web-base/core/Api/TemplateAPI.class.php

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2021-12-08 16:53:43 +01:00
<?php
namespace Api {
use Objects\User;
abstract class TemplateAPI extends Request {
function __construct(User $user, bool $externalCall = false, array $params = array()) {
parent::__construct($user, $externalCall, $params);
$this->isPublic = false; // internal API
}
}
}
namespace Api\Template {
use Api\Parameter\ArrayType;
use Api\Parameter\Parameter;
use Api\Parameter\StringType;
use Api\TemplateAPI;
use Objects\User;
use Twig\Environment;
use Twig\Error\LoaderError;
use Twig\Error\RuntimeError;
use Twig\Error\SyntaxError;
use Twig\Loader\FilesystemLoader;
class Render extends TemplateAPI {
public function __construct(User $user, bool $externalCall = false) {
parent::__construct($user, $externalCall, [
"file" => new StringType("file"),
"parameters" => new ArrayType("parameters", Parameter::TYPE_MIXED, false, true, [])
]);
}
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public function _execute(): bool {
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$templateFile = $this->getParam("file");
$parameters = $this->getParam("parameters");
$extension = pathinfo($templateFile, PATHINFO_EXTENSION);
$allowedExtensions = ["html", "twig"];
if (!in_array($extension, $allowedExtensions)) {
return $this->createError("Invalid template file extension. Allowed: " . implode(",", $allowedExtensions));
}
$templateDir = WEBROOT . "/core/Templates/";
$templateCache = WEBROOT . "/core/TemplateCache/";
$path = realpath($templateDir . $templateFile);
if (!startsWith($path, realpath($templateDir))) {
return $this->createError("Template file not in template directory");
} else if (!is_file($path)) {
return $this->createError("Template file not found");
}
$twigLoader = new FilesystemLoader($templateDir);
$twigEnvironment = new Environment($twigLoader, [
'cache' => $templateCache,
'auto_reload' => true
]);
try {
$this->result["html"] = $twigEnvironment->render($templateFile, $parameters);
} catch (LoaderError | RuntimeError | SyntaxError $e) {
return $this->createError("Error rendering twig template: " . $e->getMessage());
}
return $this->success;
}
}
}