mirror of
https://github.com/skipperbent/simple-php-router.git
synced 2026-06-16 02:30:09 +03:00
553 lines
16 KiB
PHP
553 lines
16 KiB
PHP
<?php
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namespace Pecee\SimpleRouter;
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use Pecee\Exception\RouterException;
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use Pecee\Handler\IExceptionHandler;
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use Pecee\Http\Middleware\BaseCsrfVerifier;
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use Pecee\Http\Request;
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use Pecee\Http\Response;
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class RouterBase {
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protected static $instance;
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/**
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* Current request
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* @var Request
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*/
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protected $request;
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/**
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* Response
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* @var Response
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*/
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protected $response;
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/**
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* Used to keep track of whether or not a should should be added to
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* the backstack-list for group-processing or not.
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* @var bool
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*/
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protected $processingRoute;
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/**
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* All added routes
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* @var array
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*/
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protected $routes;
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/**
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* List of
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* @var array
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*/
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protected $controllerUrlMap;
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/**
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* Backstack array used to keep track of sub-routes
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* @var array
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*/
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protected $backStack;
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/**
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* The default namespace that all routes will inherit
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* @var string
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*/
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protected $defaultNamespace;
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/**
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* List of added bootmanagers
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* @var array
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*/
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protected $bootManagers;
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/**
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* Csrf verifier class
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* @var BaseCsrfVerifier
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*/
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protected $csrfVerifier;
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/**
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* Get exception handlers
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* @var array
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*/
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protected $exceptionHandlers;
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/**
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* The current loaded route
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* @var RouterRoute|null
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*/
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protected $loadedRoute;
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/**
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* List over route changes (to avoid endless-looping)
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* @var array
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*/
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protected $routeChanges = array();
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public function __construct() {
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$this->reset();
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}
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public function reset() {
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$this->processingRoute = false;
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$this->request = new Request();
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$this->response = new Response($this->request);
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$this->routes = array();
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$this->bootManagers = array();
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$this->backStack = array();
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$this->controllerUrlMap = array();
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$this->exceptionHandlers = array();
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}
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/**
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* Add route
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* @param RouterEntry $route
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* @return RouterEntry
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*/
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public function addRoute(RouterEntry $route) {
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if($this->processingRoute) {
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$this->backStack[] = $route;
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} else {
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$this->routes[] = $route;
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}
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return $route;
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}
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protected function processRoutes(array $routes, array $settings = array(), array $prefixes = array(), RouterEntry $parent = null) {
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// Loop through each route-request
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$mergedSettings = array();
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/* @var $route RouterEntry */
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for($i = 0; $i < count($routes); $i++) {
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$route = $routes[$i];
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if(count($settings)) {
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$route->addSettings($settings);
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}
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if($parent !== null) {
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if($parent instanceof RouterGroup) {
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if ($parent->getPrefix() !== null && trim($parent->getPrefix(), '/') !== '') {
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$prefixes[] = trim($parent->getPrefix(), '/');
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}
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if ($route->matchRoute($this->request)) {
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$mergedSettings = array_merge($settings, $parent->getMergeableSettings());
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// Add ExceptionHandler
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if (count($parent->getExceptionHandlers())) {
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$this->exceptionHandlers = array_merge($this->exceptionHandlers, $parent->getExceptionHandler());
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}
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}
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}
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$route->setParent($parent);
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}
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if($route->getNamespace() === null && $this->defaultNamespace !== null) {
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$namespace = $this->defaultNamespace;
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if ($route->getNamespace()) {
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$namespace .= '\\' . $route->getNamespace();
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}
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$route->setNamespace($namespace);
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}
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if($route instanceof ILoadableRoute) {
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$route->setUrl( trim(join('/', $prefixes) . $route->getUrl(), '/') );
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$this->controllerUrlMap[] = $route;
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} else {
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if ($route->getCallback() !== null && is_callable($route->getCallback())) {
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$this->processingRoute = true;
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$route->renderRoute($this->request);
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$this->processingRoute = false;
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}
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}
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if(count($this->backStack)) {
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$backStack = $this->backStack;
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$this->backStack = array();
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// Route any routes added to the backstack
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$this->processRoutes($backStack, $mergedSettings, $prefixes, $route);
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}
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$prefixes = [];
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}
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}
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public function routeRequest(Request $newRequest = null) {
