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[tor-commits] [Git][tpo/applications/tor-browser][tor-browser-140.0esr-15.0-1] 4 commits: amend! BB 31575: Disable Firefox Home (Activity Stream)

Title: GitLab

henry pushed to branch tor-browser-140.0esr-15.0-1 at The Tor Project / Applications / Tor Browser

Commits:

  • 27defb0b
    by Henry Wilkes at 2025-07-16T12:05:09+01:00 
    amend! BB 31575: Disable Firefox Home (Activity Stream)

BB 31575: Disable Firefox Home (Activity Stream)

Treat about:blank as the default home page and new tab page.

BB 43886: Disable the newtab component/addon.

Bug 41624: Disable about:pocket-* pages.

Bug 40144: Redirect about:privatebrowsing to the user's home
  • e6335a46
    by Henry Wilkes at 2025-07-16T12:05:20+01:00 
    fixup! TB 7494: Create local home page for TBB.

TB 43886: Drop tor-browser changes to AboutNewTabRedirector.sys.mjs
since the module is now excluded.
  • a4abc77c
    by Henry Wilkes at 2025-07-16T12:05:21+01:00 
    fixup! BB 31575: Disable Firefox Home (Activity Stream)

TB 43886: Drop base-browser changes to AboutNewTabRedirector.sys.mjs
since the module is now excluded.
  • dba06fad
    by Henry Wilkes at 2025-07-16T12:05:22+01:00 
    fixup! TB 7494: Create local home page for TBB.

TB 43886: Move about:tor redirector to browser/components/about/ and
change the home page to about:tor.

10 changed files:

Changes:

  • browser/actors/moz.build
    ... ... @@ -32,8 +32,7 @@ with Files("WebRTCChild.sys.mjs"):
    32 32 
         BUG_COMPONENT = ("Firefox", "Site Permissions")
    33 33
    34 34 
     FINAL_TARGET_FILES.actors += [
    35 
    -    "AboutNewTabChild.sys.mjs",
    36 
    -    "AboutNewTabParent.sys.mjs",
    35 
    +    # Remove newtab actors. tor-browser#43886.
    37 36 
         "AboutPocketChild.sys.mjs",
    38 37 
         "AboutPocketParent.sys.mjs",
    39 38 
         "AboutPrivateBrowsingChild.sys.mjs",

  • browser/components/BrowserComponents.manifest
    ... ... @@ -17,7 +17,7 @@ category browser-before-ui-startup resource://normandy/Normandy.sys.mjs Normandy
    17 17 
     #endif
    18 18 
     category browser-before-ui-startup resource:///modules/ResetPBMPanel.sys.mjs ResetPBMPanel.init
    19 19 
     category browser-before-ui-startup resource:///modules/HomepageOverride.sys.mjs HomepageOverride.check
    20 
    -category browser-before-ui-startup resource:///modules/AboutHomeStartupCache.sys.mjs AboutHomeStartupCache.init
    20 
    +# newtab component is disabled. tor-browser#43886
    21 21 
     category browser-before-ui-startup resource:///modules/AccountsGlue.sys.mjs AccountsGlue.init
    22 22
    23 23 
     # Browser window lifecycle consumers

  • browser/components/BrowserGlue.sys.mjs
    ... ... @@ -8,7 +8,7 @@ import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
    8 8 
     const lazy = {};
    9 9
    10 10 
     ChromeUtils.defineESModuleGetters(lazy, {
    11 
    -  AboutHomeStartupCache: "resource:///modules/AboutHomeStartupCache.sys.mjs",
    11 
    +  // newtab component is disabled. tor-browser#43886
    12 12 
       AWToolbarButton: "resource:///modules/aboutwelcome/AWToolbarUtils.sys.mjs",
    13 13 
       ASRouter: "resource:///modules/asrouter/ASRouter.sys.mjs",
    14 14 
       AddonManager: "resource://gre/modules/AddonManager.sys.mjs",
    ... ... @@ -569,10 +569,7 @@ BrowserGlue.prototype = {
    569 569
    570 570 
       // cleanup (called on application shutdown)
    571 571 
       _dispose: function BG__dispose() {
    572 
    -    // AboutHomeStartupCache might write to the cache during
    573 
    -    // quit-application-granted, so we defer uninitialization
    574 
    -    // until here.
    575 
    -    lazy.AboutHomeStartupCache.uninit();
    572 
    +    // newtab component is disabled. tor-browser#43886
    576 573
    577 574 
         if (this._lateTasksIdleObserver) {
    578 575 
           this._userIdleService.removeIdleObserver(

