OAuth/Sina/BaseHttpRequest.cs

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using System;
using System.Configuration;
using System.Globalization;
using System.IO;
using System.Net;
using System.Web;

namespace OAuth.Sina
{
    public abstract class BaseHttpRequest : oAuthBase,IHttpRequestMethod
    {
        private const string OAuthSignaturePattern = "OAuth oauth_consumer_key=\"{0}\", oauth_signature_method=\"HMAC-SHA1\",oauth_timestamp=\"{1}\", oauth_nonce=\"{2}\", oauth_version=\"1.0\", oauth_token=\"{3}\",oauth_signature=\"{4}\"";

        #region Properties
        private string _appKey;
        private string _appSecret;

        public string AppKey
        {
            get
            {
                if (string.IsNullOrEmpty(_appKey))
                {
                    _appKey = SinaConfig.AppKey;
                }
                return _appKey;
            }
        }

        public string AppSecret
        {
            get
            {
                if (string.IsNullOrEmpty(_appSecret))
                {
                    _appSecret = SinaConfig.AppSecret;
                }
                return _appSecret;
            }
        }

        public string Token
        {
            get; set;
        }

        public string TokenSecret
        {
            get; set;
        }

        public string UserRemoteIP { get; set; }

        #endregion

        protected string AppendSignatureString(string method, string url, out string outUrl)
        {
            string querystring;
            var signature = GenerateSignature(url, method, out outUrl, out querystring);