CE/HiTeachCE/Controllers/LoginController.cs

using DingTalk.Api;
using DingTalk.Api.Request;
using DingTalk.Api.Response;
using Hei.Captcha;
using HiTeachCE.Dtos;
using HiTeachCE.Extension;
using HiTeachCE.Helpers;
using HiTeachCE.Models;
using HiTeachCE.Services;
using IdentityModel;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Options;
using OpenXmlPowerTools;
using Org.BouncyCastle.Ocsp;
using SshNet.Security.Cryptography;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Linq.Expressions;
using System.Security.Claims;
using System.Text.Json;
using System.Threading.Tasks;
using System.Web;
using TEAMModelOS.SDK.Context.Configuration;
using TEAMModelOS.SDK.Context.Exception;
using TEAMModelOS.SDK.Extension.DataResult.JsonRpcRequest;
using TEAMModelOS.SDK.Extension.DataResult.JsonRpcResponse;
using TEAMModelOS.SDK.Extension.JwtAuth.Models;
using TEAMModelOS.SDK.Helper.Common.CollectionHelper;
using TEAMModelOS.SDK.Helper.Common.JsonHelper;
using TEAMModelOS.SDK.Helper.Security.ShaHash;

namespace HiTeachCE.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class LoginController : BaseController
    {

        public static int smsTTL = 4 * 60;
        public static int ticketTTL = 1 * 24 * 60 * 60;
        //public static int freeTTL = 7 * 24 * 60 * 60;
        public static int deviceTTL = 1 * 24 * 60 * 60;
        public static string freeOrg = "7f847a9f05224184a5d01ee69a6b00d6";
        public static string model_teach = "teach";
        public static string model_prepare = "prepare";
        private readonly LecturerService lecturerService;
        private readonly OrganizationService organizationService;
        private readonly MemberService memberService;
        private readonly ActivationCodeService activationCodeService;

        private readonly SecurityCodeHelper securityCode;
        public LoginController(LecturerService lecturer, OrganizationService organization, MemberService member, ActivationCodeService activationCode, SecurityCodeHelper _securityCode)
        {
            lecturerService = lecturer;
            organizationService = organization;
            memberService = member;
            activationCodeService = activationCode;
            securityCode = _securityCode;
        }
        /// <summary>
        /// 注册装置
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost("regist")]
        [Authorize(Policy = Constant.Role_Lecturer)]

        public BaseJosnRPCResponse Regist(JosnRPCRequest<Dictionary<string, string>> request)
        {
            JsonRPCResponseBuilder builder = JsonRPCResponseBuilder.custom();
            string unionid = GetLoginUser(JwtClaimTypes.Id);
            /**
             "params": {
                    "deviceId": "f67fb5dd-ee1b-d3b7-9b95-61022d7e8acd",
                    "clientId": "931dee8c-74be-4c9b-a602-c74583b0e985",
                }
             */
            if (request.@params.TryGetValue("deviceId", out string deviceId) && request.@params.TryGetValue("orgCode", out string orgCode) && string.IsNullOrEmpty(unionid))
            {
                Dictionary<string, object> dict = ActivationValid(orgCode, unionid);
                if (dict != null && dict.TryGetValue("flag", out object flag) && bool.Parse(flag.ToString()))
                {
                    if (RedisHelper.HExists("device:" + deviceId, orgCode))
                    {
                    }
                    else
                    {
                        RedisHelper.HSet("device:" + deviceId, orgCode, unionid);
                        RedisHelper.Expire("device:" + deviceId, deviceTTL);
                    }
                    return builder.Data(new Dictionary<string, object> { { "deviceId", deviceId } }).build();
                }
                else
                {
                    throw new BizException("授权失败！", 2);
                }
            }
            else
            {
                throw new BizException("参数错误！", 2);
            }
        }


        /// <summary>
        /// 创建教室
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost("createGroup")]
        [Authorize(Policy = Constant.Role_Lecturer)]
        public BaseJosnRPCResponse CreateGroup(JosnRPCRequest<Dictionary<string, string>> request)
        {
            /** 
             "params": {
		            "deviceId": "f67fb5dd-ee1b-d3b7-9b95-61022d7e8acd",
		            "doBoundGroupNum": false,
		            "extraInfo": {}
	            }
             */

