UserNamePasswordValidator Class

 
System_CAPS_noteNote

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Validates a username and password.

Namespace:   System.IdentityModel.Selectors
Assembly:  System.IdentityModel (in System.IdentityModel.dll)

System.Object
  System.IdentityModel.Selectors.UserNamePasswordValidator

Public MustInherit Class UserNamePasswordValidator

NameDescription
System_CAPS_protmethodUserNamePasswordValidator()

Initializes a new instance of the UserNamePasswordValidator class.

NameDescription
System_CAPS_pubpropertySystem_CAPS_staticNone

Gets a validator that performs no validation on the username and password. As a result, the username and password are always deemed valid.

NameDescription
System_CAPS_pubmethodSystem_CAPS_staticCreateMembershipProviderValidator(MembershipProvider)

Gets an instance of a UserNamePasswordValidator that validates a username and password using the specified membership provider.

System_CAPS_pubmethodEquals(Object)

Determines whether the specified object is equal to the current object.(Inherited from Object.)

System_CAPS_protmethodFinalize()

Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.(Inherited from Object.)

System_CAPS_pubmethodGetHashCode()

Serves as the default hash function. (Inherited from Object.)

System_CAPS_pubmethodGetType()

Gets the Type of the current instance.(Inherited from Object.)

System_CAPS_protmethodMemberwiseClone()

Creates a shallow copy of the current Object.(Inherited from Object.)

System_CAPS_pubmethodToString()

Returns a string that represents the current object.(Inherited from Object.)

System_CAPS_pubmethodValidate(String, String)

When overridden in a derived class, validates the specified username and password.

Use the UserNamePasswordValidator class to specify how a username and password is validated. This can be done by deriving a class from UserNamePasswordValidator and override the Validate method. For more information about creating a custom user name and password validator, see How to: Use a Custom User Name and Password Validator.

Public Class MyCustomUserNameValidator
    Inherits UserNamePasswordValidator

    ' This method validates users. It allows two users, test1 and test2 
    ' with passwords 1tset and 2tset respectively.
    ' This code is for illustration purposes only and 
    ' MUST NOT be used in a production environment because it is NOT secure.	
    Public Overrides Sub Validate(ByVal userName As String, ByVal password As String)
        If Nothing = userName OrElse Nothing = password Then
            Throw New ArgumentNullException()
        End If

        If Not (userName = "test1" AndAlso password = "1tset") AndAlso Not (userName = "test2" AndAlso password = "2tset") Then
            Throw New SecurityTokenException("Unknown Username or Password")
        End If

    End Sub 'Validate
End Class 'MyCustomUserNameValidator

.NET Framework
Available since 3.0

Any public static ( Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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