/* jshint expr: true */ var assert = chai.assert; var expect = chai.expect; import RFB from '../core/rfb.js'; import Websock from '../core/websock.js'; import { encodings } from '../core/encodings.js'; import FakeWebSocket from './fake.websocket.js'; import sinon from '../vendor/sinon.js'; function make_rfb (extra_opts) { extra_opts = extra_opts || {}; return new RFB(document.createElement('canvas'), extra_opts); } var push8 = function (arr, num) { "use strict"; arr.push(num & 0xFF); }; var push16 = function (arr, num) { "use strict"; arr.push((num >> 8) & 0xFF, num & 0xFF); }; var push32 = function (arr, num) { "use strict"; arr.push((num >> 24) & 0xFF, (num >> 16) & 0xFF, (num >> 8) & 0xFF, num & 0xFF); }; 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._updateConnectionState = sinon.spy(); }); it('should set the current state to "connecting"', function () { client.connect('wss://host:8675'); expect(client._updateConnectionState).to.have.been.calledOnce; expect(client._updateConnectionState).to.have.been.calledWith('connecting'); }); it('should not try to connect if we are missing a URL', function () { client._fail = sinon.spy(); client._rfb_connection_state = ''; client.connect(undefined); expect(client._fail).to.have.been.calledOnce; expect(client._updateConnectionState).to.not.have.been.called; expect(client._rfb_connection_state).to.equal(''); }); }); describe('#disconnect', function () { beforeEach(function () { client._updateConnectionState = sinon.spy(); }); it('should set the current state to "disconnecting"', function () { client.disconnect(); expect(client._updateConnectionState).to.have.been.calledOnce; expect(client._updateConnectionState).to.have.been.calledWith('disconnecting'); }); 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('#sendCredentials', function () { beforeEach(function () { this.clock = sinon.useFakeTimers(); }); afterEach(function () { this.clock.restore(); }); it('should set the rfb credentials properly"', function () { client.sendCredentials({ password: 'pass' }); expect(client._rfb_credentials).to.deep.equal({ password: 'pass' }); }); it('should call init_msg "soon"', function () { client._init_msg = sinon.spy(); client.sendCredentials({ password: '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_connection_state = 'connected'; 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_connection_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_connection_state = 'connected'; 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, 'Key123', 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, 'Key123'); 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_connection_state = "broken"; client.sendKey(123, 'Key123'); 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, 'Key123'); expect(client._sock.flush).to.not.have.been.called; }); it('should send QEMU extended events if supported', function () { client._qemuExtKeyEventSupported = true; var expected = {_sQ: new Uint8Array(12), _sQlen: 0, flush: function () {}}; RFB.messages.QEMUExtendedKeyEvent(expected, 0x20, true, 0x0039); client.sendKey(0x20, 'Space', true); expect(client._sock).to.have.sent(expected._sQ); }); it('should not send QEMU extended events if unknown key code', function () { client._qemuExtKeyEventSupported = true; var expected = {_sQ: new Uint8Array(8), _sQlen: 0, flush: function () {}}; RFB.messages.keyEvent(expected, 123, 1); client.sendKey(123, 'FooBar', true); expect(client._sock).to.have.sent(expected._sQ); }); }); 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_connection_state = 'connected'; 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_connection_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_connection_state = 'connected'; client._view_only = false; client._supportsSetDesktopSize = true; }); it('should send the request with the given width and height', function () { var expected = [251]; push8(expected, 0); // padding push16(expected, 1); // width push16(expected, 2); // height push8(expected, 1); // number-of-screens push8(expected, 0); // padding before screen array push32(expected, 0); // id push16(expected, 0); // x-position push16(expected, 0); // y-position push16(expected, 1); // width