/// <summary>
/// 在调用操作方法之前发生。
/// </summary>
/// <param name="actionContext">操作上下文。</param>
public override async System.Threading.Tasks.Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
{
// 判断是否忽略验证
if (context.ActionDescriptor is ControllerActionDescriptor cad)
{
var controleIgnor = cad.ControllerTypeInfo.GetCustomAttributes(inherit: true).Any(x => x is IgnorValidateSignatureAttribute || x is InnerServiceAttribute || x is AllowAnonymousAttribute);
if (controleIgnor)
{
return;
}
var actionIgnor = cad.MethodInfo.GetCustomAttributes(inherit: true).Any(x => x is IgnorValidateSignatureAttribute || x is InnerServiceAttribute || x is AllowAnonymousAttribute);
if (actionIgnor)
{
return;
}
}
ApiResultModel <string> apiResult = null;
HttpRequest request = context.HttpContext.Request;
#region 票据
string ticket = "";
var secret = "";
if (context.RouteData.Values["Action"].ToString().ToLower() != "getappticket")
{
if (request.Headers.ContainsKey(TicketKey))
{
ticket = request.Headers[TicketKey].ToString();
var redisKey = RedisCommon.GetTicketKey(ticket);
var redisData = RedisClient.Get <AppTicketModel>(RedisDatabase.DB_AuthorityService, redisKey);
if (redisData == null)
{
apiResult = new ApiResultModel <string>()
{
Code = ApiResultCode.TicketInvalid
};
context.Result = new JsonResult(apiResult);
return;
}
secret = redisData.AppSecret;
}
else
{
apiResult = new ApiResultModel <string>()
{
Code = ApiResultCode.NoTicket
};
context.Result = new JsonResult(apiResult);
return;
}
}
else
{
secret = AppSettingsHelper.Configuration["ApiConfig:SignDefaultKey"];//生成票据时，签名用默认key
}
#endregion
#region 签名
Dictionary <string, object> dictionary = null;
if (request.Method == "POST")
{
if (request.ContentLength > 0)
{
request.Body.Position = 0;
Stream stream = request.Body;
byte[] buffer = new byte[request.ContentLength.Value];
stream.Read(buffer, 0, buffer.Length);
var bodyStr = Encoding.UTF8.GetString(buffer);
dictionary = JsonHelper.DeserializeObject <Dictionary <string, object> >(bodyStr);
}
}
else
{
dictionary = new Dictionary <string, object>(context.ActionArguments);
}
if (!dictionary.ContainsKey(SignKey))//参数不包含签名
{
apiResult = new ApiResultModel <string>()
{
Code = ApiResultCode.NoSign
};
context.Result = new JsonResult(apiResult);
return;
}
else if (!dictionary.ContainsKey(TimestampKey))//参数不包含时间戳
{
apiResult = new ApiResultModel <string>()
{
Code = ApiResultCode.NoTimestamp
};
context.Result = new JsonResult(apiResult);
return;
}
var keys = dictionary.Keys.ToList();
foreach (var key in keys)
{
//参数为集合类型
var value = dictionary[key];
if (value != null && value.GetType().Namespace == "Newtonsoft.Json.Linq")
{
dictionary[key] = JsonHelper.SerializeObject(value);
}
}
//验证签名
apiResult = ValidateSignature(dictionary, secret);
if (apiResult.Code != ApiResultCode.Success)
{
context.Result = new JsonResult(apiResult);
return;
}
#endregion
await base.OnActionExecutionAsync(context, next);
}
/// <summary>
/// 生成票据
/// </summary>
/// <param name="requestModel"></param>
/// <returns></returns>
public ApiResultModel <AddAppTicketResponseModel> GetAppTicket(AddAppTicketRequestModel requestModel)
{
var result = new ApiResultModel <AddAppTicketResponseModel>()
{
Message = "生成票据失败"
};
if (requestModel.AppId.IsNullOrEmpty())
{
result.Message = "AppId不能为空";
return(result);
}
if (requestModel.DeviceNo.IsNullOrEmpty())
{
result.Message = "客户端设备号不能为空";
return(result);
}
var clentType = requestModel.ClientType.GetEnumDescription();
var nonce = Utils.GetNonce();
var ticket = AuthenticationHelper.GetTicket(requestModel.AppId, clentType, requestModel.DeviceNo, nonce);
var secret = AuthenticationHelper.GetAppSecret(requestModel.AppId, clentType, requestModel.DeviceNo, nonce);
var resultData = new AddAppTicketResponseModel()
{
Ticket = ticket,
AppSecret = secret
};
AppTicket model = _db.AppTicket.FirstOrDefault(x => x.AppId == requestModel.AppId && x.ClientType == clentType && x.DeviceNo == requestModel.DeviceNo);
if (model == null)
{
model = new AppTicket()
{
Id = GuidTool.GetGuid(),
AppId = requestModel.AppId,
ClientType = clentType,
DeviceNo = requestModel.DeviceNo,
Noncestr = nonce,
AppSecret = secret,
Ticket = ticket,
LastUpdateTime = DateTime.Now
};
_db.AppTicket.Add(model);
_db.Entry(model).State = EntityState.Added;
_db.SaveChanges();
}
else
{
model.Noncestr = nonce;
model.AppSecret = secret;
model.Ticket = ticket;
model.LastUpdateTime = DateTime.Now;
_db.AppTicket.Attach(model);
_db.Entry(model).Property(x => x.Noncestr).IsModified = true;
_db.Entry(model).Property(x => x.AppSecret).IsModified = true;
_db.Entry(model).Property(x => x.Ticket).IsModified = true;
_db.Entry(model).Property(x => x.LastUpdateTime).IsModified = true;
_db.SaveChanges();
}
//缓存
var redisKey = RedisCommon.GetTicketKey(ticket);
var redisData = model.MapTo <AppTicketModel>();
RedisClient.Set(RedisDatabase.DB_AuthorityService, redisKey, redisData, 60);//1小时
result.Data = resultData;
result.Code = ApiResultCode.Success;
return(result);
}