CatRequest CatResponse
Cliente DTO Controlador Servicio Repositorio BD / Tablas Contrato Entidades ORM
v1
v2
C1 -> S2 -> R3 -> BD acoplamiento
Mock
Nest/Angular
Test -> C1 -> Mock(S2) Test -> S2 -> Mock(R3)
class C1 { constructor(private s2: S2) {}
}
nx ng jest cypress nest jest cypress
Controlador
nestjs express fastlify
app.get('/version', req, res) => { res.status(200).json({ version: '1.2.3'})
}
CORS Logging Autenticacion Serizador XML
req -> M1 -> M2 -> M3 -> M4 -> Controlardor
f(req, next) => { req.body -> JSON const res = next()
res.a = 111
return res.bofy;
}
PIPEs
numer dates ISO 8601 2023-03-31 -> hora local 2023-03-31T23:59:59Z
BODY { createdAt: '2023-03-31T23:59:59Z ' modifiedAt: '2023-03-31T23:59:59Z' }
coass DTOMessaa { createdAt: Date;
}
app1.acme.com ->
ang
nest JWT 20m
id.acme.com ->
LDAP -
user/pass
app1.acme.com
ng -> app1.acme.com ->
Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c
user, hash, 2FA central usuario SSO 50
google -> google -> app1 pjmolina@gmail.com Autenticando pjmolina@gmail.com app1 operador github facebook twitter id.metadev.pro openid
JWT OAuth2 OpenID KeyCloak Saml2
nest -> express -> passport ->
Endpoint -> Role -> Usuario
Endpoint -> User->permisos /cat wr lista blanca/negra
KeyCloack
RBAC
callback openfile('a.mpg4', (err, data) => {})
promise a.then(data => {}).catch(err =>{}).finally() lanzas ----------- b m
rxjs
Observables const sub = ob.subscribe({ next: (data) => {}, N error: (err) => {} done: () => {} })
const ob1 = from([1,2,3,4,5,6]).pipe( first(), map(it => it * 2), map(it => it * 3), tap(it => it ) catchError() );
ob1.subscribe({ next: (data) => { console.log(data); // 2 2 3 4 5 12 } })
sub.unsubuscribe();
Ws -> d1 d32 d323 suscrito
[1,2,3,4, 5,6,7, 5].max(7)
App ModuloPpal StoreModule import Shared CheckoutModule RRHHModule cronModule SharedModule pipe directr
conv env rrhh enabled /disabled
angular / -> /store
backend carga perezosa
nest AppModule CatModule import SharedModule DogModule import SharedModule SharedModule shred
Holliwood Principle.
nest -> service implements OnInit onInit() {}
https://stackoverflow.com/questions/49504765/debugging-nest-js-application-with-vscode
docker run --name mongodb -d -p 27017:27017 mongo:latest --storageEngine wiredTigerCreacion con CURL:
curl -X POST http://localhost:3333/api/cat -H 'Content-type: application/json' -d '{"name" : "cat2","color" : "blue", "breed" : "fish"}'curl -X PUT http://localhost:3333/api/cat/640a147d1e8fe48063f1a5fa -H 'Content-type: application/json' -d '{"name" : "cat2","color" : "dark blue", "breed" : "tuna", "id":"640a147d1e8fe48063f1a5fa"}'GET
curl http://localhost:3333/api/catDespliegue: artifacto (git) + configuracion de entorno LOCAL | DEV | QA | PRO
ficheros json yaml .env env vars
Usamos configuracion con ficheros .env
Para saber mas: https://12factor.net/es/
Para hacer e2e: cypress.io
Cache memoria browser loadBalancer i1 CO soleado ---> tiempo CO i2 CO soleado ---> tiempo CO
Alta disponiblidad
browser loadBalancer i1 ---> tiempo CO
i2
x redis1 CO soleado, 24H
redis2 CO soleado
