deb-novnc/tests/test.rfb.js

2033 lines
92 KiB
JavaScript

// requires local modules: util, websock, rfb, keyboard, keysym, keysymdef, input, inflator, des, display
// requires test modules: fake.websocket, assertions
/* jshint expr: true */
var assert = chai.assert;
var expect = chai.expect;
function make_rfb (extra_opts) {
if (!extra_opts) {
extra_opts = {};
}
extra_opts.target = extra_opts.target || document.createElement('canvas');
return new RFB(extra_opts);
}
describe('Remote Frame Buffer Protocol Client', function() {
"use strict";
before(FakeWebSocket.replace);
after(FakeWebSocket.restore);
before(function () {
this.clock = sinon.useFakeTimers();
// Use a single set of buffers instead of reallocating to
// speed up tests
var sock = new Websock();
var _sQ = new Uint8Array(sock._sQbufferSize);
var rQ = new Uint8Array(sock._rQbufferSize);
Websock.prototype._old_allocate_buffers = Websock.prototype._allocate_buffers;
Websock.prototype._allocate_buffers = function () {
this._sQ = _sQ;
this._rQ = rQ;
};
});
after(function () {
Websock.prototype._allocate_buffers = Websock.prototype._old_allocate_buffers;
this.clock.restore();
});
describe('Public API Basic Behavior', function () {
var client;
beforeEach(function () {
client = make_rfb();
});
describe('#connect', function () {
beforeEach(function () { client._updateState = sinon.spy(); });
it('should set the current state to "connect"', function () {
client.connect('host', 8675);
expect(client._updateState).to.have.been.calledOnce;
expect(client._updateState).to.have.been.calledWith('connect');
});
it('should fail if we are missing a host', function () {
sinon.spy(client, '_fail');
client.connect(undefined, 8675);
expect(client._fail).to.have.been.calledOnce;
});
it('should fail if we are missing a port', function () {
sinon.spy(client, '_fail');
client.connect('abc');
expect(client._fail).to.have.been.calledOnce;
});
it('should not update the state if we are missing a host or port', function () {
sinon.spy(client, '_fail');
client.connect('abc');
expect(client._fail).to.have.been.calledOnce;
expect(client._updateState).to.have.been.calledOnce;
expect(client._updateState).to.have.been.calledWith('failed');
});
});
describe('#disconnect', function () {
beforeEach(function () { client._updateState = sinon.spy(); });
it('should set the current state to "disconnect"', function () {
client.disconnect();
expect(client._updateState).to.have.been.calledOnce;
expect(client._updateState).to.have.been.calledWith('disconnect');
});
it('should unregister error event handler', function () {
sinon.spy(client._sock, 'off');
client.disconnect();
expect(client._sock.off).to.have.been.calledWith('error');
});
it('should unregister message event handler', function () {
sinon.spy(client._sock, 'off');
client.disconnect();
expect(client._sock.off).to.have.been.calledWith('message');
});
it('should unregister open event handler', function () {
sinon.spy(client._sock, 'off');
client.disconnect();
expect(client._sock.off).to.have.been.calledWith('open');
});
});
describe('#sendPassword', function () {
beforeEach(function () { this.clock = sinon.useFakeTimers(); });
afterEach(function () { this.clock.restore(); });
it('should set the state to "Authentication"', function () {
client._rfb_state = "blah";
client.sendPassword('pass');
expect(client._rfb_state).to.equal('Authentication');
});
it('should call init_msg "soon"', function () {
client._init_msg = sinon.spy();
client.sendPassword('pass');
this.clock.tick(5);
expect(client._init_msg).to.have.been.calledOnce;
});
});
describe('#sendCtrlAlDel', function () {
beforeEach(function () {
client._sock = new Websock();
client._sock.open('ws://', 'binary');
client._sock._websocket._open();
sinon.spy(client._sock, 'flush');
client._rfb_state = "normal";
client._view_only = false;
});
it('should sent ctrl[down]-alt[down]-del[down] then del[up]-alt[up]-ctrl[up]', function () {
var expected = {_sQ: new Uint8Array(48), _sQlen: 0, flush: function () {}};
RFB.messages.keyEvent(expected, 0xFFE3, 1);
RFB.messages.keyEvent(expected, 0xFFE9, 1);
RFB.messages.keyEvent(expected, 0xFFFF, 1);
RFB.messages.keyEvent(expected, 0xFFFF, 0);
RFB.messages.keyEvent(expected, 0xFFE9, 0);
RFB.messages.keyEvent(expected, 0xFFE3, 0);
client.sendCtrlAltDel();
expect(client._sock).to.have.sent(expected._sQ);
});
it('should not send the keys if we are not in a normal state', function () {
client._rfb_state = "broken";
client.sendCtrlAltDel();
expect(client._sock.flush).to.not.have.been.called;
});
it('should not send the keys if we are set as view_only', function () {
client._view_only = true;
client.sendCtrlAltDel();
expect(client._sock.flush).to.not.have.been.called;
});
});
describe('#sendKey', function () {
beforeEach(function () {
client._sock = new Websock();
client._sock.open('ws://', 'binary');
client._sock._websocket._open();
sinon.spy(client._sock, 'flush');
client._rfb_state = "normal";
client._view_only = false;
});
it('should send a single key with the given code and state (down = true)', function () {
var expected = {_sQ: new Uint8Array(8), _sQlen: 0, flush: function () {}};
RFB.messages.keyEvent(expected, 123, 1);
client.sendKey(123, true);
expect(client._sock).to.have.sent(expected._sQ);
});
it('should send both a down and up event if the state is not specified', function () {
var expected = {_sQ: new Uint8Array(16), _sQlen: 0, flush: function () {}};
RFB.messages.keyEvent(expected, 123, 1);
RFB.messages.keyEvent(expected, 123, 0);
client.sendKey(123);
expect(client._sock).to.have.sent(expected._sQ);
});
it('should not send the key if we are not in a normal state', function () {
client._rfb_state = "broken";
client.sendKey(123);
expect(client._sock.flush).to.not.have.been.called;
});
it('should not send the key if we are set as view_only', function () {
client._view_only = true;
client.sendKey(123);
expect(client._sock.flush).to.not.have.been.called;
});
});
describe('#clipboardPasteFrom', function () {
beforeEach(function () {
client._sock = new Websock();
client._sock.open('ws://', 'binary');
client._sock._websocket._open();
sinon.spy(client._sock, 'flush');
client._rfb_state = "normal";
client._view_only = false;
});
it('should send the given text in a paste event', function () {
var expected = {_sQ: new Uint8Array(11), _sQlen: 0, flush: function () {}};
RFB.messages.clientCutText(expected, 'abc');
client.clipboardPasteFrom('abc');
expect(client._sock).to.have.sent(expected._sQ);
});
it('should not send the text if we are not in a normal state', function () {
client._rfb_state = "broken";
client.clipboardPasteFrom('abc');
expect(client._sock.flush).to.not.have.been.called;
});
});
describe("#requestDesktopSize", function () {
beforeEach(function() {
client._sock = new Websock();
client._sock.open('ws://', 'binary');
client._sock._websocket._open();
sinon.spy(client._sock, 'flush');
client._rfb_state = "normal";
client._view_only = false;
client._supportsSetDesktopSize = true;
});
it('should send the request with the given width and height', function () {
var expected = [251];
expected.push8(0); // padding
expected.push16(1); // width
expected.push16(2); // height
expected.push8(1); // number-of-screens
expected.push8(0); // padding before screen array
expected.push32(0); // id
expected.push16(0); // x-position
expected.push16(0); // y-position
expected.push16(1); // width
expected.push16(2); // height
expected.push32(0); // flags
client.requestDesktopSize(1, 2);
expect(client._sock).to.have.sent(new Uint8Array(expected));
});
it('should not send the request if the client has not recieved a ExtendedDesktopSize rectangle', function () {
client._supportsSetDesktopSize = false;
client.requestDesktopSize(1,2);
expect(client._sock.flush).to.not.have.been.called;
});
it('should not send the request if we are not in a normal state', function () {
client._rfb_state = "broken";
client.requestDesktopSize(1,2);
expect(client._sock.flush).to.not.have.been.called;
});
});
describe("XVP operations", function () {
beforeEach(function () {
client._sock = new Websock();
client._sock.open('ws://', 'binary');
client._sock._websocket._open();
sinon.spy(client._sock, 'flush');
client._rfb_state = "normal";
client._view_only = false;
client._rfb_xvp_ver = 1;
});
it('should send the shutdown signal on #xvpShutdown', function () {
client.xvpShutdown();
expect(client._sock).to.have.sent(new Uint8Array([0xFA, 0x00, 0x01, 0x02]));
});
it('should send the reboot signal on #xvpReboot', function () {