  • browser/components/about/AboutRedirector.cpp
    ... ... @@ -26,6 +26,18 @@
    26 26 
     #define ABOUT_WELCOME_CHROME_URL \
    27 27 
       "chrome://browser/content/aboutwelcome/aboutwelcome.html"
    28 28 
     #define ABOUT_HOME_URL "about:home"
    29 
    +// NOTE: We return "about:tor" rather than the "chrome:" path
    30 
    +// "chrome://browser/content/abouttor/aboutTor.html"
    31 
    +// The result is that the channel created in NewChannel in will have its
    32 
    +// resultPrincipalURI set to "about:tor".
    33 
    +// What this means in practice is that the loaded document's documentURI and
    34 
    +// currentURI will be "about:tor" rather than "about:newtab", "about:home",
    35 
    +// "about:welcome" or "about:privatebrowsing".
    36 
    +// The disadvantage of this is that we often need to add "about:tor" to places
    37 
    +// where "about:newtab" or other URIs appear.
    38 
    +// The advantage is that we maintain more control against changes in
    39 
    +// mozilla-central.
    40 
    +#define BASE_BROWSER_HOME_PAGE_URL "about:tor"
    29 41
    30 42 
     namespace mozilla {
    31 43 
     namespace browser {
    ... ... @@ -38,6 +50,11 @@ struct RedirEntry {
    38 50 
       uint32_t flags;
    39 51 
     };
    40 52
    53 
    +static const uint32_t BASE_BROWSER_HOME_PAGE_FLAGS =
    54 
    +    nsIAboutModule::URI_MUST_LOAD_IN_CHILD |
    55 
    +    nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
    56 
    +    nsIAboutModule::ALLOW_SCRIPT | nsIAboutModule::IS_SECURE_CHROME_UI;
    57 
    +
    41 58 
     /*
    42 59 
       Entries which do not have URI_SAFE_FOR_UNTRUSTED_CONTENT will run with chrome
    43 60 
       privileges. This is potentially dangerous. Please use
    ... ... @@ -82,10 +99,7 @@ static const RedirEntry kRedirMap[] = {
    82 99 
              nsIAboutModule::IS_SECURE_CHROME_UI},
    83 100 
         {"policies", "chrome://browser/content/policies/aboutPolicies.html",
    84 101 
          nsIAboutModule::ALLOW_SCRIPT | nsIAboutModule::IS_SECURE_CHROME_UI},
    85 
    -    {"privatebrowsing", "about:blank",
    86 
    -     nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
    87 
    -         nsIAboutModule::URI_MUST_LOAD_IN_CHILD | nsIAboutModule::ALLOW_SCRIPT |
    88 
    -         nsIAboutModule::URI_CAN_LOAD_IN_PRIVILEGEDABOUT_PROCESS},
    102 
    +    {"privatebrowsing", "about:blank", BASE_BROWSER_HOME_PAGE_FLAGS},
    89 103 
         {"profiling",
    90 104 
          "chrome://devtools/content/performance-new/aboutprofiling/index.html",
    91 105 
          nsIAboutModule::ALLOW_SCRIPT | nsIAboutModule::IS_SECURE_CHROME_UI},
