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