Google Classroom SSO (Single Sign-On) | WordPress Login using Google Classroom

Google Classroom SSO using WordPress OAuth & OpenID connect Single Sign-On (SSO) plugin enables login into your WordPress site using Google Classroom credentials and other custom and standard providers. It supports advanced Single Sign-On (SSO) features like user profile attribute mapping, role mapping etc. To know more google classroom wordpress integration and 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 Google Classroom Single Sign-On (SSO) Login into WordPress

1. Setup Google Classroom as OAuth Provider

• Go to https://console.developers.google.com/ and sign up/login.
• Click on Select Project to create a new Google Apps Project,you will see a popup with the list of all your projects.

• You can click on the New project button to create new project.

• Enter your Project name under the Project Name field and click on Create.

• Go to Navigation MenuAPIsServicesCredentials.

• Click on Create Credentials button and then select OAuth Client ID from the options provided.

• In case you are facing some warning saying that in order to create an OAuth Client ID, you must set a product name on consent screen (as shown in below image). Click on the Configure consent screen button.

• Enter the required details such as App Name, User Support Email. and click on Save and Continue button.

• Now for configuring scopes, click on Add or Remove the Scopes button.

• Now, Select the Scopes to allow your project to access specific types of private user data from their Google Account and click on Save and Continue button.

• Go to the Credentials tab and click on Create Credentials button. Select Web Application from dropdown list to create new application.

• Enter the name you want for your Client ID under the name field and enter the Redirect/Callback URI from miniOrange OAuth Client plugin/module under the Authorized redirect URIs field and click on Create button.

• You will see a popup with the Client ID and Client Secret Copy your Client ID and Client Secret and save it on your miniOrange OAuth Client plugin Configuration.

• You have successfully completed your Google App OAuth Server side configurations.

Google Classroom is now successfully configured as OAuth Provider for achieving Google Classroom SSO login into your WordPress Site.

2. Setup WordPress as OAuth Client

• Free
• Premium

• Go to Configure OAuth tab and click Add New Application to add a new client application into your website.

• Choose your Application from the list of OAuth / OpenID Connect Providers, here Google.

• Copy the Callback URL to be used in OAuth Provider Configuration. Click Next.


• You need to enter the App name and Endpoints here, for that please refer the below table and click on Next.

Authorize Endpoint:	https://accounts.google.com/o/oauth2/auth
Access Token Endpoint:	https://www.googleapis.com/oauth2/v4/token
Get User Info Endpoint:	https://www.googleapis.com/oauth2/v1/userinfo


• Enter the client credentials like Client ID & Client Secret as shown in the setup dialogue box. Enter the scope values as email openid profile. Click Next.

• Click on Finish to save the configuration.

You have successfully configured WordPress as OAuth Client for achieving user authentication with Google Classroom SSO (Single Sign-On) login into your WordPress Site.

• Go to Configure OAuth tab and search your application name to add a new client application into your website, here Google.

• Insert your Google domain here and configure Client ID and Client Secret received from Google's configuration and click Save Settings.

• Choose your Grant Type from the list of options & Click on Save Settings to save the configuration.

You have successfully configured WordPress as OAuth Client for achieving user authentication with Google Single Sign-On (SSO) login into your WordPress Site.

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.

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, you will get the list of attributes in a Username dropdown.


4: Role Mapping [Premium]

• Click on “Test Configuration” and you will get the list of Attribute Names and Attribute Values that are sent by your OAuth provider.
• 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: Role


• 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 student, teacher, administrator 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. Teacher has been assigned the role of Administrator & Student 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 ‘teacher’ will be added as Administrator in WordPress and ‘student’ will be added as Subscriber.

5. Sign In Settings

• The settings in Single Sign-On (SSO) Settings tab define the user experience for Single Sign-On (SSO). To add a Okta 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 Okta SSO login button there. You can test the Okta Single Sign-On (SSO) now.

Sign in settings for WordPress 5.9

• 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 Okta SSO login button there. Once you click the login button, you will be able to test the Okta Single Sign-On (SSO).