# HG changeset patch
# User Aidin Gharibnavaz <aidin@aidinhut.com>
# Date 1450550460 -12600
# Node ID 07ec362866977f37e638fc88e3079621fd7aef96
# Parent  cb66ffeb6725e8344818e8e2f707ae2eaeb953b4
Bug 1233434 - Fixing download failure on a multi-user GNU/Linux machine. r?bagder

diff -r cb66ffeb6725 -r 07ec36286697 uriloader/exthandler/nsExternalHelperAppService.cpp
--- a/uriloader/exthandler/nsExternalHelperAppService.cpp	Tue Dec 15 14:45:06 2015 +0100
+++ b/uriloader/exthandler/nsExternalHelperAppService.cpp	Sat Dec 19 22:11:00 2015 +0330
@@ -416,12 +416,12 @@
     const char* userName = PR_GetEnv("USERNAME");
     if (!userName || !*userName) {
       userName = PR_GetEnv("USER");
-      if (!userName || !*userName) {
-        userName = PR_GetEnv("LOGNAME");
-      }
-      else {
-        userName = "mozillaUser";
-      }
+    }
+    if (!userName || !*userName) {
+      userName = PR_GetEnv("LOGNAME");
+    }
+    if (!userName || !*userName) {
+      userName = "mozillaUser";
     }
 
     nsAutoString userDir;
@@ -447,7 +447,12 @@
         rv = finalPath->GetPermissions(&permissions);
         NS_ENSURE_SUCCESS(rv, rv);
 
-        if (permissions == PR_IRWXU) {
+        // Ensuring the path is writable by the current user.
+        bool isWritable;
+        rv = finalPath->IsWritable(&isWritable);
+        NS_ENSURE_SUCCESS(rv, rv);
+
+        if (permissions == PR_IRWXU && isWritable) {
           dir = finalPath;
           break;
         }