client.xvpReboot();
expect(client._sock).to.have.sent(new Uint8Array([0xFA, 0x00, 0x01, 0x03]));
});
it('should send the reset signal on #xvpReset', function () {
client.xvpReset();
expect(client._sock).to.have.sent(new Uint8Array([0xFA, 0x00, 0x01, 0x04]));
});
it('should support sending arbitrary XVP operations via #xvpOp', function () {
client.xvpOp(1, 7);
expect(client._sock).to.have.sent(new Uint8Array([0xFA, 0x00, 0x01, 0x07]));
});
it('should not send XVP operations with higher versions than we support', function () {
expect(client.xvpOp(2, 7)).to.be.false;
expect(client._sock.flush).to.not.have.been.called;
});
});
});
describe('Misc Internals', function () {
describe('#_updateState', function () {
var client;
beforeEach(function () {
this.clock = sinon.useFakeTimers();
client = make_rfb();
});
afterEach(function () {
this.clock.restore();
});
it('should clear the disconnect timer if the state is not disconnect', function () {
var spy = sinon.spy();
client._disconnTimer = setTimeout(spy, 50);
client._updateState('normal');
this.clock.tick(51);
expect(spy).to.not.have.been.called;
expect(client._disconnTimer).to.be.null;
});
});
});
describe('Page States', function () {
describe('loaded', function () {
var client;
beforeEach(function () { client = make_rfb(); });
it('should close any open WebSocket connection', function () {
sinon.spy(client._sock, 'close');
client._updateState('loaded');
expect(client._sock.close).to.have.been.calledOnce;
});
});
describe('disconnected', function () {
var client;
beforeEach(function () { client = make_rfb(); });
it('should close any open WebSocket connection', function () {
sinon.spy(client._sock, 'close');
client._updateState('disconnected');
expect(client._sock.close).to.have.been.calledOnce;
});
});
describe('connect', function () {
var client;
beforeEach(function () { client = make_rfb(); });
it('should reset the variable states', function () {
sinon.spy(client, '_init_vars');
client._updateState('connect');
expect(client._init_vars).to.have.been.calledOnce;
});
it('should actually connect to the websocket', function () {
sinon.spy(client._sock, 'open');
client._updateState('connect');
expect(client._sock.open).to.have.been.calledOnce;
});
it('should use wss:// to connect if encryption is enabled', function () {
sinon.spy(client._sock, 'open');
client.set_encrypt(true);
client._updateState('connect');
expect(client._sock.open.args[0][0]).to.contain('wss://');
});
it('should use ws:// to connect if encryption is not enabled', function () {
sinon.spy(client._sock, 'open');
client.set_encrypt(true);
client._updateState('connect');
expect(client._sock.open.args[0][0]).to.contain('wss://');
});
it('should use a uri with the host, port, and path specified to connect', function () {
sinon.spy(client._sock, 'open');
client.set_encrypt(false);
client._rfb_host = 'HOST';
client._rfb_port = 8675;
client._rfb_path = 'PATH';
client._updateState('connect');
expect(client._sock.open).to.have.been.calledWith('ws://HOST:8675/PATH');
});
it('should attempt to close the websocket before we open an new one', function () {
sinon.spy(client._sock, 'close');
client._updateState('connect');
expect(client._sock.close).to.have.been.calledOnce;
});
});
describe('disconnect', function () {
var client;
beforeEach(function () {
this.clock = sinon.useFakeTimers();
client = make_rfb();
client.connect('host', 8675);
});
afterEach(function () {
this.clock.restore();
});
it('should fail if we do not call Websock.onclose within the disconnection timeout', function () {
client._sock._websocket.close = function () {}; // explicitly don't call onclose
client._updateState('disconnect');
this.clock.tick(client.get_disconnectTimeout() * 1000);
expect(client._rfb_state).to.equal('failed');
});
it('should not fail if Websock.onclose gets called within the disconnection timeout', function () {
client._updateState('disconnect');
this.clock.tick(client.get_disconnectTimeout() * 500);
client._sock._websocket.close();
this.clock.tick(client.get_disconnectTimeout() * 500 + 1);
expect(client._rfb_state).to.equal('disconnected');
});
it('should close the WebSocket connection', function () {
sinon.spy(client._sock, 'close');
client._updateState('disconnect');
expect(client._sock.close).to.have.been.calledTwice; // once on loaded, once on disconnect
});
});
describe('failed', function () {
var client;
beforeEach(function () {
this.clock = sinon.useFakeTimers();
client = make_rfb();
client.connect('host', 8675);
});
afterEach(function () {
this.clock.restore();
});
it('should close the WebSocket connection', function () {
sinon.spy(client._sock, 'close');
client._updateState('failed');
expect(client._sock.close).to.have.been.called;
});
it('should transition to disconnected but stay in failed state', function () {
client.set_onUpdateState(sinon.spy());
client._updateState('failed');
this.clock.tick(50);
expect(client._rfb_state).to.equal('failed');
var onUpdateState = client.get_onUpdateState();
expect(onUpdateState).to.have.been.called;
// it should be specifically the last call
expect(onUpdateState.args[onUpdateState.args.length - 1][1]).to.equal('disconnected');
expect(onUpdateState.args[onUpdateState.args.length - 1][2]).to.equal('failed');
});
});
describe('fatal', function () {
var client;
beforeEach(function () { client = make_rfb(); });
it('should close any open WebSocket connection', function () {
sinon.spy(client._sock, 'close');
client._updateState('fatal');
expect(client._sock.close).to.have.been.calledOnce;
});
});
// NB(directxman12): Normal does *nothing* in updateState
});
describe('Protocol Initialization States', function () {
describe('ProtocolVersion', function () {
beforeEach(function () {
this.clock = sinon.useFakeTimers();
});
afterEach(function () {
this.clock.restore();
});
function send_ver (ver, client) {
var arr = new Uint8Array(12);
for (var i = 0; i < ver.length; i++) {
arr[i+4] = ver.charCodeAt(i);
}
arr[0] = 'R'; arr[1] = 'F'; arr[2] = 'B'; arr[3] = ' ';
arr[11] = '\n';
client._sock._websocket._receive_data(arr);
}
describe('version parsing', function () {
var client;
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
});
it('should interpret version 000.000 as a repeater', function () {
client._repeaterID = '\x01\x02\x03\x04\x05';
send_ver('000.000', client);
expect(client._rfb_version).to.equal(0);
var sent_data = client._sock._websocket._get_sent_data();
expect(new Uint8Array(sent_data.buffer, 0, 5)).to.array.equal(new Uint8Array([1, 2, 3, 4, 5]));
});
it('should interpret version 003.003 as version 3.3', function () {
send_ver('003.003', client);
expect(client._rfb_version).to.equal(3.3);
});
it('should interpret version 003.006 as version 3.3', function () {
send_ver('003.006', client);
expect(client._rfb_version).to.equal(3.3);
});
it('should interpret version 003.889 as version 3.3', function () {
send_ver('003.889', client);
expect(client._rfb_version).to.equal(3.3);
});
it('should interpret version 003.007 as version 3.7', function () {
send_ver('003.007', client);
expect(client._rfb_version).to.equal(3.7);
});
it('should interpret version 003.008 as version 3.8', function () {
send_ver('003.008', client);
expect(client._rfb_version).to.equal(3.8);
});
it('should interpret version 004.000 as version 3.8', function () {
send_ver('004.000', client);
expect(client._rfb_version).to.equal(3.8);
});
it('should interpret version 004.001 as version 3.8', function () {
send_ver('004.001', client);
expect(client._rfb_version).to.equal(3.8);
});
it('should fail on an invalid version', function () {
send_ver('002.000', client);
expect(client._rfb_state).to.equal('failed');
});
});
var client;
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
});
it('should handle two step repeater negotiation', function () {
client._repeaterID = '\x01\x02\x03\x04\x05';
send_ver('000.000', client);
expect(client._rfb_version).to.equal(0);
var sent_data = client._sock._websocket._get_sent_data();
expect(new Uint8Array(sent_data.buffer, 0, 5)).to.array.equal(new Uint8Array([1, 2, 3, 4, 5]));
expect(sent_data).to.have.length(250);
send_ver('003.008', client);
expect(client._rfb_version).to.equal(3.8);
});
it('should send back the interpreted version', function () {
send_ver('004.000', client);
var expected_str = 'RFB 003.008\n';
var expected = [];
for (var i = 0; i < expected_str.length; i++) {
expected[i] = expected_str.charCodeAt(i);
}
expect(client._sock).to.have.sent(new Uint8Array(expected));
