feature: Example Upgrade the MD5 algorithm to the sha256 algorithm

src/c#/GeneralUpdate.Api/Program.cs

@@ -36,7 +36,7 @@
 app.MapGet("/versions/{clientType}/{clientVersion}/{clientAppKey}", (int clientType, string clientVersion, string clientAppKey, IUpdateService updateService) =>
 {
     var versions = new List<VersionDTO>();
-    var md5 = "9bf414990a67e74f11752d03f49b15d8";//���ɺõĸ��°��ļ���MD5�룬��Ϊ���ظ��ͻ��˵�ʱ����Ҫͬ�������֤�Ƿ����
+    var hash = "9bf414990a67e74f11752d03f49b15d8";//���ɺõĸ��°��ļ���MD5�룬��Ϊ���ظ��ͻ��˵�ʱ����Ҫͬ�������֤�Ƿ����
     var pubTime = new DateTimeOffset(DateTime.UtcNow).ToUnixTimeSeconds();
     string version = null;
     if (clientType == AppType.ClientApp)
@@ -53,7 +53,7 @@
     }
     var url = $"http://192.168.50.203/update.zip";//���°������ص�ַ
     var name = "update";
-    versions.Add(new VersionDTO(md5, pubTime, version, url, name));
+    versions.Add(new VersionDTO(hash, pubTime, version, url, name));
     return updateService.Update(clientType, clientVersion, version, clientAppKey, GetAppSecretKey(), false, versions);
 });
 
@@ -69,7 +69,7 @@
         int.TryParse(contextReq.Form["clientType"], out int clientType);
         var version = contextReq.Form["clientType"].ToString();
         var clientAppKey = contextReq.Form["clientAppKey"].ToString();
-        var md5 = contextReq.Form["md5"].ToString();
+        var hash = contextReq.Form["hash"].ToString();
 
         if (!request.HasFormContentType) throw new Exception("ContentType was not included in the request !");
         var form = await request.ReadFormAsync();

