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index.js
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require('dotenv').config();
const path = require('path');
const stream = require('stream');
const fs = require('fs');
const url = require('url');
const querystring = require('querystring');
const http = require('http');
const https = require('https');
const dns = require('dns');
const crypto = require('crypto');
const zlib = require('zlib');
const os = require('os');
const child_process = require('child_process');
const mkdirp = require('mkdirp');
const FormData = require('form-data');
// const express = require('express');
const httpProxy = require('http-proxy');
const ws = require('ws');
// const LRU = require('lru');
const mime = require('mime');
const AWS = require('aws-sdk');
const Stripe = require('stripe');
// const puppeteer = require('puppeteer');
const namegen = require('./namegen.js');
const Base64Encoder = require('./encoder.js').Encoder;
// const {JSONServer, CustomEvent} = require('./dist/sync-server.js');
const fetch = require('node-fetch');
const {SHA3} = require('sha3');
const {default: formurlencoded} = require('form-urlencoded');
const bip39 = require('bip39');
const {hdkey} = require('ethereumjs-wallet');
const {getDynamoItem, getDynamoAllItems, putDynamoItem} = require('./aws.js');
const {getRedisItem, getRedisAllItems, parseRedisItems} = require('./redis.js');
const {getExt, makePromise} = require('./utils.js');
const Timer = require('./timer.js');
const {getStoreEntries, getChainNft, getAllWithdrawsDeposits} = require('./tokens.js');
const {getBlockchain, getPolygonNFTCollection} = require('./blockchain.js');
// const browserManager = require('./browser-manager.js');
const {accountKeys, ids, nftIndexName, redisPrefixes, mainnetSignatureMessage, cacheHostUrl} = require('./constants.js');
const {connect: redisConnect, getRedisClient} = require('./redis');
const ethereumJsUtil = require('./ethereumjs-util.js');
const gotNfts = require('got-nfts');
const OpenAI = require('openai-api');
const GPT3Encoder = require('gpt-3-encoder');
const Web3 = require('web3');
const _jsonParse = s => {
try {
return JSON.parse(s);
} catch (e) {
return {};
}
}
const _readJson = async request => {
const buffers = [];
return new Promise((accept, reject) => {
request.on('data', chunk => buffers.push(chunk));
request.on('end', () => accept(_jsonParse(Buffer.concat(buffers).toString('utf8'))));
request.on('error', reject);
});
};
let config = fs.existsSync('./config.json') ? require('./config.json') : null;
const accessKeyId = process.env.accessKeyId || config.accessKeyId;
const secretAccessKey = process.env.secretAccessKey || config.secretAccessKey;
const githubClientId = process.env.githubClientId || config.githubClientId;
const githubClientSecret = process.env.githubClientSecret || config.githubClientSecret;
const discordClientId = process.env.discordClientId || config.discordClientId;
const discordClientSecret = process.env.discordClientSecret || config.discordClientSecret;
const awsConfig = new AWS.Config({
credentials: new AWS.Credentials({
accessKeyId,
secretAccessKey,
}),
region: 'us-west-1',
});
const ddb = new AWS.DynamoDB(awsConfig);
const ddbd = new AWS.DynamoDB.DocumentClient(awsConfig);
const s3 = new AWS.S3(awsConfig);
const ses = new AWS.SES(new AWS.Config({
credentials: new AWS.Credentials({
accessKeyId,
secretAccessKey,
}),
region: 'us-west-2',
}));
/* const apiKeyCache = new LRU({
max: 1024,
maxAge: 60 * 1000,
}); */
// const stripe = Stripe(stripeClientSecret);
// const accountManager = require('./account-manager.js');
// const eventsManager = require('./events-manager.js');
