105 lines
3.2 KiB
C#
105 lines
3.2 KiB
C#
// /**
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// * File: FileSystemRouter.cs
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// * Author: haraldwolff
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// *
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// * This file and it's content is copyrighted by the Author and / or copyright holder.
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// * Any use wihtout proper permission is illegal and may lead to legal actions.
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// *
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// *
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// **/
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using System;
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using System.IO;
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using System.Collections.Generic;
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using ln.http.mime;
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namespace ln.http
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{
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public class FileSystemRouter : IDisposable
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{
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private string _rootPath;
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public String RootPath
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{
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get => _rootPath;
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private set
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{
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_rootPath = Path.GetFullPath(value);
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}
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}
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List<string> indexNames = new List<string>();
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public String[] IndexNames => indexNames.ToArray();
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private HttpServer _httpServer;
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private HttpRouter _parentRouter;
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private HttpRouter.HttpMapping _parentMapping;
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public FileSystemRouter(HttpServer httpServer, string path)
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{
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_httpServer = httpServer;
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httpServer?.AddRouter(this.Route);
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if (!Directory.Exists(path))
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throw new FileNotFoundException();
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RootPath = path;
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Console.Error.WriteLine("FileSystemRouter created ({0})", RootPath);
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AddIndex("index.html");
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AddIndex("index.htm");
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}
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public FileSystemRouter(string path)
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:this(null, path)
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{
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}
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public FileSystemRouter(HttpRouter parentRouter, string mappingPath, string path)
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:this(null, path)
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{
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_parentRouter = parentRouter;
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_parentMapping = _parentRouter.Map(HttpMethod.ANY, mappingPath, this.Route);
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}
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public void AddIndex(string indexName) => indexNames.Add(indexName);
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public void RemoveIndex(string indexName) => indexNames.Remove(indexName);
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public bool Route(HttpContext httpContext)
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{
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string finalPath = httpContext.RoutableUri.Length > 0 ? Path.Combine(RootPath, httpContext.RoutableUri.Substring(1)) : ".";
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if (Directory.Exists(finalPath))
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{
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foreach (string indexName in indexNames)
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{
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string indexFileName = Path.Combine(finalPath, indexName);
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if (File.Exists(indexFileName))
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{
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finalPath = indexFileName;
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break;
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}
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}
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}
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if (File.Exists(finalPath))
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{
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lock (this)
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{
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httpContext.Response = new HttpResponse(httpContext.Request, new FileStream(finalPath, FileMode.Open, FileAccess.Read));
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httpContext.Response.SetHeader("content-type", MimeTypeMap.GetMimeType(Path.GetExtension(finalPath)));
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return true;
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}
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}
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return false;
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}
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public void Dispose()
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{
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_httpServer?.RemoveRouter(this.Route);
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_httpServer = null;
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_parentRouter?.RemoveHttpMapping(_parentMapping);
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_parentMapping = null;
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_parentRouter = null;
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}
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}
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}
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