Add session-based authentication with login/logout

- Users and sessions tables (Argon2 password hashing, SHA-256 session tokens)
- Server hooks validate session cookie on every request
- (app) routes redirect to /login if not authenticated
- Login page with email/password, styled matching budget app
- Logout via POST form action (invalidates session)
- User display name and sign out button in header
- create-user CLI script: npm run create-user <email> <password> [name]
- 30-day sessions with auto-refresh after 15 days

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-04-07 10:21:06 +07:00
parent cc4d8480cf
commit 04ca0a8299
14 changed files with 1232 additions and 3 deletions
+4 -1
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@@ -2,7 +2,10 @@
declare global {
namespace App {
interface Locals {}
interface Locals {
user: { id: string; email: string; displayName: string | null } | null;
session: { id: string; userId: string; expiresAt: Date; fresh: boolean } | null;
}
interface PageData {}
interface Platform {}
}
+29
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@@ -0,0 +1,29 @@
import type { Handle } from '@sveltejs/kit';
import { validateSession, setSessionCookie, deleteSessionCookie } from '$lib/server/auth/index.js';
export const handle: Handle = async ({ event, resolve }) => {
const token = event.cookies.get('session');
if (token) {
const { session, user } = await validateSession(token);
if (session && user) {
event.locals.user = user;
event.locals.session = session;
// Refresh cookie if session was extended
if (session.fresh) {
setSessionCookie(event, token, session.expiresAt);
}
} else {
event.locals.user = null;
event.locals.session = null;
deleteSessionCookie(event);
}
} else {
event.locals.user = null;
event.locals.session = null;
}
return resolve(event);
};
+108
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@@ -0,0 +1,108 @@
import { sha256 } from '@oslojs/crypto/sha2';
import { encodeBase32LowerCaseNoPadding, encodeHexLowerCase } from '@oslojs/encoding';
import { db } from '$lib/server/db/index.js';
import { sessions, users } from '$lib/server/db/schema.js';
import { eq } from 'drizzle-orm';
import type { RequestEvent } from '@sveltejs/kit';
const SESSION_DURATION_MS = 30 * 24 * 60 * 60 * 1000; // 30 days
const SESSION_REFRESH_MS = 15 * 24 * 60 * 60 * 1000; // 15 days
export function generateSessionToken(): string {
const bytes = new Uint8Array(20);
crypto.getRandomValues(bytes);
return encodeBase32LowerCaseNoPadding(bytes);
}
export function generateUserId(): string {
const bytes = new Uint8Array(15);
crypto.getRandomValues(bytes);
return encodeBase32LowerCaseNoPadding(bytes);
}
function hashToken(token: string): string {
const encoded = new TextEncoder().encode(token);
return encodeHexLowerCase(sha256(encoded));
}
export async function createSession(token: string, userId: string) {
const id = hashToken(token);
const expiresAt = new Date(Date.now() + SESSION_DURATION_MS);
await db.insert(sessions).values({ id, userId, expiresAt });
return { id, userId, expiresAt, fresh: false };
}
export async function validateSession(token: string) {
const id = hashToken(token);
const [result] = await db
.select({
sessionId: sessions.id,
userId: sessions.userId,
expiresAt: sessions.expiresAt,
userEmail: users.email,
userDisplayName: users.displayName
})
.from(sessions)
.innerJoin(users, eq(sessions.userId, users.id))
.where(eq(sessions.id, id));
if (!result) return { session: null, user: null };
if (result.expiresAt < new Date()) {
await db.delete(sessions).where(eq(sessions.id, id));
return { session: null, user: null };
}
const session = {
id: result.sessionId,
userId: result.userId,
expiresAt: result.expiresAt,
fresh: false
};
// Refresh if older than 15 days
if (Date.now() - (result.expiresAt.getTime() - SESSION_DURATION_MS) > SESSION_REFRESH_MS) {
session.expiresAt = new Date(Date.now() + SESSION_DURATION_MS);