const Discord = require('discord.js');
const getAiPrefix = (() => {
let aiPrefix = null;
let aiPrefixLoad = null;
return async () => {
if (aiPrefix) {
return aiPrefix;
} else {
if (!aiPrefixLoad) {
aiPrefixLoad = (async () => {
const res = await fetch(`https://webaverse.github.io/code-ai/ai-prefix.js`);
const text = await res.text();
return text;
})();
aiPrefixLoad.then(text => {
aiPrefix = text;
aiPrefixLoad = null;
setTimeout(() => {
aiPrefix = null;
}, 60 * 1000);
});
}
return await aiPrefixLoad;
}
};
})();
const engines = {
gpt3: 'text-davinci-001',
codex: 'davinci-codex',
lore: 'gpt-neo-20b',
};
const camelToUnderscore = key => {
let result = key.replace(/([A-Z])/g, " $1");
return result.split(' ').join('_').toLowerCase();
};
const _makeSendRequestRewriter = (OPEN_AI_URL, engine) => async function(url, method, opts = {}) {
// console.log('got req', url, method, opts);
url = `${OPEN_AI_URL}/engines/${engine}/completions`;
const data = {};
for (const key in opts) {
data[camelToUnderscore(key)] = opts[key];
}
const rs = await new Promise((accept, reject) => {
const req = https.request(url, {
method,
headers: {
'Authorization': `Bearer ${this._api_key}`,
'Content-Type': 'application/json'
}
}, res => {
res.setEncoding('utf8');
accept(res);
});
req.end(Object.keys(data).length ? JSON.stringify(data) : '');
req.on('error', reject);
});
return rs;
}
const openai = new OpenAI(config.openAiKey);
openai._send_request = _makeSendRequestRewriter('https://api.openai.com/v1', engines.gpt3);
const openaiCodex = new OpenAI(config.openAiKey);
openaiCodex._send_request = _makeSendRequestRewriter('https://api.openai.com/v1', engines.codex);
const gooseAiLore = new OpenAI(config.gooseAiKey);
gooseAiLore._send_request = _makeSendRequestRewriter('https://api.goose.ai/v1', engines.lore);
const _openAiCodex = async (prompt, {
stop,
max_tokens = NaN,
temperature,
top_p,
}) => {
const maxTokens = 4096;
if (isNaN(max_tokens)) {
max_tokens = maxTokens - GPT3Encoder.encode(prompt).length;
}
const o = {
engine: engines.codex,
prompt,
stop,
max_tokens,
stream: true,
};
if (typeof temperature === 'number') {
o.temperature = temperature;
}
if (typeof top_p === 'number') {
o.top_p = top_p;
}
const gptRes = await openAiCodex.complete(o);
return gptRes;
};
const _gooseAiLore = async (prompt, {
stop,
max_tokens = NaN,
temperature,
top_p,
}) => {
const maxTokens = 1024;
if (isNaN(max_tokens)) {
max_tokens = maxTokens - GPT3Encoder.encode(prompt).length;
}
const o = {
engine: engines.lore,
prompt,
stop: stop ? [stop] : [],
max_tokens,
stream: true,
};
temperature = +temperature;
if (!isNaN(temperature)) {
o.temperature = temperature;
}
top_p = +top_p;
if (!isNaN(top_p)) {
o.top_p = top_p;
}
const gptRes = await gooseAiLore.complete(o);
return gptRes;
};
// const api = require('./api.js');
// const { _handleStorageRequest } = require('./routes/storage.js');
// const { _handleAccountsRequest } = require('./routes/accounts.js');
// const { _handlePreviewRequest } = require('./routes/preview.js')
const { worldManager, _handleWorldsRequest, _startWorldsRoute } = require('./routes/worlds.js');
const { _handleSignRequest } = require('./routes/sign.js');
const { _handleUnlockRequest, _handleLockRequest, _handleDecryptRequest, _isCollaborator, _isSingleCollaborator} = require('./routes/unlock.js');
const { _handleAnalyticsRequest } = require('./routes/analytics.js');
let CERT = null;
let PRIVKEY = null;
const fullchainPath = './certs/fullchain.pem';
const privkeyPath = './certs/privkey.pem';
try {
CERT = fs.readFileSync(fullchainPath);
} catch (err) {
console.warn(`failed to load ${fullchainPath}`);
}
try {
