53 lines
2.0 KiB
JavaScript
53 lines
2.0 KiB
JavaScript
// lib/icons/sets.js
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import { mkdir, readdir, readFile, rm, writeFile } from 'node:fs/promises';
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import path from 'node:path';
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const BUNDLED_SET = 'devices'; // read-only, ships in public/icons/devices
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let setsDir = process.env.ICON_SETS_DIR || '/var/lib/void/icon-sets';
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let bundledDir = path.resolve('public/icons/devices');
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export function _setDirs({ setsDir: s, bundledDir: b }) { if (s) setsDir = s; if (b) bundledDir = b; }
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const SLUG = /^[a-z0-9-]+$/;
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const FILE = /^[a-z0-9-]+\.(svg|png|jpg|jpeg)$/;
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function okSet(s) { return SLUG.test(s); }
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async function listDir(dir) {
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try { return (await readdir(dir)).filter(f => FILE.test(f)).sort(); } catch { return []; }
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}
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export async function listSets() {
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const out = [{ set: BUNDLED_SET, readonly: true, icons: await listDir(bundledDir) }];
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let uploaded = [];
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try { uploaded = await readdir(setsDir, { withFileTypes: true }); } catch { /* none yet */ }
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for (const d of uploaded) {
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if (d.isDirectory() && okSet(d.name) && d.name !== BUNDLED_SET) {
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out.push({ set: d.name, readonly: false, icons: await listDir(path.join(setsDir, d.name)) });
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}
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}
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return out;
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}
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// Resolve an on-disk path for serving. Throws on bad slugs.
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export function iconPath(set, file) {
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if (!okSet(set) || !FILE.test(file)) throw new Error('bad_slug');
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return set === BUNDLED_SET ? path.join(bundledDir, file) : path.join(setsDir, set, file);
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}
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export async function readIcon(set, file) {
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return readFile(iconPath(set, file));
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}
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export async function writeIcon(set, name, buffer) {
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if (set === BUNDLED_SET) throw new Error('reserved_set');
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if (!okSet(set) || !FILE.test(name)) throw new Error('bad_slug');
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const dir = path.join(setsDir, set);
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await mkdir(dir, { recursive: true });
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await writeFile(path.join(dir, name), buffer);
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}
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export async function deleteSet(set) {
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if (set === BUNDLED_SET) throw new Error('reserved_set');
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if (!okSet(set)) throw new Error('bad_slug');
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await rm(path.join(setsDir, set), { recursive: true, force: true });
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}
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