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a7a89626 JM |
1 | /* |
2 | * noVNC: HTML5 VNC client | |
d58f8b51 | 3 | * Copyright (C) 2012 Joel Martin |
7a16304e | 4 | * Copyright (C) 2016 Samuel Mannehed for Cendio AB |
1d728ace | 5 | * Licensed under MPL 2.0 (see LICENSE.txt) |
a7a89626 JM |
6 | * |
7 | * See README.md for usage and integration instructions. | |
d38db74a MT |
8 | * |
9 | * TIGHT decoder portion: | |
10 | * (c) 2012 Michael Tinglof, Joe Balaz, Les Piech (Mercuri.ca) | |
a7a89626 JM |
11 | */ |
12 | ||
6d6f0db0 SR |
13 | import * as Log from './util/logging.js'; |
14 | import _ from './util/localization.js'; | |
15 | import { decodeUTF8 } from './util/strings.js'; | |
8d1f0a3d | 16 | import { browserSupportsCursorURIs, isTouchDevice } from './util/browsers.js'; |
e89eef94 | 17 | import EventTargetMixin from './util/eventtarget.js'; |
3ae0bb09 | 18 | import Display from "./display.js"; |
c1e2785f SM |
19 | import Keyboard from "./input/keyboard.js"; |
20 | import Mouse from "./input/mouse.js"; | |
3ae0bb09 SR |
21 | import Websock from "./websock.js"; |
22 | import Base64 from "./base64.js"; | |
23 | import DES from "./des.js"; | |
24 | import KeyTable from "./input/keysym.js"; | |
25 | import XtScancode from "./input/xtscancodes.js"; | |
fba220c6 | 26 | import Inflator from "./inflator.js"; |
f8ec2df2 | 27 | import { encodings, encodingName } from "./encodings.js"; |
e89eef94 | 28 | import "./util/polyfill.js"; |
3ae0bb09 | 29 | |
b1dee947 | 30 | /*jslint white: false, browser: true */ |
ae510306 | 31 | /*global window, Util, Display, Keyboard, Mouse, Websock, Websock_native, Base64, DES, KeyTable, Inflator, XtScancode */ |
a7a89626 | 32 | |
68e09edc PO |
33 | // How many seconds to wait for a disconnect to finish |
34 | var DISCONNECT_TIMEOUT = 3; | |
35 | ||
2f4516f2 PO |
36 | export default function RFB(target, url, options) { |
37 | if (!target) { | |
38 | throw Error("Must specify target"); | |
39 | } | |
40 | if (!url) { | |
41 | throw Error("Must specify URL"); | |
ae510306 SR |
42 | } |
43 | ||
3d7bb020 | 44 | this._target = target; |
2f4516f2 | 45 | this._url = url; |
ae510306 | 46 | |
c7d08d72 | 47 | // Connection details |
2f4516f2 PO |
48 | options = options || {} |
49 | this._rfb_credentials = options.credentials || {}; | |
50 | this._shared = 'shared' in options ? !!options.shared : true; | |
51 | this._repeaterID = options.repeaterID || ''; | |
ae510306 | 52 | |
c7d08d72 | 53 | // Internal state |
3bb12056 | 54 | this._rfb_connection_state = ''; |
c00ee156 | 55 | this._rfb_init_state = ''; |
ae510306 | 56 | this._rfb_auth_scheme = ''; |
3bb12056 | 57 | this._rfb_disconnect_reason = ""; |
ae510306 | 58 | |
c7d08d72 PO |
59 | // Server capabilities |
60 | this._rfb_version = 0; | |
61 | this._rfb_max_version = 3.8; | |
ae510306 SR |
62 | this._rfb_tightvnc = false; |
63 | this._rfb_xvp_ver = 0; | |
64 | ||
c7d08d72 PO |
65 | this._fb_width = 0; |
66 | this._fb_height = 0; | |
67 | ||
68 | this._fb_name = ""; | |
ae510306 | 69 | |
832be262 | 70 | this._capabilities = { power: false, resize: false }; |
cd523e8f | 71 | |
c7d08d72 | 72 | this._supportsFence = false; |
ae510306 | 73 | |
c7d08d72 PO |
74 | this._supportsContinuousUpdates = false; |
75 | this._enabledContinuousUpdates = false; | |
76 | ||
77 | this._supportsSetDesktopSize = false; | |
78 | this._screen_id = 0; | |
79 | this._screen_flags = 0; | |
80 | ||
81 | this._qemuExtKeyEventSupported = false; | |
82 | ||
83 | // Internal objects | |
ae510306 SR |
84 | this._sock = null; // Websock object |
85 | this._display = null; // Display object | |
d9ca5e5b | 86 | this._flushing = false; // Display flushing state |
ae510306 SR |
87 | this._keyboard = null; // Keyboard input handler object |
88 | this._mouse = null; // Mouse input handler object | |
ae510306 | 89 | |
c7d08d72 PO |
90 | // Timers |
91 | this._disconnTimer = null; // disconnection timer | |
ae510306 | 92 | |
c7d08d72 PO |
93 | // Decoder states and stats |
94 | this._encHandlers = {}; | |
95 | this._encStats = {}; | |
ae510306 | 96 | |
ae510306 SR |
97 | this._FBU = { |
98 | rects: 0, | |
c7d08d72 | 99 | subrects: 0, // RRE and HEXTILE |
ae510306 SR |
100 | lines: 0, // RAW |
101 | tiles: 0, // HEXTILE | |
102 | bytes: 0, | |
103 | x: 0, | |
104 | y: 0, | |
105 | width: 0, | |
106 | height: 0, | |
107 | encoding: 0, | |
108 | subencoding: -1, | |
109 | background: null, | |
c7d08d72 | 110 | zlibs: [] // TIGHT zlib streams |
ae510306 | 111 | }; |
c7d08d72 PO |
112 | for (var i = 0; i < 4; i++) { |
113 | this._FBU.zlibs[i] = new Inflator(); | |
114 | } | |
b1dee947 | 115 | |
ae510306 SR |
116 | this._destBuff = null; |
117 | this._paletteBuff = new Uint8Array(1024); // 256 * 4 (max palette size * max bytes-per-pixel) | |
b1dee947 | 118 | |
ae510306 | 119 | this._rre_chunk_sz = 100; |
b1dee947 | 120 | |
ae510306 SR |
121 | this._timing = { |
122 | last_fbu: 0, | |
123 | fbu_total: 0, | |
124 | fbu_total_cnt: 0, | |
125 | full_fbu_total: 0, | |
126 | full_fbu_cnt: 0, | |
b1dee947 | 127 | |
ae510306 SR |
128 | fbu_rt_start: 0, |
129 | fbu_rt_total: 0, | |
130 | fbu_rt_cnt: 0, | |
131 | pixels: 0 | |
132 | }; | |
133 | ||
ae510306 SR |
134 | // Mouse state |
135 | this._mouse_buttonMask = 0; | |
136 | this._mouse_arr = []; | |
137 | this._viewportDragging = false; | |
138 | this._viewportDragPos = {}; | |
139 | this._viewportHasMoved = false; | |
140 | ||
1d6ff4a3 PO |
141 | // Bound event handlers |
142 | this._eventHandlers = { | |
143 | focusCanvas: this._focusCanvas.bind(this), | |
144 | }; | |
145 | ||
ae510306 | 146 | // main setup |
6d6f0db0 | 147 | Log.Debug(">> RFB.constructor"); |
ae510306 | 148 | |
45808617 PO |
149 | // Target canvas must be able to have focus |
150 | if (!this._target.hasAttribute('tabindex')) { | |
151 | this._target.tabIndex = -1; | |
152 | } | |
153 | ||
ae510306 | 154 | // populate encHandlers with bound versions |
cd230363 SM |
155 | this._encHandlers[encodings.encodingRaw] = RFB.encodingHandlers.RAW.bind(this); |
156 | this._encHandlers[encodings.encodingCopyRect] = RFB.encodingHandlers.COPYRECT.bind(this); | |
157 | this._encHandlers[encodings.encodingRRE] = RFB.encodingHandlers.RRE.bind(this); | |
158 | this._encHandlers[encodings.encodingHextile] = RFB.encodingHandlers.HEXTILE.bind(this); | |
159 | this._encHandlers[encodings.encodingTight] = RFB.encodingHandlers.TIGHT.bind(this); | |
160 | ||
161 | this._encHandlers[encodings.pseudoEncodingDesktopSize] = RFB.encodingHandlers.DesktopSize.bind(this); | |
162 | this._encHandlers[encodings.pseudoEncodingLastRect] = RFB.encodingHandlers.last_rect.bind(this); | |
163 | this._encHandlers[encodings.pseudoEncodingCursor] = RFB.encodingHandlers.Cursor.bind(this); | |
164 | this._encHandlers[encodings.pseudoEncodingQEMUExtendedKeyEvent] = RFB.encodingHandlers.QEMUExtendedKeyEvent.bind(this); | |
165 | this._encHandlers[encodings.pseudoEncodingExtendedDesktopSize] = RFB.encodingHandlers.ExtendedDesktopSize.bind(this); | |
ae510306 SR |
166 | |
167 | // NB: nothing that needs explicit teardown should be done | |
168 | // before this point, since this can throw an exception | |
169 | try { | |
747b4623 | 170 | this._display = new Display(this._target); |
ae510306 | 171 | } catch (exc) { |
6d6f0db0 | 172 | Log.Error("Display exception: " + exc); |
ae510306 SR |
173 | throw exc; |
174 | } | |
747b4623 | 175 | this._display.onflush = this._onFlush.bind(this); |
c7d08d72 | 176 | this._display.clear(); |
ae510306 | 177 | |
747b4623 PO |
178 | this._keyboard = new Keyboard(this._target); |
179 | this._keyboard.onkeyevent = this._handleKeyEvent.bind(this); | |
ae510306 | 180 | |
747b4623 PO |
181 | this._mouse = new Mouse(this._target); |
182 | this._mouse.onmousebutton = this._handleMouseButton.bind(this); | |
183 | this._mouse.onmousemove = this._handleMouseMove.bind(this); | |
ae510306 SR |
184 | |
185 | this._sock = new Websock(); | |
186 | this._sock.on('message', this._handle_message.bind(this)); | |
187 | this._sock.on('open', function () { | |
c2a4d3ef | 188 | if ((this._rfb_connection_state === 'connecting') && |
c00ee156 SM |
189 | (this._rfb_init_state === '')) { |
190 | this._rfb_init_state = 'ProtocolVersion'; | |
6d6f0db0 | 191 | Log.Debug("Starting VNC handshake"); |
ae510306 | 192 | } else { |
67cd2072 | 193 | this._fail("Unexpected server connection"); |
ae510306 SR |
194 | } |
195 | }.bind(this)); | |
196 | this._sock.on('close', function (e) { | |
6d6f0db0 | 197 | Log.Warn("WebSocket on-close event"); |
ae510306 SR |
198 | var msg = ""; |
199 | if (e.code) { | |
200 | msg = " (code: " + e.code; | |
201 | if (e.reason) { | |
202 | msg += ", reason: " + e.reason; | |
b1dee947 | 203 | } |
ae510306 SR |
204 | msg += ")"; |
205 | } | |
c00ee156 | 206 | switch (this._rfb_connection_state) { |
c2a4d3ef | 207 | case 'disconnecting': |
3bb12056 | 208 | this._updateConnectionState('disconnected'); |
c00ee156 | 209 | break; |
c2a4d3ef | 210 | case 'connecting': |
67cd2072 | 211 | this._fail('Failed to connect to server', msg); |
c00ee156 | 212 | break; |
b45905ab SM |
213 | case 'connected': |
214 | // Handle disconnects that were initiated server-side | |
215 | this._updateConnectionState('disconnecting'); | |
216 | this._updateConnectionState('disconnected'); | |
217 | break; | |
c00ee156 | 218 | case 'disconnected': |
67cd2072 SM |
219 | this._fail("Unexpected server disconnect", |
220 | "Already disconnected: " + msg); | |
c00ee156 SM |
221 | break; |
222 | default: | |
67cd2072 SM |
223 | this._fail("Unexpected server disconnect", |
224 | "Not in any state yet: " + msg); | |
c00ee156 | 225 | break; |
a679a97d | 226 | } |
ae510306 SR |
227 | this._sock.off('close'); |
228 | }.bind(this)); | |
229 | this._sock.on('error', function (e) { | |
6d6f0db0 | 230 | Log.Warn("WebSocket on-error event"); |
ae510306 | 231 | }); |
8db09746 | 232 | |
2f4516f2 PO |
233 | // Slight delay of the actual connection so that the caller has |
234 | // time to set up callbacks | |
235 | setTimeout(this._updateConnectionState.bind(this, 'connecting')); | |
ae510306 | 236 | |
6d6f0db0 | 237 | Log.Debug("<< RFB.constructor"); |
ae510306 | 238 | }; |
a7a89626 | 239 | |
6d6f0db0 | 240 | RFB.prototype = { |
747b4623 | 241 | // ===== PROPERTIES ===== |
6d6f0db0 | 242 | |
0460e5fd | 243 | dragViewport: false, |
a201bfc5 | 244 | focusOnClick: true, |
a7a89626 | 245 | |
747b4623 PO |
246 | _viewOnly: false, |
247 | get viewOnly() { return this._viewOnly; }, | |
248 | set viewOnly(viewOnly) { | |
249 | this._viewOnly = viewOnly; | |
250 | ||
251 | if (this._rfb_connection_state === "connecting" || | |
252 | this._rfb_connection_state === "connected") { | |
253 | if (viewOnly) { | |
254 | this._keyboard.ungrab(); | |
255 | this._mouse.ungrab(); | |
256 | } else { | |
257 | this._keyboard.grab(); | |
258 | this._mouse.grab(); | |
259 | } | |
260 | } | |
6d6f0db0 SR |
261 | }, |
262 | ||
747b4623 PO |
263 | get capabilities() { return this._capabilities; }, |
264 | ||
265 | get touchButton() { return this._mouse.touchButton; }, | |
266 | set touchButton(button) { this._mouse.touchButton = button; }, | |
267 | ||
0460e5fd PO |
268 | get viewportScale() { return this._display.scale; }, |
269 | set viewportScale(scale) { this._display.scale = scale; }, | |
747b4623 | 270 | |
0460e5fd PO |
271 | get clipViewport() { return this._display.clipViewport; }, |
272 | set clipViewport(viewport) { this._display.clipViewport = viewport; }, | |
747b4623 | 273 | |
a80aa416 PO |
274 | get isClipped() { return this._display.isClipped; }, |
275 | ||
747b4623 PO |
276 | // ===== PUBLIC METHODS ===== |
277 | ||
6d6f0db0 SR |
278 | disconnect: function () { |
279 | this._updateConnectionState('disconnecting'); | |
280 | this._sock.off('error'); | |
281 | this._sock.off('message'); | |
282 | this._sock.off('open'); | |
283 | }, | |
284 | ||
430f00d6 PO |
285 | sendCredentials: function (creds) { |
286 | this._rfb_credentials = creds; | |
6d6f0db0 SR |
287 | setTimeout(this._init_msg.bind(this), 0); |
