Client information headers

lib/auth0/mixins/initializer.rb

@@ -12,7 +12,9 @@ def initialize(config)
         domain = api_domain options
         raise InvalidApiNamespace, "Api namespace must supply an API domain" if domain.nil?
         self.class.base_uri "https://#{domain}"
-        self.class.headers "Content-Type"  => 'application/json'
+
+        self.class.headers client_headers
+
         self.extend Auth0::Api::AuthenticationEndpoints
         @client_id      = options[:client_id]
         initialize_v2(options) if api_v2?(options)
@@ -28,6 +30,14 @@ def self.included(klass)
 
       private
 
+      def client_headers
+        {
+          'Content-Type' => 'application/json',
+          'User-Agent' => "Ruby/#{RUBY_VERSION}",
+          'X-Auth0-Client' => "Ruby/#{Auth0::VERSION}"
+        }
+      end
+
       def api_domain(options)
         options[:domain] || options[:namespace]
       end

spec/integration/lib/auth0/auth0_client_spec.rb

@@ -42,4 +42,28 @@
     let(:credentials) { v2_credentials.merge({access_token: ENV["MASTER_JWT"]}) }
   end
 
+  context "client headers" do
+    let(:client) { Auth0::Client.new(v2_credentials.merge({access_token: 'abc123', domain: 'myhost.auth0.com'})) }
+    let(:headers) { client.class.headers }
+
+    it "has the correct headers present" do
+      headers.keys.sort.should eql ['Authorization', 'Content-Type', 'User-Agent', 'X-Auth0-Client']
+    end
+
+    it "uses the correct access token" do
+      headers['Authorization'].should eql "Bearer abc123"
+    end
+
+    it "is always json" do
+      headers['Content-Type'] = 'application/json'
+    end
+
+    it "sets the ruby version" do
+      headers['User-Agent'].should eql "Ruby/#{RUBY_VERSION}"
+    end
+
+    it "sets the client version" do
+      headers['X-Auth0-Client'].should eql "Ruby/#{Auth0::VERSION}"
+    end
+  end
 end