WIP reconnect on network change
This commit is contained in:
parent
d8aedb39c2
commit
9b0d758a8b
203
bin/telebitd.js
203
bin/telebitd.js
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@ -14,6 +14,8 @@ var YAML = require('js-yaml');
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var recase = require('recase').create({});
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var camelCopy = recase.camelCopy.bind(recase);
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var snakeCopy = recase.snakeCopy.bind(recase);
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var TelebitRemote = require('../').TelebitRemote;
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var state = { homedir: os.homedir(), servernames: {}, ports: {} };
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var argv = process.argv.slice(2);
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@ -680,27 +682,25 @@ function serveControlsHelper() {
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}
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function serveControls() {
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serveControlsHelper();
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if (state.config.disable) {
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console.info("[info] starting disabled");
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serveControlsHelper();
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return;
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}
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if (!(state.config.relay && (state.config.token || state.config.pretoken))) {
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console.info("[info] waiting for init/authentication (missing relay and/or token)");
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serveControlsHelper();
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return;
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}
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console.info("[info] connecting with stored token");
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startTelebitRemote(function (err/*, _tun*/) {
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if (err) { throw err; }
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//if (_tun) { myRemote = _tun; }
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setTimeout(function () {
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// TODO attach handler to tunnel
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serveControlsHelper();
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}, 150);
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});
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function tryAgain() {
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startTelebitRemote(function (err) {
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if (err) { console.error('error starting (probably internet)', err); setTimeout(tryAgain, 5 * 1000); }
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});
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}
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tryAgain();
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}
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function parseConfig(err, text) {
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@ -762,80 +762,52 @@ function parseConfig(err, text) {
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}
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}
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function approveDomains(opts, certs, cb) {
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// Even though it's being tunneled by a trusted source
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// we need to make sure we don't get rate-limit spammed
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// with wildcard domains
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// TODO: finish implementing dynamic dns for wildcard certs
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if (getServername(state.servernames, opts.domains[0])) {
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opts.email = state.greenlockConf.email || state.config.email;
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opts.agreeTos = state.greenlockConf.agree || state.greenlockConf.agreeTos || state.config.agreeTos;
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cb(null, { options: opts, certs: certs });
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return;
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}
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cb(new Error("servername not found in allowed list"));
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}
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function greenlockHelper() {
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// TODO Check undefined vs false for greenlock config
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state.greenlockConf = state.config.greenlock || {};
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state.greenlockConfig = {
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version: state.greenlockConf.version || 'draft-11'
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, server: state.greenlockConf.server || 'https://acme-v02.api.letsencrypt.org/directory'
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, communityMember: state.greenlockConf.communityMember || state.config.communityMember
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, telemetry: state.greenlockConf.telemetry || state.config.telemetry
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, configDir: state.greenlockConf.configDir
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|| (state.config.root && path.join(state.config.root, 'etc/acme'))
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|| path.join(os.homedir(), '.config/telebit/acme')
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// TODO, store: require(state.greenlockConf.store.name || 'le-store-certbot').create(state.greenlockConf.store.options || {})
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, approveDomains: approveDomains
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};
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state.insecure = state.config.relay_ignore_invalid_certificates;
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}
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function startTelebitRemote(rawCb) {
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if (state.config.disable || !state.config.relay || !(state.config.token || state.config.agreeTos)) {
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rawCb(null, null);
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return;
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}
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state.relay = state.config.relay;
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if (!state.relay) {
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rawCb(new Error("'" + state._confpath + "' is missing 'relay'"));
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return;
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}
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if (!(state.token || state.pretoken)) {
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rawCb(null, null);
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return;
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}
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if (myRemote) {
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rawCb(null, myRemote);
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return;
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}
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// get the wss url
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common.api.wss(state, function (err, wss) {
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if (err) { rawCb(err); return; }
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state.wss = wss;
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console.log('DEBUG startTelebitRemote');
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function startHelper() {
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console.log('DEBUG startHelper');
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greenlockHelper();
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// Saves the token
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// state.handlers.access_token({ jwt: token });
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// Adds the token to the connection
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// tun.append(token);
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state.greenlockConf = state.config.greenlock || {};
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state.sortingHat = state.config.sortingHat;
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// TODO sortingHat.print(); ?