});
it('should transition to the Security state on successful negotiation', function () {
send_ver('003.008', client);
expect(client._rfb_state).to.equal('Security');
});
});
describe('Security', function () {
var client;
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
client._rfb_state = 'Security';
});
it('should simply receive the auth scheme when for versions < 3.7', function () {
client._rfb_version = 3.6;
var auth_scheme_raw = [1, 2, 3, 4];
var auth_scheme = (auth_scheme_raw[0] << 24) + (auth_scheme_raw[1] << 16) +
(auth_scheme_raw[2] << 8) + auth_scheme_raw[3];
client._sock._websocket._receive_data(auth_scheme_raw);
expect(client._rfb_auth_scheme).to.equal(auth_scheme);
});
it('should choose for the most prefered scheme possible for versions >= 3.7', function () {
client._rfb_version = 3.7;
var auth_schemes = [2, 1, 2];
client._sock._websocket._receive_data(auth_schemes);
expect(client._rfb_auth_scheme).to.equal(2);
expect(client._sock).to.have.sent(new Uint8Array([2]));
});
it('should fail if there are no supported schemes for versions >= 3.7', function () {
client._rfb_version = 3.7;
var auth_schemes = [1, 32];
client._sock._websocket._receive_data(auth_schemes);
expect(client._rfb_state).to.equal('failed');
});
it('should fail with the appropriate message if no types are sent for versions >= 3.7', function () {
client._rfb_version = 3.7;
var failure_data = [0, 0, 0, 0, 6, 119, 104, 111, 111, 112, 115];
sinon.spy(client, '_fail');
client._sock._websocket._receive_data(failure_data);
expect(client._fail).to.have.been.calledTwice;
expect(client._fail).to.have.been.calledWith('Security failure: whoops');
});
it('should transition to the Authentication state and continue on successful negotiation', function () {
client._rfb_version = 3.7;
var auth_schemes = [1, 1];
client._negotiate_authentication = sinon.spy();
client._sock._websocket._receive_data(auth_schemes);
expect(client._rfb_state).to.equal('Authentication');
expect(client._negotiate_authentication).to.have.been.calledOnce;
});
});
describe('Authentication', function () {
var client;
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
client._rfb_state = 'Security';
});
function send_security(type, cl) {
cl._sock._websocket._receive_data(new Uint8Array([1, type]));
}
it('should fail on auth scheme 0 (pre 3.7) with the given message', function () {
client._rfb_version = 3.6;
var err_msg = "Whoopsies";
var data = [0, 0, 0, 0];
var err_len = err_msg.length;
data.push32(err_len);
for (var i = 0; i < err_len; i++) {
data.push(err_msg.charCodeAt(i));
}
sinon.spy(client, '_fail');
client._sock._websocket._receive_data(new Uint8Array(data));
expect(client._rfb_state).to.equal('failed');
expect(client._fail).to.have.been.calledWith('Auth failure: Whoopsies');
});
it('should transition straight to SecurityResult on "no auth" (1) for versions >= 3.8', function () {
client._rfb_version = 3.8;
send_security(1, client);
expect(client._rfb_state).to.equal('SecurityResult');
});
it('should transition straight to ClientInitialisation on "no auth" for versions < 3.8', function () {
client._rfb_version = 3.7;
sinon.spy(client, '_updateState');
send_security(1, client);
expect(client._updateState).to.have.been.calledWith('ClientInitialisation');
expect(client._rfb_state).to.equal('ServerInitialisation');
});
it('should fail on an unknown auth scheme', function () {
client._rfb_version = 3.8;
send_security(57, client);
expect(client._rfb_state).to.equal('failed');
});
describe('VNC Authentication (type 2) Handler', function () {
var client;
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
client._rfb_state = 'Security';
client._rfb_version = 3.8;
});
it('should transition to the "password" state if missing a password', function () {
send_security(2, client);
expect(client._rfb_state).to.equal('password');
});
it('should encrypt the password with DES and then send it back', function () {
client._rfb_password = 'passwd';
send_security(2, client);
client._sock._websocket._get_sent_data(); // skip the choice of auth reply
var challenge = [];
for (var i = 0; i < 16; i++) { challenge[i] = i; }
client._sock._websocket._receive_data(new Uint8Array(challenge));
var des_pass = RFB.genDES('passwd', challenge);
expect(client._sock).to.have.sent(new Uint8Array(des_pass));
});
it('should transition to SecurityResult immediately after sending the password', function () {
client._rfb_password = 'passwd';
send_security(2, client);
var challenge = [];
for (var i = 0; i < 16; i++) { challenge[i] = i; }
client._sock._websocket._receive_data(new Uint8Array(challenge));
expect(client._rfb_state).to.equal('SecurityResult');
});
});
describe('XVP Authentication (type 22) Handler', function () {
var client;
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
client._rfb_state = 'Security';
client._rfb_version = 3.8;
});
it('should fall through to standard VNC authentication upon completion', function () {
client.set_xvp_password_sep('#');
client._rfb_password = 'user#target#password';
client._negotiate_std_vnc_auth = sinon.spy();
send_security(22, client);
expect(client._negotiate_std_vnc_auth).to.have.been.calledOnce;
});
it('should transition to the "password" state if the passwords is missing', function() {
send_security(22, client);
expect(client._rfb_state).to.equal('password');
});
it('should transition to the "password" state if the passwords is improperly formatted', function() {
client._rfb_password = 'user@target';
send_security(22, client);
expect(client._rfb_state).to.equal('password');
});
it('should split the password, send the first two parts, and pass on the last part', function () {
client.set_xvp_password_sep('#');
client._rfb_password = 'user#target#password';
client._negotiate_std_vnc_auth = sinon.spy();
send_security(22, client);
expect(client._rfb_password).to.equal('password');
var expected = [22, 4, 6]; // auth selection, len user, len target
for (var i = 0; i < 10; i++) { expected[i+3] = 'usertarget'.charCodeAt(i); }
expect(client._sock).to.have.sent(new Uint8Array(expected));
});
});
describe('TightVNC Authentication (type 16) Handler', function () {
var client;
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
client._rfb_state = 'Security';
client._rfb_version = 3.8;
send_security(16, client);
client._sock._websocket._get_sent_data(); // skip the security reply
});
function send_num_str_pairs(pairs, client) {
var pairs_len = pairs.length;
var data = [];
data.push32(pairs_len);
for (var i = 0; i < pairs_len; i++) {
data.push32(pairs[i][0]);
var j;
for (j = 0; j < 4; j++) {
data.push(pairs[i][1].charCodeAt(j));
}
for (j = 0; j < 8; j++) {
data.push(pairs[i][2].charCodeAt(j));
}
}
client._sock._websocket._receive_data(new Uint8Array(data));
}
it('should skip tunnel negotiation if no tunnels are requested', function () {
client._sock._websocket._receive_data(new Uint8Array([0, 0, 0, 0]));
expect(client._rfb_tightvnc).to.be.true;
});
it('should fail if no supported tunnels are listed', function () {
send_num_str_pairs([[123, 'OTHR', 'SOMETHNG']], client);
expect(client._rfb_state).to.equal('failed');
});
it('should choose the notunnel tunnel type', function () {
send_num_str_pairs([[0, 'TGHT', 'NOTUNNEL'], [123, 'OTHR', 'SOMETHNG']], client);
expect(client._sock).to.have.sent(new Uint8Array([0, 0, 0, 0]));
});
it('should continue to sub-auth negotiation after tunnel negotiation', function () {
send_num_str_pairs([[0, 'TGHT', 'NOTUNNEL']], client);
client._sock._websocket._get_sent_data(); // skip the tunnel choice here
send_num_str_pairs([[1, 'STDV', 'NOAUTH__']], client);
expect(client._sock).to.have.sent(new Uint8Array([0, 0, 0, 1]));
expect(client._rfb_state).to.equal('SecurityResult');
});
/*it('should attempt to use VNC auth over no auth when possible', function () {
client._rfb_tightvnc = true;
client._negotiate_std_vnc_auth = sinon.spy();
send_num_str_pairs([[1, 'STDV', 'NOAUTH__'], [2, 'STDV', 'VNCAUTH_']], client);
expect(client._sock).to.have.sent([0, 0, 0, 1]);
expect(client._negotiate_std_vnc_auth).to.have.been.calledOnce;
expect(client._rfb_auth_scheme).to.equal(2);
});*/ // while this would make sense, the original code doesn't actually do this
it('should accept the "no auth" auth type and transition to SecurityResult', function () {
client._rfb_tightvnc = true;
send_num_str_pairs([[1, 'STDV', 'NOAUTH__']], client);
expect(client._sock).to.have.sent(new Uint8Array([0, 0, 0, 1]));
expect(client._rfb_state).to.equal('SecurityResult');
