first commit

app/api/mqtt/acl/[id]/route.ts

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+// API Route für einzelne ACL Regel
+import { NextRequest, NextResponse } from 'next/server';
+import { auth } from '@/lib/auth';
+import { mqttAclRuleDb } from '@/lib/mqtt-db';
+import { deviceDb } from '@/lib/db';
+
+/**
+ * PATCH /api/mqtt/acl/[id]
+ * Aktualisiere eine ACL Regel
+ */
+export async function PATCH(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  try {
+    const session = await auth();
+    if (!session?.user || (session.user as any).role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+
+    const { id: idParam } = await params;
+    const id = parseInt(idParam);
+    if (isNaN(id)) {
+      return NextResponse.json(
+        { error: 'Invalid ACL rule ID' },
+        { status: 400 }
+      );
+    }
+
+    const body = await request.json();
+    const { topic_pattern, permission } = body;
+
+    // Validation
+    if (permission && !['read', 'write', 'readwrite'].includes(permission)) {
+      return NextResponse.json(
+        { error: 'Permission must be read, write, or readwrite' },
+        { status: 400 }
+      );
+    }
+
+    // Get current ACL rule to check device ownership
+    const userId = (session.user as any).id;
+    const currentRule = mqttAclRuleDb.findByDeviceId(''); // We need to get by ID first
+    const aclRules = mqttAclRuleDb.findAll();
+    const rule = aclRules.find(r => r.id === id);
+
+    if (!rule) {
+      return NextResponse.json(
+        { error: 'ACL rule not found' },
+        { status: 404 }
+      );
+    }
+
+    // Check if device belongs to user
+    const device = deviceDb.findById(rule.device_id);
+    if (!device || device.ownerId !== userId) {
+      return NextResponse.json(
+        { error: 'Access denied' },
+        { status: 403 }
+      );
+    }
+
+    const updated = mqttAclRuleDb.update(id, {
+      topic_pattern,
+      permission
+    });
+
+    if (!updated) {
+      return NextResponse.json(
+        { error: 'Failed to update ACL rule' },
+        { status: 500 }
+      );
+    }
+
+    return NextResponse.json(updated);
+  } catch (error) {
+    console.error('Failed to update ACL rule:', error);
+    return NextResponse.json(
+      { error: 'Failed to update ACL rule' },
+      { status: 500 }
+    );
+  }
+}
+
+/**
+ * DELETE /api/mqtt/acl/[id]
+ * Lösche eine ACL Regel
+ */
+export async function DELETE(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  try {
+    const session = await auth();
+    if (!session?.user || (session.user as any).role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+
+    const { id: idParam } = await params;
+    const id = parseInt(idParam);
+    if (isNaN(id)) {
+      return NextResponse.json(
+        { error: 'Invalid ACL rule ID' },
+        { status: 400 }
+      );
+    }
+
+    // Get current ACL rule to check device ownership
+    const userId = (session.user as any).id;
+    const aclRules = mqttAclRuleDb.findAll();
+    const rule = aclRules.find(r => r.id === id);
+
+    if (!rule) {
+      return NextResponse.json(
+        { error: 'ACL rule not found' },
+        { status: 404 }
+      );
+    }
+
+    // Check if device belongs to user
+    const device = deviceDb.findById(rule.device_id);
+    if (!device || device.ownerId !== userId) {
+      return NextResponse.json(
+        { error: 'Access denied' },
+        { status: 403 }
+      );
+    }
+
+    const deleted = mqttAclRuleDb.delete(id);
+
+    if (!deleted) {
+      return NextResponse.json(
+        { error: 'Failed to delete ACL rule' },
+        { status: 500 }
+      );
+    }
+
+    return NextResponse.json({ success: true });
+  } catch (error) {
+    console.error('Failed to delete ACL rule:', error);
+    return NextResponse.json(
+      { error: 'Failed to delete ACL rule' },
+      { status: 500 }
+    );
+  }
+}