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// TODO Check undefined vs false for greenlock config
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var TelebitRemote = require('../').TelebitRemote;
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state.greenlockConfig = {
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version: state.greenlockConf.version || 'draft-11'
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, server: state.greenlockConf.server || 'https://acme-v02.api.letsencrypt.org/directory'
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, communityMember: state.greenlockConf.communityMember || state.config.communityMember
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, telemetry: state.greenlockConf.telemetry || state.config.telemetry
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, configDir: state.greenlockConf.configDir
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|| (state.config.root && path.join(state.config.root, 'etc/acme'))
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|| path.join(os.homedir(), '.config/telebit/acme')
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// TODO, store: require(state.greenlockConf.store.name || 'le-store-certbot').create(state.greenlockConf.store.options || {})
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, approveDomains: function (opts, certs, cb) {
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// Certs being renewed are listed in certs.altnames
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if (certs) {
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opts.domains = certs.altnames;
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cb(null, { options: opts, certs: certs });
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return;
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}
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// Even though it's being tunneled by a trusted source
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// we need to make sure we don't get rate-limit spammed
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// with wildcard domains
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// TODO: finish implementing dynamic dns for wildcard certs
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if (getServername(state.servernames, opts.domains[0])) {
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opts.email = state.greenlockConf.email || state.config.email;
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opts.agreeTos = state.greenlockConf.agree || state.greenlockConf.agreeTos || state.config.agreeTos;
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cb(null, { options: opts, certs: certs });
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return;
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}
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//cb(new Error("servername not found in allowed list"));
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}
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};
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state.insecure = state.config.relay_ignore_invalid_certificates;
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// { relay, config, servernames, ports, sortingHat, net, insecure, token, handlers, greenlockConfig }
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function onError(err) {
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myRemote = null;
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console.log('DEBUG err', err);
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// Likely causes:
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// * DNS lookup failed (no Internet)
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// * Rejected (bad authn)
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@ -843,7 +815,7 @@ function startTelebitRemote(rawCb) {
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// DNS issue, probably network is disconnected
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setTimeout(function () {
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startTelebitRemote(rawCb);
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}, 90 * 1000);
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}, 10 * 1000);
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return;
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}
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if ('function' === typeof rawCb) {
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@ -854,12 +826,14 @@ function startTelebitRemote(rawCb) {
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}
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}
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console.log("[DEBUG] token", typeof token, token);
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//state.sortingHat = state.config.sortingHat;
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// { relay, config, servernames, ports, sortingHat, net, insecure, token, handlers, greenlockConfig }
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myRemote = TelebitRemote.createConnection({
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relay: state.relay
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, wss: state.wss
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, config: state.config
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, otp: state.otp
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, sortingHat: state.sortingHat
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, sortingHat: state.config.sortingHat
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, net: state.net
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, insecure: state.insecure
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, token: state.token || state.pretoken // instance
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@ -868,10 +842,83 @@ function startTelebitRemote(rawCb) {
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, handlers: state.handlers
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, greenlockConfig: state.greenlockConfig
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}, function () {
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console.log('DEBUG on connect');
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myRemote.removeListener('error', onError);
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myRemote.once('error', retryLoop);
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rawCb(null, myRemote);
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});
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function retryLoop() {
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// disconnected somehow
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myRemote.destroy();
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myRemote = null;
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setTimeout(function () {
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startTelebitRemote(function () {});
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}, 10 * 1000);
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}
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myRemote.once('error', onError);
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myRemote.once('close', retryLoop);
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myRemote.on('grant', state.handlers.grant);
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myRemote.on('access_token', state.handlers.access_token);
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}
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if (state.config.disable || !state.config.relay || !(state.config.token || state.config.agreeTos)) {
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console.log('DEBUG disabled or incapable');
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rawCb(null, null);
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return;
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}
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state.relay = state.config.relay;
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if (!state.relay) {
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console.log('DEBUG no relay');
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rawCb(new Error("'" + state._confpath + "' is missing 'relay'"));
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return;
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}
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if (!(state.token || state.pretoken)) {
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console.log('DEBUG no token');
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rawCb(null, null);
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return;
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}
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if (myRemote) {
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console.log('DEBUG has remote');
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rawCb(null, myRemote);
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return;
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}
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if (state.wss) {
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startHelper();
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return;
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}
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// get the wss url
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function retryWssLoop(err) {
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myRemote = null;
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if (!err) {
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startHelper();
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return;
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}
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if ('ENOTFOUND' === err.code) {
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// The internet is disconnected
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// try again, and again, and again
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setTimeout(function () {
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startTelebitRemote(rawCb);
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}, 2 * 1000);
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return;
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}
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rawCb(err);
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return;
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}
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common.api.wss(state, function onWss(err, wss) {
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if (err) {
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retryWssLoop(err);
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return;
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}
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state.wss = wss;
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startHelper();
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});
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}
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458
lib/remote.js
458
lib/remote.js
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@ -27,14 +27,16 @@ function TelebitRemote(state) {
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}
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EventEmitter.call(this);
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var me = this;
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var priv = {};
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var defaultHttpTimeout = (2 * 60);
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var activityTimeout = state.activityTimeout || (defaultHttpTimeout - 5) * 1000;
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//var defaultHttpTimeout = (2 * 60);
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//var activityTimeout = state.activityTimeout || (defaultHttpTimeout - 5) * 1000;
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var activityTimeout = 6 * 1000;
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var pongTimeout = state.pongTimeout || 10*1000;
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// Allow the tunnel client to be created with no token. This will prevent the connection from
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// being established initialy and allows the caller to use `.append` for the first token so
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// they can get a promise that will provide feedback about invalid tokens.
