using System;
using System.Text;
using System.Configuration;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Web;
using System.IO;
namespace Com.ABC.Mylanqiu.BLL
{
public class QQOAuthHelper
{
string appID = ConfigurationManager.AppSettings["QQAppID"];
string appKey = ConfigurationManager.AppSettings["QQAppKey"];
/// <summary>
/// 获取oauth信息
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
public QQOauthInfo GetOauthInfo(string code)
{
string callback = System.Web.HttpUtility.UrlEncode(ConfigurationManager.AppSettings["QQCallBack"], Encoding.UTF8);
string url = string.Format("https://graph.qq.com/oauth2.0/token?grant_type={0}&client_id={1}&client_secret={2}&code={3}&redirect_uri={4}", "authorization_code", appID, appKey, code, callback);
string res = LoadHtmlUserGetType(url, Encoding.UTF8);
QQOauthInfo qqOauthInfo = new QQOauthInfo();
qqOauthInfo.AccessToken = CutString(res, "access_token=", "&expires_in=");
qqOauthInfo.ExpiresIn = CutString(res, "&expires_in=", "&refresh_token=");
qqOauthInfo.RefreshToken = res.Split(new string[] { "&refresh_token=" }, StringSplitOptions.None)[1];
return qqOauthInfo;
}
/// <summary>
/// 截取字符串中两个字符串中的字符串
/// </summary>
/// <param name="str">字符串</param>
/// <param name="startStr">开始字符串</param>
/// <param name="endStr">结束字符串</param>
/// <returns></returns>
private string CutString(string str, string startStr, string endStr)
{
int begin, end;
begin = str.IndexOf(startStr, 0) + startStr.Length; //开始位置
end = str.IndexOf(endStr, begin); //结束位置
return str.Substring(begin, end - begin); //取搜索的条数，用结束的位置-开始的位置,并返回
}
/// <summary>
/// 通过GET方式获取页面的方法
/// </summary>
/// <param name="urlString">请求的URL</param>
/// <param name="encoding">页面编码</param>
/// <returns></returns>
public string LoadHtmlUserGetType(string urlString, Encoding encoding)
{
HttpWebRequest httpWebRequest = null;
HttpWebResponse httpWebRespones = null;
Stream stream = null;
string htmlString = string.Empty;
try
{
httpWebRequest = WebRequest.Create(urlString) as HttpWebRequest;
}
catch (Exception ex)
{
throw new Exception("建立页面请求时发生错误！", ex);
}
httpWebRequest.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; Maxthon 2.0)";
try
{
httpWebRespones = (HttpWebResponse)httpWebRequest.GetResponse();
stream = httpWebRespones.GetResponseStream();
}
catch (Exception ex)
{
throw new Exception("接受服务器返回页面时发生错误！", ex);
}
StreamReader streamReader = new StreamReader(stream, encoding);
try
{
htmlString = streamReader.ReadToEnd();
}
catch (Exception ex)
{
throw new Exception("读取页面数据时发生错误！", ex);
}
streamReader.Close();
stream.Close();
return htmlString;
}
/// <summary>
/// 获取QQ账号的OpenID
/// </summary>
/// <param name="qqOauthInfo"></param>
/// <returns></returns>
public string GetOpenID(QQOauthInfo qqOauthInfo)
{
string res = LoadHtmlUserGetType("https://graph.qq.com/oauth2.0/me?access_token=" + qqOauthInfo.AccessToken, Encoding.UTF8);
return CutString(res, @"openid"":""", @"""}");
}
/// <summary>
/// 获取QQ昵称
/// </summary>
/// <param name="qqOauthInfo"></param>
/// <param name="openID"></param>
/// <returns></returns>
public string GetUserInfo(QQOauthInfo qqOauthInfo, string openID)
{
string urlGetInfo = string.Format(@"https://graph.qq.com/user/get_user_info?access_token={0}&oauth_consumer_key={1}&openid={2}", qqOauthInfo.AccessToken,appID, openID);
string resUserInfo = LoadHtmlUserGetType(urlGetInfo, Encoding.UTF8);
return CutString(resUserInfo, @"""nickname"": """, @""",");
}
}
public class QQOauthInfo
{
public string AccessToken { get; set; }
public string ExpiresIn { get; set; }
public string RefreshToken { get; set; }
}
}
