bg.neutrino.GoogleUser.java Source code

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Here is the source code for bg.neutrino.GoogleUser.java

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/*
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package bg.neutrino;

import java.io.IOException;
import java.security.GeneralSecurityException;
import java.util.Collections;

import com.google.api.client.googleapis.auth.oauth2.GoogleIdToken;
import com.google.api.client.googleapis.auth.oauth2.GoogleIdToken.Payload;
import com.google.api.client.googleapis.auth.oauth2.GoogleIdTokenVerifier;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.jackson2.JacksonFactory;

/**
 *
 * @author atonkin
 */
public class GoogleUser extends User {
    private String idTokenString;

    private static final HttpTransport transport = new NetHttpTransport();
    private static final JacksonFactory jacksonFactory = new JacksonFactory();

    public String getIdTokenString() {
        return idTokenString;
    }

    public void setIdTokenString(String idTokenString) {
        this.idTokenString = idTokenString;
    }

    public boolean login() {
        DeviceProperties dp = new DeviceProperties();
        String CLIENT_ID = dp.get().getProperty("google.oauth2.api.key");

        GoogleIdTokenVerifier verifier = new GoogleIdTokenVerifier.Builder(transport, jacksonFactory)
                .setAudience(Collections.singletonList(CLIENT_ID))
                // Or, if multiple clients access the backend:
                // .setAudience(Arrays.asList(CLIENT_ID_1, CLIENT_ID_2,
                // CLIENT_ID_3))
                .build();

        // (Receive idTokenString by HTTPS POST)
        System.out.println(idTokenString);

        GoogleIdToken idToken = null;
        try {
            idToken = verifier.verify(idTokenString);
        } catch (GeneralSecurityException | IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        if (idToken != null) {
            Payload payload = idToken.getPayload();

            // Print user identifier
            String userId = payload.getSubject();
            System.out.println("User ID: " + userId);

            // Get profile information from payload
            String email = payload.getEmail();
            boolean emailVerified = Boolean.valueOf(payload.getEmailVerified());
            String name = (String) payload.get("name");
            String pictureUrl = (String) payload.get("picture");
            String locale = (String) payload.get("locale");
            String familyName = (String) payload.get("family_name");
            String givenName = (String) payload.get("given_name");

            return true;

        } else {
            System.out.println("Invalid ID token.");
        }

        return false;
    }
}