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var tokens = [];
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priv.tokens = [];
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var auth;
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if(!state.sortingHat) {
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state.sortingHat = "./sorting-hat.js";
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@ -43,7 +45,7 @@ function TelebitRemote(state) {
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if ('undefined' === state.token) {
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throw new Error("passed string 'undefined' as token");
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}
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tokens.push(state.token);
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priv.tokens.push(state.token);
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}
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var wstunneler;
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@ -51,11 +53,11 @@ function TelebitRemote(state) {
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var authsent = false;
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var initialConnect = true;
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var localclients = {};
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priv.localclients = {};
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var pausedClients = [];
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var clientHandlers = {
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add: function (conn, cid, tun) {
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localclients[cid] = conn;
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priv.localclients[cid] = conn;
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console.info("[connect] new client '" + cid + "' for '" + tun.name + ":" + tun.serviceport + "' "
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+ "(" + clientHandlers.count() + " clients)");
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@ -80,9 +82,9 @@ function TelebitRemote(state) {
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// down the data we are getting to send over. We also want to pause all active connections
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// if any connections are paused to make things more fair so one connection doesn't get
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// stuff waiting for all other connections to finish because it tried writing near the border.
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var bufSize = wsHandlers.sendMessage(Packer.packHeader(tun, chunk));
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var bufSize = sendMessage(Packer.packHeader(tun, chunk));
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// Sending 2 messages instead of copying the buffer
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var bufSize2 = wsHandlers.sendMessage(chunk);
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var bufSize2 = sendMessage(chunk);
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if (pausedClients.length || (bufSize + bufSize2) > 1024*1024) {
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// console.log('[onLocalData] paused connection', cid, 'to allow websocket to catch up');
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conn.pause();
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@ -95,7 +97,7 @@ function TelebitRemote(state) {
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console.info("[onLocalEnd] connection '" + cid + "' ended, will probably close soon");
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conn.tunnelClosing = true;
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if (!sentEnd) {
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wsHandlers.sendMessage(Packer.packHeader(tun, null, 'end'));
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sendMessage(Packer.packHeader(tun, null, 'end'));
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sentEnd = true;
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}
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});
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@ -103,22 +105,22 @@ function TelebitRemote(state) {
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console.info("[onLocalError] connection '" + cid + "' errored:", err);
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if (!sentEnd) {
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var packBody = true;
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wsHandlers.sendMessage(Packer.packHeader(tun, {message: err.message, code: err.code}, 'error', packBody));
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sendMessage(Packer.packHeader(tun, {message: err.message, code: err.code}, 'error', packBody));
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sentEnd = true;
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}
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});
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conn.on('close', function onLocalClose(hadErr) {
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delete localclients[cid];
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delete priv.localclients[cid];
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console.log('[onLocalClose] closed "' + cid + '" read:'+conn.tunnelRead+', wrote:'+conn.tunnelWritten+' (' + clientHandlers.count() + ' clients)');
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if (!sentEnd) {
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wsHandlers.sendMessage(Packer.packHeader(tun, null, hadErr && 'error' || 'end'));
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sendMessage(Packer.packHeader(tun, null, hadErr && 'error' || 'end'));
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sentEnd = true;
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}
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});
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}
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, write: function (cid, opts) {
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var conn = localclients[cid];
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var conn = priv.localclients[cid];
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if (!conn) {
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return false;
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}
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@ -136,12 +138,12 @@ function TelebitRemote(state) {
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if (!conn.remotePaused && conn.bufferSize > 1024*1024) {
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var packBody = true;
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wsHandlers.sendMessage(Packer.packHeader(opts, conn.tunnelRead, 'pause', packBody));
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sendMessage(Packer.packHeader(opts, conn.tunnelRead, 'pause', packBody));
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conn.remotePaused = true;
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conn.once('drain', function () {
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var packBody = true;
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wsHandlers.sendMessage(Packer.packHeader(opts, conn.tunnelRead, 'resume', packBody));
