78 lines
2.3 KiB
Java
78 lines
2.3 KiB
Java
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package security;
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import java.io.IOException;
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import java.security.GeneralSecurityException;
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import java.util.Arrays;
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import java.util.List;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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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 exceptions.NonValidTokenException;
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import security.entities.UserInfo;
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public class GoogleTokenValidator {
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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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private static final List<String> clientIDs = Arrays.asList("1010962018903-glegmqudqtl1lub0150vacopbu06lgsg.apps.googleusercontent.com");
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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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public UserInfo 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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Payload payload = idToken.getPayload();
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UserInfo userInfo = new UserInfo(payload.getSubject(), payload.getEmail(),
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payload.getEmailVerified(), (String)payload.get("name"), (String)payload.get("picture"),
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(String)payload.get("locale"), (String)payload.get("family_name"), (String)payload.get("given_name"));
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System.out.println(userInfo.toString());
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return userInfo;
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} else {
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throw new NonValidTokenException("Not a valid token");
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}
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}
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}
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