/** * @internal * * @todo get rid of registerClass */ public function __construct() { parent::__construct(); self::$defaultConfig['compile_dir'] = Application::$FILE_ROOT . 'tmp/smarty_compile'; self::$defaultConfig['cache_dir'] = Application::$FILE_ROOT . 'tmp/smarty_cache'; $config = Config::get('smarty', self::$defaultConfig); $this->setTemplateDir(dirname(dirname(__DIR__)) . '/template/html'); $this->addTemplateDir(dirname(Application::$WEB_ROOT) . '/template'); $this->addPluginsDir(__DIR__ . '/smarty_plugins/'); $this->error_reporting = E_ALL & ~E_NOTICE; $this->_file_perms = $config['file_perms']; $this->_dir_perms = $config['dir_perms']; // cache dir FileUtil::makedir($config['cache_dir'], $config['dir_perms']); $this->setCacheDir($config['cache_dir']); // compile dir FileUtil::makedir($config['compile_dir'], $config['dir_perms']); $this->setCompileDir($config['compile_dir']); // add classes for usage in templates $this->registerClass('Session', 'FeM\\sPof\\Session'); $this->registerClass('Group', 'FeM\\sPof\\model\\Group'); $this->registerClass('DBConnection', 'FeM\\sPof\\model\\DBConnection'); $this->registerClass('SessionRegister', 'FeM\\sPof\\model\\SessionRegister'); $this->registerClass('Config', 'FeM\\sPof\\Config'); $this->registerClass('Authorization', 'FeM\\sPof\\Authorization'); $this->registerClass('Auth', 'FeM\\sPof\\Authorization'); }
/** * Download a file. * * @internal */ public function download() { // get and check sid if (empty($this->sid) || strlen($this->sid) > 32) { self::sendNotFound(); } $db = DBConnection::getInstance(); $db->beginTransaction(); // get file details $stmt = $db->prepare("\n SELECT\n id,\n content_oid,\n mimetype,\n size,\n name,\n to_char(modify,'Dy, DD Mon YYYY HH24:MI:SS TZ') AS modify\n FROM tbl_file\n WHERE\n sid=:sid\n AND visible IS TRUE\n AND disabled IS FALSE\n "); $stmt->bindParam('sid', $this->sid, \PDO::PARAM_INT); $stmt->execute(); if ($stmt->rowCount() == 0) { self::sendNotFound(); } $file = $stmt->fetch(\PDO::FETCH_ASSOC); // set path to unprocessed cache file $path_cachefile = sprintf(Application::$CACHE_ROOT . 'files/%s/%s.file', $this->sid[0], $this->sid); // load file from database if cache file doesn't exist $handle = false; if (file_exists($path_cachefile) === false) { // open db handle if no cached file available $handle = $db->pgsqlLOBOpen($file['content_oid'], 'r'); if (feof($handle)) { self::sendNotFound(); } // try to create cache if (!FileUtil::makedir(dirname($path_cachefile))) { error_log('cache' . $path_cachefile . ' not writeable'); } else { // create cache file $fcache = fopen($path_cachefile, 'w'); stream_copy_to_stream($handle, $fcache); fclose($fcache); // close db handle fclose($handle); $handle = false; } } // check wether path_sendfile is set explicitly if (!empty($this->path_sendfile)) { // update stat data if exists if (is_readable($this->path_sendfile)) { $stat = stat($this->path_sendfile); $file['modify'] = $stat['mtime']; $file['size'] = $stat['size']; } elseif (isset($this->processing) && method_exists($this, 'processCachefile')) { // check for processing $file['cachefile'] = $path_cachefile; $this->processCachefile($file); } else { self::sendNotFound(); } } else { $this->path_sendfile = $path_cachefile; } if (!is_readable($this->path_sendfile) && !is_resource($handle)) { self::sendNotFound(); } // check wether stats_disable is set if ($this->stats_disable === false) { // insert statistics $stmt = $db->prepare("\n INSERT INTO tbl_statistic_file (user_id, ip, file_id)\n VALUES (:user_id, :ip, :file_id)\n "); if (is_null(Session::getUserId())) { $stmt->bindValue('user_id', null, \PDO::PARAM_NULL); } else { $stmt->bindValue('user_id', Session::getUserId(), \PDO::PARAM_INT); } $stmt->bindValue('ip', Request::getIp(), \PDO::PARAM_STR); $stmt->bindValue('file_id', $file['id'], \PDO::PARAM_INT); $stmt->execute(); } $db->commit(); // there is nothing to write, tell the session it is no longer needed (and thus no longer blocking output // flushing) session_write_close(); // check if http_range is sent by browser if (isset($_SERVER['HTTP_RANGE'])) { $unit = explode('=', $_SERVER['HTTP_RANGE'])[0]; if ($unit == 'bytes') { $range_list = explode('=', $_SERVER['HTTP_RANGE'], 2)[1]; // multiple ranges could be specified at the same time, but for simplicity