Files
raby/common/Service/Login.php
2020-04-10 15:22:00 -04:00

112 lines
3.3 KiB
PHP

<?php
namespace ProVM\NotariaRaby\Common\Service;
use Psr\Http\Message\ServerRequestInterface as Request;
use Carbon\Carbon;
use ProVM\Common\Service\Filemanager;
class Login {
protected $cookie_name;
protected $time_limit;
protected $password;
protected $filename;
protected $manager;
public function __construct(string $cookie_name, int $time_limit, string $base_url, string $encrypted_password, string $login_file, Filemanager $filemanager) {
$this->cookie_name = $cookie_name;
$this->base_url = $base_url;
$this->time_limit = $time_limit;
$this->password = $encrypted_password;
$this->filename = $login_file;
$this->manager = $filemanager;
}
protected $selector;
protected $token;
public function loadCookie() {
if (isset($_COOKIE[$this->cookie_name])) {
list($s, $t) = \explode(':', $_COOKIE[$this->cookie_name]);
$this->selector = $s;
$this->token = $t;
}
}
public function saveCookie() {
$now = Carbon::now();
$exp = $now->addSeconds($this->time_limit);
\setcookie($this->cookie_name, implode(':', [$this->selector, $this->token]), $exp->timestamp, $this->base_url);
}
public function removeCookie() {
\setcookie($this->cookie_name, '', Carbon::now()->timestamp, '/');
}
protected function generateToken() {
$this->selector = bin2hex(\random_bytes(12));
$this->token = bin2hex(\random_bytes(20));
}
protected $data;
public function getData() {
if ($this->data === null) {
$this->data = (object) [
'ip' => 0,
'token' => '',
'time' => 0
];
if ($this->manager->folder('data')->exists($this->filename)) {
$this->data = $this->manager->folder('data')->load($this->filename);
$this->data->time = Carbon::parse($this->data->time);
}
}
}
protected $ip;
public function getIp(Request $request) {
if ($this->ip === null) {
$this->ip = $request->getHeader('host')[0];
}
return $this->ip;
}
protected $is_logged_in;
public function checkAuth(Request $request): bool {
if ($this->is_logged_in === null) {
$this->loadCookie();
if ($this->selector === null) {
$this->is_logged_in = false;
return false;
}
$this->getIp($request);
$this->getData();
if ($this->data->ip != $this->ip) {
$this->is_logged_in = false;
return false;
}
if ($this->data->token != implode(':', [$this->selector, $this->token])) {
$this->is_logged_in = false;
return false;
}
$now = Carbon::now();
if ($this->data->time->copy()->addSeconds($this->time_limit)->diffInSeconds($now->copy()) < 0) {
$this->is_logged_in = false;
}
$this->is_logged_in = true;
}
return $this->is_logged_in;
}
public function login(Request $request): bool {
$post = $request->getParsedBody();
if (!password_verify($post['clave'], $this->password)) {
return false;
}
$this->generateToken();
$this->getIp($request);
$time = Carbon::now();
$data = [
'ip' => $this->ip,
'token' => implode(':', [$this->selector, $this->token]),
'time' => $time->format('Y-m-d H:i')
];
$this->manager->folder('data')->save($this->filename, $data);
$this->saveCookie();
$this->is_logged_in = true;
return true;
}
}