app/api/mqtt/acl/route.ts

@@ -0,0 +1,104 @@
+// API Route für MQTT ACL Management
+import { NextRequest, NextResponse } from 'next/server';
+import { auth } from '@/lib/auth';
+import { mqttAclRuleDb } from '@/lib/mqtt-db';
+import { deviceDb } from '@/lib/db';
+
+/**
+ * GET /api/mqtt/acl?device_id=xxx
+ * Hole ACL Regeln für ein Device
+ */
+export async function GET(request: NextRequest) {
+  try {
+    const session = await auth();
+    if (!session?.user || (session.user as any).role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+
+    const searchParams = request.nextUrl.searchParams;
+    const device_id = searchParams.get('device_id');
+
+    if (!device_id) {
+      return NextResponse.json(
+        { error: 'device_id query parameter is required' },
+        { status: 400 }
+      );
+    }
+
+    // Check if device belongs to user
+    const userId = (session.user as any).id;
+    const device = deviceDb.findById(device_id);
+
+    if (!device || device.ownerId !== userId) {
+      return NextResponse.json(
+        { error: 'Device not found or access denied' },
+        { status: 404 }
+      );
+    }
+
+    const rules = mqttAclRuleDb.findByDeviceId(device_id);
+    return NextResponse.json(rules);
+  } catch (error) {
+    console.error('Failed to fetch ACL rules:', error);
+    return NextResponse.json(
+      { error: 'Failed to fetch ACL rules' },
+      { status: 500 }
+    );
+  }
+}
+
+/**
+ * POST /api/mqtt/acl
+ * Erstelle neue ACL Regel
+ */
+export async function POST(request: NextRequest) {
+  try {
+    const session = await auth();
+    if (!session?.user || (session.user as any).role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+
+    const body = await request.json();
+    const { device_id, topic_pattern, permission } = body;
+
+    // Validierung
+    if (!device_id || !topic_pattern || !permission) {
+      return NextResponse.json(
+        { error: 'device_id, topic_pattern, and permission are required' },
+        { status: 400 }
+      );
+    }
+
+    if (!['read', 'write', 'readwrite'].includes(permission)) {
+      return NextResponse.json(
+        { error: 'permission must be one of: read, write, readwrite' },
+        { status: 400 }
+      );
+    }
+
+    // Check if device belongs to user
+    const userId = (session.user as any).id;
+    const device = deviceDb.findById(device_id);
+
+    if (!device || device.ownerId !== userId) {
+      return NextResponse.json(
+        { error: 'Device not found or access denied' },
+        { status: 404 }
+      );
+    }
+
+    const rule = mqttAclRuleDb.create({
+      device_id,
+      topic_pattern,
+      permission
+    });
+
+    return NextResponse.json(rule, { status: 201 });
+  } catch (error) {
+    console.error('Failed to create ACL rule:', error);
+    return NextResponse.json(
+      { error: 'Failed to create ACL rule' },
+      { status: 500 }
+    );
+  }
+}

app/api/mqtt/credentials/[device_id]/route.ts

@@ -0,0 +1,143 @@
+// API Route für einzelne MQTT Credentials
+import { NextRequest, NextResponse } from 'next/server';
+import { auth } from '@/lib/auth';
+import { mqttCredentialDb, mqttAclRuleDb } from '@/lib/mqtt-db';
+import { hashPassword } from '@/lib/mosquitto-sync';
+import { randomBytes } from 'crypto';
+
+/**
+ * GET /api/mqtt/credentials/[device_id]
+ * Hole MQTT Credentials für ein Device
+ */
+export async function GET(
+  request: NextRequest,
+  { params }: { params: Promise<{ device_id: string }> }
+) {
+  const { device_id } = await params;
+  try {
+    const session = await auth();
+    if (!session?.user || (session.user as any).role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+
+    const credential = mqttCredentialDb.findByDeviceId(device_id);
+
+    if (!credential) {
+      return NextResponse.json(
+        { error: 'Credentials not found' },
+        { status: 404 }
+      );
+    }
+
+    return NextResponse.json(credential);
+  } catch (error) {
+    console.error('Failed to fetch MQTT credentials:', error);
+    return NextResponse.json(
+      { error: 'Failed to fetch credentials' },
+      { status: 500 }
+    );
+  }
+}
+
+/**
+ * PATCH /api/mqtt/credentials/[device_id]
+ * Aktualisiere MQTT Credentials
+ */
+export async function PATCH(
+  request: NextRequest,
+  { params }: { params: Promise<{ device_id: string }> }
+) {
+  const { device_id } = await params;
+  try {
+    const session = await auth();
+    if (!session?.user || (session.user as any).role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+
+    const body = await request.json();
+    const { regenerate_password, enabled } = body;
+
+    const credential = mqttCredentialDb.findByDeviceId(device_id);
+    if (!credential) {
+      return NextResponse.json(
+        { error: 'Credentials not found' },
+        { status: 404 }
+      );
+    }
+
+    let newPassword: string | undefined;
+    let updateData: any = {};
+
+    // Regeneriere Passwort wenn angefordert
+    if (regenerate_password) {
+      newPassword = randomBytes(16).toString('base64');
+      const password_hash = await hashPassword(newPassword);
+      updateData.mqtt_password_hash = password_hash;
+    }
+
+    // Update enabled Status
+    if (enabled !== undefined) {
+      updateData.enabled = enabled ? 1 : 0;
+    }
+
+    // Update Credentials
+    const updated = mqttCredentialDb.update(device_id, updateData);
+
+    if (!updated) {
+      return NextResponse.json(
+        { error: 'Failed to update credentials' },
+        { status: 500 }
+      );
+    }
+
+    return NextResponse.json({
+      ...updated,
+      // Sende neues Passwort nur wenn regeneriert
+      ...(newPassword && { mqtt_password: newPassword })
+    });
+  } catch (error) {
+    console.error('Failed to update MQTT credentials:', error);
+    return NextResponse.json(
+      { error: 'Failed to update credentials' },
+      { status: 500 }
+    );
+  }
+}
+
+/**
+ * DELETE /api/mqtt/credentials/[device_id]
+ * Lösche MQTT Credentials für ein Device
+ */
+export async function DELETE(
+  request: NextRequest,
+  { params }: { params: Promise<{ device_id: string }> }
+) {
+  const { device_id } = await params;
+  try {
+    const session = await auth();
+    if (!session?.user || (session.user as any).role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+
+    // Lösche zuerst alle ACL Regeln
+    mqttAclRuleDb.deleteByDeviceId(device_id);
+
+    // Dann lösche Credentials
+    const deleted = mqttCredentialDb.delete(device_id);
+
+    if (!deleted) {
+      return NextResponse.json(
+        { error: 'Credentials not found' },
+        { status: 404 }
+      );
+    }
+
+    return NextResponse.json({ success: true });
+  } catch (error) {
+    console.error('Failed to delete MQTT credentials:', error);
+    return NextResponse.json(
+      { error: 'Failed to delete credentials' },
+      { status: 500 }
+    );
+  }
+}

