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Reformatting the Router class.
This commit is contained in:
Ilya Bakhlin
parent
c89cd500a1
commit
5d7b131240
1 changed files with 165 additions and 197 deletions
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@ -1,126 +1,106 @@
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<?php declare(strict_types=1);
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<?php
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declare(strict_types = 1);
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namespace Chandler\MVC\Routing;
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use Chandler\Patterns\TSimpleSingleton;
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use Chandler\Eventing\EventDispatcher;
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use Chandler\Session\Session;
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use Chandler\MVC\Exceptions\InterruptedException;
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use Chandler\MVC\IPresenter;
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use Chandler\Patterns\TSimpleSingleton;
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use Chandler\Session\Session;
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use Nette\DI;
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use Nette\DI\Config\Adapters\NeonAdapter;
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use Nette\DI\Config\Loader;
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use SodiumException;
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class Router
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{
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const HANDLER_DELIMITER = "%([#@❤]|\->)%";
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const ALIAS_REGEX = "%{(\??\!?([A-z]++))}%";
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const ALIAS_REGEX = "%{(\??\!?([A-z]++))}%";
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private $url = NULL;
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private $routes = [];
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private $statics = [];
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private $scope = [];
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const HANDLER_DELIMITER = "%([#@❤]|\->)%";
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private $events;
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private $routes = [];
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private $scope = [];
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private $statics = [];
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private $url = null;
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protected $types = [
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"num" => "(-?\d++)",
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"num" => "(-?\d++)",
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"text" => "([A-z0-9]++)",
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"slug" => "([A-z0-9А-я\-_ ]++)",
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];
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private function __construct()
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private function computeRegExp(string $route, array $customAliases = [], ?string $prefix = null): string
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{
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$this->events = EventDispatcher::i();
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}
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private function computeRegExp(string $route, array $customAliases = [], ?string $prefix = NULL): string
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{
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$regexp = preg_replace_callback(Router::ALIAS_REGEX, function($matches) use ($customAliases) {
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if($matches[1][0] === "?") {
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$regexp = preg_replace_callback(Router::ALIAS_REGEX, function ($matches) use ($customAliases) {
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if ($matches[1][0] === "?") {
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$replacement = !isset($customAliases[$matches[2]])
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? NULL
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: ($matches[1][1] !== "!" ? "(" : "(?:") . $customAliases[$matches[2]] . ")";
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? null
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: ($matches[1][1] !== "!" ? "(" : "(?:") . $customAliases[$matches[2]] . ")";
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} else {
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$replacement = $this->types[$matches[1]];
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}
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if(!$replacement) {
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$exMessage = "Unknown type alias: $matches[1].";
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if (!$replacement) {
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$exMessage = "Unknown type alias: $matches[1].";
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$exMessage .= " (Available options are: " . implode(", ", array_keys($this->types));
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if(sizeof($customAliases) > 0)
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if (sizeof($customAliases) > 0)
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$exMessage .= " or any of these user-defined aliases: " . implode(", ", array_keys($customAliases)) . ")";
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else
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$exMessage .= ")";
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throw new Exceptions\UnknownTypeAliasException($exMessage);
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}
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return $replacement;
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}, addslashes($route));
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if(!is_null($prefix)) {
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if (!is_null($prefix)) {
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$regexp = "\\/$prefix\\" . ($route === "/" ? "/" : "/$regexp");
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}
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return "%^$regexp$%";
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}
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function makeCSRFToken(Route $route, string $nonce): string
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private function delegateController(string $namespace, string $presenterName, string $action, array $parameters = []): string
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{
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$key = hash("snefru", CHANDLER_ROOT_CONF["security"]["secret"] . bin2hex($nonce));
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$data = $route->namespace;
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$data .= Session::i()->get("tok", -1);
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return hash_hmac("snefru", $data, $key) . "#" . bin2hex($nonce);
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}
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private function setCSRFStatus(Route $route): void
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{
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if(CHANDLER_ROOT_CONF["security"]["csrfProtection"] === "disabled") {
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$GLOBALS["csrfCheck"] = true;
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} else {
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$GLOBALS["csrfCheck"] = false;
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$hash = ($_GET["hash"] ?? ($_POST["hash"] ?? false));
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if($hash !== false) {
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$data = explode("#", $hash);
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try {
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if(!isset($data[0]) || !isset($data[1])) throw new \SodiumException;
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[$hash, $nonce] = $data;
