function resolve(Request $request, Response $response) { if ($response->status() != 200) { return; // only normal response will be processed } foreach ((array) $request->meta('output') as $outputFilter) { // format: func([param1[,param2[,param3 ...]]]) if (preg_match('/(\\w+)\\(([\\w\\s,]*)\\)/', $outputFilter, $matches)) { $func = @$this->funcMap[$matches[1]]; if (is_callable($func)) { if (@$matches[2]) { $func = call_user_func_array($func, explode(',', $matches[2])); } if (is_callable($func)) { try { $response->send(call_user_func_array($func, array($response->body()))); } catch (\Exception $e) { Log::error(sprintf('[InvokerPostProcessor] Error calling %s(): %s @ %s:%d', $matches[1], $e->getMessage(), basename($e->getFile()), $e->getLine()), $e->getTrace()); $response->send(array('error' => $e->getMessage(), 'code' => $e->getCode()), 500); } } } } } }
public function resolve(Request $request, Response $response) { // No more successful resolve should occur at this point. if (!$response->status()) { $response->status(404); } if ($response->body() || is_array($response->body())) { return; } // Check if docment of target status and mime type exists. switch ($response->header('Content-Type')) { case 'application/xhtml+xml': case 'text/html': default: $ext = 'html'; break; case 'application/json': $ext = 'json'; break; case 'application/xml': case 'text/xml': $ext = 'xml'; break; } $basename = $this->pathPrefix() . '/' . $response->status(); if (isset($ext) && file_exists("{$basename}.{$ext}")) { readfile("{$basename}.{$ext}"); } else { if (file_exists("{$basename}.php")) { $context = array('request' => $request, 'response' => $response); (new IncludeRenderer($context))->render("{$basename}.php"); } else { if ($ext != 'html' && file_exists("{$basename}.html")) { readfile("{$basename}.html"); } } } }
public function resolve(Request $request, Response $response) { $path = $this->srcPath . $request->uri('path') . '.url'; // Check if target file is a proxy. if (!is_file($path)) { return; } $cacheTarget = parse_ini_file($path); $cacheTarget = @$cacheTarget['URL']; unset($path); if (!$cacheTarget) { Log::warning('Proxy file has not URL parameter.', array('requestUri' => $request->uri(), 'proxyFile' => $request->uri('path') . '.uri')); $response->status(502); // Bad Gateway return; } /*! Cache Header Notes * * # Cache-Control * [public | private] Cacheable when public, otherwise the client is responsible for caching. * [no-cache( \w+)?] When no fields are specified, the whole thing must revalidate everytime, * otherwise cache it except specified fields. * [no-store] Ignore caching and pipe into output. * [max-age=\d+] Seconds before this cache is meant to expire, this overrides Expires header. * [s-maxage=\d+] Overrides max-age and Expires header, behaves just like max-age. * (This is for CDN and we are using it.) * [must-revalidate] Tells those CDNs which are intended to serve stale contents to revalidate every time. * [proxy-revalidate] Like the "s-" version of max-age, a "must-revalidate" override only for CDN. * [no-transform] Some CDNs will optimize images and other formats, this "opt-out" of it. * * # Expires * RFC timestamp for an absolute cache expiration, overridden by Cache-Control header. * * # ETag * Hash of anything, weak ETags is not supported at this moment. * * # vary * Too much fun inside and we are too serious about caching, ignore this. * * # pragma * This guy is too old to recognize. * [no-cache] Only this is known nowadays and is already succeed by Cache-Control: no-cache. * */ // note; Use "cache-meta://" scheme for header and cache meta info, for performance. // 1. Check if cache exists. $cache = (array) Cache::get("cache-meta://{$cacheTarget}"); // Cache expiration, in seconds. // expires = ( s-maxage || max-age || Expires ); if (@$cache['expires'] && time() > $cache['expires']) { Cache::delete("cache-meta://{$cacheTarget}"); Cache::delete("cache://{$cacheTarget}"); $cache = null; } // - If not exists, make normal request to remote server. // - If exists, make conditional request to remote server. // - Revalidation, we can skip this request and serve the content if false. // revalidates = ( Cache-Control:proxy-revalidate || Cache-Control:must-revalidate ) if (!