redis3 CO soleado
fib(n) = fib(n-2) + fib(n-1) / sql / servicio extern x seg / 1-3ms
¿por cuanto tiempo cachear? eternamente 30d - math tiempo en CO 3H cliente -> 3H consustencia eventual
Redis:Semaforo v/r
browser loadBalancer i1 s1 ---> tiempo CO
i2
i3
cron/unix 3H 1 fichero
Colas:
REST req > res
web cliente -> DTO -> servidor x <--
Colas Q1 Workers
cliente -> DTO || 1 Servidor x |--a| Dead-Queue N Servidor
Seguridad Autenticacion -> 401 Not authenticated. Local ---> la app se encarga tabla user, pass JWT/OAuth
Single Sign On
CA
ISSUER id.acme.com ---> JWT -> JWT.io { sub:123, name:'Pedro', email:'', work:'develper'. country: 'US', roles: ['rrhh', 'dev', 'sales'] }
app1.acme.com
audiencia app2.acme.com -> 301 Redirect -> id.acme.com Authentication: Bearer sdlkaldklasdklaskdlsa maria 20 n
Autorizacion -> 403 Not Authorized. Forbidden ¿que permisos tienes? pedro -> admin / operador / solo lectura / role3
RBAC Role Based Access Security
U -> Role -> Aplicaion Conjunto Permisos
A -> R(admin) -> C.crea.gatos C/endi
U -> rol
Para Keycloak -> Openid Client -> https://www.passportjs.org/packages/openid-client/
Encriptacion Encriptacion Simetrica A -> f(1234) -> TCF --> f'(1234) -> A AES, TRIPLE DES
Encriptacion Asimetrica RSA 1024 2048bis. ECDA curva eliptica El Gamal A -> enc(pub2) -> XHAH --> des(pri2) -> A A -> enc(pri1) -> XHAH --> des(pub1) -> A
A -> enc(enc(pri1),pub2) -> XHAH --> des(des(pub1), pri2) -> A
SSL/TLS https://
SSH/ telnet rsa
X503.
Persona 1 pub1 13 -> publico pri1 (7) *
Persona 2 pub2 (23) --> pri2 109 *
Datos personales datos cifrados - LOPD a@aasda,
tabla username password pedroj sha256:abc:asduiuirewwq23409320 -> abc+1234 -> SHA256 MD5 sha256:zga:9lewrkopi43o2i4o23io
CORS: browser --> wifi publica ---> https://www.acme.com mismo protocolo, mismo hostname, mismo puerto POST https://www.acme.com/login --> POST https://www.acme.c0m/login -->
origin: https://www.acme.com:443
SPA Angular -> https://www.acme.com nginx -> estacios API: https://www.acme.com/api nginx -> contendor
SPA Angular -> https://www.acme.com origin
API: https://api.acme.com CORS --> ['https://www.acme.com:443', 'https://w2.abc.es:443', ]
API: https://api.weather.org
browser <- CORS OPTIONS https://api.acme.com/pizza
POST https://api.acme.com/pizza
El serviro es el que autoriza a los clientes basandose en el ORIGIN.
nest -> cors
dev: localhost -> DES CORS
Content-Security-Policy: default-src 'self'
Content-Security-Policy: default-src 'self';base-uri 'self';font-src 'self' https: data:;form-action 'self';frame-ancestors 'self';img-src 'self' data:;object-src 'none';script-src 'self';script-src-attr 'none'; style-src 'self' https://cdn.fast.com 'unsafe-inline';upgrade-insecure-requests
cdn.fast.com/style.css
GET http://www.acme.com:80 // GET https://www.acme.com:443 // POST SSL
Client
GET /
Accept application/json+v2,html,
FICHEROS IMAGENES CHUNK Streams GZIP
grandes imagenes video audio
fs* db s3 azure blobs url
> 1M
url. aws.s3.za.amazon.com/sdf?expira=30s&crc
nginx varnish node fs.mp4 gzip fs.mp4.gz xml json compression
varnish