Examples with JsonObjectParser com.google.api.client.json.JsonObjectParser used on opensource projects

Example 1 with JsonObjectParser

use of com.google.api.client.json.JsonObjectParser in project openhab1-addons by openhab.

the class GCalGoogleOAuth method getCredential.

/**
     * <p>
     * Perform OAuth2 authorization with Google server based on provided client_id and client_secret and
     * stores credential in local persistent store.
     * </p>
     *
     * @param newCredential If true try to obtain new credential (user interaction required)
     * @return Authorization credential object.
     */
public static Credential getCredential(boolean newCredential) {
    Credential credential = null;
    try {
        File tokenPath = null;
        String userdata = System.getProperty("smarthome.userdata");
        if (StringUtils.isEmpty(userdata)) {
            tokenPath = new File("etc");
        } else {
            tokenPath = new File(userdata);
        }
        File tokenFile = new File(tokenPath, TOKEN_PATH);
        FileDataStoreFactory fileDataStoreFactory = new FileDataStoreFactory(tokenFile);
        DataStore<StoredCredential> datastore = fileDataStoreFactory.getDataStore("gcal_oauth2_token");
        credential = loadCredential("openhab", datastore);
        if (credential == null && newCredential) {
            if (StringUtils.isBlank(client_id) || StringUtils.isBlank(client_secret)) {
                logger.warn("OAuth2 credentials are not provided");
                return null;
            }
            GenericUrl genericUrl = new GenericUrl("https://accounts.google.com/o/oauth2/device/code");
            Map<String, String> mapData = new HashMap<String, String>();
            mapData.put("client_id", client_id);
            mapData.put("scope", CalendarScopes.CALENDAR);
            UrlEncodedContent content = new UrlEncodedContent(mapData);
            HttpRequestFactory requestFactory = HTTP_TRANSPORT.createRequestFactory(new HttpRequestInitializer() {

                @Override
                public void initialize(HttpRequest request) {
                    request.setParser(new JsonObjectParser(JSON_FACTORY));
                }
            });
            HttpRequest postRequest = requestFactory.buildPostRequest(genericUrl, content);
            Device device = postRequest.execute().parseAs(Device.class);
            // no access token/secret specified so display the authorisation URL in the log
            logger.info("################################################################################################");
            logger.info("# Google-Integration: U S E R   I N T E R A C T I O N   R E Q U I R E D !!");
            logger.info("# 1. Open URL '{}'", device.verification_url);
            logger.info("# 2. Type provided code {} ", device.user_code);
            logger.info("# 3. Grant openHAB access to your Google calendar");
            logger.info("# 4. openHAB will automatically detect the permiossions and complete the authentication process");
            logger.info("# NOTE: You will only have {} mins before openHAB gives up waiting for the access!!!", device.expires_in);
            logger.info("################################################################################################");
            if (logger.isDebugEnabled()) {
                logger.debug("Got access code");
                logger.debug("user code : {}", device.user_code);
                logger.debug("device code : {}", device.device_code);
                logger.debug("expires in: {}", device.expires_in);
                logger.debug("interval : {}", device.interval);
                logger.debug("verification_url : {}", device.verification_url);
            }
            mapData = new HashMap<String, String>();
            mapData.put("client_id", client_id);
            mapData.put("client_secret", client_secret);
            mapData.put("code", device.device_code);
            mapData.put("grant_type", "http://oauth.net/grant_type/device/1.0");
            content = new UrlEncodedContent(mapData);
            postRequest = requestFactory.buildPostRequest(new GenericUrl("https://accounts.google.com/o/oauth2/token"), content);
            DeviceToken deviceToken;
            do {
                deviceToken = postRequest.execute().parseAs(DeviceToken.class);
                if (deviceToken.access_token != null) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Got access token");
                        logger.debug("device access token: {}", deviceToken.access_token);
                        logger.debug("device token_type: {}", deviceToken.token_type);
                        logger.debug("device refresh_token: {}", deviceToken.refresh_token);
                        logger.debug("device expires_in: {}", deviceToken.expires_in);
                    }
                    break;
                }
                logger.debug("waiting for {} seconds", device.interval);
                Thread.sleep(device.interval * 1000);
            } while (true);
            StoredCredential dataCredential = new StoredCredential();
            dataCredential.setAccessToken(deviceToken.access_token);
            dataCredential.setRefreshToken(deviceToken.refresh_token);
            dataCredential.setExpirationTimeMilliseconds((long) deviceToken.expires_in * 1000);
            datastore.set(TOKEN_STORE_USER_ID, dataCredential);
            credential = loadCredential(TOKEN_STORE_USER_ID, datastore);
        }
    } catch (Exception e) {
        logger.warn("getCredential got exception: {}", e.getMessage());
    }
    return credential;
}