@paroicms/server/dist/admin-backend/backup/backup.controller.js

The ParoiCMS server

import { ApiError } from "@paroicms/public-server-lib";
import { type } from "arktype";
import { checkBackupFileName } from "../../connector/site-backup/backup.helper.js";
import { getBackup } from "../../connector/site-backup/backup.js";
import { getRouteParameter } from "../../express/http-helpers.js";
import { verifyPresignedLink } from "./backup.helper.js";
const BackupUrlQueryAT = type({
    "t?": "string|undefined",
    "+": "reject",
});
export async function downloadBackupController(siteContext, httpContext, routeParams) {
    const { req, res } = httpContext;
    const backupName = getRouteParameter(routeParams, "backupName");
    const validated = BackupUrlQueryAT.assert(req.query);
    const token = validated.t;
    if (!token)
        throw new Error("missing user token");
    const { backupFile, contentType } = verifyPresignedLink(token);
    if (!checkBackupFileName({ fqdn: req.hostname }, backupName)) {
        throw new ApiError("Invalid payload", 404);
    }
    if (backupFile !== backupName) {
        throw new ApiError("invalid token provided", 400);
    }
    const { fileStream, fileWeight } = await getBackup(siteContext, backupName);
    res.status(200);
    res.append("Cache-Control", "no-store");
    res.append("Content-Type", contentType);
    res.append("Content-Length", fileWeight.toString());
    res.append("Content-Disposition", `attachment; filename=${backupName}`);
    res.send(fileStream);
}
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