288 | }, | |
289 | ||
290 | sendCtrlAltDel: function () { | |
15a62695 | 291 | if (this._rfb_connection_state !== 'connected' || this._viewOnly) { return; } |
6d6f0db0 SR |
292 | Log.Info("Sending Ctrl-Alt-Del"); |
293 | ||
94f5cf05 PO |
294 | this.sendKey(KeyTable.XK_Control_L, "ControlLeft", true); |
295 | this.sendKey(KeyTable.XK_Alt_L, "AltLeft", true); | |
296 | this.sendKey(KeyTable.XK_Delete, "Delete", true); | |
297 | this.sendKey(KeyTable.XK_Delete, "Delete", false); | |
298 | this.sendKey(KeyTable.XK_Alt_L, "AltLeft", false); | |
299 | this.sendKey(KeyTable.XK_Control_L, "ControlLeft", false); | |
6d6f0db0 SR |
300 | }, |
301 | ||
cd523e8f PO |
302 | machineShutdown: function () { |
303 | this._xvpOp(1, 2); | |
6d6f0db0 SR |
304 | }, |
305 | ||
cd523e8f PO |
306 | machineReboot: function () { |
307 | this._xvpOp(1, 3); | |
6d6f0db0 SR |
308 | }, |
309 | ||
cd523e8f PO |
310 | machineReset: function () { |
311 | this._xvpOp(1, 4); | |
6d6f0db0 SR |
312 | }, |
313 | ||
314 | // Send a key press. If 'down' is not specified then send a down key | |
315 | // followed by an up key. | |
94f5cf05 | 316 | sendKey: function (keysym, code, down) { |
15a62695 | 317 | if (this._rfb_connection_state !== 'connected' || this._viewOnly) { return; } |
94f5cf05 PO |
318 | |
319 | if (down === undefined) { | |
320 | this.sendKey(keysym, code, true); | |
321 | this.sendKey(keysym, code, false); | |
15a62695 | 322 | return; |
94f5cf05 PO |
323 | } |
324 | ||
be70fe0a | 325 | var scancode = XtScancode[code]; |
94f5cf05 | 326 | |
be70fe0a | 327 | if (this._qemuExtKeyEventSupported && scancode) { |
459ed008 PO |
328 | // 0 is NoSymbol |
329 | keysym = keysym || 0; | |
330 | ||
94f5cf05 PO |
331 | Log.Info("Sending key (" + (down ? "down" : "up") + "): keysym " + keysym + ", scancode " + scancode); |
332 | ||
333 | RFB.messages.QEMUExtendedKeyEvent(this._sock, keysym, down, scancode); | |
334 | } else { | |
459ed008 | 335 | if (!keysym) { |
15a62695 | 336 | return; |
459ed008 | 337 | } |
6d6f0db0 SR |
338 | Log.Info("Sending keysym (" + (down ? "down" : "up") + "): " + keysym); |
339 | RFB.messages.keyEvent(this._sock, keysym, down ? 1 : 0); | |
6d6f0db0 | 340 | } |
6d6f0db0 SR |
341 | }, |
342 | ||
343 | clipboardPasteFrom: function (text) { | |
747b4623 | 344 | if (this._rfb_connection_state !== 'connected' || this._viewOnly) { return; } |
6d6f0db0 SR |
345 | RFB.messages.clientCutText(this._sock, text); |
346 | }, | |
347 | ||
002907d2 | 348 | autoscale: function (width, height) { |
b9854a5c | 349 | if (this._rfb_connection_state !== 'connected') { return; } |
002907d2 | 350 | this._display.autoscale(width, height); |
b9854a5c PO |
351 | }, |
352 | ||
353 | viewportChangeSize: function(width, height) { | |
354 | if (this._rfb_connection_state !== 'connected') { return; } | |
355 | this._display.viewportChangeSize(width, height); | |
356 | }, | |
357 | ||
6d6f0db0 SR |
358 | // Requests a change of remote desktop size. This message is an extension |
359 | // and may only be sent if we have received an ExtendedDesktopSize message | |
360 | requestDesktopSize: function (width, height) { | |
361 | if (this._rfb_connection_state !== 'connected' || | |
747b4623 | 362 | this._viewOnly) { |
15a62695 | 363 | return; |
6d6f0db0 | 364 | } |
e3efeb32 | 365 | |
15a62695 PO |
366 | if (!this._supportsSetDesktopSize) { |
367 | return; | |
6d6f0db0 | 368 | } |
15a62695 PO |
369 | |
370 | RFB.messages.setDesktopSize(this._sock, width, height, | |
371 | this._screen_id, this._screen_flags); | |
6d6f0db0 | 372 | }, |
b1dee947 | 373 | |
b1dee947 | 374 | |
747b4623 | 375 | // ===== PRIVATE METHODS ===== |
b0ec6509 | 376 | |
6d6f0db0 SR |
377 | _connect: function () { |
378 | Log.Debug(">> RFB.connect"); | |
b0ec6509 | 379 | |
5b4e5d01 | 380 | Log.Info("connecting to " + this._url); |
b1dee947 | 381 | |
6d6f0db0 SR |
382 | try { |
383 | // WebSocket.onopen transitions to the RFB init states | |
f8318361 | 384 | this._sock.open(this._url, ['binary']); |
6d6f0db0 SR |
385 | } catch (e) { |
386 | if (e.name === 'SyntaxError') { | |
387 | this._fail("Invalid host or port value given", e); | |
b1dee947 | 388 | } else { |
6d6f0db0 | 389 | this._fail("Error while connecting", e); |
159ad55d | 390 | } |
6d6f0db0 | 391 | } |
e3efeb32 | 392 | |
2afda544 | 393 | // Always grab focus on some kind of click event |
1d6ff4a3 PO |
394 | this._target.addEventListener("mousedown", this._eventHandlers.focusCanvas); |
395 | this._target.addEventListener("touchstart", this._eventHandlers.focusCanvas); | |
2afda544 | 396 | |
6d6f0db0 SR |
397 | Log.Debug("<< RFB.connect"); |
398 | }, | |
399 | ||
400 | _disconnect: function () { | |
401 | Log.Debug(">> RFB.disconnect"); | |
1d6ff4a3 PO |
402 | this._target.removeEventListener("mousedown", this._eventHandlers.focusCanvas); |
403 | this._target.removeEventListener("touchstart", this._eventHandlers.focusCanvas); | |
6d6f0db0 SR |
404 | this._cleanup(); |
405 | this._sock.close(); | |
406 | this._print_stats(); | |
407 | Log.Debug("<< RFB.disconnect"); | |
408 | }, | |
409 | ||
6d6f0db0 | 410 | _print_stats: function () { |
c3386227 PO |
411 | var stats = this._encStats; |
412 | ||
6d6f0db0 | 413 | Log.Info("Encoding stats for this connection:"); |
c3386227 PO |
414 | Object.keys(stats).forEach(function (key) { |
415 | var s = stats[key]; | |
6d6f0db0 | 416 | if (s[0] + s[1] > 0) { |
c3386227 | 417 | Log.Info(" " + encodingName(key) + ": " + s[0] + " rects"); |
b1dee947 | 418 | } |
c3386227 | 419 | }); |
a7a89626 | 420 | |
6d6f0db0 | 421 | Log.Info("Encoding stats since page load:"); |
c3386227 PO |
422 | Object.keys(stats).forEach(function (key) { |
423 | var s = stats[key]; | |
424 | Log.Info(" " + encodingName(key) + ": " + s[1] + " rects"); | |
425 | }); | |
6d6f0db0 SR |
426 | }, |
427 | ||
428 | _cleanup: function () { | |
747b4623 PO |
429 | if (!this._viewOnly) { this._keyboard.ungrab(); } |
430 | if (!this._viewOnly) { this._mouse.ungrab(); } | |
6d6f0db0 SR |
431 | this._display.defaultCursor(); |
432 | if (Log.get_logging() !== 'debug') { | |
c7d08d72 | 433 | // Show noVNC logo when disconnected, unless in |
6d6f0db0 SR |
434 | // debug mode |
435 | this._display.clear(); | |
436 | } | |
437 | }, | |
438 | ||
2afda544 PO |
439 | _focusCanvas: function(event) { |
440 | // Respect earlier handlers' request to not do side-effects | |
1d6ff4a3 PO |
441 | if (event.defaultPrevented) { |
442 | return; | |
443 | } | |
444 | ||
445 | if (!this._focus_on_click) { | |
446 | return; | |
447 | } | |
448 | ||
449 | this._target.focus(); | |
2afda544 PO |
450 | }, |
451 | ||
6d6f0db0 SR |
452 | /* |
453 | * Connection states: | |
454 | * connecting | |
455 | * connected | |
456 | * disconnecting | |
457 | * disconnected - permanent state | |
458 | */ | |
459 | _updateConnectionState: function (state) { | |
460 | var oldstate = this._rfb_connection_state; | |
461 | ||
462 | if (state === oldstate) { | |
463 | Log.Debug("Already in state '" + state + "', ignoring"); | |
464 | return; | |
465 | } | |
466 | ||
467 | // The 'disconnected' state is permanent for each RFB object | |
468 | if (oldstate === 'disconnected') { | |
469 | Log.Error("Tried changing state of a disconnected RFB object"); | |
470 | return; | |
471 | } | |
472 | ||
473 | // Ensure proper transitions before doing anything | |
474 | switch (state) { | |
475 | case 'connected': | |
476 | if (oldstate !== 'connecting') { | |
477 | Log.Error("Bad transition to connected state, " + | |
478 | "previous connection state: " + oldstate); | |
479 | return; | |
b1dee947 | 480 | } |
6d6f0db0 | 481 | break; |
a7a89626 | 482 | |
6d6f0db0 SR |
483 | case 'disconnected': |
484 | if (oldstate !== 'disconnecting') { | |
485 | Log.Error("Bad transition to disconnected state, " + | |
486 | "previous connection state: " + oldstate); | |
487 | return; | |
488 | } | |
489 | break; | |
a7a89626 | 490 | |
6d6f0db0 SR |
491 | case 'connecting': |
492 | if (oldstate !== '') { | |
493 | Log.Error("Bad transition to connecting state, " + | |
494 | "previous connection state: " + oldstate); | |
495 | return; | |
496 | } | |
497 | break; | |
b1dee947 | 498 | |
6d6f0db0 SR |
499 | case 'disconnecting': |
500 | if (oldstate !== 'connected' && oldstate !== 'connecting') { | |
501 | Log.Error("Bad transition to disconnecting state, " + | |
502 | "previous connection state: " + oldstate); | |
503 | return; | |
504 | } | |
505 | break; | |
a679a97d | 506 | |
6d6f0db0 SR |
507 | default: |
508 | Log.Error("Unknown connection state: " + state); | |
3bb12056 | 509 | return; |
6d6f0db0 | 510 | } |
b1dee947 | 511 | |
6d6f0db0 | 512 | // State change actions |
3bb12056 | 513 | |
6d6f0db0 | 514 | this._rfb_connection_state = state; |
e89eef94 PO |
515 | var event = new CustomEvent("updatestate", { detail: { state: state } }); |
516 | this.dispatchEvent(event); | |
b2e961d4 | 517 | |
6d6f0db0 SR |
518 | var smsg = "New state '" + state + "', was '" + oldstate + "'."; |
519 | Log.Debug(smsg); | |
b2e961d4 | 520 | |
6d6f0db0 SR |
521 | if (this._disconnTimer && state !== 'disconnecting') { |
522 | Log.Debug("Clearing disconnect timer"); | |
523 | clearTimeout(this._disconnTimer); | |
524 | this._disconnTimer = null; | |
3bb12056 | 525 | |
6d6f0db0 SR |
526 | // make sure we don't get a double event |
527 | this._sock.off('close'); | |
528 | } | |
b2e961d4 | 529 | |
6d6f0db0 SR |
530 | switch (state) { |
531 | case 'disconnected': | |
e89eef94 | 532 | // Fire disconnected event after updatestate event since |
6d6f0db0 SR |
533 | // we don't know if the UI only displays the latest message |
534 | if (this._rfb_disconnect_reason !== "") { | |
e89eef94 PO |
535 | event = new CustomEvent("disconnect", |
536 | { detail: { reason: this._rfb_disconnect_reason } }); | |
6d6f0db0 SR |
537 | } else { |
538 | // No reason means clean disconnect | |
e89eef94 | 539 | event = new CustomEvent("disconnect", { detail: {} }); |
6d6f0db0 | 540 | } |
e89eef94 | 541 | this.dispatchEvent(event); |
6d6f0db0 | 542 | break; |
b2e961d4 | 543 | |
6d6f0db0 SR |
544 | case 'connecting': |
545 | this._connect(); | |
546 | break; | |
b2e961d4 | 547 | |
6d6f0db0 SR |
548 | case 'disconnecting': |
549 | this._disconnect(); | |
b2e961d4 | 550 | |
6d6f0db0 SR |
551 | this._disconnTimer = setTimeout(function () { |
552 | this._rfb_disconnect_reason = _("Disconnect timeout"); | |
553 | this._updateConnectionState('disconnected'); | |
68e09edc | 554 | }.bind(this), DISCONNECT_TIMEOUT * 1000); |
6d6f0db0 SR |
555 | break; |
556 | } | |
557 | }, | |
558 | ||
559 | /* Print errors and disconnect | |
560 | * | |
561 | * The optional parameter 'details' is used for information that | |
562 | * should be logged but not sent to the user interface. | |
563 | */ | |
564 | _fail: function (msg, details) { | |
565 | var fullmsg = msg; | |
566 | if (typeof details !== 'undefined') { | |
567 | fullmsg = msg + " (" + details + ")"; | |
568 | } | |
569 | switch (this._rfb_connection_state) { | |
570 | case 'disconnecting': | |
571 | Log.Error("Failed when disconnecting: " + fullmsg); | |
572 | break; | |
573 | case 'connected': | |
574 | Log.Error("Failed while connected: " + fullmsg); | |
575 | break; | |
576 | case 'connecting': | |
577 | Log.Error("Failed when connecting: " + fullmsg); | |
578 | break; | |
579 | default: | |
580 | Log.Error("RFB failure: " + fullmsg); | |
581 | break; | |
582 | } | |
583 | this._rfb_disconnect_reason = msg; //This is sent to the UI | |
584 | ||
585 | // Transition to disconnected without waiting for socket to close | |
586 | this._updateConnectionState('disconnecting'); | |
587 | this._updateConnectionState('disconnected'); | |
588 | ||
589 | return false; | |
590 | }, | |
591 | ||
592 | /* | |
593 | * Send a notification to the UI. Valid levels are: | |
594 | * 'normal'|'warn'|'error' | |
595 | * | |
6d6f0db0 SR |
596 | * NOTE: If this function is called multiple times, remember that the |
597 | * interface could be only showing the latest notification. | |
598 | */ | |
