Restore SEBPatch

SafeExamBrowser.Settings/Security/ClipboardPolicy.cs

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+/*
+ * Copyright (c) 2024 ETH Zürich, IT Services
+ * 
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+namespace SafeExamBrowser.Settings.Security
+{
+	/// <summary>
+	/// Defines all policies with respect to the usage of the clipboard.
+	/// </summary>
+	public enum ClipboardPolicy
+	{
+		/// <summary>
+		/// Allows the usage of the system clipboard without restrictions.
+		/// </summary>
+		Allow,
+
+		/// <summary>
+		/// Completely blocks the usage of the system clipboard by continuously clearing its content and blocking all related keyboard shortcuts.
+		/// </summary>
+		Block,
+
+		/// <summary>
+		/// Continuously clears the content of the system clipboard and enables an isolated clipboard only working within the browser application.
+		/// </summary>
+		Isolated
+	}
+}