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<?php |
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declare(strict_types=1); |
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namespace League\Route; |
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use FastRoute\RouteParser\Std; |
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use League\Route\Middleware\{MiddlewareAwareInterface, MiddlewareAwareTrait}; |
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use League\Route\Strategy\{StrategyAwareInterface, StrategyAwareTrait, StrategyInterface}; |
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use Psr\Container\ContainerInterface; |
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use Psr\Http\Message\{ResponseInterface, ServerRequestInterface}; |
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use Psr\Http\Server\{MiddlewareInterface, RequestHandlerInterface}; |
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use RuntimeException; |
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class Route implements |
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MiddlewareInterface, |
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MiddlewareAwareInterface, |
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RouteConditionHandlerInterface, |
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StrategyAwareInterface |
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{ |
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use MiddlewareAwareTrait; |
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use RouteConditionHandlerTrait; |
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use StrategyAwareTrait; |
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/** |
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* @var callable|string |
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*/ |
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protected $handler; |
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/** |
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* @var RouteGroup |
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*/ |
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protected $group; |
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/** |
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* @var string |
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*/ |
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protected $method; |
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/** |
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* @var string |
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*/ |
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protected $path; |
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/** |
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* @var array |
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*/ |
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protected $vars = []; |
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public function __construct(string $method, string $path, $handler) |
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{ |
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$this->method = $method; |
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$this->path = $path; |
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$this->handler = $handler; |
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} |
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public function getCallable(?ContainerInterface $container = null): callable |
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{ |
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$callable = $this->handler; |
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if (is_string($callable) && strpos($callable, '::') !== false) { |
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$callable = explode('::', $callable); |
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} |
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if (is_array($callable) && isset($callable[0]) && is_object($callable[0])) { |
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$callable = [$callable[0], $callable[1]]; |
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} |
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if (is_array($callable) && isset($callable[0]) && is_string($callable[0])) { |
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$callable = [$this->resolve($callable[0], $container), $callable[1]]; |
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} |
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if (is_string($callable)) { |
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$callable = $this->resolve($callable, $container); |
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} |
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if (!is_callable($callable)) { |
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throw new RuntimeException('Could not resolve a callable for this route'); |
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} |
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return $callable; |
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} |
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public function getMethod(): string |
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{ |
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return $this->method; |
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} |
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public function getParentGroup(): ?RouteGroup |
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{ |
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return $this->group; |
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} |
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public function getPath(?array $replacements = null): string |
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{ |
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if (null === $replacements) { |
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return $this->path; |
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} |
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$hasReplacementRegex = '/{(' . implode('|', array_keys($replacements)) . ')(:.*)?}/'; |
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preg_match_all('/\[(.*?)?{(?<keys>.*?)}/', $this->path, $matches); |
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$isOptionalRegex = '/(.*)?{(' |
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. implode('|', $matches['keys']) |
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. ')(:.*)?}(.*)?/' |
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; |
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$isPartiallyOptionalRegex = '/^([^\[\]{}]+)?\[((?:.*)?{(?:' |
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. implode('|', $matches['keys']) |
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. ')(?::.*)?}(?:.*)?)\]?([^\[\]{}]+)?(?:[\[\]]+)?$/' |
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; |
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$toReplace = []; |
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foreach ($replacements as $wildcard => $actual) { |
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$toReplace['/{' . preg_quote($wildcard, '/') . '(:.*)?}/'] = $actual; |
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} |
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$segments = []; |
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foreach (array_filter(explode('/', $this->path)) as $segment) { |
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// segment is partially optional with a wildcard, strip it if no match, tidy up if match |
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if (preg_match($isPartiallyOptionalRegex, $segment)) { |
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$segment = preg_match($hasReplacementRegex, $segment) |
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? preg_replace($isPartiallyOptionalRegex, '$1$2$3', $segment) |
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: preg_replace($isPartiallyOptionalRegex, '$1', $segment) |
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; |
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} |
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// segment either isn't a wildcard or there is a replacement |
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if (!preg_match('/{(.*?)}/', $segment) || preg_match($hasReplacementRegex, $segment)) { |
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$segments[] = preg_replace(['/\[$/', '/\]+$/'], '', $segment); |
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continue; |
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} |
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// segment is a required wildcard, no replacement, still gets added |
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if (!preg_match($isOptionalRegex, $segment)) { |
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$segments[] = preg_replace(['/\[$/', '/\]+$/'], '', $segment); |
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continue; |
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} |
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// segment is completely optional with no replacement, strip it and break |
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if (preg_match($isOptionalRegex, $segment) && !preg_match($hasReplacementRegex, $segment)) { |
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break; |
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} |
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} |
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return preg_replace(array_keys($toReplace), array_values($toReplace), '/' . implode('/', $segments)); |
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} |
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public function getVars(): array |
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{ |
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return $this->vars; |
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} |
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public function process( |
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ServerRequestInterface $request, |
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RequestHandlerInterface $handler |
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): ResponseInterface { |
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$strategy = $this->getStrategy(); |
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if (!($strategy instanceof StrategyInterface)) { |
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throw new RuntimeException('A strategy must be set to process a route'); |
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} |
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return $strategy->invokeRouteCallable($this, $request); |
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} |
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public function setParentGroup(RouteGroup $group): self |
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{ |
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$this->group = $group; |
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$prefix = $this->group->getPrefix(); |
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$path = $this->getPath(); |
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if (strcmp($prefix, substr($path, 0, strlen($prefix))) !== 0) { |
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$path = $prefix . $path; |
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$this->path = $path; |
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} |
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return $this; |
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} |
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public function setVars(array $vars): self |
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{ |
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$this->vars = $vars; |
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return $this; |
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} |
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protected function resolve(string $class, ?ContainerInterface $container = null) |
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{ |
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if ($container instanceof ContainerInterface && $container->has($class)) { |
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return $container->get($class); |
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} |
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if (class_exists($class)) { |
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3 |
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return new $class(); |
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} |
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return $class; |
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} |
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} |
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thephpleague /
route
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