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'use strict';
const common = require('../common');
if (!common.opensslCli) {
common.skip('node compiled without OpenSSL CLI.');
return;
}
if (!common.hasCrypto) {
common.skip('missing crypto');
return;
}
doTest();
// This test consists of three TLS requests --
// * The first one should result in a new connection because we don't have
// a valid session ticket.
// * The second one should result in connection resumption because we used
// the session ticket we saved from the first connection.
// * The third one should result in a new connection because the ticket
// that we used has expired by now.
function doTest() {
const assert = require('assert');
const tls = require('tls');
const fs = require('fs');
const join = require('path').join;
const spawn = require('child_process').spawn;
const SESSION_TIMEOUT = 1;
const keyFile = join(common.fixturesDir, 'agent.key');
const certFile = join(common.fixturesDir, 'agent.crt');
const key = fs.readFileSync(keyFile);
const cert = fs.readFileSync(certFile);
const options = {
key: key,
cert: cert,
ca: [cert],
sessionTimeout: SESSION_TIMEOUT
};
// We need to store a sample session ticket in the fixtures directory because
// `s_client` behaves incorrectly if we do not pass in both the `-sess_in`
// and the `-sess_out` flags, and the `-sess_in` argument must point to a
// file containing a proper serialization of a session ticket.
// To avoid a source control diff, we copy the ticket to a temporary file.
const sessionFileName = (function() {
const ticketFileName = 'tls-session-ticket.txt';
const fixturesPath = join(common.fixturesDir, ticketFileName);
const tmpPath = join(common.tmpDir, ticketFileName);
fs.writeFileSync(tmpPath, fs.readFileSync(fixturesPath));
return tmpPath;
}());
// Expects a callback -- cb(connectionType : enum ['New'|'Reused'])
const Client = function(cb) {
const flags = [
's_client',
'-connect', 'localhost:' + common.PORT,
'-sess_in', sessionFileName,
'-sess_out', sessionFileName
];
const client = spawn(common.opensslCli, flags, {
stdio: ['ignore', 'pipe', 'ignore']
});
let clientOutput = '';
client.stdout.on('data', function(data) {
clientOutput += data.toString();
});
client.on('exit', function(code) {
let connectionType;
const grepConnectionType = function(line) {
const matches = line.match(/(New|Reused), /);
if (matches) {
connectionType = matches[1];
return true;
}
};
const lines = clientOutput.split('\n');
if (!lines.some(grepConnectionType)) {
throw new Error('unexpected output from openssl client');
}
cb(connectionType);
});
};
const server = tls.createServer(options, function(cleartext) {
cleartext.on('error', function(er) {
if (er.code !== 'ECONNRESET')
throw er;
});
cleartext.end();
});
server.listen(common.PORT, function() {
Client(function(connectionType) {
assert.strictEqual(connectionType, 'New');
Client(function(connectionType) {
assert.strictEqual(connectionType, 'Reused');
setTimeout(function() {
Client(function(connectionType) {
assert.strictEqual(connectionType, 'New');
server.close();
});
}, (SESSION_TIMEOUT + 1) * 1000);
});
});
});
}
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