/
DbAuthMiddleware.php
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/
DbAuthMiddleware.php
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<?php
namespace Tqdev\PhpCrudApi\Middleware;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;
use Tqdev\PhpCrudApi\Column\ReflectionService;
use Tqdev\PhpCrudApi\Config\Config;
use Tqdev\PhpCrudApi\Controller\Responder;
use Tqdev\PhpCrudApi\Database\GenericDB;
use Tqdev\PhpCrudApi\Middleware\Base\Middleware;
use Tqdev\PhpCrudApi\Middleware\Router\Router;
use Tqdev\PhpCrudApi\Record\Condition\ColumnCondition;
use Tqdev\PhpCrudApi\Record\ErrorCode;
use Tqdev\PhpCrudApi\Record\OrderingInfo;
use Tqdev\PhpCrudApi\RequestUtils;
class DbAuthMiddleware extends Middleware
{
private $reflection;
private $db;
private $ordering;
public function __construct(Router $router, Responder $responder, Config $config, string $middleware, ReflectionService $reflection, GenericDB $db)
{
parent::__construct($router, $responder, $config, $middleware);
$this->reflection = $reflection;
$this->db = $db;
$this->ordering = new OrderingInfo();
}
public function process(ServerRequestInterface $request, RequestHandlerInterface $next): ResponseInterface
{
if (session_status() == PHP_SESSION_NONE) {
if (!headers_sent()) {
$sessionName = $this->getProperty('sessionName', '');
if ($sessionName) {
session_name($sessionName);
}
if (!ini_get('session.cookie_samesite')) {
ini_set('session.cookie_samesite', 'Lax');
}
if (!ini_get('session.cookie_httponly')) {
ini_set('session.cookie_httponly', 1);
}
if (!ini_get('session.cookie_secure') && isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off') {
ini_set('session.cookie_secure', 1);
}
session_start();
}
}
$path = RequestUtils::getPathSegment($request, 1);
$method = $request->getMethod();
if ($method == 'POST' && in_array($path, ['login', 'register', 'password'])) {
$body = $request->getParsedBody();
$usernameFormFieldName = $this->getProperty('usernameFormField', 'username');
$passwordFormFieldName = $this->getProperty('passwordFormField', 'password');
$newPasswordFormFieldName = $this->getProperty('newPasswordFormField', 'newPassword');
$username = isset($body->$usernameFormFieldName) ? $body->$usernameFormFieldName : '';
$password = isset($body->$passwordFormFieldName) ? $body->$passwordFormFieldName : '';
$newPassword = isset($body->$newPasswordFormFieldName) ? $body->$newPasswordFormFieldName : '';
//add separate property for login as this could be a view joining users table to other table
//such as roles, details etc. At a minimum, the view output should include the $usernameColumn and $passwordColumn
if ($path === 'login') {
$tableName = $this->getProperty('loginTable', $this->getProperty('usersTable', 'users'));
} else {
$tableName = $this->getProperty('usersTable', 'users');
}
$table = $this->reflection->getTable($tableName);
$usernameColumnName = $this->getProperty('usernameColumn', 'username');
$usernameColumn = $table->getColumn($usernameColumnName);
$passwordColumnName = $this->getProperty('passwordColumn', 'password');
$passwordLength = $this->getProperty('passwordLength', '12');
$pkName = $table->getPk()->getName();
$registerUser = $this->getProperty('registerUser', '');
$loginAfterRegistration = $this->getProperty('loginAfterRegistration', '');
$condition = new ColumnCondition($usernameColumn, 'eq', $username);
$returnedColumns = $this->getProperty('returnedColumns', '');
if (!$returnedColumns) {
$columnNames = $table->getColumnNames();
} else {
$columnNames = array_map('trim', explode(',', $returnedColumns));
$columnNames[] = $passwordColumnName;
