Feature: Use UTF-8 encoding for ZIP creation to ensure cross-language compatibility (#17026)

Author: oxygen-dioxide

src/Files.App/Data/Models/CompressArchiveModel.cs

@@ -158,6 +158,10 @@ public async Task<bool> RunCreationAsync()
 			};
 
 			compressor.CustomParameters.Add("mt", CPUThreads.ToString());
+			//Use UTF-8 encoding. 
+			//References: 7-zip chm --> Command Line Version --> Switches
+			//--> -m --> cu=[off | on].
+			compressor.CustomParameters.Add("cu", "on");
 
 			compressor.Compressing += Compressor_Compressing;
 			compressor.FileCompressionStarted += Compressor_FileCompressionStarted;

src/Files.App/Utils/Storage/StorageItems/ZipStorageFile.cs

@@ -326,6 +326,7 @@ public override IAsyncAction RenameAsync(string desiredName, NameCollisionOption
 						await using (var archiveStream = await OpenZipFileAsync(FileAccessMode.Read))
 						{
 							SevenZipCompressor compressor = new SevenZipCompressor() { CompressionMode = CompressionMode.Append };
+							compressor.CustomParameters.Add("cu", "on");
 							compressor.SetFormatFromExistingArchive(archiveStream);
 							var fileName = IO.Path.GetRelativePath(containerPath, IO.Path.Combine(IO.Path.GetDirectoryName(Path), desiredName));
 							await compressor.ModifyArchiveAsync(archiveStream, new Dictionary<int, string>() { { index, fileName } }, Credentials.Password, ms);
@@ -375,6 +376,7 @@ public override IAsyncAction DeleteAsync(StorageDeleteOption option)
 						await using (var archiveStream = await OpenZipFileAsync(FileAccessMode.Read))
 						{
 							SevenZipCompressor compressor = new SevenZipCompressor() { CompressionMode = CompressionMode.Append };
+							compressor.CustomParameters.Add("cu", "on");
 							compressor.SetFormatFromExistingArchive(archiveStream);
 							await compressor.ModifyArchiveAsync(archiveStream, new Dictionary<int, string>() { { index, null } }, Credentials.Password, ms);
 						}

src/Files.App/Utils/Storage/StorageItems/ZipStorageFolder.cs

@@ -315,6 +315,7 @@ public override IAsyncOperation<BaseStorageFolder> CreateFolderAsync(string desi
 					await using (var archiveStream = await OpenZipFileAsync(FileAccessMode.Read))
 					{
 						SevenZipCompressor compressor = new SevenZipCompressor() { CompressionMode = CompressionMode.Append };
+						compressor.CustomParameters.Add("cu", "on");
 						compressor.SetFormatFromExistingArchive(archiveStream);
 						var fileName = IO.Path.GetRelativePath(containerPath, zipDesiredName);
 						await compressor.CompressStreamDictionaryAsync(archiveStream, new Dictionary<string, Stream>() { { fileName, null } }, Credentials.Password, ms);
@@ -366,6 +367,7 @@ public override IAsyncAction RenameAsync(string desiredName, NameCollisionOption
 						await using (var archiveStream = await OpenZipFileAsync(FileAccessMode.Read))
 						{
 							SevenZipCompressor compressor = new SevenZipCompressor() { CompressionMode = CompressionMode.Append };
+							compressor.CustomParameters.Add("cu", "on");
 							compressor.SetFormatFromExistingArchive(archiveStream);
 							var folderKey = IO.Path.GetRelativePath(containerPath, Path);
 							var folderDes = IO.Path.Combine(IO.Path.GetDirectoryName(folderKey), desiredName);
@@ -417,6 +419,7 @@ public override IAsyncAction DeleteAsync(StorageDeleteOption option)
 						await using (var archiveStream = await OpenZipFileAsync(FileAccessMode.Read))
 						{
 							SevenZipCompressor compressor = new SevenZipCompressor() { CompressionMode = CompressionMode.Append };
+							compressor.CustomParameters.Add("cu", "on");
 							compressor.SetFormatFromExistingArchive(archiveStream);
 							var entriesMap = new Dictionary<int, string>(index.Select(x => new KeyValuePair<int, string>(x.Index, null)));
 							await compressor.ModifyArchiveAsync(archiveStream, entriesMap, Credentials.Password, ms);
@@ -556,6 +559,7 @@ private static async Task<bool> InitArchive(Stream stream, OutArchiveFormat form
 				CompressionMode = CompressionMode.Create,
 				ArchiveFormat = format
 			};
+			compressor.CustomParameters.Add("cu", "on");
 			await compressor.CompressStreamDictionaryAsync(stream, new Dictionary<string, Stream>());
 			await stream.FlushAsync();
 			return true;
@@ -627,6 +631,7 @@ public IAsyncOperation<BaseStorageFile> CreateFileAsync(Stream contents, string
 					await using (var archiveStream = await OpenZipFileAsync(FileAccessMode.Read))
 					{
 						SevenZipCompressor compressor = new SevenZipCompressor() { CompressionMode = CompressionMode.Append };
+						compressor.CustomParameters.Add("cu", "on");
 						compressor.SetFormatFromExistingArchive(archiveStream);
 						var fileName = IO.Path.GetRelativePath(containerPath, zipDesiredName);
 						await compressor.CompressStreamDictionaryAsync(archiveStream, new Dictionary<string, Stream>() { { fileName, contents } }, Credentials.Password, ms);