Files
pieced-portal/src/app/api/register/route.ts
2026-04-12 18:13:26 +02:00

106 lines
2.9 KiB
TypeScript

import { NextRequest, NextResponse } from "next/server";
import { registerCustomer } from "@/lib/zitadel";
import { rateLimit } from "@/lib/rate-limit";
import type { RegistrationInput } from "@/types";
import { z } from "zod";
const registrationSchema = z.object({
companyName: z.string().min(2).max(100),
givenName: z.string().min(1).max(100),
familyName: z.string().min(1).max(100),
email: z.string().email(),
preferredLanguage: z.enum(["en", "de", "fr", "it"]).optional(),
});
/** 3 registrations per IP per hour */
const RATE_LIMIT = 3;
const RATE_WINDOW_MS = 3_600_000; // 1 hour
export async function POST(request: NextRequest) {
// --- Rate limiting ---
const ip =
request.headers.get("x-forwarded-for")?.split(",")[0]?.trim() ??
request.headers.get("x-real-ip") ??
"unknown";
const rl = rateLimit(`register:${ip}`, RATE_LIMIT, RATE_WINDOW_MS);
if (!rl.allowed) {
return NextResponse.json(
{ error: "Too many registration attempts. Please try again later." },
{
status: 429,
headers: {
"Retry-After": String(Math.ceil(rl.resetMs / 1000)),
"X-RateLimit-Limit": String(RATE_LIMIT),
"X-RateLimit-Remaining": "0",
},
},
);
}
// --- Validation ---
try {
const body = await request.json();
const parsed = registrationSchema.safeParse(body);
if (!parsed.success) {
return NextResponse.json(
{ error: "Validation failed", details: parsed.error.flatten() },
{ status: 400 },
);
}
const input: RegistrationInput = parsed.data;
const result = await registerCustomer({
companyName: input.companyName,
email: input.email,
givenName: input.givenName,
familyName: input.familyName,
preferredLanguage: input.preferredLanguage,
});
return NextResponse.json(
{
orgId: result.orgId,
userId: result.userId,
message:
"Registration successful. You will receive an invitation email to set your password.",
},
{
status: 201,
headers: {
"X-RateLimit-Limit": String(RATE_LIMIT),
"X-RateLimit-Remaining": String(rl.remaining),
},
},
);
} catch (e: any) {
console.error("Registration failed:", e);
const zitadelMessage = extractZitadelMessage(e.message);
return NextResponse.json(
{ error: zitadelMessage || "Registration failed. Please try again." },
{ status: e.statusCode || 500 },
);
}
}
/**
* ZITADEL errors come as:
* "ZITADEL POST /path: 400 {"code":3, "message":"..."}"
* Extract the human-readable "message" field.
*/
function extractZitadelMessage(errorMsg: string): string | null {
try {
const jsonStart = errorMsg.indexOf("{");
if (jsonStart === -1) return null;
const json = JSON.parse(errorMsg.slice(jsonStart));
return json.message || null;
} catch {
return null;
}
}