65fdfeae | 599 | _notification: function(msg, level) { |
6d6f0db0 SR |
600 | switch (level) { |
601 | case 'normal': | |
602 | case 'warn': | |
603 | case 'error': | |
604 | Log.Debug("Notification[" + level + "]:" + msg); | |
605 | break; | |
606 | default: | |
607 | Log.Error("Invalid notification level: " + level); | |
608 | return; | |
609 | } | |
b2e961d4 | 610 | |
e89eef94 PO |
611 | var event = new CustomEvent("notification", |
612 | { detail: { message: msg, level: level } }); | |
613 | this.dispatchEvent(event); | |
6d6f0db0 | 614 | }, |
b1dee947 | 615 | |
832be262 PO |
616 | _setCapability: function (cap, val) { |
617 | this._capabilities[cap] = val; | |
e89eef94 PO |
618 | var event = new CustomEvent("capabilities", |
619 | { detail: { capabilities: this._capabilities } }); | |
620 | this.dispatchEvent(event); | |
6d6f0db0 | 621 | }, |
b1dee947 | 622 | |
6d6f0db0 SR |
623 | _handle_message: function () { |
624 | if (this._sock.rQlen() === 0) { | |
625 | Log.Warn("handle_message called on an empty receive queue"); | |
626 | return; | |
627 | } | |
b1dee947 | 628 | |
6d6f0db0 SR |
629 | switch (this._rfb_connection_state) { |
630 | case 'disconnected': | |
631 | Log.Error("Got data while disconnected"); | |
632 | break; | |
633 | case 'connected': | |
634 | while (true) { | |
635 | if (this._flushing) { | |
636 | break; | |
637 | } | |
638 | if (!this._normal_msg()) { | |
639 | break; | |
640 | } | |
641 | if (this._sock.rQlen() === 0) { | |
642 | break; | |
643 | } | |
644 | } | |
645 | break; | |
646 | default: | |
647 | this._init_msg(); | |
648 | break; | |
649 | } | |
650 | }, | |
3bb12056 | 651 | |
d0703d1b PO |
652 | _handleKeyEvent: function (keysym, code, down) { |
653 | this.sendKey(keysym, code, down); | |
6d6f0db0 | 654 | }, |
06a9ef0c | 655 | |
6d6f0db0 SR |
656 | _handleMouseButton: function (x, y, down, bmask) { |
657 | if (down) { | |
658 | this._mouse_buttonMask |= bmask; | |
659 | } else { | |
270bdbd7 | 660 | this._mouse_buttonMask &= ~bmask; |
6d6f0db0 | 661 | } |
a7127fee | 662 | |
0460e5fd | 663 | if (this.dragViewport) { |
6d6f0db0 SR |
664 | if (down && !this._viewportDragging) { |
665 | this._viewportDragging = true; | |
666 | this._viewportDragPos = {'x': x, 'y': y}; | |
a7127fee | 667 | |
6d6f0db0 | 668 | // Skip sending mouse events |
b1dee947 | 669 | return; |
6d6f0db0 SR |
670 | } else { |
671 | this._viewportDragging = false; | |
8db09746 | 672 | |
6d6f0db0 SR |
673 | // If the viewport didn't actually move, then treat as a mouse click event |
674 | // Send the button down event here, as the button up event is sent at the end of this function | |
747b4623 | 675 | if (!this._viewportHasMoved && !this._viewOnly) { |
6d6f0db0 SR |
676 | RFB.messages.pointerEvent(this._sock, this._display.absX(x), this._display.absY(y), bmask); |
677 | } | |
678 | this._viewportHasMoved = false; | |
b1dee947 | 679 | } |
6d6f0db0 | 680 | } |
8db09746 | 681 | |
747b4623 | 682 | if (this._viewOnly) { return; } // View only, skip mouse events |
8f06673a | 683 | |
6d6f0db0 SR |
684 | if (this._rfb_connection_state !== 'connected') { return; } |
685 | RFB.messages.pointerEvent(this._sock, this._display.absX(x), this._display.absY(y), this._mouse_buttonMask); | |
686 | }, | |
8db09746 | 687 | |
6d6f0db0 SR |
688 | _handleMouseMove: function (x, y) { |
689 | if (this._viewportDragging) { | |
690 | var deltaX = this._viewportDragPos.x - x; | |
691 | var deltaY = this._viewportDragPos.y - y; | |
8db09746 | 692 | |
6d6f0db0 SR |
693 | // The goal is to trigger on a certain physical width, the |
694 | // devicePixelRatio brings us a bit closer but is not optimal. | |
695 | var dragThreshold = 10 * (window.devicePixelRatio || 1); | |
8db09746 | 696 | |
6d6f0db0 SR |
697 | if (this._viewportHasMoved || (Math.abs(deltaX) > dragThreshold || |
698 | Math.abs(deltaY) > dragThreshold)) { | |
699 | this._viewportHasMoved = true; | |
27e77d46 | 700 | |
6d6f0db0 SR |
701 | this._viewportDragPos = {'x': x, 'y': y}; |
702 | this._display.viewportChangePos(deltaX, deltaY); | |
b50f3406 | 703 | } |
8db09746 | 704 | |
6d6f0db0 SR |
705 | // Skip sending mouse events |
706 | return; | |
707 | } | |
b1dee947 | 708 | |
747b4623 | 709 | if (this._viewOnly) { return; } // View only, skip mouse events |
b1dee947 | 710 | |
6d6f0db0 SR |
711 | if (this._rfb_connection_state !== 'connected') { return; } |
712 | RFB.messages.pointerEvent(this._sock, this._display.absX(x), this._display.absY(y), this._mouse_buttonMask); | |
713 | }, | |
b1dee947 | 714 | |
6d6f0db0 | 715 | // Message Handlers |
27e77d46 | 716 | |
6d6f0db0 SR |
717 | _negotiate_protocol_version: function () { |
718 | if (this._sock.rQlen() < 12) { | |
719 | return this._fail("Error while negotiating with server", | |
720 | "Incomplete protocol version"); | |
721 | } | |
32df3fdb | 722 | |
6d6f0db0 SR |
723 | var sversion = this._sock.rQshiftStr(12).substr(4, 7); |
724 | Log.Info("Server ProtocolVersion: " + sversion); | |
725 | var is_repeater = 0; | |
726 | switch (sversion) { | |
727 | case "000.000": // UltraVNC repeater | |
728 | is_repeater = 1; | |
729 | break; | |
730 | case "003.003": | |
731 | case "003.006": // UltraVNC | |
732 | case "003.889": // Apple Remote Desktop | |
733 | this._rfb_version = 3.3; | |
734 | break; | |
735 | case "003.007": | |
736 | this._rfb_version = 3.7; | |
737 | break; | |
738 | case "003.008": | |
739 | case "004.000": // Intel AMT KVM | |
740 | case "004.001": // RealVNC 4.6 | |
741 | case "005.000": // RealVNC 5.3 | |
742 | this._rfb_version = 3.8; | |
743 | break; | |
744 | default: | |
745 | return this._fail("Unsupported server", | |
746 | "Invalid server version: " + sversion); | |
747 | } | |
8db09746 | 748 | |
6d6f0db0 | 749 | if (is_repeater) { |
ebf1c0f9 | 750 | var repeaterID = "ID:" + this._repeaterID; |
6d6f0db0 SR |
751 | while (repeaterID.length < 250) { |
752 | repeaterID += "\0"; | |
b1dee947 | 753 | } |
6d6f0db0 SR |
754 | this._sock.send_string(repeaterID); |
755 | return true; | |
756 | } | |
b1dee947 | 757 | |
6d6f0db0 SR |
758 | if (this._rfb_version > this._rfb_max_version) { |
759 | this._rfb_version = this._rfb_max_version; | |
760 | } | |
b1dee947 | 761 | |
6d6f0db0 SR |
762 | var cversion = "00" + parseInt(this._rfb_version, 10) + |
763 | ".00" + ((this._rfb_version * 10) % 10); | |
764 | this._sock.send_string("RFB " + cversion + "\n"); | |
765 | Log.Debug('Sent ProtocolVersion: ' + cversion); | |
b1dee947 | 766 | |
6d6f0db0 SR |
767 | this._rfb_init_state = 'Security'; |
768 | }, | |
b1dee947 | 769 | |
6d6f0db0 SR |
770 | _negotiate_security: function () { |
771 | // Polyfill since IE and PhantomJS doesn't have | |
772 | // TypedArray.includes() | |
773 | function includes(item, array) { | |
774 | for (var i = 0; i < array.length; i++) { | |
775 | if (array[i] === item) { | |
776 | return true; | |
777 | } | |
b1dee947 | 778 | } |
6d6f0db0 SR |
779 | return false; |
780 | } | |
b1dee947 | 781 | |
6d6f0db0 SR |
782 | if (this._rfb_version >= 3.7) { |
783 | // Server sends supported list, client decides | |
784 | var num_types = this._sock.rQshift8(); | |
785 | if (this._sock.rQwait("security type", num_types, 1)) { return false; } | |
b1dee947 | 786 | |
6d6f0db0 SR |
787 | if (num_types === 0) { |
788 | var strlen = this._sock.rQshift32(); | |
789 | var reason = this._sock.rQshiftStr(strlen); | |
790 | return this._fail("Error while negotiating with server", | |
791 | "Security failure: " + reason); | |
792 | } | |
793 | ||
794 | var types = this._sock.rQshiftBytes(num_types); | |
795 | Log.Debug("Server security types: " + types); | |
796 | ||
797 | // Look for each auth in preferred order | |
798 | this._rfb_auth_scheme = 0; | |
799 | if (includes(1, types)) { | |
800 | this._rfb_auth_scheme = 1; // None | |
801 | } else if (includes(22, types)) { | |
802 | this._rfb_auth_scheme = 22; // XVP | |
803 | } else if (includes(16, types)) { | |
804 | this._rfb_auth_scheme = 16; // Tight | |
805 | } else if (includes(2, types)) { | |
806 | this._rfb_auth_scheme = 2; // VNC Auth | |
807 | } else { | |
808 | return this._fail("Unsupported server", | |
809 | "Unsupported security types: " + types); | |
8db09746 | 810 | } |
b1dee947 | 811 | |
6d6f0db0 SR |
812 | this._sock.send([this._rfb_auth_scheme]); |
813 | } else { | |
814 | // Server decides | |
815 | if (this._sock.rQwait("security scheme", 4)) { return false; } | |
816 | this._rfb_auth_scheme = this._sock.rQshift32(); | |
817 | } | |
b1dee947 | 818 | |
6d6f0db0 SR |
819 | this._rfb_init_state = 'Authentication'; |
820 | Log.Debug('Authenticating using scheme: ' + this._rfb_auth_scheme); | |
b1dee947 | 821 | |
6d6f0db0 SR |
822 | return this._init_msg(); // jump to authentication |
823 | }, | |
b1dee947 | 824 | |
6d6f0db0 SR |
825 | // authentication |
826 | _negotiate_xvp_auth: function () { | |
430f00d6 PO |
827 | if (!this._rfb_credentials.username || |
828 | !this._rfb_credentials.password || | |
829 | !this._rfb_credentials.target) { | |
e89eef94 PO |
830 | var event = new CustomEvent("credentialsrequired", |
831 | { detail: { types: ["username", "password", "target"] } }); | |
832 | this.dispatchEvent(event); | |
6d6f0db0 SR |
833 | return false; |
834 | } | |
0ee5ca6e | 835 | |
430f00d6 PO |
836 | var xvp_auth_str = String.fromCharCode(this._rfb_credentials.username.length) + |
837 | String.fromCharCode(this._rfb_credentials.target.length) + | |
838 | this._rfb_credentials.username + | |
839 | this._rfb_credentials.target; | |
6d6f0db0 | 840 | this._sock.send_string(xvp_auth_str); |
6d6f0db0 SR |
841 | this._rfb_auth_scheme = 2; |
842 | return this._negotiate_authentication(); | |
843 | }, | |
844 | ||
845 | _negotiate_std_vnc_auth: function () { | |
abfe5b7a SM |
846 | if (this._sock.rQwait("auth challenge", 16)) { return false; } |
847 | ||
430f00d6 | 848 | if (!this._rfb_credentials.password) { |
e89eef94 PO |
849 | var event = new CustomEvent("credentialsrequired", |
850 | { detail: { types: ["password"] } }); | |
851 | this.dispatchEvent(event); | |
6d6f0db0 SR |
852 | return false; |
853 | } | |
b1dee947 | 854 | |
6d6f0db0 SR |
855 | // TODO(directxman12): make genDES not require an Array |
856 | var challenge = Array.prototype.slice.call(this._sock.rQshiftBytes(16)); | |
430f00d6 | 857 | var response = RFB.genDES(this._rfb_credentials.password, challenge); |
6d6f0db0 SR |
858 | this._sock.send(response); |
859 | this._rfb_init_state = "SecurityResult"; | |
860 | return true; | |
861 | }, | |
862 | ||
863 | _negotiate_tight_tunnels: function (numTunnels) { | |
864 | var clientSupportedTunnelTypes = { | |
865 | 0: { vendor: 'TGHT', signature: 'NOTUNNEL' } | |
866 | }; | |
867 | var serverSupportedTunnelTypes = {}; | |
868 | // receive tunnel capabilities | |
869 | for (var i = 0; i < numTunnels; i++) { | |
870 | var cap_code = this._sock.rQshift32(); | |
871 | var cap_vendor = this._sock.rQshiftStr(4); | |
872 | var cap_signature = this._sock.rQshiftStr(8); | |
873 | serverSupportedTunnelTypes[cap_code] = { vendor: cap_vendor, signature: cap_signature }; | |
874 | } | |
875 | ||
876 | // choose the notunnel type | |
877 | if (serverSupportedTunnelTypes[0]) { | |
878 | if (serverSupportedTunnelTypes[0].vendor != clientSupportedTunnelTypes[0].vendor || | |
879 | serverSupportedTunnelTypes[0].signature != clientSupportedTunnelTypes[0].signature) { | |
880 | return this._fail("Unsupported server", | |
881 | "Client's tunnel type had the incorrect " + | |
882 | "vendor or signature"); | |
b1dee947 | 883 | } |
6d6f0db0 SR |
884 | this._sock.send([0, 0, 0, 0]); // use NOTUNNEL |
885 | return false; // wait until we receive the sub auth count to continue | |
886 | } else { | |
887 | return this._fail("Unsupported server", | |
888 | "Server wanted tunnels, but doesn't support " + | |
889 | "the notunnel type"); | |
890 | } | |
891 | }, | |
b1dee947 | 892 | |
6d6f0db0 SR |
893 | _negotiate_tight_auth: function () { |
894 | if (!this._rfb_tightvnc) { // first pass, do the tunnel negotiation | |
