main: Add failed login page

master/main.py

@@ -462,11 +462,12 @@ def admin():
     
 @app.route('/login', methods=['POST'])
 def login():
-    if request.method == 'POST':
     # Handle login
     print('Login attempt', flush=True)
     password = request.form['password']
+    print('Password: ' + password, flush=True)
     if os.getenv('ADMIN_KEY') == password:
+        print('Login success', flush=True)
         # Generate login key
         login_key = os.urandom(32).hex()
         logins.append(login_key)
@@ -474,6 +475,12 @@ def login():
         resp = make_response(redirect('/admin'))
         resp.set_cookie('login_key', login_key)
         return resp
+    print('Login failed', flush=True)
+    return redirect('/failed-login')
+
+@app.route('/failed-login')
+def failed_login():
+    return "<h1>Failed login</h1><br><form action='/login' method='POST'><input type='password' name='Master API'><input type='submit' value='Login'></form>"