/// <summary>
/// Invokes the specified input.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="getNext">The get next.</param>
/// <returns>The method return result.</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
foreach (var argument in input.Arguments)
{
string target = argument as string;
if (string.IsNullOrEmpty(target))
{
continue;
}
if (Regex.Match(target, @"[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?").Success)
{
continue;
}
ArgumentException argumentException = new ArgumentException("Invalid e-mail format", input.MethodBase.Name);
Log.Error("Argument exception", argumentException, this);
return input.CreateExceptionMethodReturn(argumentException);
}
return getNext()(input, getNext);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
Dictionary<Type, Validator> validators = new Dictionary<Type, Validator>();
Int32 i = 0;
ValidationResults results = new ValidationResults();
IMethodReturn result = null;
foreach (Type type in input.MethodBase.GetParameters().Select(p => p.ParameterType))
{
if (validators.ContainsKey(type) == false)
{
validators[type] = ValidationFactory.CreateValidator(type, this.Ruleset);
}
Validator validator = validators[type];
validator.Validate(input.Arguments[i], results);
++i;
}
if (results.IsValid == false)
{
result = input.CreateExceptionMethodReturn(new Exception(String.Join(Environment.NewLine, results.Select(r => r.Message).ToArray())));
}
else
{
result = getNext()(input, getNext);
}
return (result);
}
private IMethodReturn InvokeINotifyPropertyChangedMethod(IMethodInvocation input)
{
if (input.MethodBase.DeclaringType == typeof(INotifyPropertyChanged))
{
switch (input.MethodBase.Name)
{
case "add_PropertyChanged":
lock (handlerLock)
{
handler = (PropertyChangedEventHandler)Delegate.Combine(handler, (Delegate)input.Arguments[0]);
}
break;
case "remove_PropertyChanged":
lock (handlerLock)
{
handler = (PropertyChangedEventHandler)Delegate.Remove(handler, (Delegate)input.Arguments[0]);
}
break;
default:
return input.CreateExceptionMethodReturn(new InvalidOperationException());
}
return input.CreateMethodReturn(null);
}
return null;
}
public IMethodReturn Invoke(
IMethodInvocation input,
GetNextHandlerDelegate getNext)
{
if (this.allowedRoles.Length > 0)
{
IPrincipal currentPrincipal = Thread.CurrentPrincipal;
if (currentPrincipal != null)
{
bool allowed = false;
foreach (string role in this.allowedRoles)
{
if (allowed = currentPrincipal.IsInRole(role))
{
break;
}
}
if (!allowed)
{
// short circuit the call
return input.CreateExceptionMethodReturn(
new UnauthorizedAccessException(
"User not allowed to invoke the method"));
}
}
}
return getNext()(input, getNext);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
var results = input.Arguments.Cast<object>().SelectMany(entity => validator.Validate(entity));
return !results.Any()
? getNext()(input, getNext) //no errors
: input.CreateExceptionMethodReturn(new ValidationFailedException(results));
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
var methodReturn = InvokeINotifyPropertyChangedMethod(input);
if (methodReturn != null)
{
return methodReturn;
}
methodReturn = getNext()(input, getNext);
if (methodReturn.Exception == null && input.MethodBase.IsSpecialName)
{
var property = GetPropertyInfoForSetMethod(input);
if (property != null)
{
var currentHandler = this.handler;
if (currentHandler != null)
{
try
{
currentHandler(input.Target, new PropertyChangedEventArgs(property.Name));
}
catch (Exception e)
{
return input.CreateExceptionMethodReturn(e);
}
}
}
}
return methodReturn;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
User user = input.Inputs[0] as User;
if (user.PassWord.Length < 0) {
return input.CreateExceptionMethodReturn(new Exception("密码长度不能小于10位"));
}
Console.WriteLine("参数检测无误");
return getNext()(input, getNext);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
if (!this.IsValidUser())
{
return input.CreateExceptionMethodReturn(new UnauthorizedAccessException("..."));
}
return getNext()(input, getNext);
}
/// <summary>
/// Handler de invocação do método com atributo
/// </summary>
/// <param name="input">Informações da chamada</param>
/// <param name="getNext">Próximo handler de execução do método</param>
/// <returns>Caso estejamos fora dum UoW, retorna exception, caso contrário segue a execução</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
if (UnitOfWork.Current == null)
{
return input.CreateExceptionMethodReturn(new Exception("Método " + input.MethodBase.Name + " chamado fora de UnitOfWork."));
}
// Retornamos normalmente
return getNext()(input, getNext);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
for (int i = 0; i < input.Inputs.Count; i++) {
