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Handle downgrading future Cef versions

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Natsumi
2025-07-24 20:12:50 +12:00
parent 5b4e060d6c
commit ab2b38000e
1 changed files with 20 additions and 1 deletions
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21
Dotnet/Cef/CefService.cs
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@@ -1,6 +1,7 @@
using System; using System;
using System.IO; using System.IO;
using System.IO.Compression; using System.IO.Compression;
using System.Text;
using CefSharp; using CefSharp;
using CefSharp.SchemeHandler; using CefSharp.SchemeHandler;
using CefSharp.WinForms; using CefSharp.WinForms;
@@ -12,15 +13,32 @@ namespace VRCX
{ {
public static readonly CefService Instance; public static readonly CefService Instance;
private static readonly Logger logger = LogManager.GetCurrentClassLogger(); private static readonly Logger logger = LogManager.GetCurrentClassLogger();
private static string _lastCefVersionPath = string.Empty;
static CefService() static CefService()
{ {
_lastCefVersionPath = Path.Join(Program.AppDataDirectory, "LastCefVersion");
Instance = new CefService(); Instance = new CefService();
} }
internal void Init() internal void Init()
{ {
var userDataDir = Path.Join(Program.AppDataDirectory, "userdata"); var userDataDir = Path.Join(Program.AppDataDirectory, "userdata");
// delete userdata if Cef version has been downgraded, fixes VRCX not opening after a downgrade
var currentVersion = Cef.ChromiumVersion;
if (File.Exists(_lastCefVersionPath))
{
var lastCefVersion = File.ReadAllText(_lastCefVersionPath).Trim();
if (string.Compare(lastCefVersion, currentVersion, StringComparison.Ordinal) > 0)
{
logger.Info("Cef downgrade detected, deleting userdata: {0} -> {1}", lastCefVersion, currentVersion);
Directory.Delete(userDataDir, true);
}
}
File.WriteAllBytes(_lastCefVersionPath, Encoding.UTF8.GetBytes(currentVersion));
logger.Info("Cef version: {0}", currentVersion);
var cefSettings = new CefSettings var cefSettings = new CefSettings
{ {
RootCachePath = userDataDir, RootCachePath = userDataDir,
@@ -99,9 +117,10 @@ namespace VRCX
CefSharpSettings.ShutdownOnExit = false; CefSharpSettings.ShutdownOnExit = false;
CefSharpSettings.ConcurrentTaskExecution = true; CefSharpSettings.ConcurrentTaskExecution = true;
if (Cef.Initialize(cefSettings, false) == false) if (Cef.Initialize(cefSettings, false) == false)
{ {
logger.Error("Cef failed to initialize");
throw new Exception("Cef.Initialize()"); throw new Exception("Cef.Initialize()");
} }
} }