Feat: Added DatafileAccessToken in ClientConfigHandler to read from App.config (#237)

Author: mnoman09

OptimizelySDK.Tests/App.config

@@ -17,6 +17,7 @@
                        format="https://cdn.optimizely.com/data/{0}.json" 
                        pollingInterval="2000" 
                        blockingTimeOutPeriod="10000" 
+                       datafileAccessToken="testingtoken123"
                        autoUpdate="true" 
                        defaultStart="true">
     </HttpProjectConfig>

OptimizelySDK.Tests/ClientConfigHandlerTest.cs

@@ -1,5 +1,5 @@
 /* 
- * Copyright 2019, Optimizely
+ * Copyright 2019-2020, Optimizely
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -38,6 +38,7 @@ public void TestHTTPAppConfigSection()
             Assert.AreEqual(httpSetting.PollingInterval, 2000);
             Assert.AreEqual(httpSetting.SDKKey, "43214321");
             Assert.AreEqual(httpSetting.Url, "www.testurl.com");
+            Assert.AreEqual(httpSetting.DatafileAccessToken, "testingtoken123");
         }
 
         [Test]

OptimizelySDK.Tests/OptimizelyFactoryTest.cs

@@ -53,6 +53,7 @@ public void TestOptimizelyInstanceUsingConfigFile()
                 Url = "www.testurl.com",
                 LastModified = "",
                 AutoUpdate = true,
+                DatafileAccessToken = "testingtoken123",
                 BlockingTimeout = TimeSpan.FromSeconds(10),
                 PollingInterval = TimeSpan.FromSeconds(2)
             };

OptimizelySDK/ClientConfigHandler.cs

@@ -1,5 +1,5 @@
 /* 
- * Copyright 2019, Optimizely
+ * Copyright 2019-2020, Optimizely
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -61,6 +61,12 @@ public bool DefaultStart
         {
             get { return (bool)base["defaultStart"]; }
         }
+
+        [ConfigurationProperty("datafileAccessToken")]
+        public string DatafileAccessToken
+        {
+            get { return (string)base["datafileAccessToken"]; }
+        }
     }
 
     public class BatchEventProcessorElement : ConfigurationElement

OptimizelySDK/OptimizelyFactory.cs

@@ -1,5 +1,5 @@
 /* 
- * Copyright 2019, Optimizely
+ * Copyright 2019-2020, Optimizely
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use file except in compliance with the License.
@@ -83,6 +83,7 @@ public static Optimizely NewDefaultInstance()
                 .WithFormat(httpProjectConfigElement.Format)
                 .WithPollingInterval(TimeSpan.FromMilliseconds(httpProjectConfigElement.PollingInterval))
                 .WithBlockingTimeoutPeriod(TimeSpan.FromMilliseconds(httpProjectConfigElement.BlockingTimeOutPeriod))
+                .WithAccessToken(httpProjectConfigElement.DatafileAccessToken)
                 .WithLogger(logger)
                 .WithErrorHandler(errorHandler)
                 .WithNotificationCenter(notificationCenter)

README.md

@@ -110,6 +110,7 @@ User can provide variables using following procedure:
                        format="https://cdn.optimizely.com/data/{0}.json" 
                        pollingInterval="2000" 
                        blockingTimeOutPeriod="10000" 
+                       datafileAccessToken="testingtoken123"
                        autoUpdate="true" 
                        defaultStart="true">
     </HttpProjectConfig>
@@ -205,6 +206,10 @@ This option enables user to provide a custom URL format to fetch the datafile.
 
 This option is used to specify whether to start the config manager on initialization or not. If no value is provided, by default it is true and will start polling datafile from remote immediately.
 
+##### Datafile access token
+
+This option is used to provide token for datafile belonging to a secure environment.
+
 ## Development
 
 ### Unit tests