            JsonRPCResponseBuilder builder = JsonRPCResponseBuilder.custom();
            string ClientId =// new List<string>() { "fb564dde14df423cafac2085936e3b96" };
                GetLoginUser(JwtClaimTypes.ClientId);
            string groupNum;
            if (request.@params.TryGetValue("deviceId", out string deviceId) && string.IsNullOrEmpty(ClientId))
            {
                if (RedisHelper.HExists("device:" + ClientId, deviceId))
                {
                    groupNum = RedisHelper.HGet<string>("device:" + ClientId, deviceId);
                    if (string.IsNullOrEmpty(groupNum))
                    {
                        do
                        {
                            groupNum = RandGroupNum();
                        } while (RedisHelper.Exists("group:" + groupNum));
                        RedisHelper.HSet("group:" + groupNum, deviceId, null);
                        RedisHelper.Expire("group:" + groupNum, deviceTTL);
                        RedisHelper.HSet("device:" + ClientId, deviceId, groupNum);
                    }
                }
                else { throw new BizException("装置未注册", 2); }
            }
            else
            {
                throw new BizException("参数错误", 2);
            }
            return builder.Data(groupNum).build();
        }
        public string RandGroupNum()
        {
            Random random = new Random();
            String result = "";
            for (int i = 0; i < 6; i++)
            {
                result += random.Next(0, 10);
            }
            return result;
        }
        /// <summary>
        /// 加入教室
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost("joinGroup")]
        [Authorize(Policy = Constant.Role_LecturerLearner)]
        public BaseJosnRPCResponse JoinGroup(JosnRPCRequest<Dictionary<string, string>> request)
        {
            string ClientId = GetLoginUser(JwtClaimTypes.ClientId);
            string Unionid = GetLoginUser(JwtClaimTypes.Id);
            string Role = GetLoginUser(JwtClaimTypes.Role);
            JsonRPCResponseBuilder builder = JsonRPCResponseBuilder.custom();
            Dictionary<string, object> dict;
            /**
             "params": {
		            "deviceId": "f67fb5dd-ee1b-d3b7-9b95-61022d7e8acd",
		            "groupNum": "818288"
	            }
             */
            if (request.@params.TryGetValue("deviceId", out string deviceId) &&
                request.@params.TryGetValue("groupNum", out string groupNum) &&
                !string.IsNullOrEmpty(deviceId) && !string.IsNullOrEmpty(groupNum)
                )
            {
                if (RedisHelper.Exists("group:" + groupNum))
                {
                    dict = MqttInfo(ClientId, deviceId, groupNum, Unionid, Role);
                }
                else
                {
                    throw new BizException("教室不存在", 2);
                }
            }
            else
            {
                throw new BizException("参数错误", 2);
            }

            return builder.Data(dict).build();
        }

        private static Dictionary<string, object> MqttInfo(string ClientId, string deviceId, string groupNum, string Unionid, string Role)
        {
            string brokerHostName = BaseConfigModel.Configuration["brokerHostName"];

