lyfz_repos/其他源码/微信开放平台/LYFZ.Weixin.SDK/BasicAPI.cs

/*--------------------------------------------------------------------------
* BasicAPI.cs
 *Auth:deepleo
* Date:2013.12.31
* Email:2586662969@qq.com
 * Website:http://www.weixinsdk.net
*--------------------------------------------------------------------------*/

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net.Http;
using Codeplex.Data;
using System.IO;
using LYFZ.Weixin.SDK.Helpers;

namespace LYFZ.Weixin.SDK
{
    /// <summary>
    /// 对应微信API的 "基础支持"
    /// </summary>
    public class BasicAPI
    {
        /// <summary>
        /// 检查签名是否正确:
        /// http://mp.weixin.qq.com/wiki/index.php?title=%E6%8E%A5%E5%85%A5%E6%8C%87%E5%8D%97
        /// </summary>
        /// <param name="signature"></param>
        /// <param name="timestamp"></param>
        /// <param name="nonce"></param>
        /// <param name="token">AccessToken</param>
        /// <param name="ent">返回正确的签名</param>
        /// <returns>
        /// true: check signature success
        /// false: check failed, 非微信官方调用!
        /// </returns>
        public static bool CheckSignature(string signature, string timestamp, string nonce, string token, out string ent)
        {
            string enText = GetSignature(timestamp, nonce, token);
            ent = enText;
            return signature == enText;
        }
        /// <summary>
        /// 返回正确的签名
        /// </summary>
        /// <param name="timestamp"></param>
        /// <param name="nonce"></param>
        /// <param name="token"></param>
        /// <returns></returns>
        public static string GetSignature(string timestamp, string nonce, string token = null)
        {
            var arr = new[] { token, timestamp, nonce }.OrderBy(z => z).ToArray();
            var arrString = string.Join("", arr);
            //var enText = FormsAuthentication.HashPasswordForStoringInConfigFile(arrString, "SHA1");//使用System.Web.Security程序集
            var sha1 = System.Security.Cryptography.SHA1.Create();
            var sha1Arr = sha1.ComputeHash(Encoding.UTF8.GetBytes(arrString));
            StringBuilder enText = new StringBuilder();
            foreach (var b in sha1Arr)
            {
                enText.AppendFormat("{0:x2}", b);
            }

            return enText.ToString();
        }

        /// <summary>
        /// 获取AccessToken
        /// http://mp.weixin.qq.com/wiki/index.php?title=%E8%8E%B7%E5%8F%96access_token
        /// </summary>
        /// <param name="grant_type"></param>
        /// <param name="appid"></param>
        /// <param name="secrect"></param>
        /// <returns>access_toke</returns>
        public static dynamic GetAccessToken(string appid, string secrect)
        {
            var url = string.Format("https://api.weixin.qq.com/cgi-bin/token?grant_type={0}&appid={1}&secret={2}", "client_credential", appid, secrect);
            var client = new HttpClient();
            var result = client.GetAsync(url).Result;
            if (!result.IsSuccessStatusCode) return string.Empty;
            var token = DynamicJson.Parse(result.Content.ReadAsStringAsync().Result);
            return token;
        }
        /// <summary>
        /// 获取微信服务器IP地址
        ///http://mp.weixin.qq.com/wiki/0/2ad4b6bfd29f30f71d39616c2a0fcedc.html
        /// </summary>
        /// <param name="access_token"></param>
        /// <returns>{"ip_list":["127.0.0.1","127.0.0.1"]}</returns>
        public static dynamic GetCallbackIP(string access_token)
        {
            var url = string.Format("https://api.weixin.qq.com/cgi-bin/getcallbackip?access_token={0}", access_token);
            var client = new HttpClient();
            var result = client.GetAsync(url).Result;
            if (!result.IsSuccessStatusCode) return string.Empty;
            return DynamicJson.Parse(result.Content.ReadAsStringAsync().Result);
        }

        /// <summary>
        /// 获取Api_Component_Token
        /// https://api.weixin.qq.com/cgi-bin/component/api_component_token
        /// </summary>
        /// <param name="postData"></param>
        /// <returns>access_toke</returns>
        public static dynamic GetApi_Component_Token(string postData,out string retMsg)
        {
          // string temps= DynamicJson.Parse(postData).component_access_token;
            try
            {
                var url = string.Format("https://api.weixin.qq.com/cgi-bin/component/api_component_token");
                CustomMenuAPI.SetServicePointManagerSecurityProtocol(url);
                var client = new HttpClient();
                var result = client.PostAsync(url, new StringContent(postData)).Result;
                retMsg = result.Content.ReadAsStringAsync().Result;
                try
                {
                    return DynamicJson.Parse(retMsg);
                }
                catch
                {
                    return null;
                }
            }
            catch (Exception ex){
                retMsg = ex.Message;
                return null;
            }
        }
        
