/// <summary>
/// 拦截服务请求
/// </summary>
public override async Task <TResponse> UnaryServerHandler <TRequest, TResponse>(TRequest request, ServerCallContext context, UnaryServerMethod <TRequest, TResponse> continuation)
{
Endpoint endpoint = OwinContextReader.Current.GetEndpoint();
bool needAuthorize = AspNetSetting.Authorized;
bool allowAnonymous = endpoint.Metadata.GetMetadata <AllowAnonymousAttribute>() != null;
if (needAuthorize && !allowAnonymous)
{
string headerKey = SessionKey.PublicKey.ToLower();
Metadata.Entry headerEntry = context.RequestHeaders.Get(headerKey);
string publicKey = headerEntry?.Value;
if (string.IsNullOrWhiteSpace(publicKey))
{
string message = "身份认证消息头不存在，请检查程序！";
NoPermissionException innerException = new NoPermissionException(message);
Status status = new Status(StatusCode.Unauthenticated, message, innerException);
throw new RpcException(status);
}
LoginInfo loginInfo = CacheMediator.Get <LoginInfo>(publicKey);
if (loginInfo == null)
{
string message = "身份过期，请重新登录！";
NoPermissionException innerException = new NoPermissionException(message);
Status status = new Status(StatusCode.Unauthenticated, message, innerException);
throw new RpcException(status);
}
//通过后，重新设置缓存过期时间
CacheMediator.Set(publicKey, loginInfo, DateTime.Now.AddMinutes(GlobalSetting.AuthenticationTimeout));
}
return(await continuation.Invoke(request, context));
}
/// <summary>
/// 接收请求后事件
/// </summary>
/// <param name="request">请求消息</param>
/// <param name="channel">信道</param>
/// <param name="instanceContext">WCF实例上下文</param>
public object AfterReceiveRequest(ref Message request, IClientChannel channel, InstanceContext instanceContext)
{
//获取消息头
MessageHeaders headers = request.Headers;
string action = headers.Action;
EndpointDispatcher endpointDispatcher = OperationContext.Current.EndpointDispatcher;
DispatchOperation operationDispatcher = endpointDispatcher.DispatchRuntime.Operations.Single(x => x.Action == action);
/*
* 通过OperationBehavior设置Impersonation属性，
* 默认值为ImpersonationOption.NotAllowed，
* 当ImpersonationOption.NotAllowed时验证身份，
* 如无需验证身份，则将Impersonation属性赋值为ImpersonationOption.Allowed。
*/
if (operationDispatcher.Impersonation == ImpersonationOption.NotAllowed)
{
#region # 验证消息头
if (!headers.Any(x => x.Name == CommonConstants.WCFAuthenticationHeader && x.Namespace == GlobalSetting.ApplicationId))
{
string message = "身份认证消息头不存在，请检查程序！";
NoPermissionException innerException = new NoPermissionException(message);
FaultReason faultReason = new FaultReason(message);
FaultCode faultCode = new FaultCode(HttpStatusCode.Unauthorized.ToString());
throw new FaultException <NoPermissionException>(innerException, faultReason, faultCode);
}
#endregion
//读取消息头中的公钥
Guid publicKey = headers.GetHeader <Guid>(CommonConstants.WCFAuthenticationHeader, GlobalSetting.ApplicationId);
//认证
lock (_Sync)
{
//以公钥为键，查询分布式缓存，如果有值则通过，无值则不通过
LoginInfo loginInfo = CacheMediator.Get <LoginInfo>(publicKey.ToString());
if (loginInfo == null)
{
string message = "身份过期，请重新登录！";
NoPermissionException innerException = new NoPermissionException(message);
FaultReason faultReason = new FaultReason(message);
FaultCode faultCode = new FaultCode(HttpStatusCode.Unauthorized.ToString());
throw new FaultException <NoPermissionException>(innerException, faultReason, faultCode);
}
//通过后，重新设置缓存过期时间
CacheMediator.Set(publicKey.ToString(), loginInfo, DateTime.Now.AddMinutes(GlobalSetting.AuthenticationTimeout));
}
}
return(null);
}
public void TestSetAndGetCacheParallel()
{
Parallel.For(0, 1000, index =>
{
string cacheKey = Guid.NewGuid().ToString();