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$this->loadedRoute = null;
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$routeNotAllowed = false;
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try {
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// Initialize boot-managers
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if(count($this->bootManagers)) {
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/* @var $manager RouterBootManager */
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foreach($this->bootManagers as $manager) {
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$this->request = $manager->boot($this->request);
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if(!($this->request instanceof Request)) {
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throw new RouterException('Custom router bootmanager "'. get_class($manager) .'" must return instance of Request.');
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}
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}
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}
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if($newRequest === null) {
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// Loop through each route-request
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$this->processRoutes($this->routes);
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if($this->csrfVerifier !== null) {
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// Verify csrf token for request
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$this->csrfVerifier->handle($this->request);
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}
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}
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/* @var $route RouterEntry */
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for ($i = 0; $i < count($this->controllerUrlMap); $i++) {
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$route = $this->controllerUrlMap[$i];
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if ($route->matchRoute($this->request)) {
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if (count($route->getRequestMethods()) && !in_array($this->request->getMethod(), $route->getRequestMethods())) {
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$routeNotAllowed = true;
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continue;
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}
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$routeNotAllowed = false;
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$this->loadedRoute = $route;
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$request = clone $this->request;
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$this->loadedRoute->loadMiddleware($request, $this->loadedRoute);
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if($request->getUri() !== $this->request->getUri() && !in_array($request->getUri(), $this->routeChanges)) {
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$this->routeChanges[] = $request->getUri();
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$this->routeRequest($request);
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return;
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}
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$this->loadedRoute->renderRoute($this->request);
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break;
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}
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}
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} catch(\Exception $e) {
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$this->handleException($e);
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}
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if($routeNotAllowed) {
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$this->handleException(new RouterException('Route or method not allowed', 403));
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}
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if($this->loadedRoute === null) {
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$this->handleException(new RouterException(sprintf('Route not found: %s', $this->request->getUri()), 404));
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}
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}
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protected function handleException(\Exception $e) {
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/* @var $handler IExceptionHandler */
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foreach ($this->exceptionHandlers as $handler) {
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$handler = new $handler();
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if (!($handler instanceof IExceptionHandler)) {
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throw new RouterException('Exception handler must implement the IExceptionHandler interface.');
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}
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$request = $handler->handleError($this->request, $this->loadedRoute, $e);
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if($request !== null && !in_array($request->getUri(), $this->routeChanges)) {
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$this->routeChanges[] = $request->getUri();
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$this->routeRequest($request);
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}
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}
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throw $e;
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}
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/**
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* Get default namespace
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* @return string
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*/
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public function getDefaultNamespace(){
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return $this->defaultNamespace;
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}
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/**
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* Set the main default namespace that all routes will inherit
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* @param string $defaultNamespace
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* @return static
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*/
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public function setDefaultNamespace($defaultNamespace) {
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$this->defaultNamespace = $defaultNamespace;
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return $this;
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}
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/**
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* Get bootmanagers
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* @return array
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*/
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public function getBootManagers() {
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return $this->bootManagers;
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}
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/**
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* Set bootmanagers
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* @param array $bootManagers
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*/
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public function setBootManagers(array $bootManagers) {
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$this->bootManagers = $bootManagers;
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}
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/**
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* Add bootmanager
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* @param RouterBootManager $bootManager
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*/
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public function addBootManager(RouterBootManager $bootManager) {
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$this->bootManagers[] = $bootManager;
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}
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/**
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* @return array
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*/
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public function getRoutes(){
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return $this->routes;
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}
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/**
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* Get current request
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*
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* @return Request
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*/
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public function getRequest() {
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return $this->request;
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}
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/**
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* Get response
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* @return Response
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*/
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public function getResponse() {
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return $this->response;
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}
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/**
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* Get csrf verifier class
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* @return BaseCsrfVerifier
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*/
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public function getCsrfVerifier() {
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return $this->csrfVerifier;
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}
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/**
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* Set csrf verifier class
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*
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* @param BaseCsrfVerifier $csrfVerifier
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* @return static
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*/
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public function setCsrfVerifier(BaseCsrfVerifier $csrfVerifier) {
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$this->csrfVerifier = $csrfVerifier;
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return $this;
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}
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public function arrayToParams(array $getParams = null, $includeEmpty = true) {
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if(is_array($getParams) && count($getParams)) {
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if ($includeEmpty === false) {