            Dictionary<string, object> dict = new Dictionary<string, object>();
            string password = brokerHostName + "/" + groupNum + "/" + deviceId + "/" + ClientId;
            //发给前端使用的
            string h1 = BCrypt.Net.BCrypt.HashPassword(password);
            //后端存储使用的
            string h2 = BCrypt.Net.BCrypt.HashPassword(h1, BCrypt.Net.SaltRevision.Revision2);
            bool validPassword = BCrypt.Net.BCrypt.Verify(h1, h2);
            string uname = password;
            Dictionary<string, string> connectInfo = new Dictionary<string, string>
            {
                { "brokerHostName", brokerHostName  },
                { "brokerHostNameWSS", "wss://" +brokerHostName+"/mqtt"} ,
                { "clientID", deviceId },
                //使用BCrypt加密
                { "password",h1} ,
                { "username",uname}
            };
            Dictionary<string, string> subscribeTopic = BaseConfigModel.Configuration.GetSection("SubscribeTopic").Get<Dictionary<string, string>>();
            subscribeTopic["receiveMsg"] = subscribeTopic["receiveMsg"].Replace("{deviceId}", deviceId);
            Dictionary<string, string> publishTopic = BaseConfigModel.Configuration.GetSection("PublishTopic").Get<Dictionary<string, string>>();
            publishTopic["sendMsg"] = publishTopic["sendMsg"].Replace("{deviceId}", deviceId).Replace("{groupNum}", groupNum);
            dict.Add("mqtt", new Dictionary<string, object>() { { "connectInfo", connectInfo }, { "publishTopic", publishTopic }, { "subscribeTopic", subscribeTopic } });
            List<string> topic = new List<string>();
            topic.AddRange(publishTopic.Values.ToList());
            topic.AddRange(subscribeTopic.Values.ToList());
            MQTTInfo mqtt = new MQTTInfo
            {
                brokerHostName = brokerHostName,
                brokerHostNameWSS = "wss://" + brokerHostName + "/mqtt",
                clientID = deviceId,
                //使用BCrypt加密
                password = h2,
                username = uname,
                topic = topic
            };
            var groupMember = new MQTTMember
            {
                clientId = ClientId,
                deviceId = deviceId,
                unionid = Unionid,
                role = "lecturer",
                groupNum = groupNum
            };
            RedisHelper.HSet("group:" + groupNum, deviceId, groupMember);
            RedisHelper.HSet("mqtt:" + deviceId, deviceId, mqtt);
            RedisHelper.Expire("mqtt:" + deviceId, deviceTTL);
            return dict;
        }




        /// <summary>
        /// 教学认证
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost("auth")]
        [Authorize(Policy = Constant.Role_Lecturer)]
        public BaseJosnRPCResponse Auth(JosnRPCRequest<object> request)
        {
            JsonRPCResponseBuilder builder = JsonRPCResponseBuilder.custom();
            string unionid = GetLoginUser(JwtClaimTypes.Id);
            string phoneNumber = GetLoginUser(JwtClaimTypes.PhoneNumber);
            Expression<Func<Member, bool>> mlinq = null;
            mlinq = m => m.unionid == unionid;
            List<Dictionary<string, object>> dict = new List<Dictionary<string, object>>();
            List<Member> members = memberService.GetList(mlinq);
            if (members.IsNotEmpty())
            {
                foreach (var code in members)
                {
                    var dt = ActivationValid(code.orgCode, unionid);
                    if (dt != null)
                    {
                        dict.Add(dt);
                    }
                }
            }
            else
            {
                long time = new DateTimeOffset(DateTime.UtcNow).ToUnixTimeSeconds();
                ///处理该机构是否激活人数达到上线
                Expression<Func<Member, bool>> limitlinq = null;
                limitlinq = m => m.orgCode == freeOrg && m.status == 1;
                List<Member> countMembers = memberService.GetList(limitlinq);
                Expression<Func<ActivationCode, bool>> alinq = null;
                alinq = m => m.orgCode == freeOrg && m.status == 1;
                List<ActivationCode> activationCodes = activationCodeService.GetList(alinq);
                if (activationCodes.IsNotEmpty())
                {
                    //判断组织机构人员是否已经达到最大激活数量
                    if (countMembers.IsNotEmpty() && countMembers.Count >= activationCodes[0].maximum)
                    {
                        //throw new BizException(":HiTeachCE(测试)授权人数超过上限！", 2);
                    }
                    else
                    {
                        List<string> RootUsers = BaseConfigModel.Configuration.GetSection("RootUser").Get<List<string>>();
                        string role = "admin,lecturer";
                        if (RootUsers.Contains(phoneNumber))
                        {
                            role = "root," + role;
                        }
                        Member member = new Member
                        {
                            id = Guid.NewGuid().ToString(),
                            orgCode = freeOrg,
                            admin = 0,
                            status = 1,
                            // expires = time + freeTTL,
                            unionid = unionid,
                            createTime = new DateTimeOffset(DateTime.UtcNow).ToUnixTimeSeconds()
                        };
                        bool flag = memberService.Insert(member);
                        if (flag)
                        {
                            var dt = ActivationValid(freeOrg, unionid);
                            if (dt != null)
                            {
                                dict.Add(dt);
                            }
                        }
                        else
                        {
                            //throw new BizException("无法加入:HiTeachCE(测试)！", 2);
                        }
                    }
                }
                else
                {

