middlewares fixed govno

Reviewed-on: #22

README.md

@@ -1,14 +1,8 @@
-The MINIMAL framework that does **not limit your project with its own rules**, has **no dependencies**, implements the **best practices** of popular MVC-frameworks, it **VERY fast** and **optimized** for all the innovations in **PHP 8.2** 🤟
+# MINIMAL
+The best code-to-utility framework
 
-Can be configured to work with **any database** `core::$session` and **any HTML template engine** `$this->view`
+## Nearest plans (2025)
-*personally, i prefer **ArangoDB** and **Twig***
+1. Routes sorting `router::sort()`
-
-## Nearest plans (first half of 2025)
-1. Add **middlewares** technology
-2. Route sorting in the router `router::sort()`
-3. Add trigger routes from within routes
-4. Think about adding asynchronous executions
-5. Write an article describing the principles of the framework
 
 ## Installation 
 Execute: `composer require mirzaev/minimal`
@@ -16,49 +10,19 @@ Execute: `composer require mirzaev/minimal`
 ## Usage
 *index.php*
 ```php
-// Initializing the router
-$router = new router;
-
-// Initializing of routes
-$router
-    ->write('/', 'catalog', 'index', 'GET')
-	->write('/search', 'catalog', 'search', 'POST')
-	->write('/session/connect/telegram', 'session', 'telegram', 'POST')
-	->write('/product/$id', 'catalog', 'product', 'POST')
-	->write('/$categories...', 'catalog', 'index', 'POST'); // Collector (since 0.3.0)
-
 // Initializing the core
-$core = new core(namespace: __NAMESPACE__, router: $router, controller: new controller(false), model: new model(false));
+$core = new core(namespace: __NAMESPACE__);
 
-// Handle the request
+// Initializing routes
-echo $core->start();
+$core->router
+	->write('/', new route('index', 'index'), 'GET')
+	->write('/search', new route('search', 'search'), 'POST')
+	->write('/product/create', new route('product', 'create'), 'PUT')
+	->write('/product/$id', new route('product', 'read'), 'GET')
+	->write('/product/$id', new route('product', 'read'), 'POST')
+	->write('/$categories', new route('categories', 'read'), 'GET') // Collector (since 0.3.0)
+;
+
+// Handling the request
+$core->start();
 ```
-
-## Examples of projects based on MINIMAL
-
-### ebala
-**Repository:** https://git.mirzaev.sexy/mirzaev/ebala<br>
-**Github mirror:** https://github.com/mature-woman/ebala<br>
-*I earned more than a **million rubles** from this project*<br>
-*Repositories **may** be closed at the request of the customer*<br>
-
-### huesos 
-**Repository:** https://git.mirzaev.sexy/mirzaev/huesos<br>
-**Guthub mirror:** https://github.com/mature-woman/huesos<br>
-*The basis for developing chat-robots with Web App technology (for example for Telegram)*<br>
-
-### arming_bot 
-**Repository:** https://git.mirzaev.sexy/mirzaev/arming_bot<br>
-**Guthub mirror:** https://github.com/mature-woman/arming_bot<br>
-*Chat-robot based on huesos*<br>
-
-### notchat
-**Repository:** https://git.mirzaev.sexy/mirzaev/notchat<br>
-**Github mirror:** https://github.com/mature-woman/notchat<br>
-*P2P chat project with different blockchains and smart stuff*<br>
-
-### site-repression
-**Link:** https://repression.mirzaev.sexy<br>
-**Repository:** https://git.mirzaev.sexy/mirzaev/site-repression<br>
-**Github mirror:** https://github.com/mature-woman/site-repression<br>
-*A simple site for my article about **political repressions in Russia** and my **kidnapping by Wagner PMC operatives** from my house*<br>

