Azure AD B2C SSO OAuth / OpenID Connect Single Sign On into TYPO3 | Azure AD B2C Login

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 Azure Active Directory B2C (Azure B2C) credentials. Integration of Azure B2C Login (Azure Active Directory 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, 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 Azure B2C. Users should be able to log in to Typo3 through Azure B2C by the end of this guide.

Steps to configure Azure AD B2C OAuth & OpenID Single Sign-On (SSO) Login into Typo3

1. Setup Azure AD B2C as OAuth Provider

Follow the steps below to configure Azure AD B2C as OAuth Provider

 Configure Azure AD B2C as OAuth Provider

• Sign in to Azure portal.
• From the Azure services menu, select Azure AD B2C.

• Click the App registrations service in the left-hand navigation panel, then click New registration.

• Enter the Name of the Application. Select Web from the dropdown menu and enter the Redirect URL. (You will get the redirect URL from the OAuth settings tab of the extension). Register your application.

• Your application is given a unique Application ID by Azure AD B2C. Copy Application ID and the Directory ID, this will be your Client ID and Tenant ID respectively.

• From the left navigation column, select Certificates and Secrets and then New Client Secret. Click the ADD button after entering a description and an expiration time.

• Copy the obtained value of the generated client secret. This will be your Secret key.

• Navigate to Azure AD B2C. Choose User flows. and select New user flow from the drop-down menu.

• Name the user flow. Choose Email Signup and click the Create button.

• Click on your created user flow

• Replace the policy name you just created in the appropriate endpoints.

You've successfully configured Azure AD (Active Directory) B2C as an OAuth Provider for Typo3 user integration using Azure AD Single Sign-On (SSO).

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://{tenant-name}.b2clogin.com/{tenant-name}.onmicrosoft.com/{policy-name}/oauth2/v2.0/authorize
  Access Token Endpoint:	https://{tenant-name}.b2clogin.com/{tenant-name}.onmicrosoft.com/{policy-name}/oauth2/v2.0/token
  Get User Info Endpoint:	https://graph.microsoft.com/v1.0/me

• 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 Azure AD B2C as an OAuth Provider and Typo3 as an OAuth Client using our Typo3 OAuth Client extension, you have successfully installed Typo3 Azure AD B2C Single Sign-On (SSO). Within minutes, you'll be able to provide safe access to your Typo3 site utilising Azure AD B2C login credentials thanks to this solution.

Additional Resources

• What is Single Sign-On (SSO) Login?
• Azure AD SSO | Azure Single Sign-On (SSO) Login
• Configure Azure AD as Identity Provider (IdP) for SSO Login
• Azure AD - What is Azure Active Directory?
• Typo3 OAuth and OpenID Single Sign On (SSO) Extension.
• Typo3 SAML Single Sign On (SSO) Extension.

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