UsersModule moved to old repos

2020-11-20 18:53:33 +01:00
1 parent b291894227
commit 121af47510
@@ -0,0 +1,14 @@
+# Ignore files to be uploaded to the image
+.env
+.env.dev
+.env.prod
+.git
+.gitignore
+Dockerfile
+Dockerfile.prod
+README.md
+CODE_OF_CONDUCT.md
+CONTRIBUTING.md
+
+/coverage
+/.nyc_output
@@ -0,0 +1,13 @@
+NODE_ENV=production
+PORT=4000
+
+MONGO_URL=mongodb://mongo/users
+
+GATEWAY_ENDPOINT=http://master-app-api:4100/graphql
+USERS_API_PRESHARED=users_key
+
+GENERATE_SOURCEMAP=true
+ERROR_LOG=true
+INFO_LOG=true
+
+
@@ -0,0 +1,6 @@
+# See https://help.github.com/ignore-files/ for more about ignoring files.
+.env
+.env.dev
+
+/node_modules
+/coverage
@@ -0,0 +1,46 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as contributors and maintainers pledge to making participation in our project and our community a harassment-free experience for everyone, regardless of age, body size, disability, ethnicity, gender identity and expression, level of experience, nationality, personal appearance, race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable behavior and are expected to take appropriate and fair corrective action in response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, and other contributions that are not aligned to this Code of Conduct, or to ban temporarily or permanently any contributor for other behaviors that they deem inappropriate, threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces when an individual is representing the project or its community. Examples of representing a project or community include using an official project e-mail address, posting via an official social media account, or acting as an appointed representative at an online or offline event. Representation of a project may be further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the project team at feedback at advancedalgos dot org. The project team will review and investigate all complaints, and will respond in a way that it deems appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good faith may face temporary or permanent repercussions as determined by other members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, available at [http://contributor-covenant.org/version/1/4][version]
+
+[homepage]: http://contributor-covenant.org
+[version]: http://contributor-covenant.org/version/1/4/
@@ -0,0 +1,45 @@
+# Contributing
+
+We are thrilled you are interested in contributing to this repository. Your help may be essential to the project's success and we want you in! 
+
+Advanced Algos LTD is a startup, currently at a very early stage. Although this repository is not open source software yet, we do welcome contributions from the community.
+
+Contributions are deemed _voluntary work_. There might be incentives in place for certain kinds of contributions. Contact us for more information in this regards.
+
+In any case, contributors agree to provide an express grant of patent rights for their contributions. Submitting Pull Requests to this repository represents an express agreement with the terms of our Balanced Contributor Intellectual Property Agreement. This agreement is a direct implementation of GitHub's [Balanced Employee Intellectual Property Agreement 1.0.1](https://github.com/github/balanced-employee-ip-agreement/blob/master/Balanced_Employee_IP_Agreement.md).
+
+# Balanced Contributor Intellectual Property Agreement 1.0.1
+
+This BALANCED CONTRIBUTOR INTELLECTUAL PROPERTY AGREEMENT is between person or team submitting Pull Requests to this repository and Advanced Algos LTD ("Company").
+
+**What is this?** This is the Company's Intellectual Property Agreement ("Agreement"). If you've worked in the technology space before, there's a good chance that you've run across one or more of these in the past. This document is the official, entire and exclusive agreement on what intellectual property ("IP") is yours, and what belongs to the Company.
+
+**Why is this?** The Company needs to be clear on what IP it owns and has rights to. Its customers, contributors, and investors depend on the Company having the legal rights to the products and services it is providing so that the Company can continue operating and doing business.
+
+The Company also believes that it's important to be clear on what it doesn't own. The Company doesn't want you looking over your shoulder every time you work on something personal or worrying that the Company will someday seize your open source non-lethal mousetrap simulation software. In other words, the Company isn't interested in appropriating your personal projects.
+
+**Read this.** Please read this document and be sure you understand it before you submit any Pull Requests. Due to legal risk and corporate obligations, the Company cannot, by and large, negotiate its terms. If you feel you have a particular circumstance that keeps you from signing, please let the Company's legal department ("Legal") know. And, of course, you're always free and encouraged to get your own legal counsel to explain anything you're not clear on.
+
+Cool? Then, by submitting your first Pull Request, and as a condition of your contribution, you agree to the following:
+
+1. **What the Company owns.** The Company owns any IP ("Company IP") that you create, or help create _as its contributor_, but only if it meets one or more of these additional conditions: The IP was (i) related to an existing or prospective Company product or service at the time you developed, invented, or created it, (ii) developed for use by the Company, or (iii) developed or promoted with existing Company IP or with the Company's endorsement. You hereby grant and assign, and will grant and assign, to the Company all rights and interests in all Company IP.
+
+   "Company IP" includes concepts, designs, developments, discoveries, ideas, improvements, inventions, trade secrets, trademarks, and works of authorship.
