php-login-y-registro-ejemplo/DB.php
Andros Fenollosa a17d296a54 all up
2019-08-06 16:13:05 +02:00

99 lines
3.2 KiB
PHP

<?php
//======================================================================
// Clase para gestionar la base de datos
//======================================================================
class DB
{
//-----------------------------------------------------
// Variables
//-----------------------------------------------------
private $file = 'login.sqlite';
private $myPDO = null;
//-----------------------------------------------------
// Constructor
//-----------------------------------------------------
function __construct()
{
$hostPDO = "sqlite:$this->file";
$this->myPDO = new PDO($hostPDO);
}
//-----------------------------------------------------
// GET
//-----------------------------------------------------
//-----------------------------------------------------
// Métodos
//-----------------------------------------------------
/**
* Método que comprueba si el usuario y la contraseña se encuentra en un usuario
* @param {string} $email - Email
* @param {string} $password - Contraseña
* @return {bool}
*/
public function validarUsuario(string $email, string $password): bool
{
$miConsulta = $this->myPDO->prepare('SELECT password FROM users WHERE email = :email AND active != 0');
$miConsulta->execute([
'email' => $email
]);
$resultado = $miConsulta->fetch();
// Existe el usuario
if ($resultado) {
// Comprobamos la contrasenya si es válida
return password_verify($password, $resultado['password']);
} else {
return False;
}
}
/**
* Método que actualizar el token del usuario
* @param {string} $email - Email
* @param {string} $token - Token
* @return {bool}
*/
public function actualizarToken(string $email, string $token): bool
{
$miUpdate = $this->myPDO->prepare('UPDATE users SET token = :token WHERE email = :email');
return $miUpdate->execute([
'email' => $email,
'token' => $token
]);
}
/**
* Método que verifica si existe el email en la base de datos
* @param {string} $email - Email
* @return {bool}
*/
public function comprobarExisteCorreo(string $email): bool
{
$miSelect = $this->myPDO->prepare('SELECT COUNT(*) as cantidad FROM users WHERE email = :email AND active != 0');
$miSelect->execute([
'email' => $email
]);
$resultados = $miSelect->fetch();
return (int) $resutados['cantidad'] !== 0;
}
/**
* Método que verifica si existe el token
* @param {string} $token - Token
* @param {string} $email - Email
* @return {bool}
*/
public function comprobarToken(string $token, string $email): bool
{
$miSelect = $this->myPDO->prepare('SELECT COUNT(*) as cantidad FROM users WHERE email = :email AND active != 0 AND token = :token');
$miSelect->execute([
'token' => $token,
'email' => $email
]);
$resultados = $miSelect->fetch();
return (int) $resutados['cantidad'] !== 0;
}
}