Session Management (Noch leer)

v2_adminpanel/app.py

@@ -86,6 +86,10 @@ def dashboard():
     """)
     active_licenses = cur.fetchone()[0]
     
+    # Aktive Sessions
+    cur.execute("SELECT COUNT(*) FROM sessions WHERE is_active = TRUE")
+    active_sessions_count = cur.fetchone()[0]
+    
     # Abgelaufene Lizenzen
     cur.execute("""
         SELECT COUNT(*) FROM licenses 
@@ -151,7 +155,8 @@ def dashboard():
         'full_licenses': license_types.get('full', 0),
         'test_licenses': license_types.get('test', 0),
         'recent_licenses': recent_licenses,
-        'expiring_licenses': expiring_licenses
+        'expiring_licenses': expiring_licenses,
+        'active_sessions': active_sessions_count
     }
     
     return render_template("dashboard.html", stats=stats, username=session.get('username'))
@@ -478,5 +483,66 @@ def delete_customer(customer_id):
     
     return redirect("/customers")
 
+@app.route("/sessions")
+@login_required
+def sessions():
+    conn = get_connection()
+    cur = conn.cursor()
+    
+    # Aktive Sessions abrufen
+    cur.execute("""
+        SELECT s.id, s.session_id, l.license_key, c.name, s.ip_address, 
+               s.user_agent, s.started_at, s.last_heartbeat,
+               EXTRACT(EPOCH FROM (NOW() - s.last_heartbeat))/60 as minutes_inactive
+        FROM sessions s
+        JOIN licenses l ON s.license_id = l.id
+        JOIN customers c ON l.customer_id = c.id
+        WHERE s.is_active = TRUE
+        ORDER BY s.last_heartbeat DESC
+    """)
+    active_sessions = cur.fetchall()
+    
+    # Inaktive Sessions der letzten 24 Stunden
+    cur.execute("""
+        SELECT s.id, s.session_id, l.license_key, c.name, s.ip_address, 
+               s.started_at, s.ended_at, 
+               EXTRACT(EPOCH FROM (s.ended_at - s.started_at))/60 as duration_minutes
+        FROM sessions s
+        JOIN licenses l ON s.license_id = l.id
+        JOIN customers c ON l.customer_id = c.id
+        WHERE s.is_active = FALSE 
+        AND s.ended_at > NOW() - INTERVAL '24 hours'
+        ORDER BY s.ended_at DESC
+        LIMIT 50
+    """)
+    recent_sessions = cur.fetchall()
+    
+    cur.close()
+    conn.close()
+    
+    return render_template("sessions.html", 
+                         active_sessions=active_sessions,
+                         recent_sessions=recent_sessions,
+                         username=session.get('username'))
+
+@app.route("/session/end/<int:session_id>", methods=["POST"])
+@login_required
+def end_session(session_id):
+    conn = get_connection()
+    cur = conn.cursor()
+    
+    # Session beenden
+    cur.execute("""
+        UPDATE sessions 
+        SET is_active = FALSE, ended_at = NOW()
+        WHERE id = %s AND is_active = TRUE
+    """, (session_id,))
+    
+    conn.commit()
+    cur.close()
+    conn.close()
+    
+    return redirect("/sessions")
+
 if __name__ == "__main__":
     app.run(host="0.0.0.0", port=443, ssl_context='adhoc')

v2_adminpanel/init.sql

@@ -17,3 +17,15 @@ CREATE TABLE IF NOT EXISTS licenses (
     valid_until DATE NOT NULL,
     is_active BOOLEAN DEFAULT TRUE
 );
+
+CREATE TABLE IF NOT EXISTS sessions (
+    id SERIAL PRIMARY KEY,
+    license_id INTEGER REFERENCES licenses(id),
+    session_id TEXT UNIQUE NOT NULL,
+    ip_address TEXT,
+    user_agent TEXT,
+    started_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    last_heartbeat TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    ended_at TIMESTAMP,
+    is_active BOOLEAN DEFAULT TRUE
+);

v2_adminpanel/templates/customers.html

@@ -23,6 +23,7 @@
             <a href="/" class="btn btn-secondary">📊 Dashboard</a>
             <a href="/create" class="btn btn-primary">➕ Neue Lizenz</a>
             <a href="/licenses" class="btn btn-secondary">📋 Lizenzen</a>
+            <a href="/sessions" class="btn btn-secondary">🟢 Sessions</a>
         </div>
     </div>
 

v2_adminpanel/templates/dashboard.html

@@ -34,6 +34,7 @@
             <a href="/create" class="btn btn-primary">➕ Neue Lizenz</a>
             <a href="/licenses" class="btn btn-secondary">📋 Lizenzen</a>
             <a href="/customers" class="btn btn-secondary">👥 Kunden</a>
+            <a href="/sessions" class="btn btn-secondary">🟢 Sessions</a>
         </div>
     </div>
 
@@ -69,9 +70,9 @@
         <div class="col-md-3">
             <div class="card stat-card h-100">
                 <div class="card-body text-center">
-                    <h5 class="card-title">⚠️ Ablaufend</h5>
-                    <h2 class="text-warning">{{ stats.expiring_soon }}</h2>
-                    <p class="text-muted mb-0">Nächste 30 Tage</p>
+                    <h5 class="card-title">🟢 Sessions</h5>
+                    <h2 class="text-success">{{ stats.active_sessions }}</h2>
+                    <p class="text-muted mb-0">Aktive Nutzer</p>
                 </div>
             </div>
         </div>

v2_adminpanel/templates/index.html

@@ -23,6 +23,7 @@
             <a href="/" class="btn btn-secondary">📊 Dashboard</a>
             <a href="/licenses" class="btn btn-secondary">📋 Lizenzen</a>
             <a href="/customers" class="btn btn-secondary">👥 Kunden</a>
+            <a href="/sessions" class="btn btn-secondary">🟢 Sessions</a>
         </div>
     </div>
 

