refactor(auth): throw-pattern for auth.cts (login, TOTP, WebAuthn flows)

Standards-unification batch 4a. Login, TOTP challenge/setup/enable/disable,
change-password, and all five WebAuthn handlers converted: inline
standardizeError bodies -> ApiError factory throws; try/catch-500 wrappers
removed (Express 5 forwards async rejections; terminal handler logs + masks).
Audit logging on failure paths unchanged. AUTH_ERROR/FORBIDDEN codes and
field hints preserved (change-password current_password 401, TOTP code 401).

Server suite 252/252.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
null 2026-07-10 17:06:08 -05:00
parent c0c3c2f347
commit d0ab375f9a
2 changed files with 201 additions and 319 deletions

View File

@ -1,7 +1,6 @@
// @ts-nocheck — route controller converted to .cts; handler req/res typed, full type-check deferred (thin glue over typed services).
import type { Req, Res, Next } from '../types/http';
const express = require('express');
const { log } = require('../utils/logger.cts');
const router = express.Router();
let _appVersion;
@ -33,8 +32,13 @@ const { decryptSecret } = require('../services/encryptionService.cts');
const { getCsrfToken } = require('../middleware/csrf.cts');
const { requireAuth } = require('../middleware/requireAuth.cts');
const { getPublicOidcInfo } = require('../services/oidcService.cts');
const { ValidationError, formatError } = require('../utils/apiError.cts');
const { standardizeError } = require('../middleware/errorFormatter.cts');
const {
ApiError,
ValidationError,
AuthError,
ForbiddenError,
NotFoundError,
} = require('../utils/apiError.cts');
const { passwordLimiter } = require('../middleware/rateLimiter.cts');
const { logAudit } = require('../services/auditService.cts');
@ -54,75 +58,58 @@ router.post(
async (req: Req, res: Res) => {
// Respect admin-configured login method toggle
if (getSetting('local_login_enabled') === 'false') {
return res
.status(403)
.json(
standardizeError(
'Local username/password login is not enabled on this server.',
'FORBIDDEN',
),
);
throw ForbiddenError('Local username/password login is not enabled on this server.');
}
const { username, password } = req.body;
if (!username || !password) {
return res
.status(400)
.json(
standardizeError(
'Username and password are required',
'VALIDATION_ERROR',
!username ? 'username' : 'password',
),
);
throw ValidationError(
'Username and password are required',
!username ? 'username' : 'password',
);
}
try {
const result = await login(username, password);
if (!result || result.error) {
logAudit({
user_id: null,
action: 'login.failure',
details: { username },
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
// Track failed attempt against known accounts (wrong password only — not unknown usernames)
if (result?.error === 'bad_password') {
recordFailedLogin(result.userId, req.ip, req.get('user-agent'));
}
return res.status(401).json(standardizeError('Invalid username or password', 'AUTH_ERROR'));
}
// TOTP required — don't create a session yet
if (result.requires_totp) {
return res.json({ requires_totp: true, challenge_token: result.challenge_token });
}
// WebAuthn required — same two-step shape as TOTP; the session is only
// created after POST /webauthn/challenge verifies the key.
if (result.requires_webauthn) {
return res.json({
requires_webauthn: true,
challenge_token: result.challenge_token,
webauthn_options: result.webauthn_options,
});
}
const result = await login(username, password);
if (!result || result.error) {
logAudit({
user_id: result.user.id,
action: 'login.success',
user_id: null,
action: 'login.failure',
details: { username },
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
recordLogin(result.user.id, req.ip, req.get('user-agent'), result.sessionId);
res.cookie(COOKIE_NAME, result.sessionId, cookieOpts(req));
res.json({ user: result.user });
} catch (err) {
log.error('Login error:', err);
res.status(500).json(standardizeError('Login failed', 'SERVER_ERROR'));
// Track failed attempt against known accounts (wrong password only — not unknown usernames)
if (result?.error === 'bad_password') {
recordFailedLogin(result.userId, req.ip, req.get('user-agent'));
}
throw AuthError('Invalid username or password');
}
// TOTP required — don't create a session yet
if (result.requires_totp) {
return res.json({ requires_totp: true, challenge_token: result.challenge_token });
}
// WebAuthn required — same two-step shape as TOTP; the session is only
// created after POST /webauthn/challenge verifies the key.
