all up

DB.php

@@ -0,0 +1,98 @@
+<?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;
+    }
+}