credentials sent via http basic auth

.gitignore

@@ -1 +1,2 @@
 rdoc
+pkg

lib/rest_client.rb

@@ -31,7 +31,7 @@ module RestClient
 
 	# Internal class used to build and execute the request.
 	class Request
-		attr_reader :method, :url, :payload, :headers
+		attr_reader :method, :url, :payload, :headers, :user, :password
 
 		def self.execute(args)
 			new(args).execute
@@ -42,6 +42,8 @@ module RestClient
 			@url = args[:url] or raise ArgumentError, "must pass :url"
 			@payload = args[:payload]
 			@headers = args[:headers] || {}
+			@user = args[:user]
+			@password = args[:password]
 		end
 
 		def execute
@@ -84,11 +86,17 @@ module RestClient
 		class Unauthorized < Exception; end
 
 		def transmit(uri, req, payload)
+			setup_credentials(req)
+
 			Net::HTTP.start(uri.host, uri.port) do |http|
 				process_result http.request(req, payload || "")
 			end
 		end
 
+		def setup_credentials(req)
+			req.basic_auth(user, password) if user
+		end
+
 		def process_result(res)
 			if %w(200 201 202).include? res.code
 				res.body

spec/rest_client_spec.rb

@@ -98,6 +98,34 @@ describe RestClient do
 			@request.transmit(@uri, 'req', nil)
 		end
 
+		it "sets up the credentials prior to the request" do
+			http = mock("net::http connection")
+			Net::HTTP.should_receive(:start).and_yield(http)
+			http.stub!(:request)
+			@request.stub!(:process_result)
+
+			@request.stub!(:user).and_return('joe')
+			@request.stub!(:password).and_return('mypass')
+			@request.should_receive(:setup_credentials).with('req')
+
+			@request.transmit(@uri, 'req', nil)
+		end
+
+		it "does not attempt to send any credentials if user is nil" do
+			@request.stub!(:user).and_return(nil)
+			req = mock("request")
+			req.should_not_receive(:basic_auth)
+			@request.setup_credentials(req)
+		end
+
+		it "does not attempt to send any credentials if user is nil" do
+			@request.stub!(:user).and_return('joe')
+			@request.stub!(:password).and_return('mypass')
+			req = mock("request")
+			req.should_receive(:basic_auth).with('joe', 'mypass')
+			@request.setup_credentials(req)
+		end
+
 		it "execute calls execute_inner" do
 			@request.should_receive(:execute_inner)
 			@request.execute