summaryrefslogtreecommitdiffstats
path: root/webbrowser/components/preferences/privacy.js
blob: e2a871acce159f78bb8fb0225fd16f56858d2555 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");

var gPrivacyPane = {

  /**
   * Whether the use has selected the auto-start private browsing mode in the UI.
   */
  _autoStartPrivateBrowsing: false,

  /**
   * Whether the prompt to restart Firefox should appear when changing the autostart pref.
   */
  _shouldPromptForRestart: true,

  /**
   * Sets up the UI for the number of days of history to keep, and updates the
   * label of the "Clear Now..." button.
   * Also restores the previously selected tab or tab index passed as argument.
   */
  init: function ()
  {
    this._inited = true;
    var privacyPrefs = document.getElementById("privacyPrefs");

    var extraArgs = window.arguments[1];
    if (extraArgs && extraArgs["privacyTab"]){
      privacyPrefs.selectedTab = document.getElementById(extraArgs["privacyTab"]);
    } else {
      var preference = document.getElementById("browser.preferences.privacy.selectedTabIndex");
      if (preference.value !== null)
        privacyPrefs.selectedIndex = preference.value;
    }
  
    this._updateSanitizeSettingsButton();
    this.initializeHistoryMode();
    this.updateHistoryModePane();
    this.updatePrivacyMicroControls();
    this.initAutoStartPrivateBrowsingReverter();
  },

  /**
   * Stores the identity of the current tab in preferences so that the selected
   * tab can be persisted between openings of the preferences window.
   */
  tabSelectionChanged: function ()
  {
    if (!this._inited)
      return;
    var privacyPrefs = document.getElementById("privacyPrefs");
    var preference = document.getElementById("browser.preferences.privacy.selectedTabIndex");
    preference.valueFromPreferences = privacyPrefs.selectedIndex;
  },
  
  // HISTORY MODE

  /**
   * The list of preferences which affect the initial history mode settings.
   * If the auto start private browsing mode pref is active, the initial
   * history mode would be set to "Don't remember anything".
   * If all of these preferences have their default values, and the auto-start
   * private browsing mode is not active, the initial history mode would be
   * set to "Remember everything".
   * Otherwise, the initial history mode would be set to "Custom".
   *
   * Extensions adding their own preferences can append their IDs to this array if needed.
   */
  prefsForDefault: [
    "places.history.enabled",
    "browser.formfill.enable",
    "network.cookie.cookieBehavior",
    "network.cookie.lifetimePolicy",
    "privacy.sanitize.sanitizeOnShutdown"
  ],

  /**
   * The list of control IDs which are dependent on the auto-start private
   * browsing setting, such that in "Custom" mode they would be disabled if
   * the auto-start private browsing checkbox is checked, and enabled otherwise.
   *
   * Extensions adding their own controls can append their IDs to this array if needed.
   */
  dependentControls: [
    "rememberHistory",
    "rememberForms",
    "keepUntil",
    "keepCookiesUntil",
    "alwaysClear",
    "clearDataSettings"
  ],

  /**
   * Check whether all the preferences values are set to their default values
   *
   * @param aPrefs an array of pref names to check for
   * @returns boolean true if all of the prefs are set to their default values,
   *                  false otherwise
   */
  _checkDefaultValues: function(aPrefs) {
    for (let i = 0; i < aPrefs.length; ++i) {
      let pref = document.getElementById(aPrefs[i]);
      if (pref.value != pref.defaultValue)
        return false;
    }
    return true;
  },

