81 lines
3.3 KiB
C#
81 lines
3.3 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using System.Web;
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using WebDAVSharp.Server.Adapters;
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using WebDAVSharp.Server.Exceptions;
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using WebDAVSharp.Server.Stores;
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namespace WebDAVSharp.Server.MethodHandlers {
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/// <summary>
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/// This class implements the <c>MOVE</c> HTTP method for WebDAV#.
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/// </summary>
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internal class WebDavMoveMethodHandler : WebDavMethodHandlerBase, IWebDavMethodHandler {
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/// <summary>
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/// Gets the collection of the names of the HTTP methods handled by this instance.
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/// </summary>
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/// <value>
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/// The names.
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/// </value>
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public IEnumerable<string> Names {
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get {
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return new[]
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{
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"MOVE"
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};
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}
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}
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/// <summary>
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/// Processes the request.
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/// </summary>
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/// <param name="server">The <see cref="WebDavServer" /> through which the request came in from the client.</param>
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/// <param name="context">The
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/// <see cref="IHttpListenerContext" /> object containing both the request and response
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/// objects to use.</param>
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/// <param name="store">The <see cref="IWebDavStore" /> that the <see cref="WebDavServer" /> is hosting.</param>
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public void ProcessRequest(WebDavServer server, HttpContext context, IWebDavStore store, String fileName) {
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var source = GetItem(server, store, fileName);
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MoveItem(server, context, store, source);
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}
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/// <summary>
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/// Moves the
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/// </summary>
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/// <param name="server">The <see cref="WebDavServer" /> through which the request came in from the client.</param>
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/// <param name="context">The
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/// <see cref="IHttpListenerContext" /> object containing both the request and response
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/// objects to use.</param>
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/// <param name="store">The <see cref="IWebDavStore" /> that the <see cref="WebDavServer" /> is hosting.</param>
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/// <param name="sourceWebDavStoreItem">The <see cref="IWebDavStoreItem" /> that will be moved</param>
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/// <exception cref="WebDAVSharp.Server.Exceptions.WebDavForbiddenException">If the source path is the same as the destination path</exception>
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/// <exception cref="WebDAVSharp.Server.Exceptions.WebDavPreconditionFailedException">If one of the preconditions failed</exception>
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private void MoveItem(WebDavServer server, HttpContext context, IWebDavStore store,
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IWebDavStoreItem sourceWebDavStoreItem) {
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Uri destinationUri = GetDestinationHeader(context.Request);
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IWebDavStoreCollection destinationParentCollection = GetParentCollection(server, store, ExtractLocalPath(server, destinationUri.AbsoluteUri));
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bool isNew = true;
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string destinationName = Uri.UnescapeDataString(destinationUri.Segments.Last().TrimEnd('/', '\\'));
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IWebDavStoreItem destination = destinationParentCollection.GetItemByName(destinationName);
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if (destination != null) {
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if (sourceWebDavStoreItem.ItemPath == destination.ItemPath)
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throw new WebDavForbiddenException();
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// if the overwrite header is F, statuscode = precondition failed
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if (!GetOverwriteHeader(context.Request))
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throw new WebDavPreconditionFailedException();
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// else delete destination and set isNew to false
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destinationParentCollection.Delete(destination);
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isNew = false;
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}
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destinationParentCollection.MoveItemHere(sourceWebDavStoreItem, destinationName);
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// send correct response
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context.SendSimpleResponse(isNew ? HttpStatusCode.Created : HttpStatusCode.NoContent);
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}
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}
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}
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