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

WordPress OAuth & OpenID Connect Single Sign-On (SSO) plugin enables secure login into WordPress using Gitlab as OAuth and OpenID Connect provider. It supports advanced Single Sign-On (SSO) features such as user profile Attribute mapping, Role mapping, etc. Here we will go through a guide to configure SSO between WordPress and Gitlab. By the end of this guide, users should be able to login to WordPress from Gitlab. To know more about other features we provide in WP OAuth Single Sign-On ( OAuth & OpenID Connect Client ) plugin, you can click here.

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 Gitlab Single Sign-On (SSO) Login into WordPress

1. Setup Gitlab as OAuth Provider

• First of all, go to https://gitlab.com/profile and log into your gitlab developer account.
• Go to Applications tab to add a new application.

• Enter the app name and enter the Redirect/Callback URL which you will get from the OAuth Single Sign-On (SSO) plugin under the Callback URL section.

• Scroll down to the Scopes section and select the scopes shown in the below figure. Click on save application button.

• Copy the Application ID and Secret and save it under the Client ID and Client Secret in your WordPress OAuth Single Sign-On (SSO) Plugin Configuration.

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

2. Setup WordPress as OAuth Client

3. User Attribute Mapping

• User Attribute Mapping is mandatory for enabling users to successfully Single Sign-On into WordPress using Gitlab SSO. We will be setting up user profile attributes for WordPress using the below settings.

Finding user attributes

• Go to Configure OAuth tab. Scroll down and click on Test Configuration.

• You will see all the values returned by your OAuth Provider to WordPress 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.
• Once you see all the values in Test Configuration, go to Attribute / Role Mapping tab, select attributes from Username dropdown and click on Save.


4. Sign In Settings

• The settings in Single Sign-On (SSO) Settings tab define the user experience for Single Sign-On (SSO). To add a Gitlab login widget on your WordPress page, you need to follow the below steps.

Sign in settings for WordPress 5.7 and before

• Go to WordPress Left Panel > Appearances > Widgets.
• Select miniOrange OAuth. Drag and drop to your favourite location and save.


Sign in settings for WordPress 5.8

• Go to WordPress Left Panel > Appearances > Widgets.
• Select miniOrange OAuth. Drag and drop to your favourite location and save.

• Open your WordPress page and you can see the Gitlab SSO login button there. You can test the Gitlab Single Sign-On (SSO) now.

Sign in settings for WordPress 5.9 and above

• Make sure the "Show on login page" option is enabled for your application. (Refer to the below image)

• Now, go to your WordPress Login page. (Eg. https://< your-wordpress-domain >/wp-login.php)
• You will see an Gitlab SSO login button there. Once you click the login button, you will be able to test the Gitlab Single Sign-On (SSO).


In this Guide, you have successfully configured Gitlab Single Sign-On (SSO) by configuring Gitlab as OAuth Provider and WordPress as OAuth Client using our WP OAuth Single Sign-On ( OAuth / OpenID Connect Client ) plugin.This solution ensures that you are ready to roll out secure access to your WordPress site using Gitlab login credentials within minutes.

Additional Resources

• What is OAuth 2.0?
• Gitlab as OAuth Provider / OpenID Connect
• Frequently Asked Questions (FAQs)



Mail us on oauthsupport@xecurify.com for quick guidance(via email/meeting) on your requirement and our team will help you to select the best suitable solution/plan as per your requirement.