  /**
   * Initialize the history mode menulist based on the privacy preferences
   */
  initializeHistoryMode: function PPP_initializeHistoryMode()
  {
    let mode;
    let getVal = function (aPref)
      document.getElementById(aPref).value;

    if (this._checkDefaultValues(this.prefsForDefault)) {
      if (getVal("browser.privatebrowsing.autostart"))
        mode = "dontremember";
      else 
        mode = "remember";
    }
    else
      mode = "custom";

    document.getElementById("historyMode").value = mode;
  },

  /**
   * Update the selected pane based on the history mode menulist
   */
  updateHistoryModePane: function PPP_updateHistoryModePane()
  {
    let selectedIndex = -1;
    switch (document.getElementById("historyMode").value) {
    case "remember":
      selectedIndex = 0;
      break;
    case "dontremember":
      selectedIndex = 1;
      break;
    case "custom":
      selectedIndex = 2;
      break;
    }
    document.getElementById("historyPane").selectedIndex = selectedIndex;
  },

  /**
   * Update the private browsing auto-start pref and the history mode
   * micro-management prefs based on the history mode menulist
   */
  updateHistoryModePrefs: function PPP_updateHistoryModePrefs()
  {
    let pref = document.getElementById("browser.privatebrowsing.autostart");
    switch (document.getElementById("historyMode").value) {
    case "remember":
      if (pref.value)
        pref.value = false;

      // select the remember history option
      document.getElementById("places.history.enabled").value = true;

      // select the remember forms history option
      document.getElementById("browser.formfill.enable").value = true;

      // select the accept cookies option
      document.getElementById("network.cookie.cookieBehavior").value = 0;
      // select the cookie lifetime policy option
      document.getElementById("network.cookie.lifetimePolicy").value = 0;

      // select the clear on close option
      document.getElementById("privacy.sanitize.sanitizeOnShutdown").value = false;
      break;
    case "dontremember":
      if (!pref.value)
        pref.value = true;
      break;
    }
  },

  /**
   * Update the privacy micro-management controls based on the
   * value of the private browsing auto-start checkbox.
   */
  updatePrivacyMicroControls: function PPP_updatePrivacyMicroControls()
  {
    if (document.getElementById("historyMode").value == "custom") {
      let disabled = this._autoStartPrivateBrowsing =
        document.getElementById("privateBrowsingAutoStart").checked;
      this.dependentControls
          .forEach(function (aElement)
                   document.getElementById(aElement).disabled = disabled);

      const Ci = Components.interfaces;
      // adjust the cookie controls status
      this.readAcceptCookies();
      let lifetimePolicy = document.getElementById("network.cookie.lifetimePolicy").value;
      if (lifetimePolicy != Ci.nsICookieService.ACCEPT_NORMALLY &&
          lifetimePolicy != Ci.nsICookieService.ACCEPT_SESSION &&
          lifetimePolicy != Ci.nsICookieService.ACCEPT_FOR_N_DAYS) {
        lifetimePolicy = Ci.nsICookieService.ACCEPT_NORMALLY;
      }
      document.getElementById("keepCookiesUntil").value = disabled ? 2 : lifetimePolicy;

      // adjust the checked state of the sanitizeOnShutdown checkbox
      document.getElementById("alwaysClear").checked = disabled ? false :
        document.getElementById("privacy.sanitize.sanitizeOnShutdown").value;

      // adjust the checked state of the remember history checkboxes
      document.getElementById("rememberHistory").checked = disabled ? false :
        document.getElementById("places.history.enabled").value;
      document.getElementById("rememberForms").checked = disabled ? false :
        document.getElementById("browser.formfill.enable").value;

      if (!disabled) {
        // adjust the Settings button for sanitizeOnShutdown
        this._updateSanitizeSettingsButton();
      }
    }
  },

  // PRIVATE BROWSING

  /**
   * Initialize the starting state for the auto-start private browsing mode pref reverter.
   */
  initAutoStartPrivateBrowsingReverter: function PPP_initAutoStartPrivateBrowsingReverter()
  {
    let mode = document.getElementById("historyMode");
    let autoStart = document.getElementById("privateBrowsingAutoStart");
    this._lastMode = mode.selectedIndex;
    this._lastCheckState = autoStart.hasAttribute('checked');
  },

