<?php 
 
/* 
 * This file is part of the Symfony package. 
 * 
 * (c) Fabien Potencier <fabien@symfony.com> 
 * 
 * For the full copyright and license information, please view the LICENSE 
 * file that was distributed with this source code. 
 */ 
 
namespace Symfony\Component\HttpKernel\DataCollector; 
 
use Symfony\Component\EventDispatcher\EventSubscriberInterface; 
use Symfony\Component\HttpFoundation\Cookie; 
use Symfony\Component\HttpFoundation\ParameterBag; 
use Symfony\Component\HttpFoundation\Request; 
use Symfony\Component\HttpFoundation\RequestStack; 
use Symfony\Component\HttpFoundation\Response; 
use Symfony\Component\HttpFoundation\Session\SessionBagInterface; 
use Symfony\Component\HttpFoundation\Session\SessionInterface; 
use Symfony\Component\HttpKernel\Event\ControllerEvent; 
use Symfony\Component\HttpKernel\Event\ResponseEvent; 
use Symfony\Component\HttpKernel\KernelEvents; 
use Symfony\Component\VarDumper\Cloner\Data; 
 
/** 
 * @author Fabien Potencier <fabien@symfony.com> 
 * 
 * @final 
 */ 
class RequestDataCollector extends DataCollector implements EventSubscriberInterface, LateDataCollectorInterface 
{ 
    /** 
     * @var \SplObjectStorage<Request, callable> 
     */ 
    private $controllers; 
    private $sessionUsages = []; 
    private $requestStack; 
 
    public function __construct(RequestStack $requestStack = null) 
    { 
        $this->controllers = new \SplObjectStorage(); 
        $this->requestStack = $requestStack; 
    } 
 
    /** 
     * {@inheritdoc} 
     */ 
    public function collect(Request $request, Response $response, \Throwable $exception = null) 
    { 
        // attributes are serialized and as they can be anything, they need to be converted to strings. 
        $attributes = []; 
        $route = ''; 
        foreach ($request->attributes->all() as $key => $value) { 
            if ('_route' === $key) { 
                $route = \is_object($value) ? $value->getPath() : $value; 
                $attributes[$key] = $route; 
            } else { 
                $attributes[$key] = $value; 
            } 
        } 
 
        $content = $request->getContent(); 
 
        $sessionMetadata = []; 
        $sessionAttributes = []; 
        $flashes = []; 
        if ($request->hasSession()) { 
            $session = $request->getSession(); 
            if ($session->isStarted()) { 
                $sessionMetadata['Created'] = date(\DATE_RFC822, $session->getMetadataBag()->getCreated()); 
                $sessionMetadata['Last used'] = date(\DATE_RFC822, $session->getMetadataBag()->getLastUsed()); 
                $sessionMetadata['Lifetime'] = $session->getMetadataBag()->getLifetime(); 
                $sessionAttributes = $session->all(); 
                $flashes = $session->getFlashBag()->peekAll(); 
            } 
        } 
 
        $statusCode = $response->getStatusCode(); 
 
        $responseCookies = []; 
        foreach ($response->headers->getCookies() as $cookie) { 
            $responseCookies[$cookie->getName()] = $cookie; 
        } 
 
        $dotenvVars = []; 
        foreach (explode(',', $_SERVER['SYMFONY_DOTENV_VARS'] ?? $_ENV['SYMFONY_DOTENV_VARS'] ?? '') as $name) { 
            if ('' !== $name && isset($_ENV[$name])) { 
                $dotenvVars[$name] = $_ENV[$name]; 
            } 
        } 
 