PRIVKEY = fs.readFileSync(privkeyPath);
} catch (err) {
console.warn(`failed to load ${privkeyPath}`);
}
const PORT = parseInt(process.env.HTTP_PORT, 10) || 80;
// const filterTopic = 'webxr-site';
const tableName = 'users';
const defaultAvatarPreview = `https://preview.exokit.org/[https://raw.githubusercontent.com/avaer/vrm-samples/master/vroid/male.vrm]/preview.png`;
Error.stackTraceLimit = 300;
const emailRegex = /(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])/;
const codeTestRegex = /^[0-9]{6}$/;
const discordIdTestRegex = /^[0-9]+$/;
const twitterIdTestRegex = /^@?(\w){1,15}$/;
function _randomString() {
return Math.random().toString(36).replace(/[^a-z]+/g, '').substr(0, 5);
}
const maxEmailsPerIp = 5;
const maxEmailsRefillTime = 10 * 60 * 1000;
class Throttler {
constructor() {
this.tickets = {};
}
getTicket(ip) {
this.tickets[ip] ||= 0;
if (this.tickets[ip] < maxEmailsPerIp) {
this.tickets[ip]++;
setTimeout(() => {
this.tickets[ip]--;
}, maxEmailsRefillTime);
return true;
} else {
return false;
}
}
}
(async () => {
await worldManager.waitForLoad();
const throttler = new Throttler();
/* const ipfsRepoLockPath = path.join(os.homedir(), '.ipfs', 'repo.lock');
try {
fs.unlinkSync(ipfsRepoLockPath);
} catch (err) {
if (err.code === 'ENOENT') {
// nothing
} else {
console.warn(err.stack);
}
}
const ipfsProcess = child_process.spawn('ipfs', [
'daemon',
'--writable',
]);
ipfsProcess.stdout.pipe(process.stdout);
ipfsProcess.stderr.pipe(process.stderr);
ipfsProcess.on('exit', code => {
console.warn('ipfs exited', code);
});
process.on('exit', () => {
ipfsProcess.kill(9);
}); */
const _handleLogin = async (req, res) => {
const _respond = (statusCode, body) => {
res.statusCode = statusCode;
res.setHeader('Access-Control-Allow-Origin', '*');
res.end(body);
};
const _setCorsHeaders = res => {
res.setHeader('Access-Control-Allow-Origin', '*');
res.setHeader('Access-Control-Allow-Headers', '*');
res.setHeader('Access-Control-Allow-Methods', '*');
};
try {
const {method} = req;
const {query, pathname: p} = url.parse(req.url, true);
console.log('got login', JSON.stringify({method, p, query}, null, 2));
if (method === 'POST') {
let {email, code, token, discordcode, discordid, twittercode, twitterid, autoip, mnemonic, signature, nonce, redirect_uri} = query;
if (email && emailRegex.test(email)) {
if (token) {
const tokenItem = await ddb.getItem({
TableName: tableName,
Key: {
email: {S: email + '.token'},
},
}).promise();
console.log('got login', tokenItem, {email, token});
const tokens = tokenItem.Item ? JSON.parse(tokenItem.Item.tokens.S) : [];
if (tokens.includes(token)) {
_respond(200, JSON.stringify({
email,
token,
name: tokenItem.Item.name.S,
mnemonic: tokenItem.Item.mnemonic.S,
addr: tokenItem.Item.addr.S,
state: tokenItem.Item.state.S,
stripeState: (tokenItem.Item.stripeState && tokenItem.Item.stripeState.S) ? !!JSON.parse(tokenItem.Item.stripeState.S) : false,
stripeConnectState: (tokenItem.Item.stripeConnectState && tokenItem.Item.stripeConnectState.S) ? !!JSON.parse(tokenItem.Item.stripeConnectState.S) : false,
githubOauthState: (tokenItem.Item.githubOauthState && tokenItem.Item.githubOauthState.S) ? !!JSON.parse(tokenItem.Item.githubOauthState.S) : false,
}));
} else {
_respond(401, JSON.stringify({
error: 'invalid token',
}));
}
} else if (code) {
if (codeTestRegex.test(code)) {
const codeItem = await ddb.getItem({
TableName: tableName,
Key: {
email: {S: email + '.code'},
}
}).promise();
console.log('got verification', codeItem, {email, code});
if (codeItem.Item && codeItem.Item.code.S === code) {
await ddb.deleteItem({
TableName: tableName,
Key: {
email: {S: email + '.code'},
