1 files changed, 57 insertions, 0 deletions
diff --git a/lib/chef/rest/auth_credentials.rb b/lib/chef/rest/auth_credentials.rb
new file mode 100644
index 0000000000..00711c960d
--- /dev/null
+++ b/lib/chef/rest/auth_credentials.rb
@@ -0,0 +1,57 @@
+#
+# Author:: Adam Jacob (<adam@opscode.com>)
+# Author:: Thom May (<thom@clearairturbulence.org>)
+# Author:: Nuo Yan (<nuo@opscode.com>)
+# Author:: Christopher Brown (<cb@opscode.com>)
+# Author:: Christopher Walters (<cw@opscode.com>)
+# Author:: Daniel DeLeo (<dan@opscode.com>)
+# Copyright:: Copyright (c) 2009, 2010 Opscode, 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 'chef/log'
+require 'mixlib/authentication/signedheaderauth'
+
+class Chef
+  class REST
+    class AuthCredentials
+      attr_reader :client_name, :key
+
+      def initialize(client_name=nil, key=nil)
+        @client_name, @key = client_name, key
+      end
+
+      def sign_requests?
+        !!key
+      end
+
+      def signature_headers(request_params={})
+        raise ArgumentError, "Cannot sign the request without a client name, check that :node_name is assigned" if client_name.nil?
+        Chef::Log.debug("Signing the request as #{client_name}")
+
+        # params_in = {:http_method => :GET, :path => "/clients", :body => "", :host => "localhost"}
+        request_params                 = request_params.dup
+        request_params[:timestamp]     = Time.now.utc.iso8601
+        request_params[:user_id]       = client_name
+        request_params[:proto_version] = Chef::Config[:authentication_protocol_version]
+        host = request_params.delete(:host) || "localhost"
+
+        sign_obj = Mixlib::Authentication::SignedHeaderAuth.signing_object(request_params)
+        signed =  sign_obj.sign(key).merge({:host => host})
+        signed.inject({}){|memo, kv| memo["#{kv[0].to_s.upcase}"] = kv[1];memo}
+      end
+
+    end
+  end
+end