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app.js
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app.js
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#!/usr/bin/env node
'use strict';
const os = require('os');
const path = require('path');
const dotenv = require("dotenv");
const fs = require('fs');
var configPaths = [ path.join(os.homedir(), '.lndash', '.env'), path.join(process.cwd(), '.env') ];
configPaths.filter(fs.existsSync).forEach(path => {
console.log('Loading env file:', path);
dotenv.config({ path });
});
// debug module is already loaded by the time we do dotenv.config
// so refresh the status of DEBUG env var
const debug = require("debug");
debug.enable(process.env.DEBUG);
const debugLog = debug("lndash:app");
const axios = require("axios");
const express = require('express');
const favicon = require('serve-favicon');
const logger = require('morgan');
const cookieParser = require('cookie-parser');
const bodyParser = require('body-parser');
const session = require("express-session");
const config = require("./app/config.js");
const simpleGit = require('simple-git');
const utils = require("./app/utils.js");
const moment = require("moment");
const Decimal = require('decimal.js');
const grpc = require("@grpc/grpc-js");
const asyncHandler = require("express-async-handler");
const pug = require("pug");
const momentDurationFormat = require("moment-duration-format");
const coinConfig = require("./app/btcCoinConfig.js");
const qrcode = require("qrcode");
const rpcApi = require("./app/rpcApi.js");
const runes = require("runes");
const semver = require("semver");
require("./app/currencies.js");
//import latestVersion from 'latest-version';
const package_json = require('./package.json');
global.appVersion = package_json.version;
global.cacheId = global.appVersion;
debugLog(`Default cacheId '${global.cacheId}'`);
debugLog(`Starting LNDash, v${global.appVersion}`);
process.on("unhandledRejection", (reason, p) => {
utils.logError("239780g37gtd", reason, {type:"Unhandled rejection", promise:p});
});
const crawlerBotUserAgentStrings = [ "Googlebot", "Bingbot", "Slurp", "DuckDuckBot", "Baiduspider", "YandexBot", "Sogou", "Exabot", "facebot", "ia_archiver" ];
const baseRouter = require("./routes/baseRouter.js");
const utilRouter = require("./routes/utilRouter.js");
const app = express();
// view engine setup
app.set('views', path.join(__dirname, 'views'));
// ref: https://blog.stigok.com/post/disable-pug-debug-output-with-expressjs-web-app
app.engine('pug', (path, options, fn) => {
options.debug = false;
return pug.__express.call(null, path, options, fn);
});
app.set('view engine', 'pug');
app.disable('x-powered-by');
// uncomment after placing your favicon in /public
//app.use(favicon(__dirname + '/public/favicon.ico'));
//app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(session({
secret: config.cookieSecret,
resave: false,
saveUninitialized: false
}));
app.use(express.static(path.join(__dirname, 'public')));
async function getSourcecodeProjectMetadata() {
var options = {
url: "https://api.github.com/repos/janoside/lndash",
headers: {
'User-Agent': 'axios'
}
};
// github project metadata
try {
const response = await axios(options);
global.sourcecodeProjectMetadata = response.data;
} catch (err) {
utils.logError("239r7hsdgss", err);
}
}
app.runOnStartup = async () => {
global.packageRootDir = __dirname;
global.userDataDir = path.join(os.homedir(), ".lndash");
if (!fs.existsSync(global.userDataDir)){
fs.mkdirSync(global.userDataDir);
}
/*latestVersion("lndash").then(function(latestAppVersion) {
if (semver.gt(latestAppVersion, global.appVersion)) {
global.newAppVersion = latestAppVersion;
debugLog("New version of LNDash available: v%s", global.newAppVersion);
}
});*/
global.config = config;
global.coinConfig = coinConfig;
if (config.donationAddresses) {
var getDonationAddressQrCode = function(coinId) {
qrcode.toDataURL(config.donationAddresses[coinId].address, function(err, url) {
global.donationAddressQrCodeUrls[coinId] = url;
});
};
global.donationAddressQrCodeUrls = {};
config.donationAddresses.coins.forEach(function(item) {
getDonationAddressQrCode(item);
});
}
// git metadata
if (global.sourcecodeVersion == null && fs.existsSync('.git')) {
try {
let log = await simpleGit(".").log(["-n 1"]);
global.sourcecodeVersion = log.all[0].hash.substring(0, 10);
global.sourcecodeDate = log.all[0].date.substring(0, "0000-00-00".length);
global.cacheId = `${global.sourcecodeDate}-${global.sourcecodeVersion}`;
debugLog(`Using sourcecode metadata as cacheId: '${global.cacheId}'`);
debugLog(`Starting ${config.siteInfo.title}, v${global.appVersion} (commit: '${global.sourcecodeVersion}', date: ${global.sourcecodeDate})`);
} catch (err) {
utils.logError("3fehge9ee", err, {desc:"Error accessing git repo"});
global.cacheId = global.appVersion;
debugLog(`Error getting sourcecode version, continuing to use default cacheId '${global.cacheId}'`);
