Prevent suppressing executable warnings using the "don't ask me this again" checkbox.

A hidden preference matching the behavior of "browser.download.manager.alertOnEXEOpen" is kept, but is renamed in order to recover cases where the checkbox was used accidentally.
While there, simplify the `confirmLaunchExecutable` function by converting from promises to async function.
Since Basilisk moved this prompting to toolkit, we also clean up some unused duplicate strings from application/basilisk while we're there.

This resolves #581

3 files changed, 7 insertions, 17 deletions

diff --git a/application/basilisk/components/downloads/DownloadsCommon.jsm b/application/basilisk/components/downloads/DownloadsCommon.jsm
index 90f14f2d8..69d79dbb5 100644
--- a/application/basilisk/components/downloads/DownloadsCommon.jsm
+++ b/application/basilisk/components/downloads/DownloadsCommon.jsm
@@ -86,8 +86,7 @@ const kDownloadsStringsRequiringFormatting = {
   shortTimeLeftHours: true,
   shortTimeLeftDays: true,
   statusSeparator: true,
-  statusSeparatorBeforeNumber: true,
-  fileExecutableSecurityWarning: true
+  statusSeparatorBeforeNumber: true
 };
 
 const kDownloadsStringsRequiringPluralForm = {
diff --git a/application/basilisk/locales/en-US/chrome/browser/downloads/downloads.properties b/application/basilisk/locales/en-US/chrome/browser/downloads/downloads.properties
index 30885e006..e95b723b5 100644
--- a/application/basilisk/locales/en-US/chrome/browser/downloads/downloads.properties
+++ b/application/basilisk/locales/en-US/chrome/browser/downloads/downloads.properties
@@ -96,10 +96,6 @@ shortTimeLeftDays=%1$Sd
 statusSeparator=%1$S \u2014 %2$S
 statusSeparatorBeforeNumber=%1$S \u2014  %2$S
 
-fileExecutableSecurityWarning=“%S” is an executable file. Executable files may contain viruses or other malicious code that could harm your computer. Use caution when opening this file. Are you sure you want to launch “%S”?
-fileExecutableSecurityWarningTitle=Open Executable File?
-fileExecutableSecurityWarningDontAsk=Don’t ask me this again
-
 # LOCALIZATION NOTE (otherDownloads2):
 # This is displayed in an item at the bottom of the Downloads Panel when
 # there are more downloads than can fit in the list in the panel. Use a
diff --git a/application/palemoon/components/downloads/DownloadsCommon.jsm b/application/palemoon/components/downloads/DownloadsCommon.jsm
index 156578572..bd5d55a73 100644
--- a/application/palemoon/components/downloads/DownloadsCommon.jsm
+++ b/application/palemoon/components/downloads/DownloadsCommon.jsm
@@ -77,7 +77,7 @@ const nsIDM = Ci.nsIDownloadManager;
 const kDownloadsStringBundleUrl =
   "chrome://browser/locale/downloads/downloads.properties";
 
-const kPrefBdmAlertOnExeOpen = "browser.download.manager.alertOnEXEOpen";
+const kPrefConfirmOpenExe = "browser.download.confirmOpenExecutable";
 
 const kDownloadsStringsRequiringFormatting = {
   sizeWithUnits: true,
@@ -530,8 +530,10 @@ this.DownloadsCommon = {
     if (aFile.isExecutable() && !isWindowsExe) {
       let showAlert = true;
       try {
-        showAlert = Services.prefs.getBoolPref(kPrefBdmAlertOnExeOpen);
-      } catch (ex) { }
+        showAlert = Services.prefs.getBoolPref(kPrefConfirmOpenExe);
+      } catch (ex) {
+        // If the preference does not exist, continue with the prompt.
+      }
 
       if (showAlert) {
         let name = aFile.leafName;
@@ -539,18 +541,11 @@ this.DownloadsCommon = {
           DownloadsCommon.strings.fileExecutableSecurityWarning(name, name);
         let title =
           DownloadsCommon.strings.fileExecutableSecurityWarningTitle;
-        let dontAsk =
-          DownloadsCommon.strings.fileExecutableSecurityWarningDontAsk;
 
-        let checkbox = { value: false };
-        let open = Services.prompt.confirmCheck(aOwnerWindow, title, message,
-                                                dontAsk, checkbox);
+        let open = Services.prompt.confirm(aOwnerWindow, title, message);
         if (!open) {
           return;
         }
-
-        Services.prefs.setBoolPref(kPrefBdmAlertOnExeOpen,
-                                   !checkbox.value);
       }
     }