Example usage for com.google.api.client.googleapis.auth.oauth2 GoogleCredential.Builder GoogleCredential.Builder

Introduction

In this page you can find the example usage for com.google.api.client.googleapis.auth.oauth2 GoogleCredential.Builder GoogleCredential.Builder.

Prototype

GoogleCredential.Builder

Source Link

Usage

From source file:gplus.java

private void callGoogle(HttpServletRequest request, HttpServletResponse response) throws IOException {
    ByteArrayOutputStream resultStream = new ByteArrayOutputStream();
    try {//from  www .j  a v  a  2 s  . c o  m
        getContent(request.getInputStream(), resultStream);
    } catch (IOException ex) {
        Logger.getLogger(gplus.class.getName()).log(Level.SEVERE, null, ex);
    }
    try {
        code = new String(resultStream.toByteArray(), "UTF-8");
        System.out.println(code);
    } catch (UnsupportedEncodingException ex) {
        Logger.getLogger(gplus.class.getName()).log(Level.SEVERE, null, ex);
    }

    //Create a token
    try {
        tokenResponse = new GoogleAuthorizationCodeTokenRequest(TRANSPORT, JSON_FACTORY, CLIENT_ID,
                CLIENT_SECRET, code, "postmessage").execute();
        GoogleIdToken idToken = tokenResponse.parseIdToken();
        String gplusId = idToken.getPayload().getSubject();
        tokenData = tokenResponse.toString();
        response.setStatus(HttpServletResponse.SC_OK);
        response.getWriter().print(GSON.toJson("Successfully connected user."));
    } catch (TokenResponseException e) {
        response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        response.getWriter().print(GSON.toJson("Failed to upgrade the authorization code."));
    } catch (IOException e) {
        response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        response.getWriter().print(GSON.toJson("Failed to read token data from Google. " + e.getMessage()));
    }
    try {
        // Build credential from stored token data.
        GoogleCredential credential = new GoogleCredential.Builder().setJsonFactory(JSON_FACTORY)
                .setTransport(TRANSPORT).setClientSecrets(CLIENT_ID, CLIENT_SECRET).build()
                .setFromTokenResponse(JSON_FACTORY.fromString(tokenData, GoogleTokenResponse.class));
        // Create a new authorized API client.
        Plus service = new Plus.Builder(TRANSPORT, JSON_FACTORY, credential)
                .setApplicationName(APPLICATION_NAME).build();
        // Get a list of people that this user has shared with this app.
        PeopleFeed people = service.people().list("me", "visible").execute();
        response.setStatus(HttpServletResponse.SC_OK);
        response.getWriter().print(GSON.toJson(people));
        System.out.println(people.toString());
    } catch (IOException e) {
        response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        response.getWriter().print(GSON.toJson("Failed to read data from Google. " + e.getMessage()));
    }
}

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From source file:com.example.listmaker.server.auth.GPlus.java

License:Open Source License

private User getUserInfo(GoogleTokenResponse accessToken) {
    try {//ww  w  .j av  a  2s  .com
        // Build credential from stored token data.
        GoogleCredential credential = new GoogleCredential.Builder().setJsonFactory(JSON_FACTORY)
                .setTransport(TRANSPORT).setClientSecrets(CLIENT_ID, CLIENT_SECRET).build()
                .setFromTokenResponse(
                        JSON_FACTORY.fromString(accessToken.toString(), GoogleTokenResponse.class));
        // Create a new authorized API client.
        Plus service = new Plus.Builder(TRANSPORT, JSON_FACTORY, credential)
                .setApplicationName(APPLICATION_NAME).build();
        // Get a list of people that this user has shared with this app.
        Person me = service.people().get("me").execute();

        User newUser = new User();
        GoogleIdToken idToken = accessToken.parseIdToken();
        newUser.setEmailAddress(idToken.getPayload().getEmail());
        newUser.setGoogleId(idToken.getPayload().getSubject());
        newUser.setFirstName(me.getName().getGivenName());
        newUser.setLastName(me.getName().getFamilyName());
        String imageUrl = me.getImage().getUrl();
        newUser.setImgUrl(imageUrl);

        return newUser;

        //        PeopleFeed people = service.people().list("me", "visible").execute();
    } catch (IOException e) {
        throw new RestException(e);
    }

}

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From source file:com.example.listmaker.server.auth.GPlus.java

License:Open Source License

/**
 * Get list of people user has shared with this app.
 *//*ww w  .jav a2  s.c  o m*/
private Person listPeople() {

    String tokenData = AuthFilter.getToken();

    try {
        // Build credential from stored token data.
        GoogleCredential credential = new GoogleCredential.Builder().setJsonFactory(JSON_FACTORY)
                .setTransport(TRANSPORT).setClientSecrets(CLIENT_ID, CLIENT_SECRET).build()
                .setFromTokenResponse(JSON_FACTORY.fromString(tokenData, GoogleTokenResponse.class));
        // Create a new authorized API client.
        Plus service = new Plus.Builder(TRANSPORT, JSON_FACTORY, credential)
                .setApplicationName(APPLICATION_NAME).build();
        // Get a list of people that this user has shared with this app.
        Person me = service.people().get("me").execute();
        //        PeopleFeed people = service.people().list("me", "visible").execute();
        return me;
    } catch (IOException e) {
        throw new RestException(e);
    }
}