src/c#/GeneralUpdate.ClientCore/GeneralUpdate.ClientCore.csproj

@@ -51,6 +51,7 @@
     <None Remove="GeneralUpdate.ClientCore.1.1.1.nupkg" />
     <None Remove="GeneralUpdate.ClientCore.nuspec" />
     <None Remove="GeneralUpdate.ico" />
+    <None Remove="HashAlgorithms\.gitkeep" />
     <None Remove="nuget.exe" />
     <None Remove="Pipelines\Attributes\.gitkeep" />
     <None Remove="Pipelines\Context\.gitkeep" />
@@ -113,13 +114,17 @@
     <Compile Include="..\GeneralUpdate.Core\Exceptions\CustomArgs\UnZipExceptionArgs.cs" Link="Exceptions\CustomArgs\UnZipExceptionArgs.cs" />
     <Compile Include="..\GeneralUpdate.Core\Exceptions\CustomArgs\UpdateExceptionArgs.cs" Link="Exceptions\CustomArgs\UpdateExceptionArgs.cs" />
     <Compile Include="..\GeneralUpdate.Core\Exceptions\CustomException\GeneralUpdateException.cs" Link="Exceptions\CustomException\GeneralUpdateException.cs" />
+    <Compile Include="..\GeneralUpdate.Core\HashAlgorithms\HashAlgorithmBase.cs" Link="HashAlgorithms\HashAlgorithmBase.cs" />
+    <Compile Include="..\GeneralUpdate.Core\HashAlgorithms\Md5HashAlgorithm.cs" Link="HashAlgorithms\Md5HashAlgorithm.cs" />
+    <Compile Include="..\GeneralUpdate.Core\HashAlgorithms\Sha1HashAlgorithm.cs" Link="HashAlgorithms\Sha1HashAlgorithm.cs" />
+    <Compile Include="..\GeneralUpdate.Core\HashAlgorithms\Sha256HashAlgorithm.cs" Link="HashAlgorithms\Sha256HashAlgorithm.cs" />
     <Compile Include="..\GeneralUpdate.Core\Pipelines\Attributes\DynamicallyAccessedMembersAttribute.cs" Link="Pipelines\Attributes\DynamicallyAccessedMembersAttribute.cs" />
     <Compile Include="..\GeneralUpdate.Core\Pipelines\Attributes\DynamicallyAccessedMemberTypes.cs" Link="Pipelines\Attributes\DynamicallyAccessedMemberTypes.cs" />
     <Compile Include="..\GeneralUpdate.Core\Pipelines\Context\BaseContext.cs" Link="Pipelines\Context\BaseContext.cs" />
     <Compile Include="..\GeneralUpdate.Core\Pipelines\MiddlewareResolver\ActivatorMiddlewareResolver.cs" Link="Pipelines\MiddlewareResolver\ActivatorMiddlewareResolver.cs" />
     <Compile Include="..\GeneralUpdate.Core\Pipelines\Middleware\ConfigMiddleware.cs" Link="Pipelines\Middleware\ConfigMiddleware.cs" />
+    <Compile Include="..\GeneralUpdate.Core\Pipelines\Middleware\HashMiddleware.cs" Link="Pipelines\Middleware\HashMiddleware.cs" />
     <Compile Include="..\GeneralUpdate.Core\Pipelines\Middleware\IMiddleware.cs" Link="Pipelines\Middleware\IMiddleware.cs" />
-    <Compile Include="..\GeneralUpdate.Core\Pipelines\Middleware\MD5Middleware.cs" Link="Pipelines\Middleware\MD5Middleware.cs" />
     <Compile Include="..\GeneralUpdate.Core\Pipelines\Middleware\MiddlewareExtensions.cs" Link="Pipelines\Middleware\MiddlewareExtensions.cs" />
     <Compile Include="..\GeneralUpdate.Core\Pipelines\Middleware\MiddlewareStack.cs" Link="Pipelines\Middleware\MiddlewareStack.cs" />
     <Compile Include="..\GeneralUpdate.Core\Pipelines\Middleware\PatchMiddleware.cs" Link="Pipelines\Middleware\PatchMiddleware.cs" />
@@ -209,6 +214,7 @@
     <Folder Include="Events\MultiEventArgs\" />
     <Folder Include="Exceptions\CustomArgs\" />
     <Folder Include="Exceptions\CustomException\" />
+    <Folder Include="HashAlgorithms\" />
     <Folder Include="Pipelines\MiddlewareResolver\" />
     <Folder Include="Pipelines\Middleware\" />
     <Folder Include="Pipelines\Context\" />

src/c#/GeneralUpdate.Core/Domain/DO/Assembler/VersionAssembler.cs

@@ -17,7 +17,7 @@ public static List<VersionInfo> ToDataObjects(List<VersionConfigDO> versionDTO)
 
         public static VersionInfo ToDataObject(VersionConfigDO versionDO)
         {
-            return new VersionInfo(versionDO.PubTime, versionDO.Name, versionDO.MD5, versionDO.Version, versionDO.Url);
+            return new VersionInfo(versionDO.PubTime, versionDO.Name, versionDO.Hash, versionDO.Version, versionDO.Url);
         }
     }
 }

src/c#/GeneralUpdate.Core/Domain/DO/VersionConfigDO.cs

@@ -15,9 +15,9 @@ public class VersionConfigDO
         public string Url { get; set; }
 
         /// <summary>
-        /// MD5 verification code
+        /// Hash verification code
         /// </summary>
-        public string MD5 { get; set; }
+        public string Hash { get; set; }
 
         /// <summary>
         /// Update the package name.
@@ -44,17 +44,17 @@ public class VersionConfigDO
         /// </summary>
         /// <param name="guid"></param>
         /// <param name="url"></param>
-        /// <param name="mD5"></param>
+        /// <param name="hash"></param>
         /// <param name="name"></param>
         /// <param name="format"></param>
         /// <param name="version"></param>
         /// <param name="pubTime"></param>
         /// <exception cref="ArgumentNullException"></exception>
-        public VersionConfigDO(string guid, string url, string mD5, string name, string format, string version, long pubTime)
+        public VersionConfigDO(string guid, string url, string hash, string name, string format, string version, long pubTime)
         {
             Guid = guid ?? throw new ArgumentNullException(nameof(guid));
             Url = url ?? throw new ArgumentNullException(nameof(url));
-            MD5 = mD5 ?? throw new ArgumentNullException(nameof(mD5));
+            Hash = hash ?? throw new ArgumentNullException(nameof(hash));
             Name = name ?? throw new ArgumentNullException(nameof(name));
             Format = format ?? throw new ArgumentNullException(nameof(format));
             Version = version ?? throw new ArgumentNullException(nameof(version));