v2_adminpanel/templates/licenses.html

@@ -28,6 +28,7 @@
             <a href="/" class="btn btn-secondary">📊 Dashboard</a>
             <a href="/create" class="btn btn-primary">➕ Neue Lizenz</a>
             <a href="/customers" class="btn btn-secondary">👥 Kunden</a>
+            <a href="/sessions" class="btn btn-secondary">🟢 Sessions</a>
         </div>
     </div>
 

v2_adminpanel/templates/sessions.html

@@ -0,0 +1,139 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <title>Session-Tracking - Admin Panel</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+    <style>
+        .session-active { background-color: #d4edda; }
+        .session-warning { background-color: #fff3cd; }
+        .session-inactive { background-color: #f8f9fa; }
+    </style>
+</head>
+<body class="bg-light">
+<nav class="navbar navbar-dark bg-dark">
+    <div class="container">
+        <span class="navbar-brand">🎛️ Lizenzverwaltung</span>
+        <div class="d-flex align-items-center">
+            <span class="text-white me-3">Angemeldet als: {{ username }}</span>
+            <a href="/logout" class="btn btn-outline-light btn-sm">Abmelden</a>
+        </div>
+    </div>
+</nav>
+
+<div class="container py-5">
+    <div class="d-flex justify-content-between align-items-center mb-4">
+        <h2>Session-Tracking</h2>
+        <div>
+            <a href="/" class="btn btn-secondary">📊 Dashboard</a>
+            <a href="/licenses" class="btn btn-secondary">📋 Lizenzen</a>
+            <a href="/customers" class="btn btn-secondary">👥 Kunden</a>
+        </div>
+    </div>
+
+    <!-- Aktive Sessions -->
+    <div class="card mb-4">
+        <div class="card-header bg-success text-white">
+            <h5 class="mb-0">🟢 Aktive Sessions ({{ active_sessions|length }})</h5>
+        </div>
+        <div class="card-body">
+            {% if active_sessions %}
+            <div class="table-responsive">
+                <table class="table table-hover">
+                    <thead>
+                        <tr>
+                            <th>Kunde</th>
+                            <th>Lizenz</th>
+                            <th>IP-Adresse</th>
+                            <th>Gestartet</th>
+                            <th>Letzter Heartbeat</th>
+                            <th>Inaktiv seit</th>
+                            <th>Aktion</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        {% for session in active_sessions %}
+                        <tr class="{% if session[8] > 5 %}session-warning{% else %}session-active{% endif %}">
+                            <td>{{ session[3] }}</td>
+                            <td><small><code>{{ session[2][:12] }}...</code></small></td>
+                            <td>{{ session[4] or '-' }}</td>
+                            <td>{{ session[6].strftime('%d.%m %H:%M') }}</td>
+                            <td>{{ session[7].strftime('%d.%m %H:%M') }}</td>
+                            <td>
+                                {% if session[8] < 1 %}
+                                    <span class="badge bg-success">Aktiv</span>
+                                {% elif session[8] < 5 %}
+                                    <span class="badge bg-warning">{{ session[8]|round|int }} Min.</span>
+                                {% else %}
+                                    <span class="badge bg-danger">{{ session[8]|round|int }} Min.</span>
+                                {% endif %}
+                            </td>
+                            <td>
+                                <form method="post" action="/session/end/{{ session[0] }}" style="display: inline;">
+                                    <button type="submit" class="btn btn-sm btn-outline-danger" 
+                                            onclick="return confirm('Session wirklich beenden?');">
+                                        ⏹️ Beenden
+                                    </button>
+                                </form>
+                            </td>
+                        </tr>
+                        {% endfor %}
+                    </tbody>
+                </table>
+            </div>
+            <small class="text-muted">
+                Sessions gelten als inaktiv nach 5 Minuten ohne Heartbeat
+            </small>
+            {% else %}
+            <p class="text-muted mb-0">Keine aktiven Sessions vorhanden.</p>
+            {% endif %}
+        </div>
+    </div>
+
+    <!-- Beendete Sessions -->
+    <div class="card">
+        <div class="card-header bg-secondary text-white">
+            <h5 class="mb-0">⏸️ Beendete Sessions (letzte 24 Stunden)</h5>
+        </div>
+        <div class="card-body">
+            {% if recent_sessions %}
+            <div class="table-responsive">
+                <table class="table table-sm">
+                    <thead>
+                        <tr>
+                            <th>Kunde</th>
+                            <th>Lizenz</th>
+                            <th>IP-Adresse</th>
+                            <th>Gestartet</th>
+                            <th>Beendet</th>
+                            <th>Dauer</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        {% for session in recent_sessions %}
+                        <tr class="session-inactive">
+                            <td>{{ session[3] }}</td>
+                            <td><small><code>{{ session[2][:12] }}...</code></small></td>
+                            <td>{{ session[4] or '-' }}</td>
+                            <td>{{ session[5].strftime('%d.%m %H:%M') }}</td>
+                            <td>{{ session[6].strftime('%d.%m %H:%M') }}</td>
+                            <td>
+                                {% if session[7] < 60 %}
+                                    {{ session[7]|round|int }} Min.
+                                {% else %}
+                                    {{ (session[7]/60)|round(1) }} Std.
+                                {% endif %}
+                            </td>
+                        </tr>
+                        {% endfor %}
+                    </tbody>
+                </table>
+            </div>
+            {% else %}
+            <p class="text-muted mb-0">Keine beendeten Sessions in den letzten 24 Stunden.</p>
+            {% endif %}
+        </div>
+    </div>
+</div>
+</body>
+</html>