if (result.requires_webauthn) {
return res.json({
requires_webauthn: true,
challenge_token: result.challenge_token,
webauthn_options: result.webauthn_options,
});
}
logAudit({
user_id: result.user.id,
action: 'login.success',
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
recordLogin(result.user.id, req.ip, req.get('user-agent'), result.sessionId);
res.cookie(COOKIE_NAME, result.sessionId, cookieOpts(req));
res.json({ user: result.user });
},
);
@ -266,20 +253,14 @@ const { encryptSecret: encTotpSecret } = require('../services/encryptionService.
router.post('/totp/challenge', async (req: Req, res: Res) => {
req.csrfSkip = true;
const { challenge_token, code, recovery_code } = req.body || {};
if (!challenge_token)
return res
.status(400)
.json(standardizeError('challenge_token is required', 'VALIDATION_ERROR'));
if (!challenge_token) throw ValidationError('challenge_token is required');
const db = getDb();
const userId = consumeChallenge(db, challenge_token);
if (!userId)
return res
.status(401)
.json(standardizeError('Challenge expired or invalid. Please sign in again.', 'AUTH_ERROR'));
if (!userId) throw AuthError('Challenge expired or invalid. Please sign in again.');
const user = db.prepare('SELECT * FROM users WHERE id = ? AND active = 1').get(userId);
if (!user) return res.status(401).json(standardizeError('User not found.', 'AUTH_ERROR'));
if (!user) throw AuthError('User not found.');
let verified = false;
if (recovery_code) {
@ -299,70 +280,42 @@ router.post('/totp/challenge', async (req: Req, res: Res) => {
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
return res.status(401).json(standardizeError('Invalid authenticator code.', 'AUTH_ERROR'));
throw AuthError('Invalid authenticator code.');
}
try {
const { createSession } = require('../services/authService.cts');
const session = await createSession(userId);
if (!session)
return res.status(500).json(standardizeError('Failed to create session', 'SERVER_ERROR'));
const { createSession } = require('../services/authService.cts');
const session = await createSession(userId);
if (!session) throw new ApiError('SERVER_ERROR', 'Failed to create session', 500);
logAudit({
user_id: userId,
action: 'login.success',
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
recordLogin(userId, req.ip, req.get('user-agent'), session.sessionId);
logAudit({
user_id: userId,
action: 'login.success',
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
recordLogin(userId, req.ip, req.get('user-agent'), session.sessionId);
res.cookie(COOKIE_NAME, session.sessionId, cookieOpts(req));
res.json({ user: session.user });
} catch (err) {
log.error('[totp/challenge]', err);
res.status(500).json(standardizeError('Login failed', 'SERVER_ERROR'));
}
res.cookie(COOKIE_NAME, session.sessionId, cookieOpts(req));
res.json({ user: session.user });
});
// GET /api/auth/totp/setup — generate a new pending secret + QR code for the authenticated user.
// The secret is NOT saved yet; the user must confirm a valid code via /totp/enable.
router.get('/totp/setup', requireAuth, async (req: Req, res: Res) => {
if (req.singleUserMode)
return res
.status(400)
.json(standardizeError('TOTP is not available in single-user mode.', 'VALIDATION_ERROR'));
try {
const secret = generateSecret();
const user = getDb().prepare('SELECT username FROM users WHERE id = ?').get(req.user.id);
const { uri, qr_data_url } = await generateQrCode(secret, user.username);
res.json({ secret, uri, qr_data_url });
} catch (err) {
log.error('[totp/setup]', err);
res.status(500).json(standardizeError('Failed to generate setup data', 'SERVER_ERROR'));
}
if (req.singleUserMode) throw ValidationError('TOTP is not available in single-user mode.');
const secret = generateSecret();
const user = getDb().prepare('SELECT username FROM users WHERE id = ?').get(req.user.id);
const { uri, qr_data_url } = await generateQrCode(secret, user.username);
res.json({ secret, uri, qr_data_url });
});
// POST /api/auth/totp/enable — verify a code against the submitted secret, then enable TOTP.