push16(expected, 2); // height push32(expected, 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_connection_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_connection_state = 'connected'; client._view_only = false; client._rfb_xvp_ver = 1; }); it('should send the shutdown signal on #machineShutdown', function () { client.machineShutdown(); expect(client._sock).to.have.sent(new Uint8Array([0xFA, 0x00, 0x01, 0x02])); }); it('should send the reboot signal on #machineReboot', function () { client.machineReboot(); expect(client._sock).to.have.sent(new Uint8Array([0xFA, 0x00, 0x01, 0x03])); }); it('should send the reset signal on #machineReset', function () { client.machineReset(); expect(client._sock).to.have.sent(new Uint8Array([0xFA, 0x00, 0x01, 0x04])); }); it('should not send XVP operations with higher versions than we support', function () { client._xvpOp(2, 7); expect(client._sock.flush).to.not.have.been.called; }); }); }); describe('Misc Internals', function () { describe('#_updateConnectionState', 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 "disconnecting"', function () { var spy = sinon.spy(); client._disconnTimer = setTimeout(spy, 50); client._updateConnectionState('connecting'); this.clock.tick(51); expect(spy).to.not.have.been.called; expect(client._disconnTimer).to.be.null; }); it('should call the updateState callback', function () { client.set_onUpdateState(sinon.spy()); client._updateConnectionState('connecting'); var spy = client.get_onUpdateState(); expect(spy.args[0][1]).to.equal('connecting'); }); it('should set the rfb_connection_state', function () { client._rfb_connection_state = 'disconnecting'; client._updateConnectionState('disconnected'); expect(client._rfb_connection_state).to.equal('disconnected'); }); it('should not change the state when we are disconnected', function () { client._rfb_connection_state = 'disconnected'; client._updateConnectionState('connecting'); expect(client._rfb_connection_state).to.not.equal('connecting'); }); it('should ignore state changes to the same state', function () { client.set_onUpdateState(sinon.spy()); client._rfb_connection_state = 'connecting'; client._updateConnectionState('connecting'); var spy = client.get_onUpdateState(); expect(spy).to.not.have.been.called; }); it('should ignore illegal state changes', function () { client.set_onUpdateState(sinon.spy()); client._rfb_connection_state = 'connected'; client._updateConnectionState('disconnected'); expect(client._rfb_connection_state).to.not.equal('disconnected'); var spy = client.get_onUpdateState(); expect(spy).to.not.have.been.called; }); }); describe('#_fail', function () { var client; beforeEach(function () { this.clock = sinon.useFakeTimers(); client = make_rfb(); client.connect('wss://host:8675'); }); afterEach(function () { this.clock.restore(); }); it('should close the WebSocket connection', function () { sinon.spy(client._sock, 'close'); client._fail(); expect(client._sock.close).to.have.been.calledOnce; }); it('should transition to disconnected', function () { sinon.spy(client, '_updateConnectionState'); client._fail(); this.clock.tick(2000); expect(client._updateConnectionState).to.have.been.called; expect(client._rfb_connection_state).to.equal('disconnected'); }); it('should set disconnect_reason', function () { client._rfb_connection_state = 'connected'; client._fail('a reason'); expect(client._rfb_disconnect_reason).to.equal('a reason'); }); it('should not include details in disconnect_reason', function () { client._rfb_connection_state = 'connected'; client._fail('a reason', 'details'); expect(client._rfb_disconnect_reason).to.equal('a reason'); }); it('should result in disconnect callback with message when reason given', function () { client._rfb_connection_state = 'connected'; client.set_onDisconnected(sinon.spy()); client._fail('a reason'); var spy = client.get_onDisconnected(); this.clock.tick(2000); expect(spy).to.have.been.calledOnce; expect(spy.args[0].length).to.equal(2); expect(spy.args[0][1]).to.equal('a reason'); }); }); describe('#_notification', function () { var client; beforeEach(function () { client = make_rfb(); }); it('should call the notification callback', function () { client.set_onNotification(sinon.spy()); client._notification('notify!', 'warn'); var spy = client.get_onNotification(); expect(spy).to.have.been.calledOnce; expect(spy.args[0][1]).to.equal('notify!'); expect(spy.args[0][2]).to.equal('warn'); }); it('should not call the notification callback when level is invalid', function () { client.set_onNotification(sinon.spy()); client._notification('notify!', 'invalid'); var spy = client.get_onNotification(); expect(spy).to.not.have.been.called; }); }); }); describe('Connection States', function () { describe('connecting', function () { var client; beforeEach(function () { client = make_rfb(); }); it('should actually connect to the websocket', function () { sinon.spy(client._sock, 'open'); client._updateConnectionState('connecting'); expect(client._sock.open).to.have.been.calledOnce; }); it('should use a url specified to connect', function () { sinon.spy(client._sock, 'open'); client._url = 'ws://HOST:8675/PATH'; client._updateConnectionState('connecting'); expect(client._sock.open).to.have.been.calledWith('ws://HOST:8675/PATH'); }); }); describe('disconnecting', function () { var client; beforeEach(function () { this.clock = sinon.useFakeTimers(); client = make_rfb(); client.connect('wss://host:8675'); }); afterEach(function () { this.clock.restore(); }); it('should force disconnect if we do not call Websock.onclose within the disconnection timeout', function () { sinon.spy(client, '_updateConnectionState'); client._sock._websocket.close = function () {}; // explicitly don't call onclose client._updateConnectionState('disconnecting'); this.clock.tick(client.get_disconnectTimeout() * 1000); expect(client._updateConnectionState).to.have.been.calledTwice; expect(client._rfb_disconnect_reason).to.not.equal(""); expect(client._rfb_connection_state).to.equal("disconnected"); }); it('should not fail if Websock.onclose gets called within the disconnection timeout', function () { client._updateConnectionState('disconnecting'); this.clock.tick(client.get_disconnectTimeout() * 500); client._sock._websocket.close(); this.clock.tick(client.get_disconnectTimeout() * 500 + 1); expect(client._rfb_connection_state).to.equal('disconnected'); }); it('should close the WebSocket connection', function () { sinon.spy(client._sock, 'close'); client._updateConnectionState('disconnecting'); expect(client._sock.close).to.have.been.calledOnce; }); }); describe('disconnected', function () { var client; beforeEach(function () { client = make_rfb(); }); it('should call the disconnect callback if the state is "disconnected"', function () { client.set_onDisconnected(sinon.spy()); client._rfb_connection_state = 'disconnecting'; client._rfb_disconnect_reason = "error"; client._updateConnectionState('disconnected'); var spy = client.get_onDisconnected(); expect(spy).to.have.been.calledOnce; expect(spy.args[0][1]).to.equal("error"); }); it('should not call the disconnect callback if the state is not "disconnected"', function () { client.set_onDisconnected(sinon.spy()); client._updateConnectionState('disconnecting'); var spy = client.get_onDisconnected(); expect(spy).to.not.have.been.called; }); it('should call the disconnect callback without msg when no reason given', function () { client.set_onDisconnected(sinon.spy()); client._rfb_connection_state = 'disconnecting'; client._rfb_disconnect_reason = ""; client._updateConnectionState('disconnected'); var spy = client.get_onDisconnected(); expect(spy).to.have.been.calledOnce; expect(spy.args[0].length).to.equal(1); }); it('should call the updateState callback before the disconnect callback', function () { client.set_onDisconnected(sinon.spy()); client.set_onUpdateState(sinon.spy()); client._rfb_connection_state = 'disconnecting'; client._updateConnectionState('disconnected'); var updateStateSpy = client.get_onUpdateState(); var disconnectSpy = client.get_onDisconnected(); expect(updateStateSpy.calledBefore(disconnectSpy)).to.be.true; }); }); // NB(directxman12): Connected does *nothing* in updateConnectionState }); describe('Protocol Initialization States', function () { describe('ProtocolVersion', function () { var client; beforeEach(function () { client = make_rfb(); client.connect('wss://host:8675'); client._sock._websocket._open(); }); 