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import { authCondition } from "$lib/server/auth";
import { collections } from "$lib/server/database";
import { error } from "@sveltejs/kit";
import { ObjectId } from "mongodb";
import { z } from "zod";
import type { RequestHandler } from "./$types";
import { downloadFile } from "$lib/server/files/downloadFile";
export const GET: RequestHandler = async ({ locals, params }) => {
const sha256 = z.string().parse(params.sha256);
const userId = locals.user?._id ?? locals.sessionId;
// check user
if (!userId) {
throw error(401, "Unauthorized");
}
if (params.id.length !== 7) {
const convId = new ObjectId(z.string().parse(params.id));
// check if the user has access to the conversation
const conv = await collections.conversations.findOne({
_id: convId,
...authCondition(locals),
});
if (!conv) {
throw error(404, "Conversation not found");
}
} else {
// check if the user has access to the conversation
const conv = await collections.sharedConversations.findOne({
_id: params.id,
});
if (!conv) {
throw error(404, "Conversation not found");
}
}
const { content, mime } = await downloadFile(sha256, params.id);
return new Response(content, {
headers: {
"Content-Type": mime ?? "application/octet-stream",
},
});
};
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