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<?php
namespace LookupServer\Validator;
use \Psr\Http\Message\ServerRequestInterface as Request;
use \Psr\Http\Message\ResponseInterface as Response;
class Email {
/** @var \PDO */
private $db;
/** @var \Slim\Interfaces\RouterInterface */
private $router;
/** @var string */
private $host;
/** @var string */
private $from;
/** @var bool */
private $globalScale;
/**
* Email constructor.
* @param \PDO $db
* @param \Slim\Interfaces\RouterInterface $router
* @param string $host
* @param string $from
* @param bool $globalScale
*/
public function __construct(\PDO $db,
\Slim\Interfaces\RouterInterface $router,
$host,
$from,
$globalScale) {
$this->db = $db;
$this->router = $router;
$this->host = $host;
$this->from = $from;
$this->globalScale = $globalScale;
}
public function validate(Request $request, Response $response) {
/** @var $route \Slim\Route */
$route = $request->getAttribute('route');
$token = $route->getArgument('token');
$stmt = $this->db->prepare('SELECT * FROM emailValidation WHERE token = :token');
$stmt->bindParam(':token', $token);
$stmt->execute();
$validation = $stmt->fetch();
$stmt->closeCursor();
if ($validation === false) {
$response->withStatus(403);
$response->getBody()->write('Invalid token');
} else {
$stmt = $this->db->prepare('UPDATE store SET valid = 1 WHERE id = :storeId');
$stmt->bindParam('storeId', $validation['storeId']);
$stmt->execute();
$stmt->closeCursor();
$stmt = $this->db->prepare('DELETE FROM emailValidation WHERE id = :id');
$stmt->bindParam(':id', $validation['id']);
$stmt->execute();
$stmt->closeCursor();
$response->getBody()->write('Email verified');
}
return $response;
}
public function emailUpdated($email, $storeId) {
if ($this->globalScale) {
// When in global scale mode we should not send e-mails
return;
}
// Delete old tokens
$stmt = $this->db->prepare('DELETE FROM emailValidation WHERE storeId = :storeId');
$stmt->bindParam(':storeId', $storeId);
$stmt->execute();
$stmt->closeCursor();
// Generate Token
$token = $this->generate(16);
// Insert token
$stmt = $this->db->prepare('INSERT INTO emailValidation (storeId, token) VALUES (:storeId, :token)');
$stmt->bindParam(':storeId', $storeId);
$stmt->bindParam(':token', $token);
$stmt->execute();
$stmt->closeCursor();
// Actually send e-mail
$link = $this->host . $this->router->pathFor('validateEmail', ['token' => $token]);
$text = 'Please click this link to confirm your e-mail address: ' . $link;
$headers = 'From: '.$this->from."\r\n" .'X-Mailer: PHP/' . phpversion();
mail($email, 'Email confirmation', $text, $headers);
}
private function generate($length,
$characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789') {
$maxCharIndex = strlen($characters) - 1;
$randomString = '';
while($length > 0) {
$randomNumber = \random_int(0, $maxCharIndex);
$randomString .= $characters[$randomNumber];
$length--;
}
return $randomString;
}
}
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