$cache || @$cache['revalidates']) { $_request = array('uri' => $cacheTarget); if ($cache) { // Last-Modified if (@$cache['headers']['Last-Modified']) { $_request['headers']['If-Modified-Since'] = $cache['Last-Modified']; } // Entity-Tag if (@$cache['headers']['ETag'] && strpos($cache['headers']['ETag'], 'W\\') !== 0) { $_request['headers']['If-None-Match'] = $cache['ETag']; } } else { $cache = array(); } // Make the request $_response = new Response(array('autoOutput' => false)); (new Request($_request))->send(null, $_response); unset($_request); // parse headers into cache settings. if (in_array($_response->status(), array(200, 304))) { $res = preg_split('/\\s*,\\s*/', util::unwrapAssoc($_response->header('Cache-Control'))); $res = array_reduce($res, function ($res, $value) { // todo; Take care of no-cache with field name. if (strpos($value, '=') > 0) { $value = explode('=', $value); $res[$value[0]] = $value[1]; } else { $res[$value] = true; } return $res; }, array()); // private, no-store, no-cache if (@$res['private'] || @$res['no-store'] || @$res['no-cache']) { // note; in case the upstream server change this to uncacheable Cache::delete("cache-meta://{$cacheTarget}"); Cache::delete("cache://{$cacheTarget}"); $_response->clearBody(); } if ($_response->status() == 200 && $_response->body()) { $cache['contents'] = $_response->body(); } // expires = ( s-maxage || max-age || Expires ); if (@$res['s-maxage']) { $cache['expires'] = time() + $res['s-maxage']; } elseif (@$res['max-age']) { $cache['expires'] = time() + $res['max-age']; } else { $res = util::unwrapAssoc($_response->header('Expires')); if ($res) { $cache['expires'] = strtotime($res); } } // revalidates = ( Cache-Control:proxy-revalidate || Cache-Control:must-revalidate ) if (@$res['proxy-revalidate'] || @$res['must-revalidate']) { $cache['revalidates'] = true; } unset($res); } $cache['headers'] = array_map('core\\Utility::unwrapAssoc', $_response->header()); // PHP does not support chunked, skip this one. unset($cache['headers']['Transfer-Encoding']); // note; If cache is to be ignored, the $cacheTarget variable will be already unset(). if (isset($cacheTarget)) { if (@$cache['contents']) { Cache::set("cache://{$cacheTarget}", $cache['contents']); } Cache::set("cache-meta://{$cacheTarget}", array_filter_keys($cache, isNot('contents'))); } unset($_response); } // note; Send cache headers regardless of the request condition. if (@$cache['headers']) { $response->clearHeaders(); foreach ($cache['headers'] as $name => $value) { $response->header($name, $value, true); } unset($name, $value); } // note; Handles conditional request $ch = array_map('core\\Utility::unwrapAssoc', (array) @$cache['headers']); $mtime = @$ch['Last-Modified'] ? strtotime($ch['Last-Modified']) : false; // Request headr: If-Modified-Since if (@$ch['Last-Modified'] && $mtime) { if (strtotime($request->header('If-Modified-Since')) >= $mtime) { return $response->status(304); } } // Request header: If-Range if ($request->header('If-Range')) { // Entity tag if (strpos(substr($request->header('If-Range'), 0, 2), '"') !== false && @$ch['ETag']) { if ($this->compareETags(@$ch['ETag'], $request->header('If-Range'))) { return $this->response()->status(304); } } elseif (strtotime($request->header('If-Range')) === $mtime) { return $this->response()->status(304); } } unset($mtime); // Request header: If-None-Match if (!$request->header('If-Modified-Since') && $request->header('If-None-Match')) { // Exists but not GET or HEAD switch ($request->method()) { case 'get': case 'head': break; default: return $this->response()->status(412); } /*! Note by Vicary @ 24 Jan, 2013 * If-None-Match means 304 when target resources exists. */ if ($request->header('If-None-Match') === '*' && @$ch['ETag']) { return $this->response()->status(304); } if ($this->compareETags(@$ch['ETag'], preg_split('/\\s*,\\s*/', $request->header('If-None-Match')))) { return $this->response()->status(304); } } // Request header: If-Match if (!$request->header('If-Modified-Since') && $request->header('If-Match')) { // Exists but not GET or HEAD switch ($request->method()) { case 'get': case 'head': break; default: return $this->response()->status(412); } if ($request->header('If-Match') === '*' && !@$ch['ETag']) { return $this->response()->status(412); } preg_match_all('/(?:^\\*$|(:?"([^\\*"]+)")(?:\\s*,\\s*(:?"([^\\*"]+)")))$/', $request->header('If-Match'), $eTags); // 412 Precondition Failed when nothing matches. if (@$eTags[1] && !in_array($eTag, (array) $eTags[1])) { return $this->response()->status(412); } } if ($cacheTarget && empty($cache['contents'])) { $cache['contents'] = Cache::get("cache://{$cacheTarget}"); } // Output the cahce content $response->send($cache['contents'], 200); }
