So Leute danke an alle die geholfen haben. Der Fehler ist ziemlich lustig^^
Mit den Cookies war alles super. Das Problem war das ich lediglich vergessen hatte den UserAgent bei der GET zu übergeben...
Sorry
MfG
Code:
Imports System.IO
Imports System.Text
Imports System.Net
Public Class Form1
Public Shared cookiecon As New CookieContainer
Private Sub btnStart_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnStart.Click
Dim request As HttpWebRequest = DirectCast(HttpWebRequest.Create("https://forum.die-staemme.de/login.php?do=login"), HttpWebRequest)
Dim username As String = tbUsername.Text
Dim password As String = tbPassword.Text
Dim post As String = "vb_login_username=" & username & "&vb_login_password=" & password & "&vb_login_password_hint=Kennwort&s=&securitytoken=guest&do=login&vb_login_md5password=&vb_login_md5password_utf="
Dim userAgent As String = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:41.0) Gecko/20100101 Firefox/41.0"
Dim ContentType As String = "application/x-www-form-urlencoded"
POST_________LOGIN_________________________
request.Method = "POST"
request.CookieContainer = cookiecon
request.UserAgent = userAgent
request.ContentType = ContentType
Dim byteArr() As Byte = Encoding.Default.GetBytes(post)
request.ContentLength = byteArr.Length
Dim dataStream As Stream = request.GetRequestStream()
dataStream.Write(byteArr, 0, byteArr.Length)
Dim response As HttpWebResponse = DirectCast(request.GetResponse(), HttpWebResponse)
Dim reader As New StreamReader(response.GetResponseStream())
Dim seitenQuelltext As String = reader.ReadToEnd()
Dim anzahl As Integer = cookiecon.Count
If seitenQuelltext.Contains("Weiterleitung . . .") Then
Label3.Text = "Eingeloggt! " & anzahl
seitenQuelltext = ""
Else
Label3.Text = "Fehler " & anzahl
End If
GET____AUF HAUPTSEITTE_______________________________
Dim anzahl2 As Integer = cookiecon.Count
request = DirectCast(HttpWebRequest.Create("https://forum.die-staemme.de/forum.php"), HttpWebRequest)
request.CookieContainer = cookiecon
request.KeepAlive = True
request.Method = "GET"
request.ContentType = ContentType
request.UserAgent = userAgent
response = DirectCast(request.GetResponse(), HttpWebResponse)
reader = New StreamReader(response.GetResponseStream())
seitenQuelltext = reader.ReadToEnd()
If seitenQuelltext.Contains("Hallo,") Then
Label4.Text = "OK " & anzahl2
Else
Label4.Text = "Fehler " & anzahl2
End If
GET____AUF Kalender_______________________________
Dim anzahl3 As Integer = cookiecon.Count
request = DirectCast(HttpWebRequest.Create("https://forum.die-staemme.de/calendar.php"), HttpWebRequest)
request.CookieContainer = cookiecon
request.KeepAlive = True
request.Method = "GET"
request.ContentType = ContentType
request.UserAgent = userAgent
response = DirectCast(request.GetResponse(), HttpWebResponse)
reader = New StreamReader(response.GetResponseStream())
seitenQuelltext = reader.ReadToEnd()
If seitenQuelltext.Contains("Respektl0s") Then
Label5.Text = "OK " & anzahl3
Else
Label5.Text = "Fehler " & anzahl3
End If
End Sub
End Class