WebDavSharp/WebDavSharp_MVC/WebDAVSharp.Server/MethodHandlers/WebDavOptionsMethodHandler.cs

50 lines
2.1 KiB
C#

using System;
using System.Collections.Generic;
using System.Web;
using WebDAVSharp.Server.Adapters;
using WebDAVSharp.Server.Stores;
namespace WebDAVSharp.Server.MethodHandlers {
/// <summary>
/// This class implements the <c>OPTIONS</c> HTTP method for WebDAV#.
/// </summary>
internal class WebDavOptionsMethodHandler : WebDavMethodHandlerBase, IWebDavMethodHandler {
/// <summary>
/// Gets the collection of the names of the HTTP methods handled by this instance.
/// </summary>
public IEnumerable<string> Names {
get {
return new[] { "OPTIONS" };
}
}
/// <summary>
/// Processes the request.
/// </summary>
/// <param name="server">The <see cref="WebDavServer" /> through which the request came in from the client.</param>
/// <param name="context">The
/// <see cref="IHttpListenerContext" /> object containing both the request and response
/// objects to use.</param>
/// <param name="store">The <see cref="IWebDavStore" /> that the <see cref="WebDavServer" /> is hosting.</param>
public void ProcessRequest(WebDavServer server, HttpContext context, IWebDavStore store, String fileName) {
List<string> verbsAllowed = new List<string> { "OPTIONS", "TRACE", "GET", "HEAD", "POST", "COPY", "PROPFIND", "LOCK", "UNLOCK" };
List<string> verbsPublic = new List<string> { "OPTIONS", "GET", "HEAD", "PROPFIND", "PROPPATCH", "MKCOL", "PUT", "DELETE", "COPY", "MOVE", "LOCK", "UNLOCK" };
foreach (string verb in verbsAllowed)
context.Response.AppendHeader("Allow", verb);
foreach (string verb in verbsPublic)
context.Response.AppendHeader("Public", verb);
//tell MS Office specifically: yes, this is a WebDAV Server, and yes, we want you to use WebDAV to edit documents
//see. https://msdn.microsoft.com/en-us/library/cc250217.aspx
//and: http://stackoverflow.com/questions/40460818/ms-office-opens-documents-readonly-with-webdav
// or: https://answers.microsoft.com/en-us/msoffice/forum/msoffice_word-mso_winother/office-opens-documents-readonly-with-webdav/a1a6dbb6-4041-41a6-9701-8c70343da6ce
context.Response.AppendHeader("MS-Author-Via", "DAV");
// Sends 200 OK
context.SendSimpleResponse();
}
}
}