        $this->data = [ 
            'method' => $request->getMethod(), 
            'format' => $request->getRequestFormat(), 
            'content_type' => $response->headers->get('Content-Type', 'text/html'), 
            'status_text' => Response::$statusTexts[$statusCode] ?? '', 
            'status_code' => $statusCode, 
            'request_query' => $request->query->all(), 
            'request_request' => $request->request->all(), 
            'request_files' => $request->files->all(), 
            'request_headers' => $request->headers->all(), 
            'request_server' => $request->server->all(), 
            'request_cookies' => $request->cookies->all(), 
            'request_attributes' => $attributes, 
            'route' => $route, 
            'response_headers' => $response->headers->all(), 
            'response_cookies' => $responseCookies, 
            'session_metadata' => $sessionMetadata, 
            'session_attributes' => $sessionAttributes, 
            'session_usages' => array_values($this->sessionUsages), 
            'stateless_check' => $this->requestStack && ($mainRequest = $this->requestStack->getMainRequest()) && $mainRequest->attributes->get('_stateless', false), 
            'flashes' => $flashes, 
            'path_info' => $request->getPathInfo(), 
            'controller' => 'n/a', 
            'locale' => $request->getLocale(), 
            'dotenv_vars' => $dotenvVars, 
        ]; 
 
        if (isset($this->data['request_headers']['php-auth-pw'])) { 
            $this->data['request_headers']['php-auth-pw'] = '******'; 
        } 
 
        if (isset($this->data['request_server']['PHP_AUTH_PW'])) { 
            $this->data['request_server']['PHP_AUTH_PW'] = '******'; 
        } 
 
        if (isset($this->data['request_request']['_password'])) { 
            $encodedPassword = rawurlencode($this->data['request_request']['_password']); 
            $content = str_replace('_password='.$encodedPassword, '_password=******', $content); 
            $this->data['request_request']['_password'] = '******'; 
        } 
 
        $this->data['content'] = $content; 
 
        foreach ($this->data as $key => $value) { 
            if (!\is_array($value)) { 
                continue; 
            } 
            if ('request_headers' === $key || 'response_headers' === $key) { 
                $this->data[$key] = array_map(function ($v) { return isset($v[0]) && !isset($v[1]) ? $v[0] : $v; }, $value); 
            } 
        } 
 
        if (isset($this->controllers[$request])) { 
            $this->data['controller'] = $this->parseController($this->controllers[$request]); 
            unset($this->controllers[$request]); 
        } 
 
        if ($request->attributes->has('_redirected') && $redirectCookie = $request->cookies->get('sf_redirect')) { 
            $this->data['redirect'] = json_decode($redirectCookie, true); 
 
            $response->headers->clearCookie('sf_redirect'); 
        } 
 
        if ($response->isRedirect()) { 
            $response->headers->setCookie(new Cookie( 
                'sf_redirect', 
                json_encode([ 
                    'token' => $response->headers->get('x-debug-token'), 
                    'route' => $request->attributes->get('_route', 'n/a'), 
                    'method' => $request->getMethod(), 
                    'controller' => $this->parseController($request->attributes->get('_controller')), 
                    'status_code' => $statusCode, 
                    'status_text' => Response::$statusTexts[$statusCode], 
                ]), 
                0, '/', null, $request->isSecure(), true, false, 'lax' 
            )); 
        } 
 
        $this->data['identifier'] = $this->data['route'] ?: (\is_array($this->data['controller']) ? $this->data['controller']['class'].'::'.$this->data['controller']['method'].'()' : $this->data['controller']); 
 
        if ($response->headers->has('x-previous-debug-token')) { 
            $this->data['forward_token'] = $response->headers->get('x-previous-debug-token'); 
        } 
    } 
 
    public function lateCollect() 
    { 
        $this->data = $this->cloneVar($this->data); 
    } 
 
    public function reset() 
    { 
        $this->data = []; 
        $this->controllers = new \SplObjectStorage(); 
        $this->sessionUsages = []; 
    } 
 
    public function getMethod() 
    { 
        return $this->data['method']; 
    } 
 
    public function getPathInfo() 
    { 
        return $this->data['path_info']; 
    } 
 
    public function getRequestRequest() 
    { 
        return new ParameterBag($this->data['request_request']->getValue()); 
    } 
 