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sendMessage(Packer.packHeader(opts, conn.tunnelRead, 'resume', packBody));
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conn.remotePaused = false;
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});
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}
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@ -149,13 +151,13 @@ function TelebitRemote(state) {
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}
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, closeSingle: function (cid) {
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if (!localclients[cid]) {
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if (!priv.localclients[cid]) {
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return;
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}
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console.log('[closeSingle]', cid);
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PromiseA.resolve().then(function () {
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var conn = localclients[cid];
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var conn = priv.localclients[cid];
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conn.tunnelClosing = true;
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conn.end();
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@ -173,41 +175,49 @@ function TelebitRemote(state) {
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});
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});
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}).then(function () {
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if (localclients[cid]) {
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if (priv.localclients[cid]) {
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console.warn('[closeSingle]', cid, 'connection still present after calling `end`');
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localclients[cid].destroy();
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priv.localclients[cid].destroy();
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return timeoutPromise(500);
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}
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}).then(function () {
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if (localclients[cid]) {
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if (priv.localclients[cid]) {
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console.error('[closeSingle]', cid, 'connection still present after calling `destroy`');
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delete localclients[cid];
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delete priv.localclients[cid];
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}
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}).catch(function (err) {
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console.error('[closeSingle] failed to close connection', cid, err.toString());
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delete localclients[cid];
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delete priv.localclients[cid];
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});
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}
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, closeAll: function () {
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console.log('[closeAll]');
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Object.keys(localclients).forEach(function (cid) {
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Object.keys(priv.localclients).forEach(function (cid) {
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clientHandlers.closeSingle(cid);
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});
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}
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, count: function () {
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return Object.keys(localclients).length;
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return Object.keys(priv.localclients).length;
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}
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};
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var pendingCommands = {};
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function sendMessage(msg) {
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// There is a chance that this occurred after the websocket was told to close
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// and before it finished, in which case we don't need to log the error.
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if (wstunneler.readyState !== wstunneler.CLOSING) {
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wstunneler.send(msg, {binary: true});
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return wstunneler.bufferedAmount;
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}
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}
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function sendCommand(name) {
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var id = Math.ceil(1e9 * Math.random());
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var cmd = [id, name].concat(Array.prototype.slice.call(arguments, 1));
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if (state.debug) { console.log('[DEBUG] command sending', cmd); }
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||||
|
||||
var packBody = true;
|
||||
wsHandlers.sendMessage(Packer.packHeader(null, cmd, 'control', packBody));
|
||||
sendMessage(Packer.packHeader(null, cmd, 'control', packBody));
|
||||
setTimeout(function () {
|
||||
if (pendingCommands[id]) {
|
||||
console.warn('command', name, id, 'timed out');
|
||||
|
|
@ -230,24 +240,6 @@ function TelebitRemote(state) {
|
|||
});
|
||||
}
|
||||
|
||||
function sendAllTokens() {
|
||||
if (auth) {
|
||||
authsent = true;
|
||||
sendCommand('auth', auth).catch(function (err) { console.error('1', err); });
|
||||
}
|
||||
tokens.forEach(function (jwtoken) {
|
||||
if (state.debug) { console.log('[DEBUG] send token'); }
|
||||
authsent = true;
|
||||
sendCommand('add_token', jwtoken)
|
||||
.catch(function (err) {
|
||||
console.error('failed re-adding token', jwtoken, 'after reconnect', err);
|
||||
// Not sure if we should do something like remove the token here. It worked
|
||||
// once or it shouldn't have stayed in the list, so it's less certain why
|
||||
// it would have failed here.
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
function noHandler(cmd) {
|
||||
console.warn("[telebit] state.handlers['" + cmd[1] + "'] not set");
|
||||
console.warn(cmd[2]);
|
||||
|
|
@ -303,7 +295,21 @@ function TelebitRemote(state) {
|
|||
|
||||
if (cmd[1] === 'hello') {
|
||||
if (state.debug) { console.log('[DEBUG] hello received'); }
|
||||
sendAllTokens();
|
||||
if (auth) {
|
||||
authsent = true;
|
||||
sendCommand('auth', auth).catch(function (err) { console.error('1', err); });
|
||||
}
|
||||
priv.tokens.forEach(function (jwtoken) {
|
||||
if (state.debug) { console.log('[DEBUG] send token'); }
|
||||
authsent = true;
|
||||
sendCommand('add_token', jwtoken)
|
||||
.catch(function (err) {
|
||||
console.error('failed re-adding token', jwtoken, 'after reconnect', err);
|
||||
// Not sure if we should do something like remove the token here. It worked
|
||||
// once or it shouldn't have stayed in the list, so it's less certain why
|
||||
// it would have failed here.
