74 lines
2.2 KiB
C#
74 lines
2.2 KiB
C#
// Copyright (c) Microsoft Open Technologies, Inc.
|
|
// All Rights Reserved
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR
|
|
// CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
|
|
// WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF
|
|
// TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR
|
|
// NON-INFRINGEMENT.
|
|
// See the Apache 2 License for the specific language governing
|
|
// permissions and limitations under the License.
|
|
|
|
using System;
|
|
using System.Threading.Tasks;
|
|
using Microsoft.AspNet.Routing;
|
|
|
|
namespace RoutingSample.Web
|
|
{
|
|
internal class PrefixRoute : IRouter
|
|
{
|
|
private readonly IRouter _target;
|
|
private readonly string _prefix;
|
|
|
|
public PrefixRoute(IRouter target, string prefix)
|
|
{
|
|
_target = target;
|
|
|
|
if (prefix == null)
|
|
{
|
|
prefix = "/";
|
|
}
|
|
else if (prefix.Length > 0 && prefix[0] != '/')
|
|
{
|
|
// owin.RequestPath starts with a /
|
|
prefix = "/" + prefix;
|
|
}
|
|
|
|
if (prefix.Length > 1 && prefix[prefix.Length - 1] == '/')
|
|
{
|
|
prefix = prefix.Substring(0, prefix.Length - 1);
|
|
}
|
|
|
|
_prefix = prefix;
|
|
}
|
|
|
|
public async Task RouteAsync(RouteContext context)
|
|
{
|
|
if (context.RequestPath.StartsWith(_prefix, StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
if (context.RequestPath.Length > _prefix.Length)
|
|
{
|
|
var lastCharacter = context.RequestPath[_prefix.Length];
|
|
if (lastCharacter != '/' && lastCharacter != '#' && lastCharacter != '?')
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
|
|
await _target.RouteAsync(context);
|
|
}
|
|
}
|
|
|
|
public string GetVirtualPath(VirtualPathContext context)
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
}
|