Fakturierung, Timas, MSE_API

VERAG_PROG_ALLGEMEIN/Schnittstellen/MSE/cMSEAPI.vb

@@ -0,0 +1,114 @@
+Imports System.Net
+
+Public Class cMSEAPI
+
+    Public API_STRING
+    Dim API As New DataTable
+    Dim rest As New Chilkat.Rest
+    Dim SQL As New SQL
+    Dim apiSettingsloaded As Boolean = False
+
+
+    Sub New(program As String)
+        VERAG_PROG_ALLGEMEIN.cChilkat_Helper.UnlockCilkat()
+        API = SQL.loadDgvBySql("SELECT top(1) * FROM tblAPIEinstellungen WHERE api_program='" & program & "' and api_productive ='" & IIf(VERAG_PROG_ALLGEMEIN.cAllgemein.TESTSYSTEM, "0", "1") & "'", "ADMIN")
+        If API.Rows.Count = 0 Then
+            MsgBox("keine gültigen API-Einstellungen für " & program & " gefunden!")
+        Else
+            apiSettingsloaded = True
+            API_STRING = API.Rows(0).Item("api_url")
+        End If
+
+    End Sub
+
+
+    Public Function createJWT(ByRef failureText As String) As String
+        Try
+
+            If apiSettingsloaded = False Then Return False
+
+            Dim jwt As New Chilkat.Jwt
+
+            ' Build the JOSE header
+            Dim jose As New Chilkat.JsonObject
+            ' Use HS256.  Pass the string "HS384" or "HS512" to use a different algorithm.
+            Dim success As Boolean = jose.AppendString("alg", "HS256")
+            success = jose.AppendString("typ", "JWT")
+
+            ' Now build the JWT claims (also known as the payload)
+            Dim claims As New Chilkat.JsonObject
+            success = claims.AppendString("iss", API.Rows(0).Item("api_user"))
+            'success = claims.AppendString("sub", "")
+            'success = claims.AppendString("aud", "http://example.com")
+
+            ' Set the timestamp of when the JWT was created to now.
+            Dim curDateTime As Integer = jwt.GenNumericDate(0)
+            'success = claims.AddIntAt(-1, "iat", curDateTime)
+
+            ' Set the "not process before" timestamp to now.
+            'success = claims.AddIntAt(-1, "nbf", curDateTime)
+
+            ' Set the timestamp defining an expiration time (end time) for the token
+            ' to be now + 1 hour (3600 seconds)
+            success = claims.AddIntAt(-1, "exp", curDateTime + 3600)
+
+            ' Produce the smallest possible JWT:
+            jwt.AutoCompact = True
+
+            Dim strJwt As String = jwt.CreateJwt(jose.Emit(), claims.Emit(), API.Rows(0).Item("api_passwort"))
+
+            Debug.WriteLine(strJwt)
+            Return strJwt
+
+        Catch ex As WebException
+            VERAG_PROG_ALLGEMEIN.cErrorHandler.ERR(ex.Message, ex.StackTrace, System.Reflection.MethodInfo.GetCurrentMethod.Name)
+        End Try
+
+    End Function
+
+    Public Function getTransactions(jwt As String) As String
+        Try
+            Dim returnText As String = ""
+            Dim failureText As String = ""
+
+
+
+            Dim success As Boolean
+            rest.ClearAllQueryParams()
+
+            rest.AddHeader("X_API_KEY", jwt)
+
+            rest.IdleTimeoutMs = 5000
+
+            Dim responseJson As String = rest.FullRequestNoBody("GET", "/v1/transactions/new")
+            If (rest.LastMethodSuccess <> True) Then
+                Debug.WriteLine(rest.LastErrorText)
+                rest.IdleTimeoutMs = 30000 'defualt
+                Return "Fehler"
+            End If
+
+            If (rest.ResponseStatusCode <> 200) Then
+                Debug.WriteLine(rest.ResponseHeader)
+                Return "Fehler"
+            End If
+
+            Debug.WriteLine(responseJson)
+
+
+            Dim json As New Chilkat.JsonObject
+            success = json.Load(responseJson)
+            If (success <> True) Then
+                Debug.WriteLine(json.LastErrorText)
+            End If
+
+            Debug.WriteLine(json)
+
+
+
+        Catch ex As WebException
+            VERAG_PROG_ALLGEMEIN.cErrorHandler.ERR(ex.Message, ex.StackTrace, System.Reflection.MethodInfo.GetCurrentMethod.Name)
+        End Try
+
+    End Function
+
+End Class