session.fresh = true;
await db
.update(sessions)
.set({ expiresAt: session.expiresAt })
.where(eq(sessions.id, id));
}
const user = {
id: result.userId,
email: result.userEmail,
displayName: result.userDisplayName
};
return { session, user };
}
export async function invalidateSession(token: string) {
const id = hashToken(token);
await db.delete(sessions).where(eq(sessions.id, id));
}
export function setSessionCookie(event: RequestEvent, token: string, expiresAt: Date) {
event.cookies.set('session', token, {
httpOnly: true,
sameSite: 'lax',
secure: event.url.protocol === 'https:',
path: '/',
expires: expiresAt
});
}
export function deleteSessionCookie(event: RequestEvent) {
event.cookies.set('session', '', {
httpOnly: true,
sameSite: 'lax',
secure: event.url.protocol === 'https:',
path: '/',
maxAge: 0
});
}
+16
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@@ -0,0 +1,16 @@
import { hash, verify } from '@node-rs/argon2';
const ARGON2_OPTIONS = {
memoryCost: 19456,
timeCost: 2,
outputLen: 32,
parallelism: 1
};
export async function hashPassword(password: string): Promise<string> {
return hash(password, ARGON2_OPTIONS);
}
export async function verifyPassword(passwordHash: string, password: string): Promise<boolean> {
return verify(passwordHash, password, ARGON2_OPTIONS);
}
+19
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@@ -10,6 +10,25 @@ import {
} from 'drizzle-orm/pg-core';
import { sql } from 'drizzle-orm';
// ─── Users & Sessions ──────────────────────────────────────────────
export const users = pgTable('users', {
id: text('id').primaryKey(),
email: text('email').unique().notNull(),
displayName: text('display_name'),
passwordHash: text('password_hash').notNull(),
createdAt: timestamp('created_at', { withTimezone: true }).defaultNow().notNull(),
updatedAt: timestamp('updated_at', { withTimezone: true }).defaultNow().notNull()
});
export const sessions = pgTable('sessions', {
id: text('id').primaryKey(), // SHA-256 hash of the session token
userId: text('user_id')
.notNull()
.references(() => users.id, { onDelete: 'cascade' }),
expiresAt: timestamp('expires_at', { withTimezone: true }).notNull()
});
// ─── Locations ──────────────────────────────────────────────────────
export const locations = pgTable('locations', {
+7 -1
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@@ -1,9 +1,14 @@
import type { LayoutServerLoad } from './$types';
import { redirect } from '@sveltejs/kit';
import { db } from '$lib/server/db/index.js';
import { devices, components } from '$lib/server/db/schema.js';
import { count, eq, or, and } from 'drizzle-orm';
export const load: LayoutServerLoad = async () => {
export const load: LayoutServerLoad = async ({ locals }) => {
if (!locals.user) {
redirect(302, '/login');
}
const [deviceCount] = await db.select({ value: count() }).from(devices).where(eq(devices.disabled, false));
const [componentCount] = await db.select({ value: count() }).from(components);
const [repairCount] = await db
@@ -12,6 +17,7 @@ export const load: LayoutServerLoad = async () => {
.where(and(eq(devices.disabled, false), or(eq(devices.condition, 'In Repair'), eq(devices.condition, 'Waiting for Repair'))));
return {
user: locals.user,
counts: {
devices: deviceCount?.value ?? 0,
components: componentCount?.value ?? 0,
+9
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@@ -37,6 +37,15 @@
<div class="ml-auto flex items-center gap-3">
<ThemeToggle />
<span class="text-sm text-gray-700 dark:text-gray-300">{data.user.displayName ?? data.user.email}</span>
<form method="POST" action="/logout">
<button
type="submit"
class="rounded-md px-3 py-1.5 text-sm text-gray-600 hover:bg-gray-100 dark:text-gray-400 dark:hover:bg-gray-700"
>
Sign Out
</button>
</form>
</div>
</header>
+13
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@@ -0,0 +1,13 @@
<script lang="ts">
import '../../app.css';