    ... ... @@ -111,11 +125,10 @@ static const RedirEntry kRedirMap[] = {
    111 125 
         {"welcomeback", "chrome://browser/content/aboutWelcomeBack.xhtml",
    112 126 
          nsIAboutModule::ALLOW_SCRIPT | nsIAboutModule::HIDE_FROM_ABOUTABOUT |
    113 127 
              nsIAboutModule::IS_SECURE_CHROME_UI},
    114 
    -    {"welcome", "about:blank",
    115 
    -     nsIAboutModule::URI_MUST_LOAD_IN_CHILD |
    116 
    -         nsIAboutModule::URI_CAN_LOAD_IN_PRIVILEGEDABOUT_PROCESS |
    117 
    -         nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
    118 
    -         nsIAboutModule::ALLOW_SCRIPT},
    128 
    +    {"welcome", "about:blank", BASE_BROWSER_HOME_PAGE_FLAGS},
    129 
    +    {"home", "about:blank", BASE_BROWSER_HOME_PAGE_FLAGS},
    130 
    +    {"newtab", "chrome://browser/content/blanktab.html",
    131 
    +     BASE_BROWSER_HOME_PAGE_FLAGS},
    119 132 
         {"messagepreview",
    120 133 
          "chrome://browser/content/messagepreview/messagepreview.html",
    121 134 
          nsIAboutModule::URI_MUST_LOAD_IN_CHILD |
    ... ... @@ -177,6 +190,8 @@ static const RedirEntry kRedirMap[] = {
    177 190 
              nsIAboutModule::URI_MUST_LOAD_IN_CHILD |
    178 191 
              nsIAboutModule::URI_CAN_LOAD_IN_PRIVILEGEDABOUT_PROCESS},
    179 192 
     #endif
    193 
    +    {"tor", "chrome://browser/content/abouttor/aboutTor.html",
    194 
    +     BASE_BROWSER_HOME_PAGE_FLAGS},
    180 195 
         // The correct URI must be obtained by GetManualChromeURI
    181 196 
         {"manual", "about:blank",
    182 197 
          nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
    ... ... @@ -277,13 +292,11 @@ AboutRedirector::NewChannel(nsIURI* aURI, nsILoadInfo* aLoadInfo,
    277 292 
         if (!strcmp(path.get(), redir.id)) {
    278 293 
           nsAutoCString url;
    279 294
    280 
    -      if (path.EqualsLiteral("welcome")) {
    281 
    -        NimbusFeatures::RecordExposureEvent("aboutwelcome"_ns, true);
    282 
    -        if (NimbusFeatures::GetBool("aboutwelcome"_ns, "enabled"_ns, true)) {
    283 
    -          url.AssignASCII(ABOUT_WELCOME_CHROME_URL);
    284 
    -        } else {
    285 
    -          url.AssignASCII(ABOUT_HOME_URL);
    286 
    -        }
    295 
    +      if (path.EqualsLiteral("welcome") || path.EqualsLiteral("home") ||
    296 
    +          path.EqualsLiteral("privatebrowsing") ||
    297 
    +          (path.EqualsLiteral("newtab") &&
    298 
    +           StaticPrefs::browser_newtabpage_enabled())) {
    299 
    +        url.AssignASCII(BASE_BROWSER_HOME_PAGE_URL);
    287 300 
           }
    288 301
    289 302 
           if (path.EqualsLiteral("manual")) {

