[tor-commits] [tor-browser/tor-browser-60.5.1esr-8.5-1] Bug 27486 Avoid about:blank tabs when opening onboarding pages.

[gk@xxxxxxxxxxxxxx]

commit 3a69f6697799d7c6d0ed408df8aa28239b430556
Author: Kathy Brade <brade@xxxxxxxxxxxxxxxxx>
Date:   Wed Feb 13 11:32:13 2019 -0500

    Bug 27486 Avoid about:blank tabs when opening onboarding pages.
    
    Instead of using a simple <a href>, programmatically open onboarding
    web pages by using tabBrowser.addTab(). The same technique is now
    used for "See My Path", "See FAQs", and "Visit an Onion".
---
 browser/extensions/onboarding/bootstrap.js         | 17 +++++++-------
 .../extensions/onboarding/content/onboarding.js    | 26 +++++++++++++---------
 2 files changed, 24 insertions(+), 19 deletions(-)

diff --git a/browser/extensions/onboarding/bootstrap.js b/browser/extensions/onboarding/bootstrap.js
index 0762249ba1e9..a90bef0faaa2 100644
--- a/browser/extensions/onboarding/bootstrap.js
+++ b/browser/extensions/onboarding/bootstrap.js
@@ -91,16 +91,17 @@ function setPrefs(prefs) {
   });
 }
 
-function openTorCircuitDisplayPage() {
-  let kFrameScript = "resource://onboarding/onboarding-tor-circuit-display.js";
-  const kOnionURL = "https://3g2upl4pq6kufc4m.onion/";;	// DuckDuckGo
+function openTorTab(aURL, aFrameScript) {
   let win = Services.wm.getMostRecentWindow('navigator:browser');
   if (win) {
     let tabBrowser = win.gBrowser;
-    let tab = tabBrowser.addTab(kOnionURL);
+    let tab = tabBrowser.addTab(aURL);
     tabBrowser.selectedTab = tab;
-    let b = tabBrowser.getBrowserForTab(tab);
-    b.messageManager.loadFrameScript(kFrameScript, true);
+
+    if (aFrameScript) {
+      let b = tabBrowser.getBrowserForTab(tab);
+      b.messageManager.loadFrameScript(aFrameScript, true);
+    }
   }
 }
 
@@ -177,8 +178,8 @@ function initContentMessageListener() {
           isLoggedIn: syncTourChecker.isLoggedIn()
         });
         break;
-      case "tor-open-circuit-display-page":
-        openTorCircuitDisplayPage();
+      case "tor-open-tab":
+        openTorTab(msg.data.params.url, msg.data.params.frameScriptURL);
         break;
 #if 0
 // No telemetry in Tor Browser.
diff --git a/browser/extensions/onboarding/content/onboarding.js b/browser/extensions/onboarding/content/onboarding.js
index 9d03a6fc82d8..5cb81852bb73 100644
--- a/browser/extensions/onboarding/content/onboarding.js
+++ b/browser/extensions/onboarding/content/onboarding.js
@@ -195,12 +195,9 @@ var onboardingTourset = {
       createOnboardingTourDescription(div,
         "onboarding.tour-tor-expect-differences.title", "onboarding.tour-tor-expect-differences.description");
       createOnboardingTourContent(div, "resource://onboarding/img/figure_tor-expect-differences.png");
-      let button = createOnboardingTourButton(div,
+      createOnboardingTourButton(div,
                         "onboarding-tour-tor-expect-differences-button",
-                        "onboarding.tour-tor-expect-differences.button", "a");
-      let anchor = button.querySelector("a");
-      anchor.setAttribute("href", "https://support.torproject.org/#faq";);
-      anchor.setAttribute("target", "_blank");
+                        "onboarding.tour-tor-expect-differences.button");
 
       return div;
     },
@@ -214,12 +211,9 @@ var onboardingTourset = {
       createOnboardingTourDescription(div,
         "onboarding.tour-tor-onion-services.title", "onboarding.tour-tor-onion-services.description");
       createOnboardingTourContent(div, "resource://onboarding/img/figure_tor-onion-services.png");
-      let button = createOnboardingTourButton(div,
+      createOnboardingTourButton(div,
                         "onboarding-tour-tor-onion-services-button",
-                        "onboarding.tour-tor-onion-services.button", "a");
-      let anchor = button.querySelector("a");
-      anchor.setAttribute("href", "https://3g2upl4pq6kufc4m.onion/";);
-      anchor.setAttribute("target", "_blank");
+                        "onboarding.tour-tor-onion-services.button");
 
       return div;
     },
@@ -836,6 +830,7 @@ class Onboarding {
       ({ id, classList } = target.firstChild);
     }
 
+    const kOnionURL = "https://3g2upl4pq6kufc4m.onion/";;  // DuckDuckGo
     let handledTourActionClick = false;
     switch (id) {
       case "onboarding-overlay-button":
@@ -918,7 +913,16 @@ class Onboarding {
         handledTourActionClick = true;
         break;
       case "onboarding-tour-tor-circuit-display-button":
-        sendMessageToChrome("tor-open-circuit-display-page");
+        let kFrameScript = "resource://onboarding/onboarding-tor-circuit-display.js";
+        sendMessageToChrome("tor-open-tab",
+                            {url: kOnionURL, frameScriptURL: kFrameScript});
+        break;
+      case "onboarding-tour-tor-expect-differences-button":
+        const kFAQURL = "https://support.torproject.org/#faq";;
+        sendMessageToChrome("tor-open-tab", {url: kFAQURL});
+        break;
+      case "onboarding-tour-tor-onion-services-button":
+        sendMessageToChrome("tor-open-tab", {url: kOnionURL});
         break;
     }
     if (classList.contains("onboarding-tour-item")) {

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