|
||||
});
|
||||
});
|
||||
if (connCallback) {
|
||||
connCallback();
|
||||
}
|
||||
|
|
@ -331,7 +337,7 @@ function TelebitRemote(state) {
|
|||
}
|
||||
|
||||
var packBody = true;
|
||||
wsHandlers.sendMessage(Packer.packHeader(null, [-cmd[0], err], 'control', packBody));
|
||||
sendMessage(Packer.packHeader(null, [-cmd[0], err], 'control', packBody));
|
||||
}
|
||||
|
||||
, onconnection: function (tun) {
|
||||
|
|
@ -369,28 +375,28 @@ function TelebitRemote(state) {
|
|||
|
||||
, onpause: function (opts) {
|
||||
var cid = Packer.addrToId(opts);
|
||||
if (localclients[cid]) {
|
||||
console.log("[TunnelPause] pausing '"+cid+"', remote received", opts.data.toString(), 'of', localclients[cid].tunnelWritten, 'sent');
|
||||
localclients[cid].manualPause = true;
|
||||
localclients[cid].pause();
|
||||
if (priv.localclients[cid]) {
|
||||
console.log("[TunnelPause] pausing '"+cid+"', remote received", opts.data.toString(), 'of', priv.localclients[cid].tunnelWritten, 'sent');
|
||||
priv.localclients[cid].manualPause = true;
|
||||
priv.localclients[cid].pause();
|
||||
} else {
|
||||
console.log('[TunnelPause] remote tried pausing finished connection', cid);
|
||||
// Often we have enough latency that we've finished sending before we're told to pause, so
|
||||
// don't worry about sending back errors, since we won't be sending data over anyway.
|
||||
// var packBody = true;
|
||||
// wsHandlers.sendMessage(Packer.packHeader(opts, {message: 'no matching connection', code: 'E_NO_CONN'}, 'error', packBody));
|
||||
// sendMessage(Packer.packHeader(opts, {message: 'no matching connection', code: 'E_NO_CONN'}, 'error', packBody));
|
||||
}
|
||||
}
|
||||
, onresume: function (opts) {
|
||||
var cid = Packer.addrToId(opts);
|
||||
if (localclients[cid]) {
|
||||
console.log("[TunnelResume] resuming '"+cid+"', remote received", opts.data.toString(), 'of', localclients[cid].tunnelWritten, 'sent');
|
||||
localclients[cid].manualPause = false;
|
||||
localclients[cid].resume();
|
||||
if (priv.localclients[cid]) {
|
||||
console.log("[TunnelResume] resuming '"+cid+"', remote received", opts.data.toString(), 'of', priv.localclients[cid].tunnelWritten, 'sent');
|
||||
priv.localclients[cid].manualPause = false;
|
||||
priv.localclients[cid].resume();
|
||||
} else {
|
||||
console.log('[TunnelResume] remote tried resuming finished connection', cid);
|
||||
// var packBody = true;
|
||||
// wsHandlers.sendMessage(Packer.packHeader(opts, {message: 'no matching connection', code: 'E_NO_CONN'}, 'error', packBody));
|
||||
// sendMessage(Packer.packHeader(opts, {message: 'no matching connection', code: 'E_NO_CONN'}, 'error', packBody));
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -407,56 +413,73 @@ function TelebitRemote(state) {
|
|||
|
||||
, _onConnectError: function (cid, opts, err) {
|
||||
console.info("[_onConnectError] opening '" + cid + "' failed because " + err.message);
|
||||
wsHandlers.sendMessage(Packer.packHeader(opts, null, 'error'));
|
||||
sendMessage(Packer.packHeader(opts, null, 'error'));
|
||||
}
|
||||
};
|
||||
|
||||
var lastActivity;
|
||||
var timeoutId;
|
||||
var wsHandlers = {
|
||||
refreshTimeout: function () {
|
||||
lastActivity = Date.now();
|
||||
priv.timeoutId = null;
|
||||
priv.lastActivity = Date.now();
|
||||
priv.refreshTimeout = function refreshTimeout() {
|
||||
priv.lastActivity = Date.now();
|
||||
};
|
||||
priv.checkTimeout = function checkTimeout() {
|
||||
if (!wstunneler) {
|
||||
console.warn('checkTimeout called when websocket already closed');
|
||||
return;
|
||||
}
|
||||
, checkTimeout: function () {
|
||||
if (!wstunneler) {
|
||||
console.warn('checkTimeout called when websocket already closed');
|
||||
return;
|
||||
}
|
||||
// Determine how long the connection has been "silent", ie no activity.
|
||||
var silent = Date.now() - lastActivity;
|
||||
// Determine how long the connection has been "silent", ie no activity.
|
||||
var silent = Date.now() - priv.lastActivity;
|
||||
|
||||
// If we have had activity within the last activityTimeout then all we need to do is
|
||||
// call this function again at the soonest time when the connection could be timed out.