only serve the first range // http://tools.ietf.org/id/draft-ietf-http-range-retrieval-00.txt $ranges = explode(',', $range_list); foreach ($ranges as $range) { $seek_start = explode('-', $range)[0]; $seek_end = explode('-', $range)[1]; // set valid and in range for seek end if (empty($seek_end)) { $seek_end = $file['size'] - 1; } else { $seek_end = min(abs($seek_end), $file['size'] - 1); } // set valid and in range for seek start if (empty($seek_start) || $seek_end < abs($seek_start)) { $seek_start = 0; } else { $seek_start = max(abs($seek_start), 0); } if (!is_resource($handle)) { $handle = fopen($path_cachefile, 'rb'); } // seek to start of missing part if (($seek_start > 0 || $seek_end < $file['size'] - 1) && fseek($handle, $seek_start) !== -1) { $length = $seek_end - $seek_start + 1; header('HTTP/1.1 206 Partial Content'); header('Accept-Ranges: bytes'); header('Content-Range: bytes ' . $seek_start . '-' . $seek_end . '/' . $file['size']); header('Content-Type: ' . $file['mimetype']); header('Content-Disposition: attachment; filename="' . $file['name'] . '"'); header('Content-Length: ' . $length); // start buffered download of 8 KB chunks while the connection is alive $transfered = 0; while (!feof($handle) && connection_status() == CONNECTION_NORMAL && $transfered < $length) { // reset time limit for big files set_time_limit(0); // @codingStandardsIgnoreStart echo fread($handle, 8192); // @codingStandardsIgnoreEnd $transfered += 8192; flush(); ob_flush(); } // while fclose($handle); exit; } // if fseek } // foreach ranges } // if unit bytes } // if http_range // prepare headers header('Last-Modified: ' . $file['modify']); header('Accept-Ranges: bytes'); header('Content-Type: ' . $file['mimetype']); header('Content-Length: ' . $file['size']); header('Content-Transfer-Encoding: binary'); session_cache_limiter(false); if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= strtotime($file['modify'])) { header('HTTP/1.0 304 Not Modified'); exit; } if (is_resource($handle)) { // write to output buffer in small chunks to bypass memory limit of large files (which fpassthru would // exceed) while (!feof($handle) && connection_status() == CONNECTION_NORMAL) { // reset time limit for big files set_time_limit(0); // @codingStandardsIgnoreStart echo fread($handle, 8192); // @codingStandardsIgnoreEnd flush(); ob_flush(); } // while fclose($handle); } elseif (Config::get('use_sendfile') && in_array('mod_xsendfile', apache_get_modules())) { header('X-Sendfile: ' . $this->path_sendfile); } else { readfile($this->path_sendfile); exit; } }
/** * Generating thumbnail from cached file of matching sid * * If global variable $path_sendfile is set and variable $processing is true * download.php will call this function with a file info array with metadata. * * Afterwards download.php checks existance and updates metadata of file at $path_sendfile. * * @api * * @param array $file database entry and cachefile path of file matching the sid */ protected function processCachefile($file) { if (isset($file['mimetype']) && ($file['mimetype'] !== 'image/jpeg' && $file['mimetype'] !== 'image/png')) { self::sendInternalError(); } if (!FileUtil::makedir(dirname($this->path_sendfile))) { self::sendInternalError(); } if (!ImageUtil::resize($file['cachefile'], $this->path_sendfile, $this->width, $this->height, $this->cropimage)) { self::sendInternalError(); } }
/** * This function generates a new .js file from the existing files (if anything new happen to them or does not * exist). The name of the new file will be returned. * * @api * * @param array $files * * @return string|false false on error or nothing */ public static function combine(array $files) { if (empty($files)) { return false; } $target = self::getTargetPath(); $source = self::getSourcePath(); // identify file combinations by hash $jsHash = md5(serialize($files)); $targetfile = $target . $jsHash . '.js'; // check if any source file was modified $needUpdate = false; if (file_exists($targetfile)) { $hashtime = filemtime($targetfile); foreach ($files as $file) { if (substr($file['name'], 0, 1) === '/') { $filename = $file['name']; } elseif ($file['relative']) { // relative to public/js $filename = $target . $file['name'] . '.js'; } else { // use javascript folder $filename = $source . $file['name'] . '.js.tpl'; } if ($hashtime < filemtime($filename)) { $needUpdate = true; break; } } } else { // file does not exist, so we need an update anyway $needUpdate = true; } // we can abort if no update is required if ($needUpdate === false) { return $jsHash; } // make sure, that the target directory exists if (!is_dir($target)) { FileUtil::makedir($target); } // combine file contents $content = ''; foreach ($files as $file) { try { if (substr($file['name'], 0, 1) === '/') { if (strpos($file['name'], '.tpl') > 0) { $nextcontent = JavascriptTemplate::getInstance()->fetch($file['name']); } else { $nextcontent = file_get_contents($file['name']); } } elseif ($file['relative']) { $nextcontent = file_get_contents($target . $file['name'] . '.js'); } else { $nextcontent = JavascriptTemplate::getInstance()->fetch($source . $file['name'] . '.js.tpl'); } // do not double minify if (strpos($file['name'], '.min') > 0 || strpos($file['name'], '.pack') > 0 || !method_exists('\\JShrink\\Minifier', 'minify')) { $content .= $nextcontent . "\n"; } else { $content .= \JShrink\Minifier::minify($nextcontent) . "\n"; } } catch (\ErrorException $exception) { Logger::getInstance()->exception($exception); } } // foreach file // write minified version $success = file_put_contents($targetfile, $content); // adjust file permissions for webserver if ($success) { chmod($targetfile, Config::getDetail('smarty', 'file_perms', self::$defaultConfig)); } // foreach scssFiles return $jsHash; }
/** * This function generates new .css files from the .scss files in the stylesheet folder under the condition, that * the .scss files are newer or possible dependencies are updated. Files that begin with underscore (_) are not * transformed and are only used for defining parts of rules. * * @api */ public static function update() { $sourcePath = self::getSourcePath(); $targetPath = self::getTargetPath(); if (!is_dir($targetPath)) { FileUtil::makedir($targetPath); } // check if source has changed $updated = Cache::fetch('style.update'); if ($updated !== false && $updated > filemtime($sourcePath)) { // check all files in the source folder for modifications if (Config::getDetail('stylesheet', 'check_file_level', self::$defaultConfig)) { $needUpdate = false; $dir = new \DirectoryIterator($sourcePath); foreach ($dir as $file) { /** @var \DirectoryIterator $file */ $filename = $file->getFilename(); // ignore dirs if ($file->isDot() || $file->isDir() || strpos($filename, '.#') === 0) { continue; } if ($updated < filemtime($sourcePath . $filename)) { $needUpdate = true; break; } } // foreach dir if (!$needUpdate) { return; } } else { return; } } $dir = new \DirectoryIterator($sourcePath); // remember last update (begin with this file as dependency) $lastDependencyUpdate = filemtime(__FILE__); // list of files to generate $scssFiles = []; // first step: generate list of files and get last updated dependency file foreach ($dir as $file) { /** @var \DirectoryIterator $file */ $filename = $file->getFilename(); // ignore dirs if ($file->isDot() || $file->isDir() || strpos($filename, '.#') === 0) { continue; } if (strpos($filename, '_') === 0) { $lastDependencyUpdate = max($lastDependencyUpdate, filemtime($sourcePath . $filename)); } else { $scssFiles[] = $filename; } } // foreach dir foreach ($scssFiles as $filename) { // does target exist? does it have an older timestamp? $savefile = $targetPath . str_replace('.scss', '.css', $filename); if (file_exists($savefile)) { $modified = filemtime($savefile); if (filemtime($sourcePath . $filename) <= $modified && $lastDependencyUpdate <= $modified) { continue; } } // save and set file permissions /*require_once "vendor/leafo/scssphp/scss.inc.php"; $scss = new \scssc(); $scss->addImportPath(function ($path) { if (!file_exists('stylesheet/'.$path)) { return null; } return 'stylesheet/'.$path; }); */ try { // will import `stylesheets/vanilla.css' // file_put_contents($savefile, $scss->compile('@import "'.$filename.'"')); file_put_contents($savefile, self::getParser()->toCss(file_get_contents($sourcePath . $filename), false)); chmod($savefile, Config::getDetail('stylesheet', 'file_perms', self::$defaultConfig)); } catch (\Exception $exception) { Logger::getInstance()->exception($exception); } } // foreach scssFiles Cache::store('style.update', time()); }