+
+2. **What the Company doesn't own.** If you create IP that doesn't fit into one of the categories listed above, the Company doesn't own it. In other words, the Company doesn't own concepts, designs, developments, discoveries, ideas, improvements, inventions, trade secrets, trademarks, or works of authorship that you develop, invent, or create that do not meet any of the conditions in Section 1. 
+
+3. **Contribution of your IP to Company projects.** If you include your own IP – such as IP you created prior to working for the Company – into a Company product or service, it's still yours, of course, but you grant the Company a non-exclusive, irrevocable, fully paid-up, royalty-free, perpetual, sublicensable, transferable, worldwide license to use it without restriction in any way or implementation, in modified form, or as is, by itself, or incorporated into another product or service ("License"). If you include your name in any project over which the Company would have rights under this Agreement, such as in a copyright notice or a comment in code or documentation, then the License covers the rights associated with that use of your name as well.
+
+4. **Your contributions to non-Company projects.** The Company recognizes that you may be engaged in work that requires you to submit IP to entities other than the Company, such as open source projects used by the Company. Please make sure that Legal is aware of what you're working on so that Legal can help with any licensing issues. If any project asks you to sign a contribution agreement, you should check with Legal before doing so. These agreements may be legally binding on the Company and so should be run through Legal first.
+
+5. **Voluntary Works** All Company IP that you are involved with or create as part of your work for the Company is voluntary work which does not require compensation. There might be incentives in place for certain kinds of contributions. Feel free to contact the Company to learn more.
+
+6. **No conflicts.** You agree that you don't have any outstanding agreements or obligations that conflict with those in this Agreement, and that you won't enter into conflicting agreements in the future.
+
+7. **IP protection.** The Company might someday need to show the work that went into the development of IP that it uses or has used, or to make government filings to establish that it owns the IP or has rights over it. To help in those situations, you agree not to destroy any records you maintain relating to the development of any Company IP or IP under License (together, "All IP"), and, if the Company asks, to provide those records to the Company. You agree to help the Company secure and defend its rights in All IP. For your help the Company will compensate you at a reasonable rate. If the Company is unable to secure your help, you authorize the Company to act on your behalf (as your agent and attorney-in-fact) in securing all rights related to All IP.
+
+8. **Confidentiality.** As an contributor or contractor of the Company, you will have access to sensitive confidential information that is important to the Company's business. You are responsible for keeping this information confidential, including after you end your work for the Company.
+
+   "Confidential Information" includes non-public technical details about our products or services, financial information, business strategies and forecasts, customer data, or any other information, data or know-how that is valuable to the Company because it is not publicly known.
+
+   The Company's Confidential Information is sensitive and we expect that you'll treat it as such. You agree to only use the Company's Confidential Information for the purpose of performing your contribution and for the benefit of the Company. You will do your best to keep Confidential Information secret. If you are not sure if something is Confidential Information, you should assume that it is, until you can confirm otherwise.
@@ -0,0 +1,19 @@
+FROM mhart/alpine-node:12
+
+# Directory where the service will be installed
+ARG API_DIR=/usr/src/users-api
+
+# Prepare required directories
+RUN mkdir -p ${API_DIR}
+
+# Use app directory as current workdir
+WORKDIR ${API_DIR}
+
+# Copy package.json to workdir
+COPY . ${API_DIR}/
+
+# Install dependencies
+RUN npm install --production
+
+# Expose Port
+EXPOSE $PORT
@@ -0,0 +1,21 @@
+FROM mhart/alpine-node:8
+
+ENV PORT=4000
+
+RUN mkdir -p /var/www/app && \
+    mkdir -p /var/www/app/node_modules
+
+# Use app directory as current workdir
+WORKDIR /var/www/app
+ENV PATH /var/www/app/node_modules/.bin:$PATH
+# Copy package.json to workdir
+COPY package.json /var/www/app/package.json
+
+# Install dependencies
+RUN npm install
+
+# Copy application code
+COPY . /var/www/app
+
+# Expose Port
+EXPOSE $PORT
@@ -0,0 +1,201 @@
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@@ -0,0 +1,24 @@
+version: '3'
+services:
+  node:
+    image: aausersapi-dev:v1
+    build:
+      context: .