|
||||
if (silent < activityTimeout) {
|
||||
timeoutId = setTimeout(wsHandlers.checkTimeout, activityTimeout-silent);
|
||||
}
|
||||
|
||||
// Otherwise we check to see if the pong has also timed out, and if not we send a ping
|
||||
// and call this function again when the pong will have timed out.
|
||||
else if (silent < activityTimeout + pongTimeout) {
|
||||
console.log('pinging tunnel server');
|
||||
try {
|
||||
wstunneler.ping();
|
||||
} catch (err) {
|
||||
console.warn('failed to ping tunnel server', err);
|
||||
}
|
||||
timeoutId = setTimeout(wsHandlers.checkTimeout, pongTimeout);
|
||||
}
|
||||
|
||||
// Last case means the ping we sent before didn't get a response soon enough, so we
|
||||
// need to close the websocket connection.
|
||||
else {
|
||||
console.log('connection timed out');
|
||||
wstunneler.close(1000, 'connection timeout');
|
||||
}
|
||||
// If we have had activity within the last activityTimeout then all we need to do is
|
||||
// call this function again at the soonest time when the connection could be timed out.
|
||||
if (silent < activityTimeout) {
|
||||
priv.timeoutId = setTimeout(priv.checkTimeout, activityTimeout-silent);
|
||||
}
|
||||
|
||||
, onOpen: function () {
|
||||
// Otherwise we check to see if the pong has also timed out, and if not we send a ping
|
||||
// and call this function again when the pong will have timed out.
|
||||
else if (silent < activityTimeout + pongTimeout) {
|
||||
console.log('pinging tunnel server');
|
||||
try {
|
||||
wstunneler.ping();
|
||||
} catch (err) {
|
||||
console.warn('failed to ping tunnel server', err);
|
||||
}
|
||||
priv.timeoutId = setTimeout(priv.checkTimeout, pongTimeout);
|
||||
}
|
||||
|
||||
// Last case means the ping we sent before didn't get a response soon enough, so we
|
||||
// need to close the websocket connection.
|
||||
else {
|
||||
console.log('connection timed out');
|
||||
wstunneler.close(1000, 'connection timeout');
|
||||
}
|
||||
};
|
||||
|
||||
me.destroy = function destroy() {
|
||||
try {
|
||||
//wstunneler.close(1000, 're-connect');
|
||||
wstunneler._socket.destroy();
|
||||
} catch(e) {
|
||||
// ignore
|
||||
}
|
||||
};
|
||||
me.connect = function connect() {
|
||||
if (!priv.tokens.length && state.config.email) {
|
||||
auth = TelebitRemote._tokenFromState(state);
|
||||
}
|
||||
priv.timeoutId = null;
|
||||
var machine = Packer.create(packerHandlers);
|
||||
|
||||
console.info("[connect] '" + (state.wss || state.relay) + "'");
|
||||
var tunnelUrl = (state.wss || state.relay).replace(/\/$/, '') + '/'; // + auth;
|
||||
wstunneler = new WebSocket(tunnelUrl, { rejectUnauthorized: !state.insecure });
|
||||
// XXXXXX
|
||||
wstunneler.on('open', function () {
|
||||
console.info("[open] connected to '" + (state.wss || state.relay) + "'");
|
||||
wsHandlers.refreshTimeout();
|
||||
|
||||
timeoutId = setTimeout(wsHandlers.checkTimeout, activityTimeout);
|
||||
|
||||
me.emit('connect');
|
||||
priv.refreshTimeout();
|
||||
priv.timeoutId = setTimeout(priv.checkTimeout, activityTimeout);
|
||||
wstunneler._socket.on('drain', function () {
|
||||
// the websocket library has it's own buffer apart from node's socket buffer, but that one
|
||||
// is much more difficult to watch, so we watch for the lower level buffer to drain and
|
||||
|
|
@ -473,24 +496,13 @@ function TelebitRemote(state) {
|
|||
conn.resume();
|
||||
}
|
||||
});
|
||||
|
||||
pausedClients.length = 0;
|
||||
});
|
||||
|
||||
/*
|
||||
//Call either Open or Reconnect handlers.
