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import { redirect, error } from "@sveltejs/kit";
import { getOIDCUserData, validateAndParseCsrfToken } from "$lib/server/auth";
import { z } from "zod";
import { base } from "$app/paths";
import { updateUser } from "./updateUser";
export async function load({ url, locals, cookies }) {
const { error: errorName, error_description: errorDescription } = z
.object({
error: z.string().optional(),
error_description: z.string().optional(),
})
.parse(Object.fromEntries(url.searchParams.entries()));
if (errorName) {
throw error(400, errorName + (errorDescription ? ": " + errorDescription : ""));
}
const { code, state } = z
.object({
code: z.string(),
state: z.string(),
})
.parse(Object.fromEntries(url.searchParams.entries()));
const csrfToken = Buffer.from(state, "base64").toString("utf-8");
const validatedToken = await validateAndParseCsrfToken(csrfToken, locals.sessionId);
if (!validatedToken) {
throw error(403, "Invalid or expired CSRF token");
}
const { userData } = await getOIDCUserData({ redirectURI: validatedToken.redirectUrl }, code);
await updateUser({ userData, locals, cookies });
throw redirect(302, `${base}/`);
}
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