Merge pull request #26 from skipperbent/development

[OPTIMISATION] Fixed Group only loading middleware when initialised.

README.md

@@ -1,5 +1,5 @@
 # Simple PHP router
-Simple, fast PHP router that is easy to get integrated and in almost any project. Heavily inspired by the Laravel router.
+Simple, fast and yet powerful PHP router that is easy to get integrated and in any project. Heavily inspired by the Laravel router.
 
 ## Installation
 Add the latest version pf Simple PHP Router to your ```composer.json```
@@ -33,7 +33,7 @@ Add the latest version pf Simple PHP Router to your ```composer.json```
 
 - Global Constraints
 - Sub-Domain Routing
-- Required parameters
+- Optional parameters
 
 ## Initialising the router
 

src/Pecee/Http/Middleware/BaseCsrfVerifier.php

@@ -5,7 +5,7 @@ use Pecee\CsrfToken;
 use Pecee\Exception\TokenMismatchException;
 use Pecee\Http\Request;
 
-class BaseCsrfVerifier extends Middleware {
+class BaseCsrfVerifier implements IMiddleware {
 
     const POST_KEY = 'csrf-token';
     const HEADER_KEY = 'X-CSRF-TOKEN';

src/Pecee/Http/Middleware/IMiddleware.php

@@ -0,0 +1,8 @@
+<?php
+namespace Pecee\Http\Middleware;
+
+use Pecee\Http\Request;
+
+interface IMiddleware {
+    public function handle(Request $request);
+}

src/Pecee/Http/Middleware/Middleware.php

@@ -1,11 +0,0 @@
-<?php
-
-namespace Pecee\Http\Middleware;
-
-use Pecee\Http\Request;
-use Pecee\SimpleRouter\RouterEntry;
-
-abstract class Middleware
-{
-    abstract function handle(Request $request);
-}

src/Pecee/Http/Request.php

@@ -3,16 +3,31 @@ namespace Pecee\Http;
 
 class Request {
 
+    protected static $instance;
+
+    protected $data;
     protected $uri;
     protected $host;
     protected $method;
     protected $headers;
 
+    /**
+     * Return new instance
+     * @return static
+     */
+    public static function getInstance() {
+        if(self::$instance === null) {
+            self::$instance = new static();
+        }
+        return self::$instance;
+    }
+
     public function __construct() {
+        $this->data = array();
         $this->host = $_SERVER['HTTP_HOST'];
         $this->uri = $_SERVER['REQUEST_URI'];
         $this->method = (isset($_POST['_method'])) ? strtolower($_POST['_method']) : strtolower($_SERVER['REQUEST_METHOD']);
-        $this->headers = getallheaders();
+        $this->headers = array_change_key_case(getallheaders(), CASE_LOWER);
     }
 
     /**
@@ -90,7 +105,7 @@ class Request {
      * @return string|null
      */
     public function getHeader($name) {
-        return (isset($this->headers[$name])) ? $this->headers[$name] : null;
+        return (isset($this->headers[strtolower($name)])) ? $this->headers[strtolower($name)] : null;
     }
 
     /**
@@ -103,4 +118,12 @@ class Request {
         return (isset($_REQUEST[$name]) ? $_REQUEST[$name] : $defaultValue);
     }
 
+    public function __set($name, $value = null) {
+        $this->data[$name] = $value;
+    }
+
+    public function __get($name) {
+        return isset($this->data[$name]) ? $this->data[$name] : null;
+    }
+
 }

src/Pecee/SimpleRouter/RouterBase.php

@@ -27,7 +27,7 @@ class RouterBase {
         $this->routes = array();
         $this->backstack = array();
         $this->controllerUrlMap = array();
-        $this->request = new Request();
+        $this->request = Request::getInstance();
         $this->baseCsrfVerifier = new BaseCsrfVerifier();
     }
 
@@ -58,6 +58,7 @@ class RouterBase {
 
             $newPrefixes = $prefixes;
             $mergedSettings = array_merge($settings, $route->getMergeableSettings());
+
             if($route->getPrefix()) {
                 array_push($newPrefixes, rtrim($route->getPrefix(), '/'));
             }
@@ -253,7 +254,7 @@ class RouterBase {
             throw new \InvalidArgumentException('Invalid type for getParams. Must be array or null');
         }
 
-        if($controller === null && $parameters === null) {
+        if($controller === null && $parameters === null && $this->loadedRoute !== null) {
             return $this->processUrl($this->loadedRoute, null, $getParams);
         }
 
@@ -307,7 +308,13 @@ class RouterBase {
             ArrayUtil::append($url, $parameters);
         }
 
-        return '/' . join('/', $url);
+        $url = '/' . trim(join('/', $url), '/') . '/';
+
+        if(is_array($getParams)) {
+            $url .= '?' . Url::arrayToParams($getParams);
+        }
+
+        return $url;
     }
 
     public static function getInstance() {

src/Pecee/SimpleRouter/RouterController.php

@@ -17,6 +17,29 @@ class RouterController extends RouterEntry {
         $this->controller = $controller;
     }
 
