juntekim.com/stripe_to_invoice/app/api/stripe/callback/route.ts
2026-01-18 14:27:25 +00:00

88 lines
2.3 KiB
TypeScript

import { cookies } from "next/headers";
import { NextRequest, NextResponse } from "next/server";
type StripeOAuthResponse = {
access_token: string;
refresh_token: string;
stripe_user_id: string;
scope: string;
};
export async function GET(req: NextRequest) {
const cookieStore = await cookies();
const session = cookieStore.get("session");
// Safety: user must still be logged in
if (!session) {
return NextResponse.redirect(
new URL("/login", process.env.NEXT_PUBLIC_BASE_URL)
);
}
const { searchParams } = new URL(req.url);
const code = searchParams.get("code");
const error = searchParams.get("error");
if (error) {
console.error("Stripe OAuth error:", error);
return NextResponse.redirect(
new URL("/connect/stripe?error=oauth_failed", process.env.NEXT_PUBLIC_BASE_URL)
);
}
if (!code) {
return NextResponse.json(
{ error: "Missing OAuth code" },
{ status: 400 }
);
}
// Exchange code for access token
const tokenRes = await fetch("https://connect.stripe.com/oauth/token", {
method: "POST",
headers: {
"Content-Type": "application/x-www-form-urlencoded",
},
body: new URLSearchParams({
grant_type: "authorization_code",
code,
client_secret: process.env.STRIPE_SECRET_KEY!,
}),
});
if (!tokenRes.ok) {
const text = await tokenRes.text();
console.error("Stripe token exchange failed:", text);
return NextResponse.redirect(
new URL("/connect/stripe?error=token_exchange_failed", process.env.NEXT_PUBLIC_BASE_URL)
);
}
const data = (await tokenRes.json()) as StripeOAuthResponse;
/**
* TODO (NEXT STEP):
* - Encrypt tokens
* - Persist to DB against the current user
*
* Required fields:
* - data.stripe_user_id (acct_...)
* - data.access_token
* - data.refresh_token
* - mode: "test"
*/
console.log("Stripe OAuth success", {
stripe_account_id: data.stripe_user_id,
scope: data.scope,
has_access_token: Boolean(data.access_token),
has_refresh_token: Boolean(data.refresh_token),
access_token_preview: data.access_token?.slice(0, 8) + "...",
});
// MVP success redirect
return NextResponse.redirect(
new URL("/connect/stripe/success", process.env.NEXT_PUBLIC_BASE_URL)
);
}