @@
 import json
 import logging
 import os
+import shutil
 import webbrowser
 import winreg
 from threading import Semaphore
@@ -16,8 +17,9 @@
 clr.AddReference('System.Threading')
 
 import System.Windows.Forms as WinForms
-from System import Action, Func, String, Type, Uri, Object
+from System import Action, Convert, Func, String, Type, Uri, Object
 from System.Collections.Generic import List
+from System.Diagnostics import Process
 from System.Drawing import Color
 from System.Globalization import CultureInfo
 from System.Threading.Tasks import Task, TaskScheduler
@@ -41,6 +43,7 @@ def __init__(self, form, window, cache_dir):
         self.webview = WebView2()
         props = CoreWebView2CreationProperties()
         props.UserDataFolder = cache_dir
+        self.user_data_folder = props.UserDataFolder
         props.set_IsInPrivateModeEnabled(_state['private_mode'])
         props.AdditionalBrowserArguments = '--disable-features=ElasticOverscroll'
 
@@ -78,6 +81,20 @@ def __init__(self, form, window, cache_dir):
         else:
             self.webview.EnsureCoreWebView2Async(None)
 
+    def clear_user_data(self):
+        if not _state['private_mode']:
+            return
+
+        process_id = Convert.ToInt32(self.webview.CoreWebView2.BrowserProcessId)
+        process = Process.GetProcessById(process_id)
+        self.webview.Dispose()
+        process.WaitForExit(3000)
+
+        try:
+            shutil.rmtree(self.user_data_folder)
+        except Exception as e:
+            logger.exception(e)
+
     def setup_webview2_environment(self):
         def _callback(task):
             self.webview.EnsureCoreWebView2Async(task.Result)

webview/platforms/winforms.py

@@ -285,6 +285,9 @@ def on_close(self, *_):
             def _shutdown():
                 if is_cef:
                     CEF.shutdown()
+                elif is_chromium:
+                    self.browser.clear_user_data()
+
                 WinForms.Application.Exit()
 
             if not is_cef: