irc-netcore-api/IRaCIS.Core.API/_PipelineExtensions/IRacisHostFile/MultiDiskStaticFilesMiddlew...

92 lines
2.7 KiB
C#

using IRaCIS.Core.Domain.Share;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.StaticFiles;
using Microsoft.Extensions.FileProviders;
using Microsoft.Extensions.FileProviders.Physical;
using Microsoft.Extensions.Hosting.Internal;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using Microsoft.VisualBasic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
namespace IRaCIS.Core.API
{
public class MultiDiskStaticFilesMiddleware
{
private readonly RequestDelegate _next;
private readonly IWebHostEnvironment _hostingEnv;
private readonly StaticFileOptions _options;
private readonly ILoggerFactory _loggerFactory;
public MultiDiskStaticFilesMiddleware(RequestDelegate next, IWebHostEnvironment hostingEnv, StaticFileOptions options, ILoggerFactory loggerFactory)
{
_next = next;
_hostingEnv = hostingEnv;
_options = options;
_loggerFactory = loggerFactory;
}
public async Task Invoke(HttpContext context)
{
var path = context.Request.Path.Value;
var isIRacisFile = path.StartsWith($"/{StaticData.Folder.IRaCISDataFolder}");
var isDicomFile = path.Contains($"{StaticData.Folder.DicomFolder}");
var isFind = false;
if (isIRacisFile)
{
}
if (isDicomFile)
{
}
// 如果所有磁盘都不存在所请求的文件,则将请求传递给下一个中间件组件。
await _next.Invoke(context);
}
private async Task ServeFileAsync(HttpContext context, IFileInfo fileInfo)
{
var response = context.Response;
response.ContentType = GetContentType(fileInfo.PhysicalPath);
using (var fileStream = fileInfo.CreateReadStream())
{
await fileStream.CopyToAsync(response.Body);
}
}
private string[] GetDisks()
{
// 获取系统中所有可用的磁盘
return DriveInfo.GetDrives()
.Where(d => d.IsReady && d.DriveType == DriveType.Fixed)
.Select(d => d.RootDirectory.FullName)
.ToArray();
}
private static string GetContentType(string path)
{
var provider = new FileExtensionContentTypeProvider();
if (!provider.TryGetContentType(path, out var contentType))
{
contentType = "application/octet-stream";
}
return contentType;
}
}
}