                }
            }
            return builder.Data(dict).build();
        }


        public Dictionary<string, object> ActivationValid(string orgCode, string unionid)
        {
            //调用ActivationCode
            Expression<Func<Organization, bool>> olinq = null;
            olinq = m => m.code == orgCode;
            Organization org = organizationService.GetList(olinq).FirstOrDefault();
            if (org != null)
            {
                Dictionary<string, object> dict = new Dictionary<string, object>() { { "org", new { orgCode = "", name = org.name } }, { "flag", false } };
                if (org.status != 1)
                {

                    dict.Add("msg", "组织机构被禁用！");
                }
                else
                {
                    //验证组织机构的激活码状态，时间，最大人数
                    Expression<Func<ActivationCode, bool>> linq = null;
                    linq = m => m.orgCode == org.code;
                    List<ActivationCode> activationCodes = activationCodeService.GetList(linq);
                    if (activationCodes.IsNotEmpty())
                    {
                        if (activationCodes[0].status == 1)
                        {
                            long time = new DateTimeOffset(DateTime.UtcNow).ToUnixTimeSeconds();

                            if (activationCodes[0].expires > time)
                            {
                                int max = activationCodes[0].maximum;
                                Expression<Func<Member, bool>> mlinq = null;
                                mlinq = l => l.orgCode == org.code;
                                List<Member> members = memberService.GetList(mlinq);
                                if (members.Count > max)
                                {
                                    dict.Add("msg", "产品授权人数超过上限！");
                                }
                                else
                                {
                                    if (members.Where(x => x.status == 1).Select(x => x.unionid).ToList().Contains(unionid))
                                    {
                                        dict["org"] = new { orgCode = org.code, name = org.name };
                                        dict["flag"] = true;
                                    }
                                    else
                                    {
                                        dict.Add("msg", "组织机构未对该用户授权！");
                                    }
                                }
                            }
                            else
                            {
                                dict.Add("msg", "产品授权已经过期！");
                            }
                        }
                        else
                        {
                            dict.Add("msg", "组织机构授权状态被禁用！");
                        }
                    }
                    else
                    {
                        dict.Add("msg", "组织机构没有授权信息！");
                    }

                }

                return dict;
            }
            return null;
        }




      
        /// <summary>
        /// 登录
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost("dingLogin")]
        public BaseJosnRPCResponse DingLogin(JosnRPCRequest<string> request)
        {
            JsonRPCResponseBuilder builder = JsonRPCResponseBuilder.custom();
         
            string accessKey = "dingoabikplouc0kaoq7io";
            string appSecret = "05FZlu_DY3PnrpHTxrWQHA-zRIkV1fE-zECbMCULr5SlCUmhmY7x44U4H1-oyhpc";
            IDingTalkClient client = new DefaultDingTalkClient("https://oapi.dingtalk.com/sns/getuserinfo_bycode");
            OapiSnsGetuserinfoBycodeRequest req = new OapiSnsGetuserinfoBycodeRequest();
            req.TmpAuthCode = request.@params;
            OapiSnsGetuserinfoBycodeResponse rsp = client.Execute(req, accessKey, appSecret);

            if (rsp.UserInfo != null && !string.IsNullOrEmpty(rsp.UserInfo.Unionid))
            {
                ///验证通过 验证信息存放在reids
                RedisHelper.HSet("TmpAuthCode:" + request.@params, request.@params, new DingUserInfo
                {
                    Unionid = rsp.UserInfo.Unionid,
                    Nick = rsp.UserInfo.Nick,
                    Openid = rsp.UserInfo.Openid
                });
                RedisHelper.Expire("TmpAuthCode:" + request.@params, ticketTTL);

