70 lines
2.6 KiB
TypeScript
70 lines
2.6 KiB
TypeScript
import { createHash, randomBytes } from 'node:crypto';
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import { and, eq, gt, lte, sql } from 'drizzle-orm';
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import { accounts, recoveryLinks, users } from '~~/drizzle/schema';
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import { db } from '~~/server/lib/db';
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export const RECOVERY_LINK_LIFETIME_MS = 24 * 60 * 60 * 1000;
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// a new person may take a while to get round to it
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export const SETUP_LINK_LIFETIME_MS = 7 * 24 * 60 * 60 * 1000;
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/**
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* An account an admin created has no password until its owner sets one with
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* a setup link. Until then nobody can sign in to it.
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*/
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export const hasPassword = async (userId: string): Promise<boolean> => {
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const rows = await db
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.select({ id: accounts.id })
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.from(accounts)
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.where(and(eq(accounts.userId, userId), eq(accounts.providerId, 'credential')))
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.limit(1);
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return rows.length > 0;
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};
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// scripts/recover.ts makes links the same way, keep the two in step
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export const hashRecoveryToken = (token: string) => createHash('sha256').update(token).digest('hex');
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/**
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* Makes a one-time link a user can set a password with and returns its token:
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* a recovery link for someone who forgot theirs, a setup link for an account
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* that never had one. Only one link works at a time, making a new one cancels
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* the ones before it.
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*/
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export const createRecoveryLink = async (userId: string, resetSecurity: boolean) => {
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const token = randomBytes(32).toString('base64url');
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const lifetime = await hasPassword(userId) ? RECOVERY_LINK_LIFETIME_MS : SETUP_LINK_LIFETIME_MS;
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const expiresAt = new Date(Date.now() + lifetime);
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await db.transaction(async (tx) => {
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await tx.delete(recoveryLinks).where(eq(recoveryLinks.userId, userId));
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await tx.delete(recoveryLinks).where(lte(recoveryLinks.expiresAt, new Date()));
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await tx.insert(recoveryLinks).values({
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tokenHash: hashRecoveryToken(token),
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userId,
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resetSecurity,
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expiresAt,
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});
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});
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return { token, expiresAt };
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};
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export const findRecoveryLink = async (token: string) => {
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const rows = await db
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.select({
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id: recoveryLinks.id,
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userId: recoveryLinks.userId,
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resetSecurity: recoveryLinks.resetSecurity,
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expiresAt: recoveryLinks.expiresAt,
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email: users.email,
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name: users.name,
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twoFactorEnabled: users.twoFactorEnabled,
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})
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.from(recoveryLinks)
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.innerJoin(users, eq(users.id, recoveryLinks.userId))
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.where(and(eq(recoveryLinks.tokenHash, hashRecoveryToken(token)), gt(recoveryLinks.expiresAt, new Date())))
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.limit(1);
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return rows[0] ?? null;
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};
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