}
}).promise();
const tokenItem = await ddb.getItem({
TableName: tableName,
Key: {
email: {S: email + '.token'},
},
}).promise();
const tokens = (tokenItem.Item && tokenItem.Item.tokens) ? JSON.parse(tokenItem.Item.tokens.S) : [];
let name = (tokenItem.Item && tokenItem.Item.name) ? tokenItem.Item.name.S : null;
let mnemonic = (tokenItem.Item && tokenItem.Item.mnemonic) ? tokenItem.Item.mnemonic.S : null;
let addr = (tokenItem.Item && tokenItem.Item.addr) ? tokenItem.Item.addr.S : null;
let state = (tokenItem.Item && tokenItem.Item.state) ? tokenItem.Item.state.S : null;
let stripeState = (tokenItem.Item && tokenItem.Item.stripeState) ? JSON.parse(tokenItem.Item.stripeState.S) : null;
let stripeConnectState = (tokenItem.Item && tokenItem.Item.stripeConnectState) ? JSON.parse(tokenItem.Item.stripeConnectState.S) : null;
let githubOauthState = (tokenItem.Item && tokenItem.Item.githubOauthState) ? JSON.parse(tokenItem.Item.githubOauthState.S) : null;
// console.log('old item', tokenItem, {tokens, mnemonic});
const token = crypto.randomBytes(32).toString('base64');
tokens.push(token);
while (tokens.length > 10) {
tokens.shift();
}
if (!name) {
name = namegen(2).join('-');
}
if (!mnemonic || !addr) {
mnemonic = bip39.generateMnemonic();
const wallet = hdkey.fromMasterSeed(bip39.mnemonicToSeedSync(mnemonic)).derivePath(`m/44'/60'/0'/0/0`).getWallet();
addr = wallet.getAddressString();
}
if (!state) {
state = _randomString();
}
if (!stripeState) {
stripeState = null;
}
if (!stripeConnectState) {
stripeConnectState = null;
}
if (!githubOauthState) {
githubOauthState = null;
}
// console.log('new item', {name, tokens, mnemonic, addr});
await ddb.putItem({
TableName: tableName,
Item: {
email: {S: email + '.token'},
name: {S: name},
tokens: {S: JSON.stringify(tokens)},
mnemonic: {S: mnemonic},
address: {S: addr},
addr: {S: addr},
state: {S: state},
stripeState: {S: JSON.stringify(stripeState)},
stripeConnectState: {S: JSON.stringify(stripeConnectState)},
githubOauthState: {S: JSON.stringify(githubOauthState)},
// whitelisted: {BOOL: true},
}
}).promise();
_respond(200, JSON.stringify({
email,
token,
name,
mnemonic,
addr,
state,
stripeState: !!stripeState,
stripeConnectState: !!stripeConnectState,
githubOauthState: !!githubOauthState,
}));
} else {
_respond(403, JSON.stringify({
error: 'invalid code',
}));
}
} else {
_respond(403, JSON.stringify({
error: 'invalid code',
}));
}
} else {
/* const tokenItem = await ddb.getItem({
TableName: tableName,
Key: {
email: {S: email + '.token'},
}
}).promise();
const whitelisted = tokenItem.Item ? tokenItem.Item.whitelisted.BOOL : false;
console.log('whitelist', {email, whitelisted});
if (whitelisted) { */
const ok = throttler.getTicket(req.connection.remoteAddress);
console.log(`login with email ${email} @ ${req.connection.remoteAddress} ${ok ? 'OK' : 'BLOCKED'}`);
if (ok) {
const code = new Uint32Array(crypto.randomBytes(4).buffer, 0, 1).toString(10).slice(-6);
console.log('verification', {email, code});
await ddb.putItem({
TableName: tableName,
Item: {
email: {S: email + '.code'},
code: {S: code},
}
}).promise();
var params = {
Destination: {
ToAddresses: [email],
},
Message: {
Body: {
Html: {
Data: `<h1>${code}</h1><h2><a href="https://webaverse.com/login.html?email=${encodeURIComponent(email)}&code=${encodeURIComponent(code)}">Log in</a></h2>`
}
},
Subject: {
Data: `Verification code for Webaverse`
}
},
Source: "[email protected]"
};
const data = await ses.sendEmail(params).promise();
console.log('got response', data);
_respond(200, JSON.stringify({}));
} else {
_respond(429, JSON.stringify({}));
}
/* } else {
_respond(403, JSON.stringify({