+      dockerfile: ./Dockerfile.prod
+    env_file: ./.env
+    container_name: aausersapi
+    tty: true
+    stdin_open: true
+    volumes:
+      - ./:/var/www/app
+      - /var/www/app/node_modules
+    working_dir: /var/www/app
+    restart: always
+    command: npm start
+    expose:
+      - 4000
+    network_mode: webproxy
+networks:
+  default:
+    external:
+      name: webproxy
@@ -0,0 +1,35 @@
+{
+  "name": "@superalgos/users-api",
+  "version": "0.1.0",
+  "description": "Superalgos Users backend API",
+  "author": "Superalgos, ltd.",
+  "license": "Apache-2.0",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/Superalgos/UsersModule.git"
+  },
+  "main": "src/index.js",
+  "scripts": {
+    "start": "nodemon --exec babel-node --presets env,stage-2 src/index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.26.0",
+    "babel-preset-env": "^1.7.0",
+    "babel-preset-stage-2": "^6.24.1",
+    "nodemon": "^1.18.10"
+  },
+  "dependencies": {
+    "cors": "^2.8.4",
+    "dotenv": "^6.0.0",
+    "express": "^4.16.3",
+    "express-graphql": "^0.6.12",
+    "express-jwt": "^5.3.1",
+    "graphql": "^14.0.0",
+    "jsonwebtoken": "^8.3.0",
+    "jwks-rsa": "^1.3.0",
+    "lodash": "^4.17.10",
+    "mongoose": "^5.2.12",
+    "winston": "^3.1.0"
+  }
+}
@@ -0,0 +1,16 @@
+/*
+
+Global in-memory Sessions
+
+Here, we are going to store some information associated to the logged in user, after it was
+succesfully authenticated. This will prevent cheating, since we will use the in-Session
+user-id for any transaction belonging to the user instead of whatever user id it provides
+from the client app.
+
+The key to access the in-Session information will allways be the authenticatioin token received
+at the authentication transaction. This token should always come at the header of each
+transactional functionality supported by this server module.
+
+*/
+
+global.Sessions = new Map();
@@ -0,0 +1,26 @@
+
+const jwt = require('express-jwt')
+const jwksRsa = require('jwks-rsa')
+
+// Authentication middleware. When used, the
+// if the access token exists, it be verified against
+// the Auth0 JSON Web Key Set
+const checkJwt = jwt({
+  // Dynamically provide a signing key
+  // based on the kid in the header and
+  // the signing keys provided by the JWKS endpoint.
+  secret: jwksRsa.expressJwtSecret({
+    cache: true,
+    rateLimit: true,
+    jwksRequestsPerMinute: 1,
+    jwksUri: `https://${process.env.AUTH0_DOMAIN}/.well-known/jwks.json`
+  }),
+
+  // Validate the audience and the issuer.
+  credentialsRequired: false,
+  audience: process.env.AUTH0_AUDIENCE,
+  issuer: process.env.AUTH0_ISSUER,
+  algorithms: [`RS256`]
+})
+
+module.exports = checkJwt
@@ -0,0 +1,81 @@
+const MODULE_NAME = 'token-decoder'
+
+/*
+   JSON Web Token (JWT) is a compact, URL-safe means of representing
+   claims to be transferred between two parties.  The claims in a JWT
+   are encoded as a JSON object that is used as the payload of a JSON
+   Web Signature (JWS) structure or as the plaintext of a JSON Web
+   Encryption (JWE) structure, enabling the claims to be digitally
+   signed or integrity protected with a Message Authentication Code
+   (MAC) and/or encrypted.
+*/
+
+const JSONWebToken = require('jsonwebtoken') // A library to deal with JSON Web Tokens.
+const webTokenLibrary = require('jwks-rsa')   // A library to retrieve RSA signing keys from a JWKS (JSON Web Key Set) endpoint.
+
+const decoder = webTokenLibrary({
+  cache: true,
+  rateLimit: true,
+  jwksRequestsPerMinute: 1,
+  jwksUri: `https://${process.env.AUTH0_DOMAIN}/.well-known/jwks.json`
+})
+
+function decodeToken (token, callBackFunction) {
+  try {
+    if (process.env.INFO_LOG === true) { console.log('[INFO] ' + MODULE_NAME + ' -> decodeToken -> Entering function.') }
+
+    const decoded = JSONWebToken.decode(token, { complete: true })
+    const header = decoded.header
+    const payload = decoded.payload
+
+    if (
+      header === null ||
