<?php
namespace AppBundleServices;

use FirebaseJWTJWT;

class JwtAuth{

public $manager;
public $key;

public function __construct($manager){
    $this-> manager = $manager;
    $this-> key = 'soytuclavesecreta12344321';
}
public function signup($email,$password, $getHash = null){
    //Buscamos en la base de datos el usuario con findOneBy
    $user = $this->manager->getRepository('BackendBundle:User')->findOneBy(array(
        "email" => $email,
        "password" => $password
    ));
    $signup = false;
    if(is_object($user)){
        $signup = true;
    }
    if($signup ==true){
        //generar token
        $token = array(
            'sub' => $user->getId(),
            'email' => $user->getEmail(),
            'name' => $user->getName(),
            'surname' => $user->getSurname(),
            'iat' => time(),
            'exp' => time()+(7*24*60*60)
        );

        $jwt = JWT::encode($token, $this->key, 'HS256');
        $decoded = JWT::decode($jwt, $this->key, array('HS256'));

        if($getHash == null){
            $data = $jwt;
        }else{
            $data = $decoded;
        }

    }else{
        $data = array(
            'status' => 'error',
            'data'=> 'Login failed'
        );
    }
    return $data;
}
public function checkToken($jwt,$getIdentity = false){
    $auth = false;
    try{
        $decoded = JWT::decode($jwt, $this->key, array('HS256'));
    }catch(UnexpectedValueException $e){
        $auth = false;
    }catch(DomainException $e){
        $auth = false;
    }
    if(is_object($decoded) && isset($decoded -> sub)){
        $auth = true;
    }else{
        $auth = false;
    }
    if($getIdentity == false){
        return $auth;
    }else{
        return $decoded;
    }
}
}

import { Component, OnInit } from '@angular/core';
import { Router, ActivatedRoute, Params } from '@angular/router';
import {UserService} from '../services/user.service';
@Component({
 selector: 'login',
 templateUrl: '../views/login.html',
 providers: [UserService]
})
export class LoginComponent implements OnInit{
 public title: string;
 public user;
 public identity;
 public token;
 constructor(
 private _route: ActivatedRoute,
 private _router: Router,
 private _userService: UserService
 ){
 this.title = 'Identifícate';
 this.user = {
 "email":"",
 "password":"",
 "gethash": "false"
 };
 }
 ngOnInit(){
 console.log('El componente login.component ha sido cargado');
 console.log(JSON.parse(localStorage.getItem('identity')));
 this.logout();
 this.redirectIfIdentity();
 }

 onSubmit(){
 console.log(this.user);
 this._userService.signup(this.user).subscribe(
 response => {
 this.identity = response;
 if(this.identity.length <= 1){
 console.log('Error en el servidor');
 }{
 if(!this.identity.status){
 localStorage.setItem('identity', JSON.stringify(this.identity));
 //get token
 this.user.getHash=null;
 this._userService.signup(this.user).subscribe(
 response => {
 this.token = response;
 if(this.identity.length <= 1){
 console.log('Error en el servidor');
 }{
 if(this.identity.status){
 localStorage.setItem('token', JSON.stringify(this.identity));

 //window.location.href= "/";
 }
 }
 },
 error => {
 console.log(<any>error)
 }
 );
 }
 }
 },
 error => {
 console.log(<any>error)
 }
 );
 }

import { Injectable } from '@angular/core';
import { Http, Response, Headers } from '@angular/http';
import "rxjs/add/operator/map";
import { Observable } from 'rxjs/Observable';
import { GLOBAL } from './global';
@Injectable()
export class UserService{

 public url: string;
 public identity;
 public token;
 constructor(private _http: Http){
 this.url = GLOBAL.url;
 }
 signup(user_to_login){
 let json = JSON.stringify(user_to_login);
 let params = "json="+json;
 let headers = new Headers({'Content-Type':'application/x-www-form-urlencoded'});
 return this._http.post(this.url+'/login', params, {headers: headers})
 .map(res => res.json());
 }

<div class="col-md-12">

 <h3>{‌{title}}</h3>

 <div class="identity_alert alert alert-success" *ngIf= "identity && identity.sub">
 Te has logueado correctamente Bienvenido {‌{identity.email}}
 </div>

 <div class="identity_alert alert alert-danger" *ngIf= "identity && identity.data">
 No te has logueado correctamente
 </div>

 <form #loginForm="ngForm" (ngSubmit)="onSubmit()" class = "col-md-7 no-padding">

 <p>
 <label>Email:</label>
 <input type="email" class="form-control" name="email" #email="ngModel" [(ngModel)]="user.email" required/>
 <span *ngIf="!email.valid && email.touched">El email no es válido</span>
 </p>

 <p>
 <label>Contraseña:</label>
 <input type="password" class="form-control" name="password" #password="ngModel" [(ngModel)]="user.password"
 required/>
 <span *ngIf="!password.valid && password.touched">La contraseña no es válida</span>
 </p>

 <input type="submit" value="Entrar" class="btn btn-primary"[disabled]="!loginForm.form.valid"/>

 </form>
</div>