AWSCognitoSampleDeveloperAuthenticationSample

Overview

This sample application demonstrates the developer-authenticated functionality of Amazon Cognito. Use this sample in conjunction with the CognitoSyncDemo sample for iOS or Android.

Prerequisites for use

Create an AWS Account
Install the AWS Mobile SDK
Download one of the CognitoSyncDemo samples for iOS or Android
Read about developer-authenticated identities in the Amazon Cognito Developer Guide

Additional recommendations

None.

Overview of sample setup process

Set up an identity pool that supports developer-authenticated identities.
Do one of the following:
- Option 1: Do a Quick Start Deployment using the sample using Amazon CloudFormation.
- Option 2: Build the sample yourself and deploy using Amazon Elastic Beanstalk.

Additional resources

Read the Amazon Cognito Developer Guide
Read the Identity API Reference
Ask us questions on the Amazon Cognito Forums or open an issue on Github

Set up an identity pool

I already have an identity pool set up that supports developer-authenticated identities.

Do one of the following:

Option 1: Do a Quick Start Deployment using the sample using Amazon CloudFormation.
Option 2: Build the sample yourself and deploy using Amazon Elastic Beanstalk.

I have an identity pool set up but I am unsure if it supports developer-authenticated identities.

Go to the Amazon Cognito console, and then click the identity pool that you want to use.
Click Edit Identity Pool.
On the next screen, expand Authentication providers, and then click the Custom tab. Enter a DeveloperProviderName that you want to use for your application (e.g. login.myapp), if one does not exist.
Click Save Changes.
Use the identity pool id provided by the sample code in your application. Instructions on how to use the identity pool id in your desired sample app can be found in the ReadMe instructions for that sample.

I do not have an identity pool.

Go to the Amazon Cognito console, and then click New Identity Pool.
On the next screen: a. Provide a valid identity pool name. b. In the Developer Authenticated Identities section, provide a DeveloperProviderName that you want to use for your application (e.g. login.myapp). c. Click Create Pool.
On the next page, click Update Roles. This allows Cognito to create roles on your behalf for the identity pool.
Use the identity pool id provided by the sample code in your application. Instructions on how to use the identity pool id in your desired sample app can be found in the ReadMe instructions for that sample.

When finished setting up an identity pool, proceed to Option 1 or Option 2 below.

Option 1: Quick start deployment using Amazon CloudFormation

Go to the Cloud Formation console, and then click Create Stack.
Provide a stack name (e.g. myTestStack).

Select "Specify an Amazon S3 template URL" and enter either of the following URL as a template based on the choice of the region, and then click Next.

 US EAST (N. Virginia) : https://s3.amazonaws.com/amazon-cognito-samples-us-east-1/AWSCognitoDeveloperAuthenticationSampleCFN.json
 
 EU (Ireland) : https://s3.amazonaws.com/amazon-cognito-samples-eu-west-1/AWSCognitoDeveloperAuthenticationSampleCFN.json
 
 Asia Pacific (Tokyo) : https://s3.amazonaws.com/amazon-cognito-samples-ap-northeast-1/AWSCognitoDeveloperAuthenticationSampleCFN.json

Enter the DeveloperProviderName and IdentityPoolId associated with the identity pool you want to use, and then click Next.
On the Options page, click Next.
On the Review page, review the details and select the checkbox acknowledging that your template has capabilities to create AWS IAM resources. When finished, click Create. It may take several minutes for the stack to finish creating resources.

Once the stack is created, the console will display the ApplicationURL in the output tab. You will use this URL in your Android or iOS sample. This allows your app to communicate with the server application. You can now register users using any web browser using the following URL:
```
 YourApplicationURL/jsp/register.jsp
```

Option 2: Build and deploy the server application yourself using Amazon Elastic Beanstalk

Build the AWSCognitoSampleDeveloperAuthenticationSample to get the war file by running mvn clean install in the root directory. You will need Apache Maven installed on your system to run this command. The .war file is generated in the /target directory.
Go to the Elastic Beanstalk console, and then click Create New Application.
Enter an application name, and then click Next.
Click Create web server. The Permissions window appears.
Choose the default profile ("aws-elasticbeanstalk-ec2-role"), and then click Next.
For Predefined Configuration, choose Tomcat. For Environment type, choose Single instance. Click Next.
For the source, choose the Upload your own option and upload the CognitoDevAuthSample.war file you generated in Step 1. Click Next.
On the Environment Information page, enter an environment name, URL, and description, and then click Next.
On the Additional Resources page, no additional resources are required to configure this sample. Click Next.
On the Configuration Details page, leave the default configuration, and then click Next.
On the Environment Tags page, leave the tags blank. This sample does not require any environment tags. Click Next.
On the Review page, review the details, and then click Launch. The console will begin creating an environment. This process will take several minutes.
Click Configuration , and then click the settings icon to open Software Configuration.
Under Environment properties , add the following parameters in the custom input field at the bottom of the Property Name column: a. Add a parameter named IDENTITY_POOL_ID, with the value of identity pool id which you have configured using the Amazon Cognito Console. b. Add a parameter named DEVELOPER_PROVIDER_NAME, with the developer provider name which you used while creating this identity pool in the Amazon Cognito Console c. Optionally add a parameter named REGION with the region to use. Cognito is available in us-east-1 and eu-west-1. d. When finished, click Save.
Go to the Identity & Access Management console.
Click Roles.
Select the entry for "aws-elasticbeanstalk-ec2-role."
Click Attach" Policy.
Choose "AmazonCognitoDeveloperAuthenticatedIdentities," and then click Attach Policy.
Register users using any web browser using ElasticBeanStalkApplicationURL/jsp/register.jsp. This URL is listed at the top of the Elastic Beanstalk console homepage and ends in ".elasticbeanstalk.com."

You are now set up to run the sample server application. You can configure the CognitoSyncDemo sample application for iOS or Android to authenticate registered users using this application.

License

takamatsu/amazon-cognito-developer-authentication-sample

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