Add writable? to FileAccessControl

2 files changed, 22 insertions, 0 deletions

diff --git a/lib/chef/file_access_control/unix.rb b/lib/chef/file_access_control/unix.rb
index a5d177d47d..81ca6fe281 100644
--- a/lib/chef/file_access_control/unix.rb
+++ b/lib/chef/file_access_control/unix.rb
@@ -26,6 +26,16 @@ class Chef
       UINT = (1 << 32)
       UID_MAX = (1 << 32) - 10
 
+      module ClassMethods
+        def writable?(path)
+          ::File.writable?(path)
+        end
+      end
+
+      def self.included(base)
+        base.send :extend, ClassMethods
+      end
+
       def set_all!
         set_owner!
         set_group!
diff --git a/lib/chef/file_access_control/windows.rb b/lib/chef/file_access_control/windows.rb
index 32ac2996bd..2f0e2c709a 100644
--- a/lib/chef/file_access_control/windows.rb
+++ b/lib/chef/file_access_control/windows.rb
@@ -18,6 +18,7 @@
 #
 
 require 'chef/win32/security'
+require 'chef/win32/file'
 
 class Chef
   class FileAccessControl
@@ -29,6 +30,17 @@ class Chef
       ACE = Security::ACE
       SID = Security::SID
 
+      module ClassMethods
+        def writable?(path)
+          ::File.exists?(path) && Chef::ReservedNames::Win32::File.file_access_check(
+            path, Chef::ReservedNames::Win32::API::Security::FILE_GENERIC_WRITE)
+        end
+      end
+
+      def self.included(base)
+        base.send :extend, ClassMethods
+      end
+
       def set_all!
         set_owner!
         set_group!