src/c#/GeneralUpdate.Core/Domain/DTO/Assembler/VersionAssembler.cs

@@ -17,7 +17,7 @@ public static List<VersionInfo> ToEntitys(List<VersionDTO> versionDTO)
 
         public static VersionInfo ToEntity(VersionDTO versionDTO)
         {
-            return new VersionInfo(versionDTO.PubTime, versionDTO.Name, versionDTO.MD5, versionDTO.Version, versionDTO.Url);
+            return new VersionInfo(versionDTO.PubTime, versionDTO.Name, versionDTO.Hash, versionDTO.Version, versionDTO.Url);
         }
     }
 }

src/c#/GeneralUpdate.Core/Domain/DTO/VersionDTO.cs

@@ -2,16 +2,16 @@
 {
     public class VersionDTO
     {
-        public VersionDTO(string md5, long pubTime, string version, string url, string name)
+        public VersionDTO(string hash, long pubTime, string version, string url, string name)
         {
-            MD5 = md5;
+            Hash = hash;
             PubTime = pubTime;
             Version = version;
             Url = url;
             Name = name;
         }
 
-        public string MD5 { get; set; }
+        public string Hash { get; set; }
 
         public long PubTime { get; set; }
 

src/c#/GeneralUpdate.Core/Domain/Entity/VersionInfo.cs

@@ -7,11 +7,11 @@ public class VersionInfo : Entity
         public VersionInfo()
         { }
 
-        public VersionInfo(long pubTime, string name, string mD5, string version, string url)
+        public VersionInfo(long pubTime, string name, string hash, string version, string url)
         {
             PubTime = pubTime;
             Name = name ?? throw new ArgumentNullException(nameof(name));
-            MD5 = mD5 ?? throw new ArgumentNullException(nameof(mD5));
+            Hash = hash ?? throw new ArgumentNullException(nameof(hash));
             Version = version ?? throw new ArgumentNullException(nameof(version));
             Url = url ?? throw new ArgumentNullException(nameof(Url));
             if (!IsURL(Url)) throw new Exception($"Illegal url {nameof(Url)}");
@@ -30,7 +30,7 @@ public VersionInfo(long pubTime, string name, string mD5, string version, string
         /// <summary>
         /// Compare and verify with the downloaded update package.
         /// </summary>
-        public string MD5 { get; set; }
+        public string Hash { get; set; }
 
         /// <summary>
         /// The version number.

src/c#/GeneralUpdate.Core/Domain/Enum/ProgressType.cs

@@ -38,8 +38,8 @@ public enum ProgressType
         Patch,
 
         /// <summary>
-        /// MD5 code
+        /// Hash code
         /// </summary>
-        MD5
+        Hash
     }
 }

src/c#/GeneralUpdate.Core/Domain/PO/Assembler/VersionAssembler.cs

@@ -17,7 +17,7 @@ public static List<VersionInfo> ToDataObjects(List<VersionPO> versionDTO)
 
         public static VersionInfo ToDataObject(VersionPO versionDO)
         {
-            return new VersionInfo(versionDO.PubTime, versionDO.Name, versionDO.MD5, versionDO.Version, versionDO.Url);
+            return new VersionInfo(versionDO.PubTime, versionDO.Name, versionDO.Hash, versionDO.Version, versionDO.Url);
         }
     }
 }

src/c#/GeneralUpdate.Core/Domain/PO/VersionPO.cs

@@ -18,7 +18,7 @@ public class VersionPO
         /// <summary>
         /// Compare and verify with the downloaded update package.
         /// </summary>
-        public string MD5 { get; set; }
+        public string Hash { get; set; }
 
         /// <summary>
         /// The version number.