        /// <summary>
        /// 获取（刷新）授权公众号的令牌
        /// https://api.weixin.qq.com/cgi-bin/component/api_component_token
        /// </summary>
        /// <param name="component_access_token"></param>
        /// <param name="postData"></param>
        /// <returns>access_toke</returns>
        public static dynamic GetApi_Authorizer_Token(string component_access_token, string postData)
        {
            // string temps= DynamicJson.Parse(postData).component_access_token;
            var url = string.Format("https://api.weixin.qq.com/cgi-bin/component/api_authorizer_token?component_access_token=" + component_access_token);
            CustomMenuAPI.SetServicePointManagerSecurityProtocol(url);
            var client = new HttpClient();
            var result = client.PostAsync(url, new StringContent(postData)).Result;
            return DynamicJson.Parse(result.Content.ReadAsStringAsync().Result);
        }

        /// <summary>
        ///获取预授权码pre_auth_code
        /// https://api.weixin.qq.com/cgi-bin/component/api_create_preauthcode?component_access_token=
        /// </summary>
        /// <param name="component_access_token"></param>
        /// <param name="postData"></param>
        /// <returns>access_toke</returns>
        public static dynamic GetApi_Component_PreAuthCode(string component_access_token, string postData, out string retMsg)
        {
            try
            {
                var url = string.Format("https://api.weixin.qq.com/cgi-bin/component/api_create_preauthcode?component_access_token=" + component_access_token);
                CustomMenuAPI.SetServicePointManagerSecurityProtocol(url);
                var client = new HttpClient();
                var result = client.PostAsync(url, new StringContent(postData)).Result;
                retMsg = result.Content.ReadAsStringAsync().Result;
                try
                {
                    return DynamicJson.Parse(retMsg);
                }
                catch
                {
                    return null;
                }
            }
            catch (Exception ex)
            {
                retMsg = ex.Message;
                return null;
            }

        }

        /// <summary>
        ///获取授权Authorization_Info
        ///使用授权码换取公众号的接口调用凭据和授权信息
        /// https://api.weixin.qq.com/cgi-bin/component/api_query_auth?component_access_token=xxxx
        /// </summary>
        /// <param name="component_access_token"></param>
        /// <param name="postData"></param>
        /// <returns>access_toke</returns>
        public static dynamic GetAuthorization_Info(string component_access_token, string postData, out string retMsg)
        {
            try
            {
                var url = string.Format("https://api.weixin.qq.com/cgi-bin/component/api_query_auth?component_access_token=" + component_access_token);
                CustomMenuAPI.SetServicePointManagerSecurityProtocol(url);
                var client = new HttpClient();
                var result = client.PostAsync(url, new StringContent(postData)).Result;
                retMsg = result.Content.ReadAsStringAsync().Result;
                try
                {
                    return DynamicJson.Parse(retMsg);
                }
                catch
                {
                    return null;
                }
            }
            catch (Exception ex)
            {
                retMsg = ex.Message;
                return null;
            }
        }

        /// <summary>
        ///获取（刷新）授权公众号的接口调用凭据（令牌）
        /// https://api.weixin.qq.com/cgi-bin/component/api_authorizer_token?component_access_token=xxxxx
        /// </summary>
        /// <param name="component_access_token"></param>
        /// <param name="postData"></param>
        /// <returns>access_toke</returns>
        public static dynamic GetAuthorizer_Refresh_Token(string component_access_token, string postData, out string retMsg)
        {
            try
            {
                var url = string.Format("https://api.weixin.qq.com/cgi-bin/component/api_authorizer_token?component_access_token=" + component_access_token);
                CustomMenuAPI.SetServicePointManagerSecurityProtocol(url);
                var client = new HttpClient();
                var result = client.PostAsync(url, new StringContent(postData)).Result;
                retMsg = result.Content.ReadAsStringAsync().Result;
                try
                {
                    return DynamicJson.Parse(retMsg);
                }
                catch
                {
                    return null;
                }
            }
            catch (Exception ex)
            {
                retMsg = ex.Message;
                return null;
            }
        }

        public static dynamic JsonToDynamic(string jsonString)
        {
            return DynamicJson.Parse(jsonString);
        }
    }
}