  _lastMode: null,
  _lasCheckState: null,
  updateAutostart: function PPP_updateAutostart() {
      let mode = document.getElementById("historyMode");
      let autoStart = document.getElementById("privateBrowsingAutoStart");
      let pref = document.getElementById("browser.privatebrowsing.autostart");
      if ((mode.value == "custom" && this._lastCheckState == autoStart.checked) ||
          (mode.value == "remember" && !this._lastCheckState) ||
          (mode.value == "dontremember" && this._lastCheckState)) {
          // These are all no-op changes, so we don't need to prompt.
          this._lastMode = mode.selectedIndex;
          this._lastCheckState = autoStart.hasAttribute('checked');
          return;
      }

      if (!this._shouldPromptForRestart) {
        // We're performing a revert. Just let it happen.
        return;
      }

      const Cc = Components.classes, Ci = Components.interfaces;
      let brandName = document.getElementById("bundleBrand").getString("brandShortName");
      let bundle = document.getElementById("bundlePreferences");
      let msg = bundle.getFormattedString(autoStart.checked ?
                                          "featureEnableRequiresRestart" : "featureDisableRequiresRestart",
                                          [brandName]);
      let title = bundle.getFormattedString("shouldRestartTitle", [brandName]);
      let prompts = Cc["@mozilla.org/embedcomp/prompt-service;1"].getService(Ci.nsIPromptService);
      let shouldProceed = prompts.confirm(window, title, msg)
      if (shouldProceed) {
        let cancelQuit = Cc["@mozilla.org/supports-PRBool;1"]
                           .createInstance(Ci.nsISupportsPRBool);
        Services.obs.notifyObservers(cancelQuit, "quit-application-requested",
                                     "restart");
        shouldProceed = !cancelQuit.data;

        if (shouldProceed) {
          pref.value = autoStart.hasAttribute('checked');
          document.documentElement.acceptDialog();
          let appStartup = Cc["@mozilla.org/toolkit/app-startup;1"]
                             .getService(Ci.nsIAppStartup);
          appStartup.quit(Ci.nsIAppStartup.eAttemptQuit |  Ci.nsIAppStartup.eRestart);
          return;
        }
      }

      this._shouldPromptForRestart = false;

      if (this._lastCheckState) {
        autoStart.checked = "checked";
      } else {
        autoStart.removeAttribute('checked');
      }
      mode.selectedIndex = this._lastMode;
      mode.doCommand();

      this._shouldPromptForRestart = true;
  },

  // HISTORY

  /*
   * Preferences:
   *
   * places.history.enabled
   * - whether history is enabled or not
   * browser.formfill.enable
   * - true if entries in forms and the search bar should be saved, false
   *   otherwise
   */

  // COOKIES

  /*
   * Preferences:
   *
   * network.cookie.cookieBehavior
   * - determines how the browser should handle cookies:
   *     0   means enable all cookies
   *     1   means reject all third party cookies
   *     2   means disable all cookies
   *     3   means reject third party cookies unless at least one is already set for the eTLD
   *         see netwerk/cookie/src/nsCookieService.cpp for details
   * network.cookie.lifetimePolicy
   * - determines how long cookies are stored:
   *     0   means keep cookies until they expire
   *     2   means keep cookies until the browser is closed
   */

  /**
   * Reads the network.cookie.cookieBehavior preference value and
   * enables/disables the rest of the cookie UI accordingly, returning true
   * if cookies are enabled.
   */
  readAcceptCookies: function ()
  {
    var pref = document.getElementById("network.cookie.cookieBehavior");
    var acceptThirdPartyLabel = document.getElementById("acceptThirdPartyLabel");
    var acceptThirdPartyMenu = document.getElementById("acceptThirdPartyMenu");
    var keepUntil = document.getElementById("keepUntil");
    var menu = document.getElementById("keepCookiesUntil");

