mirror of https://github.com/friendica/friendica
79 lines
1.6 KiB
PHP
79 lines
1.6 KiB
PHP
<?php
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namespace Friendica\Util;
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class BasePath
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{
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/**
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* @var string
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*/
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private $baseDir;
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/**
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* @var array
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*/
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private $server;
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/**
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* @param string|null $baseDir The default base path
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* @param array $server server arguments
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*/
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public function __construct(string $baseDir, array $server = [])
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{
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$this->baseDir = $baseDir;
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$this->server = $server;
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}
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/**
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* @brief Returns the base filesystem path of the App
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*
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* It first checks for the internal variable, then for DOCUMENT_ROOT and
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* finally for PWD
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*
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* @return string
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*
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* @throws \Exception if directory isn't usable
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*/
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public function getPath()
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{
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$baseDir = $this->baseDir;
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$server = $this->server;
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if ((!$baseDir || !is_dir($baseDir)) && !empty($server['DOCUMENT_ROOT'])) {
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$baseDir = $server['DOCUMENT_ROOT'];
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}
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if ((!$baseDir || !is_dir($baseDir)) && !empty($server['PWD'])) {
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$baseDir = $server['PWD'];
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}
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$baseDir = self::getRealPath($baseDir);
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if (!is_dir($baseDir)) {
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throw new \Exception(sprintf('\'%s\' is not a valid basepath', $baseDir));
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}
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return $baseDir;
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}
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/**
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* @brief Returns a normalized file path
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*
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* This is a wrapper for the "realpath" function.
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* That function cannot detect the real path when some folders aren't readable.
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* Since this could happen with some hosters we need to handle this.
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*
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* @param string $path The path that is about to be normalized
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* @return string normalized path - when possible
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*/
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public static function getRealPath($path)
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{
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$normalized = realpath($path);
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if (!is_bool($normalized)) {
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return $normalized;
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} else {
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return $path;
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}
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}
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}
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