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For our new friends:

Logto is an Auth0 alternative designed for modern apps and SaaS products. It offers both Cloud and Open-source services to help you quickly launch your identity and management (IAM) system. Enjoy authentication, authorization, and multi-tenant management all in one.

We recommend starting with a free development tenant on Logto Cloud. This allows you to explore all the features easily.

In this article, we will go through the steps to quickly build the Microsoft Entra ID OIDC enterprise SSO sign-in experience (user authentication) with WordPress plugin and Logto.

Prerequisites

  • A running Logto instance. Check out the introduction page to get started.
  • Basic knowledge of WordPress plugin.
  • A usable Microsoft Entra ID OIDC enterprise SSO account.

Create an application in Logto​

Logto is based on OpenID Connect (OIDC) authentication and OAuth 2.0 authorization. It supports federated identity management across multiple applications, commonly called Single Sign-On (SSO).

To create your Traditional web application, simply follow these steps:

  1. Open the Logto Console. In the "Get started" section, click the "View all" link to open the application frameworks list. Alternatively, you can navigate to Logto Console > Applications, and click the "Create application" button. Get started
  2. In the opening modal, click the "Traditional web" section or filter all the available "Traditional web" frameworks using the quick filter checkboxes on the left. Click the "WordPress" framework card to start creating your application. Frameworks
  3. Enter the application name, e.g., "Bookstore," and click "Create application".

🎉 Ta-da! You just created your first application in Logto. You'll see a congrats page which includes a detailed integration guide. Follow the guide to see what the experience will be in your application.

Integrate WordPress with Logto​

Install the plugin​

info:

At the moment, our plugin is still under review and not available in the WordPress plugin directory. We'll update this page once it's available.

  1. Download the Logto WordPress plugin from one of the following links:
    • Latest release: Download the file which name in the format of logto-plugin-<version>.zip.
  2. Download the plugin ZIP file.
  3. Go to Plugins > Add New in your WordPress admin panel.
  4. Click Upload Plugin.
  5. Select the downloaded ZIP file and click Install Now.
  6. Click Activate.

Configure the plugin​

Now you should be able to see the Logto menu in your WordPress admin panel sidebar. Click Logto > Settings to configure the plugin.

note:

You should have a traditional web application created in Logto Console before configuring the plugin. If you haven't created one, please refer to Integrate Logto into your application for more information.

The minimum configuration to get started for the plugin is:

  • Logto endpoint: The endpoint of your Logto tenant.
  • App ID: The app ID of your Logto application.
  • App secret: One of the valid app secrets of your Logto application.

All values can be found on the application details page in Logto Console.

After filling in the values, click Save Changes (scroll down to the bottom of the page if you can't find the button).

Configure redirect URI​

The redirect URI is the URL to which Logto will redirect users after they have authenticated; and the post sign-out redirect URI is the URL to which Logto will redirect users after they have logged out.

Here's a non-normative sequence diagram to illustrate the sign-in flow:

Here's how the sign-out flow looks like in a non-normative sequence diagram:

To learn more about why redirect is needed, see Sign-in experience explained.

In our case, we need to configure both redirect URIs in your Logto Console. To find the redirect URI, go to the Logto > Settings page in your WordPress admin panel. You'll see the Redirect URI and Post sign-out redirect URI fields.

  1. Copy the Redirect URI and Post sign-out redirect URI values and paste them into the Redirect URIs and Post sign-out redirect URIs fields in your Logto Console.
  2. Click Save changes in Logto Console.

Checkpoint: Test your WordPress website​

Now you can test your Logto integration in your WordPress website:

  1. Open an incognito browser window if needed.
  2. Visit your WordPress website and click the Log in link if applicable; or directly visit the login page (e.g., https://example.com/wp-login.php).
  3. The page should redirect you to the Logto sign-in page.
  4. Complete the sign-in or sign-up process.
  5. After successful authentication, you should be redirected back to your WordPress website and logged in automatically.
  6. Click the Log out link to log out of your WordPress website.
  7. You should be redirected to the Logto sign-out page, then back to your WordPress website.
  8. You should be logged out of your WordPress website.

To learn more about the WordPress plugin settings, see WordPress quick start.

Add Microsoft Entra ID OIDC enterprise SSO connector​

To simplify access management and gain enterprise-level safeguards for your big clients, connect with WordPress as a federated identity provider. The Logto enterprise SSO connector helps you establish this connection in minutes by allowing several parameter inputs.

