mirror of
https://github.com/EvernodeXRPL/hpcore.git
synced 2026-07-29 18:10:38 +00:00
Implemented user connection challenge handshake (#20)
Implemented user connection challenge handshake. Optimized user challenge message processing.
This commit is contained in:
Ravin Perera
2
examples/hpclient/.gitignore
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2
examples/hpclient/.gitignore
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node_modules/**
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.hp_client_keys
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104
examples/hpclient/client.js
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104
examples/hpclient/client.js
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//
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// HotPocket client example code adopted from:
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// https://github.com/codetsunami/hotpocket/blob/master/hp_client.js
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//
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const fs = require('fs')
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const ws_api = require('ws');
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const sodium = require('libsodium-wrappers')
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const readline = require('readline')
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// sodium has a trigger when it's ready, we will wait and execute from there
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sodium.ready.then(main).catch((e) => { console.log(e) })
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function main() {
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var keys = sodium.crypto_sign_keypair()
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// check for client keys
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if (!fs.existsSync('.hp_client_keys')) {
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keys.privateKey = sodium.to_hex(keys.privateKey)
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keys.publicKey = sodium.to_hex(keys.publicKey)
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fs.writeFileSync('.hp_client_keys', JSON.stringify(keys))
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} else {
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keys = JSON.parse(fs.readFileSync('.hp_client_keys'))
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keys.privateKey = Uint8Array.from(Buffer.from(keys.privateKey, 'hex'))
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keys.publicKey = Uint8Array.from(Buffer.from(keys.publicKey, 'hex'))
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}
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var server = 'ws://localhost:8080'
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if (process.argv.length == 3) server = 'ws://localhost:' + process.argv[2]
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if (process.argv.length == 4) server = 'ws://' + process.argv[2] + ':' + process.argv[3]
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var ws = new ws_api(server)
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/* anatomy of a public challenge
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{
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hotpocket: 0.1,
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type: 'public_challenge',
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challenge: '<base64 string>'
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}
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*/
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// if the console ctrl + c's us we should close ws gracefully
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process.once('SIGINT', function (code) {
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console.log('SIGINT received...');
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ws.close()
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});
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ws.on('message', (m) => {
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console.log("-----Received raw message-----")
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console.log(m)
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console.log("------------------------------")
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try {
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m = JSON.parse(m)
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} catch (e) {
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return
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}
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if (m.type != 'public_challenge') return
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console.log("Received challenge message")
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console.log(m)
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console.log('My public key is: ' + Buffer.from(keys.publicKey).toString('base64'));
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// sign the challenge and send back the response
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var sigbytes = sodium.crypto_sign_detached(m.challenge, keys.privateKey);
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var response = {
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type: 'challenge_response',
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challenge: m.challenge,
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sig: Buffer.from(sigbytes).toString('base64'),
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pubkey: Buffer.from(keys.publicKey).toString('base64')
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}
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console.log('Sending challenge response...');
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ws.send(JSON.stringify(response))
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// start listening for stdin
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const rl = readline.createInterface({
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input: process.stdin,
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output: process.stdout
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});
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var input_pump = () => {
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rl.question('', (answer) => {
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ws.send(answer + "\n")
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input_pump()
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})
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}
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input_pump()
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});
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ws.on('close', () => {
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console.log('Server disconnected.');
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});
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}
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60
examples/hpclient/package-lock.json
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60
examples/hpclient/package-lock.json
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{
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"requires": true,
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"lockfileVersion": 1,
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"dependencies": {
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"async-limiter": {
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"version": "1.0.1",
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"resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.1.tgz",
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"integrity": "sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ=="
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},
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"fs-extra": {
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"version": "8.1.0",
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"resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
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"integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
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"requires": {
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"graceful-fs": "^4.2.0",
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"jsonfile": "^4.0.0",
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"universalify": "^0.1.0"
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}
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},
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"graceful-fs": {
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"version": "4.2.2",
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"resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.2.tgz",
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"integrity": "sha512-IItsdsea19BoLC7ELy13q1iJFNmd7ofZH5+X/pJr90/nRoPEX0DJo1dHDbgtYWOhJhcCgMDTOw84RZ72q6lB+Q=="
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},
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"jsonfile": {
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"version": "4.0.0",
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"resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
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"integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
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"requires": {
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"graceful-fs": "^4.1.6"
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}
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},
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"libsodium": {
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"version": "0.7.5",
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"resolved": "https://registry.npmjs.org/libsodium/-/libsodium-0.7.5.tgz",
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"integrity": "sha512-0YVU2QJc5sDR5HHkGCaliYImS7pGeXi11fiOfm4DirBd96PJVZIn3LJa06ZOFjLNsWkL3UbNjYhLRUOABPL9vw=="
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},
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"libsodium-wrappers": {
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"version": "0.7.5",
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"resolved": "https://registry.npmjs.org/libsodium-wrappers/-/libsodium-wrappers-0.7.5.tgz",
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"integrity": "sha512-QE9Q+FxLLGdJRiJTuC2GB3LEHZeHX/VcbMQeNPdAixEKo86JPy6bOWND1XmMLu0tjWUu0xIY0YpJYQApxIZwbQ==",
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"requires": {
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"libsodium": "0.7.5"
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}
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},
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"universalify": {
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"version": "0.1.2",
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"resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
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"integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg=="
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},
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"ws": {
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"version": "7.1.2",
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"resolved": "https://registry.npmjs.org/ws/-/ws-7.1.2.tgz",
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"integrity": "sha512-gftXq3XI81cJCgkUiAVixA0raD9IVmXqsylCrjRygw4+UOOGzPoxnQ6r/CnVL9i+mDncJo94tSkyrtuuQVBmrg==",
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"requires": {
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"async-limiter": "^1.0.0"
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}
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}
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}
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}
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7
examples/hpclient/package.json
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7
examples/hpclient/package.json
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@@ -0,0 +1,7 @@
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{
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"dependencies": {
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"fs-extra": "^8.1.0",
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"libsodium-wrappers": "^0.7.5",
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"ws": "^7.1.2"
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}
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}
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