  • browser/components/about/components.conf
    ... ... @@ -10,8 +10,10 @@ pages = [
    10 10 
         'certerror',
    11 11 
         'downloads',
    12 12 
         'framecrashed',
    13 
    +    'home',
    13 14 
         'logins',
    14 15 
         'loginsimportreport',
    16 
    +    'newtab',
    15 17 
         'manual',
    16 18 
         'messagepreview',
    17 19 
         'policies',
    ... ... @@ -26,6 +28,7 @@ pages = [
    26 28 
         'sessionrestore',
    27 29 
         'settings',
    28 30 
         'tabcrashed',
    31 
    +    'tor',
    29 32 
         'unloads',
    30 33 
         'welcome',
    31 34 
         'welcomeback',

  • browser/components/moz.build
    ... ... @@ -44,7 +44,7 @@ DIRS += [
    44 44 
         "messagepreview",
    45 45 
         "migration",
    46 46 
         "newidentity",
    47 
    -    "newtab",
    47 
    +    # Exclude newtab component. tor-browser#43886.
    48 48 
         "onionservices",
    49 49 
         "originattributes",
    50 50 
         "pagedata",

  • browser/components/newtab/AboutNewTabRedirector.sys.mjs
    ... ... @@ -416,19 +416,20 @@ class BaseAboutNewTabRedirector {
    416 416 
        * the newtab page has no effect on the result of this function.
    417 417 
        */
    418 418 
       get defaultURL() {
    419 
    -    // NOTE: We return "about:tor" rather than the "chrome:" path
    420 
    -    // "chrome://browser/content/abouttor/aboutTor.html"
    421 
    -    // The result is that the channel created in NewChannel in
    422 
    -    // browser/components/about/AboutRedirector.cpp will have its
    423 
    -    // resultPrincipalURI set to "about:tor".
    424 
    -    // What this means in practice is that the loaded document's documentURI and
    425 
    -    // currentURI will be "about:tor" rather than "about:newtab", "about:home",
    426 
    -    // "about:welcome" or "about:privatebrowsing".
    427 
    -    // The disadvantage of this is that we often need to add "about:tor" to
    428 
    -    // places where "about:newtab" or other URIs appear.
    429 
    -    // The advantage is that we maintain more control against changes in
    430 
    -    // mozilla-central.
    431 
    -    return "about:tor";
    419 
    +    // Generate the desired activity stream resource depending on state, e.g.,
    420 
    +    // "resource://newtab/prerendered/activity-stream.html"
    421 
    +    // "resource://newtab/prerendered/activity-stream-debug.html"
    422 
    +    // "resource://newtab/prerendered/activity-stream-noscripts.html"
    423 
    +    return [
    424 
    +      "resource://newtab/prerendered/",
    425 
    +      "activity-stream",
    426 
    +      // Debug version loads dev scripts but noscripts separately loads scripts
    427 
    +      this.activityStreamDebug && !this.privilegedAboutProcessEnabled
    428 
    +        ? "-debug"
    429 
    +        : "",
    430 
    +      this.privilegedAboutProcessEnabled ? "-noscripts" : "",
    431 
    +      ".html",
    432 
    +    ].join("");
    432 433 
       }
    433 434
    434 435 
       newChannel() {

  • browser/modules/AboutNewTab.sys.mjs
    ... ... @@ -154,6 +154,11 @@ export const AboutNewTab = {
    154 154 
        * onBrowserReady - Continues the initialization of Activity Stream after browser is ready.
    155 155 
        */
    156 156 
       async onBrowserReady() {
    157 
    +    if (AppConstants.BASE_BROWSER_VERSION) {
    158 
    +      // Do not initialise ActivityStream, which we do not want and is not
    159 
    +      // available. tor-browser#43886.
    160 
    +      return;
    161 
    +    }
    157 162 
         if (this.activityStream && this.activityStream.initialized) {
    158 163 
           return;
    159 164 
         }

  • docshell/base/nsAboutRedirector.cpp
    ... ... @@ -232,11 +232,7 @@ static const RedirEntry kRedirMap[] = {
    232 232 
              nsIAboutModule::URI_CAN_LOAD_IN_CHILD |
    233 233 
              nsIAboutModule::URI_MUST_LOAD_IN_CHILD},
    234 234 
         {"crashgpu", "about:blank", nsIAboutModule::HIDE_FROM_ABOUTABOUT},
    235 
    -    {"crashextensions", "about:blank", nsIAboutModule::HIDE_FROM_ABOUTABOUT},
    236 
    -    {"tor", "chrome://browser/content/abouttor/aboutTor.html",
    237 
    -     nsIAboutModule::URI_MUST_LOAD_IN_CHILD |
    238 
    -         nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
    239 
    -         nsIAboutModule::ALLOW_SCRIPT | nsIAboutModule::IS_SECURE_CHROME_UI}};
    235 
    +    {"crashextensions", "about:blank", nsIAboutModule::HIDE_FROM_ABOUTABOUT}};
    240 236 
     static const int kRedirTotal = std::size(kRedirMap);
    241 237
    242 238 
     NS_IMETHODIMP

  • docshell/build/components.conf
    ... ... @@ -31,7 +31,6 @@ about_pages = [
    31 31 
         'support',
    32 32 
         'torconnect',
    33 33 
         'translations',
    34 
    -    'tor',
    35 34 
         # Removed 'url-classifier'. tor-browser#42831.
    36 35 
     ]
    37 36

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