Custom Authentication Provider Plug-in for SSO

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Custom Authentication Provider Plug-in for Single Sign On (SSO) 

Create a Custom Authentication Provider Plug-in

Authentication Providers

You can use third-party authentication providers to configure single sign-on (SSO) and access protected third-party data in Salesforce. This SSO solution, known as social sign-on, includes predefined authentication providers for Facebook and Google. Additionally, you can set up an authentication provider for a third party using OpenID Connect or create a custom provider with OAuth 2.0 support. Customize your authentication provider with request parameters after setting it up.

Before you create your Apex class, you create a custom metadata type record for your authentication provider. For details, see Create a Custom External Authentication Provider.


Assuming you already have Client ID , Client Secret , Scope , Access Token , Authorization and User Infor URL.

Step 1 - Created a Custom Meta-Data to hold Endpoints and Authentication Details














Object and Data Types























Step 2 - Created a global class named B2BTIDAuthPlugin which is extending the Auth.AuthProviderPluginClass in which I have implemented 4 methods:-


global String getCustomMetadataType()

global PageReference initiate(Map<String,String> authProviderConfiguration, String stateToPropagate)

global Auth.AuthProviderTokenResponse handleCallback(Map<String, String> authProviderConfiguration, Auth.AuthProviderCallbackState state)

global Auth.UserData getUserInfo(Map<String, String> authProviderConfiguration, Auth.AuthProviderTokenResponse response)

Step 3 -

Follow the below steps to setup a custom Auth Provider:

Go to Setup → Identity → Auth. Providers

Click on New to create a new Auth Provider

For the provider type, select your custom authentication provider “B2BTIDAuthPlugin“






















































Add the Access Token URL to remote site settings











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