3 changed files with 84 additions and 3 deletions
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@ -0,0 +1,76 @@ |
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/* jshint esversion: 6, node: true */ |
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const Fs = require('fs'); |
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const nThen = require('nthen'); |
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const Pinned = require('./pinned'); |
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const Nacl = require('tweetnacl'); |
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const hashesFromPinFile = (pinFile, fileName) => { |
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var pins = {}; |
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pinFile.split('\n').filter((x)=>(x)).map((l) => JSON.parse(l)).forEach((l) => { |
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switch (l[0]) { |
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case 'RESET': { |
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pins = {}; |
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if (l[1] && l[1].length) { l[1].forEach((x) => { pins[x] = 1; }); } |
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//jshint -W086
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// fallthrough
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} |
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case 'PIN': { |
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l[1].forEach((x) => { pins[x] = 1; }); |
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break; |
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} |
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case 'UNPIN': { |
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l[1].forEach((x) => { delete pins[x]; }); |
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break; |
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} |
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default: throw new Error(JSON.stringify(l) + ' ' + fileName); |
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} |
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}); |
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return Object.keys(pins); |
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}; |
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var escapeKeyCharacters = function (key) { |
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return key && key.replace && key.replace(/\//g, '-'); |
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}; |
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const dataIdx = process.argv.indexOf('--data'); |
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let edPublic; |
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if (dataIdx === -1) { |
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const hasEdPublic = process.argv.indexOf('--ed'); |
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if (hasEdPublic === -1) { return void console.error("Missing ed argument"); } |
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edPublic = escapeKeyCharacters(process.argv[hasEdPublic+1]); |
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} else { |
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const deleteData = JSON.parse(process.argv[dataIdx+1]); |
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if (!deleteData.toSign || !deleteData.proof) { return void console.error("Invalid arguments"); } |
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// Check sig
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const ed = Nacl.util.decodeBase64(deleteData.toSign.edPublic); |
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const signed = Nacl.util.decodeUTF8(JSON.stringify(deleteData.toSign)); |
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const proof = Nacl.util.decodeBase64(deleteData.proof); |
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if (!Nacl.sign.detached.verify(signed, proof, ed)) { return void console.error("Invalid signature"); } |
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edPublic = escapeKeyCharacters(deleteData.toSign.edPublic); |
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} |
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let data = []; |
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let pinned = []; |
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nThen((waitFor) => { |
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let f = './pins/' + edPublic.slice(0, 2) + '/' + edPublic + '.ndjson'; |
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Fs.readFile(f, waitFor((err, content) => { |
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if (err) { throw err; } |
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pinned = hashesFromPinFile(content.toString('utf8'), f); |
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})); |
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}).nThen((waitFor) => { |
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Pinned.load(waitFor((d) => { |
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data = Object.keys(d); |
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}), { |
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exclude: [edPublic + '.ndjson'] |
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}); |
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}).nThen(() => { |
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console.log('Pads pinned by this user and not pinned by anybody else:'); |
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pinned.forEach((p) => { |
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if (data.indexOf(p) === -1) { |
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console.log(p); |
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} |
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}); |
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}); |
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