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How to use jwt method in Best

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sagas.ts

Source:sagas.ts

1import { call, Effect, fork, put, select } from "redux-saga/effects";2import { calculateTimeLeft } from "../../../components/shared/utils";3import { TMessage } from "../../../components/translatedMessages/utils";4import { TGlobalDependencies } from "../../../di/setupBindings";5import { ICreateJwtEndpointResponse } from "../../../lib/api/auth/SignatureAuthApi";6import { getJwtExpiryDate, hasValidPermissions } from "../../../utils/JWTUtils";7import { EthereumAddressWithChecksum } from "../../../utils/opaque-types/types";8import { EDelayTiming, safeDelay } from "../../../utils/safeTimers";9import { accessWalletAndRunEffect } from "../../access-wallet/sagas";10import { actions } from "../../actions";11import { neuCall, neuTakeLatest } from "../../sagasUtils";12import { selectEthereumAddressWithChecksum } from "../../web3/selectors";13import { AUTH_JWT_TIMING_THRESHOLD, AUTH_TOKEN_REFRESH_THRESHOLD } from "../constants";14import { JwtNotAvailable, MessageSignCancelledError } from "../errors";15import { selectJwt } from "../selectors";16/**17 * Load to store jwt from browser storage18 */19export function* loadJwt({ jwtStorage }: TGlobalDependencies): Iterator<Effect> {20  return jwtStorage.get();21}22/**23 * Save jwt to the browser storage and update the store24 */25export function* setJwt({ jwtStorage }: TGlobalDependencies, jwt: string): Iterator<any> {26  jwtStorage.set(jwt);27  yield put(actions.auth.setJWT(jwt));28}29/**30 * Generates and invokes a signer to sign a challenge.31 */32function* signChallenge(33  { web3Manager, signatureAuthApi, cryptoRandomString, logger }: TGlobalDependencies,34  permissions: Array<string> = [],35): Iterator<any> {36  const address: EthereumAddressWithChecksum = yield select(selectEthereumAddressWithChecksum);37  const salt = cryptoRandomString({ length: 64 });38  if (!web3Manager.personalWallet) {39    throw new Error("Wallet unavailable Error");40  }41  const signerType = web3Manager.personalWallet.getSignerType();42  logger.info("Obtaining auth challenge from api");43  const {44    body: { challenge },45  } = yield signatureAuthApi.challenge(address, salt, signerType, permissions);46  logger.info("Signing challenge");47  const signedChallenge = yield web3Manager.personalWallet.signMessage(challenge);48  logger.info("Challenge signed");49  return {50    challenge,51    signedChallenge,52    signerType,53  };54}55/**56 * Create new JWT from the authentication server.57 */58export function* createJwt(59  { signatureAuthApi, logger }: TGlobalDependencies,60  permissions: Array<string> = [],61): Iterator<any> {62  logger.info("Creating jwt");63  const { signedChallenge, challenge, signerType } = yield neuCall(signChallenge, permissions);64  logger.info("Sending signed challenge back to api");65  const { jwt }: ICreateJwtEndpointResponse = yield signatureAuthApi.createJwt(66    challenge,67    signedChallenge,68    signerType,69  );70  yield neuCall(setJwt, jwt);71  logger.info("Jwt created successfully");72}73/**74 * Escalate JWT with the authentication server.75 * Used to add additional permissions to existing JWT76 */77export function* escalateJwt(78  { signatureAuthApi, logger }: TGlobalDependencies,79  permissions: Array<string> = [],80): Iterator<any> {81  const currentJwt: string = yield