debugLog(`Starting ${config.siteInfo.title}, v${global.appVersion} (code: unknown commit)`);
}
}
getSourcecodeProjectMetadata();
setInterval(getSourcecodeProjectMetadata, 3 * 3600000);
// exchange rates
utils.refreshExchangeRates();
setInterval(utils.refreshExchangeRates, 30 * 60000);
// refresh periodically
setInterval(function() {
if (global.lndRpc != null) {
rpcApi.refreshCachedValues();
}
}, 60000);
global.lndConnections = {
byIndex: {},
byAlias: {},
aliases:[],
indexes:[]
};
global.userPreferences = {};
if (fs.existsSync(path.join(global.userDataDir, "credentials.json"))) {
if (fs.existsSync(path.join(global.userDataDir, ".debugAdminPassword"))) {
global.adminPassword = fs.readFileSync(path.join(global.userDataDir, ".debugAdminPassword"), "utf8").trim();
}
debugLog("Loading admin credentials");
global.adminCredentials = utils.loadAdminCredentials(global.adminPassword);
if (global.adminPassword) {
if (fs.existsSync(path.join(global.userDataDir, "preferences.json"))) {
global.userPreferences = utils.loadPreferences(global.adminPassword);
}
if (global.adminCredentials.lndNodes == null || global.adminCredentials.lndNodes.length == 0) {
global.setupNeeded = true;
} else {
rpcApi.connectAllNodes();
}
}
} else {
global.setupNeeded = true;
}
};
app.use(asyncHandler(async (req, res, next) => {
try {
if (global.setupNeeded) {
if (global.adminPassword != null) {
if (!req.path.startsWith("/manage-nodes")) {
res.redirect("/manage-nodes?setup=true");
return;
}
} else if (!req.path.startsWith("/setup")) {
res.redirect("/setup");
return;
}
} else if (!global.adminPassword) {
if (!req.path.startsWith("/login")) {
res.redirect("/login");
return;
}
}
res.locals.setupNeeded = global.setupNeeded;
// make session available in templates
res.locals.session = req.session;
req.session.loginRedirect = req.headers.referer;
res.locals.admin = false;
req.session.userErrors = [];
res.locals.config = global.config;
res.locals.coinConfig = global.coinConfig;
res.locals.pageErrors = [];
res.locals.req = req;
var userAgent = req.headers['user-agent'];
for (var i = 0; i < crawlerBotUserAgentStrings.length; i++) {
if (userAgent.indexOf(crawlerBotUserAgentStrings[i]) != -1) {
res.locals.crawlerBot = true;
}
}
var userSettings = [
{name:"displayCurrency", default:"BTC"},
{name:"localCurrency", default:"USD"},
{name:"uiTheme", default:""},
{name:"hideHomepageBanner", default:""},
];
userSettings.forEach(function(userSetting) {
if (!req.session[userSetting.name]) {
var cookieValue = req.cookies[`user-setting-${userSetting.name}`];
if (cookieValue) {
req.session[userSetting.name] = cookieValue;
} else {
req.session[userSetting.name] = userSetting.default;
}
}
res.locals[userSetting.name] = req.session[userSetting.name];
});
if (req.session.userMessage) {
res.locals.userMessage = req.session.userMessage;
if (req.session.userMessageType) {
res.locals.userMessageType = req.session.userMessageType;
} else {
res.locals.userMessageType = "info";
}
req.session.userMessage = null;
req.session.userMessageType = null;
}
if (req.session.userErrors && req.session.userErrors.length > 0) {
res.locals.userErrors = req.session.userErrors;
req.session.userErrors = null;
}
if (req.session.query) {
res.locals.query = req.session.query;
req.session.query = null;
}
// make some var available to all requests
// ex: req.cheeseStr = "cheese";
if (global.lndRpc != null) {
res.locals.fullNetworkDescription = await rpcApi.getFullNetworkDescription(true);
res.locals.localChannels = await rpcApi.getLocalChannels(true);
res.locals.localClosedChannels = await rpcApi.getLocalClosedChannels(true);
res.locals.localPendingChannels = await rpcApi.getLocalPendingChannels(true);
}
next();
} catch (err) {
utils.logError("89032grwehusd", err);
next(err);
}
}));
app.use('/', baseRouter);
app.use('/util', utilRouter);
/// catch 404 and forwarding to error handler
app.use(function(req, res, next) {
var err = new Error('Not Found');
err.status = 404;
next(err);
});
/// error handlers
// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: err
});
});
}
// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: {}
});
});
app.locals.moment = moment;
app.locals.Decimal = Decimal;
app.locals.utils = utils;
app.locals.runes = runes;
app.locals.assetUrl = (path) => {
// trim off leading "./"
let normalizedPath = path.substring(2);
//console.log("assetUrl: " + path + " -> " + normalizedPath);
//if (config.cdn.active && cdnFilepathMap[normalizedPath]) {
// return `${config.cdn.baseUrl}/${global.cacheId}/${normalizedPath}`;
//} else {
return `${path}?v=${global.cacheId}`;
//}
};
// debug setting to skip js/css integrity checks
const skipIntegrityChecks = false;
const resourceIntegrityHashes = require("./app/resourceIntegrityHashes.js");
app.locals.assetIntegrity = (filename) => {
if (!skipIntegrityChecks && resourceIntegrityHashes[filename]) {
return resourceIntegrityHashes[filename];
} else {
return "";
}
};
module.exports = app;