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('wss://host:8675'); client._sock._websocket._open(); }); 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 interpret version 005.000 as version 3.8', function () { send_ver('005.000', client); expect(client._rfb_version).to.equal(3.8); }); it('should fail on an invalid version', function () { sinon.spy(client, "_fail"); send_ver('002.000', client); expect(client._fail).to.have.been.calledOnce; }); }); 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_init_state).to.equal('Security'); }); describe('Repeater', function () { it('should interpret version 000.000 as a repeater', function () { client = make_rfb(); client.connect('wss://host:8675', { repeaterID: "12345" }); client._sock._websocket._open(); 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, 9)).to.array.equal(new Uint8Array([73, 68, 58, 49, 50, 51, 52, 53, 0])); expect(sent_data).to.have.length(250); }); it('should handle two step repeater negotiation', function () { client = make_rfb(); client.connect('wss://host:8675', { repeaterID: "12345" }); client._sock._websocket._open(); send_ver('000.000', client); send_ver('003.008', client); expect(client._rfb_version).to.equal(3.8); }); }); }); describe('Security', function () { var client; beforeEach(function () { client = make_rfb(); client.connect('wss://host:8675'); client._sock._websocket._open(); client._rfb_init_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 prefer no authentication is possible', function () { client._rfb_version = 3.7; var auth_schemes = [2, 1, 3]; client._sock._websocket._receive_data(auth_schemes); expect(client._rfb_auth_scheme).to.equal(1); expect(client._sock).to.have.sent(new Uint8Array([1, 1])); }); it('should choose for the most prefered scheme possible for versions >= 3.7', function () { client._rfb_version = 3.7; var auth_schemes = [2, 22, 16]; client._sock._websocket._receive_data(auth_schemes); expect(client._rfb_auth_scheme).to.equal(22); expect(client._sock).to.have.sent(new Uint8Array([22])); }); it('should fail if there are no supported schemes for versions >= 3.7', function () { sinon.spy(client, "_fail"); client._rfb_version = 3.7; var auth_schemes = [1, 32]; client._sock._websocket._receive_data(auth_schemes); expect(client._fail).to.have.been.calledOnce; }); 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.calledOnce; expect(client._fail).to.have.been.calledWith( 'Error while negotiating with server','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_init_state).to.equal('Authentication'); expect(client._negotiate_authentication).to.have.been.calledOnce; }); }); describe('Authentication', function () { var client; beforeEach(function () { client = make_rfb(); client.connect('wss://host:8675'); client._sock._websocket._open(); client._rfb_init_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; push32(data, 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._fail).to.have.been.calledWith( 'Authentication 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_init_state).to.equal('SecurityResult'); }); it('should transition straight to ServerInitialisation on "no auth" for versions < 3.8', function () { client._rfb_version = 3.7; send_security(1, client); expect(client._rfb_init_state).to.equal('ServerInitialisation'); }); it('should fail on an unknown auth scheme', function () { sinon.spy(client, "_fail"); client._rfb_version = 3.8; send_security(57, client); expect(client._fail).to.have.been.calledOnce; }); describe('VNC Authentication (type 2) Handler', function () { var client; beforeEach(function () { client = make_rfb(); client.connect('wss://host:8675'); client._sock._websocket._open(); client._rfb_init_state = 'Security'; client._rfb_version = 3.8; }); it('should call the onCredentialsRequired callback if missing a password', function () { client.set_onCredentialsRequired(sinon.spy()); send_security(2, client); var challenge = []; for (var i = 0; i < 16; i++) { challenge[i] = i; } client._sock._websocket._receive_data(new Uint8Array(challenge)); var spy = client.get_onCredentialsRequired(); expect(client._rfb_credentials).to.be.empty; expect(spy).to.have.been.calledOnce; expect(spy.args[0][1]).to.have.members(["password"]); }); it('should