});
it('should accept VNC authentication and transition to that', function () {
client._rfb_tightvnc = true;
client._negotiate_std_vnc_auth = sinon.spy();
send_num_str_pairs([[2, 'STDV', 'VNCAUTH__']], client);
expect(client._sock).to.have.sent(new Uint8Array([0, 0, 0, 2]));
expect(client._negotiate_std_vnc_auth).to.have.been.calledOnce;
expect(client._rfb_auth_scheme).to.equal(2);
});
it('should fail if there are no supported auth types', function () {
client._rfb_tightvnc = true;
send_num_str_pairs([[23, 'stdv', 'badval__']], client);
expect(client._rfb_state).to.equal('failed');
});
});
});
describe('SecurityResult', function () {
var client;
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
client._rfb_state = 'SecurityResult';
});
it('should fall through to ClientInitialisation on a response code of 0', function () {
client._updateState = sinon.spy();
client._sock._websocket._receive_data(new Uint8Array([0, 0, 0, 0]));
expect(client._updateState).to.have.been.calledOnce;
expect(client._updateState).to.have.been.calledWith('ClientInitialisation');
});
it('should fail on an error code of 1 with the given message for versions >= 3.8', function () {
client._rfb_version = 3.8;
sinon.spy(client, '_fail');
var failure_data = [0, 0, 0, 1, 0, 0, 0, 6, 119, 104, 111, 111, 112, 115];
client._sock._websocket._receive_data(new Uint8Array(failure_data));
expect(client._rfb_state).to.equal('failed');
expect(client._fail).to.have.been.calledWith('whoops');
});
it('should fail on an error code of 1 with a standard message for version < 3.8', function () {
client._rfb_version = 3.7;
client._sock._websocket._receive_data(new Uint8Array([0, 0, 0, 1]));
expect(client._rfb_state).to.equal('failed');
});
});
describe('ClientInitialisation', function () {
var client;
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
client._rfb_state = 'SecurityResult';
});
it('should transition to the ServerInitialisation state', function () {
client._sock._websocket._receive_data(new Uint8Array([0, 0, 0, 0]));
expect(client._rfb_state).to.equal('ServerInitialisation');
});
it('should send 1 if we are in shared mode', function () {
client.set_shared(true);
client._sock._websocket._receive_data(new Uint8Array([0, 0, 0, 0]));
expect(client._sock).to.have.sent(new Uint8Array([1]));
});
it('should send 0 if we are not in shared mode', function () {
client.set_shared(false);
client._sock._websocket._receive_data(new Uint8Array([0, 0, 0, 0]));
expect(client._sock).to.have.sent(new Uint8Array([0]));
});
});
describe('ServerInitialisation', function () {
var client;
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
client._rfb_state = 'ServerInitialisation';
});
function send_server_init(opts, client) {
var full_opts = { width: 10, height: 12, bpp: 24, depth: 24, big_endian: 0,
true_color: 1, red_max: 255, green_max: 255, blue_max: 255,
red_shift: 16, green_shift: 8, blue_shift: 0, name: 'a name' };
for (var opt in opts) {
full_opts[opt] = opts[opt];
}
var data = [];
data.push16(full_opts.width);
data.push16(full_opts.height);
data.push(full_opts.bpp);
data.push(full_opts.depth);
data.push(full_opts.big_endian);
data.push(full_opts.true_color);
data.push16(full_opts.red_max);
data.push16(full_opts.green_max);
data.push16(full_opts.blue_max);
data.push8(full_opts.red_shift);
data.push8(full_opts.green_shift);
data.push8(full_opts.blue_shift);
// padding
data.push8(0);
data.push8(0);
data.push8(0);
client._sock._websocket._receive_data(new Uint8Array(data));
var name_data = [];
name_data.push32(full_opts.name.length);
for (var i = 0; i < full_opts.name.length; i++) {
name_data.push(full_opts.name.charCodeAt(i));
}
client._sock._websocket._receive_data(new Uint8Array(name_data));
}
it('should set the framebuffer width and height', function () {
send_server_init({ width: 32, height: 84 }, client);
expect(client._fb_width).to.equal(32);
expect(client._fb_height).to.equal(84);
});
// NB(sross): we just warn, not fail, for endian-ness and shifts, so we don't test them
it('should set the framebuffer name and call the callback', function () {
client.set_onDesktopName(sinon.spy());
send_server_init({ name: 'some name' }, client);
var spy = client.get_onDesktopName();
expect(client._fb_name).to.equal('some name');
expect(spy).to.have.been.calledOnce;
expect(spy.args[0][1]).to.equal('some name');
});
it('should handle the extended init message of the tight encoding', function () {
// NB(sross): we don't actually do anything with it, so just test that we can
// read it w/o throwing an error
client._rfb_tightvnc = true;
send_server_init({}, client);
var tight_data = [];
tight_data.push16(1);
tight_data.push16(2);
tight_data.push16(3);
tight_data.push16(0);
for (var i = 0; i < 16 + 32 + 48; i++) {
tight_data.push(i);
}
client._sock._websocket._receive_data(tight_data);
expect(client._rfb_state).to.equal('normal');
});
it('should set the true color mode on the display to the configuration variable', function () {
client.set_true_color(false);
sinon.spy(client._display, 'set_true_color');
send_server_init({ true_color: 1 }, client);
expect(client._display.set_true_color).to.have.been.calledOnce;
expect(client._display.set_true_color).to.have.been.calledWith(false);
});
it('should call the resize callback and resize the display', function () {
client.set_onFBResize(sinon.spy());
sinon.spy(client._display, 'resize');
send_server_init({ width: 27, height: 32 }, client);
var spy = client.get_onFBResize();
expect(client._display.resize).to.have.been.calledOnce;
expect(client._display.resize).to.have.been.calledWith(27, 32);
expect(spy).to.have.been.calledOnce;
expect(spy.args[0][1]).to.equal(27);
expect(spy.args[0][2]).to.equal(32);
});
it('should grab the mouse and keyboard', function () {
sinon.spy(client._keyboard, 'grab');
sinon.spy(client._mouse, 'grab');
send_server_init({}, client);
expect(client._keyboard.grab).to.have.been.calledOnce;
expect(client._mouse.grab).to.have.been.calledOnce;
});
it('should set the BPP and depth to 4 and 3 respectively if in true color mode', function () {
client.set_true_color(true);
send_server_init({}, client);
expect(client._fb_Bpp).to.equal(4);
expect(client._fb_depth).to.equal(3);
});
it('should set the BPP and depth to 1 and 1 respectively if not in true color mode', function () {
client.set_true_color(false);
send_server_init({}, client);
expect(client._fb_Bpp).to.equal(1);
expect(client._fb_depth).to.equal(1);
});
// TODO(directxman12): test the various options in this configuration matrix
it('should reply with the pixel format, client encodings, and initial update request', function () {
client.set_true_color(true);
client.set_local_cursor(false);
// we skip the cursor encoding
var expected = {_sQ: new Uint8Array(34 + 4 * (client._encodings.length - 1)),
_sQlen: 0,
flush: function () {}};
RFB.messages.pixelFormat(expected, 4, 3, true);
RFB.messages.clientEncodings(expected, client._encodings, false, true);
RFB.messages.fbUpdateRequest(expected, false, 0, 0, 27, 32);
send_server_init({ width: 27, height: 32 }, client);
expect(client._sock).to.have.sent(expected._sQ);
});
it('should transition to the "normal" state', function () {
send_server_init({}, client);
expect(client._rfb_state).to.equal('normal');
});
});
});
describe('Protocol Message Processing After Completing Initialization', function () {
var client;
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
client._rfb_state = 'normal';
client._fb_name = 'some device';
client._fb_width = 640;
client._fb_height = 20;
});
describe('Framebuffer Update Handling', function () {
var client;
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
client._rfb_state = 'normal';
client._fb_name = 'some device';
client._fb_width = 640;
client._fb_height = 20;
});
var target_data_arr = [
0xff, 0x00, 0x00, 255, 0x00, 0xff, 0x00, 255, 0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255,
0x00, 0xff, 0x00, 255, 0xff, 0x00, 0x00, 255, 0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255,
0xee, 0x00, 0xff, 255, 0x00, 0xee, 0xff, 255, 0xaa, 0xee, 0xff, 255, 0xab, 0xee, 0xff, 255,
0xee, 0x00, 0xff, 255, 0x00, 0xee, 0xff, 255, 0xaa, 0xee, 0xff, 255, 0xab, 0xee, 0xff, 255
];
var target_data;
var target_data_check_arr = [
0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255, 0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255,
0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255, 0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255,
