Added per-file update

Added new project that is building UpdateInfo.yml
Improved kinda the UI control in downloaders, but still needs some improving
Removed NAppUpdate
Added Polish

P3D-Legacy Launcher UpdateInfoBuilder/Crc32.cs

@@ -0,0 +1,119 @@
+// Copyright (c) Damien Guard.  All rights reserved.
+// 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
+// Originally published at http://damieng.com/blog/2006/08/08/calculating_crc32_in_c_and_net
+
+using System;
+using System.Collections.Generic;
+using System.Security.Cryptography;
+
+namespace DamienG.Security.Cryptography
+{
+    /// <summary>
+    /// Implements a 32-bit CRC hash algorithm compatible with Zip etc.
+    /// </summary>
+    /// <remarks>
+    /// Crc32 should only be used for backward compatibility with older file formats
+    /// and algorithms. It is not secure enough for new applications.
+    /// If you need to call multiple times for the same data either use the HashAlgorithm
+    /// interface or remember that the result of one Compute call needs to be ~ (XOR) before
+    /// being passed in as the seed for the next Compute call.
+    /// </remarks>
+    public sealed class Crc32 : HashAlgorithm
+    {
+        public const UInt32 DefaultPolynomial = 0xedb88320u;
+        public const UInt32 DefaultSeed = 0xffffffffu;
+
+        static UInt32[] defaultTable;
+
+        readonly UInt32 seed;
+        readonly UInt32[] table;
+        UInt32 hash;
+
+        public Crc32()
+            : this(DefaultPolynomial, DefaultSeed)
+        {
+        }
+
+        public Crc32(UInt32 polynomial, UInt32 seed)
+        {
+            table = InitializeTable(polynomial);
+            this.seed = hash = seed;
+        }
+
+        public override void Initialize()
+        {
+            hash = seed;
+        }
+
+        protected override void HashCore(byte[] array, int ibStart, int cbSize)
+        {
+            hash = CalculateHash(table, hash, array, ibStart, cbSize);
+        }
+
+        protected override byte[] HashFinal()
+        {
+            var hashBuffer = UInt32ToBigEndianBytes(~hash);
+            HashValue = hashBuffer;
+            return hashBuffer;
+        }
+
+        public override int HashSize { get { return 32; } }
+
+        public static UInt32 Compute(byte[] buffer)
+        {
+            return Compute(DefaultSeed, buffer);
+        }
+
+        public static UInt32 Compute(UInt32 seed, byte[] buffer)
+        {
+            return Compute(DefaultPolynomial, seed, buffer);
+        }
+
+        public static UInt32 Compute(UInt32 polynomial, UInt32 seed, byte[] buffer)
+        {
+            return ~CalculateHash(InitializeTable(polynomial), seed, buffer, 0, buffer.Length);
+        }
+
+        static UInt32[] InitializeTable(UInt32 polynomial)
+        {
+            if (polynomial == DefaultPolynomial && defaultTable != null)
+                return defaultTable;
+
+            var createTable = new UInt32[256];
+            for (var i = 0; i < 256; i++)
+            {
+                var entry = (UInt32) i;
+                for (var j = 0; j < 8; j++)
+                    if ((entry & 1) == 1)
+                        entry = (entry >> 1) ^ polynomial;
+                    else
+                        entry = entry >> 1;
+                createTable[i] = entry;
+            }
+
+            if (polynomial == DefaultPolynomial)
+                defaultTable = createTable;
+
+            return createTable;
+        }
+
+        static UInt32 CalculateHash(UInt32[] table, UInt32 seed, IList<byte> buffer, int start, int size)
+        {
+            var hash = seed;
+            for (var i = start; i < start + size; i++)
+                hash = (hash >> 8) ^ table[buffer[i] ^ hash & 0xff];
+            return hash;
+        }
+
+        static byte[] UInt32ToBigEndianBytes(UInt32 uint32)
+        {
+            var result = BitConverter.GetBytes(uint32);
+
+            if (BitConverter.IsLittleEndian)
+                Array.Reverse(result);
+
+            return result;
+        }
+    }
+}

P3D-Legacy Launcher UpdateInfoBuilder/Data/UpdateInfo.cs

@@ -0,0 +1,22 @@
+using System.Collections.Generic;
+
+using YamlDotNet.Serialization;
+
+namespace P3D.Legacy.Launcher.UpdateInfoBuilder.Data
+{
+    public class UpdateInfo
+    {
+        public static SerializerBuilder SerializerBuilder { get; } = new SerializerBuilder();
+        public static DeserializerBuilder DeserializerBuilder { get; } = new DeserializerBuilder();
+
+        public List<UpdateFileEntry> Files { get; set; } = new List<UpdateFileEntry>();
+    }
+
+    public class UpdateFileEntry
+    {
+        public string AbsoluteFilePath { get; set; }
+        public string CRC32 { get; set; }
+        public string SHA1 { get; set; }
+        public long Size { get; set; }
+    }
+}