router.post('/totp/enable', requireAuth, (req: Req, res: Res) => {
if (req.singleUserMode)
return res
.status(400)
.json(standardizeError('TOTP is not available in single-user mode.', 'VALIDATION_ERROR'));
if (req.singleUserMode) throw ValidationError('TOTP is not available in single-user mode.');
const { secret, code } = req.body || {};
if (!secret || !code)
return res
.status(400)
.json(standardizeError('secret and code are required', 'VALIDATION_ERROR'));
if (!secret || !code) throw ValidationError('secret and code are required');
if (!verifyTokenRaw(secret, code))
return res
.status(400)
.json(
standardizeError(
'Invalid authenticator code. Check your app and try again.',
'VALIDATION_ERROR',
'code',
),
);
throw ValidationError('Invalid authenticator code. Check your app and try again.', 'code');
const plainCodes = generateRecoveryCodes();
const hashedCodes = plainCodes.map(hashRecoveryCode);
@ -388,8 +341,7 @@ router.post('/totp/disable', requireAuth, (req: Req, res: Res) => {
const { code, recovery_code } = req.body || {};
const db = getDb();
const user = db.prepare('SELECT * FROM users WHERE id = ?').get(req.user.id);
if (!user?.totp_enabled)
return res.status(400).json(standardizeError('TOTP is not enabled.', 'VALIDATION_ERROR'));
if (!user?.totp_enabled) throw ValidationError('TOTP is not enabled.');
let verified = false;
if (recovery_code) {
@ -398,9 +350,7 @@ router.post('/totp/disable', requireAuth, (req: Req, res: Res) => {
verified = verifyToken(user.totp_secret, code);
}
if (!verified)
return res
.status(401)
.json(standardizeError('Invalid authenticator code.', 'AUTH_ERROR', 'code'));
throw new ApiError('AUTH_ERROR', 'Invalid authenticator code.', 401, { field: 'code' });
db.prepare(
`UPDATE users SET totp_enabled=0, totp_secret=NULL, totp_recovery_codes=NULL, updated_at=datetime('now') WHERE id=?`,
@ -452,9 +402,7 @@ router.get('/mode', (req: Req, res: Res) => {
// login without needing access to Admin routes.
router.post('/restore-multi-user-mode', requireAuth, (req: Req, res: Res) => {
if (!req.singleUserMode && getSetting('auth_mode') !== 'single') {
return res
.status(400)
.json(standardizeError('Single-user mode is not enabled.', 'VALIDATION_ERROR', 'auth_mode'));
throw ValidationError('Single-user mode is not enabled.', 'auth_mode');
}
setSetting('auth_mode', 'multi');
@ -479,62 +427,47 @@ router.post('/change-password', passwordLimiter, requireAuth, async (req: Req, r
const { current_password, new_password } = req.body;
if (!new_password || new_password.length < 8) {
return res
.status(400)
.json(
standardizeError(
'New password must be at least 8 characters',
'VALIDATION_ERROR',
'new_password',
),
);
throw ValidationError('New password must be at least 8 characters', 'new_password');
}
const db = getDb();
const user = db.prepare('SELECT * FROM users WHERE id = ?').get(req.user.id);
try {
if (!user.must_change_password) {
const bcrypt = require('bcryptjs');
const valid = await bcrypt.compare(current_password || '', user.password_hash);
if (!valid)
return res
.status(401)
.json(
standardizeError('Current password is incorrect', 'AUTH_ERROR', 'current_password'),
);
}
const hash = await hashPassword(new_password);
db.prepare(
"UPDATE users SET password_hash = ?, must_change_password = 0, last_password_change_at = datetime('now'), updated_at = datetime('now') WHERE id = ?",
).run(hash, req.user.id);
// Invalidate all other sessions for this user
const currentSessionId = req.cookies?.[COOKIE_NAME];
if (currentSessionId) {
invalidateOtherSessions(req.user.id, currentSessionId);
// Rotate the current session ID for security
const newSessionId = rotateSessionId(currentSessionId, req.user.id);
if (newSessionId) {
res.cookie(COOKIE_NAME, newSessionId, cookieOpts(req));
}
}
logAudit({
user_id: req.user.id,
action: 'password.change',
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
res.json({ success: true });
} catch (err) {
log.error('[auth] change-password error:', err.message);