0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255, 0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255,
0x00, 0xff, 0x00, 255, 0x00, 0xff, 0x00, 255, 0x00, 0x00, 0xff, 255, 0x00, 0x00, 0xff, 255
];
var target_data_check;
before(function () {
// NB(directxman12): PhantomJS 1.x doesn't implement Uint8ClampedArray
target_data = new Uint8Array(target_data_arr);
target_data_check = new Uint8Array(target_data_check_arr);
});
function send_fbu_msg (rect_info, rect_data, client, rect_cnt) {
var data = [];
if (!rect_cnt || rect_cnt > -1) {
// header
data.push(0); // msg type
data.push(0); // padding
data.push16(rect_cnt || rect_data.length);
}
for (var i = 0; i < rect_data.length; i++) {
if (rect_info[i]) {
data.push16(rect_info[i].x);
data.push16(rect_info[i].y);
data.push16(rect_info[i].width);
data.push16(rect_info[i].height);
data.push32(rect_info[i].encoding);
}
data = data.concat(rect_data[i]);
}
client._sock._websocket._receive_data(new Uint8Array(data));
}
it('should send an update request if there is sufficient data', function () {
var expected_msg = {_sQ: new Uint8Array(10), _sQlen: 0, flush: function() {}};
RFB.messages.fbUpdateRequest(expected_msg, false, 0, 0, 240, 20);
client._framebufferUpdate = function () { return true; };
client._sock._websocket._receive_data(new Uint8Array([0]));
expect(client._sock).to.have.sent(expected_msg._sQ);
});
it('should not send an update request if we need more data', function () {
client._sock._websocket._receive_data(new Uint8Array([0]));
expect(client._sock._websocket._get_sent_data()).to.have.length(0);
});
it('should resume receiving an update if we previously did not have enough data', function () {
var expected_msg = {_sQ: new Uint8Array(10), _sQlen: 0, flush: function() {}};
RFB.messages.fbUpdateRequest(expected_msg, false, 0, 0, 240, 20);
// just enough to set FBU.rects
client._sock._websocket._receive_data(new Uint8Array([0, 0, 0, 3]));
expect(client._sock._websocket._get_sent_data()).to.have.length(0);
client._framebufferUpdate = function () { return true; }; // we magically have enough data
// 247 should *not* be used as the message type here
client._sock._websocket._receive_data(new Uint8Array([247]));
expect(client._sock).to.have.sent(expected_msg._sQ);
});
it('should send a request for both clean and dirty areas', function () {
var expected_msg = {_sQ: new Uint8Array(20), _sQlen: 0, flush: function() {}};
var expected_cdr = { cleanBox: { x: 0, y: 0, w: 120, h: 20 },
dirtyBoxes: [ { x: 120, y: 0, w: 120, h: 20 } ] };
RFB.messages.fbUpdateRequest(expected_msg, true, 0, 0, 120, 20);
RFB.messages.fbUpdateRequest(expected_msg, false, 120, 0, 120, 20);
client._framebufferUpdate = function () { return true; };
client._display.getCleanDirtyReset = function () { return expected_cdr; };
client._sock._websocket._receive_data(new Uint8Array([0]));
expect(client._sock).to.have.sent(expected_msg._sQ);
});
it('should only request non-incremental rects in continuous updates mode', function () {
var expected_msg = {_sQ: new Uint8Array(10), _sQlen: 0, flush: function() {}};
var expected_cdr = { cleanBox: { x: 0, y: 0, w: 120, h: 20 },
dirtyBoxes: [ { x: 120, y: 0, w: 120, h: 20 } ] };
RFB.messages.fbUpdateRequest(expected_msg, false, 120, 0, 120, 20);
client._enabledContinuousUpdates = true;
client._framebufferUpdate = function () { return true; };
client._display.getCleanDirtyReset = function () { return expected_cdr; };
client._sock._websocket._receive_data(new Uint8Array([0]));
expect(client._sock).to.have.sent(expected_msg._sQ);
});
it('should not send a request in continuous updates mode when clean', function () {
var expected_cdr = { cleanBox: { x: 0, y: 0, w: 240, h: 20 },
dirtyBoxes: [] };
client._enabledContinuousUpdates = true;
client._framebufferUpdate = function () { return true; };
client._display.getCleanDirtyReset = function () { return expected_cdr; };
client._sock._websocket._receive_data(new Uint8Array([0]));
expect(client._sock._websocket._get_sent_data()).to.have.length(0);
});
it('should parse out information from a header before any actual data comes in', function () {
client.set_onFBUReceive(sinon.spy());
var rect_info = { x: 8, y: 11, width: 27, height: 32, encoding: 0x02, encodingName: 'RRE' };
send_fbu_msg([rect_info], [[]], client);
var spy = client.get_onFBUReceive();
expect(spy).to.have.been.calledOnce;
expect(spy).to.have.been.calledWith(sinon.match.any, rect_info);
});
it('should fire onFBUComplete when the update is complete', function () {
client.set_onFBUComplete(sinon.spy());
var rect_info = { x: 8, y: 11, width: 27, height: 32, encoding: -224, encodingName: 'last_rect' };
send_fbu_msg([rect_info], [[]], client); // last_rect
var spy = client.get_onFBUComplete();
expect(spy).to.have.been.calledOnce;
expect(spy).to.have.been.calledWith(sinon.match.any, rect_info);
});
it('should not fire onFBUComplete if we have not finished processing the update', function () {
client.set_onFBUComplete(sinon.spy());
var rect_info = { x: 8, y: 11, width: 27, height: 32, encoding: 0x00, encodingName: 'RAW' };
send_fbu_msg([rect_info], [[]], client);
expect(client.get_onFBUComplete()).to.not.have.been.called;
});
it('should call the appropriate encoding handler', function () {
client._encHandlers[0x02] = sinon.spy();
var rect_info = { x: 8, y: 11, width: 27, height: 32, encoding: 0x02 };
send_fbu_msg([rect_info], [[]], client);
expect(client._encHandlers[0x02]).to.have.been.calledOnce;
});
it('should fail on an unsupported encoding', function () {
client.set_onFBUReceive(sinon.spy());
var rect_info = { x: 8, y: 11, width: 27, height: 32, encoding: 234 };
send_fbu_msg([rect_info], [[]], client);
expect(client._rfb_state).to.equal('failed');
});
it('should be able to pause and resume receiving rects if not enought data', function () {
// seed some initial data to copy
client._fb_width = 4;
client._fb_height = 4;
client._display.resize(4, 4);
var initial_data = client._display._drawCtx.createImageData(4, 2);
var initial_data_arr = target_data_check_arr.slice(0, 32);
for (var i = 0; i < 32; i++) { initial_data.data[i] = initial_data_arr[i]; }
client._display._drawCtx.putImageData(initial_data, 0, 0);
var info = [{ x: 0, y: 2, width: 2, height: 2, encoding: 0x01},
{ x: 2, y: 2, width: 2, height: 2, encoding: 0x01}];
// data says [{ old_x: 0, old_y: 0 }, { old_x: 0, old_y: 0 }]
var rects = [[0, 2, 0, 0], [0, 0, 0, 0]];
send_fbu_msg([info[0]], [rects[0]], client, 2);
send_fbu_msg([info[1]], [rects[1]], client, -1);
expect(client._display).to.have.displayed(target_data_check);
});
describe('Message Encoding Handlers', function () {
var client;
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
client._rfb_state = 'normal';
client._fb_name = 'some device';
// a really small frame
client._fb_width = 4;
client._fb_height = 4;
client._display._fb_width = 4;
client._display._fb_height = 4;
client._display._viewportLoc.w = 4;
client._display._viewportLoc.h = 4;
client._fb_Bpp = 4;
});
it('should handle the RAW encoding', function () {
var info = [{ x: 0, y: 0, width: 2, height: 2, encoding: 0x00 },
{ x: 2, y: 0, width: 2, height: 2, encoding: 0x00 },
{ x: 0, y: 2, width: 4, height: 1, encoding: 0x00 },
{ x: 0, y: 3, width: 4, height: 1, encoding: 0x00 }];
// data is in bgrx
var rects = [
[0x00, 0x00, 0xff, 0, 0x00, 0xff, 0x00, 0, 0x00, 0xff, 0x00, 0, 0x00, 0x00, 0xff, 0],
[0xff, 0x00, 0x00, 0, 0xff, 0x00, 0x00, 0, 0xff, 0x00, 0x00, 0, 0xff, 0x00, 0x00, 0],
[0xff, 0x00, 0xee, 0, 0xff, 0xee, 0x00, 0, 0xff, 0xee, 0xaa, 0, 0xff, 0xee, 0xab, 0],
[0xff, 0x00, 0xee, 0, 0xff, 0xee, 0x00, 0, 0xff, 0xee, 0xaa, 0, 0xff, 0xee, 0xab, 0]];
send_fbu_msg(info, rects, client);
expect(client._display).to.have.displayed(target_data);
});
it('should handle the COPYRECT encoding', function () {
// seed some initial data to copy
var initial_data = client._display._drawCtx.createImageData(4, 2);
var initial_data_arr = target_data_check_arr.slice(0, 32);
for (var i = 0; i < 32; i++) { initial_data.data[i] = initial_data_arr[i]; }
client._display._drawCtx.putImageData(initial_data, 0, 0);
var info = [{ x: 0, y: 2, width: 2, height: 2, encoding: 0x01},
{ x: 2, y: 2, width: 2, height: 2, encoding: 0x01}];
// data says [{ old_x: 0, old_y: 0 }, { old_x: 0, old_y: 0 }]
var rects = [[0, 2, 0, 0], [0, 0, 0, 0]];
send_fbu_msg(info, rects, client);
expect(client._display).to.have.displayed(target_data_check);
});
// TODO(directxman12): for encodings with subrects, test resuming on partial send?