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if(sodium_memcmp($this->makeCSRFToken($route, hex2bin($nonce)), "$hash#$nonce") === 0) {
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if(CHANDLER_ROOT_CONF["security"]["csrfProtection"] === "permissive")
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$GLOBALS["csrfCheck"] = true;
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else if(CHANDLER_ROOT_CONF["security"]["csrfProtection"] === "strict")
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$GLOBALS["csrfCheck"] = parse_url($_SERVER["HTTP_REFERER"], PHP_URL_HOST) === $_SERVER["HTTP_HOST"];
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else
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trigger_error("Bad value for chandler.security.csrfProtection: disabled, permissive or strict expected.", E_USER_ERROR);
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}
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} catch(\SodiumException $ex) {}
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$presenter = $this->getPresenter($namespace, $presenterName);
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$action = ucfirst($action);
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try {
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$presenter->onStartup();
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$presenter->{"render$action"}(...$parameters);
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$presenter->onBeforeRender();
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$this->scope += array_merge_recursive($presenter->getTemplateScope(), []); #TODO: add default parameters
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#TODO: move this to delegateView
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$tpl = $this->scope["_template"] ?? "$presenterName/$action.xml";
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if ($tpl[0] !== "/") {
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$dir = CHANDLER_EXTENSIONS_ENABLED . "/$namespace/Web/Presenters/templates";
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$tpl = "$dir/$tpl";
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if (isset($this->scope["_templatePath"]))
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$tpl = str_replace($dir, $this->scope["_templatePath"], $tpl);
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}
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if (!file_exists($tpl)) {
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trigger_error("Could not open $tpl as template, falling back.", E_USER_NOTICE);
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$tpl = "$presenterName/$action.xml";
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}
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$output = $this->delegateView($tpl, $presenter);
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$presenter->onAfterRender();
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} catch (InterruptedException $ex) {
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}
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$GLOBALS["csrfToken"] = $this->makeCSRFToken($route, openssl_random_pseudo_bytes(4));
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$presenter->onStop();
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$presenter->onDestruction();
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$presenter = null;
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return $output;
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}
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private function getDI(string $namespace): DI\Container
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private function delegateRoute(Route $route, array $matches): string
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{
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$loader = new DI\ContainerLoader(CHANDLER_ROOT . "/tmp/cache/di_$namespace", true);
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$class = $loader->load(function($compiler) use ($namespace) {
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$fileLoader = new \Nette\DI\Config\Loader;
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$fileLoader->addAdapter("yml", \Nette\DI\Config\Adapters\NeonAdapter::class);
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$compiler->loadConfig(CHANDLER_EXTENSIONS_ENABLED . "/$namespace/Web/di.yml", $fileLoader);
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});
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return new $class;
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}
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private function getPresenter(string $namespace, string $presenterName): ?IPresenter
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{
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$di = $this->getDI($namespace);
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$services = $di->findByType("\\$namespace\\Web\\Presenters\\$presenterName" . "Presenter", false);
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return $di->getService($services[0], false);
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$parameters = [];
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foreach ($matches as $param)
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$parameters[] = is_numeric($param) ? (int)$param : $param;
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$this->setCSRFStatus($route);
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return $this->delegateController($route->namespace, $route->presenter, $route->action, $parameters);
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}
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private function delegateView(string $filename, IPresenter $presenter): string
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@ -128,115 +108,112 @@ class Router
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return $presenter->getTemplatingEngine()->renderToString($filename, $this->scope);
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}
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private function delegateController(string $namespace, string $presenterName, string $action, array $parameters = []): string
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private function getDI(string $namespace): DI\Container
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{
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$presenter = $this->getPresenter($namespace, $presenterName);
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$action = ucfirst($action);
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try {
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$presenter->onStartup();
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$presenter->{"render$action"}(...$parameters);
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$presenter->onBeforeRender();
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$this->scope += array_merge_recursive($presenter->getTemplateScope(), []); #TODO: add default parameters
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#TODO: move this to delegateView
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$tpl = $this->scope["_template"] ?? "$presenterName/$action.xml";
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if($tpl[0] !== "/") {
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$dir = CHANDLER_EXTENSIONS_ENABLED . "/$namespace/Web/Presenters/templates";
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$tpl = "$dir/$tpl";
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if(isset($this->scope["_templatePath"]))
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$tpl = str_replace($dir, $this->scope["_templatePath"], $tpl);
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}
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if(!file_exists($tpl)) {
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trigger_error("Could not open $tpl as template, falling back.", E_USER_NOTICE);
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$tpl = "$presenterName/$action.xml";
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}
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$output = $this->delegateView($tpl, $presenter);
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$presenter->onAfterRender();