res.status(500).json(standardizeError('Password change failed', 'SERVER_ERROR'));
if (!user.must_change_password) {
const bcrypt = require('bcryptjs');
const valid = await bcrypt.compare(current_password || '', user.password_hash);
if (!valid)
throw new ApiError('AUTH_ERROR', 'Current password is incorrect', 401, {
field: 'current_password',
});
}
const hash = await hashPassword(new_password);
db.prepare(
"UPDATE users SET password_hash = ?, must_change_password = 0, last_password_change_at = datetime('now'), updated_at = datetime('now') WHERE id = ?",
).run(hash, req.user.id);
// Invalidate all other sessions for this user
const currentSessionId = req.cookies?.[COOKIE_NAME];
if (currentSessionId) {
invalidateOtherSessions(req.user.id, currentSessionId);
// Rotate the current session ID for security
const newSessionId = rotateSessionId(currentSessionId, req.user.id);
if (newSessionId) {
res.cookie(COOKIE_NAME, newSessionId, cookieOpts(req));
}
}
logAudit({
user_id: req.user.id,
action: 'password.change',
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
res.json({ success: true });
});
// ── WebAuthn / FIDO2 security key ─────────────────────────────────────────────
@ -568,138 +501,96 @@ router.get('/webauthn/credentials', requireAuth, (req: Req, res: Res) => {
// GET /api/auth/webauthn/setup — begin registration
router.get('/webauthn/setup', requireAuth, async (req: Req, res: Res) => {
if (req.singleUserMode)
return res
.status(400)
.json(standardizeError('WebAuthn is not available in single-user mode.', 'VALIDATION_ERROR'));
try {
const { options, challengeId } = await createRegistrationChallenge(
getDb(),
req.user.id,
req.user.username,
);
res.json({ options, challengeId });
} catch (err) {
log.error('[webauthn/setup]', err);
res.status(500).json(standardizeError('Failed to generate setup options', 'SERVER_ERROR'));
}
if (req.singleUserMode) throw ValidationError('WebAuthn is not available in single-user mode.');
const { options, challengeId } = await createRegistrationChallenge(
getDb(),
req.user.id,
req.user.username,
);
res.json({ options, challengeId });
});
// POST /api/auth/webauthn/enable — complete registration
router.post('/webauthn/enable', requireAuth, async (req: Req, res: Res) => {
if (req.singleUserMode)
return res
.status(400)
.json(standardizeError('WebAuthn is not available in single-user mode.', 'VALIDATION_ERROR'));
if (req.singleUserMode) throw ValidationError('WebAuthn is not available in single-user mode.');
const { challengeId, response, credential_name } = req.body || {};
if (!challengeId || !response)
return res
.status(400)
.json(standardizeError('challengeId and response are required', 'VALIDATION_ERROR'));
if (!challengeId || !response) throw ValidationError('challengeId and response are required');
try {
const db = getDb();
const result = await verifyRegistration(
db,
req.user.id,
challengeId,
response,
credential_name,
);
if (!result.verified)
return res
.status(400)
.json(standardizeError(result.error || 'Registration failed', 'VALIDATION_ERROR'));
const db = getDb();
const result = await verifyRegistration(db, req.user.id, challengeId, response, credential_name);
if (!result.verified) throw ValidationError(result.error || 'Registration failed');
db.prepare(
"UPDATE users SET webauthn_enabled = 1, updated_at = datetime('now') WHERE id = ?",
).run(req.user.id);
db.prepare(
"UPDATE users SET webauthn_enabled = 1, updated_at = datetime('now') WHERE id = ?",
).run(req.user.id);
logAudit({
user_id: req.user.id,
action: 'webauthn.credential_added',
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
res.json({ enabled: true, credential_id: result.credentialId });
} catch (err) {
log.error('[webauthn/enable]', err);
res.status(500).json(standardizeError('Registration failed', 'SERVER_ERROR'));
}
logAudit({
user_id: req.user.id,
action: 'webauthn.credential_added',
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
res.json({ enabled: true, credential_id: result.credentialId });
});
// DELETE /api/auth/webauthn/credentials/:credentialId — remove one key