string cacheValue = Guid.NewGuid().ToString();
CacheMediator.Set(cacheKey, cacheValue);
string value = CacheMediator.Get <string>(cacheKey);
Assert.IsTrue(value == cacheValue);
});
}
public void TestSetAndGetCache()
{
for (int index = 0; index < 1000; index++)
{
string cacheKey = Guid.NewGuid().ToString();
string cacheValue = Guid.NewGuid().ToString();
CacheMediator.Set(cacheKey, cacheValue);
string value = CacheMediator.Get <string>(cacheKey);
Assert.IsTrue(value == cacheValue);
}
}
/// <summary>
/// 登录
/// </summary>
/// <param name="loginId">登录名</param>
/// <param name="password">密码</param>
/// <returns>登录信息</returns>
public LoginInfo Login(string loginId, string password)
{
//生成公钥
Guid publicKey = Guid.NewGuid();
//生成登录信息
LoginInfo loginInfo = new LoginInfo(loginId, CommonConstants.AdminLoginId, publicKey);
//以公钥为键，登录信息为值，存入分布式缓存
CacheMediator.Set(publicKey.ToString(), loginInfo, DateTime.Now.AddMinutes(20));
return(loginInfo);
}
public void TestRemoveCache()
{
string cacheKey = "key";
string cacheValue = "value";
CacheMediator.Set(cacheKey, cacheValue);
//移除
CacheMediator.Remove(cacheKey);
string value = CacheMediator.Get <string>(cacheKey);
Assert.IsNull(value);
}
/// <summary>
/// 登录
/// </summary>
/// <param name="loginId">登录名</param>
/// <param name="password">密码</param>
/// <param name="clientId">客户端Id</param>
/// <returns>登录信息</returns>
public LoginInfo Login(string loginId, string password, string clientId = null)
{
//生成公钥
Guid publicKey = Guid.NewGuid();
//生成登录信息
LoginInfo loginInfo = new LoginInfo(loginId, CommonConstants.AdminLoginId, publicKey);
loginInfo.ClientId = NetworkExtension.GetLocalMacAddress();
//以公钥为键，登录信息为值，存入分布式缓存
CacheMediator.Set(publicKey.ToString(), loginInfo, DateTime.Now.AddMinutes(20));
return(loginInfo);
}
public void TestRemoveRangeCache_Keys()
{
string cacheKey1 = "key1";
string cacheKey2 = "key2";
string cacheValue1 = "value1";
string cacheValue2 = "value2";
CacheMediator.Set(cacheKey1, cacheValue1);
CacheMediator.Set(cacheKey2, cacheValue2);
//移除
CacheMediator.RemoveRange(new[] { cacheKey1, cacheKey2 });
Assert.IsFalse(CacheMediator.Exists(cacheKey1));
Assert.IsFalse(CacheMediator.Exists(cacheKey2));
}
//Implements
#region # 执行授权过滤器事件 —— void OnAuthorization(AuthorizationFilterContext context)
/// <summary>
/// 执行授权过滤器事件
/// </summary>
public void OnAuthorization(AuthorizationFilterContext context)
{
//判断是否是ApiController
if (context.ActionDescriptor is ControllerActionDescriptor actionDescriptor &&
actionDescriptor.ControllerTypeInfo.IsDefined(typeof(ApiControllerAttribute), true))
{
bool needAuthorize = AspNetSetting.Authorized;
bool allowAnonymous = this.HasAttr <AllowAnonymousAttribute>(context.ActionDescriptor);
if (needAuthorize && !allowAnonymous)
{
if (!context.HttpContext.Request.Headers.TryGetValue(SessionKey.PublicKey, out StringValues header))
{
ObjectResult response = new ObjectResult("身份认证消息头不存在，请检查程序！")
{
StatusCode = (int)HttpStatusCode.Unauthorized
};
context.Result = response;
}
else
{
//读取消息头中的公钥
Guid publicKey = new Guid(header.ToString());
//认证
lock (_Sync)
{
//以公钥为键，查询分布式缓存，如果有值则通过，无值则不通过
LoginInfo loginInfo = CacheMediator.Get <LoginInfo>(publicKey.ToString());
if (loginInfo == null)
{
ObjectResult response = new ObjectResult("身份过期，请重新登录！")
{
StatusCode = (int)HttpStatusCode.Unauthorized
};
context.Result = response;
}
else
{
//通过后，重新设置缓存过期时间
CacheMediator.Set(publicKey.ToString(), loginInfo, DateTime.Now.AddMinutes(GlobalSetting.AuthenticationTimeout));
}
}
}
}
}
}
//Private
#region # 构造登录信息 —— LoginInfo BuildLoginInfo(User user...