encrypt the password with DES and then send it back', function () { client._rfb_credentials = { 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_credentials = { 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_init_state).to.equal('SecurityResult'); }); }); describe('XVP Authentication (type 22) Handler', function () { var client; beforeEach(function () { client = make_rfb(); client.connect('wss://host:8675'); client._sock._websocket._open(); client._rfb_init_state = 'Security'; client._rfb_version = 3.8; }); it('should fall through to standard VNC authentication upon completion', function () { client._rfb_credentials = { username: 'user', target: 'target', password: 'password' }; client._negotiate_std_vnc_auth = sinon.spy(); send_security(22, client); expect(client._negotiate_std_vnc_auth).to.have.been.calledOnce; }); it('should call the onCredentialsRequired callback if all credentials are missing', function() { client.set_onCredentialsRequired(sinon.spy()); client._rfb_credentials = {}; send_security(22, client); var spy = client.get_onCredentialsRequired(); expect(client._rfb_credentials).to.be.empty; expect(spy).to.have.been.calledOnce; expect(spy.args[0][1]).to.have.members(["username", "password", "target"]); }); it('should call the onCredentialsRequired callback if some credentials are missing', function() { client.set_onCredentialsRequired(sinon.spy()); client._rfb_credentials = { username: 'user', target: 'target' }; send_security(22, client); var spy = client.get_onCredentialsRequired(); expect(spy).to.have.been.calledOnce; expect(spy.args[0][1]).to.have.members(["username", "password", "target"]); }); it('should send user and target separately', function () { client._rfb_credentials = { username: 'user', target: 'target', password: 'password' }; client._negotiate_std_vnc_auth = sinon.spy(); send_security(22, client); 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('wss://host:8675'); client._sock._websocket._open(); client._rfb_init_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 = []; push32(data, pairs_len); for (var i = 0; i < pairs_len; i++) { push32(data, 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 () { sinon.spy(client, "_fail"); send_num_str_pairs([[123, 'OTHR', 'SOMETHNG']], client); expect(client._fail).to.have.been.calledOnce; }); 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_init_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_init_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 () { sinon.spy(client, "_fail"); client._rfb_tightvnc = true; send_num_str_pairs([[23, 'stdv', 'badval__']], client); expect(client._fail).to.have.been.calledOnce; }); }); }); describe('SecurityResult', function () { var client; beforeEach(function () { client = make_rfb(); client.connect('wss://host:8675'); client._sock._websocket._open(); client._rfb_init_state = 'SecurityResult'; }); it('should fall through to ServerInitialisation on a response code of 0', function () { client._updateConnectionState = sinon.spy(); client._sock._websocket._receive_data(new Uint8Array([0, 0, 0, 0])); expect(client._rfb_init_state).to.equal('ServerInitialisation'); }); 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._fail).to.have.been.calledWith( 'Authentication failure', 'whoops'); }); it('should fail on an error code of 1 with a standard message for version < 3.8', function () { sinon.spy(client, '_fail'); client._rfb_version = 3.7; client._sock._websocket._receive_data(new Uint8Array([0, 0, 0, 1])); expect(client._fail).to.have.been.calledWith('Authentication failure'); }); }); describe('ClientInitialisation', function () { var client; beforeEach(function () { client = make_rfb(); }); it('should transition to the ServerInitialisation state', function () { client.connect('wss://host:8675'); client._sock._websocket._open(); client._rfb_init_state = 'SecurityResult'; client._sock._websocket._receive_data(new Uint8Array([0, 0, 0, 0])); expect(client._rfb_init_state).to.equal('ServerInitialisation'); }); it('should send 1 if we are in shared mode', function () { client.connect('wss://host:8675', { shared: true }); client._sock._websocket._open(); client._rfb_init_state = 'SecurityResult'; 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.connect('wss://host:8675', { shared: false }); client._sock._websocket._open(); client._rfb_init_state = 'SecurityResult'; 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('wss://host:8675'); client._sock._websocket._open(); client._rfb_init_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 = []; push16(data, full_opts.width); push16(data, 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); push16(data, full_opts.red_max); push16(data, full_opts.green_max); push16(data, full_opts.blue_max); push8(data, full_opts.red_shift); push8(data, full_opts.green_shift); push8(data, full_opts.blue_shift); // padding push8(data, 0); push8(data, 0); push8(data, 0); client._sock._websocket._receive_data(new Uint8Array(data)); var name_data = []; push32(name_data, 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 = []; push16(tight_data, 1); push16(tight_data, 2); push16(tight_data, 3); push16(tight_data, 0); for (var i = 0; i < 16 + 32 + 48; i++) { tight_data.push(i); } client._sock._websocket._receive_data(tight_data); expect(client._rfb_connection_state).to.equal('connected'); }); 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; }); describe('Initial Update Request', function () { beforeEach(function () { sinon.spy(RFB.messages, "pixelFormat"); sinon.spy(RFB.messages, "clientEncodings"); sinon.spy(RFB.messages, "fbUpdateRequest"); }); afterEach(function () { RFB.messages.pixelFormat.restore(); RFB.messages.clientEncodings.restore(); RFB.messages.fbUpdateRequest.restore(); }); // TODO(directxman12): test the various options in this configuration matrix it('should reply with the pixel format, client encodings, and initial update request', function () { send_server_init({ width: 27, height: 32 }, client); expect(RFB.messages.pixelFormat).to.have.been.calledOnce; expect(RFB.messages.pixelFormat).to.have.been.calledWith(client._sock, 24, true); expect(RFB.messages.pixelFormat).to.have.been.calledBefore(RFB.messages.clientEncodings); expect(RFB.messages.clientEncodings).to.have.been.calledOnce; expect(RFB.messages.clientEncodings.getCall(0).args[1]).to.include(encodings.encodingTight); expect(RFB.messages.clientEncodings).to.have.been.calledBefore(RFB.messages.fbUpdateRequest); expect(RFB.messages.fbUpdateRequest).to.have.been.calledOnce; expect(RFB.messages.fbUpdateRequest).to.have.been.calledWith(client._sock, false, 0, 0, 27, 32); }); it('should reply with restricted settings for Intel AMT servers', function () { send_server_init({ width: 27, height: 32, name: "Intel(r) AMT KVM"}, client); expect(RFB.messages.pixelFormat).to.have.been.calledOnce; expect(RFB.messages.pixelFormat).to.have.been.calledWith(client._sock, 8, true); expect(RFB.messages.pixelFormat).to.have.been.calledBefore(RFB.messages.clientEncodings); expect(RFB.messages.clientEncodings).to.have.been.calledOnce; expect(RFB.messages.clientEncodings.getCall(0).args[1]).to.not.include(encodings.encodingTight); expect(RFB.messages.clientEncodings.getCall(0).args[1]).to.not.include(encodings.encodingHextile); expect(RFB.messages.clientEncodings).to.have.been.calledBefore(RFB.messages.fbUpdateRequest); expect(RFB.messages.fbUpdateRequest).to.have.been.calledOnce; expect(RFB.messages.fbUpdateRequest).to.have.been.calledWith(client._sock, false, 0, 0, 27, 32); }); }); it('should transition to the "connected" state', function () { send_server_init({}, client); expect(client._rfb_connection_state).to.equal('connected'); }); }); }); describe('Protocol Message Processing After Completing Initialization', function () { var client; beforeEach(function () { client = make_rfb(); client.connect('wss://host:8675'); client._sock._websocket._open(); client._rfb_connection_state = 'connected'; client._fb_name = 'some device'; client._fb_width = 640; client._fb_height = 20; }); describe('Framebuffer Update Handling', function () { 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 push16(data, rect_cnt || rect_data.length); } for (var i = 0; i < rect_data.length; i++) { if (rect_info[i]) { push16(data, rect_info[i].x); push16(data, rect_info[i].y); push16(data, rect_info[i].width); push16(data, rect_info[i].height); push32(data, 