Research Chat: Web-Chatoberfläche für den Research-Agent (DeepSeek v4 Flash + Playwright, Docker/Podman)

lib/config.js

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+const fs = require('fs');
+const path = require('path');
+const crypto = require('crypto');
+const webpush = require('web-push');
+
+const ENV_PATH = path.join(__dirname, '..', '.env');
+
+function loadEnv() {
+  const env = {};
+  if (fs.existsSync(ENV_PATH)) {
+    for (const line of fs.readFileSync(ENV_PATH, 'utf8').split('\n')) {
+      const m = line.match(/^\s*([A-Z0-9_]+)\s*=\s*(.*)\s*$/);
+      if (m && !line.trim().startsWith('#')) env[m[1]] = m[2].replace(/^["']|["']$/g, '');
+    }
+  }
+  return env;
+}
+
+function saveEnv(env) {
+  const lines = [];
+  for (const [k, v] of Object.entries(env)) lines.push(`${k}=${v}`);
+  fs.writeFileSync(ENV_PATH, lines.join('\n') + '\n', 'utf8');
+}
+
+function ensure(key, generator) {
+  if (process.env[key] || env[key]) return process.env[key] || env[key];
+  const value = generator();
+  env[key] = value;
+  saveEnv(env);
+  return value;
+}
+
+const env = loadEnv();
+
+function ensureVapidPair() {
+  if ((process.env.VAPID_PUBLIC_KEY || env.VAPID_PUBLIC_KEY) && (process.env.VAPID_PRIVATE_KEY || env.VAPID_PRIVATE_KEY)) {
+    return {
+      publicKey: process.env.VAPID_PUBLIC_KEY || env.VAPID_PUBLIC_KEY,
+      privateKey: process.env.VAPID_PRIVATE_KEY || env.VAPID_PRIVATE_KEY,
+    };
+  }
+  const pair = webpush.generateVAPIDKeys();
+  env.VAPID_PUBLIC_KEY = pair.publicKey;
+  env.VAPID_PRIVATE_KEY = pair.privateKey;
+  saveEnv(env);
+  return pair;
+}
+
+const vapid = ensureVapidPair();
+
+const config = {
+  port: Number(process.env.PORT || env.PORT || 3000),
+  apiKey: process.env.DEEPSEEK_API_KEY || env.DEEPSEEK_API_KEY || '',
+  appPassword: process.env.APP_PASSWORD || env.APP_PASSWORD || '',
+  model: process.env.MODEL || env.MODEL || 'deepseek-v4-flash',
+  thinking: process.env.THINKING || env.THINKING || 'enabled',
+  baseUrl: process.env.DEEPSEEK_BASE_URL || env.DEEPSEEK_BASE_URL || 'https://api.deepseek.com',
+  sessionSecret: ensure('SESSION_SECRET', () => crypto.randomBytes(32).toString('hex')),
+  vapidPublicKey: vapid.publicKey,
+  vapidPrivateKey: vapid.privateKey,
+};
+
+module.exports = { config };