From 877167cf267f75ac68f1a18091f7e9a00bd94303 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Fri, 20 Apr 2018 15:59:23 +0200
Subject: Re-implement pref-able file zone information ("Mark of the Web")

See also:
https://github.com/MoonchildProductions/Pale-Moon/issues/593
https://github.com/MoonchildProductions/Pale-Moon/pull/599
---
 .../jsdownloads/src/DownloadIntegration.jsm        | 32 ++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'toolkit/components/jsdownloads')

diff --git a/toolkit/components/jsdownloads/src/DownloadIntegration.jsm b/toolkit/components/jsdownloads/src/DownloadIntegration.jsm
index 1c30599f5..38b89ae8e 100644
--- a/toolkit/components/jsdownloads/src/DownloadIntegration.jsm
+++ b/toolkit/components/jsdownloads/src/DownloadIntegration.jsm
@@ -530,6 +530,37 @@ this.DownloadIntegration = {
    * @return true if files should be marked
    */
   _shouldSaveZoneInformation() {
+#ifdef MC_PALEMOON
+    let zonePref = 2;
+    try {
+      zonePref = Services.prefs.getIntPref("browser.download.saveZoneInformation");
+    } catch (ex) {}
+    
+    switch (zonePref) {
+      case 0: // Never
+              return false;
+      case 1: // Always
+              return true;
+      case 2: // System-defined
+              let key = Cc["@mozilla.org/windows-registry-key;1"]
+                       .createInstance(Ci.nsIWindowsRegKey);
+              try {
+                key.open(Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER,
+                         "Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Attachments",
+                         Ci.nsIWindowsRegKey.ACCESS_QUERY_VALUE);
+                try {
+                  return key.readIntValue("SaveZoneInformation") != 1;
+                } finally {
+                  key.close();
+                }
+              } catch (ex) {
+                // If the key is not present, files should be marked by default.
+                return true;
+              }
+      default: // Invalid pref value defaults marking files.
+               return true;
+    }
+#else
     let key = Cc["@mozilla.org/windows-registry-key;1"]
                 .createInstance(Ci.nsIWindowsRegKey);
     try {
@@ -545,6 +576,7 @@ this.DownloadIntegration = {
       // If the key is not present, files should be marked by default.
       return true;
     }
+#endif
   },
 #endif
 
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