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Perf to ToUriComponent

This commit is contained in:
Justin Kotalik 2016-08-10 15:50:58 -07:00
parent d16614a653
commit 69729bc75b
2 changed files with 58 additions and 12 deletions
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34
src/Microsoft.AspNetCore.Http.Abstractions/HostString.cs
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@ -4,6 +4,7 @@
using System;
using System.Globalization;
using Microsoft.AspNetCore.Http.Abstractions;
using Microsoft.AspNetCore.Http.Internal;
namespace Microsoft.AspNetCore.Http
{
@ -123,20 +124,29 @@ namespace Microsoft.AspNetCore.Http
return string.Empty;
}
string host, port;
GetParts(out host, out port);
if (host.IndexOf('[') == -1)
{
var mapping = new IdnMapping();
host = mapping.GetAscii(host);
int i;
for (i = 0; i < _value.Length; ++i)
{
if (!HostStringHelper.IsSafeHostStringChar(_value[i]))
{
break;
}
}
return string.IsNullOrEmpty(port)
? host
: string.Concat(host, ":", port);
if (i != _value.Length)
{
string host, port;
GetParts(out host, out port);
var mapping = new IdnMapping();
host = mapping.GetAscii(host);
return string.IsNullOrEmpty(port)
? host
: string.Concat(host, ":", port);
}
return _value;
}
/// <summary>

36
src/Microsoft.AspNetCore.Http.Abstractions/Internal/HostStringHelper.cs Normal file
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@ -0,0 +1,36 @@
// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
namespace Microsoft.AspNetCore.Http.Internal
{
internal class HostStringHelper
{
// Allowed Characters:
// A-Z, a-z, 0-9, .,
// -, %, [, ], :
// Above for IPV6
private static bool[] SafeHostStringChars = {
false, false, false, false, false, false, false, false, // 0x00 - 0x07
false, false, false, false, false, false, false, false, // 0x08 - 0x0F
false, false, false, false, false, false, false, false, // 0x10 - 0x17
false, false, false, false, false, false, false, false, // 0x18 - 0x1F
false, false, false, false, false, true, false, false, // 0x20 - 0x27
false, false, false, false, false, true, true, false, // 0x28 - 0x2F
true, true, true, true, true, true, true, true, // 0x30 - 0x37
true, true, true, false, false, false, false, false, // 0x38 - 0x3F
false, true, true, true, true, true, true, true, // 0x40 - 0x47
true, true, true, true, true, true, true, true, // 0x48 - 0x4F
true, true, true, true, true, true, true, true, // 0x50 - 0x57
true, true, true, true, false, true, false, false, // 0x58 - 0x5F
false, true, true, true, true, true, true, true, // 0x60 - 0x67
true, true, true, true, true, true, true, true, // 0x68 - 0x6F
true, true, true, true, true, true, true, true, // 0x70 - 0x77
true, true, true, false, false, false, false, false, // 0x78 - 0x7F
};
public static bool IsSafeHostStringChar(char c)
{
return c < SafeHostStringChars.Length && SafeHostStringChars[c];
}
}
}