    public function getRequestQuery() 
    { 
        return new ParameterBag($this->data['request_query']->getValue()); 
    } 
 
    public function getRequestFiles() 
    { 
        return new ParameterBag($this->data['request_files']->getValue()); 
    } 
 
    public function getRequestHeaders() 
    { 
        return new ParameterBag($this->data['request_headers']->getValue()); 
    } 
 
    public function getRequestServer(bool $raw = false) 
    { 
        return new ParameterBag($this->data['request_server']->getValue($raw)); 
    } 
 
    public function getRequestCookies(bool $raw = false) 
    { 
        return new ParameterBag($this->data['request_cookies']->getValue($raw)); 
    } 
 
    public function getRequestAttributes() 
    { 
        return new ParameterBag($this->data['request_attributes']->getValue()); 
    } 
 
    public function getResponseHeaders() 
    { 
        return new ParameterBag($this->data['response_headers']->getValue()); 
    } 
 
    public function getResponseCookies() 
    { 
        return new ParameterBag($this->data['response_cookies']->getValue()); 
    } 
 
    public function getSessionMetadata() 
    { 
        return $this->data['session_metadata']->getValue(); 
    } 
 
    public function getSessionAttributes() 
    { 
        return $this->data['session_attributes']->getValue(); 
    } 
 
    public function getStatelessCheck() 
    { 
        return $this->data['stateless_check']; 
    } 
 
    public function getSessionUsages() 
    { 
        return $this->data['session_usages']; 
    } 
 
    public function getFlashes() 
    { 
        return $this->data['flashes']->getValue(); 
    } 
 
    public function getContent() 
    { 
        return $this->data['content']; 
    } 
 
    public function isJsonRequest() 
    { 
        return 1 === preg_match('{^application/(?:\w+\++)*json$}i', $this->data['request_headers']['content-type']); 
    } 
 
    public function getPrettyJson() 
    { 
        $decoded = json_decode($this->getContent()); 
 
        return \JSON_ERROR_NONE === json_last_error() ? json_encode($decoded, \JSON_PRETTY_PRINT) : null; 
    } 
 
    public function getContentType() 
    { 
        return $this->data['content_type']; 
    } 
 
    public function getStatusText() 
    { 
        return $this->data['status_text']; 
    } 
 
    public function getStatusCode() 
    { 
        return $this->data['status_code']; 
    } 
 
    public function getFormat() 
    { 
        return $this->data['format']; 
    } 
 
    public function getLocale() 
    { 
        return $this->data['locale']; 
    } 
 
    public function getDotenvVars() 
    { 
        return new ParameterBag($this->data['dotenv_vars']->getValue()); 
    } 
 
    /** 
     * Gets the route name. 
     * 
     * The _route request attributes is automatically set by the Router Matcher. 
     */ 
    public function getRoute(): string 
    { 
        return $this->data['route']; 
    } 
 
    public function getIdentifier() 
    { 
        return $this->data['identifier']; 
    } 
 
    /** 
     * Gets the route parameters. 
     * 
     * The _route_params request attributes is automatically set by the RouterListener. 
     */ 
    public function getRouteParams(): array 
    { 
        return isset($this->data['request_attributes']['_route_params']) ? $this->data['request_attributes']['_route_params']->getValue() : []; 
    } 
 
    /** 
     * Gets the parsed controller. 
     * 
     * @return array|string|Data The controller as a string or array of data 
     *                           with keys 'class', 'method', 'file' and 'line' 
     */ 
    public function getController() 
    { 
        return $this->data['controller']; 
    } 
 
