<?php /** * SemanticScuttle - your social bookmark manager. * * PHP version 5. * * @category Bookmarking * @package SemanticScuttle * @author Christian Weiske <cweiske@cweiske.de> * @license AGPL http://www.gnu.org/licenses/agpl.html * @link http://sourceforge.net/projects/semanticscuttle */ /** * Configuration handling * * @category Bookmarking * @package SemanticScuttle * @author Christian Weiske <cweiske@cweiske.de> * @license AGPL http://www.gnu.org/licenses/agpl.html * @link http://sourceforge.net/projects/semanticscuttle */ class SemanticScuttle_Config { /** * Prefix for configuration files. * Used to inject stream wrapper protocol for unit testing * * @var string */ public $filePrefix = ''; /** * Finds the correct data directory * * @return string Full path to the data directory with a trailing slash */ protected function getDataDir() { if ('@data_dir@' == '@' . 'data_dir@') { //non pear-install $datadir = dirname(__FILE__) . '/../../data/'; } else { //pear installation; files are in include path $datadir = '@data_dir@/SemanticScuttle/'; } return $datadir; } /** * Tries to find a configuration file by looking in different * places: * - pear data_dir/SemanticScuttle/config-$hostname.php * - pear data_dir/SemanticScuttle/config.php * - /etc/semanticscuttle/config-$hostname.php * - /etc/semanticscuttle/config.php * * Paths with host name have priority. * * @return array Array with config file path as first value * and default config file path as second value. * Any may be NULL if not found */ public function findFiles() { //use basename to prevent path injection $host = basename($_SERVER['HTTP_HOST']); $datadir = $this->getDataDir(); $arFiles = array( $datadir . 'config.' . $host . '.php', '/etc/semanticscuttle/config.' . $host . '.php', $datadir . 'config.php', '/etc/semanticscuttle/config.php', ); $configfile = null; foreach ($arFiles as $file) { if (file_exists($this->filePrefix . $file)) { $configfile = $file; break; } } //find default file $arDefaultFiles = array_unique( array( substr($configfile, 0, -3) . 'default.php', $datadir . 'config.default.php', '/etc/semanticscuttle/config.default.php', ) ); $defaultfile = null; foreach ($arDefaultFiles as $file) { if (file_exists($this->filePrefix . $file)) { $defaultfile = $file; break; } } return array($configfile, $defaultfile); } } ?>