gistfile1.txt

function post(args) {
  //DO post here
}

function comment() {
  //Do comment here
}

function checkUser(args) {
  //Check args here to make sue is user
  if(user = Users.find({user: args.username}) && user.password == hash(args.salt+args.password)) {
    return true;
  } else {
    return false;
    //Other function won't run if this returns false
  }
}

Meteor.methods({
  post: post,
  comment: comment
});

Meteor.methods.beforeFilter(checkUser, {only: ['post']});