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$getParams = array_filter($getParams, function ($item) {
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return (!empty($item));
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});
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}
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return '?' . http_build_query($getParams);
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}
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return '';
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}
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protected function processUrl(RouterRoute $route, $method = null, $parameters = null, $getParams = null) {
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$domain = '';
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$parent = $route->getParent();
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if($parent !== null && ($parent instanceof RouterGroup) && $parent->getDomain() !== null) {
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if(is_array($parent->getDomain())) {
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$domains = $parent->getDomain();
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$domain = array_shift($domains);
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} else {
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$domain = $parent->getDomain();
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}
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$domain = '//' . $domain;
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}
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$url = $domain . '/' . trim($route->getUrl(), '/');
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if($route instanceof IControllerRoute && $method !== null) {
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$url .= $method;
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if(count($parameters)) {
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$url .= join('/', $parameters);
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}
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} else {
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if($parameters !== null && is_array($parameters)) {
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$params = array_merge($route->getParameters(), $parameters);
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} else {
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$params = $route->getParameters();
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}
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$otherParams = array();
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$i = 0;
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foreach($params as $param => $value) {
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$value = (isset($parameters[$param])) ? $parameters[$param] : $value;
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if(stripos($url, '{' . $param. '}') !== false || stripos($url, '{' . $param . '?}') !== false) {
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$url = str_ireplace(array('{' . $param . '}', '{' . $param . '?}'), $value, $url);
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} else {
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$otherParams[$param] = $value;
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}
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$i++;
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}
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$url = rtrim($url, '/') . '/' . join('/', $otherParams);
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}
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$url = rtrim($url, '/') . '/';
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if($getParams !== null) {
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$url .= $this->arrayToParams($getParams);
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}
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return $url;
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}
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public function getRoute($controller = null, $parameters = null, $getParams = null) {
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if($parameters !== null && !is_array($parameters)) {
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throw new \InvalidArgumentException('Invalid type for parameter. Must be array or null');
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}
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if($getParams !== null && !is_array($getParams)) {
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throw new \InvalidArgumentException('Invalid type for getParams. Must be array or null');
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}
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// Return current route if no options has been specified
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if($controller === null && $parameters === null) {
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$getParams = ($getParams !== null && is_array($getParams)) ? array_merge($_GET, $getParams) : $_GET;
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$url = parse_url($this->request->getUri(), PHP_URL_PATH);
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if($getParams !== null) {
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$url .= $this->arrayToParams($getParams);
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}
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return $url;
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}
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if($controller === null && $this->loadedRoute !== null) {
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return $this->processUrl($this->loadedRoute, $this->loadedRoute->getMethod(), $parameters, $getParams);
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}
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$c = '';
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$method = null;
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$max = count($this->controllerUrlMap);
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/* @var $route RouterRoute */
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for($i = 0; $i < $max; $i++) {
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$route = $this->controllerUrlMap[$i];
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// Check an alias exist, if the matches - use it
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if($route instanceof LoadableRoute) {
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// Check for alias
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if ($route->hasAlias($controller)) {
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return $this->processUrl($route, $route->getMethod(), $parameters, $getParams);
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}
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// Use controller name
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if($route instanceof RouterController) {
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$c = $route->getController();
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} else {
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// Use callback if it's not a function
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if (stripos($route->getCallback(), '@') !== false && !is_callable($route->getCallback())) {
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$c = $route->getCallback();
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}
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}
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}
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if($c === $controller || strpos($c, $controller) === 0) {
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return $this->processUrl($route, $route->getMethod(), $parameters, $getParams);
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}
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}
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$c = '';
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// No match has yet been found, let's try to guess what url that should be returned
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for($i = 0; $i < $max; $i++) {
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$route = $this->controllerUrlMap[$i];
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if($route instanceof IControllerRoute) {
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$c = $route->getController();
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} else if(!is_callable($route->getCallback()) && stripos($route->getCallback(), '@') !== false) {
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$c = $route->getClass();
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}
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if(stripos($controller, '@') !== false) {
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$tmp = explode('@', $controller);
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$controller = $tmp[0];
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$method = $tmp[1];
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}
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if($controller === $c) {
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return $this->processUrl($route, $method, $parameters, $getParams);
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}
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}
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$controller = ($controller === null) ? '/' : $controller;
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$url = array($controller);
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if($parameters !== null && is_array($parameters) && count($parameters)) {
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$url = array_merge($url, $parameters);
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}
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$url = '/' . trim(join('/', $url), '/') . '/';
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if($getParams !== null) {
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$url .= $this->arrayToParams($getParams);
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}
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return $url;
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}
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/**
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* Get current router instance
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* @return static
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*/
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public static function getInstance() {
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if(static::$instance === null) {
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static::$instance = new static();
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}
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return static::$instance;
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}
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} |