object target = input.Inputs[i];
if (target == null) {
ParameterInfo parameterInfo = input.Inputs.GetParameterInfo(i);
ArgumentNullException ex = new ArgumentNullException(parameterInfo.Name);
return input.CreateExceptionMethodReturn(ex);
}
}
return getNext()(input, getNext);
}
private IMethodReturn MethodWithGenericReturnType_Delegate <T>(IMethodInvocation inputs, GetNextInterceptionBehaviorDelegate getNext)
{
try
{
T result = base.MethodWithGenericReturnType((T)inputs.Arguments[0]);
return(inputs.CreateMethodReturn(result, inputs.Arguments));
}
catch (Exception ex)
{
return(inputs.CreateExceptionMethodReturn(ex));
}
}
/// <summary>
/// Méthode de traitement après appel
/// </summary>
/// <param name="pInput">Description de l'appel intercepté</param>
/// <param name="pReturn">Description du résultat de l'appel</param>
/// <returns>Résultat final de l'appel</returns>
private IMethodReturn PostProcessHandlerInternal(IMethodInvocation pInput, IMethodReturn pReturn)
{
try
{
return(PostProcessHandler(pInput, pReturn));
}
catch (Exception ex)
{
// En cas d'exception non gérée, la définir comme message de retour
return(pInput.CreateExceptionMethodReturn(ex));
}
}
private IMethodReturn Reverse_DelegateImpl <TItem>(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
try
{
string baseResult = BaseReverse((TItem)input.Arguments[0]);
return(input.CreateMethodReturn(baseResult));
}
catch (Exception ex)
{
return(input.CreateExceptionMethodReturn(ex));
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
User user = input.Inputs[0] as User;
if (user.Password.Length < 10)
{
return(input.CreateExceptionMethodReturn(new Exception("密码长度不能小于10位")));
}
Console.WriteLine("参数检测无误");
IMethodReturn methodReturn = getNext()(input, getNext);
return(methodReturn);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
User user = input.Inputs[0] as User;
if (user.Name != "ELEVEN")
{
return(input.CreateExceptionMethodReturn(new Exception("用户名必须为ELEVEN")));
}
Console.WriteLine("用户名必须为ELEVEN");
IMethodReturn methodReturn = getNext()(input, getNext);
return(methodReturn);
}
/// <summary>
/// Performs the operation of the handler.
/// </summary>
/// <param name="input">Input to the method call.</param>
/// <param name="getNext">Delegate used to get the next delegate in the call handler pipeline.</param>
/// <returns>Returns value from the target method, or an <see cref="UnauthorizedAccessException"/>
/// if the call fails the authorization check.</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
IAuthorizationProvider authProvider = GetAuthorizationProvider();
ReplacementFormatter formatter = new MethodInvocationFormatter(input);
if (!authProvider.Authorize(Thread.CurrentPrincipal, formatter.Format(operationName)))
{
UnauthorizedAccessException unauthorizedExeption = new UnauthorizedAccessException(Resources.AuthorizationFailed);
return(input.CreateExceptionMethodReturn(unauthorizedExeption));
}
return(getNext().Invoke(input, getNext));
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
Console.WriteLine("Check the authorization of the user role ");
if (true)
{
Console.WriteLine("The user pass the authorization check");
return(getNext()(input, getNext));
}
else
{
return(input.CreateExceptionMethodReturn(new Exception("Authorization check failed.")));
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
Category user = input.Inputs[0] as Category;
if (user.Id == 0)
{
return(input.CreateExceptionMethodReturn(new Exception("密码不能为空")));
}
IMethodReturn iMethodResult = getNext()(input, getNext);
return(iMethodResult);
}
private IMethodReturn MethodWithRefParameters_Delegate(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
try
{
string refParam = (string)input.Arguments[1];
int returnValue = BaseMethodWithRefParameters((int)input.Arguments[0], ref refParam, (float)input.Arguments[2]);
return(input.CreateMethodReturn(returnValue, input.Inputs[0], refParam, input.Inputs[2]));
}
catch (Exception ex)
{
return(input.CreateExceptionMethodReturn(ex));
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
Console.WriteLine("检查当前用户的权限");
if (true)
{
Console.WriteLine("经检查当前用户拥有权限操作");
return(getNext()(input, getNext));//执行后面的全部动作
}
else
{
return(input.CreateExceptionMethodReturn(new Exception("没有权限")));
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
if (input.Inputs.Count == 0) { return getNext()(input, getNext); }
Order order = input.Inputs[0] as Order;
if (order == null) { return getNext()(input, getNext); }
if (order.OrderDate > DateTime.Today)
{
return input.CreateExceptionMethodReturn(new OrderValidationException("The order date is later than the current date!"));
}
if (order.Items.Count == 0)
{