+      header.kid === null ||
+      payload === null
+    ) {
+      if (process.env.ERROR_LOG === true) { console.log('[ERROR] ' + MODULE_NAME + ' -> decodeToken -> Invalid Token. ') }
+      if (process.env.ERROR_LOG === true) { console.log('[ERROR] ' + MODULE_NAME + ' -> decodeToken -> token = ' + token) }
+      callBackFunction(global.DEFAULT_FAIL_RESPONSE)
+      return
+    }
+
+    decoder.getSigningKey(header.kid, onKeyReady)
+
+    function onKeyReady (err, key) {
+      if (process.env.INFO_LOG === true) { console.log('[INFO] ' + MODULE_NAME + ' -> decodeToken -> onKeyReady -> Entering function.') }
+
+      if (err) {
+        if (process.env.ERROR_LOG === true) { console.log('[ERROR] ' + MODULE_NAME + ' -> decodeToken -> onKeyReady -> Error getting the key. ') }
+        if (process.env.ERROR_LOG === true) { console.log('[ERROR] ' + MODULE_NAME + ' -> decodeToken -> onKeyReady -> key = ' + key) }
+        if (process.env.ERROR_LOG === true) { console.log('[ERROR] ' + MODULE_NAME + ' -> decodeToken -> onKeyReady -> err = ' + err) }
+        callBackFunction(global.DEFAULT_FAIL_RESPONSE)
+        return
+      }
+
+      JSONWebToken.verify(
+        token,
+        key.publicKey,
+        { algorithms: ['RS256'] },
+        onVerified)
+
+      function onVerified (err, decoded) {
+        if (process.env.INFO_LOG === true) { console.log('[INFO] ' + MODULE_NAME + ' -> decodeToken -> onKeyReady -> onVerified -> Entering function.') }
+
+        if (err) {
+          if (process.env.ERROR_LOG === true) { console.log('[ERROR] ' + MODULE_NAME + ' -> decodeToken -> onKeyReady -> onVerified -> Error verifying. ') }
+          if (process.env.ERROR_LOG === true) { console.log('[ERROR] ' + MODULE_NAME + ' -> decodeToken -> onKeyReady -> onVerified -> decoded = ' + decoded) }
+          if (process.env.ERROR_LOG === true) { console.log('[ERROR] ' + MODULE_NAME + ' -> decodeToken -> onKeyReady -> onVerified -> err = ' + err) }
+          callBackFunction(global.DEFAULT_FAIL_RESPONSE)
+          return
+        }
+
+        callBackFunction(global.DEFAULT_OK_RESPONSE, decoded)
+      }
+    }
+  } catch (err) {
+    if (process.env.ERROR_LOG === true) { console.log('[ERROR] ' + MODULE_NAME + ' -> decodeToken -> err = ' + err) }
+    callBackFunction(global.DEFAULT_FAIL_RESPONSE)
+  }
+}
+
+module.exports = decodeToken
@@ -0,0 +1,8 @@
+{
+  "errors": [
+    {
+      "code": 401,
+      "message": "Wait, you're not supposed to be here, go through the gate as everyone else"
+    }
+  ]
+}
@@ -0,0 +1,27 @@
+
+/* Callbacks default responses. */
+
+global.DEFAULT_OK_RESPONSE = {
+  result: 'Ok',
+  message: 'Operation Succeeded'
+}
+
+global.DEFAULT_FAIL_RESPONSE = {
+  result: 'Fail',
+  message: 'Operation Failed'
+}
+
+global.DEFAULT_RETRY_RESPONSE = {
+  result: 'Retry',
+  message: 'Retry Later'
+}
+
+global.CUSTOM_OK_RESPONSE = {
+  result: 'Ok, but check Message',
+  message: 'Custom Message'
+}
+
+global.CUSTOM_FAIL_RESPONSE = {
+  result: 'Fail Because',
+  message: 'Custom Message'
+}
@@ -0,0 +1,65 @@
+
+/* This module imports */
+
+import 'dotenv/config'
+import './globals'
+import logger from './logger'
+import express from 'express'
+import graphqlHTTP from 'express-graphql'
+import schema from './schema/schema'
+import mongoose from 'mongoose'
+import checkJwt from './auth/jwt'
+import wrongPreshared from './errors/notAllowed.json'
+import cors from 'cors'
+
+require('dotenv').config()
+
+const app = express()
+
+  // Checking preshared key
+app.post('/graphql', (req, res, next) => {
+  if (req.headers.preshared === process.env.USERS_API_PRESHARED) {
+    next()
+  } else {
+    logger.error('Wrong Pre-Shared Received', req.headers.preshared)
+    res.send(wrongPreshared)
+  }
+})
+
+  // Allow crosss-origin requests
+app.use(cors())
+
+  // Database Connection
+  mongoose.connect(process.env.MONGO_URL, { useNewUrlParser: true })
+
+mongoose.connection.once('open', () => {
+  logger.info('Connected to the DB.')
