Prototype owner-only administrator account management

app/api/admin/accounts/route.ts

@@ -0,0 +1,25 @@
+import { env } from 'cloudflare:workers';
+import { AdminError, requireAdmin } from '@/db/admin-access';
+import { applyAdminAccount, readAdminAccounts } from '@/db/admin-accounts';
+import { adminBody, adminFailure, adminResponse, adminToken } from '@/lib/admin-http';
+import { validAdminAccountInput } from '@/lib/admin-accounts';
+
+export async function GET(request: Request) {
+  try {
+    const identity = await requireAdmin(env.DB, adminToken(request), ['owner']);
+    const expected = request.headers.get('X-Dune-Admin-Id');
+    if (expected && expected !== identity.id) throw new AdminError('The signed-in administrator changed. Reload accounts.', 401);
+    return adminResponse(await readAdminAccounts(env.DB, identity, new URL(request.url).searchParams));
+  } catch (error) { return adminFailure(error); }
+}
+
+export async function POST(request: Request) {
+  try {
+    const body = await adminBody(request, env.DUNE_PUBLIC_ORIGIN);
+    const identity = await requireAdmin(env.DB, adminToken(request), ['owner']);
+    if (request.headers.get('X-Dune-Admin-Id') !== identity.id)
+      throw new AdminError('The signed-in administrator changed. Reload accounts.', 401);
+    if (!validAdminAccountInput(body)) throw new AdminError('Check the account details, operation identifier and operational reason.', 400);
+    return adminResponse(await applyAdminAccount(env.DB, identity, body));
+  } catch (error) { return adminFailure(error); }
+}