--- /dev/null
+<?php
+
+namespace XdgBaseDir;
+
+/**
+ * Simple implementation of the XDG standard http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
+ *
+ * Based on the python implementation https://github.com/takluyver/pyxdg/blob/master/xdg/BaseDirectory.py
+ *
+ * Class Xdg
+ * @package ShopwareCli\Application
+ */
+class Xdg
+{
+ const S_IFDIR = 040000; // directory
+ const S_IRWXO = 00007; // rwx other
+ const S_IRWXG = 00056; // rwx group
+ const RUNTIME_DIR_FALLBACK = 'php-xdg-runtime-dir-fallback-';
+
+ /**
+ * @return string
+ */
+ public function getHomeDir()
+ {
+ return getenv('HOME') ?: (getenv('HOMEDRIVE') . DIRECTORY_SEPARATOR . getenv('HOMEPATH'));
+ }
+
+ /**
+ * @return string
+ */
+ public function getHomeConfigDir()
+ {
+ $path = getenv('XDG_CONFIG_HOME') ?: $this->getHomeDir() . DIRECTORY_SEPARATOR . '.config';
+
+ return $path;
+ }
+
+ /**
+ * @return string
+ */
+ public function getHomeDataDir()
+ {
+ $path = getenv('XDG_DATA_HOME') ?: $this->getHomeDir() . DIRECTORY_SEPARATOR . '.local' . DIRECTORY_SEPARATOR . 'share';
+
+ return $path;
+ }
+
+ /**
+ * @return array
+ */
+ public function getConfigDirs()
+ {
+ $configDirs = getenv('XDG_CONFIG_DIRS') ? explode(':', getenv('XDG_CONFIG_DIRS')) : array('/etc/xdg');
+
+ $paths = array_merge(array($this->getHomeConfigDir()), $configDirs);
+
+ return $paths;
+ }
+
+ /**
+ * @return array
+ */
+ public function getDataDirs()
+ {
+ $dataDirs = getenv('XDG_DATA_DIRS') ? explode(':', getenv('XDG_DATA_DIRS')) : array('/usr/local/share', '/usr/share');
+
+ $paths = array_merge(array($this->getHomeDataDir()), $dataDirs);
+
+ return $paths;
+ }
+
+ /**
+ * @return string
+ */
+ public function getHomeCacheDir()
+ {
+ $path = getenv('XDG_CACHE_HOME') ?: $this->getHomeDir() . DIRECTORY_SEPARATOR . '.cache';
+
+ return $path;
+
+ }
+
+ public function getRuntimeDir($strict=true)
+ {
+ if ($runtimeDir = getenv('XDG_RUNTIME_DIR')) {
+ return $runtimeDir;
+ }
+
+ if ($strict) {
+ throw new \RuntimeException('XDG_RUNTIME_DIR was not set');
+ }
+
+ $fallback = sys_get_temp_dir() . DIRECTORY_SEPARATOR . self::RUNTIME_DIR_FALLBACK . getenv('USER');
+
+ $create = false;
+
+ if (!is_dir($fallback)) {
+ mkdir($fallback, 0700, true);
+ }
+
+ $st = lstat($fallback);
+
+ # The fallback must be a directory
+ if (!$st['mode'] & self::S_IFDIR) {
+ rmdir($fallback);
+ $create = true;
+ } elseif ($st['uid'] != getmyuid() ||
+ $st['mode'] & (self::S_IRWXG | self::S_IRWXO)
+ ) {
+ rmdir($fallback);
+ $create = true;
+ }
+
+ if ($create) {
+ mkdir($fallback, 0700, true);
+ }
+
+ return $fallback;
+ }
+
+}