error: 'email not whitelisted',
}));
} */
}
} else if (discordcode) {
if (discordIdTestRegex.test(discordid)) {
const codeItem = await ddb.getItem({
TableName: tableName,
Key: {
email: {S: discordid + '.code'},
}
}).promise();
console.log('check item', discordid, JSON.stringify(codeItem.Item, null, 2));
if (codeItem.Item && codeItem.Item.code.S === discordcode) {
await ddb.deleteItem({
TableName: tableName,
Key: {
email: {S: discordid + '.code'},
}
}).promise();
// generate
const tokenItem = await ddb.getItem({
TableName: tableName,
Key: {
email: {S: discordid + '.discordtoken'},
},
}).promise();
const tokens = (tokenItem.Item && tokenItem.Item.tokens) ? JSON.parse(tokenItem.Item.tokens.S) : [];
let name = (tokenItem.Item && tokenItem.Item.name) ? tokenItem.Item.name.S : null;
let mnemonic = (tokenItem.Item && tokenItem.Item.mnemonic) ? tokenItem.Item.mnemonic.S : null;
// let addr = (tokenItem.Item && tokenItem.Item.address) ? tokenItem.Item.address.S : null;
// console.log('old item', tokenItem, {tokens, mnemonic});
const token = crypto.randomBytes(32).toString('base64');
tokens.push(token);
while (tokens.length > 10) {
tokens.shift();
}
if (!name) {
name = namegen(2).join('-');
}
if (!mnemonic) {
mnemonic = bip39.generateMnemonic();
/* const wallet = hdkey.fromMasterSeed(bip39.mnemonicToSeedSync(mnemonic)).derivePath(`m/44'/60'/0'/0/0`).getWallet();
addr = wallet.getAddressString(); */
}
await ddb.putItem({
TableName: tableName,
Item: {
email: {S: discordid + '.discordtoken'},
mnemonic: {S: mnemonic},
// address: {S: addr},
}
}).promise();
// respond
_setCorsHeaders(res);
res.end(JSON.stringify({mnemonic}));
} else {
_respond(403, JSON.stringify({
error: 'invalid code',
}));
}
} else {
const proxyReq = await https.request({
method: 'POST',
host: 'discord.com',
path: '/api/oauth2/token',
headers: {
// Accept: 'application/json',
'Content-Type': 'application/x-www-form-urlencoded',
// 'User-Agent': 'exokit-server',
},
}, async proxyRes => {
const discordOauthState = await new Promise((accept, reject) => {
const bs = [];
proxyRes.on('data', b => {
bs.push(b);
});
proxyRes.on('end', () => {
accept(JSON.parse(Buffer.concat(bs).toString('utf8')));
});
proxyRes.on('error', err => {
reject(err);
});
});
const {access_token} = discordOauthState;
const proxyReq2 = await https.request({
host: 'discord.com',
path: '/api/users/@me',
headers: {
Authorization: `Bearer ${access_token}`,
},
}, async proxyRes2 => {
const j = await new Promise((accept, reject) => {
const bs = [];
proxyRes2.on('data', b => {
bs.push(b);
});
proxyRes2.on('end', () => {
accept(JSON.parse(Buffer.concat(bs).toString('utf8')));
});
proxyRes2.on('error', err => {
reject(err);
});
});
const {id} = j;
if (id) {
const _getUser = async id => {
const tokenItem = await ddb.getItem({
TableName: tableName,
Key: {
email: {S: id + '.discordtoken'},
}
}).promise();
let mnemonic = (tokenItem.Item && tokenItem.Item.mnemonic) ? tokenItem.Item.mnemonic.S : null;
return {mnemonic};
};
const _genKey = async id => {
const mnemonic = bip39.generateMnemonic();
const wallet = hdkey.fromMasterSeed(bip39.mnemonicToSeedSync(mnemonic)).derivePath(`m/44'/60'/0'/0/0`).getWallet();
const address = wallet.getAddressString();
await ddb.putItem({
TableName: tableName,
Item: {
email: {S: id + '.discordtoken'},
mnemonic: {S: mnemonic},
address: {S: address},
}
}).promise();
return {mnemonic};
};
const user = await _getUser(id) || _genKey(id);
const {mnemonic} = user;
_setCorsHeaders(res);
res.end(JSON.stringify({mnemonic}));
} else {
console.warn('discord oauth failed', j);
_respond(403, JSON.stringify({
error: 'discord oauth failed',
}));
}
});
proxyReq2.end();
