Procedure: aspnet_Membership_GetPassword

Description

Gets the specified user's password data from the database. Used for retrieving passwords with a user-supplied password answer.

Parameters

Name	Type	Direction
@ApplicationName	nvarchar	Input
@UserName	nvarchar	Input
@MaxInvalidPasswordAttempts	int	Input
@PasswordAttemptWindow	int	Input
@CurrentTimeUtc	datetime	Input
@PasswordAnswer	nvarchar	Input

Definition

CREATE PROCEDURE dbo.aspnet_Membership_GetPassword
    @ApplicationName                nvarchar(256),
    @UserName                       nvarchar(256),
    @MaxInvalidPasswordAttempts     int,
    @PasswordAttemptWindow          int,
    @CurrentTimeUtc                 datetime,
    @PasswordAnswer                 nvarchar(128) = NULL
AS
BEGIN
    DECLARE @UserId                                 uniqueidentifier
    DECLARE @PasswordFormat                         int
    DECLARE @Password                               nvarchar(128)
    DECLARE @passAns                                nvarchar(128)
    DECLARE @IsLockedOut                            bit
    DECLARE @LastLockoutDate                        datetime
    DECLARE @FailedPasswordAttemptCount             int
    DECLARE @FailedPasswordAttemptWindowStart       datetime
    DECLARE @FailedPasswordAnswerAttemptCount       int
    DECLARE @FailedPasswordAnswerAttemptWindowStart datetime

    DECLARE @ErrorCode     int
    SET @ErrorCode = 0

    DECLARE @TranStarted   bit
    SET @TranStarted = 0

    IF( @@TRANCOUNT = 0 )
    BEGIN
	    BEGIN TRANSACTION
	    SET @TranStarted = 1
    END
    ELSE
    	SET @TranStarted = 0

    SELECT  @UserId = u.UserId,
            @Password = m.Password,
            @passAns = m.PasswordAnswer,
            @PasswordFormat = m.PasswordFormat,
            @IsLockedOut = m.IsLockedOut,
            @LastLockoutDate = m.LastLockoutDate,
            @FailedPasswordAttemptCount = m.FailedPasswordAttemptCount,
            @FailedPasswordAttemptWindowStart = m.FailedPasswordAttemptWindowStart,
            @FailedPasswordAnswerAttemptCount = m.FailedPasswordAnswerAttemptCount,
            @FailedPasswordAnswerAttemptWindowStart = m.FailedPasswordAnswerAttemptWindowStart
    FROM    dbo.aspnet_Applications a, dbo.aspnet_Users u, dbo.aspnet_Membership m WITH ( UPDLOCK )
    WHERE   LOWER(@ApplicationName) = a.LoweredApplicationName AND
            u.ApplicationId = a.ApplicationId    AND
            u.UserId = m.UserId AND
            LOWER(@UserName) = u.LoweredUserName

    IF ( @@rowcount = 0 )
    BEGIN
        SET @ErrorCode = 1
        GOTO Cleanup
    END

    IF( @IsLockedOut = 1 )
    BEGIN
        SET @ErrorCode = 99
        GOTO Cleanup
    END

    IF ( NOT( @PasswordAnswer IS NULL ) )
    BEGIN
        IF( ( @passAns IS NULL ) OR ( LOWER( @passAns ) <> LOWER( @PasswordAnswer ) ) )
        BEGIN
            IF( @CurrentTimeUtc > DATEADD( minute, @PasswordAttemptWindow, @FailedPasswordAnswerAttemptWindowStart ) )
            BEGIN
                SET @FailedPasswordAnswerAttemptWindowStart = @CurrentTimeUtc
                SET @FailedPasswordAnswerAttemptCount = 1
            END
            ELSE
            BEGIN
                SET @FailedPasswordAnswerAttemptCount = @FailedPasswordAnswerAttemptCount + 1
                SET @FailedPasswordAnswerAttemptWindowStart = @CurrentTimeUtc
            END

            BEGIN
                IF( @FailedPasswordAnswerAttemptCount >= @MaxInvalidPasswordAttempts )
                BEGIN
                    SET @IsLockedOut = 1
                    SET @LastLockoutDate = @CurrentTimeUtc
                END
            END

            SET @ErrorCode = 3
        END
        ELSE
        BEGIN
            IF( @FailedPasswordAnswerAttemptCount > 0 )
            BEGIN
                SET @FailedPasswordAnswerAttemptCount = 0
                SET @FailedPasswordAnswerAttemptWindowStart = CONVERT( datetime, '17540101', 112 )
            END
        END

        UPDATE dbo.aspnet_Membership
        SET IsLockedOut = @IsLockedOut, LastLockoutDate = @LastLockoutDate,
            FailedPasswordAttemptCount = @FailedPasswordAttemptCount,
            FailedPasswordAttemptWindowStart = @FailedPasswordAttemptWindowStart,
            FailedPasswordAnswerAttemptCount = @FailedPasswordAnswerAttemptCount,
            FailedPasswordAnswerAttemptWindowStart = @FailedPasswordAnswerAttemptWindowStart
        WHERE @UserId = UserId

        IF( @@ERROR <> 0 )
        BEGIN
            SET @ErrorCode = -1
            GOTO Cleanup
        END
    END

    IF( @TranStarted = 1 )
    BEGIN
	SET @TranStarted = 0
	COMMIT TRANSACTION
    END

    IF( @ErrorCode = 0 )
        SELECT @Password, @PasswordFormat

    RETURN @ErrorCode

Cleanup:

    IF( @TranStarted = 1 )
    BEGIN
        SET @TranStarted = 0
    	ROLLBACK TRANSACTION
    END

    RETURN @ErrorCode

END

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ASP.NET 2.0 Provider Database