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} catch(InterruptedException $ex) {}
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$presenter->onStop();
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$presenter->onDestruction();
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$presenter = NULL;
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return $output;
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$loader = new DI\ContainerLoader(CHANDLER_ROOT . "/tmp/cache/di_$namespace", true);
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$class = $loader->load(function ($compiler) use ($namespace) {
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$fileLoader = new Loader;
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$fileLoader->addAdapter("yml", NeonAdapter::class);
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$compiler->loadConfig(CHANDLER_EXTENSIONS_ENABLED . "/$namespace/Web/di.yml", $fileLoader);
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});
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return new $class;
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}
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private function delegateRoute(Route $route, array $matches): string
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private function getPresenter(string $namespace, string $presenterName): ?IPresenter
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{
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$parameters = [];
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$di = $this->getDI($namespace);
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$services = $di->findByType("\\$namespace\\Web\\Presenters\\$presenterName" . "Presenter", false);
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return $di->getService($services[0], false);
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}
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foreach($matches as $param)
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$parameters[] = is_numeric($param) ? (int) $param : $param;
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$this->setCSRFStatus($route);
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return $this->delegateController($route->namespace, $route->presenter, $route->action, $parameters);
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private function setCSRFStatus(Route $route): void
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{
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if (CHANDLER_ROOT_CONF["security"]["csrfProtection"] === "disabled") {
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$GLOBALS["csrfCheck"] = true;
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} else {
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$GLOBALS["csrfCheck"] = false;
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$hash = ($_GET["hash"] ?? ($_POST["hash"] ?? false));
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if ($hash !== false) {
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$data = explode("#", $hash);
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try {
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if (!isset($data[0]) || !isset($data[1])) throw new SodiumException;
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[$hash, $nonce] = $data;
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if (sodium_memcmp($this->makeCSRFToken($route, hex2bin($nonce)), "$hash#$nonce") === 0) {
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if (CHANDLER_ROOT_CONF["security"]["csrfProtection"] === "permissive")
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$GLOBALS["csrfCheck"] = true;
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else if (CHANDLER_ROOT_CONF["security"]["csrfProtection"] === "strict")
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$GLOBALS["csrfCheck"] = parse_url($_SERVER["HTTP_REFERER"], PHP_URL_HOST) === $_SERVER["HTTP_HOST"];
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else
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trigger_error("Bad value for chandler.security.csrfProtection: disabled, permissive or strict expected.", E_USER_ERROR);
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}
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} catch (SodiumException $ex) {
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}
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}
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}
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$GLOBALS["csrfToken"] = $this->makeCSRFToken($route, openssl_random_pseudo_bytes(4));
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}
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function delegateStatic(string $namespace, string $path): string
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{
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$static = $static = $this->statics[$namespace];
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if(!isset($static)) return "Fatal error: no route";
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if(!file_exists($file = "$static/$path"))
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if (!isset($static)) return "Fatal error: no route";
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if (!file_exists($file = "$static/$path"))
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return "Fatal error: no resource";
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$hash = "W/\"" . hash_file("snefru", $file) . "\"";
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if(isset($_SERVER["HTTP_IF_NONE_MATCH"]))
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if($_SERVER["HTTP_IF_NONE_MATCH"] === $hash)
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if (isset($_SERVER["HTTP_IF_NONE_MATCH"]))
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if ($_SERVER["HTTP_IF_NONE_MATCH"] === $hash)
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exit(header("HTTP/1.1 304"));
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header("Content-Type: " . system_extension_mime_type($file) ?? "text/plain; charset=unknown-8bit");
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header("Content-Size: " . filesize($file));
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header("ETag: $hash");
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readfile($file);
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exit;
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}
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function reverse(string $hotlink, ...$parameters): ?string
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function execute(string $url, ?string $parentModule = null): ?string
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{
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if(sizeof($j = explode("!", $hotlink)) === 2)
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[$namespace, $hotlink] = $j;
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else
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$namespace = explode("\\", $this->scope["parentModule"])[0];
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[$presenter, $action] = preg_split(Router::HANDLER_DELIMITER, $hotlink);
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foreach($this->routes as $route) {
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if($route->namespace !== $namespace || $route->presenter !== $presenter) continue;
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if(!is_null($action) && $route->action != $action) continue;
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$count = preg_match_all(Router::ALIAS_REGEX, $route->raw);
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if($count != sizeof($parameters)) continue;
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$i = 0;
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return preg_replace_callback(Router::ALIAS_REGEX, function() use ($parameters, &$i) {
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return $parameters[$i++];
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}, $route->raw);
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$this->url = chandler_escape_url(parse_url($url, PHP_URL_PATH));
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if (!is_null($parentModule)) {
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$GLOBALS["parentModule"] = $parentModule;
