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Joomla OAuth Client Integration with NextCloud Single Sign-On (SSO)

Set up Single Sign-On (SSO) on your Joomla site via Nextcloud OAuth provider with the help of Joomla OAuth & OpenID Connect plugin. Integrating Nextcloud Single Sign-On (SSO) into Joomla using OAuth 2.0 authentication protocol allows your users to securely login into your Joomla websites and applications by authenticating with Nextcloud OAuth provider. The Nextcloud OAuth Joomla plugin also provides advanced features such as, Auto create users, Attribute Mapping, Group Mapping etc. Visit our Joomla OAuth Client Plugin page to learn more about the features and Pricing plans we offer for the Joomla OAuth Single Sign-on (OAuth & OpenID connect) plugin.

Pre-requisites : Download And Installation

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Step 1: Install Joomla OAuth Server Plugin

Login into your Joomla site’s Administrator console.
From left toggle menu, click on System, then under Install section click on Extensions.
Now click on Or Browse for file button to locate and install the plugin file downloaded earlier.
Installation of plugin is successful. Now click on Start Using miniOrange OAuth Server plugin.
Under the Configure OAuth tab, click on the ADD button.

Steps to configure OAuth SSO into Joomla

1. Configure Callback/Redirect URL

After selecting your OAuth provider, you will be redirected to the Step 1 [Redirect URL] tab. Now copy the Callback/Redirect URL which we will use to configure the OAuth Server, then click on the Save & Next button.

OAuth Single Sign-On SSO into Joomla - Copy Redirect URL

Sign in with an administrator account to your Nextcloud server.
Open the menu in the top-right corner and select the Administrator Settings. On the next page, select the Security in the "Administration" section on the left.

Nextcloud Single Sign-On SSO into Joomla | Nextcloud SSO, security-tab

At the bottom of the page you see the list of Registered clients, (which is empty initially). Below "Add client", enter the name of your OAuth Client in the first field (Name). Note that the name that you enter here will be displayed to your client users
In the second field (Redirection URI), enter the URL of your OAuth Client which is copied from here.

Click Add to save.

Nextcloud Single Sign-On SSO into Joomla | Nextcloud SSO, click-add

2. Configure Client ID and Secret

Afterwards, you will get Client Identifier and Secret . The Client Identifier will be the Client ID and the Secret will be your Client Secret.
Go to the Step 2 [Client ID & Secret] tab of the Joomla OAuth Client plugin, here paste the Client ID, Client Secret and Tenant. Click on the Save Configuration button.

OAuth Single Sign-On SSO into Joomla - Save Configuration

2.1. Scope & Endpoints

Now you can connect OAuth client with NextCloud (OAuth Provider) and the following endpoints are:

Nextcloud Endpoints and Scope:

Scope: user:read:email
Authorization endpoint: https://your-nextcloud-domain>/apps/oauth2/authorize
Access Token endpoint: https://your-nextcloud-domain>/apps/oauth2/api/v1/token
Get user info endpoint: https://your-nextcloud-domain>/ocs/v2.php/cloud/user?format=json

Once you click on Test Configuration button, You will be able to see the attributes in the Test Configuration output as follows.

Step 4: Configure Attribute Mapping

User Attribute Mapping is mandatory for enabling users to successfully login into Joomla. We will be setting up user profile attributes for Joomla using below settings.
Go to Step 3 [Attribute Mapping] tab and click on Test Configuration button.

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

Now go to the Step 3 [Attribute Mapping] tab and Select the attribute name for Email and Username from dropdown. Then click on Finish Configuration button.

Step 5: Setup Login/SSO URL

Now go to Step 4 [SSO URL] tab, here copy the Login/SSO URL and add it to your Site by following the given steps.

Now logout and go to your Joomla site's pages where you have added this link. You will see a login link where you placed that button. Click on this button to perform SSO.

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

Additional Resources

Mail us on joomlasupport@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.

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