895 | if (this._sock.rQwait("num tunnels", 4)) { return false; } | |
896 | var numTunnels = this._sock.rQshift32(); | |
897 | if (numTunnels > 0 && this._sock.rQwait("tunnel capabilities", 16 * numTunnels, 4)) { return false; } | |
c00ee156 | 898 | |
6d6f0db0 | 899 | this._rfb_tightvnc = true; |
b1dee947 | 900 | |
6d6f0db0 SR |
901 | if (numTunnels > 0) { |
902 | this._negotiate_tight_tunnels(numTunnels); | |
903 | return false; // wait until we receive the sub auth to continue | |
b1dee947 | 904 | } |
6d6f0db0 | 905 | } |
b1dee947 | 906 | |
6d6f0db0 SR |
907 | // second pass, do the sub-auth negotiation |
908 | if (this._sock.rQwait("sub auth count", 4)) { return false; } | |
909 | var subAuthCount = this._sock.rQshift32(); | |
910 | if (subAuthCount === 0) { // empty sub-auth list received means 'no auth' subtype selected | |
911 | this._rfb_init_state = 'SecurityResult'; | |
912 | return true; | |
913 | } | |
b1dee947 | 914 | |
6d6f0db0 | 915 | if (this._sock.rQwait("sub auth capabilities", 16 * subAuthCount, 4)) { return false; } |
b1dee947 | 916 | |
6d6f0db0 SR |
917 | var clientSupportedTypes = { |
918 | 'STDVNOAUTH__': 1, | |
919 | 'STDVVNCAUTH_': 2 | |
920 | }; | |
b1dee947 | 921 | |
6d6f0db0 | 922 | var serverSupportedTypes = []; |
95eb681b | 923 | |
6d6f0db0 SR |
924 | for (var i = 0; i < subAuthCount; i++) { |
925 | var capNum = this._sock.rQshift32(); | |
926 | var capabilities = this._sock.rQshiftStr(12); | |
927 | serverSupportedTypes.push(capabilities); | |
928 | } | |
d86cc2d9 | 929 | |
6d6f0db0 SR |
930 | for (var authType in clientSupportedTypes) { |
931 | if (serverSupportedTypes.indexOf(authType) != -1) { | |
932 | this._sock.send([0, 0, 0, clientSupportedTypes[authType]]); | |
d86cc2d9 | 933 | |
6d6f0db0 SR |
934 | switch (authType) { |
935 | case 'STDVNOAUTH__': // no auth | |
936 | this._rfb_init_state = 'SecurityResult'; | |
937 | return true; | |
938 | case 'STDVVNCAUTH_': // VNC auth | |
939 | this._rfb_auth_scheme = 2; | |
940 | return this._init_msg(); | |
941 | default: | |
942 | return this._fail("Unsupported server", | |
943 | "Unsupported tiny auth scheme: " + | |
944 | authType); | |
b1dee947 SR |
945 | } |
946 | } | |
6d6f0db0 | 947 | } |
b1dee947 | 948 | |
6d6f0db0 SR |
949 | return this._fail("Unsupported server", |
950 | "No supported sub-auth types!"); | |
951 | }, | |
952 | ||
953 | _negotiate_authentication: function () { | |
954 | switch (this._rfb_auth_scheme) { | |
955 | case 0: // connection failed | |
956 | if (this._sock.rQwait("auth reason", 4)) { return false; } | |
957 | var strlen = this._sock.rQshift32(); | |
958 | var reason = this._sock.rQshiftStr(strlen); | |
959 | return this._fail("Authentication failure", reason); | |
960 | ||
961 | case 1: // no auth | |
962 | if (this._rfb_version >= 3.8) { | |
963 | this._rfb_init_state = 'SecurityResult'; | |
964 | return true; | |
965 | } | |
966 | this._rfb_init_state = 'ClientInitialisation'; | |
967 | return this._init_msg(); | |
95eb681b | 968 | |
6d6f0db0 SR |
969 | case 22: // XVP auth |
970 | return this._negotiate_xvp_auth(); | |
d86cc2d9 | 971 | |
6d6f0db0 SR |
972 | case 2: // VNC authentication |
973 | return this._negotiate_std_vnc_auth(); | |
d86cc2d9 | 974 | |
6d6f0db0 SR |
975 | case 16: // TightVNC Security Type |
976 | return this._negotiate_tight_auth(); | |
d86cc2d9 | 977 | |
6d6f0db0 SR |
978 | default: |
979 | return this._fail("Unsupported server", | |
980 | "Unsupported auth scheme: " + | |
981 | this._rfb_auth_scheme); | |
982 | } | |
983 | }, | |
984 | ||
985 | _handle_security_result: function () { | |
986 | if (this._sock.rQwait('VNC auth response ', 4)) { return false; } | |
987 | switch (this._sock.rQshift32()) { | |
988 | case 0: // OK | |
989 | this._rfb_init_state = 'ClientInitialisation'; | |
990 | Log.Debug('Authentication OK'); | |
991 | return this._init_msg(); | |
992 | case 1: // failed | |
993 | if (this._rfb_version >= 3.8) { | |
994 | var length = this._sock.rQshift32(); | |
995 | if (this._sock.rQwait("SecurityResult reason", length, 8)) { return false; } | |
996 | var reason = this._sock.rQshiftStr(length); | |
997 | return this._fail("Authentication failure", reason); | |
998 | } else { | |
999 | return this._fail("Authentication failure"); | |
d86cc2d9 | 1000 | } |
6d6f0db0 SR |
1001 | case 2: |
1002 | return this._fail("Too many authentication attempts"); | |
1003 | default: | |
1004 | return this._fail("Unsupported server", | |
1005 | "Unknown SecurityResult"); | |
1006 | } | |
1007 | }, | |
1008 | ||
1009 | _negotiate_server_init: function () { | |
1010 | if (this._sock.rQwait("server initialization", 24)) { return false; } | |
1011 | ||
1012 | /* Screen size */ | |
91d5c625 PO |
1013 | var width = this._sock.rQshift16(); |
1014 | var height = this._sock.rQshift16(); | |
6d6f0db0 SR |
1015 | |
1016 | /* PIXEL_FORMAT */ | |
1017 | var bpp = this._sock.rQshift8(); | |
1018 | var depth = this._sock.rQshift8(); | |
1019 | var big_endian = this._sock.rQshift8(); | |
1020 | var true_color = this._sock.rQshift8(); | |
1021 | ||
1022 | var red_max = this._sock.rQshift16(); | |
1023 | var green_max = this._sock.rQshift16(); | |
1024 | var blue_max = this._sock.rQshift16(); | |
1025 | var red_shift = this._sock.rQshift8(); | |
1026 | var green_shift = this._sock.rQshift8(); | |
1027 | var blue_shift = this._sock.rQshift8(); | |
1028 | this._sock.rQskipBytes(3); // padding | |
1029 | ||
1030 | // NB(directxman12): we don't want to call any callbacks or print messages until | |
1031 | // *after* we're past the point where we could backtrack | |
1032 | ||
1033 | /* Connection name/title */ | |
1034 | var name_length = this._sock.rQshift32(); | |
1035 | if (this._sock.rQwait('server init name', name_length, 24)) { return false; } | |
1036 | this._fb_name = decodeUTF8(this._sock.rQshiftStr(name_length)); | |
1037 | ||
1038 | if (this._rfb_tightvnc) { | |
1039 | if (this._sock.rQwait('TightVNC extended server init header', 8, 24 + name_length)) { return false; } | |
1040 | // In TightVNC mode, ServerInit message is extended | |
1041 | var numServerMessages = this._sock.rQshift16(); | |
1042 | var numClientMessages = this._sock.rQshift16(); | |
1043 | var numEncodings = this._sock.rQshift16(); | |
1044 | this._sock.rQskipBytes(2); // padding | |
1045 | ||
1046 | var totalMessagesLength = (numServerMessages + numClientMessages + numEncodings) * 16; | |
1047 | if (this._sock.rQwait('TightVNC extended server init header', totalMessagesLength, 32 + name_length)) { return false; } | |
1048 | ||
1049 | // we don't actually do anything with the capability information that TIGHT sends, | |
1050 | // so we just skip the all of this. | |
1051 | ||
1052 | // TIGHT server message capabilities | |
1053 | this._sock.rQskipBytes(16 * numServerMessages); | |
1054 | ||
1055 | // TIGHT client message capabilities | |
1056 | this._sock.rQskipBytes(16 * numClientMessages); | |
1057 | ||
1058 | // TIGHT encoding capabilities | |
1059 | this._sock.rQskipBytes(16 * numEncodings); | |
1060 | } | |
d86cc2d9 | 1061 | |
6d6f0db0 SR |
1062 | // NB(directxman12): these are down here so that we don't run them multiple times |
1063 | // if we backtrack | |
91d5c625 | 1064 | Log.Info("Screen: " + width + "x" + height + |
6d6f0db0 SR |
1065 | ", bpp: " + bpp + ", depth: " + depth + |
1066 | ", big_endian: " + big_endian + | |
1067 | ", true_color: " + true_color + | |
1068 | ", red_max: " + red_max + | |
1069 | ", green_max: " + green_max + | |
1070 | ", blue_max: " + blue_max + | |
1071 | ", red_shift: " + red_shift + | |
1072 | ", green_shift: " + green_shift + | |
1073 | ", blue_shift: " + blue_shift); | |
1074 | ||
1075 | if (big_endian !== 0) { | |
1076 | Log.Warn("Server native endian is not little endian"); | |
1077 | } | |
b1dee947 | 1078 | |
6d6f0db0 SR |
1079 | if (red_shift !== 16) { |
1080 | Log.Warn("Server native red-shift is not 16"); | |
1081 | } | |
b1dee947 | 1082 | |
6d6f0db0 SR |
1083 | if (blue_shift !== 0) { |
1084 | Log.Warn("Server native blue-shift is not 0"); | |
1085 | } | |
b1dee947 | 1086 | |
6d6f0db0 | 1087 | // we're past the point where we could backtrack, so it's safe to call this |
e89eef94 PO |
1088 | var event = new CustomEvent("desktopname", |
1089 | { detail: { name: this._fb_name } }); | |
1090 | this.dispatchEvent(event); | |
b1dee947 | 1091 | |
91d5c625 | 1092 | this._resize(width, height); |
b1dee947 | 1093 | |
747b4623 PO |
1094 | if (!this._viewOnly) { this._keyboard.grab(); } |
1095 | if (!this._viewOnly) { this._mouse.grab(); } | |
b1dee947 | 1096 | |
5a5f5ada PO |
1097 | this._fb_depth = 24; |
1098 | ||
1099 | if (this._fb_name === "Intel(r) AMT KVM") { | |
1100 | Log.Warn("Intel AMT KVM only supports 8/16 bit depths. Using low color mode."); | |
1101 | this._fb_depth = 8; | |
1102 | } | |
1103 | ||
1104 | RFB.messages.pixelFormat(this._sock, this._fb_depth, true); | |
49a81837 | 1105 | this._sendEncodings(); |
6d6f0db0 SR |
1106 | RFB.messages.fbUpdateRequest(this._sock, false, 0, 0, this._fb_width, this._fb_height); |
1107 | ||
1108 | this._timing.fbu_rt_start = (new Date()).getTime(); | |
1109 | this._timing.pixels = 0; | |
1110 | ||
cd74793b PO |
1111 | // Cursor will be server side until the server decides to honor |
1112 | // our request and send over the cursor image | |
1113 | this._display.disableLocalCursor(); | |
1114 | ||
6d6f0db0 SR |
1115 | this._updateConnectionState('connected'); |
1116 | return true; | |
1117 | }, | |
1118 | ||
49a81837 PO |
1119 | _sendEncodings: function () { |
1120 | var encs = []; | |
1121 | ||
1122 | // In preference order | |
1123 | encs.push(encodings.encodingCopyRect); | |
5a5f5ada PO |
1124 | // Only supported with full depth support |
1125 | if (this._fb_depth == 24) { | |
1126 | encs.push(encodings.encodingTight); | |
1127 | encs.push(encodings.encodingHextile); | |
1128 | encs.push(encodings.encodingRRE); | |
1129 | } | |
49a81837 PO |
1130 | encs.push(encodings.encodingRaw); |
1131 | ||
1132 | // Psuedo-encoding settings | |
1133 | encs.push(encodings.pseudoEncodingTightPNG); | |
1134 | encs.push(encodings.pseudoEncodingQualityLevel0 + 6); | |
1135 | encs.push(encodings.pseudoEncodingCompressLevel0 + 2); | |
1136 | ||
1137 | encs.push(encodings.pseudoEncodingDesktopSize); | |
1138 | encs.push(encodings.pseudoEncodingLastRect); | |
1139 | encs.push(encodings.pseudoEncodingQEMUExtendedKeyEvent); | |
1140 | encs.push(encodings.pseudoEncodingExtendedDesktopSize); | |
1141 | encs.push(encodings.pseudoEncodingXvp); | |
1142 | encs.push(encodings.pseudoEncodingFence); | |
1143 | encs.push(encodings.pseudoEncodingContinuousUpdates); | |
1144 | ||
8d1f0a3d PO |
1145 | if (browserSupportsCursorURIs() && |
1146 | !isTouchDevice && this._fb_depth == 24) { | |
49a81837 PO |
1147 | encs.push(encodings.pseudoEncodingCursor); |
1148 | } | |
1149 | ||
1150 | RFB.messages.clientEncodings(this._sock, encs); | |
1151 | }, | |
1152 | ||
6d6f0db0 SR |
1153 | /* RFB protocol initialization states: |
1154 | * ProtocolVersion | |
1155 | * Security | |
1156 | * Authentication | |
1157 | * SecurityResult | |
1158 | * ClientInitialization - not triggered by server message | |
1159 | * ServerInitialization | |
1160 | */ | |
1161 | _init_msg: function () { | |
1162 | switch (this._rfb_init_state) { | |
1163 | case 'ProtocolVersion': | |
1164 | return this._negotiate_protocol_version(); | |
1165 | ||
1166 | case 'Security': | |
1167 | return this._negotiate_security(); | |
1168 | ||
1169 | case 'Authentication': | |
1170 | return this._negotiate_authentication(); | |
1171 | ||
1172 | case 'SecurityResult': | |
1173 | return this._handle_security_result(); | |
1174 | ||
1175 | case 'ClientInitialisation': | |
1176 | this._sock.send([this._shared ? 1 : 0]); // ClientInitialisation | |
1177 | this._rfb_init_state = 'ServerInitialisation'; | |
1178 | return true; | |
b1dee947 | 1179 | |
6d6f0db0 SR |
1180 | case 'ServerInitialisation': |
1181 | return this._negotiate_server_init(); | |
b1dee947 | 1182 | |
6d6f0db0 SR |
1183 | default: |
