Validate Social login token at back-end and get profile information

Social Login (IOS, Google, Facebook, Linkedin)

• Create Web Project in developer console of social platform

• Using developer console and get the access token then hit the API

• Facebook PlayGround

  • https://developers.facebook.com/tools/explorer/

• Google PlayGround

  • https://developers.google.com/oauthplayground/
  • Scope : openid email profile
  • Exchange authorization code for token then you will get id_token

• Linkedin

  • https://www.linkedin.com/developers
  • Get client id and secret
  • Hit below url to get code and use this code in request body for token field
  • https://www.linkedin.com/oauth/v2/authorization?client_id=helloworld&redirect_uri=http%3A%2F%2Flocalhost%3A8080%2Fhome&response_type=code&state=abcdef&scope=r_liteprofile%20r_emailaddress
  • No playground has been found for linkedin

• Swagger

  • http://localhost:8080/app/swagger-ui.html

• For Facebook

  • Request body
    • { "provider": "facebook", "token": " Get access token from Playground " }

• For Google

  • Request body
    • { "provider": "google", "token": " Get id token from Playground " }

• For Linkedin

  • Request body
    • { "provider": "linkedin", "token": " Get authorization code" }

• For Apple :

  • We need authorization code to validate on it.
  • We are passing the values of firstName and lastName because when we get authorization code that time user-info will be provided after that only email will be received. This is current behaviour in APPLE doc.
  • Request body
    • { "firstName" : "Hello" "lastName" : "World" "provider" : "apple", "token" : "Get authorization code. It will be used only one time to validate and get the user information" }

• Important class and points

  • SocialClient.java

    • google and facebook api to get user info

  • IOSConfig.java

    • 4 properties we need from apple developer project

  • IOSClient.java

    • get apple user info