ru.hh.oauth.subscribe.apis.google.GoogleJsonTokenExtractor Maven / Gradle / Ivy

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package ru.hh.oauth.subscribe.apis.google;

import java.util.regex.Matcher;
import java.util.regex.Pattern;
import ru.hh.oauth.subscribe.core.extractors.JsonTokenExtractor;

/**
 * additionally parses OpenID id_token
 */
public class GoogleJsonTokenExtractor extends JsonTokenExtractor {

    private static final Pattern ID_TOKEN_PATTERN = Pattern.compile("\"id_token\"\\s*:\\s*\"(\\S*?)\"");

    @Override
    public GoogleToken extract(final String response) {
        return new GoogleToken(extractAccessToken(response), "", response, extractOpenIdToken(response));
    }

    private String extractOpenIdToken(final String response) {
        final Matcher matcher = ID_TOKEN_PATTERN.matcher(response);
        if (matcher.find()) {
            return matcher.group(1);
        }
        return null;
    }
}