Examples with FacebookUser uk.ac.cam.cl.dtg.isaac.dos.users.FacebookUser used on opensource projects

Example 1 with FacebookUser

use of uk.ac.cam.cl.dtg.isaac.dos.users.FacebookUser in project isaac-api by isaacphysics.

the class FacebookAuthenticator method getUserInfo.

@Override
public synchronized UserFromAuthProvider getUserInfo(final String internalProviderReference) throws NoUserException, AuthenticatorSecurityException {
    Credential credentials = credentialStore.get(internalProviderReference);
    if (verifyAccessTokenIsValid(credentials)) {
        log.debug("Successful Verification of access token with provider.");
    } else {
        log.error("Unable to verify access token - it could be an indication of fraud.");
        throw new AuthenticatorSecurityException("Access token is invalid - the client id returned by the identity provider does not match ours.");
    }
    FacebookUser userInfo = null;
    try {
        GenericUrl url = new GenericUrl(USER_INFO_URL + "?fields=" + requestedFields);
        url.set("access_token", credentials.getAccessToken());
        userInfo = JsonLoader.load(inputStreamToString(url.toURL().openStream()), FacebookUser.class, true);
        log.debug("Retrieved User info from Facebook");
    } catch (IOException e) {
        log.error("An IO error occurred while trying to retrieve user information: " + e);
    }
    if (userInfo != null && userInfo.getId() != null) {
        EmailVerificationStatus emailStatus = userInfo.isVerified() ? EmailVerificationStatus.VERIFIED : EmailVerificationStatus.NOT_VERIFIED;
        String email = userInfo.getEmail();
        if (null == email) {
            email = userInfo.getId() + "-facebook";
            emailStatus = EmailVerificationStatus.DELIVERY_FAILED;
            log.warn("No email address provided by Facebook! Using (" + email + ") instead");
        }
        return new UserFromAuthProvider(userInfo.getId(), userInfo.getFirstName(), userInfo.getLastName(), email, emailStatus, null, null, null);
    } else {
        throw new NoUserException("No user could be created from provider details!");
    }
}