                Expression<Func<Lecturer, bool>> linq = null;
                linq = l => l.dingUnionid == rsp.UserInfo.Unionid;
                List<Lecturer> list = lecturerService.GetList(linq);
                if (list.IsNotEmpty() && !string.IsNullOrEmpty(list[0].cellphone))
                {
                    RedisHelper.HSet("ticket:" + request.@params, list[0].cellphone, list[0].cellphone);
                    RedisHelper.Expire("ticket:" + request.@params, ticketTTL);
                    Dictionary<string, object> dict = UserValid(list[0].cellphone);
                    dict.Add("ticket", request.@params );
                    return builder.Data(dict).build();
                }
                else
                {
                    Dictionary<string, object> dict =  new Dictionary<string, object> {
                        { "status",1},
                    };
                    dict.Add("TmpAuthCode", request.@params);
                    return builder.Data(dict).build();
                }
            }
            else
            {
                throw new BizException("钉钉后端验证失败", 2);
            }
        }
        /// <summary>
        /// HmacSHA256算法,返回的结果始终是32位
        /// </summary>
        /// <param name="key">加密的键，可以是任何数据</param>
        /// <param name="content">待加密的内容</param>
        /// <returns></returns>
        public static byte[] HmacSHA256(byte[] key, byte[] content)
        {
            using (var hmacsha256 = new HMACSHA256(key))
            {
                byte[] hashmessage = hmacsha256.ComputeHash(content);
                return hashmessage;
            }
        }
        /// <summary>
        /// 登录
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost("phoneLogin")]
        public async Task<BaseJosnRPCResponse> PhoneLogin(JosnRPCRequest<Dictionary<string, string>> request)
        {
            JsonRPCResponseBuilder builder = JsonRPCResponseBuilder.custom();
            if (request.@params.TryGetValue("cellphone", out string cellphone) &&
                request.@params.TryGetValue("smsCode", out string smsCode)
                )
            {
                string ticket = ShaHashHelper.GetSHA1(cellphone + smsCode);
                if (RedisHelper.Exists("ticket:" + ticket))
                {
                    Dictionary<string, object> dict = UserValid(cellphone);
                    dict.Add("ticket", ticket);
                    return builder.Data(dict).build();
                }
                if (RedisHelper.Exists(cellphone))
                {
                    List<string> RootUsers = BaseConfigModel.Configuration.GetSection("RootUser").Get<List<string>>();
                    if (RootUsers.Contains(cellphone) && smsCode.Equals("000000"))
                    {
                        ///验证通过 验证信息存放在reids
                        RedisHelper.HSet("ticket:" + ticket, cellphone, cellphone);
                        RedisHelper.Expire("ticket:" + ticket, ticketTTL);
                        Dictionary<string, object> dict = UserValid(cellphone);
                        dict.Add("ticket", ticket);
                        return builder.Data(dict).build();
                    }
                    else
                    {
                        string[] vals = RedisHelper.HVals<string>(cellphone);
                        if (vals != null && vals.Length > 0)
                        {
                            string resdata = await HttpClientHelper.Post(
                            BaseConfigModel.Configuration["JPush:Valid"].Replace("{msg_id}", vals[0]),
                            BaseConfigModel.Configuration["JPush:AppKey"],
                            BaseConfigModel.Configuration["JPush:Secret"], new Dictionary<string, object> { { "code", smsCode } });
                            JsonElement element = resdata.FromApiJson<JsonElement>();
                            if (element.TryGetProperty("is_valid", out JsonElement json))
                            {
                                if (json.GetBoolean())
                                {
                                    ///验证通过 验证信息存放在reids
                                    RedisHelper.HSet("ticket:" + ticket, cellphone, cellphone);
                                    RedisHelper.Expire("ticket:" + ticket, ticketTTL);
                                    Dictionary<string, object> dict = UserValid(cellphone);
                                    dict.Add("ticket", ticket);
                                    return builder.Data(dict).build();
                                }
                                else
                                {
                                    throw new BizException("短信验证码过期！", 2);
                                }
                            }
                            else
                            {
                                throw new BizException("短信验证码过期！", 2);
                            }
                        }
                        else
                        {
                            throw new BizException("短信验证码过期！", 2);
                        }
                    }
                }
                else
                {
                    throw new BizException("短信验证码过期！", 2);
                }
            }
            else
            {
                throw new BizException("手机号、短信验证码未填写！", 2);
            }
            //如果验证通过则将验证信息缓存至redis 以防再次远程验证不通过