composer.json

@@ -1,14 +1,14 @@
 {
     "name": "mirzaev/minimal",
     "type": "framework",
-    "description": "My vision of a good framework",
+    "description": "The best code-to-utility framework",
     "keywords": [
         "mvc",
         "framework",
         "lightweight"
     ],
     "license": "WTFPL",
-    "homepage": "https://git.mirzaev.sexy/mirzaev/minimal",
+    "homepage": "https://git.svoboda.works/mirzaev/minimal",
     "authors": [
         {
             "name": "Arsen Mirzaev Tatyano-Muradovich",
@@ -18,8 +18,8 @@
         }
     ],
     "support": {
-        "docs": "https://git.mirzaev.sexy/mirzaev/minimal/wiki",
+        "docs": "https://git.svoboda.works/mirzaev/minimal/wiki",
-        "issues": "https://git.mirzaev.sexy/mirzaev/minimal/issues"
+        "issues": "https://git.svoboda.works/mirzaev/minimal/issues"
     },
     "require": {
         "php": "~8.4"

mirzaev/minimal/system/core.php

@@ -14,7 +14,8 @@ use mirzaev\minimal\router,
 	mirzaev\minimal\http\enumerations\status;
 
 // Built-in libraries
-use exception,
+use Closure as closure,
+	Exception as exception,
 	RuntimeException as exception_runtime,
 	BadMethodCallException as exception_method,
 	DomainException as exception_domain,
@@ -113,7 +114,27 @@ final class core
 	 */
 	public function start(): ?string
 	{
-		// Handle request and exit (success)
+		if (php_sapi_name() === 'cli') {
+			// Processing from CLI
+
+			// Initializing options
+			$options = getopt('', [
+				'method::',
+				'uri::',
+				'protocol::'
+			]);
+
+			// Writing method into the environment constant
+			$_SERVER["REQUEST_METHOD"] = $options['method'] ?? 'GET';
+
+			// Writing URI into the environment constant
+			$_SERVER['REQUEST_URI'] =  $options['uri'] ?? '/';
+
+			// Writing verstion of HTTP protocol into the environment constant
+			$_SERVER['SERVER_PROTOCOL'] = $options['protocol'] ?? 'CLI';
+		}
+
+		// Processing the request and exit (success)
 		return $this->request(new request(environment: true));
 	}
 
@@ -123,30 +144,59 @@ final class core
 	 * Handle request
 	 *
 	 * @param request $request The request
-	 * @paam array $parameters parameters for merging with route parameters
+	 * @param array $parameters parameters for merging with route parameters
 	 *
 	 * @return string|null Response 
 	 */
 	public function request(request $request, array $parameters = []): ?string
 	{
-		// Matching a route 
+		// Matching the route 
 		$route = $this->router->match($request);
 
 		if ($route) {
-			// Initialized a route
+			// Initialized the route
 
 			if (!empty($parameters)) {
 				// Recaived parameters
 
-				// Merging parameters with route parameters
+				// Merging parameters with the route parameters
 				$route->parameters = $parameters + $route->parameters;
 			}
 
-			// Writing request options from route options
+			// Preparing the route function
-			$request->options = $route->options;
+			$action = function() use ($request, $route): string {
+				// Writing the request options from the route options
+				$request->options = $route->options;
 
-			// Handling a route and exit (success)
+				// Preparing the route function
-			return $this->route($route, $request);
+				$action = fn(): string => (string) $this->route($route, $request);
+
+				foreach ($route->middlewares as $middleware) {
+					// Iterating over the route middlewares
+
+					// Preparing the middleware function
+					$action = fn(): string => $middleware(next: $action);
+				}
+
+				// Processing middlewares and the route functions
+				$response = $action();
+
+				// Exit (success)
+				return $response;
+			};
+
+			foreach ($this->router->middlewares as $middleware) {
+				// Iterating over the router middlewares
+
+				// Preparing the middleware function
+				$action = fn(): string => $middleware(next: $action);
+			}
+
+			// Processing middlewares and the router request function
+			$response = $action();
+
+			// Exit (success)
+			return $response;
 		}
 