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From source file:com.google.sites.liberation.util.Auth.java

License:Apache License

/**
 * Get new credentials for access Token given by user
 *//*  www  . j  a  v  a 2s  .co  m*/
public Credential getCredentials(String accessToken) throws IOException {
    HttpTransport transport = new NetHttpTransport();
    JacksonFactory jsonFactory = new JacksonFactory();
    GoogleTokenResponse response = new GoogleAuthorizationCodeTokenRequest(transport, jsonFactory, CLIENT_ID,
            CLIENT_SECRET, accessToken, REDIRECT_URI).execute();
    LOGGER.debug("New authorization data has been downloaded - accessToken: " + response.getAccessToken()
            + ", refreshToken: " + response.getRefreshToken());
    return new GoogleCredential.Builder().setClientSecrets(CLIENT_ID, CLIENT_SECRET).setJsonFactory(jsonFactory)
            .setTransport(transport).build().setAccessToken(response.getAccessToken())
            .setRefreshToken(response.getRefreshToken());
}

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From source file:com.google.sites.liberation.util.Auth.java

License:Apache License

/**
 * Method refreshes access token by given REFRESH_TOKEN
 *///from w w  w. j av  a 2 s . co  m
public Credential refreshAccessToken() throws IOException {
    HttpTransport transport = new NetHttpTransport();
    JacksonFactory jsonFactory = new JacksonFactory();
    TokenResponse response = new TokenResponse();

    try {
        response = new GoogleRefreshTokenRequest(transport, jsonFactory, REFRESH_TOKEN, CLIENT_ID,
                CLIENT_SECRET).execute();
        LOGGER.debug("New accessToken (" + response.getAccessToken()
                + ") has been downloaded (by refreshToken in token file) with Google API Authorization!");
    } catch (TokenResponseException e) {
        LOGGER.warn("Downloaded accessToken is empty! Please check provided token (propriety of -t parameter)");
        if (e.getDetails() != null) {
            System.err.println("Error: " + e.getDetails().getError());
            if (e.getDetails().getErrorDescription() != null) {
                System.err.println(e.getDetails().getErrorDescription());
            }
            if (e.getDetails().getErrorUri() != null) {
                System.err.println(e.getDetails().getErrorUri());
            }
        } else {
            System.err.println(e.getMessage());
        }
    }

    return new GoogleCredential.Builder().setClientSecrets(CLIENT_ID, CLIENT_SECRET).setJsonFactory(jsonFactory)
            .setTransport(transport).build().setAccessToken(response.getAccessToken());

}

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From source file:com.otway.picasasync.webclient.GoogleOAuth.java

License:Apache License

public PicasawebClient authenticatePicasa(Settings settings, boolean allowInteractive, SyncState state)
        throws IOException, GeneralSecurityException {
    final HttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();

    log.info("Preparing to authenticate via OAuth...");
    Credential cred = null;//from   w  w  w .  java 2  s  .c o  m

    String refreshToken = settings.getRefreshToken();
    if (refreshToken != null) {
        // We have a refresh token - so get some refreshed credentials
        cred = getRefreshedCredentials(refreshToken);
    }

    if (cred == null && allowInteractive) {

        // Either there was no valid refresh token, or the credentials could not
        // be created (they may have been revoked). So run the auth flow

        log.info("No credentials - beginning OAuth flow...");

        state.setStatus("Requesting Google Authentication...");

        GoogleAuthorizationCodeFlow flow = new GoogleAuthorizationCodeFlow(httpTransport, jsonFactory, clientId,
                clientSecret, Collections.singleton(scope));

        String authorizationUrl = flow.newAuthorizationUrl().setRedirectUri(redirectUrl)
                .setAccessType("offline").setApprovalPrompt("force").build();

        try {
            OAuthGUI authGUI = new OAuthGUI();

            // Display the interactive GUI for the user to log in via the browser
            String code = authGUI.initAndShowGUI(authorizationUrl, state);

            log.info("Token received from UI. Requesting credentials...");

            // Now we have the code from the interactive login, set up the
            // credentials request and call it.
            GoogleTokenResponse response = flow.newTokenRequest(code).setRedirectUri(redirectUrl).execute();

            // Retrieve the credential from the request response
            cred = new GoogleCredential.Builder().setTransport(httpTransport).setJsonFactory(jsonFactory)
                    .setClientSecrets(clientId, clientSecret).build().setFromTokenResponse(response);

            state.setStatus("Google Authentication succeeded.");

            log.info("Credentials received - storing refresh token...");

            // Squirrel this away for next time
            settings.setRefreshToken(cred.getRefreshToken());
            settings.saveSettings();
        } catch (Exception ex) {
            log.error("Failed to initialise interactive OAuth GUI", ex);
        }
    }

    if (cred != null) {

        log.info("Building PicasaWeb Client...");

        // Build a web client using the credentials we created
        return new PicasawebClient(cred);
    }

    return null;
}

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