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Docs: a workspace knowledge base people and agents write together1import { env } from "cloudflare:workers";
2import { data } from "react-router";
3
4import { DOCS_VIEWER_HEADER, DOC_MAX_FILE_BYTES } from "@g1t/contracts";
5
6import type { Route } from "./+types/upload";
7import { assertSameOrigin, requireUser, roleIn } from "../../../lib/session.server";
8
9/**
10 * A file put in a page (an image, a PDF, an attachment):
11 * `POST <site>/<workspace>/-/docs/upload?page=<id>&name=<file name>` with
12 * the file as the body. The docs service checks the viewer can edit the
13 * page, keeps the file, and answers with its address on the usercontent
14 * origin, where it is served, never on the site.
15 */
16export async function action({ params, context, request }: Route.ActionArgs) {
17 assertSameOrigin(request);
18 const viewer = requireUser(context, request);
19 if (!roleIn(viewer, params.owner)) throw data(null, { status: 404 });
20 const url = new URL(request.url);
21 const length = Number(request.headers.get("content-length") ?? "0");
22 if (!length || length > DOC_MAX_FILE_BYTES) {
23 return Response.json({ ok: false, error: { code: "invalid", message: `Files can be up to ${DOC_MAX_FILE_BYTES / 1024 / 1024} MB.` } });
24 }
25 const target = new URL("https://docs/files");
26 target.searchParams.set("workspace", params.owner.toLowerCase());
27 target.searchParams.set("page", url.searchParams.get("page") ?? "");
28 target.searchParams.set("name", url.searchParams.get("name") ?? "file");
29 try {
30 const answer = await env.DOCS.fetch(target.toString(), {
31 method: "PUT",
32 headers: {
33 "content-type": request.headers.get("content-type") ?? "application/octet-stream",
34 "content-length": String(length),
35 [DOCS_VIEWER_HEADER]: JSON.stringify(viewer),
36 },
37 body: request.body,
38 });
39 return new Response(answer.body, { headers: { "content-type": "application/json", "cache-control": "no-store" } });
40 } catch (error) {
41 console.error("docs: upload", error);
42 return Response.json({ ok: false, error: { code: "conflict", message: "Docs didn't answer. Try again." } });
43 }
44}