To add an enterprise SSO connector, simply follow these steps:

  1. Navigate to Logto console > Enterprise SSO.
SSO page
  1. Click "Add enterprise connector" button and choose your SSO provider type. Choose from prebuilt connectors for Microsoft Entra ID (Azure AD), Google Workspace, and Okta, or create a custom SSO connection using the standard OpenID Connect (OIDC) or SAML protocol.
  2. Provide a unique name (e.g., SSO sign-in for Acme Company).
Select your SSO provider
  1. Configure the connection with your IdP in the "Connection" tab. Check the guides above for each connector types.
SSO connection
  1. Customize the SSO experience and enterprise’s email domain in the "Experience" tab. Users sign in with the SSO-enabled email domain will be redirected to SSO authentication.
SSO experience
  1. Save changes.

Set up Azure AD SSO application​

Step 1: Create an Microsoft EntraID OIDC application​

  1. Go to the Microsoft Entra admin center and sign in as an administrator.

  2. Browse to Identity > Applications > App registrations.

Create Application

  1. Select New registration.

  2. Enter the application name and select the appropriate account type for your application.

  3. Select Web as the application platform.

  4. Copy and paste the redirect URI from Logto's SSO settings page. The redirect URI is the URL where the user is redirected after they have authenticated with Microsoft Entra ID.

Configure Application
  1. Click Register to create the application.

Step 2: Configure Microsoft Entra ID OIDC SSO at Logto​

After successfully creating an Microsoft Entra OIDC application, you will need to provide the IdP configurations back to Logto. Navigate to the Connection tab at Logto Console, and fill in the following configurations:

  1. Client ID: A unique identifier assigned to your OIDC application by the Microsoft Entra. This identifier is used by Logto to identify and authenticate the application during the OIDC flow. You can find it in the application overview page as Application (client) ID.
Application Details
  1. Client Secret: Create a new client secret and copy the value to Logto. This secret is used to authenticate the OIDC application and secure the communication between Logto and the IdP.
Create Secret

  1. Issuer: The issuer URL, a unique identifier for the IdP, specifying the location where the OIDC identity provider can be found. It is a crucial part of the OIDC configuration as it helps Logto discover the necessary endpoints.

    Instead of manually provide all these OIDC endpoints, Logto fetch all the required configurations and IdP endpoints automatically. This is done by utilizing the issuer url you provided and making a call to the IdP's discover endpoint.

    To get the issuer URL, you can find it in the Endpoints section of the application overview page.

    Locate the OpenID Connect metadata document endpoint and copy the URL WITHOUT the trailing path .well-known/openid-configuration. This is because Logto will automatically append the .well-known/openid-configuration to the issuer URL when fetching the OIDC configurations.

Endpoints
  1. Scope: A space-separated list of strings defining the desired permissions or access levels requested by Logto during the OIDC authentication process. The scope parameter allows you to specify what information and access Logto is requesting from the IdP.

The scope parameter is optional. Regardless of the custom scope settings, Logto will always send the openid, profile and email scopes to the IdP.

Click Save to finish the configuration process

Step 3: Set email domains and enable the SSO connector​

Provide the email domains of your organization on the connector experience tab. This will enabled the SSO connector as an authentication method for those users.

Users with email addresses in the specified domains will be exclusively limited to use your SSO connector as their only authentication method.

Save your configuration​

Double check you have filled out necessary values in the Logto connector configuration area. Click "Save and Done" (or "Save changes") and the Microsoft Entra ID OIDC enterprise SSO connector should be available now.

Enable Microsoft Entra ID OIDC enterprise SSO connector in Sign-in Experience​

You don’t need to configure enterprise connectors individually, Logto simplifies SSO integration into your applications with just one click.

  1. Navigate to: Console > Sign-in experience > Sign-up and sign-in.
  2. Enable the "Enterprise SSO" toggle.
  3. Save changes.

Once enabled, a "Single Sign-On" button will appear on your sign-in page. Enterprise users with SSO-enabled email domains can access your services using their enterprise identity providers (IdPs).

Auto detect SSO sign-in via email domain Navigate to SSO sign-in via manually click link button

To learn more about the SSO user experience, including SP-initiated SSO and IdP-initiated SSO, refer to User flows: Enterprise SSO.

Testing and Validation​

Return to your WordPress plugin app. You should now be able to sign in with Microsoft Entra ID OIDC enterprise SSO. Enjoy!

Further readings​

End-user flows: Logto provides a out-of-the-box authentication flows including MFA and enterprise SSO, along with powerful APIs for flexible implementation of account settings, security verification, and multi-tenant experience.

Authorization: Authorization defines the actions a user can do or resources they can access after being authenticated. Explore how to protect your API for native and single-page applications and implement Role-based Access Control (RBAC).

Organizations: Particularly effective in multi-tenant SaaS and B2B apps, the organization feature enable tenant creation, member management, organization-level RBAC, and just-in-time-provisioning.

Customer IAM series Our serial blog posts about Customer (or Consumer) Identity and Access Management, from 101 to advanced topics and beyond.