return input.CreateExceptionMethodReturn(new OrderValidationException("There are not any items for the order!"));
}
if (this.ValidateSupplier)
{
if (!LegalSuppliers.Contains<string>(order.Supplier))
{
return input.CreateExceptionMethodReturn(new OrderValidationException("The supplier is inllegal!"));
}
}
if (this.ValidateTotalPrice)
{
double totalPrice = 0;
foreach (OrderItem item in order.Items)
{
totalPrice += item.Quantity * item.UnitPrice;
}
if (totalPrice != order.TotalPrice)
{
return input.CreateExceptionMethodReturn(new OrderValidationException("The sum of the order item is not equal to the order total price!"));
}
}
return getNext()(input, getNext);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
Console.WriteLine("ParameterCheckBehavior");
User user = input.Inputs[0] as User;
if (user.MotPass.Length < 10)
{
return(input.CreateExceptionMethodReturn(new Exception("MotPass est inférieur au 10 chiffres")));
}
else
{
return(getNext().Invoke(input, getNext));
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
IMethodReturn result = null;
if (Transaction.Current == null)
{
result = input.CreateExceptionMethodReturn(new Exception("Ambient transaction required"));
}
else
{
result = getNext()(input, getNext);
}
return (result);
}
private IMethodReturn OutParams_Delegate(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
try
{
int outParam1;
int outParam2;
BaseOutParams((int)input.Arguments[0], out outParam1, out outParam2);
return(input.CreateMethodReturn(null, input.Arguments[0], outParam1, outParam2));
}
catch (Exception ex)
{
return(input.CreateExceptionMethodReturn(ex));
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
Console.WriteLine("Parameter check");
User user = input.Inputs[0] as User; //可以不写死类型， 用反射 + 特性完成数据有效性检测
if (user?.Password.Length < 10)
{
//返回异常
return(input.CreateExceptionMethodReturn(new Exception("Password length must > 10")));
//throw new Exception("xxx");
}
return(getNext()(input, getNext));
}
/// <summary>
/// Performs the operation of the handler.
/// </summary>
/// <param name="input">Input to the method call.</param>
/// <param name="getNext">Delegate used to get the next delegate in the call handler pipeline.</param>
/// <returns>Returns value from the target method, or an <see cref="UnauthorizedAccessException"/>
/// if the call fails the authorization check.</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
if (input == null) throw new ArgumentNullException("input");
if (getNext == null) throw new ArgumentNullException("getNext");
ReplacementFormatter formatter = new MethodInvocationFormatter(input);
if (!this.AuthorizationProvider.Authorize(Thread.CurrentPrincipal, formatter.Format(OperationName)))
{
UnauthorizedAccessException unauthorizedExeption =
new UnauthorizedAccessException(Resources.AuthorizationFailed);
return input.CreateExceptionMethodReturn(unauthorizedExeption);
}
return getNext().Invoke(input, getNext);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
bool autenticado = true;
autenticado = ControladorDeSessao.EstaAutenticado();
if (autenticado)
{
IMethodReturn result = getNext()(input, getNext);
return result;
}
else
{
// TODO: criar tratamento de erro para autenticacao
return input.CreateExceptionMethodReturn(new ApplicationValidationErrorsException("Usuário não autenticado."));
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
Console.WriteLine("ParameterCheckBehavior");
User user = input.Inputs[0] as User;//可以不写死类型，反射+特性完成数据有效性监测
if (user.Password.Length < 5)
{
//返回一个包含异常的IMethodReturn
return(input.CreateExceptionMethodReturn(new Exception("密码长度不能小于10位")));
}
else
{
Console.WriteLine("参数检测无误");
return(getNext().Invoke(input, getNext));
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
System.Console.WriteLine("ParameterCheckBehavior");
User user = input.Inputs[0] as User;
if (user.Age < 18)//检查参数
{
//返回一个异常
return(input.CreateExceptionMethodReturn(new Exception("未成年人")));
}
else
{
System.Console.WriteLine("成年了");
return(getNext().Invoke(input, getNext));
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
try
{
using (TransactionScope transactionScope = new TransactionScope())
{
IMethodReturn methodReturn = getNext()(input, getNext);
transactionScope.Complete();
return methodReturn;
}
}
catch (Exception ex)
{
return input.CreateExceptionMethodReturn(ex);
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
try
{
using (TransactionScope transactionScope = new TransactionScope())
{
IMethodReturn methodReturn = getNext()(input, getNext);
transactionScope.Complete();
return(methodReturn);
}
}
catch (Exception ex)
{
return(input.CreateExceptionMethodReturn(ex));
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
Console.WriteLine("ParameterCheckBehavior");