            //string uid = "";
            //List<Organization> organizations = GetOrgByUid(uid);
            //return builder.Data(organizations).build();
        }
        //  [HttpPost("GetOrgByUid")]
        public List<Organization> GetOrgByUid(string uid)
        {
            Expression<Func<Member, bool>> mlinq = null;
            mlinq = m => m.unionid == uid && m.status == 1;
            List<Member> members = memberService.GetList(mlinq);
            if (members.IsNotEmpty())
            {
                Expression<Func<Organization, bool>> olinq = null;
                olinq = o => members.Select(x => x.orgCode).ToList().Contains(o.code) && o.status == 1;
                List<Organization> organizations = organizationService.GetList(olinq);
                ///返回前端后倒计时10秒自动选择组织机构，以防再次验证的时候 reids过期
                return organizations;
            }
            else { return null; }
        }

        private Dictionary<string, object> UserValid(string cellphone)
        {
            Expression<Func<Lecturer, bool>> linq = null;
            linq = m => m.cellphone == cellphone;
            List<Lecturer> lecturers = lecturerService.GetList(linq);
            if (lecturers.IsNotEmpty())
            {
                var lecturer = lecturers[0];
                ClaimModel claimModel = new ClaimModel
                {
                    Scope = "WebApp"
                };
                claimModel.Claims.Add(new Claim(JwtClaimTypes.Name, lecturer.username));
                claimModel.Claims.Add(new Claim(JwtClaimTypes.Id, lecturer.unionid));
                claimModel.Claims.Add(new Claim(JwtClaimTypes.PhoneNumber, lecturer.cellphone));
                List<string> RootUsers = BaseConfigModel.Configuration.GetSection("RootUser").Get<List<string>>();
                string role = "admin,lecturer";
                if (RootUsers.Contains(lecturers[0].cellphone))
                {
                    role = "root," + role;
                }
                // claimModel.Claims.Add(new Claim(JwtClaimTypes.Role, role));
                // 可以将一个用户的多个角色全部赋予；
                claimModel.Claims.AddRange(role.Split(',').Select(s => new Claim(JwtClaimTypes.Role, s)));
                // claimModel.Claims.Add(new Claim(JwtClaimTypes.ClientId, activationCodes[0].clientId));
                //  claimModel.Claims.Add(new Claim("org", orgCode));
                JwtResponse jwtResponse = JwtHelper.IssueJWT(claimModel);
                lecturer.password = "";
                return new Dictionary<string, object> { { "status", 2 }, { "jwt", jwtResponse }, { "user", lecturer } };
            }
            else
            {
                //不存在用户则新增一个
                Random random = new Random();
                string seed = new string(Constant.az09);
                string pfx = "";
                for (int i = 0; i < 4; i++)
                {
                    string c = seed.ToCharArray()[random.Next(0, seed.Length)] + "";
                    seed.Replace(c, "");
                    pfx = pfx + c;
                }

                return new Dictionary<string, object> {
                    { "status",1},
                    { "user",new Lecturer
                        {
                            id= Guid.NewGuid().ToString(),
                            unionid= Guid.NewGuid().ToString("N"),
                            username=cellphone+"手机用户",
                            password="",
                            account="hitmd-"+cellphone.Substring(cellphone.Length-4,4)+"#"+pfx,
                            areaCode="86",
                            registerTime=new DateTimeOffset(DateTime.UtcNow).ToUnixTimeSeconds(),
                            status=1,
                            setaccount=0,
                            cellphone=cellphone,
                            avatar= "https://cdhabook.teammodel.cn/avatar/usertile"+random.Next(10, 44)+".png"
                        }
                    }
                };
            }
        }



