UserManager/DDUserManager/DDUserManager/ModuleRuntime.vb

Imports System.IO
Imports DD_LIB_Standards

Module ModuleRuntime
    Public MyConnectionString As String
    Public LogErrorsOnly As Boolean = True
    Public ConfigPath As String = Path.Combine(Application.UserAppDataPath, "UserConfig.xml")
    Public rowresult

    Public USER_ID As Integer

    Public Function SaveMySettingsValue(name As String, value As String, type As String)
        Try
            Dim DT As DataTable
            If type = "ConfigMain" Then
                DT = GetTablefromXML(ConfigPath)
            End If

            If Not DT Is Nothing Then
                For Each Row As DataRow In DT.Rows
                    If Row.Item("ConfigName") = name Then
                        Row.Item("Value") = value
                    End If
                Next
                DT.AcceptChanges()
                DT.WriteXml(ConfigPath)
            Else
                MsgBox("Setting could not be saved! Check logfile.", MsgBoxStyle.Critical)
            End If

        Catch ex As Exception
            MsgBox("Error in SaveConfigValue" & vbNewLine & ex.Message, MsgBoxStyle.Critical)
            Return False
        End Try
        Return True

    End Function

    Private Function GetTablefromXML(path As String)
        Try
            Dim DS As New DataSet
            DS.ReadXml(path)
            Return DS.Tables(0)
        Catch ex As Exception
            MsgBox("Error in GetTablefromXML" & vbNewLine & ex.Message & vbNewLine & "ConfigPath: " & vbNewLine & path, MsgBoxStyle.Critical)
            clsLogger.Add("Error in GetTablefromXML: " & ex.Message, True)
            clsLogger.Add(">> ConfigPath: " & ConfigPath, False)
            Return Nothing
        End Try
    End Function

    Public Function MySettings_Load()
        Try
            Dim DT As DataTable
            'if file doesn't exist, create the file with its default xml table
            If Not File.Exists(ConfigPath) Then
                clsLogger.Add(">> ConfigFile was created in: " & ConfigPath, False)
                DT = CreateConfigTable()
                DT.WriteXml(ConfigPath)
                clsLogger.Add(">> Defaultvalues were saved.", False)
            End If
            DT = GetTablefromXML(ConfigPath)
            If DT Is Nothing Then
                MsgBox("Configuration could not be loaded!! Check LogFile!", MsgBoxStyle.Critical)
                Return False
            End If
            For Each Row As DataRow In DT.Rows
                rowresult &= Row.Item("ConfigName")
                Select Case Row.Item("ConfigName")
                    Case "MyConnectionString"
                        Dim connstring As String
                        'Den ConnectonString mit verschlüsseltem PW laden
                        Dim csb As New SqlClient.SqlConnectionStringBuilder
                        csb.ConnectionString = Row.Item("Value")
                        If Not csb.ConnectionString = "" Then
                            If csb.ConnectionString.Contains("Password=") Then
                                'sa-
                                'Jetzt das Passwort entschlüsseln
                                Dim PWplainText As String
                                Dim wrapper As New clsEncryption("!35452didalog=")
                                ' DecryptData throws if the wrong password is used.
                                Try
                                    PWplainText = wrapper.DecryptData(csb.Password)
                                    connstring = Row.Item("Value").ToString.Replace(csb.Password, PWplainText)
                                Catch ex As Exception
                                    clsLogger.Add("- the Password '" & csb.Password & "' could not be decrypted", False)
                                    connstring = ""
                                End Try

                            Else
                                'Windows-Auth
                                connstring = Row.Item("Value").ToString
                            End If

                            MyConnectionString = connstring
                        Else
                            MyConnectionString = ""
                        End If
                    Case "LogErrorsOnly"
                        LogErrorsOnly = CBool(Row.Item("Value"))
                End Select
            Next

        Catch ex As Exception
            MsgBox("Error in LoadMyConfig" & vbNewLine & ex.Message, MsgBoxStyle.Critical)
            clsLogger.Add("Error in LoadMyConfig: " & ex.Message, True)
            Return False
        End Try
        Return True

    End Function

    Private Function CreateConfigTable() As DataTable
        Try
            ' Create sample Customers table, in order
            ' to demonstrate the behavior of the DataTableReader.
            Dim table As New DataTable
            table.TableName = "MyConfig"

            ' Create two columns, ID and Name.
            Dim idColumn As DataColumn = table.Columns.Add("ID",
                GetType(System.Int32))

            idColumn.AutoIncrement = True
            idColumn.AutoIncrementSeed = 0
            idColumn.AutoIncrementStep = 1
            table.Columns.Add("ConfigName", GetType(System.String))
            table.Columns.Add("Value", GetType(System.String))
            'Set the ID column as the primary key column.
            table.PrimaryKey = New DataColumn() {idColumn}
            Dim newRow As DataRow = table.NewRow()
            newRow("ConfigName") = "MyConnectionString"
            newRow("Value") = ""
            table.Rows.Add(newRow)
            Dim newRow1 As DataRow = table.NewRow()
            newRow1("ConfigName") = "LogErrorsOnly"
            newRow1("Value") = "True"
            table.Rows.Add(newRow1)
            table.AcceptChanges()
            clsLogger.Add(">> CreateConfigTable su...", False)
            Return table
        Catch ex As Exception
            MsgBox("Error in CreateConfigTable" & vbNewLine & ex.Message, MsgBoxStyle.Critical)
            Return Nothing
        End Try
    End Function
End Module