src/c#/GeneralUpdate.Core/HashAlgorithms/HashAlgorithmBase.cs

@@ -0,0 +1,28 @@
+using System.IO;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace GeneralUpdate.Core.HashAlgorithms
+{
+    public abstract class HashAlgorithmBase
+    {
+        public string ComputeHash(string fileName)
+        {
+            using (var hashAlgorithm = GetHashAlgorithm())
+            {
+                using (var file = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
+                {
+                    var dataArray = GetHashAlgorithm().ComputeHash(file);
+                    var stringBuilder = new StringBuilder();
+                    for (int i = 0; i < dataArray.Length; i++)
+                    {
+                        stringBuilder.Append(dataArray[i].ToString("x2"));
+                    }
+                    return stringBuilder.ToString();
+                }
+            }
+        }
+
+        protected abstract HashAlgorithm GetHashAlgorithm();
+    }
+}

src/c#/GeneralUpdate.Core/HashAlgorithms/Md5HashAlgorithm.cs

@@ -0,0 +1,9 @@
+using System.Security.Cryptography;
+
+namespace GeneralUpdate.Core.HashAlgorithms
+{
+    public class Md5HashAlgorithm : HashAlgorithmBase
+    {
+        protected override HashAlgorithm GetHashAlgorithm()=> MD5.Create();
+    }
+}

src/c#/GeneralUpdate.Core/HashAlgorithms/Sha1HashAlgorithm.cs

@@ -0,0 +1,9 @@
+using System.Security.Cryptography;
+
+namespace GeneralUpdate.Core.HashAlgorithms
+{
+    public class Sha1HashAlgorithm : HashAlgorithmBase
+    {
+        protected override HashAlgorithm GetHashAlgorithm()=> new SHA1Managed();
+    }
+}

src/c#/GeneralUpdate.Core/HashAlgorithms/Sha256HashAlgorithm.cs

@@ -0,0 +1,9 @@
+using System.Security.Cryptography;
+
+namespace GeneralUpdate.Core.HashAlgorithms
+{
+    public class Sha256HashAlgorithm : HashAlgorithmBase
+    {
+        protected override HashAlgorithm GetHashAlgorithm()=> SHA256.Create();
+    }
+}

src/c#/GeneralUpdate.Core/Pipelines/Middleware/ConfigMiddleware.cs

@@ -16,7 +16,7 @@ public async Task InvokeAsync(BaseContext context, MiddlewareStack stack)
         {
             try
             {
-                EventManager.Instance.Dispatch<Action<object, MultiDownloadProgressChangedEventArgs>>(this, new MultiDownloadProgressChangedEventArgs(context.Version, ProgressType.MD5, "Update configuration file ..."));
+                EventManager.Instance.Dispatch<Action<object, MultiDownloadProgressChangedEventArgs>>(this, new MultiDownloadProgressChangedEventArgs(context.Version, ProgressType.Hash, "Update configuration file ..."));
                 await ConfigFactory.Instance.Deploy();
                 var node = stack.Pop();
                 if (node != null) await node.Next.Invoke(context, stack);

src/c#/GeneralUpdate.Core/Pipelines/Middleware/MD5Middleware.cs → src/c#/GeneralUpdate.Core/Pipelines/Middleware/HashMiddleware.cs

@@ -2,24 +2,24 @@
 using GeneralUpdate.Core.Events;
 using GeneralUpdate.Core.Events.CommonArgs;
 using GeneralUpdate.Core.Events.MultiEventArgs;
+using GeneralUpdate.Core.HashAlgorithms;
 using GeneralUpdate.Core.Pipelines.Context;
-using GeneralUpdate.Core.Utils;
 using System;
 using System.Threading.Tasks;
 
 namespace GeneralUpdate.Core.Pipelines.Middleware
 {
-    public class MD5Middleware : IMiddleware
+    public class HashMiddleware : IMiddleware
     {
         public async Task InvokeAsync(BaseContext context, MiddlewareStack stack)
         {
             Exception exception = null;
             try
             {
-                EventManager.Instance.Dispatch<Action<object, MultiDownloadProgressChangedEventArgs>>(this, new MultiDownloadProgressChangedEventArgs(context.Version, ProgressType.MD5, "Verify file MD5 code ..."));
+                EventManager.Instance.Dispatch<Action<object, MultiDownloadProgressChangedEventArgs>>(this, new MultiDownloadProgressChangedEventArgs(context.Version, ProgressType.Hash, "Verify file MD5 code ..."));
                 var version = context.Version;
-                bool isVerify = VerifyFileMd5(context.ZipfilePath, version.MD5);
-                if (!isVerify) exception = new Exception($"The update package MD5 code is inconsistent ! version-{version.Version}  MD5-{version.MD5} .");
+                bool isVerify = VerifyFileHash(context.ZipfilePath, version.Hash);
+                if (!isVerify) exception = new Exception($"The update package hash code is inconsistent ! version-{version.Version}  hash-{version.Hash} .");
                 var node = stack.Pop();
                 if (node != null) await node.Next.Invoke(context, stack);
             }
@@ -29,10 +29,11 @@ public async Task InvokeAsync(BaseContext context, MiddlewareStack stack)
             }
         }
 