 		// Exit (fail)
@@ -171,7 +221,7 @@ final class core
 	{
 		// Initializing name of the controller class
 		$controller = $route->controller;
-	
+
 		if ($route->controller instanceof controller) {
 			// Initialized the controller
 		} else if (class_exists($controller = "$this->namespace\\controllers\\$controller")) {
@@ -240,10 +290,9 @@ final class core
 				// Exit (fail)
 				throw new exception_runtime('Caught an error while processing the route', status::internal_server_error->value, $exception);
 			}
-
 		} else {
 			// Not found the method of the controller
-		
+
 			// Exit (fail)
 			throw new exception_method('Failed to find method of the controller: ' . $route->controller::class . "->$route->method()", status::not_implemented->value);
 		}

mirzaev/minimal/system/http/enumerations/content.php

@@ -115,6 +115,7 @@ enum content: string
 		return match ($this) {
 			self::jpeg => 'jpg',
 			self::png => 'png',
+			self::webp => 'webp',
 			self::form, self::mixed, self::alternative, self::related => throw new exception_argument('Content can not have file extension', status::internal_server_error->value),
 			default => throw new exception_domain('Failed to recognize content: ' . $this->value, status::not_found->value)
 		};

mirzaev/minimal/system/http/enumerations/protocol.php

@@ -19,6 +19,8 @@ enum protocol: string
 	case http_3 = 'HTTP/3.0';
 	case http_2 = 'HTTP/2.0';
 	case http_1_1 = 'HTTP/1.1';
-	case http_1 = 'hTTP/1.0';
+	case http_1 = 'HTTP/1.0';
 	case http_0_9 = 'HTTP/0.9';
+
+	case cli = 'CLI';
 }

mirzaev/minimal/system/http/request.php

@@ -51,7 +51,7 @@ final class request
 	 */
 	public method $method {
 		// Write
-		set (method|string $value) {
+		set(method|string $value) {
 			if (isset($this->{__PROPERTY__})) {
 				// The property is already initialized
 
@@ -61,23 +61,23 @@ final class request
 
 			if ($value instanceof method) {
 				// Received implementation of the method
-		
+
 				// Writing
 				$this->method = $value;
 			} else {
 				// Received a string literal (excected name of the method)
-				
+
 				// Initializing implementator of the method
 				$method = method::{strtolower($value)};
 
 				if ($method instanceof method) {
 					// Initialized implementator of the method
-					
+
 					// Writing
 					$this->method = $method;
 				} else {
 					// Not initialized implementator of the method
-					
+
 					// Exit (fail)
 					throw new exception_domain('Failed to recognize method: ' . $value, status::not_implemented->value);
 				}
@@ -96,7 +96,7 @@ final class request
 	 */
 	public string $uri {
 		// Write
-		set (string $value) {
+		set(string $value) {
 			if (isset($this->{__PROPERTY__})) {
 				// The property is already initialized
 
@@ -121,7 +121,7 @@ final class request
 	 */
 	public protocol $protocol {
 		// Write
-		set (protocol|string $value) {
+		set(protocol|string $value) {
 			if (isset($this->{__PROPERTY__})) {
 				// The property is already initialized
 
@@ -131,23 +131,23 @@ final class request
 
 			if ($value instanceof protocol) {
 				// Received implementation of HTTP version
-		
+
 				// Writing
 				$this->protocol = $value;
 			} else {
 				// Received a string literal (excected name of HTTP version)
-				
+
 				// Initializing implementator of HTTP version
 				$protocol = protocol::tryFrom($value);
 
 				if ($protocol instanceof protocol) {
 					// Initialized implementator of HTTP version
-					
+
 					// Writing
 					$this->protocol = $protocol;
 				} else {
 					// Not initialized implementator of HTTP version
-					
+
 					// Exit (fail)
 					throw new exception_domain('Failed to recognize HTTP version: ' . $value, status::http_version_not_supported->value);
 				}
@@ -187,16 +187,16 @@ final class request
 	 */
 	public array $parameters {
 		// Write
-		set (array $value) {
+		set(array $value) {
 			if (isset($this->{__PROPERTY__})) {
 				// The property is already initialized
 
