1 files changed, 50 insertions, 0 deletions
diff --git a/src/libsync/vfs/cfapi/shellext/ipccommon.cpp b/src/libsync/vfs/cfapi/shellext/ipccommon.cpp
new file mode 100644
index 000000000..a86b06b9d
--- /dev/null
+++ b/src/libsync/vfs/cfapi/shellext/ipccommon.cpp
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) by Oleksandr Zolotov <alex@nextcloud.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "ipccommon.h"
+#include "common/shellextensionutils.h"
+#include "common/utility.h"
+#include <QDir>
+
+namespace VfsShellExtensions {
+QString findServerNameForPath(const QString &filePath)
+{
+    // SyncRootManager Registry key contains all registered folders for Cf API. It will give us the correct name of the
+    // current app based on the folder path
+    QString serverName;
+    constexpr auto syncRootManagerRegKey = R"(SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SyncRootManager)";
+
+    if (OCC::Utility::registryKeyExists(HKEY_LOCAL_MACHINE, syncRootManagerRegKey)) {
+        OCC::Utility::registryWalkSubKeys(
+            HKEY_LOCAL_MACHINE, syncRootManagerRegKey, [&](HKEY, const QString &syncRootId) {
+                const QString syncRootIdUserSyncRootsRegistryKey =
+                    syncRootManagerRegKey + QStringLiteral("\\") + syncRootId + QStringLiteral(R"(\UserSyncRoots\)");
+                OCC::Utility::registryWalkValues(HKEY_LOCAL_MACHINE, syncRootIdUserSyncRootsRegistryKey,
+                    [&](const QString &userSyncRootName, bool *done) {
+                        const auto userSyncRootValue = QDir::fromNativeSeparators(OCC::Utility::registryGetKeyValue(
+                            HKEY_LOCAL_MACHINE, syncRootIdUserSyncRootsRegistryKey, userSyncRootName)
+                                                                                      .toString());
+                        if (QDir::fromNativeSeparators(filePath).startsWith(userSyncRootValue)) {
+                            const auto syncRootIdSplit = syncRootId.split(QLatin1Char('!'), Qt::SkipEmptyParts);
+                            if (!syncRootIdSplit.isEmpty()) {
+                                serverName = VfsShellExtensions::serverNameForApplicationName(syncRootIdSplit.first());
+                                *done = true;
+                            }
+                        }
+                    });
+            });
+    }
+    return serverName;
+}
+}