cryptpad/scripts/pinned.js

85 lines
2.7 KiB
JavaScript

// SPDX-FileCopyrightText: 2023 XWiki CryptPad Team <contact@cryptpad.org> and contributors
//
// SPDX-License-Identifier: AGPL-3.0-or-later
/* jshint esversion: 6, node: true */
const Fs = require('fs');
const Path = require("path");
const Semaphore = require('saferphore');
const Once = require("../lib/once");
const nThen = require('nthen');
const Pins = require("../lib/pins");
const sema = Semaphore.create(20);
let dirList;
const fileList = [];
const pinned = {};
module.exports.load = function (cb, config) {
var pinPath = config.pinPath || './pins';
var done = Once(cb);
nThen((waitFor) => {
// recurse over the configured pinPath, or the default
Fs.readdir(pinPath, waitFor((err, list) => {
if (err) {
if (err.code === 'ENOENT') {
dirList = [];
return; // this ends up calling back with an empty object
}
waitFor.abort();
return void done(err);
}
dirList = list;
}));
}).nThen((waitFor) => {
dirList.forEach((f) => {
sema.take((returnAfter) => {
// iterate over all the subdirectories in the pin store
Fs.readdir(Path.join(pinPath, f), waitFor(returnAfter((err, list2) => {
if (err) {
waitFor.abort();
return void done(err);
}
list2.forEach((ff) => {
if (config && config.exclude && config.exclude.indexOf(ff) > -1) { return; }
fileList.push(Path.join(pinPath, f, ff));
});
})));
});
});
}).nThen((waitFor) => {
fileList.forEach((f) => {
sema.take((returnAfter) => {
Fs.readFile(f, waitFor(returnAfter((err, content) => {
if (err) {
waitFor.abort();
return void done(err);
}
const hashes = Pins.calculateFromLog(content.toString('utf8'), f);
hashes.forEach((x) => {
(pinned[x] = pinned[x] || {})[f.replace(/.*\/([^/]*).ndjson$/, (x, y)=>y)] = 1;
});
})));
});
});
}).nThen(() => {
done(void 0, pinned);
});
};
if (!module.parent) {
module.exports.load(function (err, data) {
if (err) {
return void console.error(err);
}
Object.keys(data).forEach(function (x) {
console.log(x + ' ' + JSON.stringify(data[x]));
});
}, {
pinPath: require("../lib/load-config").pinPath
});
}