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Script to check pads to delete when account deletion request
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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'); | ||
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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); | ||
}; | ||
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var escapeKeyCharacters = function (key) { | ||
return key && key.replace && key.replace(/\//g, '-'); | ||
}; | ||
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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); | ||
} | ||
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let data = []; | ||
let pinned = []; | ||
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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); | ||
} | ||
}); | ||
}); | ||
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