-        private bool VerifyFileMd5(string fileName, string md5)
+        private bool VerifyFileHash(string fileName, string hash)
         {
-            var packetMD5 = FileUtil.GetFileMD5(fileName);
-            return md5.ToUpper().Equals(packetMD5.ToUpper());
+            var hashAlgorithm = new Sha256HashAlgorithm();
+            var hashSha256 = hashAlgorithm.ComputeHash(fileName);
+            return string.Equals(hash, hashSha256, StringComparison.OrdinalIgnoreCase);
         }
     }
 }

src/c#/GeneralUpdate.Core/Pipelines/Middleware/ZipMiddleware.cs

@@ -20,7 +20,7 @@ public async Task InvokeAsync(BaseContext context, MiddlewareStack stack)
                 EventManager.Instance.Dispatch<Action<object, MultiDownloadProgressChangedEventArgs>>(this, new MultiDownloadProgressChangedEventArgs(context.Version, ProgressType.Updatefile, "In the unzipped file ..."));
                 var version = context.Version;
                 bool isUnzip = UnZip(context);
-                if (!isUnzip) throw exception = new Exception($"Unzip file failed , Version-{version.Version}  MD5-{version.MD5} !");
+                if (!isUnzip) throw exception = new Exception($"Unzip file failed , Version-{version.Version}  MD5-{version.Hash} !");
                 //await ConfigFactory.Instance.Scan(context.SourcePath, context.TargetPath);
                 var node = stack.Pop();
                 if (node != null) await node.Next.Invoke(context, stack);

src/c#/GeneralUpdate.Core/Strategys/PlatformWindows/WindowsStrategy.cs

@@ -60,7 +60,7 @@ public override void Execute()
                                                       .Build();
 
                             var pipelineBuilder = new PipelineBuilder<BaseContext>(context).
-                                UseMiddleware<MD5Middleware>().
+                                UseMiddleware<HashMiddleware>().
                                 UseMiddleware<ZipMiddleware>().
                                 UseMiddleware<PatchMiddleware>();
                             await pipelineBuilder.Launch();
@@ -146,7 +146,7 @@ private void WaitForProcessToStart(string applicationPath, TimeSpan timeout, Act
                 var startTime = DateTime.UtcNow;
                 while (DateTime.UtcNow - startTime < timeout)
                 {
-                    Thread.Sleep(2 * 1000);
+                    Thread.Sleep(3 * 1000);
                     if (!process.HasExited)
                     {
                         callbackAction?.Invoke(applicationPath);

src/c#/GeneralUpdate.Core/Utils/FileUtil.cs

@@ -3,34 +3,11 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Security.Cryptography;
-using System.Text;
 
 namespace GeneralUpdate.Core.Utils
 {
     public static class FileUtil
     {
-        public static string GetFileMD5(string fileName)
-        {
-            try
-            {
-                var file = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);
-                var md5 = new MD5CryptoServiceProvider();
-                var retVal = md5.ComputeHash(file);
-                file.Close();
-                var sb = new StringBuilder();
-                for (var i = 0; i < retVal.Length; i++)
-                {
-                    sb.Append(retVal[i].ToString("x2"));
-                }
-                return sb.ToString();
-            }
-            catch (Exception)
-            {
-                return string.Empty;
-            }
-        }
-
         public static void DirectoryCopy(string sourceDirName, string destDirName,
           bool copySubDirs, bool isOverWrite, Action<string> action)
         {

src/c#/GeneralUpdate.Differential/Config/Cache/ConfigEntity.cs

@@ -10,9 +10,9 @@ public class ConfigEntity
         public string Name { get; set; }
 
         /// <summary>
-        /// file md5 code .
+        /// file hash code .
         /// </summary>
-        public string MD5 { get; set; }
+        public string Hash { get; set; }
 
         /// <summary>
         /// configuation file content.