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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| <?php | ||
| /* | ||
| Manejador de sesiones propio | ||
| Recuerda crear una tabla así: | ||
| CREATE TABLE IF NOT EXISTS sesiones( | ||
| id VARCHAR(255) NOT NULL PRIMARY KEY, | ||
| datos TEXT NOT NULL, | ||
| ultimo_acceso BIGINT UNSIGNED NOT NULL | ||
| ); | ||
| @author parzibyte | ||
| @see parzibyte.me/blog | ||
| @date 2018-06-28 | ||
| */ | ||
| class Sesion implements \SessionHandlerInterface | ||
| { | ||
|
|
||
| /** | ||
| * @var $base_de_datos \PDO | ||
| */ | ||
| private $base_de_datos; #Aquí vamos a guardar nuestra referencia a la base de datos | ||
|
|
||
| public function open($ruta_de_guardado, $nombre_de_sesion) | ||
| { | ||
| $this->base_de_datos = BD::obtenerParaSesion(); | ||
| return true; | ||
| } | ||
|
|
||
| public function close() | ||
| { | ||
| #Eliminamos referencia a la base de datos | ||
| $this->base_de_datos = null; | ||
| return true; | ||
| } | ||
|
|
||
| public function write($id_de_sesion, $datos_de_sesion) | ||
| { | ||
| $ultimo_acceso = time(); | ||
| $sentencia = $this->base_de_datos->prepare("REPLACE INTO sesiones (id, datos, ultimo_acceso) VALUES (?, ?, ?);"); | ||
| return $sentencia->execute([$id_de_sesion, $datos_de_sesion, $ultimo_acceso]); | ||
| } | ||
|
|
||
| public function read($id_de_sesion) | ||
| { | ||
| $sentencia = $this->base_de_datos->prepare("SELECT datos FROM sesiones WHERE id = ?;"); | ||
| $sentencia->execute([$id_de_sesion]); | ||
| # Recuperar como objeto (con PDO::FETCH_OBJ), para acceder a $fila->datos | ||
| $fila = $sentencia->fetch(PDO::FETCH_OBJ); | ||
|
|
||
| # Si no existen datos con ese id, fetch devuelve FALSE | ||
| if ($fila === false) { | ||
| return ""; # Cadena vacía | ||
| } else { | ||
| return $fila->datos; | ||
| } | ||
| } | ||
|
|
||
| public function destroy($id_de_sesion) | ||
| { | ||
| $sentencia = $this->base_de_datos->prepare("DELETE FROM sesiones WHERE id = ?;"); | ||
| return $sentencia->execute([$id_de_sesion]); | ||
| } | ||
|
|
||
| public function gc($tiempo_de_vida) | ||
| { | ||
| #Calculamos el tiempo actual menos el tiempo de vida. | ||
| $caducidad = time() - $tiempo_de_vida; | ||
|
|
||
| $sentencia = $this->base_de_datos->prepare("DELETE FROM sesiones WHERE ultimo_acceso < ?;"); | ||
| return $sentencia->execute([$caducidad]); | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| <?php | ||
|
|
||
| class SesionService | ||
| { | ||
|
|
||
| public static function escribir($clave, $datos, $sobrescribir = false) | ||
| { | ||
| self::init(); | ||
| if (!isset($_SESSION[$clave]) || $sobrescribir) $_SESSION[$clave] = $datos; | ||
| } | ||
|
|
||
| /** | ||
| * Lee una variable almacenada en la sesión. | ||
| * Devuelve la variable, o null si no existe | ||
| * @param $clave | ||
| * @return mixed|null | ||
| */ | ||
| public static function leer($clave) | ||
| { | ||
| self::init(); | ||
| return $_SESSION[$clave] ?? null; | ||
| } | ||
|
|
||
| private static function init() | ||
| { | ||
| if (!isset($_SESSION)) | ||
| session_set_save_handler(new Sesion()); | ||
| if (!self::laSesionEstaIniciada()) { | ||
| session_start(); | ||
| session_regenerate_id(true); | ||
| } | ||
| } | ||
|
|
||
| public static function propagarIdUsuario($idUsuario) | ||
| { | ||
| self::init(); | ||
| $_SESSION["idUsuario"] = $idUsuario; | ||
| } | ||
|
|
||
