argos/dmp-backend/src/main/java/eu/eudat/security/validators/GoogleTokenValidator.java

129 lines
4.4 KiB
Java

package eu.eudat.security.validators;
import java.io.FileReader;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.security.Principal;
import java.util.*;
import com.google.api.client.googleapis.auth.oauth2.*;
import eu.eudat.dao.entities.security.CredentialDao;
import eu.eudat.dao.entities.security.UserTokenDao;
import eu.eudat.entities.Credential;
import eu.eudat.entities.UserToken;
import eu.eudat.models.login.LoginInfo;
import eu.eudat.services.AuthenticationService;
import org.springframework.beans.factory.annotation.Autowired;
import com.google.api.client.googleapis.auth.oauth2.GoogleIdToken.Payload;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.jackson2.JacksonFactory;
import eu.eudat.dao.entities.UserInfoDao;
import eu.eudat.entities.UserInfo;
import eu.eudat.exceptions.NonValidTokenException;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;
import static com.sun.org.apache.xalan.internal.xsltc.compiler.Constants.REDIRECT_URI;
@Component
public class GoogleTokenValidator implements TokenValidator {
private static final JacksonFactory jacksonFactory = new JacksonFactory();
private static final HttpTransport transport = new NetHttpTransport();
@Autowired private UserInfoDao userInfoDao;
@Autowired private CredentialDao credentialDao;
@Autowired private AuthenticationService authenticationService;
@Autowired private UserTokenDao userTokenDao;
private GoogleTokenResponse verifyUser(String authCode) throws IOException {
GoogleTokenResponse tokenResponse =
new GoogleAuthorizationCodeTokenRequest(
new NetHttpTransport(),
JacksonFactory.getDefaultInstance(),
"https://www.googleapis.com/oauth2/v4/token",
"524432312250-sc9qsmtmbvlv05r44onl6l93ia3k9deo.apps.googleusercontent.com",
"IQjhbYdExPIsjy37mOfB103F",
authCode,
"postmessage") // Specify the same redirect URI that you use with your web
// app. If you don't have a web version of your app, you can
// specify an empty string.
.execute();
return tokenResponse;
}
private String getAccessToken(GoogleTokenResponse response){
return response.getAccessToken();
}
private GoogleIdToken getUser(GoogleTokenResponse response) throws IOException {
return response.parseIdToken();
}
@Override
public eu.eudat.models.security.Principal validateToken(String authCode) throws NonValidTokenException, IOException {
GoogleTokenResponse tokenResponse = this.verifyUser(authCode);
String token = getAccessToken(tokenResponse);
GoogleIdToken idToken = getUser(tokenResponse);
Payload payload = idToken.getPayload();
UserInfo userInfo = userInfoDao.getByMail(payload.getEmail());
Credential credential = new Credential();
credential.setCreationTime(new Date());
credential.setId(UUID.randomUUID());
credential.setStatus(1);
credential.setLastUpdateTime(new Date());
credential.setProvider(1);
credential.setSecret(token);
credential.setPublicValue(userInfo.getName());
credential.setUserInfo(userInfo);
credentialDao.create(credential);
if(userInfo == null) { //means not existing in db, so create one
userInfo = new UserInfo();
userInfo.setName((String)payload.get("name"));
userInfo.setVerified_email(payload.getEmailVerified());
userInfo.setEmail(payload.getEmail());
userInfo.setCreated(new Date());
userInfo.setLastloggedin(new Date());
userInfo.setAuthorization_level(new Short("1"));
userInfo.setUsertype(new Short("1"));
userInfo = userInfoDao.create(userInfo);
credential = credentialDao.create(credential);
}
else {
userInfo.setLastloggedin(new Date());
Set<Credential> credentials = userInfo.getCredentials();
if(credentials.contains(credential))credentials.remove(credential);
credentials.add(credential);
userInfo = userInfoDao.update(userInfo);
}
UserToken userToken = new UserToken();
userToken.setUser(userInfo);
userToken.setIssuedAt(new Date());
userToken.setToken(UUID.randomUUID());
userToken.setExpiresAt(addADay(new Date()));
userTokenDao.create(userToken);
return authenticationService.Touch(userToken.getToken());
}
private Date addADay(Date date){
Date dt = new Date();
Calendar c = Calendar.getInstance();
c.setTime(dt);
c.add(Calendar.DATE, 1);
dt = c.getTime();
return dt;
}
}