app/api/mqtt/credentials/route.ts

@@ -0,0 +1,126 @@
+// API Route für MQTT Credentials Management
+import { NextRequest, NextResponse } from 'next/server';
+import { auth } from '@/lib/auth';
+import { mqttCredentialDb, mqttAclRuleDb } from '@/lib/mqtt-db';
+import { deviceDb } from '@/lib/db';
+import { hashPassword } from '@/lib/mosquitto-sync';
+import { randomBytes } from 'crypto';
+
+/**
+ * GET /api/mqtt/credentials
+ * Liste alle MQTT Credentials
+ */
+export async function GET() {
+  try {
+    const session = await auth();
+    if (!session?.user || (session.user as any).role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+
+    const userId = (session.user as any).id;
+    const credentials = mqttCredentialDb.findAll();
+
+    // Filter credentials to only show user's devices
+    const credentialsWithDevices = credentials
+      .map(cred => {
+        const device = deviceDb.findById(cred.device_id);
+        return {
+          ...cred,
+          device_name: device?.name || 'Unknown Device',
+          device_owner: device?.ownerId
+        };
+      })
+      .filter(cred => cred.device_owner === userId);
+
+    return NextResponse.json(credentialsWithDevices);
+  } catch (error) {
+    console.error('Failed to fetch MQTT credentials:', error);
+    return NextResponse.json(
+      { error: 'Failed to fetch credentials' },
+      { status: 500 }
+    );
+  }
+}
+
+/**
+ * POST /api/mqtt/credentials
+ * Erstelle neue MQTT Credentials für ein Device
+ */
+export async function POST(request: NextRequest) {
+  try {
+    const session = await auth();
+    if (!session?.user || (session.user as any).role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+
+    const body = await request.json();
+    const { device_id, mqtt_username, mqtt_password, auto_generate } = body;
+
+    // Validierung
+    if (!device_id) {
+      return NextResponse.json(
+        { error: 'device_id is required' },
+        { status: 400 }
+      );
+    }
+
+    // Prüfe ob Device existiert
+    const device = deviceDb.findById(device_id);
+    if (!device) {
+      return NextResponse.json(
+        { error: 'Device not found' },
+        { status: 404 }
+      );
+    }
+
+    // Prüfe ob bereits Credentials existieren
+    const existing = mqttCredentialDb.findByDeviceId(device_id);
+    if (existing) {
+      return NextResponse.json(
+        { error: 'MQTT credentials already exist for this device' },
+        { status: 409 }
+      );
+    }
+
+    // Generiere oder verwende übergebene Credentials
+    let username = mqtt_username;
+    let password = mqtt_password;
+
+    if (auto_generate || !username) {
+      // Generiere Username: device_[device-id]_[random]
+      username = `device_${device_id}_${randomBytes(4).toString('hex')}`;
+    }
+
+    if (auto_generate || !password) {
+      // Generiere sicheres Passwort
+      password = randomBytes(16).toString('base64');
+    }
+
+    // Hash Passwort
+    const password_hash = await hashPassword(password);
+
+    // Erstelle Credentials
+    const credential = mqttCredentialDb.create({
+      device_id,
+      mqtt_username: username,
+      mqtt_password_hash: password_hash,
+      enabled: 1
+    });
+
+    // Erstelle Default ACL Regel
+    mqttAclRuleDb.createDefaultRule(device_id);
+
+    return NextResponse.json({
+      ...credential,
+      // Sende Plaintext-Passwort nur bei Erstellung zurück
+      mqtt_password: password,
+      device_name: device.name
+    }, { status: 201 });
+  } catch (error) {
+    console.error('Failed to create MQTT credentials:', error);
+    return NextResponse.json(
+      { error: 'Failed to create credentials' },
+      { status: 500 }
+    );
+  }
+}