|
||||
if(state.handlers.onOpen && initialConnect) {
|
||||
state.handlers.onOpen();
|
||||
} else if (state.handlers.onReconnect && !initialConnect) {
|
||||
state.handlers.onReconnect();
|
||||
}
|
||||
*/
|
||||
initialConnect = false;
|
||||
}
|
||||
|
||||
, onClose: function () {
|
||||
clearTimeout(timeoutId);
|
||||
wstunneler = null;
|
||||
});
|
||||
wstunneler.on('close', function () {
|
||||
console.log("DEBUG closing");
|
||||
clearTimeout(priv.timeoutId);
|
||||
clientHandlers.closeAll();
|
||||
|
||||
var error = new Error('websocket connection closed before response');
|
||||
|
|
@ -503,108 +515,19 @@ function TelebitRemote(state) {
|
|||
}
|
||||
|
||||
me.emit('close');
|
||||
/*
|
||||
return;
|
||||
if (!authenticated) {
|
||||
if(state.handlers.onError) {
|
||||
var err = new Error('Failed to connect on first attempt... check authentication');
|
||||
state.handlers.onError(err);
|
||||
}
|
||||
if(state.handlers.onClose) {
|
||||
state.handlers.onClose();
|
||||
}
|
||||
console.info('[close] failed on first attempt... check authentication.');
|
||||
timeoutId = null;
|
||||
}
|
||||
else if (tokens.length) {
|
||||
if(state.handlers.onDisconnect) {
|
||||
state.handlers.onDisconnect();
|
||||
}
|
||||
console.info('[retry] disconnected and waiting...');
|
||||
timeoutId = setTimeout(connect, 5000);
|
||||
} else {
|
||||
if(state.handlers.onClose) {
|
||||
state.handlers.onClose();
|
||||
}
|
||||
}
|
||||
*/
|
||||
}
|
||||
|
||||
, onError: function (err) {
|
||||
me.emit('error', err);
|
||||
/*
|
||||
return;
|
||||
if ('ENOTFOUND' === err.code) {
|
||||
// DNS issue, probably network is disconnected
|
||||
timeoutId = setTimeout(connect, 90 * 1000);
|
||||
return;
|
||||
}
|
||||
console.error("[tunnel error] " + err.message);
|
||||
console.error(err);
|
||||
if (connCallback) {
|
||||
connCallback(err);
|
||||
}
|
||||
*/
|
||||
}
|
||||
|
||||
, sendMessage: function (msg) {
|
||||
if (wstunneler) {
|
||||
try {
|
||||
wstunneler.send(msg, {binary: true});
|
||||
return wstunneler.bufferedAmount;
|
||||
} catch (err) {
|
||||
// There is a chance that this occurred after the websocket was told to close
|
||||
// and before it finished, in which case we don't need to log the error.
|
||||
if (wstunneler.readyState !== wstunneler.CLOSING) {
|
||||
console.warn('[sendMessage] error sending websocket message', err);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
var connPromise;
|
||||
me.connect = function connect() {
|
||||
if (wstunneler) {
|
||||
console.warn('attempted to connect with connection already active');
|
||||
return;
|
||||
}
|
||||
if (!tokens.length) {
|
||||
if (state.config.email) {
|
||||
auth = {
|
||||
subject: state.config.email
|
||||
, subject_scheme: 'mailto'
|
||||
// TODO create domains list earlier
|
||||
, scope: Object.keys(state.config.servernames || {}).join(',')
|
||||
, otp: state.otp
|
||||
, hostname: os.hostname()
|
||||
// Used for User-Agent
|
||||
, os_type: os.type()
|
||||
, os_platform: os.platform()
|
||||
, os_release: os.release()
|
||||
, os_arch: os.arch()
|
||||
};
|
||||
}
|
||||
}
|
||||
timeoutId = null;
|
||||
var machine = Packer.create(packerHandlers);
|
||||
|
||||
console.info("[connect] '" + (state.wss || state.relay) + "'");
|
||||
var tunnelUrl = (state.wss || state.relay).replace(/\/$/, '') + '/'; // + auth;
|
||||
wstunneler = new WebSocket(tunnelUrl, { rejectUnauthorized: !state.insecure });
|
||||
// XXXXXX
|
||||
wstunneler.on('open', function () {
|
||||
me.emit('connect');
|
||||
wsHandlers.onOpen();
|
||||
});
|
||||
wstunneler.on('close', wsHandlers.onClose);
|
||||
wstunneler.on('error', wsHandlers.onError);
|
||||
wstunneler.on('error', function (err) {
|
||||
me.emit('error', err);
|
||||
});
|
||||
|
||||
// Our library will automatically handle sending the pong respose to ping requests.
