add support for Storage::Rackspace::File#access_control_allow_origin and #origin

Support Access-Control-Allow-Origin and Origin headers, borrowed
testing ideas from pull request #1251

lib/fog/rackspace/models/storage/file.rb

@@ -12,6 +12,8 @@ module Fog
         attribute :content_type,    :aliases => ['content_type', 'Content-Type']
         attribute :etag,            :aliases => ['hash', 'Etag']
         attribute :last_modified,   :aliases => ['last_modified', 'Last-Modified'], :type => :time
+        attribute :access_control_allow_origin, :aliases => ['Access-Control-Allow-Origin']
+        attribute :origin,          :aliases => ['Origin']
 
         def body
           attributes[:body] ||= if last_modified
@@ -32,6 +34,8 @@ module Fog
         def copy(target_directory_key, target_file_key, options={})
           requires :directory, :key
           options['Content-Type'] ||= content_type if content_type
+          options['Access-Control-Allow-Origin'] ||= access_control_allow_origin if access_control_allow_origin
+          options['Origin'] ||= origin if origin
           connection.copy_object(directory.key, key, target_directory_key, target_file_key, options)
           target_directory = connection.directories.new(:key => target_directory_key)
           target_directory.files.get(target_file_key)
@@ -64,6 +68,8 @@ module Fog
         def save(options = {})
           requires :body, :directory, :key
           options['Content-Type'] = content_type if content_type
+          options['Access-Control-Allow-Origin'] ||= access_control_allow_origin if access_control_allow_origin
+          options['Origin'] ||= origin if origin
           data = connection.put_object(directory.key, key, body, options)
           merge_attributes(data.headers.reject {|key, value| ['Content-Length', 'Content-Type'].include?(key)})
           self.content_length = Fog::Storage.get_body_size(body)

tests/rackspace/models/storage/file_tests.rb

@@ -0,0 +1,73 @@
+Shindo.tests('Fog::Rackspace::Storage | file', ['rackspace']) do
+
+  file_attributes = {
+    :key => 'fog_file_tests',
+    :body => lorem_file
+  }
+
+  directory_attributes = {
+    # Add a random suffix to prevent collision
+    :key => "fogfilestests-#{rand(65536)}"
+  }
+
+  @directory = Fog::Storage[:rackspace].
+    directories.
+    create(directory_attributes)
+
+  model_tests(@directory.files, file_attributes, Fog.mocking?) do
+
+    tests("#access_control_allow_origin") do
+
+      tests("#access_control_allow_origin should default to nil").returns(nil) do
+        @instance.access_control_allow_origin
+      end
+
+      @instance.access_control_allow_origin = 'http://example.com'
+      tests("#access_control_allow_origin should return access control attribute").returns('http://example.com') do
+        @instance.access_control_allow_origin
+      end
+
+      @instance.access_control_allow_origin = 'foo'
+      tests("#access_control_allow_origin= should update access_control_allow_origin").returns('bar') do
+        @instance.access_control_allow_origin = 'bar'
+        @instance.access_control_allow_origin
+      end
+
+      tests("#access_control_allow_origin= should not blow up on nil") do
+        @instance.access_control_allow_origin = nil
+      end
+
+    end
+
+  end
+
+
+  model_tests(@directory.files, file_attributes, Fog.mocking?) do
+
+    tests("#origin") do
+
+      tests("#origin should default to nil").returns(nil) do
+        @instance.origin
+      end
+
+      @instance.origin = 'http://example.com'
+      tests("#origin should return access control attributes").returns('http://example.com') do
+        @instance.origin
+      end
+      @instance.attributes.delete('Origin')
+
+      @instance.attributes['Origin'] = 'foo'
+      tests("#origin= should update origin").returns('bar') do
+        @instance.origin = 'bar'
+        @instance.origin
+      end
+
+      tests("#origin= should not blow up on nil") do
+        @instance.origin = nil
+      end
+
+    end
+
+  end
+  @directory.destroy
+end