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$this->scope["parentModule"] = $GLOBALS["parentModule"];
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}
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if (preg_match("%^\/assets\/packages\/static\/([A-z_\\-]++)\/(.++)$%", $this->url, $matches)) {
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[$j, $namespace, $file] = $matches;
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return $this->delegateStatic($namespace, $file);
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}
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$match = $this->getMatchingRoute($this->url);
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if (!$match)
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return null;
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return $this->delegateRoute(...$match);
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}
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return NULL;
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function getMatchingRoute(string $url): ?array
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{
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foreach ($this->routes as $route)
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if (preg_match($route->regex, $url, $matches))
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return [$route, array_slice($matches, 1)];
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return null;
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}
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function makeCSRFToken(Route $route, string $nonce): string
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{
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$key = hash("snefru", CHANDLER_ROOT_CONF["security"]["secret"] . bin2hex($nonce));
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$data = $route->namespace;
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$data .= Session::i()->get("tok", -1);
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return hash_hmac("snefru", $data, $key) . "#" . bin2hex($nonce);
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}
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function push(?string $prefix, string $url, string $namespace, string $presenter, string $action, array $ph): void
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{
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$route = new Route;
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$route->raw = $url;
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if(!is_null($prefix))
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if (!is_null($prefix))
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$route->raw = "/$prefix" . $route->raw;
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$route->regex = $this->computeRegExp($url, $ph, $prefix);
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$route->regex = $this->computeRegExp($url, $ph, $prefix);
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$route->namespace = $namespace;
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$route->presenter = $presenter;
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$route->action = $action;
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$this->routes[] = $route;
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$route->action = $action;
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$this->routes[] = $route;
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}
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function pushStatic(string $namespace, string $path): void
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@ -247,51 +224,42 @@ class Router
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function readRoutes(string $filename, string $namespace, bool $autoprefix = true): void
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{
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$config = chandler_parse_yaml($filename);
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if(isset($config["static"]))
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if (isset($config["static"]))
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$this->pushStatic($namespace, CHANDLER_EXTENSIONS_ENABLED . "/$namespace/Web/$config[static]");
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if(isset($config["include"]))
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foreach($config["include"] as $include)
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if (isset($config["include"]))
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foreach ($config["include"] as $include)
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$this->readRoutes(dirname($filename) . "/$include", $namespace, $autoprefix);
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foreach($config["routes"] as $route) {
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$route = (object) $route;
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foreach ($config["routes"] as $route) {
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$route = (object)$route;
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$placeholders = $route->placeholders ?? [];
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[$presenter, $action] = preg_split(Router::HANDLER_DELIMITER, $route->handler);
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$this->push($autoprefix ? $namespace : NULL, $route->url, $namespace, $presenter, $action, $placeholders);
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$this->push($autoprefix ? $namespace : null, $route->url, $namespace, $presenter, $action, $placeholders);
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}
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}
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function getMatchingRoute(string $url): ?array
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function reverse(string $hotlink, ...$parameters): ?string
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{
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foreach($this->routes as $route)
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if(preg_match($route->regex, $url, $matches))
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return [$route, array_slice($matches, 1)];
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return NULL;
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if (sizeof($j = explode("!", $hotlink)) === 2)
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[$namespace, $hotlink] = $j;
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else
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$namespace = explode("\\", $this->scope["parentModule"])[0];
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[$presenter, $action] = preg_split(Router::HANDLER_DELIMITER, $hotlink);
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foreach ($this->routes as $route) {
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if ($route->namespace !== $namespace || $route->presenter !== $presenter) continue;
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if (!is_null($action) && $route->action != $action) continue;
|
||||
$count = preg_match_all(Router::ALIAS_REGEX, $route->raw);
|
||||
if ($count != sizeof($parameters)) continue;
|
||||
$i = 0;
|
||||
return preg_replace_callback(Router::ALIAS_REGEX, function () use ($parameters, &$i) {
|
||||
return $parameters[$i++];
|
||||
}, $route->raw);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
function execute(string $url, ?string $parentModule = null): ?string
|
||||
private function __construct()
|
||||
{
|
||||
$this->url = chandler_escape_url(parse_url($url, PHP_URL_PATH));
|
||||
|
||||
if(!is_null($parentModule)) {
|
||||
$GLOBALS["parentModule"] = $parentModule;
|
||||
$this->scope["parentModule"] = $GLOBALS["parentModule"];
|
||||
}
|
||||
|
||||
if(preg_match("%^\/assets\/packages\/static\/([A-z_\\-]++)\/(.++)$%", $this->url, $matches)) {
|
||||
[$j, $namespace, $file] = $matches;
|
||||
return $this->delegateStatic($namespace, $file);
|
||||
}
|
||||
|
||||
$match = $this->getMatchingRoute($this->url);
|
||||
if(!$match)
|
||||
return NULL;
|
||||
|
||||
return $this->delegateRoute(...$match);
|
||||
$this->events = EventDispatcher::i();
|
||||
}
|
||||
|
||||
use TSimpleSingleton;
|
||||
|
|
|
|||
Loading…
Reference in a new issue