+})
+
+  /* Here we bind all requests to this endpoint to be procecced by the GraphQL Library. */
+
+app.get('/graphql', graphqlHTTP({
+  schema,
+  graphiql: true
+}))
+
+app.post('/graphql', graphqlHTTP(req => {
+  return {
+    schema,
+    graphiql: false,
+    context: {
+      user: req.user,
+      userId: req.headers.userid
+    }
+  }
+}))
+
+app.post('/graphql', checkJwt, (err, req, res, next) => {
+  if (err) return res.status(401).send(`[Authenticate Token Error] ${err.message}`)
+  next()
+})
+
+app.listen(4000, () => {
+  logger.info('Now listening for requests on port 4000')
+})
+
@@ -0,0 +1,41 @@
+import { createLogger, format, transports } from 'winston'
+const { combine, timestamp, simple } = format
+import { inspect } from 'util'
+
+const options = {
+  file: {
+    level: 'info',
+    filename: '../logs/app.log',
+    handleExceptions: true,
+    json: true,
+    maxsize: 5242880, // 5MB
+    maxFiles: 5,
+    colorize: false,
+    timestamp: true
+  },
+  console: {
+    level: 'debug',
+    handleExceptions: true,
+    json: false,
+    colorize: true,
+    timestamp: true
+  }
+}
+
+const logger = createLogger({
+  level: 'info',
+  format: format.combine(
+          format.colorize(),
+          format.timestamp({ format: 'YY/MM/DD HH:mm' }),
+          format.printf(
+            info => `${info.timestamp} - ${info.level}: ${JSON.parse(JSON.stringify(inspect(info.message)))}`
+          )
+  ),
+  transports: [
+    new transports.File(options.file),
+    new transports.Console(options.console)
+  ],
+  exitOnError: false // do not exit on handled exceptions
+})
+
+export default logger
@@ -0,0 +1,28 @@
+
+/* This is the database schema definition for the User Collection in Mongo DB */
+
+const mongoose = require('mongoose')
+const Schema = mongoose.Schema
+
+const userSchema = new Schema({
+  authId: String,
+  referrerId: String,
+  creationDate: Number,
+  alias: String,
+  firstName: String,
+  middleName: String,
+  lastName: String,
+  email: String,
+  emailVerified: Boolean,
+  bio: String,
+  isDeveloper: Boolean,
+  isTrader: Boolean,
+  isDataAnalyst: Boolean,
+  roleId: String,
+  avatarHandle: String,
+  avatarChangeDate: String,
+  sessionToken: String
+})
+
+global.UserSchema = global.UserSchema || mongoose.model('User', userSchema)
+module.exports = global.UserSchema
@@ -0,0 +1,468 @@
+const MODULE_NAME = 'schema'
+
+import logger from '../logger'
+import _ from 'lodash'
+import User from '../models/user'
+import tokenDecoder from '../auth/token-decoder'
+
+const graphql = require('graphql')
+
+const {
+  GraphQLObjectType,
+  GraphQLString,
+  GraphQLSchema,
+  GraphQLID,
+  GraphQLInt,
+  GraphQLList,
+  GraphQLNonNull
+} = graphql // Destructuring this variables from inside the package.
+
+let roles = [
+  {id: '1', name: 'Not Defined'},
+  {id: '2', name: 'Developer'},
+  {id: '3', name: 'Trader'},
+  {id: '4', name: 'Data Analyst'}
+]
+
+// Types
+
+const UserType = new GraphQLObjectType({
+  name: 'User',
+  fields: () => ({
+    id: { type: GraphQLID},
+    authId: { type: GraphQLString},
+    referrerId: {type: GraphQLString},
+    alias: {type: GraphQLString},
+    firstName: {type: GraphQLString},
+    middleName: {type: GraphQLString},
+    lastName: {type: GraphQLString},
+    bio: {type: GraphQLString},
+    email: {type: GraphQLString},
+    emailVerified: {type: GraphQLInt},
+    isDeveloper: {type: GraphQLInt},
+    isTrader: {type: GraphQLInt},
+    isDataAnalyst: {type: GraphQLInt},
+    avatarHandle: {type: GraphQLString},
+    avatarChangeDate: {type: GraphQLString},
+    sessionToken: {type: GraphQLString},
+    role: {
+      type: RoleType,
+      resolve (parent, args) {
+        return _.find(roles, {id: parent.roleId})
+      }
+    }
+  })
+})
+
+const DescendentType = new GraphQLObjectType({
+  name: 'Descendent',
+  fields: () => ({
+    id: { type: GraphQLID},
+    referrerId: {type: GraphQLString},
+    alias: {type: GraphQLString},
+    firstName: {type: GraphQLString},
+    middleName: {type: GraphQLString},
+    lastName: {type: GraphQLString},
+    descendents: {
+      type: new GraphQLList(DescendentType),
+      resolve (parent, args) {
+        return User.find({referrerId: parent.id})
+      }
+    }
+  })
+})
+
+const RoleType = new GraphQLObjectType({
+  name: 'Role',
+  fields: () => ({
+    id: { type: GraphQLID},
+    name: {type: GraphQLString},
+    users: {
+      type: new GraphQLList(UserType),
+      resolve (parent, args) {
+        return User.find({roleId: parent.id})
+      }
+    }
+  })
+})
+
+// RootQueries
+
+const RootQuery = new GraphQLObjectType({
+  name: 'RootQueryType',
+  fields: {
+    user: {
+      type: UserType,
+      args: {id: {type: GraphQLID}},
+      resolve (parent, args) {
+          // Code to get data from data source.
+        return User.findById(args.id)
+      }
+    },
+    userByAuthId: {
+      type: UserType,
+      args: {authId: {type: GraphQLString}},
+      resolve (parent, args) {
+          // Code to get data from data source.