+    public function renderRoute(Request $request) {
+        if(is_object($this->getCallback()) && is_callable($this->getCallback())) {
+
+            // When the callback is a function
+            call_user_func_array($this->getCallback(), $this->getParameters());
+        } else {
+            // When the callback is a method
+            $controller = explode('@', $this->getCallback());
+            $className = $this->getNamespace() . '\\' . $controller[0];
+
+            $class = $this->loadClass($className);
+            $method = $request->getMethod() . ucfirst($controller[1]);
+
+            if (!method_exists($class, $method)) {
+                throw new RouterException(sprintf('Method %s does not exist in class %s', $method, $className), 404);
+            }
+
+            call_user_func_array(array($class, $method), $this->getParameters());
+
+            return $class;
+        }
+    }
+
     public function matchRoute(Request $request) {
         $url = parse_url($request->getUri());
         $url = rtrim($url['path'], '/') . '/';

src/Pecee/SimpleRouter/RouterEntry.php

@@ -2,7 +2,7 @@
 
 namespace Pecee\SimpleRouter;
 
-use Pecee\Http\Middleware\Middleware;
+use Pecee\Http\Middleware\IMiddleware;
 use Pecee\Http\Request;
 
 abstract class RouterEntry {
@@ -10,26 +10,26 @@ abstract class RouterEntry {
     const REQUEST_TYPE_POST = 'post';
     const REQUEST_TYPE_GET = 'get';
     const REQUEST_TYPE_PUT = 'put';
+    const REQUEST_TYPE_PATCH = 'patch';
     const REQUEST_TYPE_DELETE = 'delete';
 
     public static $allowedRequestTypes = array(
         self::REQUEST_TYPE_DELETE,
         self::REQUEST_TYPE_GET,
         self::REQUEST_TYPE_POST,
-        self::REQUEST_TYPE_PUT
+        self::REQUEST_TYPE_PUT,
+        self::REQUEST_TYPE_PATCH
     );
 
     protected $settings;
     protected $callback;
     protected $parameters;
-    protected $parametersRegex;
-    protected $regexMatch;
 
     public function __construct() {
         $this->settings = array();
         $this->settings['requestMethods'] = array();
+        $this->settings['parametersRegex'] = array();
         $this->parameters = array();
-        $this->parametersRegex = array();
     }
 
     /**
@@ -208,7 +208,7 @@ abstract class RouterEntry {
     public function setSettings($settings) {
         $this->settings = $settings;
 
-        if($settings['prefix']) {
+        if(isset($settings['prefix'])) {
             $this->setPrefix($settings['prefix']);
         }
 
@@ -245,13 +245,25 @@ abstract class RouterEntry {
 
     public function loadMiddleware(Request $request) {
         if($this->getMiddleware()) {
-            $middleware = $this->loadClass($this->getMiddleware());
-            if (!($middleware instanceof Middleware)) {
-                throw new RouterException($this->getMiddleware() . ' must be instance of Middleware');
-            }
+            if(is_array($this->getMiddleware())) {
+                foreach($this->getMiddleware() as $middleware) {
+                    $middleware = $this->loadClass($middleware);
+                    if (!($middleware instanceof IMiddleware)) {
+                        throw new RouterException($middleware . ' must be instance of Middleware');
+                    }
 
-            /* @var $class Middleware */
-            $middleware->handle($request);
+                    /* @var $class Middleware */
+                    $middleware->handle($request);
+                }
+            } else {
+                $middleware = $this->loadClass($this->getMiddleware());
+                if (!($middleware instanceof IMiddleware)) {
+                    throw new RouterException($this->getMiddleware() . ' must be instance of Middleware');
+                }
+
+                /* @var $class Middleware */
+                $middleware->handle($request);
+            }
         }
     }
 

src/Pecee/SimpleRouter/RouterGroup.php

@@ -13,7 +13,7 @@ class RouterGroup extends RouterEntry {
     public function renderRoute(Request $request) {
         // Check if request method is allowed
 
-        if(strtolower($request->getUri()) == strtolower($this->prefix) || stripos($request->getUri(), $this->prefix) === 0) {
+        if(trim($this->prefix) === '' || strtolower($request->getUri()) == strtolower($this->prefix) || stripos($request->getUri(), $this->prefix) === 0) {
 
             $hasAccess = (!$this->method);
 
@@ -29,8 +29,6 @@ class RouterGroup extends RouterEntry {
                 throw new RouterException('Method not allowed');
             }
 
-            $this->loadMiddleware($request);
-
             return parent::renderRoute($request);
         }
 

src/Pecee/SimpleRouter/RouterRoute.php

@@ -49,7 +49,7 @@ class RouterRoute extends RouterEntry {
         // Check if url parameter count matches
         if(stripos($url, $routeMatch) === 0) {
 
-            $matches = (count(explode('/', rtrim($url, '/'))) == count(explode('/', rtrim($route, '/'))));
+            $matches = true;
 
             if($this->regexMatch) {
                 $parameters = $this->parseParameters($url, true, $this->regexMatch);
@@ -61,6 +61,8 @@ class RouterRoute extends RouterEntry {
 
             } else {
 
+                $matches = (count(explode('/', rtrim($url, '/'))) == count(explode('/', rtrim($route, '/'))));
+
                 $url = explode('/', $url);
                 $route = explode('/', rtrim($route, '/'));
 

src/Pecee/SimpleRouter/SimpleRouter.php

@@ -57,7 +57,7 @@ class SimpleRouter {
     public static function put($url, $callback, array $settings = null) {
         $route = new RouterRoute($url, $callback);
         $route->addSettings($settings);
-        $route->setRequestMethods(array(RouterRoute::REQUEST_TYPE_PUT));
+        $route->setRequestMethods(array(RouterRoute::REQUEST_TYPE_PUT, RouterRoute::REQUEST_TYPE_PATCH));
 
         $router = RouterBase::getInstance();
         $router->addRoute($route);