1 files changed, 55 insertions, 0 deletions
diff --git a/lib/chef/mixin/user_context.rb b/lib/chef/mixin/user_context.rb
new file mode 100644
index 0000000000..d40d233f35
--- /dev/null
+++ b/lib/chef/mixin/user_context.rb
@@ -0,0 +1,55 @@
+#
+# Author:: Adam Edwards (<adamed@chef.io>)
+# Copyright:: Copyright (c) Chef Software Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require_relative "../util/windows/logon_session" if ChefUtils.windows?
+
+class Chef
+  module Mixin
+    module UserContext
+
+      # valid values for authentication => :remote, :local
+      # When authentication = :local, we use the credentials to create a logon session against the local system, and then try to access the files.
+      # When authentication = :remote, we continue with the current user but pass the provided credentials to the remote system.
+      def with_user_context(user, password, domain = nil, authentication = :remote, &block)
+        unless ChefUtils.windows?
+          raise Exceptions::UnsupportedPlatform, "User context impersonation is supported only on the Windows platform"
+        end
+
+        unless block_given?
+          raise ArgumentError, "You must supply a block to `with_user_context`"
+        end
+
+        logon_session = nil
+
+        begin
+          if user
+            logon_session = Chef::Util::Windows::LogonSession.new(user, password, domain, authentication)
+            logon_session.open
+            logon_session.set_user_context
+          end
+          yield
+        ensure
+          logon_session.close if logon_session
+        end
+      end
+
+      protected(:with_user_context)
+
+    end
+  end
+end