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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of Flight Routing. |
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* |
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* PHP version 7.1 and above required |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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* @copyright 2019 Biurad Group (https://biurad.com/) |
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* @license https://opensource.org/licenses/BSD-3-Clause License |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Flight\Routing; |
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use Flight\Routing\Routes\{FastRoute as Route, Route as BaseRoute}; |
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use Flight\Routing\Exceptions\{UriHandlerException, UrlGenerationException}; |
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use Flight\Routing\Generator\GeneratedUri; |
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use Flight\Routing\Interfaces\{RouteCompilerInterface, RouteMatcherInterface}; |
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use Psr\Http\Message\{ServerRequestInterface, UriInterface}; |
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/** |
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* The bidirectional route matcher responsible for matching |
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* HTTP request and generating url from routes. |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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*/ |
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final class RouteMatcher implements RouteMatcherInterface |
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{ |
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/** @var array<int,Route>|array<int,mixed> */ |
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private $routes; |
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/** @var RouteCompilerInterface */ |
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private $compiler; |
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/** @var string|null */ |
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private $generatedRegex; |
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/** |
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* @var callable |
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* |
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* @internal Returns an optimised routes data. |
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*/ |
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private $beforeSerialization = [Generator\RegexGenerator::class, 'beforeCaching']; |
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/** |
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* @param RouteCompilerInterface|null $compiler |
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*/ |
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public function __construct(RouteCollection $collection, RouteCompilerInterface $compiler = null) |
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{ |
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$this->compiler = $compiler ?? new RouteCompiler(); |
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$this->routes = $collection->getRoutes(); |
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} |
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/** |
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* @internal |
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*/ |
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public function __serialize(): array |
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{ |
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return ($this->beforeSerialization)($this->compiler, $this->getRoutes()); |
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} |
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/** |
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* @internal |
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* |
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* @param array<string,mixed> |
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*/ |
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public function __unserialize(array $data): void |
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{ |
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[$this->generatedRegex, $this->routes, $this->compiler] = $data; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function matchRequest(ServerRequestInterface $request): ?Route |
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{ |
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$requestUri = $request->getUri(); |
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// Resolve request path to match sub-directory or /index.php/path |
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if (!empty($pathInfo = $request->getServerParams()['PATH_INFO'] ?? '')) { |
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$requestUri = $requestUri->withPath($pathInfo); |
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} |
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return $this->match($request->getMethod(), $requestUri); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function match(string $method, UriInterface $uri): ?Route |
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{ |
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$requestPath = $uri->getPath(); |
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if (isset(BaseRoute::URL_PREFIX_SLASHES[$requestPath[-1]])) { |
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$requestPath = \substr($requestPath, 0, -1) ?: '/'; |
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} |
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if (null === $this->generatedRegex) { |
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foreach ($this->routes as $route) { |
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[$pathRegex, $hostsRegex, $variables] = $this->compiler->compile($route); |
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if ($pathRegex === $requestPath || 1 === \preg_match('#^' . $pathRegex . '$#u', $requestPath, $matches)) { |
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if (empty($variables)) { |
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return $route->match($method, $uri); |
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} |
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return self::doMatch($route, $uri, $hostsRegex, [$method, $variables, $matches ?? []]); |
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} |
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} |
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} elseif (1 === \preg_match($this->generatedRegex, $requestPath, $matches, \PREG_UNMATCHED_AS_NULL)) { |
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[$route, $hostsRegex, $variables] = $this->routes[$matches['MARK']]; |
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return self::doMatch($route, $uri, $hostsRegex, [$method, $variables, \array_filter($matches)]); |
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} |
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return null; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function generateUri(string $routeName, array $parameters = []): GeneratedUri |
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{ |
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foreach ($this->routes as $route) { |
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if (!$route instanceof Route) { |
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$route = $route[0]; |
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} |
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if ($routeName === $route->get('name')) { |
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return $this->compiler->generateUri($route, $parameters); |
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} |
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} |
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throw new UrlGenerationException(\sprintf('Unable to generate a URL for the named route "%s" as such route does not exist.', $routeName), 404); |
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} |
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/** |
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* Get the compiler associated with this class. |
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*/ |
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public function getCompiler(): RouteCompilerInterface |
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{ |
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return $this->compiler; |
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} |
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/** |
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* Get the routes associated with this class. |
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* |
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* @return Route[] |
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*/ |
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public function getRoutes(): array |
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{ |
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$routes = $this->routes; |
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if (null !== $this->generatedRegex) { |
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\array_walk($routes, static function (&$data): void { |
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$data = $data[0]; |
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}); |
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} |
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return $routes; |
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} |
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/** |
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* @param array<int,mixed> $routeData |
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*/ |
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private static function doMatch(Route $route, UriInterface $uri, ?string $hostsRegex, array $routeData): Route |
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{ |
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[$method, $variables, $matches] = $routeData; |
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$matchVar = 0; |
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if (!empty($hostsRegex)) { |
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$hostAndPost = $uri->getHost() . (null !== $uri->getPort() ? ':' . $uri->getPort() : ''); |
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if (1 !== \preg_match('#^' . $hostsRegex . '$#i', $hostAndPost, $hostsVar)) { |
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throw new UriHandlerException(\sprintf('Unfortunately current host "%s" is not allowed on requested path [%s].', $uri->getHost(), $uri->getPath()), 400); |
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} |
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} |
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foreach ($variables as $key => $value) { |
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$route->argument($key, $matches[++$matchVar] ?? $matches[$key] ?? $hostsVar[$key] ?? $value); |
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} |
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return $route->match($method, $uri); |
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} |
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} |
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divineniiquaye /
flight-routing
