Okta OAuth & OpenID connect Single Sign-On (SSO) | Okta SSO Login

Overview

The WordPress SSO enables secure, seamless login to WordPress using Okta as your OAuth and OpenID Connect provider. By implementing SSO with Okta, users can access your website or applications with a single set of credentials, simplifying the login experience. Our WordPress OAuth & OpenID Connect Single Sign-On (SSO) plugin provides advanced SSO features such as attribute mapping, role mapping, and access control based on company email domains. It also allows you to secure your entire WordPress site behind SSO. The WP OAuth SSO plugin simplifies the user login process and streamlines Okta login authentication. Follow the steps in the guide below to install and set up your WordPress SSO with Okta.

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Pre-requisites : Download And Installation

• Log into your WordPress instance as an admin.
• Go to the WordPress Dashboard -> Plugins and click on Add New.
• Search for a WordPress OAuth Single Sign-On (SSO) plugin and click on Install Now.
• Once installed click on Activate.

Steps to configure Okta Single Sign-On (SSO) Login into WordPress

Step 1: Setup Okta as OAuth Provider

• First of all, go to https://www.okta.com/login and log into your Okta account.
• Go to the Okta Admin panel. Go to Applications -> Applications.

• You will get the following screen. Click on Create App Integration button.

• Select sign in method as the OIDC - OpenID Connect option and select Application type as web application, click on Next button.

• You will be redirected to the app details page. Enter App integration name and Sign-in redirect URIs. you will get that from miniOrange OAuth/OpenID connect Client Plugin's 'Configure OAuth' tab under the Redirect/Callback URL field.

• Scroll down and you will see the Assignments section. Choose a controlled access option and uncheck the Enable immediate access with Federation Broker Mode option. Click on Save button.

• Now you will get the Client credentials and okta domain. Copy these credentials in Miniorange OAuth client single sign-on (SSO) Plugin configuration on corresponding fields.

Note: Enter https:// in the Okta domain field in the WordPress OAuth Single Sign-On (SSO) plugin which you will get from General Settings. eg.( https://dev-32414285.okta.com ).







1.1 Assign an app integration to a user

• Go to Applications tab and Click on your application.

• Select the Assignments tab.

• Click Assign and select Assign to People.
• If you want to assign the application to multiple users at the same time then select Assign to Groups [If an app is assigned to a group then, the app will be assigned to all the people in that group]

• Click Assign next to a user name.

• Click Save and Go Back.

• Click Done.




1.2 Profile Attributes for the id Token

• In your Okta admin dashboard, navigate to Security -> API.

• Select your SSO application and click on the edit icon.

• Go to claims tab and select the ID token option.

• click on Add claim button.

• Give a Name to your claim/attribute and Select ID Token from the token type dropdown. Now, enter the value user.$attribute in the Value field based on the attribute you want to receive. Keep other settings as default and click on Create button.

• Follow the similar steps for all the attributes you want to see. You will have a list similar to the below one.

• You will be able to see the attributes in the Test Configuration output as follows.



You've successfully configured WordPress SSO using Okta as OAuth Provider on your WordPress site, allowing users to use Okta SSO login into the WordPress site with their Okta login Credentials.

Step 2: Setup WordPress as OAuth Client

Step 3: User Attribute Mapping

• User Attribute Mapping is mandatory for enabling users to successfully login into WordPress. We will be setting up user profile attributes for WordPress using below settings.

4: Steps to fetch Okta Groups

• Click on the Sign On tab in your Okta application.

• Go to the OpenID Connect ID Token section by scrolling down.
• Under 'Group claims filter' section, enter groups as the default name, and then select 'Matches regex' from the drop down list and enter .* (without spaces) to return all the user's Groups. Click on Save button.

5: Steps to Create Custom Claims in Okta

• Go to the Okta Admin panel ->Security -> API.
• Click on Add Authorization Server button.

• After creating a new Authorization Server, click on the Edit icon as shown below.

• Go to Claims and click on Add Claim button.

• After creating a custom claim, go to Access Policies and select Add Policy.

• After creating a new policy in the Access Policies tab, click on Add rule button.

• Give a name to the rule. Keep other settings as default and click on Create rule.

6: Configure Okta Groups in plugin [Premium]

• Go the OAuth Client Single Sign-On (SSO) plugin, enter the scope values as groups in addition to the scopes.
• Enter the Endpoints mentioned in the below table (refer to the image below). Click on Save and then “Test Configuration” button.

Scope:	openid email profile groups
Authorize Endpoint:	https://{yourOktaDomain}.com/oauth2/v1/authorize
Access Token Endpoint:	https://{yourOktaDomain}.com/oauth2/v1/token


• Now you will get the list of Attribute Names, Attribute Values and Groups that are sent by Okta.

• From the Test Configuration window, map the Attribute Names in the Attribute Mapping section of the plugin. Refer to the screenshot for more details.

• Enable Role Mapping: To enable Role Mapping, you need to map Group Name Attribute. Select the attribute name from the list of attributes which returns the roles from your provider application.
  Eg: groups


• Assign WordPress role to the Provider role: Based on your provider application, you can allocate the WordPress role to your provider roles. It can be a Administrator, Contributor,Subscriber or any other depending on your application. Add the provider roles under Group Attribute Value and assign the required WordPress role in front of it under WordPress Role.
  For example, in the below image. Football has been assigned the role of Contributor & Everyone is assigned the role of Subscriber.

• Once you save the mapping, the provider role will be assigned the WordPress administrator role after SSO.
  Example: As per the given example, Users with role ‘Football’ will be added as Contributor in WordPress and ‘Everyone’ will be added as Subscriber.

Step 7: Sign In Settings

8: Scope & Endpoints

Please refer the below table for configuring the scope & endpoints for Okta in the plugin.

Note: Please try the following endpoints if you receive a 404 Server error from Okta at the time of SSO.

You have successfully enabled WordPress SSO Login with the WordPress OAuth & OpenID Connect Single Sign-On (SSO) plugin by configuring Okta as IdP (OAuth Provider) and WordPress as an OAuth client. With this Okta SSO Integration you can quickly roll out secure access to your WordPress(WP) site, allowing users to safely authenticate using Okta SSO login credentials.

Related Articles

• Okta's developer documentation for OAuth 2.0 & OpenID Connect
• okta and oauth better together
• WordPress Single Sign-On (SSO) OAuth / OpenID Connect / JWT
• What is OAuth 2.0 and how does it work?
• miniOrange WordPress OAuth SSO using Okta: Developer Docs
• Frequently Asked Questions (FAQs)