web-base/core/Elements/Document.class.php

100 lines
2.3 KiB
PHP

<?php
namespace Elements;
use Configuration\Settings;
use Driver\Logger\Logger;
use Driver\SQL\SQL;
use Objects\Router\Router;
use Objects\User;
abstract class Document {
protected Router $router;
private Logger $logger;
protected bool $databaseRequired;
private bool $cspEnabled;
private ?string $cspNonce;
private array $cspWhitelist;
private string $domain;
public function __construct(Router $router) {
$this->router = $router;
$this->cspEnabled = false;
$this->cspNonce = null;
$this->databaseRequired = true;
$this->cspWhitelist = [];
$this->domain = $this->getSettings()->getBaseUrl();
$this->logger = new Logger("Document", $this->getSQL());
}
public function getLogger(): Logger {
return $this->logger;
}
public function getUser(): User {
return $this->router->getUser();
}
public function getSQL(): ?SQL {
return $this->getUser()->getSQL();
}
public function getSettings(): Settings {
return $this->getUser()->getConfiguration()->getSettings();
}
public function getCSPNonce(): ?string {
return $this->cspNonce;
}
public function isCSPEnabled(): bool {
return $this->cspEnabled;
}
public function enableCSP() {
$this->cspEnabled = true;
$this->cspNonce = generateRandomString(16, "base62");
}
public function getRouter(): Router {
return $this->router;
}
protected function addCSPWhitelist(string $path) {
$this->cspWhitelist[] = $this->domain . $path;
}
public function getCode(array $params = []): string {
if ($this->databaseRequired) {
$sql = $this->getSQL();
if (is_null($sql)) {
die("Database is not configured yet.");
} else if (!$sql->isConnected()) {
die("Database is not connected: " . $sql->getLastError());
}
}
if ($this->cspEnabled) {
$cspWhiteList = implode(" ", $this->cspWhitelist);
$csp = [
"default-src 'self'",
"object-src 'none'",
"base-uri 'self'",
"style-src 'self' 'unsafe-inline'",
"img-src 'self' data:",
"script-src $cspWhiteList 'nonce-$this->cspNonce'"
];
if ($this->getSettings()->isRecaptchaEnabled()) {
$csp[] = "frame-src https://www.google.com/ 'self'";
}
$compiledCSP = implode("; ", $csp);
header("Content-Security-Policy: $compiledCSP;");
}
return "";
}
}