select(selectJwt);82  if (!currentJwt) {83    throw new JwtNotAvailable();84  }85  logger.info("Escalating jwt");86  const { signedChallenge, challenge, signerType } = yield neuCall(signChallenge, permissions);87  logger.info("Sending signed challenge back to api");88  const { jwt }: ICreateJwtEndpointResponse = yield signatureAuthApi.escalateJwt(89    challenge,90    signedChallenge,91    signerType,92  );93  yield neuCall(setJwt, jwt);94  logger.info("Jwt escalated successfully");95}96/**97 * Refresh JWT with new default expire date.98 * Permissions expire dates left untouched.99 */100export function* refreshJWT({ signatureAuthApi, logger }: TGlobalDependencies): Iterator<any> {101  logger.info("Refreshing jwt");102  const { jwt }: ICreateJwtEndpointResponse = yield signatureAuthApi.refreshJwt();103  yield neuCall(setJwt, jwt);104  logger.info("Jwt refreshed successfully");105}106/**107 * Saga to ensure all the needed permissions are present and still valid on the current jwt108 * If needed permissions are not present/valid will escalate permissions with authentication server109 */110export function* ensurePermissionsArePresentAndRunEffect(111  { logger }: TGlobalDependencies,112  effect: Iterator<any>,113  permissions: Array<string> = [],114  title: TMessage,115  message?: TMessage,116  inputLabel?: TMessage,117): Iterator<any> {118  const jwt: string = yield select(selectJwt);119  // check whether all permissions are present and still valid120  if (jwt && hasValidPermissions(jwt, permissions)) {121    yield effect;122    return;123  }124  // obtain a freshly signed token with missing permissions125  try {126    const obtainJwtEffect = neuCall(escalateJwt, permissions);127    yield call(accessWalletAndRunEffect, obtainJwtEffect, title, message, inputLabel);128    yield effect;129  } catch (error) {130    if (error instanceof MessageSignCancelledError) {131      logger.info("Signing Cancelled");132    } else {133      throw error;134    }135  }136}137/**138 * Refresh jwt before timing out.139 * In case it's not possible will log out user.140 */141export function* handleJwtTimeout({ logger }: TGlobalDependencies): Iterator<any> {142  try {143    const jwt: string | undefined = yield select(selectJwt);144    if (!jwt) {145      throw new JwtNotAvailable();146    }147    const expiryDate = getJwtExpiryDate(jwt);148    const timeLeft = calculateTimeLeft(expiryDate, true, "milliseconds");149    const timeLeftWithThreshold =150      timeLeft >= AUTH_TOKEN_REFRESH_THRESHOLD ? timeLeft - AUTH_TOKEN_REFRESH_THRESHOLD : timeLeft;151    if (AUTH_JWT_TIMING_THRESHOLD > AUTH_TOKEN_REFRESH_THRESHOLD) {152      throw new Error("Timing threshold should be smaller than token refresh threshold");153    }154    const timing: EDelayTiming = yield safeDelay(timeLeftWithThreshold, {155      threshold: AUTH_JWT_TIMING_THRESHOLD,156    });157    // If timing matches exact refresh jwt158    // in case timeout was delayed (for e.g. hibernation), logout with session timeout message159    switch (timing) {160      case EDelayTiming.EXACT:161        yield neuCall(refreshJWT);162        break;163      case EDelayTiming.DELAYED:164        yield put(actions.auth.jwtTimeout());165        break;166    }167  } catch (e) {168    logger.error("Failed to handle jwt timeout", e);169    throw e;170  }171}172export function* authJwtSagas(): Iterator<Effect> {173  yield fork(neuTakeLatest, actions.auth.setJWT, handleJwtTimeout);...

