findPassport = function findPassport(next) {
      var where = {
        user: request.token,
        protocol: 'local'
      };

      sails.models.passport
        .findOne(where)
        .exec(function callback(error, passport) {
          if (error) {
            next(error);
          } else if (!passport) {
            next({message: 'Given authorization token is not valid'});
          } else {
            next(null, passport);
          }
        })
      ;
    }
Job to fetch current user local passport data. This is needed
to validate given password.

@param {Function}  next  Callback function