1184 | return this._fail("Internal error", "Unknown init state: " + | |
1185 | this._rfb_init_state); | |
1186 | } | |
1187 | }, | |
b1dee947 | 1188 | |
6d6f0db0 SR |
1189 | _handle_set_colour_map_msg: function () { |
1190 | Log.Debug("SetColorMapEntries"); | |
b1dee947 | 1191 | |
26586b9d | 1192 | return this._fail("Protocol error", "Unexpected SetColorMapEntries message"); |
6d6f0db0 | 1193 | }, |
b1dee947 | 1194 | |
6d6f0db0 SR |
1195 | _handle_server_cut_text: function () { |
1196 | Log.Debug("ServerCutText"); | |
b1dee947 | 1197 | |
6d6f0db0 SR |
1198 | if (this._sock.rQwait("ServerCutText header", 7, 1)) { return false; } |
1199 | this._sock.rQskipBytes(3); // Padding | |
1200 | var length = this._sock.rQshift32(); | |
1201 | if (this._sock.rQwait("ServerCutText", length, 8)) { return false; } | |
b1dee947 | 1202 | |
6d6f0db0 | 1203 | var text = this._sock.rQshiftStr(length); |
b4ff032e | 1204 | |
747b4623 | 1205 | if (this._viewOnly) { return true; } |
b4ff032e | 1206 | |
e89eef94 PO |
1207 | var event = new CustomEvent("clipboard", |
1208 | { detail: { text: text } }); | |
1209 | this.dispatchEvent(event); | |
b1dee947 | 1210 | |
6d6f0db0 SR |
1211 | return true; |
1212 | }, | |
b1dee947 | 1213 | |
6d6f0db0 SR |
1214 | _handle_server_fence_msg: function() { |
1215 | if (this._sock.rQwait("ServerFence header", 8, 1)) { return false; } | |
1216 | this._sock.rQskipBytes(3); // Padding | |
1217 | var flags = this._sock.rQshift32(); | |
1218 | var length = this._sock.rQshift8(); | |
b1dee947 | 1219 | |
6d6f0db0 | 1220 | if (this._sock.rQwait("ServerFence payload", length, 9)) { return false; } |
b1dee947 | 1221 | |
6d6f0db0 SR |
1222 | if (length > 64) { |
1223 | Log.Warn("Bad payload length (" + length + ") in fence response"); | |
1224 | length = 64; | |
1225 | } | |
4e0c36dd | 1226 | |
6d6f0db0 | 1227 | var payload = this._sock.rQshiftStr(length); |
b1dee947 | 1228 | |
6d6f0db0 | 1229 | this._supportsFence = true; |
b1dee947 | 1230 | |
6d6f0db0 SR |
1231 | /* |
1232 | * Fence flags | |
1233 | * | |
1234 | * (1<<0) - BlockBefore | |
1235 | * (1<<1) - BlockAfter | |
1236 | * (1<<2) - SyncNext | |
1237 | * (1<<31) - Request | |
1238 | */ | |
b1dee947 | 1239 | |
6d6f0db0 SR |
1240 | if (!(flags & (1<<31))) { |
1241 | return this._fail("Internal error", | |
1242 | "Unexpected fence response"); | |
1243 | } | |
b1dee947 | 1244 | |
6d6f0db0 SR |
1245 | // Filter out unsupported flags |
1246 | // FIXME: support syncNext | |
1247 | flags &= (1<<0) | (1<<1); | |
b1dee947 | 1248 | |
6d6f0db0 SR |
1249 | // BlockBefore and BlockAfter are automatically handled by |
1250 | // the fact that we process each incoming message | |
1251 | // synchronuosly. | |
1252 | RFB.messages.clientFence(this._sock, flags, payload); | |
f78a652e | 1253 | |
6d6f0db0 SR |
1254 | return true; |
1255 | }, | |
b1dee947 | 1256 | |
6d6f0db0 SR |
1257 | _handle_xvp_msg: function () { |
1258 | if (this._sock.rQwait("XVP version and message", 3, 1)) { return false; } | |
1259 | this._sock.rQskip8(); // Padding | |
1260 | var xvp_ver = this._sock.rQshift8(); | |
1261 | var xvp_msg = this._sock.rQshift8(); | |
b1dee947 | 1262 | |
6d6f0db0 SR |
1263 | switch (xvp_msg) { |
1264 | case 0: // XVP_FAIL | |
1265 | Log.Error("Operation Failed"); | |
1266 | this._notification("XVP Operation Failed", 'error'); | |
1267 | break; | |
1268 | case 1: // XVP_INIT | |
1269 | this._rfb_xvp_ver = xvp_ver; | |
1270 | Log.Info("XVP extensions enabled (version " + this._rfb_xvp_ver + ")"); | |
832be262 | 1271 | this._setCapability("power", true); |
6d6f0db0 SR |
1272 | break; |
1273 | default: | |
1274 | this._fail("Unexpected server message", | |
1275 | "Illegal server XVP message " + xvp_msg); | |
1276 | break; | |
1277 | } | |
b1dee947 | 1278 | |
6d6f0db0 SR |
1279 | return true; |
1280 | }, | |
3df13262 | 1281 | |
6d6f0db0 SR |
1282 | _normal_msg: function () { |
1283 | var msg_type; | |
76a86ff5 | 1284 | |
6d6f0db0 SR |
1285 | if (this._FBU.rects > 0) { |
1286 | msg_type = 0; | |
1287 | } else { | |
1288 | msg_type = this._sock.rQshift8(); | |
1289 | } | |
76a86ff5 | 1290 | |
6d6f0db0 SR |
1291 | switch (msg_type) { |
1292 | case 0: // FramebufferUpdate | |
1293 | var ret = this._framebufferUpdate(); | |
1294 | if (ret && !this._enabledContinuousUpdates) { | |
1295 | RFB.messages.fbUpdateRequest(this._sock, true, 0, 0, | |
1296 | this._fb_width, this._fb_height); | |
1297 | } | |
1298 | return ret; | |
3df13262 | 1299 | |
6d6f0db0 SR |
1300 | case 1: // SetColorMapEntries |
1301 | return this._handle_set_colour_map_msg(); | |
1302 | ||
1303 | case 2: // Bell | |
1304 | Log.Debug("Bell"); | |
e89eef94 PO |
1305 | var event = new CustomEvent("bell", { detail: {} }); |
1306 | this.dispatchEvent(event); | |
6d6f0db0 SR |
1307 | return true; |
1308 | ||
1309 | case 3: // ServerCutText | |
1310 | return this._handle_server_cut_text(); | |
1311 | ||
1312 | case 150: // EndOfContinuousUpdates | |
1313 | var first = !(this._supportsContinuousUpdates); | |
1314 | this._supportsContinuousUpdates = true; | |
1315 | this._enabledContinuousUpdates = false; | |
1316 | if (first) { | |
1317 | this._enabledContinuousUpdates = true; | |
1318 | this._updateContinuousUpdates(); | |
1319 | Log.Info("Enabling continuous updates."); | |
1320 | } else { | |
1321 | // FIXME: We need to send a framebufferupdaterequest here | |
1322 | // if we add support for turning off continuous updates | |
1323 | } | |
1324 | return true; | |
3df13262 | 1325 | |
6d6f0db0 SR |
1326 | case 248: // ServerFence |
1327 | return this._handle_server_fence_msg(); | |
3df13262 | 1328 | |
6d6f0db0 SR |
1329 | case 250: // XVP |
1330 | return this._handle_xvp_msg(); | |
3df13262 | 1331 | |
6d6f0db0 SR |
1332 | default: |
1333 | this._fail("Unexpected server message", "Type:" + msg_type); | |
1334 | Log.Debug("sock.rQslice(0, 30): " + this._sock.rQslice(0, 30)); | |
1335 | return true; | |
1336 | } | |
1337 | }, | |
3df13262 | 1338 | |
6d6f0db0 SR |
1339 | _onFlush: function() { |
1340 | this._flushing = false; | |
1341 | // Resume processing | |
1342 | if (this._sock.rQlen() > 0) { | |
1343 | this._handle_message(); | |
1344 | } | |
1345 | }, | |
3df13262 | 1346 | |
6d6f0db0 SR |
1347 | _framebufferUpdate: function () { |
1348 | var ret = true; | |
1349 | var now; | |
3df13262 | 1350 | |
6d6f0db0 SR |
1351 | if (this._FBU.rects === 0) { |
1352 | if (this._sock.rQwait("FBU header", 3, 1)) { return false; } | |
b1dee947 | 1353 | this._sock.rQskip8(); // Padding |
6d6f0db0 SR |
1354 | this._FBU.rects = this._sock.rQshift16(); |
1355 | this._FBU.bytes = 0; | |
1356 | this._timing.cur_fbu = 0; | |
1357 | if (this._timing.fbu_rt_start > 0) { | |
1358 | now = (new Date()).getTime(); | |
1359 | Log.Info("First FBU latency: " + (now - this._timing.fbu_rt_start)); | |
b1dee947 SR |
1360 | } |
1361 | ||
6d6f0db0 SR |
1362 | // Make sure the previous frame is fully rendered first |
1363 | // to avoid building up an excessive queue | |
1364 | if (this._display.pending()) { | |
1365 | this._flushing = true; | |
1366 | this._display.flush(); | |
1367 | return false; | |
1368 | } | |
1369 | } | |
b1dee947 | 1370 | |
6d6f0db0 SR |
1371 | while (this._FBU.rects > 0) { |
1372 | if (this._rfb_connection_state !== 'connected') { return false; } | |
b1dee947 | 1373 | |
6d6f0db0 SR |
1374 | if (this._sock.rQwait("FBU", this._FBU.bytes)) { return false; } |
1375 | if (this._FBU.bytes === 0) { | |
1376 | if (this._sock.rQwait("rect header", 12)) { return false; } | |
1377 | /* New FramebufferUpdate */ | |
b1dee947 | 1378 | |
6d6f0db0 SR |
1379 | var hdr = this._sock.rQshiftBytes(12); |
1380 | this._FBU.x = (hdr[0] << 8) + hdr[1]; | |
1381 | this._FBU.y = (hdr[2] << 8) + hdr[3]; | |
1382 | this._FBU.width = (hdr[4] << 8) + hdr[5]; | |
1383 | this._FBU.height = (hdr[6] << 8) + hdr[7]; | |
1384 | this._FBU.encoding = parseInt((hdr[8] << 24) + (hdr[9] << 16) + | |
1385 | (hdr[10] << 8) + hdr[11], 10); | |
b1dee947 | 1386 | |
49a81837 | 1387 | if (!this._encHandlers[this._FBU.encoding]) { |
6d6f0db0 SR |
1388 | this._fail("Unexpected server message", |
1389 | "Unsupported encoding " + | |
1390 | this._FBU.encoding); | |
1391 | return false; | |
1392 | } | |
1393 | } | |
b1dee947 | 1394 | |
6d6f0db0 | 1395 | this._timing.last_fbu = (new Date()).getTime(); |
76a86ff5 | 1396 | |
6d6f0db0 | 1397 | ret = this._encHandlers[this._FBU.encoding](); |
3df13262 | 1398 | |
6d6f0db0 SR |
1399 | now = (new Date()).getTime(); |
1400 | this._timing.cur_fbu += (now - this._timing.last_fbu); | |
b1dee947 | 1401 | |
6d6f0db0 | 1402 | if (ret) { |
c3386227 PO |
1403 | if (!(this._FBU.encoding in this._encStats)) { |
1404 | this._encStats[this._FBU.encoding] = [0, 0]; | |
1405 | } | |
6d6f0db0 SR |
1406 | this._encStats[this._FBU.encoding][0]++; |
1407 | this._encStats[this._FBU.encoding][1]++; | |
1408 | this._timing.pixels += this._FBU.width * this._FBU.height; | |
b1dee947 | 1409 | } |
b1dee947 | 1410 | |
6d6f0db0 SR |
1411 | if (this._timing.pixels >= (this._fb_width * this._fb_height)) { |
1412 | if ((this._FBU.width === this._fb_width && this._FBU.height === this._fb_height) || | |
1413 | this._timing.fbu_rt_start > 0) { | |
1414 | this._timing.full_fbu_total += this._timing.cur_fbu; | |
1415 | this._timing.full_fbu_cnt++; | |
1416 | Log.Info("Timing of full FBU, curr: " + | |
1417 | this._timing.cur_fbu + ", total: " + | |
1418 | this._timing.full_fbu_total + ", cnt: " + | |
1419 | this._timing.full_fbu_cnt + ", avg: " + | |
1420 | (this._timing.full_fbu_total / this._timing.full_fbu_cnt)); | |
b1dee947 | 1421 | } |
d9ca5e5b | 1422 | |
6d6f0db0 SR |
1423 | if (this._timing.fbu_rt_start > 0) { |
1424 | var fbu_rt_diff = now - this._timing.fbu_rt_start; | |
1425 | this._timing.fbu_rt_total += fbu_rt_diff; | |
1426 | this._timing.fbu_rt_cnt++; | |
1427 | Log.Info("full FBU round-trip, cur: " + | |
1428 | fbu_rt_diff + ", total: " + | |
1429 | this._timing.fbu_rt_total + ", cnt: " + | |
1430 | this._timing.fbu_rt_cnt + ", avg: " + | |
1431 | (this._timing.fbu_rt_total / this._timing.fbu_rt_cnt)); | |
1432 | this._timing.fbu_rt_start = 0; | |
d9ca5e5b | 1433 | } |
b1dee947 SR |
1434 | } |
1435 | ||
6d6f0db0 SR |
1436 | if (!ret) { return ret; } // need more data |
1437 | } | |
b1dee947 | 1438 | |
6d6f0db0 | 1439 | this._display.flip(); |
b1dee947 | 1440 | |
6d6f0db0 SR |
1441 | return true; // We finished this FBU |
1442 | }, | |
b1dee947 | 1443 | |
6d6f0db0 SR |
1444 | _updateContinuousUpdates: function() { |
1445 | if (!this._enabledContinuousUpdates) { return; } | |
b1dee947 | 1446 | |
6d6f0db0 SR |
1447 | RFB.messages.enableContinuousUpdates(this._sock, true, 0, 0, |
1448 | this._fb_width, this._fb_height); | |
91d5c625 PO |
1449 | }, |
1450 | ||
1451 | _resize: function(width, height) { | |
1452 | this._fb_width = width; | |
1453 | this._fb_height = height; | |
1454 | ||
1455 | this._destBuff = new Uint8Array(this._fb_width * this._fb_height * 4); | |
1456 | ||
1457 | this._display.resize(this._fb_width, this._fb_height); | |
e89eef94 PO |
1458 | |
1459 | var event = new CustomEvent("fbresize", | |
1460 | { detail: { width: this._fb_width, | |
1461 | height: this._fb_height } }); | |
1462 | this.dispatchEvent(event); | |
91d5c625 PO |
1463 | |
1464 | this._timing.fbu_rt_start = (new Date()).getTime(); | |
1465 | this._updateContinuousUpdates(); | |
cd523e8f | 1466 | }, |
8db09746 | 1467 | |
cd523e8f PO |
1468 | _xvpOp: function (ver, op) { |
1469 | if (this._rfb_xvp_ver < ver) { return; } | |
1470 | Log.Info("Sending XVP operation " + op + " (version " + ver + ")"); | |
1471 | RFB.messages.xvpOp(this._sock, ver, op); | |
1472 | }, | |
6d6f0db0 | 1473 | }; |
76a86ff5 | 1474 | |
e89eef94 | 1475 | Object.assign(RFB.prototype, EventTargetMixin); |
76a86ff5 | 1476 | |
6d6f0db0 SR |
1477 | // Class Methods |
1478 | RFB.messages = { | |
1479 | keyEvent: function (sock, keysym, down) { | |
1480 | var buff = sock._sQ; | |
1481 | var offset = sock._sQlen; | |
8db09746 | 1482 | |
6d6f0db0 SR |
1483 | buff[offset] = 4; // msg-type |
