bridges = array(); $list->total = 0; foreach(Bridge::listBridges() as $bridgeName) { $bridge = Bridge::create($bridgeName); if($bridge === false) { // Broken bridge, show as inactive $list->bridges[$bridgeName] = array( 'status' => 'inactive' ); continue; } $status = Bridge::isWhitelisted($bridgeName) ? 'active' : 'inactive'; $list->bridges[$bridgeName] = array( 'status' => $status, 'uri' => $bridge->getURI(), 'name' => $bridge->getName(), 'icon' => $bridge->getIcon(), 'parameters' => $bridge->getParameters(), 'maintainer' => $bridge->getMaintainer(), 'description' => $bridge->getDescription() ); } $list->total = count($list->bridges); header('Content-Type: application/json'); echo json_encode($list, JSON_PRETTY_PRINT); } elseif($action === 'display' && !empty($bridge)) { $format = $params['format'] or returnClientError('You must specify a format!'); // DEPRECATED: 'nameFormat' scheme is replaced by 'name' in format parameter values // this is to keep compatibility until futher complete removal if(($pos = strpos($format, 'Format')) === (strlen($format) - strlen('Format'))) { $format = substr($format, 0, $pos); } // whitelist control if(!Bridge::isWhitelisted($bridge)) { throw new \HttpException('This bridge is not whitelisted', 401); die; } // Data retrieval $bridge = Bridge::create($bridge); $noproxy = array_key_exists('_noproxy', $params) && filter_var($params['_noproxy'], FILTER_VALIDATE_BOOLEAN); if(defined('PROXY_URL') && PROXY_BYBRIDGE && $noproxy) { define('NOPROXY', true); } // Cache timeout $cache_timeout = -1; if(array_key_exists('_cache_timeout', $params)) { if(!CUSTOM_CACHE_TIMEOUT) { throw new \HttpException('This server doesn\'t support "_cache_timeout"!'); } $cache_timeout = filter_var($params['_cache_timeout'], FILTER_VALIDATE_INT); } else { $cache_timeout = $bridge->getCacheTimeout(); } // Remove parameters that don't concern bridges $bridge_params = array_diff_key( $params, array_fill_keys( array( 'action', 'bridge', 'format', '_noproxy', '_cache_timeout', '_error_time' ), '') ); // Remove parameters that don't concern caches $cache_params = array_diff_key( $params, array_fill_keys( array( 'action', 'format', '_noproxy', '_cache_timeout', '_error_time' ), '') ); // Initialize cache $cache = Cache::create('FileCache'); $cache->setPath(PATH_CACHE); $cache->purgeCache(86400); // 24 hours $cache->setParameters($cache_params); $items = array(); $infos = array(); $mtime = $cache->getTime(); if($mtime !== false && (time() - $cache_timeout < $mtime) && !Debug::isEnabled()) { // Load cached data // Send "Not Modified" response if client supports it // Implementation based on https://stackoverflow.com/a/10847262 if(isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) { $stime = strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']); if($mtime <= $stime) { // Cached data is older or same header('Last-Modified: ' . gmdate('D, d M Y H:i:s ', $mtime) . 'GMT', true, 304); die(); } } $cached = $cache->loadData(); if(isset($cached['items']) && isset($cached['extraInfos'])) { $items = $cached['items']; $infos = $cached['extraInfos']; } } else { // Collect new data try { $bridge->setDatas($bridge_params); $bridge->collectData(); $items = $bridge->getItems(); $infos = array( 'name' => $bridge->getName(), 'uri' => $bridge->getURI(), 'icon' => $bridge->getIcon() ); } catch(Error $e) { error_log($e); $item = array(); // Create "new" error message every 24 hours $params['_error_time'] = urlencode((int)(time() / 86400)); // Error 0 is a special case (i.e. "trying to get property of non-object") if($e->getCode() === 0) { $item['title'] = 'Bridge encountered an unexpected situation! (' . $params['_error_time'] . ')'; } else { $item['title'] = 'Bridge returned error ' . $e->getCode() . '! (' . $params['_error_time'] . ')'; } $item['uri'] = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH) . '?' . http_build_query($params); $item['timestamp'] = time(); $item['content'] = buildBridgeException($e, $bridge); $items[] = $item; } catch(Exception $e) { error_log($e); $item = array(); // Create "new" error message every 24 hours $params['_error_time'] = urlencode((int)(time() / 86400)); $item['uri'] = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH) . '?' . http_build_query($params); $item['title'] = 'Bridge returned error ' . $e->getCode() . '! (' . $params['_error_time'] . ')'; $item['timestamp'] = time(); $item['content'] = buildBridgeException($e, $bridge); $items[] = $item; } // Store data in cache $cache->saveData(array( 'items' => $items, 'extraInfos' => $infos )); } // Data transformation try { $format = Format::create($format); $format->setItems($items); $format->setExtraInfos($infos); $format->setLastModified($cache->getTime()); $format->display(); } catch(Error $e) { error_log($e); header('Content-Type: text/html', true, $e->getCode()); die(buildTransformException($e, $bridge)); } catch(Exception $e) { error_log($e); header('Content-Type: text/html', true, $e->getCode()); die(buildTransformException($e, $bridge)); } } else { echo BridgeList::create($showInactive); } } catch(HttpException $e) { error_log($e); header('Content-Type: text/plain', true, $e->getCode()); die($e->getMessage()); } catch(\Exception $e) { error_log($e); die($e->getMessage()); }