import ThemeToggle from '$lib/components/layout/ThemeToggle.svelte';
let { children } = $props();
</script>
<div class="flex min-h-screen items-center justify-center bg-gray-50 dark:bg-gray-900">
<div class="absolute top-4 right-4">
<ThemeToggle />
</div>
{@render children()}
</div>
+49
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@@ -0,0 +1,49 @@
import type { PageServerLoad, Actions } from './$types';
import { fail, redirect } from '@sveltejs/kit';
import { db } from '$lib/server/db/index.js';
import { users } from '$lib/server/db/schema.js';
import { eq } from 'drizzle-orm';
import { verifyPassword } from '$lib/server/auth/password.js';
import {
generateSessionToken,
createSession,
setSessionCookie
} from '$lib/server/auth/index.js';
export const load: PageServerLoad = async ({ locals }) => {
if (locals.user) {
redirect(302, '/');
}
};
export const actions: Actions = {
default: async (event) => {
const formData = await event.request.formData();
const email = formData.get('email') as string;
const password = formData.get('password') as string;
if (!email || !password) {
return fail(400, { error: 'Email and password are required', email });
}
const [user] = await db
.select()
.from(users)
.where(eq(users.email, email.toLowerCase().trim()));
if (!user) {
return fail(400, { error: 'Invalid email or password', email });
}
const valid = await verifyPassword(user.passwordHash, password);
if (!valid) {
return fail(400, { error: 'Invalid email or password', email });
}
const token = generateSessionToken();
const session = await createSession(token, user.id);
setSessionCookie(event, token, session.expiresAt);
redirect(302, '/');
}
};
+55
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@@ -0,0 +1,55 @@
<script lang="ts">
import { enhance } from '$app/forms';
let { form } = $props();
</script>
<svelte:head>
<title>Sign In - B4L Repair</title>
</svelte:head>
<div class="w-full max-w-sm">
<div class="rounded-lg border border-gray-200 bg-white p-6 shadow-sm dark:border-gray-700 dark:bg-gray-800">
<h1 class="mb-6 text-center text-xl font-bold text-gray-900 dark:text-white">B4L Repair</h1>
{#if form?.error}
<div class="mb-4 rounded-md bg-red-50 p-3 text-sm text-red-700 dark:bg-red-900/30 dark:text-red-300">
{form.error}
</div>
{/if}
<form method="POST" use:enhance class="space-y-4">
<div>
<label for="email" class="mb-1 block text-sm font-medium text-gray-700 dark:text-gray-300">Email</label>
<input
type="email"
id="email"
name="email"
required
autocomplete="email"
value={form?.email ?? ''}
class="w-full rounded-md border border-gray-300 px-3 py-2 text-sm focus:border-blue-500 focus:ring-1 focus:ring-blue-500 focus:outline-none dark:border-gray-600 dark:bg-gray-700 dark:text-white dark:placeholder-gray-400"
/>
</div>
<div>
<label for="password" class="mb-1 block text-sm font-medium text-gray-700 dark:text-gray-300">Password</label>
<input
type="password"
id="password"
name="password"
required
autocomplete="current-password"
class="w-full rounded-md border border-gray-300 px-3 py-2 text-sm focus:border-blue-500 focus:ring-1 focus:ring-blue-500 focus:outline-none dark:border-gray-600 dark:bg-gray-700 dark:text-white dark:placeholder-gray-400"
/>
</div>
<button
type="submit"
class="w-full rounded-md bg-blue-600 px-4 py-2 text-sm font-medium text-white hover:bg-blue-700"
>
Sign In
</button>
</form>
</div>
</div>
+18
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@@ -0,0 +1,18 @@
import type { PageServerLoad, Actions } from './$types';
import { redirect } from '@sveltejs/kit';
import { invalidateSession, deleteSessionCookie } from '$lib/server/auth/index.js';
export const load: PageServerLoad = async () => {
redirect(302, '/login');
};
export const actions: Actions = {
default: async (event) => {
const token = event.cookies.get('session');
if (token) {
await invalidateSession(token);
}
deleteSessionCookie(event);
redirect(302, '/login');
}
};