| public static function obtenerIdUsuarioLogueado() | ||
| { | ||
| self::init(); | ||
| return $_SESSION["idUsuario"] ?? null; | ||
| } | ||
|
|
||
| public static function obtenerUsuarioLogueado() | ||
| { | ||
| $id = self::obtenerIdUsuarioLogueado(); | ||
| if (isset($id)) { | ||
| return Usuarios::porId($id); | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| private static function laSesionEstaIniciada() | ||
| { | ||
| return session_status() === PHP_SESSION_ACTIVE ? true : false; | ||
| } | ||
|
|
||
| public static function cerrarSesion() | ||
| { | ||
| self::init(); | ||
| session_start(); | ||
| session_destroy(); | ||
| } | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,25 +1,30 @@ | ||
| <?php if(SesionService::obtenerIdUsuarioLogueado() !== NULL){ ?> | ||
| <nav class="navbar navbar-expand-lg navbar-light bg-light"> | ||
| <a class="navbar-brand" href="<?php echo BASE_URL ?>">Cotizaciones</a> | ||
| <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" | ||
| aria-controls="navbarNav" | ||
| aria-expanded="false" aria-label="Toggle navigation"> | ||
| <span class="navbar-toggler-icon"></span> | ||
| </button> | ||
| <div class="collapse navbar-collapse" id="navbarNav"> | ||
| <ul class="navbar-nav"> | ||
| <li class="nav-item <?php echo $_GET["p"] === "clientes" ? 'active' : '' ?>"> | ||
| <a class="nav-link" href="<?php echo BASE_URL ?>/?p=clientes">Clientes</a> | ||
| </li> | ||
| <li class="nav-item <?php echo $_GET["p"] === "cotizaciones" ? 'active' : '' ?>"> | ||
| <a class="nav-link" href="<?php echo BASE_URL ?>/?p=cotizaciones">Cotizaciones</a> | ||
| </li> | ||
| <li class="nav-item <?php echo $_GET["p"] === "editar_ajustes" ? 'active' : '' ?>"> | ||
| <a class="nav-link" href="<?php echo BASE_URL ?>/?p=editar_ajustes">Ajustes</a> | ||
| </li> | ||
| <li class="nav-item <?php echo $_GET["p"] === "creditos" ? 'active' : '' ?>"> | ||
| <a class="nav-link" href="<?php echo BASE_URL ?>/?p=creditos">Acerca de</a> | ||
| </li> | ||
| </ul> | ||
| </div> | ||
| <a class="navbar-brand" href="<?php echo BASE_URL ?>">Cotizaciones</a> | ||
| <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" | ||
| aria-controls="navbarNav" | ||
| aria-expanded="false" aria-label="Toggle navigation"> | ||
| <span class="navbar-toggler-icon"></span> | ||
| </button> | ||
| <div class="collapse navbar-collapse" id="navbarNav"> | ||
| <ul class="navbar-nav"> | ||
| <li class="nav-item <?php echo $_GET["p"] === "clientes" ? 'active' : '' ?>"> | ||
| <a class="nav-link" href="<?php echo BASE_URL ?>/?p=clientes">Clientes</a> | ||
| </li> | ||
| <li class="nav-item <?php echo $_GET["p"] === "cotizaciones" ? 'active' : '' ?>"> | ||
| <a class="nav-link" href="<?php echo BASE_URL ?>/?p=cotizaciones">Cotizaciones</a> | ||
| </li> | ||
| <li class="nav-item <?php echo $_GET["p"] === "editar_ajustes" ? 'active' : '' ?>"> | ||
| <a class="nav-link" href="<?php echo BASE_URL ?>/?p=editar_ajustes">Ajustes</a> | ||
| </li> | ||
| <li class="nav-item <?php echo $_GET["p"] === "creditos" ? 'active' : '' ?>"> | ||
| <a class="nav-link" href="<?php echo BASE_URL ?>/?p=creditos">Acerca de</a> | ||
| </li> | ||
| <li class="nav-item"> | ||
| <a class="nav-link" href="<?php echo BASE_URL ?>/?p=logout">Salir (<?php echo htmlentities(SesionService::obtenerUsuarioLogueado()->correo) ?>)</a> | ||
| </li> | ||
| </ul> | ||
| </div> | ||
| </nav> | ||
| <?php } ?> | ||
| <div class="container"> |