nopCommerce SAML Single Sign-On (SSO) using Keycloak as IDP

nopCommerce SAML Single Sign-On (SSO) plugin gives the ability to enable SAML Single Sign-On for your nopCommerce applications. Using Single Sign-On you can use only one password to access your nopCommerce application and services. Our plugin is compatible with all the SAML compliant identity providers. Here we will go through a step-by-step guide to configure Single Sign-On (SSO) between nopCommerce and Keycloak considering Keycloak as IdP. To know more about the features we provide for nopCommerce SSO, click here.

Pre-requisites : Download And Installation

Download from nopCommerce Dashboard

• To download the plugin zip, login as admin into your nopCommerce store. In the admin dashboard, go to Configuration Tab > All Plugins and Themes or search for All Plugins and Themes in the Admin search bar.
• Search for the SAML Single Sign-On (SSO) - miniOrange plugin and click the Download button to get the zip.


From nopCommerce marketplace

• You can download the plugin zip file from nopCommerce store - nopCommerce SAML Single Sign-On (SSO)
• To install the plugin, login as admin into your nopCommerce website. In the admin dashboard, go to Configuration Tab >> Local plugins.
• On the top right corner of the page select the Upload plugin or theme button to upload the downloaded plugin zip. Follow the instructions further to install the plugin.

Steps to configure nopCommerce Single Sign-On (SSO) using Keycloak as Identity Provider

1. Configure Keycloak as IDP

• You need to send your SP metadata to identity provider, Keycloak. For SP metadata, use the SP metadata URL or download the SP metadata as a .xml file and upload it at your IdP end. You can find both these options under the Service Provider Metadata tab.

• Alternatively, you can manually add the SP Entity ID and ACS URL from Service Provider metadata tab in the plugin to your IdP configurations.

• In your Keycloak Admin console, select the realm that you want to use.
• Click on Clients from the left menu and then click on Create button to create a new client/application.

• Enter SP-EntityID / Issuer as the Client ID from the "Service Provider Metadata" Tab and select SAML as the Client Protocol.

• Now click on Save.
• Configure Keycloak by providing the required details:

Client ID	The SP-EntityID / Issuer from the plugin's Service Provider Metadata tab
Name	Provide a name for this client
Description	Provide a description
Client Signature Required	OFF
Force POST Binding	OFF
Force Name ID Format	OFF
Name ID Format	Email
Root URL	Leave empty or Provide Base URL from Service Provider Metadata tab
Valid Redirect URIs	The ACS (Assertion Consumer Service) URL from the plugin's Service Provider Metadata tab


• Under Fine Grain SAML Endpoint Configuration, Enter the following details:

Assertion Consumer Service POST Binding URL	The ACS (Assertion Consumer Service) URL from the plugin's Service Provider Metadata tab
Logout Service Redirect Binding URL (Optional)	The Single Logout URL from the plugin's Service Provider Metadata tab


• Click on Save.

Add Mapper

• Navigate to Mappers tab and click on Add Builtin button.

• Select the checkboxes of X500 givenName, X500 surname and X500 email attributes.

• Click on Add Selected button. You will see the mappings that are added below.

Download setup file

• Navigate to Realm Settings, click on SAML 2.0 Identity Provider Metadata mentioned as Endpoints in the General Tab.

• Note the URL and keep it handy. That will provide you with the Endpoints required to configure the plugin.

You have successfully configured Keycloak as SAML IdP ( Identity Provider) for achieving Keycloak login / Keycloak SSO / Keycloak Single Sign-On (SSO), ensuring secure Login into nopCommerce application.

2. Configure nopCommerce as SP (SSO Plugin)

Note: After installation of the plugin, we need to setup the trust between your nopCommerce application and your Keycloak account. SAML metadata is shared with Keycloak so they can update their inbuilt configuration to support Single Sign-On.

2.1: Share SP SAML metadata with Keycloak

• Click on Add New IDP to configure nopCommerce Single Sign-On (SSO) using Keycloak as IDP.

• Under Service Provider Metadata tab, you can either copy-paste the metadata URL on your IDP side or download the SP metadata as an XML file. Additionally, you have the choice to manually copy and paste Base URL, SP Entity ID, and ACS URL.
• Share SAML metadata with Keycloak.

2.2: Import Keycloak SAML metadata

• Under Identity Provider Settings tab, select Keycloak as your preferred identity provider.

• There are two methods for configuring nopCommerce as service provider:
• To upload IDP's metadata, you can either provide the metadata URL or upload XML file.

• Alternatively, under the Identity Provider Settings tab, you can manually fill in the mandatory fields like IDP Name, IDP Entity ID and Single Sign-On URL and hit Save.

3. Testing SAML SSO

• Before testing, please ensure the following:
• The nopCommerce (SP) SAML metadata has been exported to Keycloak (IDP).
• Importing the Keycloak (IDP) SAML metadata in nopCommerce (SP).
• Hover on Select Action and click on the Test Configuration button to verify if you have configured the plugin correctly.

• Click the Test Configuration button to verify if you have configured the plugin correctly.
• On successful configuration, you will get Attribute Name and Attribute Values in Test Configuration window.

4. Attribute Mapping

• After successful test configuration, click on Edit Configuration and navigate to Attribute Mapping section.
• On the right side, you can see the IDP response table, map attribute names provided by your IDP with your store attributes, under Attribute/Role Mapping tab.
• Click on Save button.

5. Enabling SSO in your nopCommerce store

• Enable SSO for your nopCommerce store by dragging the slider as shown below.

• Under the Redirection & SSO link tab, use the URL labeled as Your Store SSO Link in your store to initiate the SSO.

Additional Resources

• nopCommerce OAuth Single Sign-On (SSO)
• Web3 Login for ASP.NET Applications
• ASP.NET SAML Single Sign-On (SSO)
• ASP.NET OAuth Single Sign-On (SSO)
• DNN SAML Single Sign-On (SSO)
• DNN REST API Authentication
• Kentico SAML Single Sign-On (SSO)