+
+        if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> RootQuery -> userByAuthId -> resolve -> Entering function.') }
+
+          /* In order to be able to wait for asyc calls to the database, we need to return a promise to GraphQL. */
+
+        const promiseToGraphQL = new Promise((resolve, reject) => {
+          if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> RootQuery -> userByAuthId -> resolve -> Promise -> Entering function.') }
+          if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> RootQuery -> userByAuthId -> resolve -> Promise -> args.authId = ' + args.authId) }
+
+          findUserByAuthId(args.authId, onUserFound)
+
+          function onUserFound (err, responseToGraphQL) {
+            if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> RootQuery -> userByAuthId -> resolve -> Promise -> onUserFound -> Entering function.') }
+            if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> RootQuery -> userByAuthId -> resolve -> Promise -> onUserFound -> responseToGraphQL = ' + JSON.stringify(responseToGraphQL)) }
+
+            if (err.result !== global.DEFAULT_OK_RESPONSE.result) {
+              if (process.env.ERROR_LOG === true) { logger.error('[ERROR] ' + MODULE_NAME + ' -> RootQuery -> userByAuthId -> resolve -> Promise -> onUserFound -> err.message = ' + err.message) }
+              reject(responseToGraphQL)
+            } else {
+              resolve(responseToGraphQL)
+            }
+          }
+        })
+
+        return promiseToGraphQL
+      }
+    },
+    role: {
+      type: RoleType,
+      args: {id: {type: GraphQLID}},
+      resolve (parent, args) {
+          // Code to get data from data source.
+        return _.find(roles, {id: args.id})
+      }
+    },
+    users: {
+      type: new GraphQLList(UserType),
+      resolve (parent, args) {
+        return User.find({})
+      }
+    },
+    roles: {
+      type: new GraphQLList(RoleType),
+      resolve (parent, args) {
+        return roles
+      }
+    },
+    usersSearch: {
+      type: new GraphQLList(UserType),
+      args: {alias: {type: GraphQLString}, firstName: {type: GraphQLString}, middleName: {type: GraphQLString}, lastName: {type: GraphQLString}},
+      resolve (parent, args) {
+        if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> RootQuery -> usersSearch -> resolve -> Entering function.') }
+
+        let mongoQuery = { $or: [] }
+
+        if (args.alias !== null && args.alias !== '') { mongoQuery.$or.push({alias: args.alias}) }
+        if (args.firstName !== null && args.firstName !== '') { mongoQuery.$or.push({firstName: args.firstName}) }
+        if (args.middleName !== null && args.middleName !== '') { mongoQuery.$or.push({middleName: args.middleName}) }
+        if (args.lastName !== null && args.lastName !== '') { mongoQuery.$or.push({lastName: args.lastName}) }
+
+        if (mongoQuery.$or.length === 0) { mongoQuery = {} }
+
+        return User.find(mongoQuery)
+      }
+    },
+    descendents: {
+      type: new GraphQLList(DescendentType),
+      args: {id: {type: GraphQLString}},
+      resolve (parent, args) {
+        if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> RootQuery -> descendents -> resolve -> Entering function.') }
+
+        return User.find({referrerId: args.id})
+      }
+    }
+  }
+})
+
+// Mutations
+
+const Mutation = new GraphQLObjectType({
+  name: 'Mutation',
+  fields: {
+    authenticate: {
+      type: UserType,
+      args: {
+        idToken: {type: new GraphQLNonNull(GraphQLString)}
+      },
+      resolve (parent, args) {
+        if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> Mutation -> authenticate -> resolve -> Entering function.') }
+
+        /* In order to be able to wait for asyc calls to the database, and authorization authority, we need to return a promise to GraphQL. */
+
+        const promiseToGraphQL = new Promise((resolve, reject) => {
+          if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> Mutation -> authenticate -> resolve -> Promise -> Entering function.') }
+          authenticate(args.idToken, onAuthenticated)
+
+          function onAuthenticated (err, responseToGraphQL) {
+            if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> Mutation -> authenticate -> resolve -> Promise -> onAuthenticated -> Entering function.') }
+            if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> Mutation -> authenticate -> resolve -> Promise -> onAuthenticated -> responseToGraphQL = ' + JSON.stringify(responseToGraphQL)) }
+
+            if (err.result !== global.DEFAULT_OK_RESPONSE.result) {
+              if (process.env.ERROR_LOG === true) { logger.error('[ERROR] ' + MODULE_NAME + ' -> Mutation -> authenticate -> resolve -> Promise -> onAuthenticated -> err.message = ' + err.message) }
+              reject(responseToGraphQL)
+            } else {
+              resolve(responseToGraphQL)
+            }
+          }
+        })
+
+        return promiseToGraphQL
+      }
+    },
+    updateUser: {
+      type: UserType,
+      args: {
+        firstName: {type: GraphQLString},
+        middleName: {type: GraphQLString},
+        lastName: {type: GraphQLString},
+        bio: {type: GraphQLString},
+        isDeveloper: {type: GraphQLInt},
+        isTrader: {type: GraphQLInt},
