121 lines
3.9 KiB
Java
121 lines
3.9 KiB
Java
package eu.eudat.security.validators;
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import java.io.IOException;
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import java.security.GeneralSecurityException;
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import java.security.Principal;
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import java.util.*;
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import eu.eudat.dao.entities.security.CredentialDao;
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import eu.eudat.entities.Credential;
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import eu.eudat.entities.UserToken;
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import eu.eudat.services.AuthenticationService;
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import org.springframework.beans.factory.annotation.Autowired;
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import com.google.api.client.googleapis.auth.oauth2.GoogleIdToken;
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import com.google.api.client.googleapis.auth.oauth2.GoogleIdTokenVerifier;
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import com.google.api.client.googleapis.auth.oauth2.GoogleIdToken.Payload;
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import com.google.api.client.http.HttpTransport;
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import com.google.api.client.http.javanet.NetHttpTransport;
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import com.google.api.client.json.jackson2.JacksonFactory;
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import eu.eudat.dao.entities.UserInfoDao;
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import eu.eudat.entities.UserInfo;
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import eu.eudat.exceptions.NonValidTokenException;
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import org.springframework.stereotype.Component;
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import org.springframework.stereotype.Service;
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@Component
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public class GoogleTokenValidator implements TokenValidator {
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private static final JacksonFactory jacksonFactory = new JacksonFactory();
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private static final HttpTransport transport = new NetHttpTransport();
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@Autowired private UserInfoDao userInfoDao;
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@Autowired private CredentialDao credentialDao;
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@Autowired private AuthenticationService authenticationService;
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private static final List<String> clientIDs = Arrays.asList(
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"1010962018903-glegmqudqtl1lub0150vacopbu06lgsg.apps.googleusercontent.com",
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"1010962018903-glegmqudqtl1lub0150vacopbu06lgsg.apps.googleusercontent.com"
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);
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private GoogleIdTokenVerifier verifier = null;
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public GoogleTokenValidator() {
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verifier = new GoogleIdTokenVerifier.Builder(transport, jacksonFactory)
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.setAudience(clientIDs)
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// Or, if multiple clients access the backend:
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//.setAudience(Arrays.asList(CLIENT_ID_1, CLIENT_ID_2, CLIENT_ID_3))
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.build();
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}
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@Override
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public eu.eudat.models.security.Principal validateToken(String token) throws NonValidTokenException {
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GoogleIdToken idToken = null;
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try {
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idToken = verifier.verify(token);
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}
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catch(GeneralSecurityException ex) {
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throw new NonValidTokenException("Token is not valid -> "+ex.getMessage());
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}
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catch(IOException ex) {
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throw new NonValidTokenException("Could not verify token -> "+ex.getMessage());
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}
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catch(IllegalArgumentException ex) {
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throw new NonValidTokenException("Could not verify token");
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}
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if(idToken == null) {
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throw new NonValidTokenException("Not a valid token");
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}
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Payload payload = idToken.getPayload();
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UserInfo userInfo = userInfoDao.getByMail(payload.getEmail());
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Credential credential = new Credential();
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credential.setCreationTime(new Date());
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credential.setId(UUID.randomUUID());
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credential.setLastUpdateTime(new Date());
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credential.setProvider(1);
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credential.setSecret(token);
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credential.setPublicValue(userInfo.getName());
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credential.setUserInfo(userInfo);
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if(userInfo == null) { //means not existing in db, so create one
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userInfo = new UserInfo();
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userInfo.setName((String)payload.get("name"));
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userInfo.setVerified_email(payload.getEmailVerified());
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userInfo.setEmail(payload.getEmail());
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userInfo.setCreated(new Date());
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userInfo.setLastloggedin(new Date());
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userInfo.setAuthorization_level(new Short("1"));
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userInfo.setUsertype(new Short("1"));
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userInfo = userInfoDao.create(userInfo);
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credential = credentialDao.create(credential);
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}
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else {
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userInfo.setLastloggedin(new Date());
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Set<Credential> credentials = userInfo.getCredentials();
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credentials.add(credential);
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userInfo = userInfoDao.update(userInfo);
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}
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UserToken userToken = new UserToken();
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userToken.setUser(userInfo);
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userToken.setIssuedAt(new Date());
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userToken.setToken(UUID.randomUUID());
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userToken.setExpiresAt(new Date());
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return authenticationService.Touch(userToken.getToken());
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}
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}
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