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'use strict';
const common = require('../common');
if (!common.hasCrypto)
common.skip('missing crypto');
const assert = require('assert');
const tls = require('tls');
const CIPHERS = 'PSK+HIGH:TLS_AES_128_GCM_SHA256';
const USERS = {
UserA: Buffer.allocUnsafe(128),
UserB: Buffer.from('82072606b502b0f4025e90eb75fe137d', 'hex'),
};
const TEST_DATA = 'x';
const serverOptions = {
ciphers: CIPHERS,
pskCallback(socket, id) {
assert.ok(socket instanceof tls.TLSSocket);
assert.ok(typeof id === 'string');
return USERS[id];
},
};
function test(secret, opts, error) {
const cb = !error ?
common.mustCall((c) => { c.pipe(c); }) :
common.mustNotCall();
const server = tls.createServer(serverOptions, cb);
server.listen(0, common.mustCall(() => {
const options = {
port: server.address().port,
ciphers: CIPHERS,
checkServerIdentity: () => {},
pskCallback: common.mustCall(() => secret),
...opts,
};
if (!error) {
const client = tls.connect(options, common.mustCall(() => {
client.end(TEST_DATA);
client.on('data', common.mustCall((data) => {
assert.strictEqual(data.toString(), TEST_DATA);
}));
client.on('close', common.mustCall(() => server.close()));
}));
} else {
const client = tls.connect(options, common.mustNotCall());
client.on('error', common.mustCall((err) => {
assert.strictEqual(err.message, error);
server.close();
}));
}
}));
}
const DISCONNECT_MESSAGE =
'Client network socket disconnected before ' +
'secure TLS connection was established';
test({ psk: USERS.UserA, identity: 'UserA' });
test({ psk: USERS.UserA, identity: 'UserA' }, { maxVersion: 'TLSv1.2' });
test({ psk: USERS.UserA, identity: 'UserA' }, { minVersion: 'TLSv1.3' });
test({ psk: USERS.UserB, identity: 'UserB' });
test({ psk: USERS.UserB, identity: 'UserB' }, { minVersion: 'TLSv1.3' });
// Unrecognized user should fail handshake
test({ psk: USERS.UserB, identity: 'UserC' }, {}, DISCONNECT_MESSAGE);
// Recognized user but incorrect secret should fail handshake
test({ psk: USERS.UserA, identity: 'UserB' }, {}, DISCONNECT_MESSAGE);
test({ psk: USERS.UserB, identity: 'UserB' });
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