+        isDataAnalyst: {type: GraphQLInt},
+        roleId: {type: new GraphQLNonNull(GraphQLString)}
+      },
+      resolve (parent, args, context) {
+        let key = {
+          _id: context.userId
+        }
+
+        let updatedUser = {
+          firstName: args.firstName,
+          middleName: args.middleName,
+          lastName: args.lastName,
+          bio: args.bio,
+          isDeveloper: args.isDeveloper,
+          isTrader: args.isTrader,
+          isDataAnalyst: args.isDataAnalyst,
+          roleId: args.roleId
+        }
+
+        return User.update(key, updatedUser)
+      }
+    },
+    updateUserReferrer: {
+      type: UserType,
+      args: {
+        referrerId: {type: GraphQLString}
+      },
+      resolve (parent, args, context) {
+        let key = {
+          _id: context.userId,
+          referrerId: null
+        }
+
+        let updatedUser = {
+          referrerId: args.referrerId
+        }
+
+        return User.update(key, updatedUser)
+      }
+    },
+    updateSessionToken: {
+      type: UserType,
+      args: {
+        userId: {type: GraphQLString},
+        sessionToken: {type: GraphQLString}
+      },
+      resolve (parent, args) {
+        let key = {
+          _id: decodeURI(args.userId)
+        }
+
+        let updatedUser = {
+          sessionToken: args.sessionToken
+        }
+
+        return User.update(key, updatedUser)
+      }
+    }
+  }
+})
+
+function findUserByAuthId (authId, callBackFunction) {
+  try {
+    if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> findUserByAuthId -> Entering function.') }
+    if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> findUserByAuthId -> authId = ' + authId) }
+
+    if (authId === null || authId === undefined) {
+      if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> findUserByAuthId -> User requested not specified.') }
+      if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> findUserByAuthId -> args.authId = ' + authId) }
+
+      callBackFunction(global.DEFAULT_FAIL_RESPONSE, { error: 'Bad Request' })
+      return
+    }
+
+    User.findOne({authId: authId}, onUserReceived)
+
+    function onUserReceived (err, user) {
+      if (err) {
+        if (ERROR_LOG === true) { logger.error('[ERROR] ' + MODULE_NAME + ' -> findUserByAuthId -> onUserReceived -> Database Error.') }
+        if (ERROR_LOG === true) { logger.error('[ERROR] ' + MODULE_NAME + ' -> findUserByAuthId -> onUserReceived -> err = ' + err) }
+        callBackFunction(global.DEFAULT_FAIL_RESPONSE, { error: err })
+      } else {
+        if (user === null) {
+          if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> findUserByAuthId -> onUserReceived -> User not found at Database.') }
+          if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> findUserByAuthId -> onUserReceived -> args.authId = ' + authId) }
+
+          let customResponse = {
+            result: global.CUSTOM_OK_RESPONSE.result,
+            message: 'User Not Found'
+          }
+
+          callBackFunction(customResponse, { error: customResponse.message })
+          return
+        }
+
+        if (user.authId === authId && user.authId !== undefined) {
+          if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> findUserByAuthId -> onUserReceived -> User found at Database.') }
+          if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> findUserByAuthId -> onUserReceived -> args.authId = ' + authId) }
+
+          callBackFunction(global.DEFAULT_OK_RESPONSE, user)
+          return
+        } else {
+          if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> findUserByAuthId -> onUserReceived -> User found at Database is not the user requested.') }
+          if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> findUserByAuthId -> onUserReceived -> args.authId = ' + authId) }
+          if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> findUserByAuthId -> onUserReceived -> user.authId = ' + user.authId) }
+
+          callBackFunction(global.DEFAULT_FAIL_RESPONSE, { error: err })
+          return
+        }
+      }
+    }
+  } catch (err) {
+    if (process.env.ERROR_LOG === true) { logger.error('[ERROR] ' + MODULE_NAME + ' -> findUserByAuthId -> err.message = ' + err.message) }
+    callBackFunction(global.DEFAULT_FAIL_RESPONSE, { error: err })
+  }
+}
+
+function authenticate (encodedToken, callBackFunction) {
+  try {
+    if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> authenticate -> Entering function.') }
+
+    let authId = ''
+    let alias = ''
+    let email = ''
+    let emailVerified = false
+
+    tokenDecoder(encodedToken, onValidated)
+
+    function onValidated (err, decodedToken) {
+      if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> authenticate -> onValidated -> Entering function.') }
+
+      if (err.result !== global.DEFAULT_OK_RESPONSE.result) {
+        if (process.env.ERROR_LOG === true) { logger.error('[ERROR] ' + MODULE_NAME + ' -> authenticate -> onValidated -> err.message = ' + err.message) }
+        callBackFunction(global.DEFAULT_FAIL_RESPONSE, { error: err })
+        return
+      }
+
+      /*
+
+      Ok, the user was correctly authenticated. Next we need to know if this logged in user
+      has already been added to this module's database or not yet.