router.delete('/webauthn/credentials/:credentialId', requireAuth, async (req: Req, res: Res) => {
const { password } = req.body || {};
if (!password)
return res.status(400).json(standardizeError('password is required', 'VALIDATION_ERROR'));
if (!password) throw ValidationError('password is required');
const db = getDb();
const user = db.prepare('SELECT password_hash FROM users WHERE id = ?').get(req.user.id);
try {
const bcrypt = require('bcryptjs');
if (!(await bcrypt.compare(password, user.password_hash)))
return res.status(401).json(standardizeError('Password is incorrect', 'AUTH_ERROR'));
const bcrypt = require('bcryptjs');
if (!(await bcrypt.compare(password, user.password_hash)))
throw AuthError('Password is incorrect');
const result = deleteCredential(db, req.params.credentialId, req.user.id);
if (result.changes === 0)
return res.status(404).json(standardizeError('Credential not found', 'NOT_FOUND'));
const result = deleteCredential(db, req.params.credentialId, req.user.id);
if (result.changes === 0) throw NotFoundError('Credential not found');
const { n } = db
.prepare('SELECT COUNT(*) AS n FROM webauthn_credentials WHERE user_id = ?')
.get(req.user.id);
if (n === 0)
db.prepare(
"UPDATE users SET webauthn_enabled = 0, updated_at = datetime('now') WHERE id = ?",
).run(req.user.id);
const { n } = db
.prepare('SELECT COUNT(*) AS n FROM webauthn_credentials WHERE user_id = ?')
.get(req.user.id);
if (n === 0)
db.prepare(
"UPDATE users SET webauthn_enabled = 0, updated_at = datetime('now') WHERE id = ?",
).run(req.user.id);
logAudit({
user_id: req.user.id,
action: 'webauthn.credential_removed',
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
res.json({ success: true, webauthn_enabled: n > 0 });
} catch (err) {
log.error('[webauthn/credentials/delete]', err);
res.status(500).json(standardizeError('Failed to remove credential', 'SERVER_ERROR'));
}
logAudit({
user_id: req.user.id,
action: 'webauthn.credential_removed',
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
res.json({ success: true, webauthn_enabled: n > 0 });
});
// POST /api/auth/webauthn/disable — remove all keys, disable WebAuthn
router.post('/webauthn/disable', requireAuth, async (req: Req, res: Res) => {
const { password } = req.body || {};
if (!password)
return res.status(400).json(standardizeError('password is required', 'VALIDATION_ERROR'));
if (!password) throw ValidationError('password is required');
const db = getDb();
const user = db
.prepare('SELECT password_hash, webauthn_enabled FROM users WHERE id = ?')
.get(req.user.id);
if (!user?.webauthn_enabled)
return res.status(400).json(standardizeError('WebAuthn is not enabled.', 'VALIDATION_ERROR'));
if (!user?.webauthn_enabled) throw ValidationError('WebAuthn is not enabled.');
try {
const bcrypt = require('bcryptjs');
if (!(await bcrypt.compare(password, user.password_hash)))
return res.status(401).json(standardizeError('Password is incorrect', 'AUTH_ERROR'));
const bcrypt = require('bcryptjs');
if (!(await bcrypt.compare(password, user.password_hash)))
throw AuthError('Password is incorrect');
db.prepare('DELETE FROM webauthn_credentials WHERE user_id = ?').run(req.user.id);
db.prepare(
"UPDATE users SET webauthn_enabled = 0, updated_at = datetime('now') WHERE id = ?",
).run(req.user.id);
db.prepare('DELETE FROM webauthn_credentials WHERE user_id = ?').run(req.user.id);
db.prepare(
"UPDATE users SET webauthn_enabled = 0, updated_at = datetime('now') WHERE id = ?",
).run(req.user.id);
logAudit({
user_id: req.user.id,
action: 'webauthn.disabled',
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
res.json({ enabled: false });
} catch (err) {
log.error('[webauthn/disable]', err);
res.status(500).json(standardizeError('Failed to disable WebAuthn', 'SERVER_ERROR'));
}
logAudit({
user_id: req.user.id,
action: 'webauthn.disabled',
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
res.json({ enabled: false });
});
// POST /api/auth/webauthn/challenge — second step of login when WebAuthn is enabled.
