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113 lines
3.1 KiB
C#
113 lines
3.1 KiB
C#
#region MIT License
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/**
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* Ext.cs
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*
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* The MIT License
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*
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* Copyright (c) 2010 sta.blockhead
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#endregion
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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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namespace WebSocketSharp
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{
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public static class Ext
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{
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public static bool EqualsWithSaveTo(this int asByte, char c, List<byte> dist)
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{
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byte b = (byte)asByte;
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dist.Add(b);
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return b == Convert.ToByte(c);
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}
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public static uint GenerateKey(this Random rand, int space)
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{
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uint max = (uint)(0xffffffff / space);
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int upper16 = (int)((max & 0xffff0000) >> 16);
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int lower16 = (int)(max & 0x0000ffff);
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return ((uint)rand.Next(upper16 + 1) << 16) + (uint)rand.Next(lower16 + 1);
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}
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public static char GeneratePrintableASCIIwithoutSPandNum(this Random rand)
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{
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int ascii = rand.Next(2) == 0 ? rand.Next(33, 48) : rand.Next(58, 127);
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return Convert.ToChar(ascii);
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}
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public static string GenerateSecKey(this Random rand, out uint key)
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{
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int space = rand.Next(1, 13);
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int ascii = rand.Next(1, 13);
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key = rand.GenerateKey(space);
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long mKey = key * space;
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List<char> secKey = new List<char>(mKey.ToString().ToCharArray());
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int i;
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ascii.Times( () =>
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{
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i = rand.Next(secKey.Count + 1);
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secKey.Insert(i, rand.GeneratePrintableASCIIwithoutSPandNum());
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} );
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space.Times( () =>
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{
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i = rand.Next(1, secKey.Count);
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secKey.Insert(i, ' ');
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} );
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return new String(secKey.ToArray());
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}
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public static Byte[] InitializeWithPrintableASCII(this Byte[] bytes, Random rand)
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{
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for (int i = 0; i < bytes.Length; i++)
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{
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bytes[i] = (byte)rand.Next(32, 127);
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}
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return bytes;
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}
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public static void NotEqualsDo(this string expected, string actual, Action<string, string> act)
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{
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if (expected != actual)
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{
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act(expected, actual);
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}
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}
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public static void Times(this int n, Action act)
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{
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for (int i = 0; i < n; i++)
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{
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act();
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}
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}
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}
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}
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