 				// Exit (fail)
 				throw new exception_runtime('The property is already initialized: ' . __PROPERTY__, status::internal_server_error->value);
 			}
-	
+
 			// Writing
-			$this->parameters = $value;	
+			$this->parameters = $value;
 		}
 
 		// Read
@@ -222,7 +222,7 @@ final class request
 	 */
 	public array $files {
 		// Write
-		set (array $value) {
+		set(array $value) {
 			if (isset($this->{__PROPERTY__})) {
 				// The property is already initialized
 
@@ -233,14 +233,14 @@ final class request
 			if (isset($this->method)) {
 				// Initialized method 
 
-				if ($this->method->body())	{
+				if ($this->method->body()) {
 					// Request with this method can has body
 
 					// Writing
-					$this->files = $value;	
+					$this->files = $value;
 				} else {
 					// Request with this method can not has body
-				
+
 					// Exit (fail)
 					throw new exception_logic('Request with ' . $this->method->value . ' method can not has body therefore can not has files', status::internal_server_error->value);
 				}
@@ -270,7 +270,7 @@ final class request
 	 */
 	public array $options {
 		// Write
-		set (array $value) {
+		set(array $value) {
 			if (isset($this->{__PROPERTY__})) {
 				// The property is already initialized
 
@@ -324,49 +324,60 @@ final class request
 		bool $environment = false
 	) {
 		// Writing method from argument into the property
-		if (isset($method)) $this->method = $method;
+		if (isset($method))
+			$this->method = $method;
 
 		// Writing URI from argument into the property
-		if (isset($uri)) $this->uri = $uri;
+		if (isset($uri))
+			$this->uri = $uri;
 
 		// Writing verstion of HTTP protocol from argument into the property
-		if (isset($protocol)) $this->protocol = $protocol;
+		if (isset($protocol))
+			$this->protocol = $protocol;
 
-		if (isset($headers)) {
+		// Declaring the buffer of headers
-			// Received headers
+		$buffer = [];
-			
-			// Declaring the buffer of headers
-			$buffer = [];
 
-			foreach ($headers ?? [] as $name => $value) {
+		foreach (
-				// Iterating over headers
+			match (true) {
+				isset($headers) => $headers,
+				php_sapi_name() !== 'cli' => getallheaders(),
+				default => []
+			} as $name => $value
+		) {
+			// Iterating over headers
 
-				// Normalizing name of header (https://www.rfc-editor.org/rfc/rfc7540#section-8.1.2)
+			// Normalizing name of header (https://www.rfc-editor.org/rfc/rfc7540#section-8.1.2)
-				$name = mb_strtolower($name, 'UTF-8');
+			$name = mb_strtolower($name, 'UTF-8');
 
-				if (empty($name)) {
+			if (empty($name)) {
-					// Not normalized name of header
+				// Not normalized name of header
-					
-					// Exit (fail)
-					throw new exception_domain('Failed to normalize name of header', status::internal_server_error->value);
-				} 
 
-				// Writing into the buffer of headers
+				// Exit (fail)
-				$buffer[$name] = $value;
+				throw new exception_domain('Failed to normalize name of header', status::internal_server_error->value);
 			}
 
-			// Writing headers from argument into the property
+			// Writing into the buffer of headers
-			$this->headers = $buffer;
+			$buffer[$name] = $value;
-
-			// Deinitializing the buffer of headers
-			unset($buffer);
 		}
 
+		if (!empty($buffer)) {
+			// Initialized at lease one header
+
+			// Writing headers into the property
+			$this->headers = $buffer;
+		}
+
+		// Deinitializing the buffer of headers
+		unset($buffer);
+
 		// Writing parameters from argument into the property
-		if (isset($parameters)) $this->parameters = $parameters;
+		if (isset($parameters))
+			$this->parameters = $parameters;
 
 		// Writing files from argument into the property
-		if (isset($files)) $this->files = $files;
+		if (isset($files))
+			$this->files = $files;
 
 		if ($environment) {
 			// Requested to write values from environment
@@ -380,37 +391,7 @@ final class request
 			// Writing verstion of HTTP protocol from environment into the property
 			$this->protocol ??= $_SERVER['SERVER_PROTOCOL'];
 