//通过特性校验
User user = input.Inputs[0] as User;
if (user.Password.Length < 10)
{
//throw new Exception();
return(input.CreateExceptionMethodReturn(new Exception("密码长度不能小于10位")));
}
else
{
Console.WriteLine("参数检测无误");
return(getNext().Invoke(input, getNext));
}
}
private static IMethodReturn HandleException(IMethodInvocation input, object[] args, Exception e, IClientChannel channel)
{
if (Logger.IsWarnEnabled)
{
// we log at Warn, caller might handle this without need to log
string msg = string.Format("Exception from " + input.MethodBase.Name + "(" + string.Join(", ", args) + ")");
Logger.Warn(msg, e);
}
IMethodReturn result = input.CreateExceptionMethodReturn(e);
if (channel != null)
{
Logger.Trace("Aborting channel");
channel.Abort();
}
return(result);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
bool autenticado = true;
autenticado = ControladorDeSessao.EstaAutenticado();
if (autenticado)
{
IMethodReturn result = getNext()(input, getNext);
return(result);
}
else
{
// TODO: criar tratamento de erro para autenticacao
return(input.CreateExceptionMethodReturn(new AppException("Usuário não autenticado.")));
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
//throw new NotImplementedException();
Console.WriteLine("parameter Check behavior");
User user = input.Inputs[0] as User; //May also constraint to User, use relection+attribute to implement data validation
if (user.Password.Length < 10) // Check the length of the password, should over 10
{
//Return an exception
return(input.CreateExceptionMethodReturn(new Exception("Length of password should over 10.")));
}
else
{
Console.WriteLine("The length of the password is valid");
return(getNext().Invoke(input, getNext));
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
Console.WriteLine(this.GetType().Name + " Before");
User user = input.Inputs[0] as User;
if (user.Name.Length <= 0)
{
//返回异常
return(input.CreateExceptionMethodReturn(new Exception("密码不得为空")));
}
else
{
Console.WriteLine(this.GetType().Name + " 密码检测正常");
return(getNext()(input, getNext));
}
}
private IMethodReturn run(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext, TransactionScope transaction = null)
{
var result = getNext()(input, getNext);
if (result.Exception == null)
{
if (transaction != null)
{
transaction.Complete();
}
return(result);
}
else
{
return(input.CreateExceptionMethodReturn(result.Exception));
}
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
IMethodReturn msg = null;
if (BUser.CurrentUser != null)
{
bool IsAuthorizableService = false;
foreach (var customAttribute in input.MethodBase.GetCustomAttributes(false))
{
if (customAttribute is ServiceAuthorizeBehavior)
{
IsAuthorizableService = true;
ServiceAuthorizeBehavior SAB = (ServiceAuthorizeBehavior)customAttribute;
switch (SAB.serviceAuthorizeState)
{
case ServiceAuthorizeState.Enforce:
ServiceAuthorizeType SAT = this.resourceRepository.CheckServiceAuthorize(BUser.CurrentUser.Role.ID, input);
switch (SAT)
{
case ServiceAuthorizeType.Illegal:
msg = input.CreateExceptionMethodReturn(new IllegalServiceAccess("دسترسی غیر مجاز به سرویس", input.Target.ToString()));
BaseBusiness <Entity> .LogException(new IllegalServiceAccess("دسترسی غیر مجاز به سرویس", input.Target.ToString()), input.Target.GetType().Name, input.MethodBase.Name);
break;
case ServiceAuthorizeType.Legal:
msg = getNext()(input, getNext);
break;
}
break;
case ServiceAuthorizeState.Avoid:
msg = getNext()(input, getNext);
break;
}
break;
}
}
if (!IsAuthorizableService)
{
msg = getNext()(input, getNext);
}
}
return(msg);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
var methodInfo = (MethodInfo)input.MethodBase;
// Catch the Dispose() function
if (ReflectionHelper.IsExplicitMethod(methodInfo, typeof(IDisposable), "Dispose"))
{
Dispose();
return(input.CreateMethodReturn(null));
}
if (_connection == null)
{
_connection = new PowerShellConnection(_filePath);
}
try
{
object result = null;
var arguments = input.Arguments.Cast <object>().ToArray();
// Handle GET property
if (ReflectionHelper.IsGetProperty(methodInfo))
{
result = _connection.ReadGlobalVariable(ReflectionHelper.GetPropertyName(methodInfo), methodInfo.ReturnType);
}
// Handle SET property
else if (ReflectionHelper.IsSetProperty(methodInfo))
{
_connection.AssignGlobalVariable(ReflectionHelper.GetPropertyName(methodInfo), arguments[0]);
}
// Run the function
else
{
result = _connection.Run(input.MethodBase.Name, methodInfo.ReturnType, arguments);
}
// Return the results from the script
return(input.CreateMethodReturn(result, arguments));
}
catch (Exception ex)
{
return(input.CreateExceptionMethodReturn(ex));
}
}
/// <summary>
/// Invoking the Audit Trail related operation.