@ -708,59 +599,41 @@ router.post('/webauthn/challenge', async (req: Req, res: Res) => {
req.csrfSkip = true;
const { challenge_token, response } = req.body || {};
if (!challenge_token || !response)
return res
.status(400)
.json(standardizeError('challenge_token and response are required', 'VALIDATION_ERROR'));
throw ValidationError('challenge_token and response are required');
const db = getDb();
const session = consumeLoginChallenge(db, challenge_token);
if (!session)
return res
.status(401)
.json(standardizeError('Challenge expired or invalid. Please sign in again.', 'AUTH_ERROR'));
if (!session) throw AuthError('Challenge expired or invalid. Please sign in again.');
const user = db.prepare('SELECT * FROM users WHERE id = ? AND active = 1').get(session.userId);
if (!user) return res.status(401).json(standardizeError('User not found.', 'AUTH_ERROR'));
try {
const result = await verifyAuthentication(
db,
session.userId,
session.authChallengeId,
response,
);
if (!result.verified) {
logAudit({
user_id: session.userId,
action: 'webauthn.failure',
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
return res
.status(401)
.json(standardizeError('Security key verification failed.', 'AUTH_ERROR'));
}
const { createSession } = require('../services/authService.cts');
const s = await createSession(session.userId);
if (!s)
return res.status(500).json(standardizeError('Failed to create session', 'SERVER_ERROR'));
if (!user) throw AuthError('User not found.');
const result = await verifyAuthentication(db, session.userId, session.authChallengeId, response);
if (!result.verified) {
logAudit({
user_id: session.userId,
action: 'login.success',
details: { method: 'webauthn' },
action: 'webauthn.failure',
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
recordLogin(session.userId, req.ip, req.get('user-agent'), s.sessionId);
res.cookie(COOKIE_NAME, s.sessionId, cookieOpts(req));
res.json({ user: s.user });
} catch (err) {
log.error('[webauthn/challenge]', err);
res.status(500).json(standardizeError('Login failed', 'SERVER_ERROR'));
throw AuthError('Security key verification failed.');
}
const { createSession } = require('../services/authService.cts');
const s = await createSession(session.userId);
if (!s) throw new ApiError('SERVER_ERROR', 'Failed to create session', 500);
logAudit({
user_id: session.userId,
action: 'login.success',
details: { method: 'webauthn' },
ip_address: req.ip,
user_agent: req.get('user-agent'),
});
recordLogin(session.userId, req.ip, req.get('user-agent'), s.sessionId);
res.cookie(COOKIE_NAME, s.sessionId, cookieOpts(req));
res.json({ user: s.user });
});
module.exports = router;

View File

@ -14,6 +14,7 @@ const dbPath = path.join(os.tmpdir(), `bill-tracker-webauthn-login-${process.pid
process.env.DB_PATH = dbPath;
const { getDb, closeDb } = require('../db/database.cts');
const { formatError } = require('../utils/apiError.cts');
const { hashPassword } = require('../services/authService.cts');
const router = require('../routes/auth.cts');
@ -50,7 +51,15 @@ function callLogin(body) {
resolve({ status: this.statusCode, body: data, cookies });
},
};
Promise.resolve(h(req, res)).catch(reject);
// Routes follow the throw-pattern: mirror the app's terminal error handler
// so thrown/rejected ApiErrors resolve to the same wire shape.
Promise.resolve(h(req, res)).catch((err) => {
if (err && (err.status || err.name === 'ApiError')) {
resolve({ status: err.status || 500, body: formatError(err), cookies });
} else {
reject(err);
}
});
});
}