1484 | buff[offset + 1] = down; | |
b1dee947 | 1485 | |
6d6f0db0 SR |
1486 | buff[offset + 2] = 0; |
1487 | buff[offset + 3] = 0; | |
fb49f91b | 1488 | |
6d6f0db0 SR |
1489 | buff[offset + 4] = (keysym >> 24); |
1490 | buff[offset + 5] = (keysym >> 16); | |
1491 | buff[offset + 6] = (keysym >> 8); | |
1492 | buff[offset + 7] = keysym; | |
b1dee947 | 1493 | |
6d6f0db0 SR |
1494 | sock._sQlen += 8; |
1495 | sock.flush(); | |
1496 | }, | |
ef1e8bab | 1497 | |
6d6f0db0 SR |
1498 | QEMUExtendedKeyEvent: function (sock, keysym, down, keycode) { |
1499 | function getRFBkeycode(xt_scancode) { | |
1500 | var upperByte = (keycode >> 8); | |
1501 | var lowerByte = (keycode & 0x00ff); | |
1502 | if (upperByte === 0xe0 && lowerByte < 0x7f) { | |
1503 | lowerByte = lowerByte | 0x80; | |
1504 | return lowerByte; | |
ef1e8bab | 1505 | } |
6d6f0db0 | 1506 | return xt_scancode; |
ef1e8bab | 1507 | } |
b1dee947 | 1508 | |
6d6f0db0 SR |
1509 | var buff = sock._sQ; |
1510 | var offset = sock._sQlen; | |
8f06673a | 1511 | |
6d6f0db0 SR |
1512 | buff[offset] = 255; // msg-type |
1513 | buff[offset + 1] = 0; // sub msg-type | |
8f06673a | 1514 | |
6d6f0db0 SR |
1515 | buff[offset + 2] = (down >> 8); |
1516 | buff[offset + 3] = down; | |
8f06673a | 1517 | |
6d6f0db0 SR |
1518 | buff[offset + 4] = (keysym >> 24); |
1519 | buff[offset + 5] = (keysym >> 16); | |
1520 | buff[offset + 6] = (keysym >> 8); | |
1521 | buff[offset + 7] = keysym; | |
8f06673a | 1522 | |
6d6f0db0 | 1523 | var RFBkeycode = getRFBkeycode(keycode); |
8f06673a | 1524 | |
6d6f0db0 SR |
1525 | buff[offset + 8] = (RFBkeycode >> 24); |
1526 | buff[offset + 9] = (RFBkeycode >> 16); | |
1527 | buff[offset + 10] = (RFBkeycode >> 8); | |
1528 | buff[offset + 11] = RFBkeycode; | |
8f06673a | 1529 | |
6d6f0db0 SR |
1530 | sock._sQlen += 12; |
1531 | sock.flush(); | |
1532 | }, | |
8f06673a | 1533 | |
6d6f0db0 SR |
1534 | pointerEvent: function (sock, x, y, mask) { |
1535 | var buff = sock._sQ; | |
1536 | var offset = sock._sQlen; | |
8f06673a | 1537 | |
6d6f0db0 | 1538 | buff[offset] = 5; // msg-type |
9ff86fb7 | 1539 | |
6d6f0db0 | 1540 | buff[offset + 1] = mask; |
9ff86fb7 | 1541 | |
6d6f0db0 SR |
1542 | buff[offset + 2] = x >> 8; |
1543 | buff[offset + 3] = x; | |
9ff86fb7 | 1544 | |
6d6f0db0 SR |
1545 | buff[offset + 4] = y >> 8; |
1546 | buff[offset + 5] = y; | |
9ff86fb7 | 1547 | |
6d6f0db0 SR |
1548 | sock._sQlen += 6; |
1549 | sock.flush(); | |
1550 | }, | |
9ff86fb7 | 1551 | |
6d6f0db0 SR |
1552 | // TODO(directxman12): make this unicode compatible? |
1553 | clientCutText: function (sock, text) { | |
1554 | var buff = sock._sQ; | |
1555 | var offset = sock._sQlen; | |
b1dee947 | 1556 | |
6d6f0db0 | 1557 | buff[offset] = 6; // msg-type |
9ff86fb7 | 1558 | |
6d6f0db0 SR |
1559 | buff[offset + 1] = 0; // padding |
1560 | buff[offset + 2] = 0; // padding | |
1561 | buff[offset + 3] = 0; // padding | |
9ff86fb7 | 1562 | |
6d6f0db0 | 1563 | var n = text.length; |
9ff86fb7 | 1564 | |
6d6f0db0 SR |
1565 | buff[offset + 4] = n >> 24; |
1566 | buff[offset + 5] = n >> 16; | |
1567 | buff[offset + 6] = n >> 8; | |
1568 | buff[offset + 7] = n; | |
9ff86fb7 | 1569 | |
6d6f0db0 SR |
1570 | for (var i = 0; i < n; i++) { |
1571 | buff[offset + 8 + i] = text.charCodeAt(i); | |
1572 | } | |
9ff86fb7 | 1573 | |
6d6f0db0 SR |
1574 | sock._sQlen += 8 + n; |
1575 | sock.flush(); | |
1576 | }, | |
1577 | ||
1578 | setDesktopSize: function (sock, width, height, id, flags) { | |
1579 | var buff = sock._sQ; | |
1580 | var offset = sock._sQlen; | |
1581 | ||
1582 | buff[offset] = 251; // msg-type | |
1583 | buff[offset + 1] = 0; // padding | |
1584 | buff[offset + 2] = width >> 8; // width | |
1585 | buff[offset + 3] = width; | |
1586 | buff[offset + 4] = height >> 8; // height | |
1587 | buff[offset + 5] = height; | |
1588 | ||
1589 | buff[offset + 6] = 1; // number-of-screens | |
1590 | buff[offset + 7] = 0; // padding | |
1591 | ||
1592 | // screen array | |
1593 | buff[offset + 8] = id >> 24; // id | |
1594 | buff[offset + 9] = id >> 16; | |
1595 | buff[offset + 10] = id >> 8; | |
1596 | buff[offset + 11] = id; | |
1597 | buff[offset + 12] = 0; // x-position | |
1598 | buff[offset + 13] = 0; | |
1599 | buff[offset + 14] = 0; // y-position | |
1600 | buff[offset + 15] = 0; | |
1601 | buff[offset + 16] = width >> 8; // width | |
1602 | buff[offset + 17] = width; | |
1603 | buff[offset + 18] = height >> 8; // height | |
1604 | buff[offset + 19] = height; | |
1605 | buff[offset + 20] = flags >> 24; // flags | |
1606 | buff[offset + 21] = flags >> 16; | |
1607 | buff[offset + 22] = flags >> 8; | |
1608 | buff[offset + 23] = flags; | |
1609 | ||
1610 | sock._sQlen += 24; | |
1611 | sock.flush(); | |
1612 | }, | |
1613 | ||
1614 | clientFence: function (sock, flags, payload) { | |
1615 | var buff = sock._sQ; | |
1616 | var offset = sock._sQlen; | |
1617 | ||
1618 | buff[offset] = 248; // msg-type | |
1619 | ||
1620 | buff[offset + 1] = 0; // padding | |
1621 | buff[offset + 2] = 0; // padding | |
1622 | buff[offset + 3] = 0; // padding | |
1623 | ||
1624 | buff[offset + 4] = flags >> 24; // flags | |
1625 | buff[offset + 5] = flags >> 16; | |
1626 | buff[offset + 6] = flags >> 8; | |
1627 | buff[offset + 7] = flags; | |
1628 | ||
1629 | var n = payload.length; | |
1630 | ||
1631 | buff[offset + 8] = n; // length | |
1632 | ||
1633 | for (var i = 0; i < n; i++) { | |
1634 | buff[offset + 9 + i] = payload.charCodeAt(i); | |
1635 | } | |
a7a89626 | 1636 | |
6d6f0db0 SR |
1637 | sock._sQlen += 9 + n; |
1638 | sock.flush(); | |
1639 | }, | |
3df13262 | 1640 | |
6d6f0db0 SR |
1641 | enableContinuousUpdates: function (sock, enable, x, y, width, height) { |
1642 | var buff = sock._sQ; | |
1643 | var offset = sock._sQlen; | |
3df13262 | 1644 | |
6d6f0db0 SR |
1645 | buff[offset] = 150; // msg-type |
1646 | buff[offset + 1] = enable; // enable-flag | |
76a86ff5 | 1647 | |
6d6f0db0 SR |
1648 | buff[offset + 2] = x >> 8; // x |
1649 | buff[offset + 3] = x; | |
1650 | buff[offset + 4] = y >> 8; // y | |
1651 | buff[offset + 5] = y; | |
1652 | buff[offset + 6] = width >> 8; // width | |
1653 | buff[offset + 7] = width; | |
1654 | buff[offset + 8] = height >> 8; // height | |
1655 | buff[offset + 9] = height; | |
76a86ff5 | 1656 | |
6d6f0db0 SR |
1657 | sock._sQlen += 10; |
1658 | sock.flush(); | |
1659 | }, | |
76a86ff5 | 1660 | |
5a5f5ada | 1661 | pixelFormat: function (sock, depth, true_color) { |
6d6f0db0 SR |
1662 | var buff = sock._sQ; |
1663 | var offset = sock._sQlen; | |
ae116051 | 1664 | |
5a5f5ada PO |
1665 | var bpp, bits; |
1666 | ||
1667 | if (depth > 16) { | |
1668 | bpp = 32; | |
1669 | } else if (depth > 8) { | |
1670 | bpp = 16; | |
1671 | } else { | |
1672 | bpp = 8; | |
1673 | } | |
1674 | ||
1675 | bits = Math.floor(depth/3); | |
1676 | ||
6d6f0db0 | 1677 | buff[offset] = 0; // msg-type |
9ff86fb7 | 1678 | |
6d6f0db0 SR |
1679 | buff[offset + 1] = 0; // padding |
1680 | buff[offset + 2] = 0; // padding | |
1681 | buff[offset + 3] = 0; // padding | |
9ff86fb7 | 1682 | |
5a5f5ada PO |
1683 | buff[offset + 4] = bpp; // bits-per-pixel |
1684 | buff[offset + 5] = depth; // depth | |
6d6f0db0 SR |
1685 | buff[offset + 6] = 0; // little-endian |
1686 | buff[offset + 7] = true_color ? 1 : 0; // true-color | |
9ff86fb7 | 1687 | |
6d6f0db0 | 1688 | buff[offset + 8] = 0; // red-max |
5a5f5ada | 1689 | buff[offset + 9] = (1 << bits) - 1; // red-max |
9ff86fb7 | 1690 | |
6d6f0db0 | 1691 | buff[offset + 10] = 0; // green-max |
5a5f5ada | 1692 | buff[offset + 11] = (1 << bits) - 1; // green-max |
9ff86fb7 | 1693 | |
6d6f0db0 | 1694 | buff[offset + 12] = 0; // blue-max |
5a5f5ada | 1695 | buff[offset + 13] = (1 << bits) - 1; // blue-max |
9ff86fb7 | 1696 | |
5a5f5ada PO |
1697 | buff[offset + 14] = bits * 2; // red-shift |
1698 | buff[offset + 15] = bits * 1; // green-shift | |
1699 | buff[offset + 16] = bits * 0; // blue-shift | |
9ff86fb7 | 1700 | |
6d6f0db0 SR |
1701 | buff[offset + 17] = 0; // padding |
1702 | buff[offset + 18] = 0; // padding | |
1703 | buff[offset + 19] = 0; // padding | |
9ff86fb7 | 1704 | |
6d6f0db0 SR |
1705 | sock._sQlen += 20; |
1706 | sock.flush(); | |
1707 | }, | |
9ff86fb7 | 1708 | |
49a81837 | 1709 | clientEncodings: function (sock, encodings) { |
6d6f0db0 SR |
1710 | var buff = sock._sQ; |
1711 | var offset = sock._sQlen; | |
b1dee947 | 1712 | |
6d6f0db0 SR |
1713 | buff[offset] = 2; // msg-type |
1714 | buff[offset + 1] = 0; // padding | |
b1dee947 | 1715 | |
49a81837 PO |
1716 | buff[offset + 2] = encodings.length >> 8; |
1717 | buff[offset + 3] = encodings.length; | |
9ff86fb7 | 1718 | |
49a81837 | 1719 | var i, j = offset + 4; |
6d6f0db0 | 1720 | for (i = 0; i < encodings.length; i++) { |
49a81837 PO |
1721 | var enc = encodings[i]; |
1722 | buff[j] = enc >> 24; | |
1723 | buff[j + 1] = enc >> 16; | |
1724 | buff[j + 2] = enc >> 8; | |
1725 | buff[j + 3] = enc; | |
a7a89626 | 1726 | |
49a81837 PO |
1727 | j += 4; |
1728 | } | |
a7a89626 | 1729 | |
6d6f0db0 SR |
1730 | sock._sQlen += j - offset; |
1731 | sock.flush(); | |
1732 | }, | |
a679a97d | 1733 | |
6d6f0db0 SR |
1734 | fbUpdateRequest: function (sock, incremental, x, y, w, h) { |
1735 | var buff = sock._sQ; | |
1736 | var offset = sock._sQlen; | |
9ff86fb7 | 1737 | |
6d6f0db0 SR |
1738 | if (typeof(x) === "undefined") { x = 0; } |
1739 | if (typeof(y) === "undefined") { y = 0; } | |
b1dee947 | 1740 | |
6d6f0db0 SR |
1741 | buff[offset] = 3; // msg-type |
1742 | buff[offset + 1] = incremental ? 1 : 0; | |
9ff86fb7 | 1743 | |
6d6f0db0 SR |
1744 | buff[offset + 2] = (x >> 8) & 0xFF; |
1745 | buff[offset + 3] = x & 0xFF; | |
9ff86fb7 | 1746 | |
6d6f0db0 SR |
1747 | buff[offset + 4] = (y >> 8) & 0xFF; |
1748 | buff[offset + 5] = y & 0xFF; | |
9ff86fb7 | 1749 | |
6d6f0db0 SR |
1750 | buff[offset + 6] = (w >> 8) & 0xFF; |
1751 | buff[offset + 7] = w & 0xFF; | |
9ff86fb7 | 1752 | |
6d6f0db0 SR |
1753 | buff[offset + 8] = (h >> 8) & 0xFF; |
1754 | buff[offset + 9] = h & 0xFF; | |
b1dee947 | 1755 | |
6d6f0db0 SR |
1756 | sock._sQlen += 10; |
1757 | sock.flush(); | |
85b35fc0 PO |
1758 | }, |
1759 | ||
1760 | xvpOp: function (sock, ver, op) { | |
1761 | var buff = sock._sQ; | |
1762 | var offset = sock._sQlen; | |
1763 | ||
1764 | buff[offset] = 250; // msg-type | |
1765 | buff[offset + 1] = 0; // padding | |
1766 | ||
1767 | buff[offset + 2] = ver; | |
1768 | buff[offset + 3] = op; | |
1769 | ||
1770 | sock._sQlen += 4; | |
1771 | sock.flush(); | |
1772 | }, | |
6d6f0db0 | 1773 | }; |
b1dee947 | 1774 | |
6d6f0db0 SR |
1775 | RFB.genDES = function (password, challenge) { |
1776 | var passwd = []; | |
1777 | for (var i = 0; i < password.length; i++) { | |
1778 | passwd.push(password.charCodeAt(i)); | |
1779 | } | |
1780 | return (new DES(passwd)).encrypt(challenge); | |
1781 | }; | |
b1dee947 | 1782 | |
6d6f0db0 SR |
1783 | RFB.encodingHandlers = { |
1784 | RAW: function () { | |
1785 | if (this._FBU.lines === 0) { | |
1786 | this._FBU.lines = this._FBU.height; | |
1787 | } | |
a7a89626 | 1788 | |
5a5f5ada PO |
1789 | var pixelSize = this._fb_depth == 8 ? 1 : 4; |
1790 | this._FBU.bytes = this._FBU.width * pixelSize; // at least a line | |
6d6f0db0 SR |
1791 | if (this._sock.rQwait("RAW", this._FBU.bytes)) { return false; } |
1792 | var cur_y = this._FBU.y + (this._FBU.height - this._FBU.lines); | |
1793 | var curr_height = Math.min(this._FBU.lines, | |
5a5f5ada PO |
1794 | Math.floor(this._sock.rQlen() / (this._FBU.width * pixelSize))); |
1795 | var data = this._sock.get_rQ(); | |
1796 | var index = this._sock.get_rQi(); | |
1797 | if (this._fb_depth == 8) { | |
1798 | var pixels = this._FBU.width * curr_height | |
1799 | var newdata = new Uint8Array(pixels * 4); | |
1800 | var i; | |
1801 | for (i = 0;i < pixels;i++) { | |
1802 | newdata[i * 4 + 0] = ((data[index + i] >> 0) & 0x3) * 255 / 3; | |
1803 | newdata[i * 4 + 1] = ((data[index + i] >> 2) & 0x3) * 255 / 3; | |
1804 | newdata[i * 4 + 2] = ((data[index + i] >> 4) & 0x3) * 255 / 3; | |
1805 | newdata[i * 4 + 4] = 0; | |