/// </summary>
/// <param name="input">Method Invocation Message.</param>
/// <param name="getNext">A GetNextHandlerDelegate object delegating the invocation to the next CallHandler or Target instance.</param>
/// <returns>The return message of the method invocation.</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
IMethodReturn result;
try
{
IMethodReturn methodReturn = getNext()(input, getNext);
if (methodReturn != null)
{
//todo audit
}
result = methodReturn;
}
catch (Exception ex)
{
result = input.CreateExceptionMethodReturn(ex);
}
return result;
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
UserMatch user = input.Inputs[0] as UserMatch;
if (!user.IsMatch <UserMatch>())
{
Console.WriteLine($"显示如下错误信息，发生时间：{DateTime.Now}");
StringBuilder sb = new StringBuilder();
foreach (var item in user.MatchesWarnInfo <UserMatch>())
{
var message = $"报错名：{item.Key},数据值：{item.Value}";
sb.AppendLine(message);
Console.WriteLine(message);
}
return(input.CreateExceptionMethodReturn(new Exception(sb.ToString())));
}
return(getNext()(input, getNext));
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
Console.WriteLine("ParameterCheckBehavior");
//业务逻辑执行前，检查一下第一个参数是不是User
User user = input.Inputs[0] as User;//可以不写死类型，反射+特性完成数据有效性监测
if (user.Password.Length < 10)//可以过滤一下敏感词
{
//返回一个异常
return input.CreateExceptionMethodReturn(new Exception("密码长度不能小于10位"));
//注意只要抛出异常, 那么后面的都不会再执行了, 在这里也就是说后的 logafterbehavior是不会再执行了
//throw new Exception("密码长度不能小于10位");
}
else
{
Console.WriteLine("参数检测无误");
return getNext().Invoke(input, getNext);
}
}
/// <summary>
/// Invokes the specified input.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="getNext">The get next.</param>
/// <returns></returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
Exception ex = null;
if (input.Inputs.Count != 1) { ex = new ArgumentOutOfRangeException("Action methods can only contains one argument!"); }
if (input.Inputs[0].GetType() != typeof(string[])) { ex = new ArgumentException("The action method argument must be of type string[]!"); }
if (Length > -1) {
var arg = (string[])input.Arguments[0];
if (arg.Length != Length) { ex = new ArgumentOutOfRangeException("Invalid number of arguments!"); }
}
var types = input.MethodBase.GetCustomAttributes(typeof(ArgumentTypeAttribute), true);
if (types != null && types.Count() > 0) {
foreach (var tp in types.Cast<ArgumentTypeAttribute>()) {
try { Convert.ChangeType(input.Arguments[tp.Index], tp.Type); }
catch (InvalidCastException) { ex = new InvalidCastException(string.Format("The argument index: {0} must be of type: {1}!", tp.Index, tp.Type.ToString())); }
}
}
return ex != null ? input.CreateExceptionMethodReturn(ex) : getNext()(input, getNext);
}
/// <summary>
/// Runs the call handler. This does validation on the parameters, and if validation
/// passes it calls the handler. It throws <see cref="ArgumentValidationException"/>
/// if validation fails.