// TODO(directxman12): test rre_chunk_sz (related to above about subrects)?
it('should handle the RRE encoding', function () {
var info = [{ x: 0, y: 0, width: 4, height: 4, encoding: 0x02 }];
var rect = [];
rect.push32(2); // 2 subrects
rect.push32(0xff00ff); // becomes 00ff00ff --> #00FF00 bg color
rect.push(0xff); // becomes ff0000ff --> #0000FF color
rect.push(0x00);
rect.push(0x00);
rect.push(0xff);
rect.push16(0); // x: 0
rect.push16(0); // y: 0
rect.push16(2); // width: 2
rect.push16(2); // height: 2
rect.push(0xff); // becomes ff0000ff --> #0000FF color
rect.push(0x00);
rect.push(0x00);
rect.push(0xff);
rect.push16(2); // x: 2
rect.push16(2); // y: 2
rect.push16(2); // width: 2
rect.push16(2); // height: 2
send_fbu_msg(info, [rect], client);
expect(client._display).to.have.displayed(target_data_check);
});
describe('the HEXTILE encoding handler', function () {
var client;
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
client._rfb_state = 'normal';
client._fb_name = 'some device';
// a really small frame
client._fb_width = 4;
client._fb_height = 4;
client._display._fb_width = 4;
client._display._fb_height = 4;
client._display._viewportLoc.w = 4;
client._display._viewportLoc.h = 4;
client._fb_Bpp = 4;
});
it('should handle a tile with fg, bg specified, normal subrects', function () {
var info = [{ x: 0, y: 0, width: 4, height: 4, encoding: 0x05 }];
var rect = [];
rect.push(0x02 | 0x04 | 0x08); // bg spec, fg spec, anysubrects
rect.push32(0xff00ff); // becomes 00ff00ff --> #00FF00 bg color
rect.push(0xff); // becomes ff0000ff --> #0000FF fg color
rect.push(0x00);
rect.push(0x00);
rect.push(0xff);
rect.push(2); // 2 subrects
rect.push(0); // x: 0, y: 0
rect.push(1 | (1 << 4)); // width: 2, height: 2
rect.push(2 | (2 << 4)); // x: 2, y: 2
rect.push(1 | (1 << 4)); // width: 2, height: 2
send_fbu_msg(info, [rect], client);
expect(client._display).to.have.displayed(target_data_check);
});
it('should handle a raw tile', function () {
var info = [{ x: 0, y: 0, width: 4, height: 4, encoding: 0x05 }];
var rect = [];
rect.push(0x01); // raw
for (var i = 0; i < target_data.length; i += 4) {
rect.push(target_data[i + 2]);
rect.push(target_data[i + 1]);
rect.push(target_data[i]);
rect.push(target_data[i + 3]);
}
send_fbu_msg(info, [rect], client);
expect(client._display).to.have.displayed(target_data);
});
it('should handle a tile with only bg specified (solid bg)', function () {
var info = [{ x: 0, y: 0, width: 4, height: 4, encoding: 0x05 }];
var rect = [];
rect.push(0x02);
rect.push32(0xff00ff); // becomes 00ff00ff --> #00FF00 bg color
send_fbu_msg(info, [rect], client);
var expected = [];
for (var i = 0; i < 16; i++) { expected.push32(0xff00ff); }
expect(client._display).to.have.displayed(new Uint8Array(expected));
});
it('should handle a tile with only bg specified and an empty frame afterwards', function () {
// set the width so we can have two tiles
client._fb_width = 8;
client._display._fb_width = 8;
client._display._viewportLoc.w = 8;
var info = [{ x: 0, y: 0, width: 32, height: 4, encoding: 0x05 }];
var rect = [];
// send a bg frame
rect.push(0x02);
rect.push32(0xff00ff); // becomes 00ff00ff --> #00FF00 bg color
// send an empty frame
rect.push(0x00);
send_fbu_msg(info, [rect], client);
var expected = [];
var i;
for (i = 0; i < 16; i++) { expected.push32(0xff00ff); } // rect 1: solid
for (i = 0; i < 16; i++) { expected.push32(0xff00ff); } // rect 2: same bkground color
expect(client._display).to.have.displayed(new Uint8Array(expected));
});
it('should handle a tile with bg and coloured subrects', function () {
var info = [{ x: 0, y: 0, width: 4, height: 4, encoding: 0x05 }];
var rect = [];
rect.push(0x02 | 0x08 | 0x10); // bg spec, anysubrects, colouredsubrects
rect.push32(0xff00ff); // becomes 00ff00ff --> #00FF00 bg color
rect.push(2); // 2 subrects
rect.push(0xff); // becomes ff0000ff --> #0000FF fg color
rect.push(0x00);
rect.push(0x00);
rect.push(0xff);
rect.push(0); // x: 0, y: 0
rect.push(1 | (1 << 4)); // width: 2, height: 2
rect.push(0xff); // becomes ff0000ff --> #0000FF fg color
rect.push(0x00);
rect.push(0x00);
rect.push(0xff);
rect.push(2 | (2 << 4)); // x: 2, y: 2
rect.push(1 | (1 << 4)); // width: 2, height: 2
send_fbu_msg(info, [rect], client);
expect(client._display).to.have.displayed(target_data_check);
});
it('should carry over fg and bg colors from the previous tile if not specified', function () {
client._fb_width = 4;
client._fb_height = 17;
client._display.resize(4, 17);
var info = [{ x: 0, y: 0, width: 4, height: 17, encoding: 0x05}];
var rect = [];
rect.push(0x02 | 0x04 | 0x08); // bg spec, fg spec, anysubrects
rect.push32(0xff00ff); // becomes 00ff00ff --> #00FF00 bg color
rect.push(0xff); // becomes ff0000ff --> #0000FF fg color
rect.push(0x00);
rect.push(0x00);
rect.push(0xff);
rect.push(8); // 8 subrects
var i;
for (i = 0; i < 4; i++) {
rect.push((0 << 4) | (i * 4)); // x: 0, y: i*4
rect.push(1 | (1 << 4)); // width: 2, height: 2
rect.push((2 << 4) | (i * 4 + 2)); // x: 2, y: i * 4 + 2
rect.push(1 | (1 << 4)); // width: 2, height: 2
}
rect.push(0x08); // anysubrects
rect.push(1); // 1 subrect
rect.push(0); // x: 0, y: 0
rect.push(1 | (1 << 4)); // width: 2, height: 2
send_fbu_msg(info, [rect], client);
var expected = [];
for (i = 0; i < 4; i++) { expected = expected.concat(target_data_check_arr); }
expected = expected.concat(target_data_check_arr.slice(0, 16));
expect(client._display).to.have.displayed(new Uint8Array(expected));
});
it('should fail on an invalid subencoding', function () {
var info = [{ x: 0, y: 0, width: 4, height: 4, encoding: 0x05 }];
var rects = [[45]]; // an invalid subencoding
send_fbu_msg(info, rects, client);
expect(client._rfb_state).to.equal('failed');
});
});
it.skip('should handle the TIGHT encoding', function () {
// TODO(directxman12): test this
});
it.skip('should handle the TIGHT_PNG encoding', function () {
// TODO(directxman12): test this
});
it('should handle the DesktopSize pseduo-encoding', function () {
client.set_onFBResize(sinon.spy());
sinon.spy(client._display, 'resize');
send_fbu_msg([{ x: 0, y: 0, width: 20, height: 50, encoding: -223 }], [[]], client);
var spy = client.get_onFBResize();
expect(spy).to.have.been.calledOnce;
expect(spy).to.have.been.calledWith(sinon.match.any, 20, 50);
expect(client._fb_width).to.equal(20);
expect(client._fb_height).to.equal(50);
expect(client._display.resize).to.have.been.calledOnce;
expect(client._display.resize).to.have.been.calledWith(20, 50);
});
describe('the ExtendedDesktopSize pseudo-encoding handler', function () {
var client;
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
client._rfb_state = 'normal';
client._fb_name = 'some device';
client._supportsSetDesktopSize = false;
// a really small frame
client._fb_width = 4;
client._fb_height = 4;
client._display._fb_width = 4;
client._display._fb_height = 4;
client._display._viewportLoc.w = 4;
client._display._viewportLoc.h = 4;
client._fb_Bpp = 4;
sinon.spy(client._display, 'resize');
client.set_onFBResize(sinon.spy());
});
function make_screen_data (nr_of_screens) {
var data = [];
data.push8(nr_of_screens); // number-of-screens
data.push8(0); // padding
data.push16(0); // padding
for (var i=0; i<nr_of_screens; i += 1) {
data.push32(0); // id
data.push16(0); // x-position
data.push16(0); // y-position
data.push16(20); // width
data.push16(50); // height
data.push32(0); // flags
}
return data;
}
it('should handle a resize requested by this client', function () {
var reason_for_change = 1; // requested by this client
var status_code = 0; // No error
send_fbu_msg([{ x: reason_for_change, y: status_code,