-			if (!isset($headers)) {
+			if (str_starts_with($this->headers['content-type'] ?? '', content::json->value)) {
-				// Received headers
-			
-				// Declaring the buffer of headers
-				$buffer = [];
-
-				foreach (getallheaders() ?? [] as $name => $value) {
-					// Iterating over headers
-
-					// Normalizing name of header (https://www.rfc-editor.org/rfc/rfc7540#section-8.1.2)
-					$name = mb_strtolower($name, 'UTF-8');
-
-					if (empty($name)) {
-						// Not normalized name of header
-					
-						// Exit (fail)
-						throw new exception_domain('Failed to normalize name of header', status::internal_server_error->value);
-					} 
-
-					// Writing into the buffer of headers
-					$buffer[$name] = $value;
-				}
-
-				// Writing headers from environment into the property
-				$this->headers = $buffer;
-
-				// Deinitializing the buffer of headers
-				unset($buffer);
-			}
-
-			if ($this->headers['content-type'] === content::json->value) {
 				// The body contains "application/json"
 
 				// Initializing data from the input buffer
@@ -438,10 +419,13 @@ final class request
 
 				// Writing files from environment into the property
 				$this->files = $_FILES ?? [];
-			}	else if ($this->method->body())	{
+			} else if ($this->method->body()) {
 				// Non POST method and can has body
 
-				if (match($this->headers['content-type']) { content::form->value, content::encoded->value => true, default => false }) {
+				if (
+					str_starts_with($this->headers['content-type'], content::form->value) ||
+					str_starts_with($this->headers['content-type'], content::encoded->value)
+				) {
 					// Non POST method and the body content type is "multipart/form-data" or "application/x-www-form-urlencoded"
 
 					// Writing parameters and files from environment into the properties
@@ -464,8 +448,10 @@ final class request
 		}
 
 		// Validating of required properties
-		if (empty($this->method)) throw new exception_argument('Failed to initialize method of the request', status::internal_server_error->value);
+		if (empty($this->method))
-		if (empty($this->uri)) throw new exception_argument('Failed to initialize URI of the request', status::internal_server_error->value);
+			throw new exception_argument('Failed to initialize method of the request', status::internal_server_error->value);
+		if (empty($this->uri))
+			throw new exception_argument('Failed to initialize URI of the request', status::internal_server_error->value);
 	}
 
 	/**
@@ -475,13 +461,13 @@ final class request
 	 * 
 	 * @return response Reponse for request
 	 */
-	public function response(): response 
+	public function response(): response
 	{
 		// Exit (success)
 		return new response(protocol: $this->protocol, status: status::ok);
 	}
 
-  /**
+	/**
 	 * Header
 	 *
 	 * Write a header to the headers property
@@ -493,7 +479,7 @@ final class request
 	 *
 	 * @return self The instance from which the method was called (fluent interface)
 	 */
-	public function header(string $name, string $value): self 
+	public function header(string $name, string $value): self
 	{
 		// Normalizing name of header and writing to the headers property (https://www.rfc-editor.org/rfc/rfc7540#section-8.1.2)
 		$this->headers[mb_strtolower($name, 'UTF-8')] = $value;

mirzaev/minimal/system/http/response.php

@@ -320,7 +320,7 @@ final class response
 	 */
 	public function validate(request $request): self|false
 	{
-		if (str_contains($request->headers['accept'], $this->headers['content-type'] ?? '')) {
+		if (str_contains($request->headers['accept'] ?? '', $this->headers['content-type'] ?? '')) {
 			// Validated with "accept" and "content-type"
 	
 			// Exit (success)
@@ -453,10 +453,10 @@ final class response
 		flush();
 
 		// Deinitializing headers property
-		unset($this->headers);
+		$this->headers = [];
 	