/// </summary>
/// <param name="input"><see cref="IMethodInvocation"/> containing details of the current call.</param>
/// <param name="getNext">delegate to call to get the next handler in the pipeline.</param>
/// <returns>Return value from the target.</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
for (int index = 0; index < input.Inputs.Count; ++index)
{
ParameterInfo inputParameter = input.Inputs.GetParameterInfo(index);
Validator validator = CreateValidator(inputParameter);
object parameterValue = input.Inputs[index];
ValidationResults results = validator.Validate(parameterValue);
if (!results.IsValid)
{
ArgumentValidationException exception =
new ArgumentValidationException(results, inputParameter.Name);
return(input.CreateExceptionMethodReturn(exception));
}
}
return(getNext().Invoke(input, getNext));
}
/// <summary>
/// Invokes the specified input.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="getNext">The get next.</param>
/// <returns>The method return result.</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
foreach (var argument in input.Arguments)
{
object target = argument;
if (target != null)
{
continue;
}
ArgumentNullException argumentException = new ArgumentNullException(input.MethodBase.Name);
Log.Error("Argument null exception", argumentException, this);
return input.CreateExceptionMethodReturn(argumentException);
}
return getNext()(input, getNext);
}
/// <summary>
/// Invokes the Argument Not Null Handler.
/// </summary>
/// <param name="input">Inputs to the current call to the target.</param>
/// <param name="getNext">Delegate to execute to get the next delegate in the handler chain.</param>
/// <returns>Return value from the target.</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
for (int argument = 0; argument < input.Inputs.Count; argument++)
{
if (input.Inputs[argument] != null)
continue;
var parameterInfo = input.Inputs.GetParameterInfo(argument);
if (parameterInfo.ParameterType.IsValueType ||
parameterInfo.IsOptional)
{
continue;
}
return input.CreateExceptionMethodReturn(new ArgumentNullException(parameterInfo.Name));
}
return getNext()(input, getNext);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
/////自定义代码部分 开始 这部分的代码 会在方法UserProcessor.RegUser 执行前执行
Users user = input.Inputs[0] as Users;
if (user.Password.Length < 10)
{
return(input.CreateExceptionMethodReturn(new Exception("密码长度不能小于10位")));
}
Console.WriteLine("参数检测无误");
/////自定义代码部分 结束
IMethodReturn methodReturn = getNext.Invoke().Invoke(input, getNext);
/////自定义代码部分 开始 这部分的代码 会在方法UserProcessor.RegUser 执行后执行
/////这里可以写方法
/////自定义代码部分 结束
return(methodReturn);
}
/// <summary>
/// Invokes the specified input.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="getNext">The get next.</param>
/// <returns>The method return result.</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
foreach (var argument in input.Arguments)
{
object target = argument;
if (target != null)
{
continue;
}
ArgumentNullException argumentException = new ArgumentNullException(input.MethodBase.Name);
Log.Error("Argument null exception", argumentException, this);
return(input.CreateExceptionMethodReturn(argumentException));
}
return(getNext()(input, getNext));
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
Boolean isSetter = input.MethodBase.Name.StartsWith("set_");
IMethodReturn result = null;
if (isSetter == true)
{
if (input.Arguments[0] == null)
{
result = input.CreateExceptionMethodReturn(new NullReferenceException("Value is null"));
}
}
if (result == null)
{
result = getNext()(input, getNext);
}
return (result);
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
if (this.allowedRoles.Length > 0)
{
IPrincipal currentPrincipal = Thread.CurrentPrincipal;
if (currentPrincipal != null)
{
bool allowed = allowedRoles.Any(currentPrincipal.IsInRole);
if (!allowed)
{
// short circuit the call
return input.CreateExceptionMethodReturn(
new UnauthorizedAccessException(
"User NOT allowed to invoke the method."));
}
}
}
return getNext()(input, getNext);
}
/// <summary>
/// Performs the operation of the handler.
