monkov

import {Injectable} from "@angular/core";
import {HttpEvent, HttpHandler, HttpRequest, HttpClient} from "@angular/common/http";
import {HttpInterceptor} from "@angular/common/http";
import { Observable } from 'rxjs/Observable';

@Injectable()
export class AuthInterceptor implements HttpInterceptor
{

    constructor(public http: HttpClient) { }

monkov

providers   : [
    ...
    {
        provide: HTTP_INTERCEPTORS,
        useClass: AuthInterceptor,
        multi: true
    }
    ...
]

monkov

return next.handle(req).catch(err => {
    console.log(err);
    if (err.status === 401) {
        if (err.error.message == "Token is exp") {
            //TODO: Token refreshing
        }else {
            //Logout from account or do some other stuff
        }
    }
    return Observable.throw(err);

monkov

@Injectable()
export class AuthInterceptor implements HttpInterceptor
{

    constructor(private _router: Router) { }


    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>
    {
        let token = localStorage.getItem('api-token');

monkov

//Genrate params for token refreshing
let params = {
  token: token,
  refreshToken: localStorange("refreshToken");
};
return this.http.post('localhost:8080/auth/refresh', params).flatMap(
  (data: any) => {
    //If reload successful update tokens
    if (data.status == 200) {
      //Update tokens

monkov

@Injectable()
export class AuthInterceptor implements HttpInterceptor
{

    constructor(private _router: Router) { }


    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>
    {
        let token = localStorage.getItem('api-token');

monkov

intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>
{
   if (//check if token is expired) {
       if (queue.length == 0) {
          //Reload token here 
          //Start all req from queue
       }else {
          //Put req to the queue
       }
   }else {

monkov

func CreateToken(email, ua, password string) (string, error) {
	//Creating empty slice
	r := make([]byte, 24)
	
	//Push random data to slice
	rand.Read(r)
	
	//Generate secret code for jwt
	secret := sha3.New512().Sum(append([]byte(email + ua + password), r...))

monkov

import axios from 'axios';

export default class authService {
  init = () => {
        this.setInterceptors();
  };
  
  setInterceptors = () => {
        axios.defaults.headers.common['Token'] = localStorage.getItem("token");
        axios.defaults.headers.common['Device'] = "device";

monkov

axios.interceptors.response.use(response => {
            return response;
        }, err => {
            return new Promise((resolve, reject) => {
                const originalReq = err.config;
                if ( err.response.status === 401 && err.config && !err.config.__isRetryRequest )
                {
                    originalReq._retry = true;

                    let res = fetch('http://localhost:8080/api/v1/auth/refresh', {