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[tor-commits] [tor-browser/tor-browser-68.1.0esr-9.0-1] Bug 30573 - Sanitize old tabs and wait for tor before opening new tabs



commit dd5be6e82f301448b2c4d3290beeb3729e943817
Author: Matthew Finkel <Matthew.Finkel@xxxxxxxxx>
Date:   Wed May 29 14:05:07 2019 +0000

    Bug 30573 - Sanitize old tabs and wait for tor before opening new tabs
---
 .../base/java/org/mozilla/gecko/BrowserApp.java    |  4 +-
 .../base/java/org/mozilla/gecko/GeckoApp.java      | 55 +++++++++++++++++++++-
 2 files changed, 57 insertions(+), 2 deletions(-)

diff --git a/mobile/android/base/java/org/mozilla/gecko/BrowserApp.java b/mobile/android/base/java/org/mozilla/gecko/BrowserApp.java
index c2a463ad6ed1..f03548e30ced 100644
--- a/mobile/android/base/java/org/mozilla/gecko/BrowserApp.java
+++ b/mobile/android/base/java/org/mozilla/gecko/BrowserApp.java
@@ -1134,7 +1134,7 @@ public class BrowserApp extends GeckoApp
      *
      * mTorStatus provides synchronization across threads.
      */
-    private boolean checkTorIsStarted() {
+    public boolean checkTorIsStarted() {
         // When tor is started, true. Otherwise, false
         mTorStatus = false;
         BroadcastReceiver br = setupReceiveTorIsStartedAsync();
@@ -2120,6 +2120,7 @@ public class BrowserApp extends GeckoApp
                         finishAndShutdown(/* restart */ false);
                     }
                 }
+                super.handleMessage(event, message, callback);
                 break;
 
             case "Sanitize:OpenTabs":
@@ -3019,6 +3020,7 @@ public class BrowserApp extends GeckoApp
 
                     // If we finished, then Tor bootstrapped 100%
                     mTorNeedsStart = false;
+                    EventDispatcher.getInstance().dispatch("Tor:Ready", null);
 
                     // When bootstrapping completes, check if the Firstrun (onboarding) screens
                     // should be shown.
diff --git a/mobile/android/base/java/org/mozilla/gecko/GeckoApp.java b/mobile/android/base/java/org/mozilla/gecko/GeckoApp.java
index 9c66f56b0485..388d7c3b89a3 100644
--- a/mobile/android/base/java/org/mozilla/gecko/GeckoApp.java
+++ b/mobile/android/base/java/org/mozilla/gecko/GeckoApp.java
@@ -193,6 +193,10 @@ public abstract class GeckoApp extends GeckoActivity
     protected Menu mMenu;
     protected boolean mIsRestoringActivity;
 
+    protected boolean mIsSanitizeTabsEnabled = false;
+    protected boolean mIsSanitizeCompleted = false;
+    protected Object mIsSanitizeCompletedLock = new Object();
+
     /** Tells if we're aborting app launch, e.g. if this is an unsupported device configuration. */
     protected boolean mIsAbortingAppLaunch;
 
@@ -604,6 +608,12 @@ public abstract class GeckoApp extends GeckoActivity
         for (final String clear : clearSet) {
             clearObj.putBoolean(clear, true);
         }
+
+        synchronized (mIsSanitizeCompletedLock) {
+            mIsSanitizeTabsEnabled = clearSet.contains("private.data.openTabs");
+            mIsSanitizeCompleted = false;
+        }
+
         return clearObj;
     }
 
@@ -788,6 +798,11 @@ public abstract class GeckoApp extends GeckoActivity
                 notifyAll();
             }
 
+        } else if ("Sanitize:Finished".equals(event)) {
+            synchronized (mIsSanitizeCompletedLock) {
+                mIsSanitizeCompleted = true;
+            }
+
         } else if ("SystemUI:Visibility".equals(event)) {
             if (message.getBoolean("visible", true)) {
                 mMainLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
@@ -1628,7 +1643,45 @@ public abstract class GeckoApp extends GeckoActivity
                         loadStartupTab(Tabs.LOADURL_NEW_TAB, action);
                     } else {
                         final int flags = getNewTabFlags();
-                        loadStartupTab(passedUri, intent, flags);
+                        final BrowserApp browserApp = (BrowserApp) GeckoApp.this;
+
+                        synchronized (mIsSanitizeCompletedLock) {
+                            // If OpenTabs will be sanitized, then load the tab after Sanitize:Finished
+                            // is received. If Tor isn't started, then load tabs after Tor:Ready, too. And
+                            // if Gecko isn't loaded, then wait until the profile is loaded (avoiding the race
+                            // between loading the page and checking if |browser.privatebrowsing.autoStart| is true.
+                            EventDispatcher.getInstance().registerUiThreadListener(new BundleEventListener() {
+                                // isSanitized is true if Sanitizing is enable and it is completed or if Sanitizing is disabled.
+                                private boolean isSanitized = (mIsSanitizeTabsEnabled && mIsSanitizeCompleted) || !mIsSanitizeTabsEnabled;
+                                private boolean isTorReady = browserApp.checkTorIsStarted();
+                                private boolean isGeckoReady = GeckoThread.isRunning();
+
+                                @Override
+                                public void handleMessage(String event, GeckoBundle message, EventCallback callback) {
+                                    if ("Sanitize:Finished".equals(event)) {
+                                        EventDispatcher.getInstance().unregisterUiThreadListener(this, "Sanitize:Finished");
+                                        isSanitized = true;
+
+                                    } else if ("Tor:Ready".equals(event)) {
+                                        EventDispatcher.getInstance().unregisterUiThreadListener(this, "Tor:Ready");
+                                        isTorReady = true;
+                                    } else if ("Gecko:Ready".equals(event)) {
+                                        EventDispatcher.getInstance().unregisterUiThreadListener(this, "Gecko:Ready");
+                                        isGeckoReady = true;
+                                    } else if ("Tor:CheckIfReady".equals(event)) {
+                                        EventDispatcher.getInstance().unregisterUiThreadListener(this, "Tor:CheckIfReady");
+                                    }
+
+                                    if (isSanitized && isTorReady && isGeckoReady) {
+                                        loadStartupTab(passedUri, intent, flags);
+                                    }
+                                }
+                            }, "Sanitize:Finished", "Tor:Ready", "Tor:CheckIfReady", "Gecko:Ready");
+
+                            // Run the event callback now, just in case Tor:Ready and Sanitize:Finished were
+                            // dispatched before the listener was created.
+                            EventDispatcher.getInstance().dispatch("Tor:CheckIfReady", null);
+                        }
                     }
                 }
             });



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