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Change to websocket compression.

This commit is contained in:
Ylian Saint-Hilaire 2020-07-10 00:38:34 -07:00
parent 44746fd4a6
commit f99e69ada6
1 changed files with 8 additions and 4 deletions
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12
webserver.js
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@ -4300,10 +4300,14 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
// Starts the HTTPS server, this should be called after the user/mesh tables are loaded
function serverStart() {
// Setup websocket options if needed.
var webSocketOptions;
if (args.wscompression === true) { webSocketOptions = { wsOptions: { perMessageDeflate: true } } }
// Start the server, only after users and meshes are loaded from the database.
if (obj.args.notls || obj.args.tlsoffload) {
// Setup the HTTP server without TLS
obj.expressWs = require('express-ws')(obj.app, { wsOptions: { perMessageDeflate: (args.wscompression === true) } });
obj.expressWs = require('express-ws')(obj.app, webSocketOptions);
} else {
// Setup the HTTP server with TLS, use only TLS 1.2 and higher with perfect forward secrecy (PFS).
//const tlsOptions = { cert: obj.certificates.web.cert, key: obj.certificates.web.key, ca: obj.certificates.web.ca, rejectUnauthorized: true, ciphers: "HIGH:!aNULL:!eNULL:!EXPORT:!RSA:!DES:!RC4:!MD5:!PSK:!SRP:!CAMELLIA", secureOptions: constants.SSL_OP_NO_SSLv2 | constants.SSL_OP_NO_SSLv3 | constants.SSL_OP_NO_COMPRESSION | constants.SSL_OP_CIPHER_SERVER_PREFERENCE | constants.SSL_OP_NO_TLSv1 | constants.SSL_OP_NO_TLSv1_1 }; // This does not work with TLS 1.3
@ -4315,7 +4319,7 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
//obj.tlsServer.on('tlsClientError', function (err) { console.log('tlsClientError', err); });
obj.tlsServer.on('newSession', function (id, data, cb) { if (tlsSessionStoreCount > 1000) { tlsSessionStoreCount = 0; tlsSessionStore = {}; } tlsSessionStore[id.toString('hex')] = data; tlsSessionStoreCount++; cb(); });
obj.tlsServer.on('resumeSession', function (id, cb) { cb(null, tlsSessionStore[id.toString('hex')] || null); });
obj.expressWs = require('express-ws')(obj.app, obj.tlsServer, { wsOptions: { perMessageDeflate: (args.wscompression === true) } });
obj.expressWs = require('express-ws')(obj.app, obj.tlsServer, webSocketOptions);
}
// Start a second agent-only server if needed
@ -4328,7 +4332,7 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
if (agentPortTls == false) {
// Setup the HTTP server without TLS
obj.expressWsAlt = require('express-ws')(obj.agentapp, { wsOptions: { perMessageDeflate: (args.wscompression === true) } });
obj.expressWsAlt = require('express-ws')(obj.agentapp, webSocketOptions);
} else {
// Setup the agent HTTP server with TLS, use only TLS 1.2 and higher with perfect forward secrecy (PFS).
// If TLS is used on the agent port, we always use the default TLS certificate.
@ -4339,7 +4343,7 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
//obj.tlsAltServer.on('tlsClientError', function (err) { console.log('tlsClientError', err); });
obj.tlsAltServer.on('newSession', function (id, data, cb) { if (tlsSessionStoreCount > 1000) { tlsSessionStoreCount = 0; tlsSessionStore = {}; } tlsSessionStore[id.toString('hex')] = data; tlsSessionStoreCount++; cb(); });
obj.tlsAltServer.on('resumeSession', function (id, cb) { cb(null, tlsSessionStore[id.toString('hex')] || null); });
obj.expressWsAlt = require('express-ws')(obj.agentapp, obj.tlsAltServer, { wsOptions: { perMessageDeflate: (args.wscompression === true) } });
obj.expressWsAlt = require('express-ws')(obj.agentapp, obj.tlsAltServer, webSocketOptions);
}
}