59 lines
2.0 KiB
TypeScript
59 lines
2.0 KiB
TypeScript
/**
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* Auth API — validates album passwords and sets auth cookies.
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* POST /api/auth { slug, password }
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*/
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import { NextRequest, NextResponse } from 'next/server';
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import { authenticate, isProtected } from '@/lib/auth';
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import { checkRateLimit, getClientIp } from '@/lib/rate-limit';
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/** Tight limit for auth attempts — 10 per minute per IP. */
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const AUTH_RPM = 10;
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export async function POST(request: NextRequest) {
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// ── Rate limiting (brute-force protection) ──────────
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const ip = getClientIp(request);
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const { success } = checkRateLimit(`auth:${ip}`, AUTH_RPM);
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if (!success) {
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return NextResponse.json({ error: 'Too many attempts, try again later' }, { status: 429 });
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}
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try {
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const body = await request.json();
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const { slug, password, type = 'subpage' } = body;
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if (!slug || !password) {
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return NextResponse.json({ error: 'Missing slug or password' }, { status: 400 });
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}
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// 🛡️ SECURITY: Validate input types and limit length to prevent DoS attacks
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if (typeof slug !== 'string' || slug.length > 100) {
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return NextResponse.json({ error: 'Invalid slug format or length' }, { status: 400 });
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}
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if (typeof password !== 'string' || password.length > 100) {
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return NextResponse.json({ error: 'Invalid password format or length' }, { status: 400 });
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}
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if (type !== 'subpage' && type !== 'album') {
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return NextResponse.json({ error: 'Invalid type' }, { status: 400 });
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}
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if (!isProtected(slug, type)) {
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return NextResponse.json({
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error: `${type === 'subpage' ? 'Subpage' : 'Album'} is not password-protected`,
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}, { status: 400 });
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}
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const setCookie = authenticate(slug, password, type);
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if (!setCookie) {
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return NextResponse.json({ error: 'Invalid password' }, { status: 401 });
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}
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return NextResponse.json({ success: true }, { headers: { 'Set-Cookie': setCookie } });
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} catch {
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return NextResponse.json({ error: 'Invalid request body' }, { status: 400 });
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}
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}
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