chat-ui / src /hooks.server.ts
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coyotte508 HF staff
✨ Backend preparation for "Sign in with HF" (#190)
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import { dev } from "$app/environment";
import { COOKIE_NAME } from "$env/static/private";
import type { Handle } from "@sveltejs/kit";
import {
PUBLIC_GOOGLE_ANALYTICS_ID,
PUBLIC_DEPRECATED_GOOGLE_ANALYTICS_ID,
} from "$env/static/public";
import { addYears } from "date-fns";
import { collections } from "$lib/server/database";
import { base } from "$app/paths";
import { requiresUser } from "$lib/server/auth";
export const handle: Handle = async ({ event, resolve }) => {
const token = event.cookies.get(COOKIE_NAME);
event.locals.sessionId = token || crypto.randomUUID();
const user = await collections.users.findOne({ sessionId: event.locals.sessionId });
if (user) {
event.locals.userId = user._id;
}
if (
!event.url.pathname.startsWith(`${base}/admin`) &&
!["GET", "OPTIONS", "HEAD"].includes(event.request.method)
) {
const sendJson =
event.request.headers.get("accept")?.includes("application/json") ||
event.request.headers.get("content-type")?.includes("application/json");
if (!user && requiresUser) {
return new Response(
sendJson
? JSON.stringify({ error: "You need to be logged in first" })
: "You need to be logged in first",
{
status: 401,
headers: {
"content-type": sendJson ? "application/json" : "text/plain",
},
}
);
}
if (!event.url.pathname.startsWith(`${base}/settings`)) {
const hasAcceptedEthicsModal = await collections.settings.countDocuments({
sessionId: event.locals.sessionId,
ethicsModalAcceptedAt: { $exists: true },
});
if (!hasAcceptedEthicsModal) {
return new Response(
sendJson
? JSON.stringify({ error: "You need to accept the welcome modal first" })
: "You need to accept the welcome modal first",
{
status: 405,
headers: {
"content-type": sendJson ? "application/json" : "text/plain",
},
}
);
}
}
}
// Refresh cookie expiration date
event.cookies.set(COOKIE_NAME, event.locals.sessionId, {
path: "/",
// So that it works inside the space's iframe
sameSite: dev ? "lax" : "none",
secure: !dev,
httpOnly: true,
expires: addYears(new Date(), 1),
});
let replaced = false;
const response = await resolve(event, {
transformPageChunk: (chunk) => {
// For some reason, Sveltekit doesn't let us load env variables from .env in the app.html template
if (replaced || !chunk.html.includes("%gaId%") || !chunk.html.includes("%gaIdDeprecated%")) {
return chunk.html;
}
replaced = true;
return chunk.html
.replace("%gaId%", PUBLIC_GOOGLE_ANALYTICS_ID)
.replace("%gaIdDeprecated%", PUBLIC_DEPRECATED_GOOGLE_ANALYTICS_ID);
},
});
return response;
};