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flatrender/src/lib/auth/cookies.ts
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import { type NextResponse } from "next/server";
import { ACCESS_TOKEN_COOKIE, REFRESH_TOKEN_COOKIE } from "@/lib/auth/constants";
const REFRESH_MAX_AGE = 60 * 60 * 24 * 30; // 30 days, matches Identity refresh TTL
/** Write the Identity access + refresh tokens as httpOnly cookies on a response. */
export function setAuthCookies(
res: NextResponse,
accessToken: string,
refreshToken: string,
accessExpiresIn: number
): NextResponse {
const secure = process.env.NODE_ENV === "production";
const base = { httpOnly: true, sameSite: "lax", secure, path: "/" } as const;
res.cookies.set(ACCESS_TOKEN_COOKIE, accessToken, {
...base,
maxAge: accessExpiresIn,
});
res.cookies.set(REFRESH_TOKEN_COOKIE, refreshToken, {
...base,
maxAge: REFRESH_MAX_AGE,
});
return res;
}
/** Expire both auth cookies (logout / failed refresh). */
export function clearAuthCookies(res: NextResponse): NextResponse {
for (const name of [ACCESS_TOKEN_COOKIE, REFRESH_TOKEN_COOKIE]) {
res.cookies.set(name, "", { httpOnly: true, path: "/", maxAge: 0 });
}
return res;
}