/// <summary>
/// 构造登录信息
/// </summary>
/// <param name="user">用户</param>
/// <param name="clientId">客户端Id</param>
/// <returns>登录信息</returns>
private LoginInfo BuildLoginInfo(User user, string clientId)
{
//生成公钥
Guid publicKey = Guid.NewGuid();
//生成登录信息
LoginInfo loginInfo = new LoginInfo(user.Number, user.Name, publicKey);
loginInfo.ClientId = clientId;
#region # 登录信息的信息系统部分/菜单部分/权限部分
/*角色部分*/
ICollection <Guid> roleIds = user.GetRelatedRoleIds();
/*信息系统部分*/
IEnumerable <string> infoSystemNos = user.GetRelatedInfoSystemNos();
IDictionary <string, InfoSystem> infoSystems = this._repMediator.InfoSystemRep.Find(infoSystemNos);
loginInfo.LoginSystemInfos = infoSystems.Values.Select(x => x.ToLoginSystemInfo()).ToList();
/*权限部分*/
IEnumerable <Authority> authorities = this._repMediator.AuthorityRep.FindByRoles(roleIds, null);
loginInfo.LoginAuthorityInfos = authorities.Select(x => x.ToLoginAuthorityInfo()).ToList();
/*菜单部分*/
IEnumerable <Guid> authorityIds = authorities.Select(x => x.Id);
IEnumerable <Menu> menus = this._repMediator.MenuRep.FindByAuthorities(authorityIds, null);
menus = menus.TailRecurseParentNodes();
loginInfo.LoginMenuInfos = menus.ToLoginMenuInfoTree(null);
#endregion
//以公钥为键，登录信息为值，存入分布式缓存
CacheMediator.Set(publicKey.ToString(), loginInfo, DateTime.Now.AddMinutes(GlobalSetting.AuthenticationTimeout));
//获取客户端IP
string ip = this.GetClientIp();
//生成登录记录
LoginRecord loginRecord = new LoginRecord(publicKey, user.Number, user.Name, ip, clientId);
this._unitOfWork.RegisterAdd(loginRecord);
this._unitOfWork.Commit();
return(loginInfo);
}
/// <summary>
/// 方法结束事件
/// </summary>
/// <param name="context">方法元数据</param>
private void OnExit(MethodAdviceContext context)
{
if (context.ReturnValue == null)
{
return;
}
string cacheKey = this.BuildCacheKey(context);
if (this._expiredSpan.HasValue)
{
CacheMediator.Set(cacheKey, context.ReturnValue, DateTime.Now.Add(this._expiredSpan.Value));
}
else
{
CacheMediator.Set(cacheKey, context.ReturnValue);
}
}
/// <summary>
/// 执行授权过滤器事件
/// </summary>
public async Task <HttpResponseMessage> ExecuteAuthorizationFilterAsync(HttpActionContext context, CancellationToken cancellationToken, Func <Task <HttpResponseMessage> > continuation)
{
if (AspNetSetting.Authorized && !this.HasAttr <AllowAnonymousAttribute>(context.ActionDescriptor))
{
if (!context.Request.Headers.TryGetValues(SessionKey.PublicKey, out IEnumerable <string> headers))
{
HttpResponseMessage httpResponseMessage = new HttpResponseMessage(HttpStatusCode.Unauthorized)
{
Content = new StringContent("身份认证消息头不存在，请检查程序！")
};
return(httpResponseMessage);
}
//读取消息头中的公钥
Guid publicKey = new Guid(headers.Single());
//认证
lock (_Sync)
{
//以公钥为键，查询分布式缓存，如果有值则通过，无值则不通过
LoginInfo loginInfo = CacheMediator.Get <LoginInfo>(publicKey.ToString());
if (loginInfo == null)
{
HttpResponseMessage httpResponseMessage = new HttpResponseMessage(HttpStatusCode.Unauthorized)
{
Content = new StringContent("身份过期，请重新登录！")
};
return(httpResponseMessage);
}
//通过后，重新设置缓存过期时间
CacheMediator.Set(publicKey.ToString(), loginInfo, DateTime.Now.AddMinutes(GlobalSetting.AuthenticationTimeout));
return(continuation().Result);
}
}
return(await continuation());
}
/// <summary>
/// 接收请求后事件
/// </summary>
/// <param name="request">请求消息</param>
/// <param name="channel">信道</param>
/// <param name="instanceContext">WCF实例上下文</param>
/// <returns></returns>
public object AfterReceiveRequest(ref Message request, IClientChannel channel, InstanceContext instanceContext)
{
//如果是身份认证接口，无需认证
if (OperationContext.Current.EndpointDispatcher.ContractName != "IAuthenticationContract")
{
//获取消息头
MessageHeaders headers = OperationContext.Current.IncomingMessageHeaders;
#region # 验证消息头
if (!headers.Any(x => x.Name == CommonConstants.WcfAuthHeaderName && x.Namespace == CommonConstants.WcfAuthHeaderNamespace))
