cryptpad/scripts/check-account-deletion.js

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/* jshint esversion: 6, node: true */
const Fs = require('fs');
const nThen = require('nthen');
const Pinned = require('./pinned');
const Nacl = require('tweetnacl');
const hashesFromPinFile = (pinFile, fileName) => {
var pins = {};
pinFile.split('\n').filter((x)=>(x)).map((l) => JSON.parse(l)).forEach((l) => {
switch (l[0]) {
case 'RESET': {
pins = {};
if (l[1] && l[1].length) { l[1].forEach((x) => { pins[x] = 1; }); }
//jshint -W086
// fallthrough
}
case 'PIN': {
l[1].forEach((x) => { pins[x] = 1; });
break;
}
case 'UNPIN': {
l[1].forEach((x) => { delete pins[x]; });
break;
}
default: throw new Error(JSON.stringify(l) + ' ' + fileName);
}
});
return Object.keys(pins);
};
var escapeKeyCharacters = function (key) {
return key && key.replace && key.replace(/\//g, '-');
};
const dataIdx = process.argv.indexOf('--data');
let edPublic;
if (dataIdx === -1) {
const hasEdPublic = process.argv.indexOf('--ed');
if (hasEdPublic === -1) { return void console.error("Missing ed argument"); }
edPublic = escapeKeyCharacters(process.argv[hasEdPublic+1]);
} else {
const deleteData = JSON.parse(process.argv[dataIdx+1]);
if (!deleteData.toSign || !deleteData.proof) { return void console.error("Invalid arguments"); }
// Check sig
const ed = Nacl.util.decodeBase64(deleteData.toSign.edPublic);
const signed = Nacl.util.decodeUTF8(JSON.stringify(deleteData.toSign));
const proof = Nacl.util.decodeBase64(deleteData.proof);
if (!Nacl.sign.detached.verify(signed, proof, ed)) { return void console.error("Invalid signature"); }
edPublic = escapeKeyCharacters(deleteData.toSign.edPublic);
}
let data = [];
let pinned = [];
nThen((waitFor) => {
let f = '../pins/' + edPublic.slice(0, 2) + '/' + edPublic + '.ndjson';
Fs.readFile(f, waitFor((err, content) => {
if (err) { throw err; }
pinned = hashesFromPinFile(content.toString('utf8'), f);
}));
}).nThen((waitFor) => {
Pinned.load(waitFor((d) => {
data = Object.keys(d);
}), {
exclude: [edPublic + '.ndjson']
});
}).nThen(() => {
console.log('Pads pinned by this user and not pinned by anybody else:');
pinned.forEach((p) => {
if (data.indexOf(p) === -1) {
console.log(p);
}
});
});