authentication.service.ts

Source:authentication.service.ts

1import { Injectable } from '@angular/core';2import { HttpClient, HttpHeaders } from '@angular/common/http';3import { JwtHelper } from 'angular2-jwt';4import {Router} from '@angular/router';5import { URL } from '../api-url/url';6import {Observable} from 'rxjs';7import {ConfirmationService} from "primeng/api";8import {User} from "../models/user";9@Injectable({10  providedIn: 'root'11})12export class AuthenticationService {13  authenticated: boolean = false;14  jwtToken: string;15  roles: Array<any> = [];16  display: boolean;17  user: User;18  constructor(private http: HttpClient, private router:Router, private confirmationService: ConfirmationService)19  {20    this.jwtToken = this.loadToken();21    if (this.jwtToken){22      this.authenticated = true;23    }24  }25  login(form: User) {26    return  this.http.post(URL+"login", form, { observe: 'response' });27  }28  saveToken(jwtToken) {29    this.jwtToken = jwtToken;30    localStorage.setItem('jwtToken', jwtToken);31    let jwtHelper = new JwtHelper();32    this.roles = jwtHelper.decodeToken(this.jwtToken).roles;33    // this.email = jwtHelper.decodeToken(this.jwtToken).sub;34  }35  getUserAuthenticated(){36    this.jwtToken = localStorage.getItem('jwtToken');37    let jwtHelper = new JwtHelper();38    if (this.jwtToken){39      this.user = jwtHelper.decodeToken(this.jwtToken).user;40      this.roles = jwtHelper.decodeToken(this.jwtToken).roles;41    }42    return this.user ;43  }44  loadToken() {45    this.jwtToken = localStorage.getItem('jwtToken');46    return this.jwtToken;47  }48  register(user) {49    return this.http.put(URL+ "user/register", user);50  }51  resendPassword(email: string){52    return this.http.post(URL+ 'forgotpassword?email='+email, {});53  }54  logout(){55    this.jwtToken= null;56    this.authenticated = false;57    localStorage.removeItem('jwtToken');58  }59  isAdmin(){60    let jwtHelper=new JwtHelper();61    this.jwtToken= localStorage.getItem('jwtToken');62    if (this.jwtToken){63      this.roles=jwtHelper.decodeToken(this.jwtToken).roles;64      for(let r of this.roles) {65        if(r == 'ROLE_LUNCHLADY'){66          return true;67        }68      }69    }70    return false;71  }72  isUser(){73    let jwtHelper=new JwtHelper();74    this.jwtToken= localStorage.getItem('jwtToken');75    if (this.jwtToken){76      this.roles=jwtHelper.decodeToken(this.jwtToken).roles;77      for(let r of this.roles) {78        if(r == 'ROLE_USER'){79          return true;80        }81      }82    }83  }84  show() {85    this.display = true86  }87  onClose() {88    this.display = false89  }...

index.js

Source:index.js

1import Vue from 'vue'2import Vuex from 'vuex'3import jwt_decode from "jwt-decode"4Vue.use(Vuex)5export default new Vuex.Store({6    state: {7        shoppingCart: [],8        jwtToken: null,9        jwtData: null10    },11    getters: {12        getShoppingCart(state) {13            return state.shoppingCart14        },15        isAuthorized(state){16            return state.jwtData != null17        },18        getEmail(state){19            if(!state.jwtData) return null20            return state.jwtData['sub']21        },22        getFirstname(state){23            if(!state.jwtData) return "Kasutaja"24            return state.jwtData['firstname']25        },26        hasRole: (state) => (role) => {27            return state.jwtData['scope'].includes(role)28        }29    },30    mutations: {31        loadCookies(state) {32            state.shoppingCart = JSON.parse(Vue.cookie.get("shopping_cart"))33            state.jwtToken = Vue.cookie.get("jwt")34            if (state.jwtToken) {35                state.jwtData = jwt_decode(state.jwtToken);36            }37            if (!state.shoppingCart) {38                state.shoppingCart = []39            }40        },41        setJwtToken(state, {jwt}) {42            state.jwtToken = jwt43            Vue.cookie.set("jwt", state.jwtToken)44            state.jwtData = jwt_decode(jwt);45        },46        addShoppingItem(state, {item}) {47            state.shoppingCart.push(item)48            Vue.cookie.set("shopping_cart", JSON.stringify(state.shoppingCart))49        },50        changeShoppingItemQuantity(state, {id, amount}) {51            state.shoppingCart[id]['amount'] = amount52            Vue.cookie.set('shopping_cart', JSON.stringify(state.shoppingCart))53        },54        removeShoppingItem(state, {id}) {55            Vue.delete(state.shoppingCart, id)56            Vue.cookie.set("shopping_cart", JSON.stringify(state.shoppingCart))57        },58        logOut(state) {59            Vue.cookie.delete("jwt")60            state.jwtToken = null61            state.jwtData = null62        }63    }...

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