public OAuthSession authorize(String requestToken,
Long authorizingAccountId, String verifier)
throws EnMeNotValidKeyOAuthSecurityException {
final StandardOAuthSession session = getStandardSession(requestToken);
log.debug("Authorize session");
if (session.authorized()) {
throw new IllegalStateException("OAuthSession is already authorized");
}
log.debug("Authorize session RT "+session.getRequestToken());
session.authorize(authorizingAccountId, verifier);
return session;