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package syncloud.google.docs.auth;

import com.google.api.client.googleapis.auth.clientlogin.ClientLogin;
import com.google.api.client.http.javanet.NetHttpTransport;
import syncloud.core.log.Logger;

import java.io.IOException;

public class PasswordTransportAuthenticator implements TransportAuthenticator {

    private static Logger logger = Logger.getLogger(PasswordTransportAuthenticator.class);

    private static final String APP_NAME = "uCloud";
    private static final String DOCUMENTS_TYPE_NAME = "writely";
    private boolean authenticated = false;
    private String auth;

    @Override
    public boolean authorize(String login, String password) {
        ClientLogin authenticator = new ClientLogin();
        authenticator.applicationName = APP_NAME;
        authenticator.authTokenType = DOCUMENTS_TYPE_NAME;
        authenticator.username = login;
        authenticator.password = password;
        authenticator.transport = new NetHttpTransport();
        try {
            ClientLogin.Response response = authenticator.authenticate();
            auth = response.auth;
            logger.debug("successfully authenticated: " + login);
            authenticated = true;
        } catch (IOException e) {
            logger.error("unable to authenticate, " + e.getMessage());
            authenticated = false;
        }

        return authenticated;
    }

    @Override
    public String getAuth() {
        return auth;
    }

    @Override
    public boolean authenticated() {
        return authenticated;
    }
}