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, true, 0, 0, 640, 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, true, 0, 0, 640, 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 () { this._sock.rQskip8(); 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 not send a request in continuous updates mode', function () { client._enabledContinuousUpdates = true; client._framebufferUpdate = function () { return true; }; client._sock._websocket._receive_data(new Uint8Array([0])); expect(client._sock._websocket._get_sent_data()).to.have.length(0); }); it('should fail on an unsupported encoding', function () { sinon.spy(client, "_fail"); var rect_info = { x: 8, y: 11, width: 27, height: 32, encoding: 234 }; send_fbu_msg([rect_info], [[]], client); expect(client._fail).to.have.been.calledOnce; }); 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); client._display.blitRgbxImage(0, 0, 4, 2, new Uint8Array(target_data_check_arr.slice(0, 32)), 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: 2, 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('wss://host:8675'); client._sock._websocket._open(); client._rfb_connection_state = 'connected'; client._fb_name = 'some device'; // a really small frame client._fb_width = 4; client._fb_height = 4; client._fb_depth = 24; client._display.resize(4, 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 RAW encoding in low colour mode', 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 }]; var rects = [ [0x03, 0x03, 0x03, 0x03], [0x0c, 0x0c, 0x0c, 0x0c], [0x0c, 0x0c, 0x03, 0x03], [0x0c, 0x0c, 0x03, 0x03]]; client._fb_depth = 8; send_fbu_msg(info, rects, client); expect(client._display).to.have.displayed(target_data_check); }); it('should handle the COPYRECT encoding', function () { // seed some initial data to copy client._display.blitRgbxImage(0, 0, 4, 2, new Uint8Array(target_data_check_arr.slice(0, 32)), 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 = []; push32(rect, 2); // 2 subrects push32(rect, 0xff00ff); // becomes 00ff00ff --> #00FF00 bg color rect.push(0xff); // becomes ff0000ff --> #0000FF color rect.push(0x00); rect.push(0x00); rect.push(0xff); push16(rect, 0); // x: 0 push16(rect, 0); // y: 0 push16(rect, 2); // width: 2 push16(rect, 2); // height: 2 rect.push(0xff); // becomes ff0000ff --> #0000FF color rect.push(0x00); rect.push(0x00); rect.push(0xff); push16(rect, 2); // x: 2 push16(rect, 2); // y: 2 push16(rect, 2); // width: 2 push16(rect, 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('wss://host:8675'); client._sock._websocket._open(); client._rfb_connection_state = 'connected'; client._fb_name = 'some device'; // a really small frame client._fb_width = 4; client._fb_height = 4; client._display.resize(4, 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 push32(rect, 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); push32(rect, 0xff00ff); // becomes 00ff00ff --> #00FF00 bg color send_fbu_msg(info, [rect], client); var expected = []; for (var i = 0; i < 16; i++) { push32(expected, 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.resize(8, 4); var info = [{ x: 0, y: 0, width: 32, height: 4, encoding: 0x05 }]; var rect = []; // send a bg frame rect.push(0x02); push32(rect, 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++) { push32(expected, 0xff00ff); } // rect 1: solid for (i = 0; i < 16; i++) { push32(expected, 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 push32(rect, 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 push32(rect, 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 () { sinon.spy(client,"_fail"); 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._fail).to.have.been.calledOnce; }); }); 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 () { beforeEach(function () { client._supportsSetDesktopSize = false; // a really small frame client._fb_width = 4; client._fb_height = 4; client._display.resize(4, 4); sinon.spy(client._display, 'resize'); client.set_onFBResize(sinon.spy()); }); function make_screen_data (nr_of_screens) { var data = []; push8(data, nr_of_screens); // number-of-screens push8(data, 0); // padding push16(data, 0); // padding for (var i=0; i