homepage-plus/src/pages/api/hash.js
Jon Seager ca396ce96b
Override config directory with env var.
Until this change, the config directory was assumed
to be located at '/config'. This patch retains that
default behaviour, but enables users/devs to override
that behaviour by setting the HOMEPAGE_CONFIG_DIR
variable.
2023-07-10 15:48:51 +01:00

30 lines
921 B
JavaScript

import { join } from "path";
import { createHash } from "crypto";
import { readFileSync } from "fs";
import checkAndCopyConfig, { CONF_DIR } from "utils/config/config";
const configs = ["docker.yaml", "settings.yaml", "services.yaml", "bookmarks.yaml", "widgets.yaml"];
function hash(buffer) {
const hashSum = createHash("sha256");
hashSum.update(buffer);
return hashSum.digest("hex");
}
export default async function handler(req, res) {
const hashes = configs.map((config) => {
checkAndCopyConfig(config);
const configYaml = join(CONF_DIR, config);
return hash(readFileSync(configYaml, "utf8"));
});
// set to date by docker entrypoint, will force revalidation between restarts/recreates
const buildTime = process.env.HOMEPAGE_BUILDTIME?.length ? process.env.HOMEPAGE_BUILDTIME : '';
const combinedHash = hash(hashes.join("") + buildTime);
res.send({
hash: combinedHash,
});
}