Missing files + start working on offline patcher

SafeExamBrowser.Server/Requests/Extensions.cs

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2025 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/.
+ */
+
+using System;
+using System.Net.Http;
+using System.Text;
+using SafeExamBrowser.Settings.Logging;
+
+namespace SafeExamBrowser.Server.Requests
+{
+	internal static class Extensions
+	{
+		internal static string ToLogString(this HttpResponseMessage response)
+		{
+			return response == default ? "No Response" : $"{(int) response.StatusCode} {response.StatusCode} {response.ReasonPhrase}";
+		}
+
+		internal static string ToLogType(this LogLevel severity)
+		{
+			switch (severity)
+			{
+				case LogLevel.Debug:
+					return "DEBUG_LOG";
+				case LogLevel.Error:
+					return "ERROR_LOG";
+				case LogLevel.Info:
+					return "INFO_LOG";
+				case LogLevel.Warning:
+					return "WARN_LOG";
+			}
+
+			return "UNKNOWN";
+		}
+
+		internal static string ToSummary(this Exception exception)
+		{
+			var trimChars = new[] { '.', '!' };
+			var summary = new StringBuilder(exception.Message?.TrimEnd(trimChars));
+
+			for (var inner = exception.InnerException; inner != default; inner = inner.InnerException)
+			{
+				summary.Append($" -> {inner.Message?.TrimEnd(trimChars)}");
+			}
+
+			return summary.ToString();
+		}
+
+		internal static long ToUnixTimestamp(this DateTime date)
+		{
+			return new DateTimeOffset(date).ToUnixTimeMilliseconds();
+		}
+	}
+}