You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
2.9 KiB
87 lines
2.9 KiB
/*
|
|
* Copyright (C) Alibaba Cloud Computing
|
|
* All rights reserved.
|
|
*
|
|
* 版权所有 （C）阿里云计算有限公司
|
|
*/
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics;
|
|
using System.Globalization;
|
|
using System.Text;
|
|
|
|
namespace Aliyun.Api.LOG.Common.Utilities
|
|
{
|
|
/// <summary>
|
|
/// Description of HttpUtils.
|
|
/// </summary>
|
|
internal static class HttpUtils
|
|
{
|
|
public const string UTF8Charset = "utf-8";
|
|
public const string Iso88591Charset = "iso-8859-1";
|
|
|
|
/// <summary>
|
|
/// Builds the URI parameter string from the request parameters.
|
|
/// </summary>
|
|
/// <param name="parameters"></param>
|
|
/// <returns></returns>
|
|
public static string GetRequestParameterString(IEnumerable<KeyValuePair<string, string>> parameters)
|
|
{
|
|
StringBuilder stringBuilder = new StringBuilder();
|
|
bool isFirst = true;
|
|
foreach (var p in parameters)
|
|
{
|
|
Debug.Assert(!string.IsNullOrEmpty(p.Key), "Null Or empty key is not allowed.");
|
|
if (!isFirst)
|
|
{
|
|
stringBuilder.Append("&");
|
|
}
|
|
isFirst = false;
|
|
stringBuilder.Append(p.Key);
|
|
if (p.Value != null)
|
|
{
|
|
stringBuilder.Append("=").Append(UrlEncode(p.Value, UTF8Charset));
|
|
}
|
|
}
|
|
|
|
return stringBuilder.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Encodes the URL.
|
|
/// </summary>
|
|
/// <param name="data"></param>
|
|
/// <param name="charset"></param>
|
|
/// <returns></returns>
|
|
public static string UrlEncode(string data, string charset = UTF8Charset)
|
|
{
|
|
Debug.Assert(data != null && !string.IsNullOrEmpty(charset));
|
|
|
|
StringBuilder stringBuilder = new StringBuilder(data.Length * 2);
|
|
string text = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_.~";
|
|
byte[] bytes = Encoding.GetEncoding(charset).GetBytes(data);
|
|
foreach (char c in bytes)
|
|
{
|
|
if (text.IndexOf(c) != -1)
|
|
{
|
|
stringBuilder.Append(c);
|
|
}
|
|
else
|
|
{
|
|
stringBuilder.Append("%").Append(
|
|
string.Format(CultureInfo.InvariantCulture, "{0:X2}", (int)c));
|
|
}
|
|
}
|
|
return stringBuilder.ToString();
|
|
}
|
|
|
|
// Convert a text from one charset to another.
|
|
public static string ReEncode(string text, string fromCharset, string toCharset)
|
|
{
|
|
Debug.Assert(text != null);
|
|
var buffer = Encoding.GetEncoding(fromCharset).GetBytes(text);
|
|
return Encoding.GetEncoding(toCharset).GetString(buffer);
|
|
}
|
|
}
|
|
}
|
|
|