Created
March 1, 2025 10:20
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Http File server V2025
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| using System.Net.Mime; | |
| using Microsoft.AspNetCore.StaticFiles; | |
| var builder = WebApplication.CreateBuilder(args); | |
| builder.Services.AddSingleton(new RootDirectory(args[0])); | |
| var app = builder.Build(); | |
| app.MapGet("/{*path}", (string? path, RootDirectory dir) => | |
| { | |
| var fsItem = dir.Combine(path); | |
| return fsItem switch | |
| { | |
| {IsDirectory: true} => ListDirectory(), | |
| {IsFile: true} => Results.File(fsItem.Path, fsItem.ContentType), | |
| _ => Results.NotFound() | |
| }; | |
| IResult ListDirectory() | |
| { | |
| return Results.Stream(async s => | |
| { | |
| await using var sw = new StreamWriter(s); | |
| await sw.WriteLineAsync($""" | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> | |
| <title>{fsItem.Path}</title> | |
| </head> | |
| <body><h1>{fsItem.Path}</h1><ul> | |
| """); | |
| foreach (var d in fsItem.GetDirectories()) | |
| await sw.WriteLineAsync($"<li><DIR> <a href=\"{dir.Linkify(d)}\">{Path.GetFileName(d)}</a></li>"); | |
| foreach (var f in fsItem.GetFiles()) | |
| await sw.WriteLineAsync($"<li><a href=\"{dir.Linkify(f)}\">{Path.GetFileName(f)}</a></li>"); | |
| await sw.WriteLineAsync("</ul></body></html>"); | |
| }, MediaTypeNames.Text.Html); | |
| } | |
| }); | |
| app.Run(); | |
| internal record RootDirectory(string Root) | |
| { | |
| public FsItem Combine(string? path) => new(path != null ? Path.Combine(Root, path) : Root); | |
| public string Linkify(string path) => path.Replace(Root, "").Replace('\\', '/'); | |
| } | |
| internal record FsItem(string Path) | |
| { | |
| private static readonly FileExtensionContentTypeProvider Extensions = new(); | |
| public bool IsDirectory => Directory.Exists(Path); | |
| public bool IsFile => File.Exists(Path); | |
| public string? ContentType => Extensions.TryGetContentType(Path, out var contentType) ? contentType : null; | |
| public string[] GetDirectories() => Directory.GetDirectories(Path); | |
| public string[] GetFiles() => Directory.GetFiles(Path); | |
| } |
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