width: 20, height: 50, encoding: -308 }],
make_screen_data(1), client);
expect(client._supportsSetDesktopSize).to.be.true;
expect(client._fb_width).to.equal(20);
expect(client._fb_height).to.equal(50);
expect(client._display.resize).to.have.been.calledOnce;
expect(client._display.resize).to.have.been.calledWith(20, 50);
var spy = client.get_onFBResize();
expect(spy).to.have.been.calledOnce;
expect(spy).to.have.been.calledWith(sinon.match.any, 20, 50);
});
it('should handle a resize requested by another client', function () {
var reason_for_change = 2; // requested by another client
var status_code = 0; // No error
send_fbu_msg([{ x: reason_for_change, y: status_code,
width: 20, height: 50, encoding: -308 }],
make_screen_data(1), client);
expect(client._supportsSetDesktopSize).to.be.true;
expect(client._fb_width).to.equal(20);
expect(client._fb_height).to.equal(50);
expect(client._display.resize).to.have.been.calledOnce;
expect(client._display.resize).to.have.been.calledWith(20, 50);
var spy = client.get_onFBResize();
expect(spy).to.have.been.calledOnce;
expect(spy).to.have.been.calledWith(sinon.match.any, 20, 50);
});
it('should be able to recieve requests which contain data for multiple screens', function () {
var reason_for_change = 2; // requested by another client
var status_code = 0; // No error
send_fbu_msg([{ x: reason_for_change, y: status_code,
width: 60, height: 50, encoding: -308 }],
make_screen_data(3), client);
expect(client._supportsSetDesktopSize).to.be.true;
expect(client._fb_width).to.equal(60);
expect(client._fb_height).to.equal(50);
expect(client._display.resize).to.have.been.calledOnce;
expect(client._display.resize).to.have.been.calledWith(60, 50);
var spy = client.get_onFBResize();
expect(spy).to.have.been.calledOnce;
expect(spy).to.have.been.calledWith(sinon.match.any, 60, 50);
});
it('should not handle a failed request', function () {
var reason_for_change = 1; // requested by this client
var status_code = 1; // Resize is administratively prohibited
send_fbu_msg([{ x: reason_for_change, y: status_code,
width: 20, height: 50, encoding: -308 }],
make_screen_data(1), client);
expect(client._fb_width).to.equal(4);
expect(client._fb_height).to.equal(4);
expect(client._display.resize).to.not.have.been.called;
var spy = client.get_onFBResize();
expect(spy).to.not.have.been.called;
});
});
it.skip('should handle the Cursor pseudo-encoding', function () {
// TODO(directxman12): test
});
it('should handle the last_rect pseudo-encoding', function () {
client.set_onFBUReceive(sinon.spy());
send_fbu_msg([{ x: 0, y: 0, width: 0, height: 0, encoding: -224}], [[]], client, 100);
expect(client._FBU.rects).to.equal(0);
expect(client.get_onFBUReceive()).to.have.been.calledOnce;
});
});
});
it('should set the colour map on the display on SetColourMapEntries', function () {
var expected_cm = [];
var data = [1, 0, 0, 1, 0, 4];
var i;
for (i = 0; i < 4; i++) {
expected_cm[i + 1] = [i * 10, i * 10 + 1, i * 10 + 2];
data.push16(expected_cm[i + 1][2] << 8);
data.push16(expected_cm[i + 1][1] << 8);
data.push16(expected_cm[i + 1][0] << 8);
}
client._sock._websocket._receive_data(new Uint8Array(data));
expect(client._display.get_colourMap()).to.deep.equal(expected_cm);
});
describe('XVP Message Handling', function () {
beforeEach(function () {
client = make_rfb();
client.connect('host', 8675);
client._sock._websocket._open();
client._rfb_state = 'normal';
client._fb_name = 'some device';
client._fb_width = 27;
client._fb_height = 32;
});
it('should call updateState with a message on XVP_FAIL, but keep the same state', function () {
client._updateState = sinon.spy();
client._sock._websocket._receive_data(new Uint8Array([250, 0, 10, 0]));
expect(client._updateState).to.have.been.calledOnce;
expect(client._updateState).to.have.been.calledWith('normal', 'Operation Failed');
});
it('should set the XVP version and fire the callback with the version on XVP_INIT', function () {
client.set_onXvpInit(sinon.spy());
client._sock._websocket._receive_data(new Uint8Array([250, 0, 10, 1]));
expect(client._rfb_xvp_ver).to.equal(10);
expect(client.get_onXvpInit()).to.have.been.calledOnce;
expect(client.get_onXvpInit()).to.have.been.calledWith(10);
});
it('should fail on unknown XVP message types', function () {
client._sock._websocket._receive_data(new Uint8Array([250, 0, 10, 237]));
expect(client._rfb_state).to.equal('failed');
});
});
it('should fire the clipboard callback with the retrieved text on ServerCutText', function () {
var expected_str = 'cheese!';
var data = [3, 0, 0, 0];
data.push32(expected_str.length);
for (var i = 0; i < expected_str.length; i++) { data.push(expected_str.charCodeAt(i)); }
client.set_onClipboard(sinon.spy());
client._sock._websocket._receive_data(new Uint8Array(data));
var spy = client.get_onClipboard();
expect(spy).to.have.been.calledOnce;
expect(spy.args[0][1]).to.equal(expected_str);
});
it('should fire the bell callback on Bell', function () {
client.set_onBell(sinon.spy());
client._sock._websocket._receive_data(new Uint8Array([2]));
expect(client.get_onBell()).to.have.been.calledOnce;
});
it('should respond correctly to ServerFence', function () {
var expected_msg = {_sQ: new Uint8Array(16), _sQlen: 0, flush: function() {}};
var incoming_msg = {_sQ: new Uint8Array(16), _sQlen: 0, flush: function() {}};
var payload = "foo\x00ab9";
// ClientFence and ServerFence are identical in structure
RFB.messages.clientFence(expected_msg, (1<<0) | (1<<1), payload);
RFB.messages.clientFence(incoming_msg, 0xffffffff, payload);
client._sock._websocket._receive_data(incoming_msg._sQ);
expect(client._sock).to.have.sent(expected_msg._sQ);
expected_msg._sQlen = 0;
incoming_msg._sQlen = 0;
RFB.messages.clientFence(expected_msg, (1<<0), payload);
RFB.messages.clientFence(incoming_msg, (1<<0) | (1<<31), payload);
client._sock._websocket._receive_data(incoming_msg._sQ);
expect(client._sock).to.have.sent(expected_msg._sQ);
});
it('should enable continuous updates on first EndOfContinousUpdates', function () {
var expected_msg = {_sQ: new Uint8Array(10), _sQlen: 0, flush: function() {}};
RFB.messages.enableContinuousUpdates(expected_msg, true, 0, 0, 640, 20);
expect(client._enabledContinuousUpdates).to.be.false;
client._sock._websocket._receive_data(new Uint8Array([150]));
expect(client._enabledContinuousUpdates).to.be.true;
expect(client._sock).to.have.sent(expected_msg._sQ);
});
it('should disable continuous updates on subsequent EndOfContinousUpdates', function () {
client._enabledContinuousUpdates = true;
client._supportsContinuousUpdates = true;
client._sock._websocket._receive_data(new Uint8Array([150]));
expect(client._enabledContinuousUpdates).to.be.false;
});
it('should update continuous updates on resize', function () {
var expected_msg = {_sQ: new Uint8Array(10), _sQlen: 0, flush: function() {}};
RFB.messages.enableContinuousUpdates(expected_msg, true, 0, 0, 90, 700);
client._FBU.width = 450;
client._FBU.height = 160;
client._encHandlers.handle_FB_resize();
expect(client._sock._websocket._get_sent_data()).to.have.length(0);
client._enabledContinuousUpdates = true;
client._FBU.width = 90;
client._FBU.height = 700;
client._encHandlers.handle_FB_resize();
expect(client._sock).to.have.sent(expected_msg._sQ);
});
it('should fail on an unknown message type', function () {
client._sock._websocket._receive_data(new Uint8Array([87]));
expect(client._rfb_state).to.equal('failed');
});
});
describe('Asynchronous Events', function () {
describe('Mouse event handlers', function () {
var client;
beforeEach(function () {
client = make_rfb();
client._sock = new Websock();
