Typo3 OAuth 2.0 Authentication and Authorization Single Sign-On (SSO) extension allows your Frontend & Backend (Admin & Customer) users to seamlessly login into Typo3 site using AWS Cognito credentials. Integration of AWS Cognito Login (AWS Cognito OAuth Single Sign-On) with Typo3 using OAuth 2.0 Protocol.

The Typo3 OAuth & OpenID Connect Single Sign-On (SSO) extension makes it possible to log into Typo3 securely using any OAuth and OpenID Connect provider such as Azure AD, Azure B2C, Okta, Keycloak, Salesforce etc. Advanced Single Sign-On (SSO) features such as user profile Attribute Mapping, Role Mapping, and so on are also supported in this extension. Click here to read more about the Typo3 OAuth Single Sign-On (OAuth & OpenID Connect Client) extensions's premium features.

In this guide, We'll go over how to set up SSO between Typo3 and AWS Cognito. Users should be able to log in to Typo3 through AWS Cognito by the end of this guide.

Steps to configure AWS Cognito OAuth & OpenID Single Sign-On (SSO) Login into Typo3

1. Setup AWS Cognito as OAuth Provider

Follow the steps below to configure AWS Cognito as OAuth Provider

 Configure AWS Cognito as OAuth Provider

• Go to Amazon Console and sign up/login in your account to Configure AWS Cognito.

• Search for Cognito in the AWS Services search bar.

• To see the list of your user pools click on Manage User Pools button.

• To make a new user pool, click Create a user pool.

• Give a Pool Name and click on the Review Defaults button to continue.

• Scroll down and click on “Add app client” & then again click on Add an app client.

• To create an App client, type a name for it and then click Create app client.

• To return to your setup, click Return to Pool Details.

• To save your settings and establish a user pool, click the Create Pool button.

• In the navigation bar present on the left side, click on the App Client Settings option under the App Integration menu.

• Under the CallBack URLs text-field, enable Identity provider as Cognito user pool and add your Callback/Redirect URL obtained from the miniOrange plugin from the OAuth Provider tab. Under the Allowed OAuth Flows option, choose the Authorization code grant checkbox, as well as the openid and profile checkboxes under the Allowed OAuth Scopes option (Please refer to the image below). To save your changes, click the Save Changes button.

• To choose a domain name for your app, go to the Choose Domain Name option.

• Go to domain name and enter a domain name for your app. After adding domain name you can check its availability by clicking on “Check availability” button. After entering valid domain name click ”Save changes” button.

• Go to “App client” and click on “Show details” to get a client ID and client secret. (Keep client ID and client secret handy as you will need it later.)

• In the left side navigation bar, select Users and Groups from the General Settings menu. Then, to create a new user, click the Create user button.

• Fill all the required details and click on Create user.

• You can see the new user created.

You have successfully configured AWS Cognito as OAuth Provider for for achieving AWS Cognito Single Sign-On (SSO) with Typo3 for user authentication.

2. Configuring Typo3 as OAuth Client

• After successfully configuring OAuth Provider, enter the OAuth Provider Name, Client ID, Client Secret, Scope and provided endpoints.
  
  

  Please refer below Endpoints to configure the OAuth client

  
  

  Scope:	openid
  Authorize Endpoint:	https://<cognito-app-domain>/oauth2/authorize
  Access Token Endpoint:	https://<cognito-app-domain>/oauth2/token
  Get User Info Endpoint:	https://<cognito-app-domain>/oauth2/userInfo

• Click on the Save button to save the settings.

• Click on the Test Configuration button.

• You will see all the values returned by your OAuth Provider to Typo3 in a table. If you don't see value for First Name, Last Name, Email or Username, make the required settings in your OAuth Provider to return this information.
• You have successfully configured your Typo3 as an OAuth Client. Now you can create your custom SSO button in your Typo3 Frontend site and embed the FEOIDC page URL to it to initiate the SSO.

3: Attribute Mapping (Optional). *This is Premium feature.

• You can map attributes in the Attribute Mapping tab. Only username and email are allowed to be mapped in free version of the extension. However, in the premium version of the extension, you can map various attributes coming from your OAuth Provider to the attributes present in your Typo3 site.

4: Group Mapping (Optional). *This is Premium feature.

• You can specify a default role in the free extension that will be allocated to all non-admin users when they conduct SSO.
• Go to Group mapping tab and navigate to Group Mapping section.
• Select the Default Role and click on the Save button.

By configuring AWS Cognito as an OAuth Provider and Typo3 as an OAuth Client using our Typo3 OAuth Client extension, you have successfully installed Typo3 AWS Cognito Single Sign-On (SSO). Within minutes, you'll be able to provide safe access to your Typo3 site utilising AWS Cognito login credentials thanks to this solution.

Additional Resources

• What is Single Sign-On (SSO) Login?
• What is OAuth 2.0?
• How OAuth works?
• Typo3 OAuth and OpenID Single Sign On (SSO) Plugin.
• Typo3 SAML Single Sign On (SSO) Plugin.

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