/// </summary>
/// <param name="input">Input to the method call.</param>
/// <param name="getNext">Delegate used to get the next delegate in the call handler pipeline.</param>
/// <returns>Returns value from the target method, or an <see cref="UnauthorizedAccessException"/>
/// if the call fails the authorization check.</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
if (input == null)
{
throw new ArgumentNullException("input");
}
if (getNext == null)
{
throw new ArgumentNullException("getNext");
}
ReplacementFormatter formatter = new MethodInvocationFormatter(input);
if (!this.AuthorizationProvider.Authorize(Thread.CurrentPrincipal, formatter.Format(OperationName)))
{
UnauthorizedAccessException unauthorizedExeption =
new UnauthorizedAccessException(Resources.AuthorizationFailed);
return(input.CreateExceptionMethodReturn(unauthorizedExeption));
}
return(getNext().Invoke(input, getNext));
}
public IMethodReturn Invoke(IMethodInvocation input, GetNextInterceptionBehaviorDelegate getNext)
{
if(input.Inputs.Count > 0)
{
foreach(var inputValue in input.Inputs)
{
if(inputValue is Decimal)
{
if((Decimal)inputValue > maxAmount)
{
MessageBox.Show(
string.Format("Amount of {0} is beyond max limit of {1}",
inputValue, maxAmount),
"Limit Exceeded");
return input.CreateExceptionMethodReturn(
new InvalidOperationException("Limit Exceeded"));
}
}
}
}
return getNext()(input, getNext);
}
/// <summary>
/// Invoking the Audit Trail related operation.
/// </summary>
/// <param name="input">Method Invocation Message.</param>
/// <param name="getNext">
/// A GetNextHandlerDelegate object delegating the invocation to the next CallHandler or Target
/// instance.
/// </param>
/// <returns>The return message of the method invocation.</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
IMethodReturn result;
try
{
var auditLogger = AuditLogger.CreateAuditLogger(FunctionName);
var methodReturn = getNext()(input, getNext);
if (methodReturn != null)
{
//var data = new AuditLogModel()
//{
// ID = Guid.NewGuid().ToString(),
// AuditName = FunctionName,
// AuditType = input.MethodBase.Name,
// Arguments = input.Arguments,
// LogDateTime = DateTime.Now,
// Result = methodReturn.ReturnValue,
// Target = input.Target,
// TransactionID = "TransactionID"
//};
//try
//{
// auditservice.InsertAuditLog(data);
//}
//catch (Exception e)
//{
// //todo add log
//}
if (methodReturn.Exception == null)
{
auditLogger.Write(input.MethodBase.Name, string.Empty,
JsonConvert.SerializeObject(input.Arguments),
JsonConvert.SerializeObject(methodReturn.ReturnValue));
auditLogger.Flush();
}
}
result = methodReturn;
}
catch (Exception ex)
{
result = input.CreateExceptionMethodReturn(ex);
}
return result;
}
private IMethodReturn HandleCookieExpirationExceptionForIntegration(CommunicationException exception, IMethodInvocation input, GetNextHandlerDelegate getNext)
{
//Application crashes when launched while Active Directory credentials are expired (often due to not logging off overnight)
//string ADExpired = "Your credentials have expired";
string ADExpired = WebSealSettings.GetADAccountExpiredExceptionKeySetting();
if (exception.Message.Contains(ADExpired))
{
//It will immediately quit
return input.CreateExceptionMethodReturn(new ADCredentialsExpiredException());
}
WebException webException = exception.InnerException as WebException;
if (webException == null)
{
//Even if it is sessionRenewException, also will come to here.
return input.CreateExceptionMethodReturn(exception);
}
if ((!webException.Message.Contains("403")) && (!webException.Message.Contains("401")))
{
return input.CreateExceptionMethodReturn(exception);
}
if (HiiP.Framework.Security.AccessControl.Authentication.AuthenticationManager.AuthenticationMode == AuthenticationMode.Integration)
{
HiiP.Framework.Security.AccessControl.Authentication.AuthenticationManager.Login();
return this.Invoke(input, getNext);
}
return input.CreateExceptionMethodReturn(exception);
}
private IMethodReturn HandleCookieExpirationExceptionForForm(Exception exception, IMethodInvocation input, GetNextHandlerDelegate getNext)
{
//Modify to resolve the password is expired by Qiu Ming on 05/12/2008
//string passwordExpiredMessage = "<meta name =\"DC.Title\" content=\"Expired Password,";
string passwordExpiredMessage = WebSealSettings.GetPasswordExpiredExceptionKeySetting();
if (!string.IsNullOrEmpty(passwordExpiredMessage)
&& exception.Message.Contains(passwordExpiredMessage))
{
//It will immediately quit
return input.CreateExceptionMethodReturn(new UserPasswordExpiredException());