client._sock.open('ws://', 'binary');
client._sock._websocket._open();
sinon.spy(client._sock, 'flush');
client._rfb_state = 'normal';
});
it('should not send button messages in view-only mode', function () {
client._view_only = true;
client._mouse._onMouseButton(0, 0, 1, 0x001);
expect(client._sock.flush).to.not.have.been.called;
});
it('should not send movement messages in view-only mode', function () {
client._view_only = true;
client._mouse._onMouseMove(0, 0);
expect(client._sock.flush).to.not.have.been.called;
});
it('should send a pointer event on mouse button presses', function () {
client._mouse._onMouseButton(10, 12, 1, 0x001);
var pointer_msg = {_sQ: new Uint8Array(6), _sQlen: 0, flush: function () {}};
RFB.messages.pointerEvent(pointer_msg, 10, 12, 0x001);
expect(client._sock).to.have.sent(pointer_msg._sQ);
});
it('should send a mask of 1 on mousedown', function () {
client._mouse._onMouseButton(10, 12, 1, 0x001);
var pointer_msg = {_sQ: new Uint8Array(6), _sQlen: 0, flush: function () {}};
RFB.messages.pointerEvent(pointer_msg, 10, 12, 0x001);
expect(client._sock).to.have.sent(pointer_msg._sQ);
});
it('should send a mask of 0 on mouseup', function () {
client._mouse_buttonMask = 0x001;
client._mouse._onMouseButton(10, 12, 0, 0x001);
var pointer_msg = {_sQ: new Uint8Array(6), _sQlen: 0, flush: function () {}};
RFB.messages.pointerEvent(pointer_msg, 10, 12, 0x000);
expect(client._sock).to.have.sent(pointer_msg._sQ);
});
it('should send a pointer event on mouse movement', function () {
client._mouse._onMouseMove(10, 12);
var pointer_msg = {_sQ: new Uint8Array(6), _sQlen: 0, flush: function () {}};
RFB.messages.pointerEvent(pointer_msg, 10, 12, 0x000);
expect(client._sock).to.have.sent(pointer_msg._sQ);
});
it('should set the button mask so that future mouse movements use it', function () {
client._mouse._onMouseButton(10, 12, 1, 0x010);
client._mouse._onMouseMove(13, 9);
var pointer_msg = {_sQ: new Uint8Array(12), _sQlen: 0, flush: function () {}};
RFB.messages.pointerEvent(pointer_msg, 10, 12, 0x010);
RFB.messages.pointerEvent(pointer_msg, 13, 9, 0x010);
expect(client._sock).to.have.sent(pointer_msg._sQ);
});
// NB(directxman12): we don't need to test not sending messages in
// non-normal modes, since we haven't grabbed input
// yet (grabbing input should be checked in the lifecycle tests).
it('should not send movement messages when viewport dragging', function () {
client._viewportDragging = true;
client._display.viewportChangePos = sinon.spy();
client._mouse._onMouseMove(13, 9);
expect(client._sock.flush).to.not.have.been.called;
});
it('should not send button messages when initiating viewport dragging', function () {
client._viewportDrag = true;
client._mouse._onMouseButton(13, 9, 0x001);
expect(client._sock.flush).to.not.have.been.called;
});
it('should be initiate viewport dragging on a button down event, if enabled', function () {
client._viewportDrag = true;
client._mouse._onMouseButton(13, 9, 0x001);
expect(client._viewportDragging).to.be.true;
expect(client._viewportDragPos).to.deep.equal({ x: 13, y: 9 });
});
it('should terminate viewport dragging on a button up event, if enabled', function () {
client._viewportDrag = true;
client._viewportDragging = true;
client._mouse._onMouseButton(13, 9, 0x000);
expect(client._viewportDragging).to.be.false;
});
it('if enabled, viewportDragging should occur on mouse movement while a button is down', function () {
client._viewportDrag = true;
client._viewportDragging = true;
client._viewportHasMoved = false;
client._viewportDragPos = { x: 23, y: 9 };
client._display.viewportChangePos = sinon.spy();
client._mouse._onMouseMove(10, 4);
expect(client._viewportDragging).to.be.true;
expect(client._viewportHasMoved).to.be.true;
expect(client._viewportDragPos).to.deep.equal({ x: 10, y: 4 });
expect(client._display.viewportChangePos).to.have.been.calledOnce;
expect(client._display.viewportChangePos).to.have.been.calledWith(13, 5);
});
});
describe('Keyboard Event Handlers', function () {
var client;
beforeEach(function () {
client = make_rfb();
client._sock = new Websock();
client._sock.open('ws://', 'binary');
client._sock._websocket._open();
sinon.spy(client._sock, 'flush');
});
it('should send a key message on a key press', function () {
var keyevent = {};
keyevent.type = 'keydown';
keyevent.keysym = {};
keyevent.keysym.keysym = 1234;
client._keyboard._onKeyPress(keyevent);
var key_msg = {_sQ: new Uint8Array(8), _sQlen: 0, flush: function () {}};
RFB.messages.keyEvent(key_msg, 1234, 1);
expect(client._sock).to.have.sent(key_msg._sQ);
});
it('should not send messages in view-only mode', function () {
client._view_only = true;
client._keyboard._onKeyPress(1234, 1);
expect(client._sock.flush).to.not.have.been.called;
});
});
describe('WebSocket event handlers', function () {
var client;
beforeEach(function () {
client = make_rfb();
this.clock = sinon.useFakeTimers();
});
afterEach(function () { this.clock.restore(); });
// message events
it ('should do nothing if we receive an empty message and have nothing in the queue', function () {
client.connect('host', 8675);
client._rfb_state = 'normal';
client._normal_msg = sinon.spy();
client._sock._websocket._receive_data(new Uint8Array([]));
expect(client._normal_msg).to.not.have.been.called;
});
it('should handle a message in the normal state as a normal message', function () {
client.connect('host', 8675);
client._rfb_state = 'normal';
client._normal_msg = sinon.spy();
client._sock._websocket._receive_data(new Uint8Array([1, 2, 3]));
expect(client._normal_msg).to.have.been.calledOnce;
});
it('should handle a message in any non-disconnected/failed state like an init message', function () {
client.connect('host', 8675);
client._rfb_state = 'ProtocolVersion';
client._init_msg = sinon.spy();
client._sock._websocket._receive_data(new Uint8Array([1, 2, 3]));
expect(client._init_msg).to.have.been.calledOnce;
});
it('should split up the handling of muplitle normal messages across 10ms intervals', function () {
client.connect('host', 8675);
client._sock._websocket._open();
client._rfb_state = 'normal';
client.set_onBell(sinon.spy());
client._sock._websocket._receive_data(new Uint8Array([0x02, 0x02]));
expect(client.get_onBell()).to.have.been.calledOnce;
this.clock.tick(20);
expect(client.get_onBell()).to.have.been.calledTwice;
});
// open events
it('should update the state to ProtocolVersion on open (if the state is "connect")', function () {
client.connect('host', 8675);
client._sock._websocket._open();
expect(client._rfb_state).to.equal('ProtocolVersion');
});
it('should fail if we are not currently ready to connect and we get an "open" event', function () {
client.connect('host', 8675);
client._rfb_state = 'some_other_state';
client._sock._websocket._open();
expect(client._rfb_state).to.equal('failed');
});
// close events
it('should transition to "disconnected" from "disconnect" on a close event', function () {
client.connect('host', 8675);
client._rfb_state = 'disconnect';
client._sock._websocket.close();
expect(client._rfb_state).to.equal('disconnected');
});
it('should transition to failed if we get a close event from any non-"disconnection" state', function () {
client.connect('host', 8675);
client._rfb_state = 'normal';
client._sock._websocket.close();
expect(client._rfb_state).to.equal('failed');
});
it('should unregister close event handler', function () {
sinon.spy(client._sock, 'off');
client.connect('host', 8675);
client._rfb_state = 'disconnect';
client._sock._websocket.close();
expect(client._sock.off).to.have.been.calledWith('close');
});
// error events do nothing
});
});
});