    /** 
     * Gets the previous request attributes. 
     * 
     * @return array|Data|false A legacy array of data from the previous redirection response 
     *                          or false otherwise 
     */ 
    public function getRedirect() 
    { 
        return $this->data['redirect'] ?? false; 
    } 
 
    public function getForwardToken() 
    { 
        return $this->data['forward_token'] ?? null; 
    } 
 
    public function onKernelController(ControllerEvent $event) 
    { 
        $this->controllers[$event->getRequest()] = $event->getController(); 
    } 
 
    public function onKernelResponse(ResponseEvent $event) 
    { 
        if (!$event->isMainRequest()) { 
            return; 
        } 
 
        if ($event->getRequest()->cookies->has('sf_redirect')) { 
            $event->getRequest()->attributes->set('_redirected', true); 
        } 
    } 
 
    public static function getSubscribedEvents(): array 
    { 
        return [ 
            KernelEvents::CONTROLLER => 'onKernelController', 
            KernelEvents::RESPONSE => 'onKernelResponse', 
        ]; 
    } 
 
    /** 
     * {@inheritdoc} 
     */ 
    public function getName(): string 
    { 
        return 'request'; 
    } 
 
    public function collectSessionUsage(): void 
    { 
        $trace = debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS); 
 
        $traceEndIndex = \count($trace) - 1; 
        for ($i = $traceEndIndex; $i > 0; --$i) { 
            if (null !== ($class = $trace[$i]['class'] ?? null) && (is_subclass_of($class, SessionInterface::class) || is_subclass_of($class, SessionBagInterface::class))) { 
                $traceEndIndex = $i; 
                break; 
            } 
        } 
 
        if ((\count($trace) - 1) === $traceEndIndex) { 
            return; 
        } 
 
        // Remove part of the backtrace that belongs to session only 
        array_splice($trace, 0, $traceEndIndex); 
 
        // Merge identical backtraces generated by internal call reports 
        $name = sprintf('%s:%s', $trace[1]['class'] ?? $trace[0]['file'], $trace[0]['line']); 
        if (!\array_key_exists($name, $this->sessionUsages)) { 
            $this->sessionUsages[$name] = [ 
                'name' => $name, 
                'file' => $trace[0]['file'], 
                'line' => $trace[0]['line'], 
                'trace' => $trace, 
            ]; 
        } 
    } 
 
    /** 
     * @param string|object|array|null $controller The controller to parse 
     * 
     * @return array|string An array of controller data or a simple string 
     */ 
    private function parseController($controller) 
    { 
        if (\is_string($controller) && str_contains($controller, '::')) { 
            $controller = explode('::', $controller); 
        } 
 
        if (\is_array($controller)) { 
            try { 
                $r = new \ReflectionMethod($controller[0], $controller[1]); 
 
                return [ 
                    'class' => \is_object($controller[0]) ? get_debug_type($controller[0]) : $controller[0], 
                    'method' => $controller[1], 
                    'file' => $r->getFileName(), 
                    'line' => $r->getStartLine(), 
                ]; 
            } catch (\ReflectionException $e) { 
                if (\is_callable($controller)) { 
                    // using __call or  __callStatic 
                    return [ 
                        'class' => \is_object($controller[0]) ? get_debug_type($controller[0]) : $controller[0], 
                        'method' => $controller[1], 
                        'file' => 'n/a', 
                        'line' => 'n/a', 
                    ]; 
                } 
            } 
        } 
 
        if ($controller instanceof \Closure) { 
            $r = new \ReflectionFunction($controller); 
 
            $controller = [ 
                'class' => $r->getName(), 
                'method' => null, 
                'file' => $r->getFileName(), 
                'line' => $r->getStartLine(), 
            ]; 
 
            if (str_contains($r->name, '{closure}')) { 
                return $controller; 
            } 
            $controller['method'] = $r->name; 
 
            if ($class = $r->getClosureScopeClass()) { 
                $controller['class'] = $class->name; 
            } else { 
                return $r->name; 
            } 
 
            return $controller; 
        } 
 
        if (\is_object($controller)) { 
            $r = new \ReflectionClass($controller); 
 
            return [ 
                'class' => $r->getName(), 
                'method' => null, 
                'file' => $r->getFileName(), 
                'line' => $r->getStartLine(), 
            ]; 
        } 
 
        return \is_string($controller) ? $controller : 'n/a'; 
    } 
}