feat(admin): comprehensive admin interface (users, tunnels, metrics, audit, reserved subdomains)
Adds an authenticated admin surface gated by auth.users.app_metadata.role==='admin'. - lib/auth/admin-guard.ts: requireAdmin() (pages) + requireAdminApi() (routes) - middleware.ts: defense-in-depth /admin and /api/admin guarding - API: users (list/detail/role/ban/delete), tunnels (list + active/quota/reset/reassign/regenerate-token/delete), metrics, audit log, reserved subdomains - Self-lockout prevention (no self demote/ban/delete) - Best-effort Redis kill-switch via dependency-free net-socket client (REDIS_URL) - admin_audit_log + reserved_subdomains migration (RLS on, service-role only) - Admin UI (overview, users, tunnels, reserved, audit) + conditional nav link
This commit is contained in:
Gerhard Scheikl
@@ -0,0 +1,61 @@
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import { NextResponse, type NextRequest } from 'next/server';
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import { requireAdminApi } from '@/lib/auth/admin-guard';
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import { getSupabaseAdmin } from '@/lib/supabase/admin';
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import { logAdminAction } from '@/lib/auth/audit';
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import { isUuid, parseBoolean } from '@/lib/admin/validators';
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export const runtime = 'nodejs';
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export const dynamic = 'force-dynamic';
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// ~100 years.
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const BAN_DURATION = '876000h';
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export async function POST(
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req: NextRequest,
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{ params }: { params: { id: string } },
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) {
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const auth = await requireAdminApi();
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if (!auth.ok) return auth.response;
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const { id } = params;
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if (!isUuid(id)) {
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return NextResponse.json({ error: 'invalid user id' }, { status: 400 });
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}
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if (id === auth.user.id) {
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return NextResponse.json(
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{ error: 'you cannot ban your own account' },
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{ status: 400 },
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);
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}
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let body: { banned?: unknown };
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try {
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body = (await req.json()) as { banned?: unknown };
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} catch {
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return NextResponse.json({ error: 'invalid json' }, { status: 400 });
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}
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const banned = parseBoolean(body.banned);
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if (banned === null) {
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return NextResponse.json(
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{ error: 'banned must be a boolean' },
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{ status: 400 },
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);
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}
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const admin = getSupabaseAdmin();
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const { error } = await admin.auth.admin.updateUserById(id, {
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ban_duration: banned ? BAN_DURATION : 'none',
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} as { ban_duration: string });
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if (error) {
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return NextResponse.json({ error: error.message }, { status: 500 });
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}
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await logAdminAction(auth.user, {
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action: banned ? 'user.ban' : 'user.unban',
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target_type: 'user',
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target_id: id,
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details: { banned },
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});
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return NextResponse.json({ ok: true, banned });
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}
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@@ -0,0 +1,67 @@
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import { NextResponse, type NextRequest } from 'next/server';
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import { requireAdminApi } from '@/lib/auth/admin-guard';
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import { getSupabaseAdmin } from '@/lib/supabase/admin';
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import { logAdminAction } from '@/lib/auth/audit';
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import { isUuid } from '@/lib/admin/validators';
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export const runtime = 'nodejs';
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export const dynamic = 'force-dynamic';
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export async function POST(
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req: NextRequest,
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{ params }: { params: { id: string } },
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) {
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const auth = await requireAdminApi();
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if (!auth.ok) return auth.response;
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const { id } = params;
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if (!isUuid(id)) {
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return NextResponse.json({ error: 'invalid user id' }, { status: 400 });
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}
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if (id === auth.user.id) {
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return NextResponse.json(
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{ error: 'you cannot change your own role' },
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{ status: 400 },
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);
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}
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let body: { role?: unknown };
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try {
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body = (await req.json()) as { role?: unknown };
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} catch {
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return NextResponse.json({ error: 'invalid json' }, { status: 400 });
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}
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if (body.role !== 'admin' && body.role !== 'user') {
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return NextResponse.json(
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{ error: "role must be 'admin' or 'user'" },
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{ status: 400 },
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);
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}
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const role = body.role;
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const admin = getSupabaseAdmin();
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// Merge with existing app_metadata so we don't clobber other keys.