proxyReq2.on('error', err => {
_respond(500, JSON.stringify({
error: err.stack,
}));
});
});
const s = formurlencoded({
client_id: discordClientId,
client_secret: discordClientSecret,
code: discordcode,
grant_type: 'authorization_code',
scope: 'identify',
redirect_uri: redirect_uri || 'https://webaverse.com/login',
});
proxyReq.end(s);
proxyReq.on('error', err => {
_respond(500, JSON.stringify({
error: err.stack,
}));
});
}
} else if (twittercode) {
if (twitterIdTestRegex.test(twitterid)) {
const codeItem = await ddb.getItem({
TableName: tableName,
Key: {
email: {S: twitterid + '.code'},
}
}).promise();
console.log('check item', twitterid, JSON.stringify(codeItem.Item, null, 2));
if (codeItem.Item && codeItem.Item.code.S === twittercode) {
await ddb.deleteItem({
TableName: tableName,
Key: {
email: {S: twitterid + '.code'},
}
}).promise();
// generate
const tokenItem = await ddb.getItem({
TableName: tableName,
Key: {
email: {S: twitterid + '.twittertoken'},
},
}).promise();
const tokens = (tokenItem.Item && tokenItem.Item.tokens) ? JSON.parse(tokenItem.Item.tokens.S) : [];
let name = (tokenItem.Item && tokenItem.Item.name) ? tokenItem.Item.name.S : null;
let mnemonic = (tokenItem.Item && tokenItem.Item.mnemonic) ? tokenItem.Item.mnemonic.S : null;
// let addr = (tokenItem.Item && tokenItem.Item.address) ? tokenItem.Item.address.S : null;
// console.log('old item', tokenItem, {tokens, mnemonic});
const token = crypto.randomBytes(32).toString('base64');
tokens.push(token);
while (tokens.length > 10) {
tokens.shift();
}
if (!name) {
name = namegen(2).join('-');
}
if (!mnemonic) {
mnemonic = bip39.generateMnemonic();
/* const wallet = hdkey.fromMasterSeed(bip39.mnemonicToSeedSync(mnemonic)).derivePath(`m/44'/60'/0'/0/0`).getWallet();
addr = wallet.getAddressString(); */
}
await ddb.putItem({
TableName: tableName,
Item: {
email: {S: twitterid + '.twittertoken'},
mnemonic: {S: mnemonic},
// address: {S: addr},
}
}).promise();
// respond
_setCorsHeaders(res);
res.end(JSON.stringify({mnemonic}));
} else {
_respond(403, JSON.stringify({
error: 'Invalid code',
}));
}
} else {
_respond(403, JSON.stringify({
error: 'Invalid Twitter ID',
}));
}
} else if (signature && nonce) {
const proofOfAddressMessage = `Proof of address. Nonce: ` + nonce;
const {r, s, v} = ethereumJsUtil.fromRpcSig(signature);
const prefix = Buffer.from("\x19Ethereum Signed Message:\n");
const bs = [
prefix,
Buffer.from(String(proofOfAddressMessage.length)),
Buffer.from(proofOfAddressMessage),
];
const prefixedMsg = ethereumJsUtil.sha3(
'0x' + Buffer.concat(bs).toString('hex')
);
const pubKey = ethereumJsUtil.ecrecover(prefixedMsg, v, r, s);
const addrBuf = ethereumJsUtil.pubToAddress(pubKey);
const address = ethereumJsUtil.bufferToHex(addrBuf);
console.log('recovered signature 1', {address, nonce});
const nonceSeen = await (async () => {
const nonceKey = address + ':' + nonce + '.nonce';
const tokenItem = await ddb.getItem({
TableName: tableName,
Key: {
email: {S: nonceKey},
},
}).promise();
if (tokenItem.Item) {
return true;
} else {
await ddb.putItem({
TableName: tableName,
Item: {
email: {S: nonceKey},
used: {S: '1'},
}
}).promise();
return false;
}
})();
console.log('recovered signature 2', {address, nonce, nonceSeen});
if (!nonceSeen) {
const tokenItem = await ddb.getItem({
TableName: tableName,
Key: {
email: {S: address + '.address'},
},
}).promise();
let mnemonic = (tokenItem.Item && tokenItem.Item.mnemonic) ? tokenItem.Item.mnemonic.S : null;
// let addr = (tokenItem.Item && tokenItem.Item.address) ? tokenItem.Item.address.S : null;
if (!mnemonic) {
mnemonic = bip39.generateMnemonic();
}
await ddb.putItem({
