read_from_protected_API.py

#!python3

import tkinter as tk
from tkinter import messagebox
import requests

# Keycloak-Konfiguration
keycloak_url = "https://your-keycloak-server/auth/realms/your-realm/protocol/openid-connect/token"
client_id = "your-client-id"
client_secret = "your-client-secret"

def get_keycloak_token(username, password):
    data = {
        "grant_type": "password",
        "client_id": client_id,
        "client_secret": client_secret,
        "username": username,
        "password": password
    }

    response = requests.post(keycloak_url, data=data)
    if response.status_code == 200:
        return response.json()["access_token"]
    else:
        return None

def login():
    username = username_entry.get()
    password = password_entry.get()

    global token
    token = get_keycloak_token(username, password)
    if token:
        messagebox.showinfo("Erfolg", "Anmeldung erfolgreich")
    else:
        messagebox.showerror("Fehler", "Anmeldung fehlgeschlagen")

def get_data():
    if not token:
        messagebox.showerror("Fehler", "Bitte melden Sie sich zuerst an")
        return

    api_url = "https://api.gruppe.ai/test"
    headers = {"Authorization": f"Bearer {token}"}
    response = requests.get(api_url, headers=headers)

    if response.status_code == 200:
        messagebox.showinfo("API-Antwort", response.text)
    else:
        messagebox.showerror("Fehler", f"API-Anfrage fehlgeschlagen: {response.status_code}")

# Tkinter-Anwendung
root = tk.Tk()
root.title("Keycloak-Anmeldung")

username_label = tk.Label(root, text="Benutzername:")
username_label.grid(row=0, column=0)
username_entry = tk.Entry(root)
username_entry.grid(row=0, column=1)

password_label = tk.Label(root, text="Passwort:")
password_label.grid(row=1, column=0)
password_entry = tk.Entry(root, show="*")
password_entry.grid(row=1, column=1)

login_button = tk.Button(root, text="Anmelden", command=login)
login_button.grid(row=2, column=0, columnspan=2)

get_data_button = tk.Button(root, text="Daten abrufen", command=get_data)
get_data_button.grid(row=3, column=0, columnspan=2)

token = None

root.mainloop()