public function resolve(Request $request, Response $response) { // Stop processing when previous resolvers has done something and given a response status code. if ($response->status()) { return; } $path = $request->uri('path'); // note; decode escaped URI characters into escaped shell path $path = preg_replace_callback('/%([\\dA-F]{2,2})/i', function ($matches) { return '\\' . chr(hexdec($matches[1])); }, $path); // Store original request if (empty($request->__directoryIndex)) { $request->__uri = $request->uri(); } if (stripos($path, $this->pathPrefix) === 0) { $path = substr($path, strlen($this->pathPrefix)); } if (strpos($path, '?') !== false) { $path = strstr($path, '?', true); } $path = urldecode($path); if (!$path) { $path = './'; } //------------------------------ // Emulate DirectoryIndex //------------------------------ if (is_dir($path)) { if (!is_file($path) && !isset($request->__directoryIndex)) { // Prevent redirection loop $request->__directoryIndex = true; foreach ($this->directoryIndex() as $file) { $request->setUri(preg_replace('/^\\.\\//', '', $path) . $file); // Exit whenever an index is handled successfully, this will exit. if ($this->resolve($request, $response)) { return; } } unset($request->__directoryIndex); // Nothing works, going down. if (isset($request->__uri)) { $request->setUri($request->__uri); } } } else { if (empty($request->__directoryIndex)) { $dirname = dirname($path); if ($dirname == '.') { $dirname = '/'; } if (in_array(pathinfo($path, PATHINFO_FILENAME), $this->directoryIndex())) { // extension-less if (!pathinfo($path, PATHINFO_EXTENSION) || is_file($path)) { $response->redirect($dirname); return true; } } unset($dirname); } } //------------------------------ // Virtual file handling //------------------------------ $this->createVirtualFile($path); if (is_file($path)) { try { $this->handle($path, $request, $response); } catch (ResolverException $e) { $response->status($e->statusCode()); } if (!$response->status()) { $response->status(200); } return true; } }
public function resolve(Request $req, Response $res) { $auth = $this->paths; $pathNodes = trim($req->uri('path'), '/'); if ($pathNodes) { $pathNodes = explode('/', $pathNodes); } else { $pathNodes = ['/']; } $lastWildcard = @$auth['*']; foreach ($pathNodes as $index => $pathNode) { if (!util::isAssoc($auth)) { break; // No more definitions, break out. } if (isset($auth['*'])) { $lastWildcard = $auth['*']; } if (isset($auth[$pathNode])) { $auth = $auth[$pathNode]; } else { unset($auth); break; } } if (!isset($auth) || !is_bool($auth) && (!is_array($auth) || util::isAssoc($auth))) { if (empty($lastWildcard)) { throw new FrameworkException('Unable to resolve authentication chain from request URI.'); } else { $auth = $lastWildcard; } } unset($pathNodes, $lastWildcard); // Numeric array if (is_array($auth) && !util::isAssoc($auth)) { $auth = array_reduce($auth, function ($result, $auth) use($req) { if (!$result) { return $result; } if (is_callable($auth)) { $auth = $auth($req); } else { if (is_string($auth)) { if (strpos($auth, '/') === false) { $auth = "authenticators\\{$auth}"; } if (is_a($auth, 'framework\\interfaces\\IAuthenticator', true)) { $result = $result && $auth::authenticate($req); } else { throw new FrameworkException('Unknown authenticator type, must be ' . 'instance of IAuthenticator or callable.'); } } else { throw new FrameworkException('Unknown authenticator type, must be ' . 'instance of IAuthenticator or callable.'); } } return $result && $auth; }, true); } // Boolean if (is_bool($auth) && !$auth) { $res->status($this->statusCode); } // TODO: Mark allowed or denied according to the new resolver mechanism. }