83 lines
3.0 KiB
PHP
83 lines
3.0 KiB
PHP
<?php
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class RequestDispatcher {
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public function __construct(
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protected Router $router
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) {}
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public function dispatch(): void {
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try {
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if (!in_array($_SERVER['REQUEST_METHOD'], ['POST', 'GET']))
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throw new NotImplementedException('Method '.$_SERVER['REQUEST_METHOD'].' not implemented');
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$route = $this->router->find(self::path());
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if ($route === null)
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throw new NotFoundException('Route not found');
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$route = preg_split('/ +/', $route);
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$handler_class = $route[0];
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if (($pos = strrpos($handler_class, '/')) !== false) {
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$class_name = substr($handler_class, $pos+1);
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$class_name = ucfirst(to_camel_case($class_name));
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$handler_class = str_replace('/', '\\', substr($handler_class, 0, $pos)).'\\'.$class_name;
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} else {
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$handler_class = ucfirst(to_camel_case($handler_class));
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}
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$handler_class = 'handler\\'.$handler_class;
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if (!class_exists($handler_class))
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throw new NotFoundException('Handler class "'.$handler_class.'" not found');
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$router_input = [];
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if (count($route) > 1) {
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for ($i = 1; $i < count($route); $i++) {
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$var = $route[$i];
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list($k, $v) = explode('=', $var);
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$router_input[trim($k)] = trim($v);
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}
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}
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$skin = new Skin();
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$skin->static[] = '/css/common.css';
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$skin->static[] = '/js/common.js';
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$lang = LangData::getInstance();
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$skin->addLangKeys($lang->search('/^theme_/'));
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/** @var RequestHandler $handler */
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$handler = new $handler_class($skin, $lang, $router_input);
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$resp = $handler->beforeDispatch();
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if ($resp instanceof Response) {
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$resp->send();
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return;
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}
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$resp = call_user_func([$handler, strtolower($_SERVER['REQUEST_METHOD'])]);
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} catch (NotFoundException $e) {
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$resp = $this->getErrorResponse($e, 'not_found');
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} catch (ForbiddenException $e) {
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$resp = $this->getErrorResponse($e, 'forbidden');
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} catch (NotImplementedException $e) {
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$resp = $this->getErrorResponse($e, 'not_implemented');
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} catch (UnauthorizedException $e) {
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$resp = $this->getErrorResponse($e, 'unauthorized');
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}
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$resp->send();
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}
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protected function getErrorResponse(Exception $e, string $render_function): Response {
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$ctx = new SkinContext('\\skin\\error');
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$html = call_user_func([$ctx, $render_function], $e->getMessage());
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return new Response($e->getCode(), $html);
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}
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public static function path(): string {
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$uri = $_SERVER['REQUEST_URI'];
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if (($pos = strpos($uri, '?')) !== false)
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$uri = substr($uri, 0, $pos);
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return $uri;
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}
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}
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