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Secure Design Principles

Defense in Depth

Also known as layered defense, defense in depth is a security principle where single points of complete compromise are eliminated or mitigated by the incorporation of a series or multiple layers of security safeguards and risk-mitigation countermeasures.

Have diverse defensive strategies, so that if one layer of defense turns out to be inadequate, another layer of defense will hopefully prevent a full breach.

Fail Safe

A security principle that aims to maintain confidentiality, integrity and availability by defaulting to a secure state, rapidly recovering software resiliency upon design or implementation failure. In the context of software security, fail secure is commonly used interchangeably with fail safe, which comes from physical security terminology.

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class Recipe {  
  int mango;  
  int milk;  
  int sugar;  
  
  Recipe(this.mango, this.milk, this.sugar);   
  
  int makeMangoShake() {  
    return mango+milk+sugar;  
  }  

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Important SonarLint Rules for JavaScript Development in Crenet

This rules should be enabled in your VSCode Settings (JSON view). Just replace the object you find in your settings with the object below

"sonarlint.rules": {
	
		"Web:BoldAndItalicTagsCheck": {
			"level": "off"
		},

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Framework Coverage

General Concepts

• Endpoint URL Definition
• Postman API Documentation
• Issue tracking via Github Issues
• Git Methodologies
  • Frequent small commits
  • Push task to branch whether complete or incomplete at end of day
• Single issue per Gitflow feature branch

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Service Class Structure

The idea is to have a set of consistent methods that are exposed from the service, the service is a class with static methods.

Generic Methods

getXById
getXByIdentifier
getXBySlug
getX

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import BaseSeeder from '@ioc:Adonis/Lucid/Seeder'
import Database from '@ioc:Adonis/Lucid/Database'
import SettingsCity from 'App/Models/SettingsCity'

export default class SettingsCitiesSeeder extends BaseSeeder {
  public async run() {
    const citiesData = [
      {
        city_label: 'Agege LGA',
        state_id: 25,

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Route.get('posts', async ({ request, view }) => {
  const posts = [
    {
      title: 'Adonis 101',
    },
  ]

  switch (request.accepts(['html', 'json'])) {
    case 'html':
      return view.render('posts/index', { posts })

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export interface ViewDataPayloadStructure {
  viewTemplate: string
  outputData: object
}

export interface ApiDataPayloadStructure {
  statusCode: number
  statusMessage: string
  responseMessage: string
  outputData: object

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import View from "@ioc:Adonis/Core/View"
import { 
  ApiDataPayloadStructure, 
  OutputTypeStructure, 
  ViewDataPayloadStructure
} from "App/Interfaces/viewAndApiOutputInterfaces"

function viewAndApiOutputHelper(outputType: OutputTypeStructure, viewDataPayload: ViewDataPayloadStructure, apiDataPayload: ApiDataPayloadStructure) {
  if (outputType === 'html') {
    return View.render(viewDataPayload.viewTemplate, viewDataPayload.outputData)

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function payloadGeneratorForViewAndApi(data: object | any[], viewTemplate: string, apiResponseMessage: string) {
  const viewDataPayload = {
    viewTemplate: viewTemplate,
    outputData: { data }
  }

  const apiDataPayload = {
    statusCode: 200,
    statusMessage: 'Success',
    responseMessage: apiResponseMessage,