$columnNames = array_values(array_unique($columnNames));
}
$columnOrdering = $this->ordering->getDefaultColumnOrdering($table);
if ($path == 'register') {
if (!$registerUser) {
return $this->responder->error(ErrorCode::AUTHENTICATION_FAILED, $username);
}
if (strlen(trim($username)) == 0) {
return $this->responder->error(ErrorCode::USERNAME_EMPTY, $username);
}
if (strlen($password) < $passwordLength) {
return $this->responder->error(ErrorCode::PASSWORD_TOO_SHORT, $passwordLength);
}
$users = $this->db->selectAll($table, $columnNames, $condition, $columnOrdering, 0, 1);
if (!empty($users)) {
return $this->responder->error(ErrorCode::USER_ALREADY_EXIST, $username);
}
$data = json_decode($registerUser, true);
$data = is_array($data) ? $data : [];
$data[$usernameColumnName] = $username;
$data[$passwordColumnName] = password_hash($password, PASSWORD_DEFAULT);
$this->db->createSingle($table, $data);
$users = $this->db->selectAll($table, $columnNames, $condition, $columnOrdering, 0, 1);
foreach ($users as $user) {
if ($loginAfterRegistration) {
if (!headers_sent()) {
session_regenerate_id(true);
}
unset($user[$passwordColumnName]);
$_SESSION['user'] = $user;
return $this->responder->success($user);
} else {
unset($user[$passwordColumnName]);
return $this->responder->success($user);
}
}
return $this->responder->error(ErrorCode::AUTHENTICATION_FAILED, $username);
}
if ($path == 'login') {
$users = $this->db->selectAll($table, $columnNames, $condition, $columnOrdering, 0, 1);
foreach ($users as $user) {
if (password_verify($password, $user[$passwordColumnName]) == 1) {
if (!headers_sent()) {
session_regenerate_id(true);
}
unset($user[$passwordColumnName]);
$_SESSION['user'] = $user;
return $this->responder->success($user);
}
}
return $this->responder->error(ErrorCode::AUTHENTICATION_FAILED, $username);
}
if ($path == 'password') {
if ($username != ($_SESSION['user'][$usernameColumnName] ?? '')) {
return $this->responder->error(ErrorCode::AUTHENTICATION_FAILED, $username);
}
if (strlen($newPassword) < $passwordLength) {
return $this->responder->error(ErrorCode::PASSWORD_TOO_SHORT, $passwordLength);
}
$userColumns = $columnNames;
if (!in_array($pkName, $columnNames)) {
array_push($userColumns, $pkName);
}
$users = $this->db->selectAll($table, $userColumns, $condition, $columnOrdering, 0, 1);
foreach ($users as $user) {
if (password_verify($password, $user[$passwordColumnName]) == 1) {
if (!headers_sent()) {
session_regenerate_id(true);
}
$data = [$passwordColumnName => password_hash($newPassword, PASSWORD_DEFAULT)];
$this->db->updateSingle($table, $data, $user[$pkName]);
unset($user[$passwordColumnName]);
if (!in_array($pkName, $columnNames)) {
unset($user[$pkName]);
}
return $this->responder->success($user);
}
}
return $this->responder->error(ErrorCode::AUTHENTICATION_FAILED, $username);
}
}
if ($method == 'POST' && $path == 'logout') {
if (isset($_SESSION['user'])) {
$user = $_SESSION['user'];
unset($_SESSION['user']);
if (session_status() != PHP_SESSION_NONE) {
session_destroy();
}
return $this->responder->success($user);
}
return $this->responder->error(ErrorCode::AUTHENTICATION_REQUIRED, '');
}
if ($method == 'GET' && $path == 'me') {
if (isset($_SESSION['user'])) {
return $this->responder->success($_SESSION['user']);
}
return $this->responder->error(ErrorCode::AUTHENTICATION_REQUIRED, '');
}
if (!isset($_SESSION['user']) || !$_SESSION['user']) {
$authenticationMode = $this->getProperty('mode', 'required');
if ($authenticationMode == 'required') {
return $this->responder->error(ErrorCode::AUTHENTICATION_REQUIRED, '');
}
}
return $next->handle($request);
}
}