add api route for querying user information

environment.d.ts

@@ -27,6 +27,7 @@ declare global {
       GITHUB_ORG: string;
 
       BASE_DOMAIN: string;
+      API_TOKEN?: string;
     }
   }
 }

src/app/api/user/[username]/route.ts

@@ -0,0 +1,41 @@
+import { NextRequest } from "next/server";
+import prisma from "@/prisma";
+import * as ldap from "@/ldap";
+
+export const dynamic = "force-dynamic";
+
+export async function GET(
+  request: NextRequest,
+  { params }: { params: { username: string } }
+) {
+  const { username } = params;
+
+  if (
+    process.env.API_TOKEN == null ||
+    process.env.API_TOKEN !== request.headers.get("Authorization")
+  ) {
+    return new Response(null, { status: 401 });
+  }
+
+  const user = await prisma.user.findUnique({
+    where: { username: username as string }
+  });
+
+  if (user == null) {
+    return new Response(null, { status: 404 });
+  }
+
+  const ldapUser = await ldap.getUserInfo(user);
+  if (ldapUser == null) {
+    return new Response(null, { status: 404 });
+  }
+
+  return new Response(
+    JSON.stringify({
+      ...ldapUser,
+      avatar: ldapUser.avatar ?? null,
+      discordId: ldapUser.discordId ?? null,
+      githubId: ldapUser.githubId ?? null
+    })
+  );
+}