1806 | } | |
1807 | data = newdata; | |
1808 | index = 0; | |
1809 | } | |
6d6f0db0 | 1810 | this._display.blitImage(this._FBU.x, cur_y, this._FBU.width, |
5a5f5ada PO |
1811 | curr_height, data, index); |
1812 | this._sock.rQskipBytes(this._FBU.width * curr_height * pixelSize); | |
6d6f0db0 SR |
1813 | this._FBU.lines -= curr_height; |
1814 | ||
1815 | if (this._FBU.lines > 0) { | |
5a5f5ada | 1816 | this._FBU.bytes = this._FBU.width * pixelSize; // At least another line |
6d6f0db0 SR |
1817 | } else { |
1818 | this._FBU.rects--; | |
1819 | this._FBU.bytes = 0; | |
1820 | } | |
b1dee947 | 1821 | |
6d6f0db0 SR |
1822 | return true; |
1823 | }, | |
1824 | ||
1825 | COPYRECT: function () { | |
1826 | this._FBU.bytes = 4; | |
1827 | if (this._sock.rQwait("COPYRECT", 4)) { return false; } | |
1828 | this._display.copyImage(this._sock.rQshift16(), this._sock.rQshift16(), | |
1829 | this._FBU.x, this._FBU.y, this._FBU.width, | |
1830 | this._FBU.height); | |
1831 | ||
1832 | this._FBU.rects--; | |
1833 | this._FBU.bytes = 0; | |
1834 | return true; | |
1835 | }, | |
1836 | ||
1837 | RRE: function () { | |
1838 | var color; | |
1839 | if (this._FBU.subrects === 0) { | |
26586b9d PO |
1840 | this._FBU.bytes = 4 + 4; |
1841 | if (this._sock.rQwait("RRE", 4 + 4)) { return false; } | |
6d6f0db0 | 1842 | this._FBU.subrects = this._sock.rQshift32(); |
26586b9d | 1843 | color = this._sock.rQshiftBytes(4); // Background |
6d6f0db0 SR |
1844 | this._display.fillRect(this._FBU.x, this._FBU.y, this._FBU.width, this._FBU.height, color); |
1845 | } | |
b1dee947 | 1846 | |
26586b9d PO |
1847 | while (this._FBU.subrects > 0 && this._sock.rQlen() >= (4 + 8)) { |
1848 | color = this._sock.rQshiftBytes(4); | |
6d6f0db0 SR |
1849 | var x = this._sock.rQshift16(); |
1850 | var y = this._sock.rQshift16(); | |
1851 | var width = this._sock.rQshift16(); | |
1852 | var height = this._sock.rQshift16(); | |
1853 | this._display.fillRect(this._FBU.x + x, this._FBU.y + y, width, height, color); | |
1854 | this._FBU.subrects--; | |
1855 | } | |
f00193e0 | 1856 | |
6d6f0db0 SR |
1857 | if (this._FBU.subrects > 0) { |
1858 | var chunk = Math.min(this._rre_chunk_sz, this._FBU.subrects); | |
26586b9d | 1859 | this._FBU.bytes = (4 + 8) * chunk; |
6d6f0db0 | 1860 | } else { |
b1dee947 SR |
1861 | this._FBU.rects--; |
1862 | this._FBU.bytes = 0; | |
6d6f0db0 | 1863 | } |
b1dee947 | 1864 | |
6d6f0db0 SR |
1865 | return true; |
1866 | }, | |
b1dee947 | 1867 | |
6d6f0db0 SR |
1868 | HEXTILE: function () { |
1869 | var rQ = this._sock.get_rQ(); | |
1870 | var rQi = this._sock.get_rQi(); | |
b1dee947 | 1871 | |
6d6f0db0 SR |
1872 | if (this._FBU.tiles === 0) { |
1873 | this._FBU.tiles_x = Math.ceil(this._FBU.width / 16); | |
1874 | this._FBU.tiles_y = Math.ceil(this._FBU.height / 16); | |
1875 | this._FBU.total_tiles = this._FBU.tiles_x * this._FBU.tiles_y; | |
1876 | this._FBU.tiles = this._FBU.total_tiles; | |
1877 | } | |
b1dee947 | 1878 | |
6d6f0db0 SR |
1879 | while (this._FBU.tiles > 0) { |
1880 | this._FBU.bytes = 1; | |
1881 | if (this._sock.rQwait("HEXTILE subencoding", this._FBU.bytes)) { return false; } | |
1882 | var subencoding = rQ[rQi]; // Peek | |
1883 | if (subencoding > 30) { // Raw | |
1884 | this._fail("Unexpected server message", | |
1885 | "Illegal hextile subencoding: " + subencoding); | |
1886 | return false; | |
b1dee947 SR |
1887 | } |
1888 | ||
6d6f0db0 SR |
1889 | var subrects = 0; |
1890 | var curr_tile = this._FBU.total_tiles - this._FBU.tiles; | |
1891 | var tile_x = curr_tile % this._FBU.tiles_x; | |
1892 | var tile_y = Math.floor(curr_tile / this._FBU.tiles_x); | |
1893 | var x = this._FBU.x + tile_x * 16; | |
1894 | var y = this._FBU.y + tile_y * 16; | |
1895 | var w = Math.min(16, (this._FBU.x + this._FBU.width) - x); | |
1896 | var h = Math.min(16, (this._FBU.y + this._FBU.height) - y); | |
b1dee947 | 1897 | |
6d6f0db0 SR |
1898 | // Figure out how much we are expecting |
1899 | if (subencoding & 0x01) { // Raw | |
26586b9d | 1900 | this._FBU.bytes += w * h * 4; |
6d6f0db0 SR |
1901 | } else { |
1902 | if (subencoding & 0x02) { // Background | |
26586b9d | 1903 | this._FBU.bytes += 4; |
6d6f0db0 SR |
1904 | } |
1905 | if (subencoding & 0x04) { // Foreground | |
26586b9d | 1906 | this._FBU.bytes += 4; |
6d6f0db0 SR |
1907 | } |
1908 | if (subencoding & 0x08) { // AnySubrects | |
1909 | this._FBU.bytes++; // Since we aren't shifting it off | |
1910 | if (this._sock.rQwait("hextile subrects header", this._FBU.bytes)) { return false; } | |
1911 | subrects = rQ[rQi + this._FBU.bytes - 1]; // Peek | |
1912 | if (subencoding & 0x10) { // SubrectsColoured | |
26586b9d | 1913 | this._FBU.bytes += subrects * (4 + 2); |
6d6f0db0 SR |
1914 | } else { |
1915 | this._FBU.bytes += subrects * 2; | |
b1dee947 SR |
1916 | } |
1917 | } | |
6d6f0db0 | 1918 | } |
b1dee947 | 1919 | |
6d6f0db0 | 1920 | if (this._sock.rQwait("hextile", this._FBU.bytes)) { return false; } |
b1dee947 | 1921 | |
6d6f0db0 SR |
1922 | // We know the encoding and have a whole tile |
1923 | this._FBU.subencoding = rQ[rQi]; | |
1924 | rQi++; | |
1925 | if (this._FBU.subencoding === 0) { | |
1926 | if (this._FBU.lastsubencoding & 0x01) { | |
1927 | // Weird: ignore blanks are RAW | |
1928 | Log.Debug(" Ignoring blank after RAW"); | |
b1dee947 | 1929 | } else { |
6d6f0db0 SR |
1930 | this._display.fillRect(x, y, w, h, this._FBU.background); |
1931 | } | |
1932 | } else if (this._FBU.subencoding & 0x01) { // Raw | |
1933 | this._display.blitImage(x, y, w, h, rQ, rQi); | |
1934 | rQi += this._FBU.bytes - 1; | |
1935 | } else { | |
1936 | if (this._FBU.subencoding & 0x02) { // Background | |
26586b9d PO |
1937 | this._FBU.background = [rQ[rQi], rQ[rQi + 1], rQ[rQi + 2], rQ[rQi + 3]]; |
1938 | rQi += 4; | |
6d6f0db0 SR |
1939 | } |
1940 | if (this._FBU.subencoding & 0x04) { // Foreground | |
26586b9d PO |
1941 | this._FBU.foreground = [rQ[rQi], rQ[rQi + 1], rQ[rQi + 2], rQ[rQi + 3]]; |
1942 | rQi += 4; | |
6d6f0db0 | 1943 | } |
b1dee947 | 1944 | |
6d6f0db0 SR |
1945 | this._display.startTile(x, y, w, h, this._FBU.background); |
1946 | if (this._FBU.subencoding & 0x08) { // AnySubrects | |
1947 | subrects = rQ[rQi]; | |
1948 | rQi++; | |
b1dee947 | 1949 | |
6d6f0db0 SR |
1950 | for (var s = 0; s < subrects; s++) { |
1951 | var color; | |
1952 | if (this._FBU.subencoding & 0x10) { // SubrectsColoured | |
26586b9d PO |
1953 | color = [rQ[rQi], rQ[rQi + 1], rQ[rQi + 2], rQ[rQi + 3]]; |
1954 | rQi += 4; | |
6d6f0db0 SR |
1955 | } else { |
1956 | color = this._FBU.foreground; | |
1957 | } | |
1958 | var xy = rQ[rQi]; | |
1959 | rQi++; | |
1960 | var sx = (xy >> 4); | |
1961 | var sy = (xy & 0x0f); | |
a7a89626 | 1962 | |
6d6f0db0 SR |
1963 | var wh = rQ[rQi]; |
1964 | rQi++; | |
1965 | var sw = (wh >> 4) + 1; | |
1966 | var sh = (wh & 0x0f) + 1; | |
a7a89626 | 1967 | |
6d6f0db0 | 1968 | this._display.subTile(sx, sy, sw, sh, color); |
b1dee947 | 1969 | } |
a7a89626 | 1970 | } |
6d6f0db0 | 1971 | this._display.finishTile(); |
a7a89626 | 1972 | } |
6d6f0db0 SR |
1973 | this._sock.set_rQi(rQi); |
1974 | this._FBU.lastsubencoding = this._FBU.subencoding; | |
1975 | this._FBU.bytes = 0; | |
1976 | this._FBU.tiles--; | |
1977 | } | |
d065cad9 | 1978 | |
6d6f0db0 SR |
1979 | if (this._FBU.tiles === 0) { |
1980 | this._FBU.rects--; | |
1981 | } | |
b1dee947 | 1982 | |
6d6f0db0 SR |
1983 | return true; |
1984 | }, | |
b1dee947 | 1985 | |
3e8b26ab | 1986 | TIGHT: function () { |
6d6f0db0 SR |
1987 | this._FBU.bytes = 1; // compression-control byte |
1988 | if (this._sock.rQwait("TIGHT compression-control", this._FBU.bytes)) { return false; } | |
1989 | ||
1990 | var checksum = function (data) { | |
1991 | var sum = 0; | |
1992 | for (var i = 0; i < data.length; i++) { | |
1993 | sum += data[i]; | |
1994 | if (sum > 65536) sum -= 65536; | |
1995 | } | |
1996 | return sum; | |
1997 | }; | |
1998 | ||
1999 | var resetStreams = 0; | |
2000 | var streamId = -1; | |
2001 | var decompress = function (data, expected) { | |
2002 | for (var i = 0; i < 4; i++) { | |
2003 | if ((resetStreams >> i) & 1) { | |
2004 | this._FBU.zlibs[i].reset(); | |
2005 | Log.Info("Reset zlib stream " + i); | |
b1dee947 | 2006 | } |
6d6f0db0 | 2007 | } |
de84e098 | 2008 | |
6d6f0db0 SR |
2009 | //var uncompressed = this._FBU.zlibs[streamId].uncompress(data, 0); |
2010 | var uncompressed = this._FBU.zlibs[streamId].inflate(data, true, expected); | |
2011 | /*if (uncompressed.status !== 0) { | |
2012 | Log.Error("Invalid data in zlib stream"); | |
2013 | }*/ | |
2014 | ||
2015 | //return uncompressed.data; | |
2016 | return uncompressed; | |
2017 | }.bind(this); | |
2018 | ||
2019 | var indexedToRGBX2Color = function (data, palette, width, height) { | |
2020 | // Convert indexed (palette based) image data to RGB | |
2021 | // TODO: reduce number of calculations inside loop | |
2022 | var dest = this._destBuff; | |
2023 | var w = Math.floor((width + 7) / 8); | |
2024 | var w1 = Math.floor(width / 8); | |
2025 | ||
2026 | /*for (var y = 0; y < height; y++) { | |
2027 | var b, x, dp, sp; | |
2028 | var yoffset = y * width; | |
2029 | var ybitoffset = y * w; | |
2030 | var xoffset, targetbyte; | |
2031 | for (x = 0; x < w1; x++) { | |
d1800d09 SR |
2032 | xoffset = yoffset + x * 8; |
2033 | targetbyte = data[ybitoffset + x]; | |
6d6f0db0 | 2034 | for (b = 7; b >= 0; b--) { |
d1800d09 SR |
2035 | dp = (xoffset + 7 - b) * 3; |
2036 | sp = (targetbyte >> b & 1) * 3; | |
2037 | dest[dp] = palette[sp]; | |
2038 | dest[dp + 1] = palette[sp + 1]; | |
2039 | dest[dp + 2] = palette[sp + 2]; | |
2040 | } | |
6d6f0db0 SR |
2041 | } |
2042 | ||
2043 | xoffset = yoffset + x * 8; | |
2044 | targetbyte = data[ybitoffset + x]; | |
2045 | for (b = 7; b >= 8 - width % 8; b--) { | |
2046 | dp = (xoffset + 7 - b) * 3; | |
2047 | sp = (targetbyte >> b & 1) * 3; | |
2048 | dest[dp] = palette[sp]; | |
2049 | dest[dp + 1] = palette[sp + 1]; | |
2050 | dest[dp + 2] = palette[sp + 2]; | |
2051 | } | |
2052 | }*/ | |
d1800d09 | 2053 | |
6d6f0db0 SR |
2054 | for (var y = 0; y < height; y++) { |
2055 | var b, x, dp, sp; | |
2056 | for (x = 0; x < w1; x++) { | |
2057 | for (b = 7; b >= 0; b--) { | |
d1800d09 SR |
2058 | dp = (y * width + x * 8 + 7 - b) * 4; |
2059 | sp = (data[y * w + x] >> b & 1) * 3; | |
2060 | dest[dp] = palette[sp]; | |
2061 | dest[dp + 1] = palette[sp + 1]; | |
2062 | dest[dp + 2] = palette[sp + 2]; | |
2063 | dest[dp + 3] = 255; | |
e16ad2fd JM |
2064 | } |
2065 | } | |
b1dee947 | 2066 | |
6d6f0db0 SR |
2067 | for (b = 7; b >= 8 - width % 8; b--) { |
2068 | dp = (y * width + x * 8 + 7 - b) * 4; | |
2069 | sp = (data[y * w + x] >> b & 1) * 3; | |
2070 | dest[dp] = palette[sp]; | |
2071 | dest[dp + 1] = palette[sp + 1]; | |
2072 | dest[dp + 2] = palette[sp + 2]; | |
2073 | dest[dp + 3] = 255; | |
d1800d09 | 2074 | } |
6d6f0db0 | 2075 | } |
d1800d09 | 2076 | |
6d6f0db0 SR |
2077 | return dest; |
2078 | }.bind(this); | |
2079 | ||
2080 | var indexedToRGBX = function (data, palette, width, height) { | |
2081 | // Convert indexed (palette based) image data to RGB | |
2082 | var dest = this._destBuff; | |
2083 | var total = width * height * 4; | |
2084 | for (var i = 0, j = 0; i < total; i += 4, j++) { | |
2085 | var sp = data[j] * 3; | |
2086 | dest[i] = palette[sp]; | |
2087 | dest[i + 1] = palette[sp + 1]; | |
2088 | dest[i + 2] = palette[sp + 2]; | |
2089 | dest[i + 3] = 255; | |
2090 | } | |
2091 | ||
2092 | return dest; | |
2093 | }.bind(this); | |
2094 | ||
2095 | var rQi = this._sock.get_rQi(); | |
2096 | var rQ = this._sock.rQwhole(); | |
2097 | var cmode, data; | |
2098 | var cl_header, cl_data; | |
2099 | ||
2100 | var handlePalette = function () { | |
2101 | var numColors = rQ[rQi + 2] + 1; | |
26586b9d | 2102 | var paletteSize = numColors * 3; |
6d6f0db0 SR |
2103 | this._FBU.bytes += paletteSize; |
2104 | if (this._sock.rQwait("TIGHT palette " + cmode, this._FBU.bytes)) { return false; } | |
2105 | ||
2106 | var bpp = (numColors <= 2) ? 1 : 8; | |
2107 | var rowSize = Math.floor((this._FBU.width * bpp + 7) / 8); | |