 		// Deinitializing headers
-		header_remove();
+		/* header_remove(); */
 		
 		// Exit (success)
 		return $this;

mirzaev/minimal/system/middleware.php

@@ -0,0 +1,63 @@
+<?php
+
+declare(strict_types=1);
+
+namespace mirzaev\minimal;
+
+// Files of the project
+use mirzaev\minimal\http\request,
+	mirzaev\minimal\route;
+
+// Built-in libraries
+use Closure as closure;
+
+/**
+ * Middleware
+ *
+ * @see https://en.wikipedia.org/wiki/Middleware Middlewares
+ *
+ * @package mirzaev\minimal
+ *
+ * @param closure $function Function
+ *
+ * @method void __construct(closure $function) Constructor
+ *
+ * @license http://www.wtfpl.net/ Do What The Fuck You Want To Public License
+ * @author Arsen Mirzaev Tatyano-Muradovich <arsen@mirzaev.sexy>
+ */
+final class middleware
+{
+	/**
+	 * Function
+	 * 
+	 * @var closure $function Function
+	 */
+	 public readonly closure $function;
+
+	/**
+	 * Constructor
+	 *
+	 * @param closure $function Function
+	 *
+	 * @return void
+	 */
+	public function __construct(closure $function)
+	{
+		// Writing the function
+		$this->function = $function;
+	}
+
+	/**
+	 * Invoke
+	 *
+	 * @param callable $next
+	 *
+	 * @return string Output
+	 */
+	 public function __invoke(callable $next): string
+	 {
+		 // Processing the middleware (entering into recursion)
+		
+		 return (string) ($this->function)(next: $next);
+	 }
+}

mirzaev/minimal/system/route.php

@@ -4,6 +4,11 @@ declare(strict_types=1);
 
 namespace mirzaev\minimal;
 
+// Files of the project
+use mirzaev\minimal\controller,
+	mirzaev\minimal\middleware,
+	mirzaev\minimal\traits\middleware as middleware_trait;
+
 /**
  * Route
  *
@@ -14,14 +19,18 @@ namespace mirzaev\minimal;
  * @param string|model $model Name of the model
  * @param array $parameters Arguments for the $this->method (will be concatenated together with generated request parameters)
  * @param array $options Options for `request_parse_body($options)`
+ * @param array $middlewares Stack of middlewares
  *
- * @method void __construct(string|controller $controller, ?string $method, string|model|null $model, array $parameters, array $options) Constructor
+ * @method void __construct(string|controller $controller, ?string $method, string|model|null $model, array $parameters, array $options, array $middlewares) Constructor
+ * @method self middleware(middleware $middleware) Middleware
  *
  * @license http://www.wtfpl.net/ Do What The Fuck You Want To Public License
  * @author Arsen Mirzaev Tatyano-Muradovich <arsen@mirzaev.sexy>
  */
 final class route
 {
+	use middleware_trait;
+
 	/**
 	 * Controller
 	 * 
@@ -37,7 +46,7 @@ final class route
 	 * 
 	 * @var string $method Name of the method of the method of $this->controller
 	 */
-	public string $method{
+	public string $method {
 		// Read
 		get => $this->method;
 	}
@@ -69,8 +78,8 @@ final class route
 	 *
 	 * Required if $this->method !== method::post
 	 *
-	 * @see https://wiki.php.net/rfc/rfc1867-non-post about request_parse_body()
+	 * @see https://wiki.php.net/rfc/rfc1867-non-post About request_parse_body()
-	 * @see https://wiki.php.net/rfc/property-hooks (find a table about backed and virtual hooks)
+	 * @see https://wiki.php.net/rfc/property-hooks Hooks (find a table about backed and virtual hooks)
 	 *
 	 * @throws exception_runtime if reinitialize the property
 	 * 
@@ -78,7 +87,7 @@ final class route
 	 */
 	public array $options {
 		// Write
-		set (array $value) {
+		set(array $value) {
 			if (isset($this->{__PROPERTY__})) {
 				// The property is already initialized
 