P3D-Legacy Launcher UpdateInfoBuilder/P3D-Legacy Launcher UpdateInfoBuilder.csproj

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{317AA66C-58E7-4005-9568-93CFAF5353CD}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>P3D.Legacy.Launcher.UpdateInfoBuilder</RootNamespace>
+    <AssemblyName>P3D-Legacy Launcher UpdateInfoBuilder</AssemblyName>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+    <Reference Include="YamlDotNet, Version=4.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\YamlDotNet.4.0.0\lib\net35\YamlDotNet.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Crc32.cs" />
+    <Compile Include="Data\UpdateInfo.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>

P3D-Legacy Launcher UpdateInfoBuilder/Program.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Security.Cryptography;
+
+using DamienG.Security.Cryptography;
+
+using P3D.Legacy.Launcher.UpdateInfoBuilder.Data;
+
+namespace P3D.Legacy.Launcher.UpdateInfoBuilder
+{
+    public static class Program
+    {
+        private static string MainFolderPath { get; } = AppDomain.CurrentDomain.BaseDirectory;
+
+        private const string OutputFilename = "UpdateInfo.yml";
+        private static string OutputFilePath { get; } = Path.Combine(MainFolderPath, OutputFilename);
+
+        public static void Main(string[] args)
+        {
+            var updateInfoPath = args[0];
+
+
+            //var allAbsoluteFilePaths = Directory.GetFiles(updateInfoPath, "*.*", SearchOption.AllDirectories).Select(filePath => filePath.Replace(updateInfoPath, ""));
+            var allAbsoluteFilePaths = Directory.GetFiles(updateInfoPath, "*.*", SearchOption.AllDirectories).Select(filePath => filePath.Substring(updateInfoPath.Length + 1));
+
+            var crc32 = new Crc32();
+            var sha1 = new SHA1Managed();
+            var updateFileEntries = new List<UpdateFileEntry>();
+            foreach (var absoluteFilePath in allAbsoluteFilePaths)
+            {
+                var filePath = Path.Combine(updateInfoPath, absoluteFilePath);
+                var length = new FileInfo(filePath).Length;
+                using (var fs = File.OpenRead(filePath))
+                {
+                    var crc32Hash = string.Empty;
+                    var sha1Hash = string.Empty;
+                    crc32Hash = crc32.ComputeHash(fs).Aggregate(crc32Hash, (current, b) => current + b.ToString("x2").ToLower());
+                    sha1Hash = sha1.ComputeHash(fs).Aggregate(sha1Hash, (current, b) => current + b.ToString("x2").ToLower());
+                    updateFileEntries.Add(new UpdateFileEntry { AbsoluteFilePath = absoluteFilePath, CRC32 = crc32Hash, SHA1 = sha1Hash, Size = length });
+                }
+            }
+
+            var serializer = UpdateInfo.SerializerBuilder.Build();
+            var content = serializer.Serialize(new UpdateInfo { Files = updateFileEntries });
+
+            File.WriteAllText(OutputFilePath, content);
+        }
+    }
+}

P3D-Legacy Launcher UpdateInfoBuilder/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("P3D-Legacy Launcher UpdateInfoBuilder")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("Microsoft")]
+[assembly: AssemblyProduct("P3D-Legacy Launcher UpdateInfoBuilder")]
+[assembly: AssemblyCopyright("Copyright © Microsoft 2016")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("317aa66c-58e7-4005-9568-93cfaf5353cd")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

P3D-Legacy Launcher UpdateInfoBuilder/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="YamlDotNet" version="4.0.0" targetFramework="net452" />
+</packages>

P3D-Legacy Launcher.sln

@@ -7,6 +7,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "P3D-Legacy Launcher", "P3D-
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "P3D-Legacy Launcher Updater", "P3D-Legacy Launcher Updater\P3D-Legacy Launcher Updater.csproj", "{6EE47050-ED83-4944-ACBB-D7F74E8C14F3}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "P3D-Legacy Launcher UpdateInfoBuilder", "P3D-Legacy Launcher UpdateInfoBuilder\P3D-Legacy Launcher UpdateInfoBuilder.csproj", "{317AA66C-58E7-4005-9568-93CFAF5353CD}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,6 +23,10 @@ Global
 		{6EE47050-ED83-4944-ACBB-D7F74E8C14F3}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{6EE47050-ED83-4944-ACBB-D7F74E8C14F3}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{6EE47050-ED83-4944-ACBB-D7F74E8C14F3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{317AA66C-58E7-4005-9568-93CFAF5353CD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{317AA66C-58E7-4005-9568-93CFAF5353CD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{317AA66C-58E7-4005-9568-93CFAF5353CD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{317AA66C-58E7-4005-9568-93CFAF5353CD}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE