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import { logger } from '@/lib/logging';
import { sendAccountLockedEmail } from '@/lib/integrations';
import { logAccountLocked } from '@/lib/audit-logger';
/**
* Account lockout configuration
*/
export const LOCKOUT_CONFIG = {
maxFailedAttempts: 5,
lockoutDurationMs: 15 * 60 * 1000, // 15 minutes
resetAttemptsAfterMs: 60 * 60 * 1000, // 1 hour
} as const;
/**
* Check if an account is currently locked
*/
export async function isAccountLocked(userId: number): Promise<boolean> {
const user = await prisma.user.findUnique({
where: { id: userId },
select: { lockedUntil: true }});
if (!user?.lockedUntil) {
return false;
}
// Check if lockout period has expired
if (new Date() > user.lockedUntil) {
// Unlock the account
await prisma.user.update({
where: { id: userId },
data: {
lockedUntil: null,
failedLoginAttempts: 0}});
return false;
}
return true;
}
/**
* Get remaining lockout time in seconds
*/
export async function getRemainingLockoutTime(
userId: number
): Promise<number | null> {
const user = await prisma.user.findUnique({
where: { id: userId },
select: { lockedUntil: true }});
if (!user?.lockedUntil) {
return null;
}
const remainingMs = user.lockedUntil.getTime() - Date.now();
if (remainingMs <= 0) {
return null;
}
return Math.ceil(remainingMs / 1000);
}
/**
* Record a failed login attempt
* Returns true if account is now locked
*/
export async function recordFailedLoginAttempt(
userId: number,
request?: Request
): Promise<boolean> {
const user = await prisma.user.findUnique({
where: { id: userId },
select: {
id: true,
email: true,
failedLoginAttempts: true,
updatedAt: true}});
if (!user) {
return false;
}
// Check if we should reset the counter (if enough time has passed)
const timeSinceLastAttempt = Date.now() - user.updatedAt.getTime();
let newAttemptCount = user.failedLoginAttempts + 1;
if (timeSinceLastAttempt > LOCKOUT_CONFIG.resetAttemptsAfterMs) {
newAttemptCount = 1;
}
const shouldLock = newAttemptCount >= LOCKOUT_CONFIG.maxFailedAttempts;
const lockedUntil = shouldLock
? new Date(Date.now() + LOCKOUT_CONFIG.lockoutDurationMs)
: null;
await prisma.user.update({
where: { id: userId },
data: {
failedLoginAttempts: newAttemptCount,
lockedUntil}});
if (shouldLock) {
logger.warn(`Account locked for user ${userId}`, {
category: "AUTH",
failedAttempts: newAttemptCount,
lockedUntil});
// Log the lockout event
if (request) {
await logAccountLocked(request, userId, newAttemptCount);
}
// Send notification email
try {
await sendAccountLockedEmail(user.email, lockedUntil!);
} catch (error) {
logger.error(
"Failed to send account locked email",
error instanceof Error ? error : new Error(String(error)),
{ category: "AUTH" }
);
}
}
return shouldLock;
}
/**
* Reset failed login attempts on successful login
*/
export async function resetFailedLoginAttempts(userId: number): Promise<void> {
await prisma.user.update({
where: { id: userId },
data: {
failedLoginAttempts: 0,
lockedUntil: null}});
}
/**
* Handle login attempt - call this during authentication
* Returns an object with the result
*/
export async function handleLoginAttempt(
email: string,
success: boolean,
request?: Request
): Promise<{
locked: boolean;
remainingAttempts: number;
lockedUntil: Date | null;
}> {
const user = await prisma.user.findUnique({
where: { email: email.toLowerCase() },
select: {
id: true,
failedLoginAttempts: true,
lockedUntil: true}});
if (!user) {
// User doesn't exist, return neutral response
return {
locked: false,
remainingAttempts: LOCKOUT_CONFIG.maxFailedAttempts,
lockedUntil: null};
}
// Check if already locked
if (await isAccountLocked(user.id)) {
return {
locked: true,
remainingAttempts: 0,
lockedUntil: user.lockedUntil};
}
if (success) {
// Reset on successful login
await resetFailedLoginAttempts(user.id);
return {
locked: false,
remainingAttempts: LOCKOUT_CONFIG.maxFailedAttempts,
lockedUntil: null};
}
// Record failed attempt
const nowLocked = await recordFailedLoginAttempt(user.id, request);
// Get updated user data
const updatedUser = await prisma.user.findUnique({
where: { id: user.id },
select: { failedLoginAttempts: true, lockedUntil: true }});
const remainingAttempts = Math.max(
0,
LOCKOUT_CONFIG.maxFailedAttempts - (updatedUser?.failedLoginAttempts || 0)
);
return {
locked: nowLocked,
remainingAttempts,
lockedUntil: updatedUser?.lockedUntil || null};
}
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