@@ -113,6 +122,7 @@ final class route
 	 * @param string|model|null $model Name of the model
 	 * @param array $parameters Arguments for the $method (will be concatenated together with generated request parameters)
 	 * @param array $options Options for `request_parse_body` (Only for POST method)
+	 * @param array $middlewares Middlewares stack
 	 *
 	 * @return void
 	 */
@@ -121,7 +131,8 @@ final class route
 		?string $method = 'index',
 		string|model|null $model = null,
 		array $parameters = [],
-		array $options = []
+		array $options = [],
+		array $middlewares = []
 	) {
 		// Writing name of the controller
 		$this->controller = $controller;
@@ -135,6 +146,32 @@ final class route
 		// Writing parameters
 		$this->parameters = $parameters;
 
+		// Declaring the register of the middlewares stack validity
+		$stack = true;
+
+		foreach ($middlewares as $middleware) {
+			// Iterating over middlewares
+
+			if ($middleware instanceof middleware) {
+				// Initialized the middleware
+			} else {
+				// Not initialized the middleware
+
+				// Writing the register of the middlewares stack validity
+				$stack = false;
+
+				// Exit (fail)
+				break;
+			}
+		}
+
+		if ($stack) {
+			// The middlewares stack is valid
+
+			// Writing the middlewares stack
+			$this->middlewares = $middlewares;
+		}
+
 		// Writing options
 		if (match ($method) {
 			'GET', 'PUT', 'PATCH', 'DELETE' => true,

mirzaev/minimal/system/router.php

@@ -7,7 +7,8 @@ namespace mirzaev\minimal;
 // Files of the project
 use mirzaev\minimal\route,
 	mirzaev\minimal\http\request,
-	mirzaev\minimal\traits\singleton;
+	mirzaev\minimal\traits\singleton,
+	mirzaev\minimal\traits\middleware as middleware_trait;
 
 // Build-ing libraries
 use InvalidArgumentException as exception_argument;
@@ -21,15 +22,17 @@ use InvalidArgumentException as exception_argument;
  *
  * @method self write(string $urn, route $route, string|array $method) Write route to registry of routes (fluent interface)
  * @method route|null match(request $request) Match request URI with registry of routes
- * @method self sort() Sort routes (DEV)
+ * @method self sort() Sort routes (DEVELOPMENT)
  * @method string universalize(string $urn) Universalize URN
+ * @method self middleware(middleware $middleware) Middleware
+ * @param array $middlewares Stack of middlewares
  *
  * @license http://www.wtfpl.net/ Do What The Fuck You Want To Public License
  * @author Arsen Mirzaev Tatyano-Muradovich <arsen@mirzaev.sexy>
  */
 final class router
 {
-	use singleton;
+	use singleton, middleware_trait;
 
 	/**
 	 * Routes

mirzaev/minimal/system/traits/middleware.php

@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+namespace mirzaev\minimal\traits;
+
+// Files of the project
+use mirzaev\minimal\middleware as instance;
+
+/**
+ * Trait of middleware
+ *
+ * @see https://en.wikipedia.org/wiki/Middleware Middlewares
+ *
+ * @package mirzaev\minimal\traits
+ *
+ * @param array $middlewares Stack of middlewares
+ *
+ * @method self middleware(middleware $middleware) Middleware
+ *
+ * @license http://www.wtfpl.net/ Do What The Fuck You Want To Public License
+ * @author Arsen Mirzaev Tatyano-Muradovich <arsen@mirzaev.sexy>
+ */
+trait middleware
+{
+	/**
+	 * Middlewares
+	 * 
+	 * @var array $middlewares The middlewares stack
+	 */
+	public array $middlewares = [] {
+		// Read
+		&get => $this->middlewares;
+	}
+
+	/**
+	 * Middleware
+	 *
+	 * Write the middleware into the middlewares stack
+	 *
+	 * @param instance $middleware The middleware
+	 *
+	 * @return self The instance from which the method was called (fluent interface)
+	 */
+	public function middleware(instance $middleware): self
+	{
+		// Writing into the middlewares stack
+		$this->middlewares[] = $middleware;
+
+		// Exit (success)
+		return $this;
+	}
+}