Restore SEBPatch

SafeExamBrowser.Settings/Browser/UrlPolicy.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.Browser
+{
+	/// <summary>
+	/// Defines all policies for handling of URLs in the user interface and log.
+	/// </summary>
+	public enum UrlPolicy
+	{
+		/// <summary>
+		/// Always show the URL of a resource instead of the title. Log URLs normally.
+		/// </summary>
+		Always,
+
+		/// <summary>
+		/// Show the URL until the title of a resource is available. Log URLs normally.
+		/// </summary>
+		BeforeTitle,
+
+		/// <summary>
+		/// Only show the URL on load errors, otherwise show the title of a resource. Only log URLs in error messages.
+		/// </summary>
+		LoadError,
+
+		/// <summary>
+		/// Never show the URL of a resource and do not log any URLs.
+		/// </summary>
+		Never
+	}
+
+	public static class UrlPolicyExtensions
+	{
+		/// <summary>
+		/// Indicates whether URLs may be logged normally.
+		/// </summary>
+		public static bool CanLog(this UrlPolicy policy)
+		{
+			return policy == UrlPolicy.Always || policy == UrlPolicy.BeforeTitle;
+		}
+
+		/// <summary>
+		/// Indicates whether URLs may be logged in case of an error.
+		/// </summary>
+		public static bool CanLogError(this UrlPolicy policy)
+		{
+			return policy.CanLog() || policy == UrlPolicy.LoadError;
+		}
+	}
+}