app/api/mqtt/send-credentials/route.ts

@@ -0,0 +1,90 @@
+import { NextResponse } from 'next/server';
+import { auth } from '@/lib/auth';
+import { emailService } from '@/lib/email-service';
+import { deviceDb, userDb } from '@/lib/db';
+
+// POST /api/mqtt/send-credentials - Send MQTT credentials via email
+export async function POST(request: Request) {
+  try {
+    const session = await auth();
+
+    if (!session?.user) {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+
+    // Only admins can send credentials
+    if ((session.user as any).role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Forbidden' }, { status: 403 });
+    }
+
+    const body = await request.json();
+    const { deviceId, mqttUsername, mqttPassword } = body;
+
+    if (!deviceId || !mqttUsername || !mqttPassword) {
+      return NextResponse.json(
+        { error: 'Missing required fields: deviceId, mqttUsername, mqttPassword' },
+        { status: 400 }
+      );
+    }
+
+    // Get device info
+    const device = deviceDb.findById(deviceId);
+    if (!device) {
+      return NextResponse.json({ error: 'Device not found' }, { status: 404 });
+    }
+
+    // Get device owner
+    if (!device.ownerId) {
+      return NextResponse.json(
+        { error: 'Device has no owner assigned' },
+        { status: 400 }
+      );
+    }
+
+    const owner = userDb.findById(device.ownerId);
+    if (!owner) {
+      return NextResponse.json(
+        { error: 'Device owner not found' },
+        { status: 404 }
+      );
+    }
+
+    if (!owner.email) {
+      return NextResponse.json(
+        { error: 'Device owner has no email address' },
+        { status: 400 }
+      );
+    }
+
+    // Parse broker URL from environment or use default
+    const brokerUrl = process.env.MQTT_BROKER_URL || 'mqtt://localhost:1883';
+    const brokerHost = brokerUrl.replace(/^mqtt:\/\//, '').replace(/:\d+$/, '');
+    const brokerPortMatch = brokerUrl.match(/:(\d+)$/);
+    const brokerPort = brokerPortMatch ? brokerPortMatch[1] : '1883';
+
+    // Send email
+    await emailService.sendMqttCredentialsEmail({
+      email: owner.email,
+      deviceName: device.name,
+      deviceId: device.id,
+      mqttUsername,
+      mqttPassword,
+      brokerUrl,
+      brokerHost,
+      brokerPort,
+    });
+
+    console.log(`[MQTT] Credentials sent via email to ${owner.email} for device ${device.name}`);
+
+    return NextResponse.json({
+      success: true,
+      message: `Credentials sent to ${owner.email}`,
+    });
+  } catch (error) {
+    console.error('Error sending MQTT credentials email:', error);
+    return NextResponse.json(
+      { error: error instanceof Error ? error.message : 'Failed to send email' },
+      { status: 500 }
+    );
+  }
+}

app/api/mqtt/sync/route.ts

@@ -0,0 +1,50 @@
+// API Route für Mosquitto Configuration Sync
+import { NextResponse } from 'next/server';
+import { auth } from '@/lib/auth';
+import { syncMosquittoConfig, getMosquittoSyncStatus } from '@/lib/mosquitto-sync';
+
+/**
+ * GET /api/mqtt/sync
+ * Hole den aktuellen Sync Status
+ */
+export async function GET() {
+  try {
+    const session = await auth();
+    if (!session?.user || (session.user as any).role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+
+    const status = getMosquittoSyncStatus();
+    return NextResponse.json(status || { pending_changes: 0, last_sync_status: 'unknown' });
+  } catch (error) {
+    console.error('Failed to fetch sync status:', error);
+    return NextResponse.json(
+      { error: 'Failed to fetch sync status' },
+      { status: 500 }
+    );
+  }
+}
+
+/**
+ * POST /api/mqtt/sync
+ * Trigger Mosquitto Configuration Sync
+ */
+export async function POST() {
+  try {
+    const session = await auth();
+    if (!session?.user || (session.user as any).role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+
+    const result = await syncMosquittoConfig();
+    return NextResponse.json(result, {
+      status: result.success ? 200 : 500
+    });
+  } catch (error) {
+    console.error('Failed to sync Mosquitto config:', error);
+    return NextResponse.json(
+      { error: 'Failed to sync Mosquitto configuration' },
+      { status: 500 }
+    );
+  }
+}