142 lines
5.0 KiB
PHP
142 lines
5.0 KiB
PHP
<?php
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/**
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* This file is part of webman.
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the MIT-LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @author walkor<walkor@workerman.net>
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* @copyright walkor<walkor@workerman.net>
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* @link http://www.workerman.net/
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* @license http://www.opensource.org/licenses/mit-license.php MIT License
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*/
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namespace Webman;
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use Closure;
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use ReflectionAttribute;
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use Webman\Route\Route;
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use ReflectionClass;
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use ReflectionMethod;
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use RuntimeException;
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use function array_merge;
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use function array_reverse;
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use function is_array;
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use function method_exists;
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class Middleware
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{
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/**
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* @var array
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*/
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protected static $instances = [];
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/**
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* @param mixed $allMiddlewares
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* @param string $plugin
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* @return void
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*/
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public static function load($allMiddlewares, string $plugin = '')
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{
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if (!is_array($allMiddlewares)) {
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return;
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}
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foreach ($allMiddlewares as $appName => $middlewares) {
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if (!is_array($middlewares)) {
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throw new RuntimeException('Bad middleware config');
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}
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if ($appName === '@') {
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$plugin = '';
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}
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if (strpos($appName, 'plugin.') !== false) {
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$explode = explode('.', $appName, 4);
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$plugin = $explode[1];
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$appName = $explode[2] ?? '';
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}
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foreach ($middlewares as $className) {
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if (method_exists($className, 'process')) {
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static::$instances[$plugin][$appName][] = [$className, 'process'];
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} else {
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// @todo Log
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echo "middleware $className::process not exsits\n";
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}
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}
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}
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}
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/**
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* @param string $plugin
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* @param string $appName
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* @param string|array|Closure $controller
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* @param Route|null $route
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* @param bool $withGlobalMiddleware
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* @return array
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*/
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public static function getMiddleware(string $plugin, string $appName, string|array|Closure $controller, Route|null $route, bool $withGlobalMiddleware = true): array
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{
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$isController = is_array($controller) && is_string($controller[0]);
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$globalMiddleware = $withGlobalMiddleware ? static::$instances['']['@'] ?? [] : [];
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$appGlobalMiddleware = $withGlobalMiddleware && isset(static::$instances[$plugin]['']) ? static::$instances[$plugin][''] : [];
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$middlewares = $routeMiddlewares = [];
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// Route middleware
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if ($route) {
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foreach (array_reverse($route->getMiddleware()) as $className) {
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$routeMiddlewares[] = [$className, 'process'];
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}
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}
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if ($isController && $controller[0] && class_exists($controller[0])) {
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// Controller middleware annotation
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$reflectionClass = new ReflectionClass($controller[0]);
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self::prepareAttributeMiddlewares($middlewares, $reflectionClass);
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// Controller middleware property
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if ($reflectionClass->hasProperty('middleware')) {
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$defaultProperties = $reflectionClass->getDefaultProperties();
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$middlewaresClasses = $defaultProperties['middleware'];
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foreach ((array)$middlewaresClasses as $className) {
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$middlewares[] = [$className, 'process'];
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}
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}
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// Route middleware
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$middlewares = array_merge($middlewares, $routeMiddlewares);
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// Method middleware annotation
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if ($reflectionClass->hasMethod($controller[1])) {
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self::prepareAttributeMiddlewares($middlewares, $reflectionClass->getMethod($controller[1]));
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}
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} else {
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// Route middleware
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$middlewares = array_merge($middlewares, $routeMiddlewares);
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}
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if ($appName === '') {
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return array_reverse(array_merge($globalMiddleware, $appGlobalMiddleware, $middlewares));
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}
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$appMiddleware = static::$instances[$plugin][$appName] ?? [];
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return array_reverse(array_merge($globalMiddleware, $appGlobalMiddleware, $appMiddleware, $middlewares));
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}
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/**
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* @param array $middlewares
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* @param ReflectionClass|ReflectionMethod $reflection
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* @return void
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*/
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private static function prepareAttributeMiddlewares(array &$middlewares, ReflectionClass|ReflectionMethod $reflection): void
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{
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$middlewareAttributes = $reflection->getAttributes(Annotation\Middleware::class, ReflectionAttribute::IS_INSTANCEOF);
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foreach ($middlewareAttributes as $middlewareAttribute) {
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$middlewareAttributeInstance = $middlewareAttribute->newInstance();
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$middlewares = array_merge($middlewares, $middlewareAttributeInstance->getMiddlewares());
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}
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}
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/**
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* @return void
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* @deprecated
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*/
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public static function container($_)
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{
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}
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}
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