Merge pull request #224 from twilio/prv-grant

Add programmable voice grant

lib/twilio-ruby/util/access_token.rb

@@ -26,7 +26,6 @@ def to_jwt(algorithm='HS256')
         now = Time.now.to_i - 1
         headers = {
             'cty' => 'twilio-fpa;v=1',
-            'typ' => 'JWT'
         }
 
         grants = {}
@@ -101,6 +100,41 @@ def payload
 
       end
 
+      class VoiceGrant
+        attr_accessor :outgoing_application_sid,
+                      :outgoing_application_params,
+                      :push_credential_sid,
+                      :endpoint_id
+
+        def key
+          'voice'
+        end
+
+        def payload
+          payload = {}
+
+          if outgoing_application_sid
+            outgoing = {}
+            outgoing[:application_sid] = outgoing_application_sid
+            if outgoing_application_params
+              outgoing[:params] = outgoing_application_params
+            end
+
+            payload[:outgoing] = outgoing
+          end
+
+          if push_credential_sid
+            payload[:push_credential_sid] = push_credential_sid
+          end
+
+          if endpoint_id
+            payload[:endpoint_id] = endpoint_id
+          end
+
+          payload
+        end
+      end
+
     end
   end
 end

spec/util/access_token_spec.rb

@@ -111,4 +111,29 @@
     expect(payload['grants']['ip_messaging']).not_to be_nil
   end
 
+  it 'should add programmable voice grant' do
+    scat = Twilio::Util::AccessToken.new 'AC123', 'SK123','secret'
+    pvg = Twilio::Util::AccessToken::VoiceGrant.new
+    pvg.outgoing_application_sid = 'AP123'
+    pvg.outgoing_application_params = { :foo => 'bar' }
+
+    scat.add_grant(pvg)
+
+    token = scat.to_s
+    expect(token).not_to be_nil
+    payload, header = JWT.decode token, 'secret'
+
+    expect(payload['iss']).to eq('SK123')
+    expect(payload['sub']).to eq('AC123')
+    expect(payload['exp']).not_to be_nil
+    expect(payload['exp']).to be >= Time.now.to_i
+    expect(payload['jti']).not_to be_nil
+    expect(payload['jti']).to start_with payload['iss']
+    expect(payload['grants']).not_to be_nil
+    expect(payload['grants'].count).to eq(1)
+    expect(payload['grants']['voice']).not_to be_nil
+    expect(payload['grants']['voice']['outgoing']['application_sid']).to eq('AP123')
+    expect(payload['grants']['voice']['outgoing']['params']['foo']).to eq('bar')
+  end
+
 end