2108 | var raw = false; | |
2109 | if (rowSize * this._FBU.height < 12) { | |
2110 | raw = true; | |
2111 | cl_header = 0; | |
2112 | cl_data = rowSize * this._FBU.height; | |
2113 | //clength = [0, rowSize * this._FBU.height]; | |
2114 | } else { | |
2115 | // begin inline getTightCLength (returning two-item arrays is bad for performance with GC) | |
2116 | var cl_offset = rQi + 3 + paletteSize; | |
2117 | cl_header = 1; | |
2118 | cl_data = 0; | |
2119 | cl_data += rQ[cl_offset] & 0x7f; | |
2120 | if (rQ[cl_offset] & 0x80) { | |
2121 | cl_header++; | |
2122 | cl_data += (rQ[cl_offset + 1] & 0x7f) << 7; | |
2123 | if (rQ[cl_offset + 1] & 0x80) { | |
d1800d09 | 2124 | cl_header++; |
6d6f0db0 | 2125 | cl_data += rQ[cl_offset + 2] << 14; |
d1800d09 | 2126 | } |
e16ad2fd | 2127 | } |
6d6f0db0 SR |
2128 | // end inline getTightCLength |
2129 | } | |
b1dee947 | 2130 | |
6d6f0db0 SR |
2131 | this._FBU.bytes += cl_header + cl_data; |
2132 | if (this._sock.rQwait("TIGHT " + cmode, this._FBU.bytes)) { return false; } | |
b1dee947 | 2133 | |
6d6f0db0 SR |
2134 | // Shift ctl, filter id, num colors, palette entries, and clength off |
2135 | this._sock.rQskipBytes(3); | |
2136 | //var palette = this._sock.rQshiftBytes(paletteSize); | |
2137 | this._sock.rQshiftTo(this._paletteBuff, paletteSize); | |
2138 | this._sock.rQskipBytes(cl_header); | |
b1dee947 | 2139 | |
6d6f0db0 SR |
2140 | if (raw) { |
2141 | data = this._sock.rQshiftBytes(cl_data); | |
2142 | } else { | |
2143 | data = decompress(this._sock.rQshiftBytes(cl_data), rowSize * this._FBU.height); | |
2144 | } | |
b1dee947 | 2145 | |
6d6f0db0 SR |
2146 | // Convert indexed (palette based) image data to RGB |
2147 | var rgbx; | |
2148 | if (numColors == 2) { | |
2149 | rgbx = indexedToRGBX2Color(data, this._paletteBuff, this._FBU.width, this._FBU.height); | |
2150 | this._display.blitRgbxImage(this._FBU.x, this._FBU.y, this._FBU.width, this._FBU.height, rgbx, 0, false); | |
2151 | } else { | |
2152 | rgbx = indexedToRGBX(data, this._paletteBuff, this._FBU.width, this._FBU.height); | |
2153 | this._display.blitRgbxImage(this._FBU.x, this._FBU.y, this._FBU.width, this._FBU.height, rgbx, 0, false); | |
2154 | } | |
b1dee947 | 2155 | |
b1dee947 | 2156 | |
6d6f0db0 SR |
2157 | return true; |
2158 | }.bind(this); | |
2159 | ||
2160 | var handleCopy = function () { | |
2161 | var raw = false; | |
26586b9d | 2162 | var uncompressedSize = this._FBU.width * this._FBU.height * 3; |
6d6f0db0 SR |
2163 | if (uncompressedSize < 12) { |
2164 | raw = true; | |
2165 | cl_header = 0; | |
2166 | cl_data = uncompressedSize; | |
2167 | } else { | |
2168 | // begin inline getTightCLength (returning two-item arrays is for peformance with GC) | |
2169 | var cl_offset = rQi + 1; | |
2170 | cl_header = 1; | |
2171 | cl_data = 0; | |
2172 | cl_data += rQ[cl_offset] & 0x7f; | |
2173 | if (rQ[cl_offset] & 0x80) { | |
2174 | cl_header++; | |
2175 | cl_data += (rQ[cl_offset + 1] & 0x7f) << 7; | |
2176 | if (rQ[cl_offset + 1] & 0x80) { | |
d1800d09 | 2177 | cl_header++; |
6d6f0db0 | 2178 | cl_data += rQ[cl_offset + 2] << 14; |
d1800d09 | 2179 | } |
b1dee947 | 2180 | } |
6d6f0db0 SR |
2181 | // end inline getTightCLength |
2182 | } | |
2183 | this._FBU.bytes = 1 + cl_header + cl_data; | |
2184 | if (this._sock.rQwait("TIGHT " + cmode, this._FBU.bytes)) { return false; } | |
b1dee947 | 2185 | |
6d6f0db0 SR |
2186 | // Shift ctl, clength off |
2187 | this._sock.rQshiftBytes(1 + cl_header); | |
b1dee947 | 2188 | |
6d6f0db0 SR |
2189 | if (raw) { |
2190 | data = this._sock.rQshiftBytes(cl_data); | |
2191 | } else { | |
2192 | data = decompress(this._sock.rQshiftBytes(cl_data), uncompressedSize); | |
2193 | } | |
b1dee947 | 2194 | |
6d6f0db0 | 2195 | this._display.blitRgbImage(this._FBU.x, this._FBU.y, this._FBU.width, this._FBU.height, data, 0, false); |
b1dee947 | 2196 | |
6d6f0db0 SR |
2197 | return true; |
2198 | }.bind(this); | |
b1dee947 | 2199 | |
6d6f0db0 | 2200 | var ctl = this._sock.rQpeek8(); |
b1dee947 | 2201 | |
6d6f0db0 SR |
2202 | // Keep tight reset bits |
2203 | resetStreams = ctl & 0xF; | |
b1dee947 | 2204 | |
6d6f0db0 SR |
2205 | // Figure out filter |
2206 | ctl = ctl >> 4; | |
2207 | streamId = ctl & 0x3; | |
b1dee947 | 2208 | |
6d6f0db0 SR |
2209 | if (ctl === 0x08) cmode = "fill"; |
2210 | else if (ctl === 0x09) cmode = "jpeg"; | |
2211 | else if (ctl === 0x0A) cmode = "png"; | |
2212 | else if (ctl & 0x04) cmode = "filter"; | |
2213 | else if (ctl < 0x04) cmode = "copy"; | |
2214 | else return this._fail("Unexpected server message", | |
2215 | "Illegal tight compression received, " + | |
2216 | "ctl: " + ctl); | |
b1dee947 | 2217 | |
6d6f0db0 | 2218 | switch (cmode) { |
26586b9d | 2219 | // fill use depth because TPIXELs drop the padding byte |
6d6f0db0 | 2220 | case "fill": // TPIXEL |
26586b9d | 2221 | this._FBU.bytes += 3; |
6d6f0db0 SR |
2222 | break; |
2223 | case "jpeg": // max clength | |
2224 | this._FBU.bytes += 3; | |
2225 | break; | |
2226 | case "png": // max clength | |
2227 | this._FBU.bytes += 3; | |
2228 | break; | |
2229 | case "filter": // filter id + num colors if palette | |
2230 | this._FBU.bytes += 2; | |
2231 | break; | |
2232 | case "copy": | |
2233 | break; | |
2234 | } | |
d065cad9 | 2235 | |
6d6f0db0 | 2236 | if (this._sock.rQwait("TIGHT " + cmode, this._FBU.bytes)) { return false; } |
b1dee947 | 2237 | |
6d6f0db0 SR |
2238 | // Determine FBU.bytes |
2239 | switch (cmode) { | |
2240 | case "fill": | |
2241 | // skip ctl byte | |
2242 | this._display.fillRect(this._FBU.x, this._FBU.y, this._FBU.width, this._FBU.height, [rQ[rQi + 3], rQ[rQi + 2], rQ[rQi + 1]], false); | |
2243 | this._sock.rQskipBytes(4); | |
2244 | break; | |
2245 | case "png": | |
2246 | case "jpeg": | |
2247 | // begin inline getTightCLength (returning two-item arrays is for peformance with GC) | |
2248 | var cl_offset = rQi + 1; | |
2249 | cl_header = 1; | |
2250 | cl_data = 0; | |
2251 | cl_data += rQ[cl_offset] & 0x7f; | |
2252 | if (rQ[cl_offset] & 0x80) { | |
2253 | cl_header++; | |
2254 | cl_data += (rQ[cl_offset + 1] & 0x7f) << 7; | |
2255 | if (rQ[cl_offset + 1] & 0x80) { | |
d1800d09 | 2256 | cl_header++; |
6d6f0db0 | 2257 | cl_data += rQ[cl_offset + 2] << 14; |
b1dee947 | 2258 | } |
6d6f0db0 SR |
2259 | } |
2260 | // end inline getTightCLength | |
2261 | this._FBU.bytes = 1 + cl_header + cl_data; // ctl + clength size + jpeg-data | |
2262 | if (this._sock.rQwait("TIGHT " + cmode, this._FBU.bytes)) { return false; } | |
798340b9 | 2263 | |
6d6f0db0 SR |
2264 | // We have everything, render it |
2265 | this._sock.rQskipBytes(1 + cl_header); // shift off clt + compact length | |
2266 | data = this._sock.rQshiftBytes(cl_data); | |
2267 | this._display.imageRect(this._FBU.x, this._FBU.y, "image/" + cmode, data); | |
2268 | break; | |
2269 | case "filter": | |
2270 | var filterId = rQ[rQi + 1]; | |
2271 | if (filterId === 1) { | |
2272 | if (!handlePalette()) { return false; } | |
b0ec6509 | 2273 | } else { |
6d6f0db0 SR |
2274 | // Filter 0, Copy could be valid here, but servers don't send it as an explicit filter |
2275 | // Filter 2, Gradient is valid but not use if jpeg is enabled | |
2276 | this._fail("Unexpected server message", | |
2277 | "Unsupported tight subencoding received, " + | |
2278 | "filter: " + filterId); | |
b0ec6509 | 2279 | } |
6d6f0db0 SR |
2280 | break; |
2281 | case "copy": | |
2282 | if (!handleCopy()) { return false; } | |
2283 | break; | |
2284 | } | |
b0ec6509 | 2285 | |
6d6f0db0 SR |
2286 | |
2287 | this._FBU.bytes = 0; | |
2288 | this._FBU.rects--; | |
2289 | ||
2290 | return true; | |
2291 | }, | |
2292 | ||
6d6f0db0 SR |
2293 | last_rect: function () { |
2294 | this._FBU.rects = 0; | |
2295 | return true; | |
2296 | }, | |
2297 | ||
6d6f0db0 SR |
2298 | ExtendedDesktopSize: function () { |
2299 | this._FBU.bytes = 1; | |
2300 | if (this._sock.rQwait("ExtendedDesktopSize", this._FBU.bytes)) { return false; } | |
2301 | ||
2302 | this._supportsSetDesktopSize = true; | |
832be262 PO |
2303 | this._setCapability("resize", true); |
2304 | ||
6d6f0db0 SR |
2305 | var number_of_screens = this._sock.rQpeek8(); |
2306 | ||
2307 | this._FBU.bytes = 4 + (number_of_screens * 16); | |
2308 | if (this._sock.rQwait("ExtendedDesktopSize", this._FBU.bytes)) { return false; } | |
2309 | ||
2310 | this._sock.rQskipBytes(1); // number-of-screens | |
2311 | this._sock.rQskipBytes(3); // padding | |
2312 | ||
2313 | for (var i = 0; i < number_of_screens; i += 1) { | |
2314 | // Save the id and flags of the first screen | |
2315 | if (i === 0) { | |
2316 | this._screen_id = this._sock.rQshiftBytes(4); // id | |
2317 | this._sock.rQskipBytes(2); // x-position | |
2318 | this._sock.rQskipBytes(2); // y-position | |
2319 | this._sock.rQskipBytes(2); // width | |
2320 | this._sock.rQskipBytes(2); // height | |
2321 | this._screen_flags = this._sock.rQshiftBytes(4); // flags | |
2322 | } else { | |
2323 | this._sock.rQskipBytes(16); | |
798340b9 | 2324 | } |
6d6f0db0 | 2325 | } |
b0ec6509 | 2326 | |
6d6f0db0 SR |
2327 | /* |
2328 | * The x-position indicates the reason for the change: | |
2329 | * | |
2330 | * 0 - server resized on its own | |
2331 | * 1 - this client requested the resize | |
2332 | * 2 - another client requested the resize | |
2333 | */ | |
b0ec6509 | 2334 | |
6d6f0db0 SR |
2335 | // We need to handle errors when we requested the resize. |
2336 | if (this._FBU.x === 1 && this._FBU.y !== 0) { | |
2337 | var msg = ""; | |
2338 | // The y-position indicates the status code from the server | |
2339 | switch (this._FBU.y) { | |
2340 | case 1: | |
2341 | msg = "Resize is administratively prohibited"; | |
2342 | break; | |
2343 | case 2: | |
2344 | msg = "Out of resources"; | |
2345 | break; | |
2346 | case 3: | |
2347 | msg = "Invalid screen layout"; | |
2348 | break; | |
2349 | default: | |
2350 | msg = "Unknown reason"; | |
2351 | break; | |
2352 | } | |
2353 | this._notification("Server did not accept the resize request: " | |
2354 | + msg, 'normal'); | |
910fd3af PO |
2355 | } else { |
2356 | this._resize(this._FBU.width, this._FBU.height); | |
6d6f0db0 | 2357 | } |
b1dee947 | 2358 | |
91d5c625 PO |
2359 | this._FBU.bytes = 0; |
2360 | this._FBU.rects -= 1; | |
6d6f0db0 SR |
2361 | return true; |
2362 | }, | |
b1dee947 | 2363 | |
6d6f0db0 | 2364 | DesktopSize: function () { |
91d5c625 PO |
2365 | this._resize(this._FBU.width, this._FBU.height); |
2366 | this._FBU.bytes = 0; | |
2367 | this._FBU.rects -= 1; | |
6d6f0db0 SR |
2368 | return true; |
2369 | }, | |
8db09746 | 2370 | |
6d6f0db0 SR |
2371 | Cursor: function () { |
2372 | Log.Debug(">> set_cursor"); | |
2373 | var x = this._FBU.x; // hotspot-x | |
2374 | var y = this._FBU.y; // hotspot-y | |
2375 | var w = this._FBU.width; | |
2376 | var h = this._FBU.height; | |
8db09746 | 2377 | |
26586b9d | 2378 | var pixelslength = w * h * 4; |
6d6f0db0 | 2379 | var masklength = Math.floor((w + 7) / 8) * h; |
a7a89626 | 2380 | |
6d6f0db0 SR |
2381 | this._FBU.bytes = pixelslength + masklength; |
2382 | if (this._sock.rQwait("cursor encoding", this._FBU.bytes)) { return false; } | |
b1dee947 | 2383 | |
6d6f0db0 SR |
2384 | this._display.changeCursor(this._sock.rQshiftBytes(pixelslength), |
2385 | this._sock.rQshiftBytes(masklength), | |
2386 | x, y, w, h); | |
b1dee947 | 2387 | |
6d6f0db0 SR |
2388 | this._FBU.bytes = 0; |
2389 | this._FBU.rects--; | |
8f06673a | 2390 | |
6d6f0db0 SR |
2391 | Log.Debug("<< set_cursor"); |
2392 | return true; | |
2393 | }, | |
25e4928f | 2394 | |
6d6f0db0 SR |
2395 | QEMUExtendedKeyEvent: function () { |
2396 | this._FBU.rects--; | |
25e4928f | 2397 | |
2bf4cf5a PO |
2398 | // Old Safari doesn't support creating keyboard events |
2399 | try { | |
2400 | var keyboardEvent = document.createEvent("keyboardEvent"); | |
2401 | if (keyboardEvent.code !== undefined) { | |
2402 | this._qemuExtKeyEventSupported = true; | |
2403 | } | |
2404 | } catch (err) { | |
058be785 | 2405 | } |
6d6f0db0 | 2406 | }, |
6d6f0db0 | 2407 | }; |