{
throw new NullReferenceException("身份认证消息头不存在，请检查程序！");
}
#endregion
//读取消息头中的公钥
Guid publicKey = headers.GetHeader <Guid>(CommonConstants.WcfAuthHeaderName, CommonConstants.WcfAuthHeaderNamespace);
//认证
lock (_Sync)
{
//以公钥为键，查询分布式缓存，如果有值则通过，无值则不通过
LoginInfo loginInfo = CacheMediator.Get <LoginInfo>(publicKey.ToString());
if (loginInfo == null)
{
throw new NoPermissionException("身份过期，请重新登录！");
}
//通过后，重新设置缓存过期时间
CacheMediator.Set(publicKey.ToString(), loginInfo, DateTime.Now.AddMinutes(_Timeout));
}
}
return(null);
}
//Private
#region # 方法进入事件 —— bool OnEntry(MethodAdviceContext context)
/// <summary>
/// 方法进入事件
/// </summary>
/// <param name="context">方法元数据</param>
private bool OnEntry(MethodAdviceContext context)
{
bool hasCache = false;
string cacheKey = this.BuildCacheKey(context);
object returnValue = CacheMediator.Get <object>(cacheKey);
if (returnValue != null)
{
if (this._expiredSpan.HasValue)
{
CacheMediator.Set(cacheKey, returnValue, DateTime.Now.Add(this._expiredSpan.Value));
}
else
{
CacheMediator.Set(cacheKey, returnValue);
}
context.ReturnValue = returnValue;
hasCache = true;
}
return(hasCache);
}
//Implements
#region # 登录 —— LoginInfo Login(string loginId, string password)
/// <summary>
/// 登录
/// </summary>
/// <param name="loginId">登录名</param>
/// <param name="password">密码</param>
/// <returns>登录信息</returns>
public LoginInfo Login(string loginId, string password)
{
#region # 验证参数
if (string.IsNullOrWhiteSpace(loginId))
{
throw new ArgumentNullException(nameof(loginId), "用户名不可为空！");
}
if (string.IsNullOrWhiteSpace(password))
{
throw new ArgumentNullException(nameof(password), "密码不可为空！");
}
#endregion
lock (_Sync)
{
/****************验证机器****************/
this.AuthenticateMachine();
/****************登录验证****************/
User currentUser = this._repMediator.UserRep.SingleOrDefault(loginId);
#region # 验证
if (currentUser == null)
{
throw new InvalidOperationException($"用户名\"{loginId}\"不存在！");
}
if (!currentUser.Enabled)
{
throw new InvalidOperationException("用户已停用！");
}
if (currentUser.Password != password.ToMD5())
{
throw new InvalidOperationException("登录失败，密码错误！");
}
#endregion
//生成公钥
Guid publicKey = Guid.NewGuid();
//生成登录信息
LoginInfo loginInfo = new LoginInfo(currentUser.Number, currentUser.Name, publicKey);
#region # 登录信息的信息系统部分/菜单部分/权限部分
ICollection <Guid> roleIds = this._repMediator.RoleRep.FindIds(loginId, null);
/*信息系统部分*/
IEnumerable <string> systemNos = currentUser.GetInfoSystemNos();
IDictionary <string, InfoSystem> systems = this._repMediator.InfoSystemRep.Find(systemNos);
loginInfo.LoginSystemInfos.AddRange(systems.Values.Select(x => x.ToLoginSystemInfo()));
/*菜单部分*/
IEnumerable <Guid> authorityIds = this._repMediator.AuthorityRep.FindIdsByRole(roleIds);
IEnumerable <Menu> menus = this._repMediator.MenuRep.FindByAuthority(authorityIds, null);
menus = menus.TailRecurseParentNodes();
ICollection <LoginMenuInfo> menuTree = menus.ToTree(null);
loginInfo.LoginMenuInfos.AddRange(menuTree);
/*权限部分*/
IEnumerable <Authority> authorities = this._repMediator.AuthorityRep.FindByRole(roleIds);
loginInfo.LoginAuthorityInfos = authorities.GroupBy(x => x.SystemNo).ToDictionary(x => x.Key, x => x.Select(y => y.ToLoginAuthorityInfo()).ToArray());
#endregion
//以公钥为键，登录信息为值，存入分布式缓存
CacheMediator.Set(publicKey.ToString(), loginInfo, DateTime.Now.AddMinutes(_Timeout));
//获取客户端IP
MessageProperties properties = OperationContext.Current.IncomingMessageProperties;
string ip = "localhost";
if (properties.ContainsKey(RemoteEndpointMessageProperty.Name))
{
RemoteEndpointMessageProperty endpoint = (RemoteEndpointMessageProperty)properties[RemoteEndpointMessageProperty.Name];
ip = endpoint.Address;
}
//生成登录记录
this.GenerateLoginRecord(publicKey, ip, currentUser.Number, currentUser.Name);
return(loginInfo);
}
}