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const { data: existing, error: getErr } =
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await admin.auth.admin.getUserById(id);
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if (getErr || !existing.user) {
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return NextResponse.json({ error: 'user not found' }, { status: 404 });
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}
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const merged = { ...(existing.user.app_metadata ?? {}), role };
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const { error } = await admin.auth.admin.updateUserById(id, {
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app_metadata: merged,
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});
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if (error) {
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return NextResponse.json({ error: error.message }, { status: 500 });
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}
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await logAdminAction(auth.user, {
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action: 'user.role',
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target_type: 'user',
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target_id: id,
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details: { role },
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});
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return NextResponse.json({ ok: true, role });
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}
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@@ -0,0 +1,117 @@
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import { NextResponse, type NextRequest } from 'next/server';
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import { requireAdminApi } from '@/lib/auth/admin-guard';
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import { getSupabaseAdmin } from '@/lib/supabase/admin';
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import { logAdminAction } from '@/lib/auth/audit';
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import { isUuid } from '@/lib/admin/validators';
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export const runtime = 'nodejs';
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export const dynamic = 'force-dynamic';
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type TunnelRow = {
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user_id: string;
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subdomain: string;
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token: string;
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is_active: boolean;
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bytes_used: number;
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quota_bytes: number;
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last_seen_at: string | null;
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created_at: string;
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};
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export async function GET(
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_req: NextRequest,
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{ params }: { params: { id: string } },
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) {
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const auth = await requireAdminApi();
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if (!auth.ok) return auth.response;
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const { id } = params;
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if (!isUuid(id)) {
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return NextResponse.json({ error: 'invalid user id' }, { status: 400 });
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}
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const admin = getSupabaseAdmin();
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const { data: userRes, error: userErr } =
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await admin.auth.admin.getUserById(id);
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if (userErr || !userRes.user) {
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return NextResponse.json({ error: 'user not found' }, { status: 404 });
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}
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const u = userRes.user;
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const { data: tunnel } = await admin
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.from('tunnels')
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.select(
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'user_id, subdomain, token, is_active, bytes_used, quota_bytes, last_seen_at, created_at',
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)
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.eq('user_id', id)
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.maybeSingle<TunnelRow>();
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const { data: audit } = await admin
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.from('admin_audit_log')
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.select('id, actor_email, action, target_type, target_id, details, created_at')
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.eq('target_id', id)
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.order('created_at', { ascending: false })
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.limit(25);
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return NextResponse.json({
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user: {
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id: u.id,
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email: u.email ?? null,
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role: (u.app_metadata?.role as string | undefined) ?? 'user',
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banned_until:
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(u as unknown as { banned_until?: string | null }).banned_until ?? null,
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email_confirmed_at: u.email_confirmed_at ?? null,
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created_at: u.created_at,
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last_sign_in_at: u.last_sign_in_at ?? null,
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},
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tunnel: tunnel
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? {
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subdomain: tunnel.subdomain,
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is_active: tunnel.is_active,
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bytes_used: tunnel.bytes_used,
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quota_bytes: tunnel.quota_bytes,
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last_seen_at: tunnel.last_seen_at,
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created_at: tunnel.created_at,
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}
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: null,
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audit: audit ?? [],
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});
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}
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export async function DELETE(
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_req: NextRequest,
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{ params }: { params: { id: string } },
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) {
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const auth = await requireAdminApi();
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if (!auth.ok) return auth.response;
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const { id } = params;
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if (!isUuid(id)) {
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return NextResponse.json({ error: 'invalid user id' }, { status: 400 });
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}
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if (id === auth.user.id) {
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return NextResponse.json(
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{ error: 'you cannot delete your own account' },
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{ status: 400 },
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);
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}
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const admin = getSupabaseAdmin();
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// Remove the tunnel row first (FK to auth.users).
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await admin.from('tunnels').delete().eq('user_id', id);
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const { error } = await admin.auth.admin.deleteUser(id);
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if (error) {
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return NextResponse.json({ error: error.message }, { status: 500 });
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}
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await logAdminAction(auth.user, {
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action: 'user.delete',
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target_type: 'user',
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target_id: id,
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});
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return NextResponse.json({ ok: true });
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}
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@@ -0,0 +1,78 @@
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import { NextResponse, type NextRequest } from 'next/server';
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import { requireAdminApi } from '@/lib/auth/admin-guard';
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import { getSupabaseAdmin } from '@/lib/supabase/admin';
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import { parsePageParam, parsePerPageParam } from '@/lib/admin/validators';
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export const runtime = 'nodejs';
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export const dynamic = 'force-dynamic';
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type TunnelRow = {
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user_id: string;
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subdomain: string;
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is_active: boolean;
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bytes_used: number;
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quota_bytes: number;
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};
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export async function GET(req: NextRequest) {
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const auth = await requireAdminApi();
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if (!auth.ok) return auth.response;
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const url = new URL(req.url);
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const page = parsePageParam(url.searchParams.get('page'), 1);
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const perPage = parsePerPageParam(url.searchParams.get('perPage'), 25, 100);
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const search = (url.searchParams.get('search') ?? '').trim().toLowerCase();
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const admin = getSupabaseAdmin();
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const { data, error } = await admin.auth.admin.listUsers({ page, perPage });
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if (error) {
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return NextResponse.json({ error: error.message }, { status: 500 });
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}
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let users = data.users;
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const total = (data as unknown as { total?: number }).total ?? users.length;
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if (search) {
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users = users.filter((u) =>
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(u.email ?? '').toLowerCase().includes(search),
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);
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}
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// Join tunnel rows for this page's users in a single query.
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const ids = users.map((u) => u.id);
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const tunnelMap = new Map<string, TunnelRow>();
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if (ids.length > 0) {
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const { data: tunnels } = await admin
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.from('tunnels')
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.select('user_id, subdomain, is_active, bytes_used, quota_bytes')
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.in('user_id', ids);
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for (const t of (tunnels ?? []) as TunnelRow[]) {
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tunnelMap.set(t.user_id, t);
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}
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}
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const result = users.map((u) => {
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const t = tunnelMap.get(u.id) ?? null;
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return {
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id: u.id,
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email: u.email ?? null,
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role: (u.app_metadata?.role as string | undefined) ?? 'user',
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banned_until: (u as unknown as { banned_until?: string | null })
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.banned_until ?? null,
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email_confirmed_at: u.email_confirmed_at ?? null,
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created_at: u.created_at,
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last_sign_in_at: u.last_sign_in_at ?? null,
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tunnel: t
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? {
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subdomain: t.subdomain,
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is_active: t.is_active,
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bytes_used: t.bytes_used,
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quota_bytes: t.quota_bytes,
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}
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: null,
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};
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});
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return NextResponse.json({ users: result, total, page, perPage });
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}
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Block a user