decode jwt token in angular

import { Injectable } from '@angular/core';
import * as jwt_decode from 'jwt-decode';
 
@Injectable()
export class JWTTokenService {
 
    jwtToken: string;
    decodedToken: { [key: string]: string };
 
    constructor() {
    }
 
    setToken(token: string) {
      if (token) {
        this.jwtToken = token;
      }
    }
 
    decodeToken() {
      if (this.jwtToken) {
      this.decodedToken = jwt_decode(this.jwtToken);
      }
    }
 
    getDecodeToken() {
      return jwt_decode(this.jwtToken);
    }
 
    getUser() {
      this.decodeToken();
      return this.decodedToken ? this.decodedToken.displayname : null;
    }
 
    getEmailId() {
      this.decodeToken();
      return this.decodedToken ? this.decodedToken.email : null;
    }
 
    getExpiryTime() {
      this.decodeToken();
      return this.decodedToken ? this.decodedToken.exp : null;
    }
 
    isTokenExpired(): boolean {
      const expiryTime: number = this.getExpiryTime();
      if (expiryTime) {
        return ((1000 * expiryTime) - (new Date()).getTime()) < 5000;
      } else {
        return false;
      }
    }
}

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Julia Hoang 140 points

                                    import&nbsp;jwt_decode&nbsp;from&nbsp;&quot;jwt-decode&quot;;
var&nbsp;token&nbsp;=&nbsp;&quot;eyJ0eXAiO...&quot;;
var&nbsp;decoded&nbsp;=&nbsp;jwt_decode(token);
console.log(decoded);

/*&nbsp;prints:&nbsp;*&nbsp;{&nbsp;foo:&nbsp;&quot;bar&quot;,&nbsp;*&nbsp;&nbsp;&nbsp;exp:&nbsp;1393286893,&nbsp;*&nbsp;&nbsp;&nbsp;iat:&nbsp;1393268893&nbsp;&nbsp;}&nbsp;*/

Thank you! 10

3.8

Miguel Duran Diaz 90 points

                                    let b64DecodeUnicode = str =&gt;
  decodeURIComponent(
    Array.prototype.map.call(atob(str), c =&gt;
      '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2)
    ).join(''))

let parseJwt = token =&gt;
  JSON.parse(
    b64DecodeUnicode(
      token.split('.')[1].replace('-', '+').replace('_', '/')
    )
  )

Thank you! 5

3.8 (5 Votes)

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decode jwt token in angular

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