+
+      */
+
+      authId = decodedToken.sub
+      alias = decodedToken.nickname
+      email = decodedToken.email
+      emailVerified = decodedToken.email_verified
+
+      findUserByAuthId(authId, onUserFound)
+
+      function onUserFound (err, user) {
+        if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> authenticate -> onValidated -> onUserFound -> Entering function.') }
+
+        if (err.result === global.DEFAULT_FAIL_RESPONSE.result) {
+          if (process.env.ERROR_LOG === true) { logger.error('[ERROR] ' + MODULE_NAME + ' -> authenticate -> onValidated -> onUserFound -> err.message = ' + err.message) }
+          callBackFunction(global.DEFAULT_FAIL_RESPONSE, { error: err })
+          return
+        }
+
+        if (err.result === global.DEFAULT_OK_RESPONSE.result) {
+          if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> authenticate -> onValidated -> onUserFound -> User already exists at database') }
+
+          if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> authenticate -> onValidated -> onUserFound -> Existing User: ' + JSON.stringify(user)) }
+
+          callBackFunction(global.DEFAULT_OK_RESPONSE, { authId: authId, alias: user.alias })
+          return
+        }
+
+        if (
+          err.result === global.CUSTOM_OK_RESPONSE.result &&
+          err.message === 'User Not Found'
+        ) {
+          if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> authenticate -> onValidated -> onUserFound -> User does not exist at database') }
+
+          /*
+
+          The authenticated user is NOT at our module database. We need to add him.
+          We will take from the authentication provider the basic information it knows about the logged in users
+          and save it as an initial set of data, which can later be modified.
+
+          */
+
+          /* The user can sign up with many different possible social accounts. Currently this module only supports Github only. */
+
+          let authArray = authId.split('|')
+          let socialAccountProvider = authArray[0]
+
+          if (
+            socialAccountProvider !== 'github' &&
+            socialAccountProvider !== 'auth0'
+          ) {
+            if (process.env.ERROR_LOG === true) { logger.error('[ERROR] ' + MODULE_NAME + ' -> authenticate -> onValidated -> onUserFound -> Social Account Provider not Supoorted. ') }
+            if (process.env.ERROR_LOG === true) { logger.error('[ERROR] ' + MODULE_NAME + ' -> authenticate -> onValidated -> onUserFound -> socialAccountProvider = ' + socialAccountProvider) }
+
+            callBackFunction(global.DEFAULT_FAIL_RESPONSE, { error: err })
+            return
+          }
+
+          let localDate = new Date()
+          let creationDate = localDate.valueOf()
+
+          let newUser = new User({
+            alias: alias,
+            authId: authId,
+            creationDate: creationDate,
+            email: email,
+            emailVerified: emailVerified,
+            roleId: '1'
+          })
+
+          if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> authenticate -> onValidated -> onUserFound -> ' + alias + ' being added to the database') }
+
+          newUser.save(onSaved)
+
+          function onSaved (err, savedUser) {
+            if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> authenticate -> onValidated -> onUserFound -> onSaved -> Entering function.') }
+
+            if (err) {
+              if (process.env.ERROR_LOG === true) { logger.error('[ERROR] ' + MODULE_NAME + ' -> authenticate -> onValidated -> onUserFound -> onSaved -> err = ' + err) }
+              callBackFunction(global.DEFAULT_FAIL_RESPONSE, { error: err })
+              return
+            }
+
+            if (process.env.INFO_LOG === true) { logger.debug('[INFO] ' + MODULE_NAME + ' -> authenticate -> onValidated -> onUserFound -> onSaved -> Saved User: ' + JSON.stringify(savedUser)) }
+
+            callBackFunction(global.DEFAULT_OK_RESPONSE, { authId, alias })
+          }
+        }
+      }
+    }
+  } catch (err) {
+    if (process.env.ERROR_LOG === true) { logger.error('[ERROR] ' + MODULE_NAME + ' -> authenticate -> err.message = ' + err.message) }
+    callBackFunction(global.DEFAULT_FAIL_RESPONSE, { error: err })
+  }
+}
+
+module.exports = new GraphQLSchema({
+  query: RootQuery,
+  mutation: Mutation
+})
@@ -0,0 +1,9 @@
+const getItem = async name => window.localStorage.getItem(name)
+const setItem = async (name, value) => window.localStorage.setItem(name, value)
+const removeItem = async name => window.localStorage.removeItem(name)
+
+export {
+  getItem,
+  setItem,
+  removeItem
+}