Restore SEBPatch

2025-06-01 11:44:20 +02:00
commit 8c656e3137
1297 changed files with 142172 additions and 0 deletions
--- a/SafeExamBrowser.Configuration/ConfigurationData/Json.cs
+++ b/SafeExamBrowser.Configuration/ConfigurationData/Json.cs
@@ -0,0 +1,107 @@
+/*
+ * 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/.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+
+namespace SafeExamBrowser.Configuration.ConfigurationData
+{
+	internal static class Json
+	{
+		internal static void Serialize(IDictionary<string, object> dictionary, StreamWriter stream)
+		{
+			var orderedByKey = dictionary.OrderBy(d => d.Key, StringComparer.InvariantCulture).ToList();
+
+			stream.Write('{');
+
+			foreach (var kvp in orderedByKey)
+			{
+				var process = true;
+
+				process &= !kvp.Key.Equals(Keys.General.OriginatorVersion, StringComparison.OrdinalIgnoreCase);
+				process &= !(kvp.Value is IDictionary<string, object> d) || d.Any();
+
+				if (process)
+				{
+					stream.Write('"');
+					stream.Write(kvp.Key);
+					stream.Write('"');
+					stream.Write(':');
+
+					Serialize(kvp.Value, stream);
+
+					if (kvp.Key != orderedByKey.Last().Key)
+					{
+						stream.Write(',');
+					}
+				}
+			}
+
+			stream.Write('}');
+		}
+
+		private static void Serialize(IList<object> list, StreamWriter stream)
+		{
+			stream.Write('[');
+
+			foreach (var item in list)
+			{
+				Serialize(item, stream);
+
+				if (item != list.Last())
+				{
+					stream.Write(',');
+				}
+			}
+
+			stream.Write(']');
+		}
+
+		private static void Serialize(object value, StreamWriter stream)
+		{
+			switch (value)
+			{
+				case IDictionary<string, object> dictionary:
+					Serialize(dictionary, stream);
+					break;
+				case IList<object> list:
+					Serialize(list, stream);
+					break;
+				case byte[] data:
+					stream.Write('"');
+					stream.Write(Convert.ToBase64String(data));
+					stream.Write('"');
+					break;
+				case DateTime date:
+					stream.Write(date.ToString("o"));
+					break;
+				case bool boolean:
+					stream.Write(boolean.ToString().ToLower());
+					break;
+				case int integer:
+					stream.Write(integer.ToString(NumberFormatInfo.InvariantInfo));
+					break;
+				case double number:
+					stream.Write(number.ToString(NumberFormatInfo.InvariantInfo));
+					break;
+				case string text:
+					stream.Write('"');
+					stream.Write(text);
+					stream.Write('"');
+					break;
+				case null:
+					stream.Write('"');
+					stream.Write('"');
+					break;
+			}
+		}
+	}
+}