        /// <summary>
        /// 初始化登录
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost("init")]
        public BaseJosnRPCResponse Init(JosnRPCRequest<string> request)
        {
            JsonRPCResponseBuilder builder = JsonRPCResponseBuilder.custom();
            if (!string.IsNullOrEmpty(request.@params))
            {
                var code = securityCode.GetRandomEnDigitalText(4).ToLower();
                var imgbyte = securityCode.GetGifEnDigitalCodeByte(code);
                string base64 = "data:image/png;base64," + Convert.ToBase64String(imgbyte);
                RedisHelper.HSet("captcha:" + request.@params, request.@params, code);
                RedisHelper.Expire("captcha:" + request.@params, smsTTL);
                return builder.Data(base64).Extend(new Dictionary<string, object> { { "code", code } }).build();
            }
            else
            {
                throw new BizException("随机码为空！", 2);
            }

        }



        /// <summary>
        /// 发送短信
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost("sendSMS")]
        public async Task<BaseJosnRPCResponse> SendSMS(JosnRPCRequest<CaptchaSms> request)
        {
            JsonRPCResponseBuilder builder = JsonRPCResponseBuilder.custom();
            string captcha = RedisHelper.HGet<string>("captcha:" + request.@params.randCode, request.@params.randCode);
            List<string> RootUsers = BaseConfigModel.Configuration.GetSection("RootUser").Get<List<string>>();
            bool f = !string.IsNullOrEmpty(captcha) && captcha.Equals(request.@params.captcha.ToLower());
            bool s = RootUsers.Contains(request.@params.cellphone) && request.@params.captcha.ToLower().Equals("0000");
            if (f || s)
            {
                string key = request.@params.cellphone;

                if (RedisHelper.Exists(key))
                {
                    string[] vals = RedisHelper.HVals<string>(key);
                    if (vals != null && vals.Length > 0)
                    {
                        Dictionary<string, object> data = new Dictionary<string, object>() { { "msgid", vals[0] }, { "repeat", true } };
                        return builder.Data(data).build();
                    }
                    else
                    {
                        return builder.Data(await SendMsg(key)).build();
                    }
                }
                else
                {
                    return builder.Data(await SendMsg(key)).build();
                }
            }
            else
            {
                throw new BizException("验证码错误！", 2);
            }
        }

        private static async Task<Dictionary<string, object>> SendMsg(string key)
        {
            List<string> RootUsers = BaseConfigModel.Configuration.GetSection("RootUser").Get<List<string>>();
            Dictionary<string, object> data = new Dictionary<string, object>() { { "mobile", key }, { "temp_id", 1 }, { "sign_id", "" } };

            if (RootUsers.Contains(key))
            {
                string msgidstr = key;
                RedisHelper.Del(new string[] { key });
                RedisHelper.HSet(key, key, msgidstr);
                RedisHelper.Expire(key, smsTTL);
                return new Dictionary<string, object>() { { "msgid", msgidstr }, { "repeat", false } };
            }
            else
            {
                string resdata = await HttpClientHelper.Post(
                BaseConfigModel.Configuration["JPush:Push"],
                BaseConfigModel.Configuration["JPush:AppKey"],
                BaseConfigModel.Configuration["JPush:Secret"], data);
                JsonElement element = resdata.FromApiJson<JsonElement>();
                if (element.TryGetProperty("msg_id", out JsonElement msgid))
                {
                    string msgidstr = msgid.GetString();
                    RedisHelper.Del(new string[] { key });
                    RedisHelper.HSet(key, key, msgidstr);
                    RedisHelper.Expire(key, smsTTL);
                    return new Dictionary<string, object>() { { "msgid", msgidstr }, { "repeat", false } };
                }
                else
                {
                    throw new BizException("短信发送失败！", 2);
                }
            }
        }
    }
}