TableName: tableName,
Item: {
email: {S: address + '.address'},
mnemonic: {S: mnemonic},
// address: {S: addr},
}
}).promise();
_setCorsHeaders(res);
res.end(JSON.stringify({mnemonic}));
} else {
_setCorsHeaders(res);
res.statusCode = 403;
res.end();
}
} else if (autoip) {
const ip = req.connection.remoteAddress;
if (autoip === 'src' && mnemonic) {
console.log('got remote address src', ip);
await ddb.putItem({
TableName: tableName,
Item: {
email: {S: ip + '.ipcode'},
mnemonic: {S: mnemonic},
timeout: {N: (Date.now() + 60*1000) + ''},
}
}).promise();
_respond(200, JSON.stringify({
ip,
}));
} else if (autoip === 'dst') {
console.log('got remote address dst', ip);
const codeItem = await ddb.getItem({
TableName: tableName,
Key: {
email: {S: ip + '.ipcode'},
}
}).promise();
console.log('check item', ip, JSON.stringify(codeItem.Item, null, 2));
if (codeItem.Item && codeItem.Item.mnemonic.S && Date.now() < +new Date(parseInt(codeItem.Item.timeout.N))) {
await ddb.deleteItem({
TableName: tableName,
Key: {
email: {S: ip + '.ipcode'},
}
}).promise();
const mnemonic = codeItem.Item.mnemonic.S;
_setCorsHeaders(res);
res.end(JSON.stringify({mnemonic}));
} else {
_respond(400, JSON.stringify({
error: 'invalid autoip src',
}));
}
} else {
_respond(400, JSON.stringify({
error: 'invalid autoip parameters',
}));
}
} else {
_respond(400, JSON.stringify({
error: 'invalid parameters',
}));
}
} else {
_respond(400, JSON.stringify({
error: 'invalid method',
}));
}
} catch(err) {
console.warn(err);
_respond(500, JSON.stringify({
error: err.stack,
}));
}
};
/* const MAX_SIZE = 50 * 1024 * 1024;
const _handleIpfs = async (req, res) => {
const _respond = (statusCode, body) => {
res.statusCode = statusCode;
res.setHeader('Access-Control-Allow-Origin', '*');
res.end(body);
};
const _setCorsHeaders = res => {
res.setHeader('Access-Control-Allow-Origin', '*');
res.setHeader('Access-Control-Allow-Headers', '*');
res.setHeader('Access-Control-Allow-Methods', '*');
};
try {
const {method} = req;
const {query, pathname: p} = url.parse(req.url, true);
// console.log('got ethereum', {method, p, query});
if (method === 'GET') {
const match = req.url.match(/^(?:\/ipfs)?\/([a-z0-9]+)(?:\/(.*))?$/i);
if (match) {
const proxy = httpProxy.createProxyServer({});
req.url = '/ipfs/' + match[1];
proxy
.web(req, res, {
target: 'http://127.0.0.1:8080',
// secure: false,
changeOrigin: true,
}, err => {
console.warn(err.stack);
res.statusCode = 500;
res.end();
});
} else {
res.statusCode = 404;
res.end();
}
} else if (method === 'POST') {
const form = new FormData();
form.append('file', req);
form.submit('http://127.0.0.1:5001/api/v0/add', function(err, proxyRes) {
if (!err) {
if (proxyRes.statusCode >= 200 && proxyRes.statusCode < 300) {
const bs = [];
proxyRes.on('data', function(d) {
bs.push(d);
});
proxyRes.on('end', function() {
const b = Buffer.concat(bs);
const s = b.toString('utf8');
const j = JSON.parse(s);
const {Hash} = j;
res.end(Hash);
});
} else {
res.statusCode = proxyRes.statusCode;
proxyRes.pipe(res);
}
} else {
res.statusCode = 500;
res.end(err.stack);
}
});
} else {
_respond(500, JSON.stringify({
error: err.stack,
}));
}
} catch(err) {
console.warn(err);
_respond(500, JSON.stringify({
error: err.stack,
}));
}
}; */
const _handleEthereum = port => async (req, res) => { // XXX make this per-port
const _respond = (statusCode, body) => {
res.statusCode = statusCode;
res.setHeader('Access-Control-Allow-Origin', '*');
res.end(body);
};
const _setCorsHeaders = res => {
res.setHeader('Access-Control-Allow-Origin', '*');
res.setHeader('Access-Control-Allow-Headers', '*');
res.setHeader('Access-Control-Allow-Methods', '*');
};
try {