kdbxweb

import { Kdbx, Credentials, ProtectedValue, Consts, CryptoEngine } from 'kdbxweb'; // Dummy Argon2 implementation for KDBX4 support (required for real-world use) CryptoEngine.setArgon2Impl((password, salt, memory, iterations, length, parallelism, type, version) => { // In a real application, you'd use a robust Argon2 library here (e.g., argon2-browser). // This is a placeholder for demonstration purposes and will not actually hash. console.warn('Using dummy Argon2 implementation. Provide a real one for KDBX4 support.'); const dummyHash = new Uint8Array(length).fill(0xAA); return Promise.resolve(dummyHash); }); async function manageKeePassDatabase() { const masterPassword = ProtectedValue.fromString('mySuperSecretPassword'); const credentials = new Credentials(masterPassword); // 1. Create a new database console.log('Creating a new database...'); let newDb = Kdbx.create(credentials, 'My New KeePass Database'); newDb.setKdf(Consts.KdfId.Aes); // Set KDF to AES const defaultGroup = newDb.getDefaultGroup(); const subgroup = newDb.createGroup(defaultGroup, 'Web Logins'); const entry = newDb.createEntry(subgroup); entry.fields.Title = 'Example Website'; entry.fields.UserName = 'demo'; entry.fields.Password = ProtectedValue.fromString('demoPass123'); entry.fields.URL = 'https://example.com'; // 2. Save the new database const newDbBuffer = await newDb.save(); console.log(`New database saved. Size: ${newDbBuffer.byteLength} bytes`); // 3. Load the database back (simulating opening an existing file) console.log('Loading database from buffer...'); const loadedDb = await Kdbx.load(newDbBuffer, credentials); const loadedEntry = loadedDb.getDefaultGroup().groups[0].entries[0]; console.log(`Loaded entry title: ${loadedEntry.fields.Title}`); console.log(`Loaded entry username: ${loadedEntry.fields.UserName}`); console.log(`Loaded entry password: ${loadedEntry.fields.Password.getText()}`); // 4. Update credentials and save again console.log('Changing master password and saving...'); const newMasterPassword = ProtectedValue.fromString('evenMoreSecurePassword'); loadedDb.credentials.setPassword(newMasterPassword); const updatedDbBuffer = await loadedDb.save(); console.log(`Database updated and saved. New size: ${updatedDbBuffer.byteLength} bytes`); console.log('Database operations complete.'); } manageKeePassDatabase().catch(console.error);