wyb
2021-05-11 49ce087bd2a34a150597e1cc1da157af242c0b6d
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using Pcb.Business;
using Pcb.Common;
using Pcb.Common.Enum;
using System.Net.Http;
using System.Web.Http.Filters;
 
namespace Pcb.Api.Infrastructures
{
    /// <summary>
    /// Token验证拦截器
    /// </summary>
    public class UserTokenAttribute : AuthorizationFilterAttribute
    {
        /// <summary>
        /// 用户验证
        /// </summary>
        /// <param name="actionContext"></param>
        public override void OnAuthorization(System.Web.Http.Controllers.HttpActionContext actionContext)
        {
            base.OnAuthorization(actionContext);
            var crt = System.Web.HttpContext.Current;
            var userid = crt.Request["UserId"].ToInt2();
            if (userid==0)
            {
                goto ErrorResult;
            }
            var stoken = (string)crt.Session["Token"];
            if (string.IsNullOrEmpty(stoken))
            {
                var utk = new UserBiz().GetUserToken(userid);
                if (utk == null) { goto ErrorResult; }
                stoken = utk.Token;
                crt.Session["Token"] = stoken;
            }
            var tk = crt.Request["TmTk"];
            var vc = crt.Request["VerifyCode"];
            //LogHelper.Info("$$$$:userid=" + userid + ",stoken=" + stoken + ",tk=" + tk + ",vc=" + vc + ",svvc=" + EncryptUtils.MD5Encrypt(tk + stoken, false));
            if (!vc.Equals(EncryptUtils.MD5Encrypt(tk + stoken, false)))
            {
                goto ErrorResult;
            }
            return;
 
            ErrorResult:
            actionContext.Response = AppResponseMessageHelper.OK(EnumApiStatusCode.Fail, "无权限访问");
        }
 
        private HttpResponseMessage Response(string content)
        {         
            return new HttpResponseMessage() { StatusCode = System.Net.HttpStatusCode.Unauthorized, Content = new StringContent(content) };
        }
    }
}