    // enable the rest of the UI for anything other than "disable all cookies"
    var acceptCookies = (pref.value != 2);

    acceptThirdPartyLabel.disabled = acceptThirdPartyMenu.disabled = !acceptCookies;
    keepUntil.disabled = menu.disabled = this._autoStartPrivateBrowsing || !acceptCookies;
    
    return acceptCookies;
  },

  /**
   * Enables/disables the "keep until" label and menulist in response to the
   * "accept cookies" checkbox being checked or unchecked.
   */
  writeAcceptCookies: function ()
  {
    var accept = document.getElementById("acceptCookies");
    var acceptThirdPartyMenu = document.getElementById("acceptThirdPartyMenu");

    // if we're enabling cookies, automatically select 'accept third party always'
    if (accept.checked)
      acceptThirdPartyMenu.selectedIndex = 0;

    return accept.checked ? 0 : 2;
  },
  
  /**
   * Converts between network.cookie.cookieBehavior and the third-party cookie UI
   */
  readAcceptThirdPartyCookies: function ()
  {
    var pref = document.getElementById("network.cookie.cookieBehavior");
    switch (pref.value)
    {
      case 0:
        return "always";
      case 1:
        return "never";
      case 2:
        return "never";
      case 3:
        return "visited";
      default:
        return undefined;
    }
  },
  
  writeAcceptThirdPartyCookies: function ()
  {
    var accept = document.getElementById("acceptThirdPartyMenu").selectedItem;
    switch (accept.value)
    {
      case "always":
        return 0;
      case "visited":
        return 3;
      case "never":
        return 1;
      default:
        return undefined;
    }
  },

  /**
   * Displays fine-grained, per-site preferences for cookies.
   */
  showCookieExceptions: function ()
  {
    var bundlePreferences = document.getElementById("bundlePreferences");
    var params = { blockVisible   : true, 
                   sessionVisible : true, 
                   allowVisible   : true, 
                   prefilledHost  : "", 
                   permissionType : "cookie",
                   windowTitle    : bundlePreferences.getString("cookiepermissionstitle"),
                   introText      : bundlePreferences.getString("cookiepermissionstext") };
    document.documentElement.openWindow("Browser:Permissions",
                                        "chrome://browser/content/preferences/permissions.xul",
                                        "", params);
  },

  /**
   * Displays all the user's cookies in a dialog.
   */  
  showCookies: function (aCategory)
  {
    document.documentElement.openWindow("Browser:Cookies",
                                        "chrome://browser/content/preferences/cookies.xul",
                                        "", null);
  },

  // CLEAR PRIVATE DATA

  /*
   * Preferences:
   *
   * privacy.sanitize.sanitizeOnShutdown
   * - true if the user's private data is cleared on startup according to the
   *   Clear Private Data settings, false otherwise
   */

  /**
   * Displays the Clear Private Data settings dialog.
   */
  showClearPrivateDataSettings: function ()
  {
    document.documentElement.openSubDialog("chrome://browser/content/preferences/sanitize.xul",
                                           "", null);
  },


  /**
   * Displays a dialog from which individual parts of private data may be
   * cleared.
   */
  clearPrivateDataNow: function (aClearEverything)
  {
    var ts = document.getElementById("privacy.sanitize.timeSpan");
    var timeSpanOrig = ts.value;
    if (aClearEverything)
      ts.value = 0;

    const Cc = Components.classes, Ci = Components.interfaces;
    var glue = Cc["@mozilla.org/browser/browserglue;1"]
                 .getService(Ci.nsIBrowserGlue);
    glue.sanitize(window);

    // reset the timeSpan pref
    if (aClearEverything)
      ts.value = timeSpanOrig;
    Services.obs.notifyObservers(null, "clear-private-data", null);
  },

  /**
   * Enables or disables the "Settings..." button depending
   * on the privacy.sanitize.sanitizeOnShutdown preference value
   */
  _updateSanitizeSettingsButton: function () {
    var settingsButton = document.getElementById("clearDataSettings");
    var sanitizeOnShutdownPref = document.getElementById("privacy.sanitize.sanitizeOnShutdown");
    
    settingsButton.disabled = !sanitizeOnShutdownPref.value;
   }

};