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