|
||||
wstunneler.on('ping', wsHandlers.refreshTimeout);
|
||||
wstunneler.on('pong', wsHandlers.refreshTimeout);
|
||||
wstunneler.on('ping', priv.refreshTimeout);
|
||||
wstunneler.on('pong', function () {
|
||||
console.log('DEBUG got pong');
|
||||
priv.refreshTimeout();
|
||||
});
|
||||
wstunneler.on('message', function (data, flags) {
|
||||
wsHandlers.refreshTimeout();
|
||||
priv.refreshTimeout();
|
||||
if (data.error || '{' === data[0]) {
|
||||
console.log(data);
|
||||
return;
|
||||
|
|
@ -613,103 +536,34 @@ function TelebitRemote(state) {
|
|||
});
|
||||
};
|
||||
me.end = function() {
|
||||
tokens.length = 0;
|
||||
if (timeoutId) {
|
||||
clearTimeout(timeoutId);
|
||||
timeoutId = null;
|
||||
priv.tokens.length = 0;
|
||||
if (priv.timeoutId) {
|
||||
clearTimeout(priv.timeoutId);
|
||||
priv.timeoutId = null;
|
||||
}
|
||||
|
||||
if (wstunneler) {
|
||||
try {
|
||||
wstunneler.close(1000, 're-connect');
|
||||
wstunneler.on('close', function () {
|
||||
me.emit('end');
|
||||
});
|
||||
} catch(e) {
|
||||
console.error("[error] wstunneler.close()");
|
||||
console.error(e);
|
||||
}
|
||||
}
|
||||
};
|
||||
me.authz = me.append = function (token) {
|
||||
if (!token) {
|
||||
throw new Error("attempted to append empty token");
|
||||
}
|
||||
if ('undefined' === token) {
|
||||
throw new Error("attempted to append token as the string 'undefined'");
|
||||
}
|
||||
if (tokens.indexOf(token) >= 0) {
|
||||
return PromiseA.resolve();
|
||||
}
|
||||
tokens.push(token);
|
||||
var prom;
|
||||
if (tokens.length === 1 && !wstunneler) {
|
||||
// We just added the only token in the list, and the websocket connection isn't up
|
||||
// so we need to restart the connection.
|
||||
if (timeoutId) {
|
||||
// Handle the case were the last token was removed and this token added between
|
||||
// reconnect attempts to make sure we don't try openning multiple connections.
|
||||
clearTimeout(timeoutId);
|
||||
timeoutId = null;
|
||||
}
|
||||
|
||||
// We want this case to behave as much like the other case as we can, but we don't have
|
||||
// the same kind of reponses when we open brand new connections, so we have to rely on
|
||||
// the 'hello' and the 'un-associated' error commands to determine if the token is good.
|
||||
prom = connPromise = new PromiseA(function (resolve, reject) {
|
||||
connCallback = function (err) {
|
||||
connCallback = null;
|
||||
connPromise = null;
|
||||
if (err) {
|
||||
reject(err);
|
||||
} else {
|
||||
resolve();
|
||||
}
|
||||
};
|
||||
});
|
||||
connect();
|
||||
}
|
||||
else if (connPromise) {
|
||||
prom = connPromise.then(function () {
|
||||
return sendCommand('add_token', token);
|
||||
});
|
||||
}
|
||||
else {
|
||||
prom = sendCommand('add_token', token);
|
||||
}
|
||||
|
||||
prom.catch(function (err) {
|
||||
console.error('adding token', token, 'failed:', err);
|
||||
// Most probably an invalid token of some kind, so we don't really want to keep it.
|
||||
tokens.splice(tokens.indexOf(token), 1);
|
||||
wstunneler.close(1000, 're-connect');
|
||||
wstunneler.on('close', function () {
|
||||
me.emit('end');
|
||||
});
|
||||
|
||||
return prom;
|
||||
};
|
||||
me.clear = function (token) {
|
||||
if (typeof token === 'undefined') {
|
||||
token = '*';
|
||||
}
|
||||
|
||||
if (token === '*') {
|
||||
tokens.length = 0;
|
||||
} else {
|
||||
var index = tokens.indexOf(token);
|
||||
if (index < 0) {
|
||||
return PromiseA.resolve();
|
||||
}
|
||||
tokens.splice(index);
|
||||
}
|
||||
|
||||
var prom = sendCommand('delete_token', token);
|
||||
prom.catch(function (err) {
|
||||
console.error('clearing token', token, 'failed:', err);
|
||||
});
|
||||
|
||||
return prom;
|
||||
};
|
||||
}
|
||||
|
||||
TelebitRemote.prototype = EventEmitter.prototype;
|
||||
TelebitRemote._tokenFromState = function (state) {
|
||||
return {
|
||||
subject: state.config.email
|
||||
, subject_scheme: 'mailto'
|
||||
// TODO create domains list earlier
|
||||
, scope: Object.keys(state.config.servernames || {}).join(',')
|
||||
, otp: state.otp
|
||||
, hostname: os.hostname()
|
||||
// Used for User-Agent
|
||||
, os_type: os.type()
|
||||
, os_platform: os.platform()
|
||||
, os_release: os.release()
|
||||
, os_arch: os.arch()
|
||||
};
|
||||
};
|
||||
|
||||
TelebitRemote.create = function (opts) {
|
||||
return new TelebitRemote(opts);
|
||||
|
|
|
|||
Loading…
Reference in New Issue