Vulcan/collections/users.js

var Schema = {};

Schema.User = new SimpleSchema({
    _id: {
        type: String,
        regEx: SimpleSchema.RegEx.Id
    },
    username: {
        type: String,
        regEx: /^[a-z0-9A-Z_]{3,15}$/
    },
    emails: {
        type: [Object]
    },
    "emails.$.address": {
        type: String,
        regEx: SimpleSchema.RegEx.Email
    },
    "emails.$.verified": {
        type: Boolean
    },
    createdAt: {
        type: Date
    },
    profile: {
        type: Schema.UserProfile,
        optional: true
    },
    services: {
        type: Object,
        optional: true,
        blackbox: true
    }
});

// Meteor.users.attachSchema(Schema.User);

Meteor.users.allow({
  update: function(userId, doc){
  	return isAdminById(userId) || userId == doc._id;
  },
  remove: function(userId, doc){
  	return isAdminById(userId) || userId == doc._id;
  }
});