ldap_client.js

var firstAttempt = true;

Template.ldapLogin.events({
  'click button[name="login"]': function(e, tpl) {
    initLogin(e, tpl);
  },
  'keyup input': function(e, tpl) {
    if (e.keyCode == 13) { //If Enter Key Pressed
      initLogin(e, tpl)
    }
  },
  'click button[name="logout"]': function(e) {
    firstAttempt = true;
    Meteor.logout();
  }
});

Meteor.loginWithLdap = function(username, password, callback) {
  Accounts.callLoginMethod({
    methodArguments: [{
      username: username,
      pass: password,
      ldap: true
    }],
    validateResult: function(result) {},
    userCallback: callback
  });
};

Template.ldapLogin.helpers({
  failedLogin: function() {
    return !firstAttempt; //return true if more than one attempt has been made. Show Error Message
  }
})


// Initiate Login Process:
initLogin = function(e, tpl) {
  firstAttempt = false;
  var username = $(tpl.find('input[name="ldap"]')).val();
  var password = $(tpl.find('input[name="password"]')).val();
  var result = Meteor.loginWithLdap(username, password, function() {
    if (Meteor.userId())
      return true;
    else
      return false
  });
  return result;
}