Enforce CREATE_VIRTUAL_DEVICE permission for virtual camera service
Bug: 301023410
Test: atest
Change-Id: Ia3850ef0ace096dcda6c1d2fe8d3c5fd39e0a271
diff --git a/services/camera/virtualcamera/util/Permissions.h b/services/camera/virtualcamera/util/Permissions.h
new file mode 100644
index 0000000..014989e
--- /dev/null
+++ b/services/camera/virtualcamera/util/Permissions.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_COMPANION_VIRTUALCAMERA_PERMISSIONS_H
+#define ANDROID_COMPANION_VIRTUALCAMERA_PERMISSIONS_H
+
+#include <string>
+
+#include "sys/types.h"
+
+namespace android {
+namespace companion {
+namespace virtualcamera {
+
+class PermissionsProxy {
+ public:
+ virtual ~PermissionsProxy() = default;
+
+ // Checks whether caller holds permission. Do not use with runtime permissions
+ // as the default implementation uses PermissionCache which doesn't reflect
+ // possible runtime changes of permissions.
+ //
+ // Returns true in case caller holds the permission, false otherwise or if
+ // there was any error while verifying the permission.
+ virtual bool checkCallingPermission(const std::string& permission) const = 0;
+
+ // Get instance of PermissionProxy.
+ static const PermissionsProxy& get();
+};
+
+} // namespace virtualcamera
+} // namespace companion
+} // namespace android
+
+#endif // ANDROID_COMPANION_VIRTUALCAMERA_PERMISSIONS_H