}
//Sessino is expired
//string sessionExpiredKey = "BEGIN Cookie check block";
string sessionExpiredKey = WebSealSettings.GetSessionExpiredExceptionKeySetting();
if (!string.IsNullOrEmpty(sessionExpiredKey)
&& exception.Message.Contains(sessionExpiredKey))
{
try
{
if (!(input.MethodBase.Module.Name.Contains(".Logging.") && input.MethodBase.Name == "Write")
&& (AppContext.Current.UserID.Length > 0)
&& (!HiiP.Framework.Security.AccessControl.Authentication.AuthenticationManager.IsOpenLoginForm)
)
{
ExceptionManager.ShowingErrorMessageBox = true;
var friendlyExMessage = WebSealSettings.GetSessionExpiredExceptionMessageSetting();
if (string.IsNullOrEmpty(friendlyExMessage))
{
friendlyExMessage = "Your eBusiness Gateway session has expired. Please re-login.";
}
SessionCredentialsExpiredException sessionCredentialsExpiredException = new SessionCredentialsExpiredException(friendlyExMessage);
ExtendedMessageBoxExceptionHandler _messageHandler = new ExtendedMessageBoxExceptionHandler("Error", typeof(NCS.IConnect.ExceptionHandling.TextExceptionFormatter), "{message}", true);
_messageHandler.HandleException(sessionCredentialsExpiredException, Guid.NewGuid());
StoreExceptionInMemory(sessionCredentialsExpiredException,true);
if (HiiP.Framework.Security.AccessControl.Authentication.AuthenticationManager.LoginFormOnCookieOut())
{
StoreExceptionInMemory(null, false);
return this.Invoke(input, getNext);
}
//return input.CreateExceptionMethodReturn(new SessionCredentialsExpiredException());
}
return input.CreateExceptionMethodReturn(new SessionCredentialsExpiredException());
}
finally
{
ExceptionManager.ShowingErrorMessageBox = false;
}
}
return input.CreateExceptionMethodReturn(exception);
}
private IMethodReturn AttachCredentialCookie(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
HttpRequestMessageProperty request;
if (OperationContext.Current.OutgoingMessageProperties.ContainsKey(HttpRequestMessageProperty.Name))
{
request = OperationContext.Current.OutgoingMessageProperties[HttpRequestMessageProperty.Name] as HttpRequestMessageProperty;
}
else
{
request = new HttpRequestMessageProperty();
}
if (string.IsNullOrEmpty(AppContext.Current.CredentialCookie))
{
return input.CreateExceptionMethodReturn(new CredentialCookieAttachingException("No credential cookie is attached in HTTP header."));
}
if (request==null)
{
throw new BusinessException("No valid request");
}
request.Headers[HttpRequestHeader.Cookie] = AppContext.Current.CredentialCookie;
OperationContext.Current.OutgoingMessageProperties[HttpRequestMessageProperty.Name] = request;
return getNext()(input, getNext);
}
/// <summary>
/// Runs the call handler. This does validation on the parameters, and if validation
/// passes it calls the handler. It throws <see cref="ArgumentValidationException"/>
/// if validation fails.
/// </summary>
/// <param name="input"><see cref="IMethodInvocation"/> containing details of the current call.</param>
/// <param name="getNext">delegate to call to get the next handler in the pipeline.</param>
/// <returns>Return value from the target.</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
if (input == null) throw new ArgumentNullException("input");
if (getNext == null) throw new ArgumentNullException("getNext");
for (int index = 0; index < input.Inputs.Count; ++index)
{
ParameterInfo inputParameter = input.Inputs.GetParameterInfo(index);
Validator validator = CreateValidator(inputParameter);
object parameterValue = input.Inputs[index];
ValidationResults results = validator.Validate(parameterValue);
if (!results.IsValid)
{
ArgumentValidationException exception =
new ArgumentValidationException(results, inputParameter.Name);
return input.CreateExceptionMethodReturn(exception);
}
}
return getNext().Invoke(input, getNext);
}
/// <summary>
/// Invoking the Audit Trail related operation.
/// </summary>
/// <param name="input">Method Invocation Message.</param>
/// <param name="getNext">
/// A GetNextHandlerDelegate object delegating the invocation to the next CallHandler or Target
/// instance.
/// </param>
/// <returns>The return message of the method invocation.</returns>
public IMethodReturn Invoke(IMethodInvocation input, GetNextHandlerDelegate getNext)
{
IMethodReturn result;
try
{
var methodReturn = getNext()(input, getNext);
if (methodReturn != null)
{
if (methodReturn.Exception == null)
{
//Task.Run(() => { Log(input, methodReturn); });
}
}
result = methodReturn;
}
catch (Exception ex)
{
result = input.CreateExceptionMethodReturn(ex);
}
return result;
}