friendica/src/Util/FileSystem.php

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<?php
namespace Friendica\Util;
final class FileSystem
{
/**
* @var string a error message
*/
private $errorMessage;
public function createDir(string $file)
{
$dirname = null;
$pos = strpos($file, '://');
if (!$pos) {
$dirname = realpath(dirname($file));
}
if (substr($file, 0, 7) === 'file://') {
$dirname = realpath(dirname(substr($file, 7)));
}
if (isset($dirname) && !is_dir($dirname)) {
set_error_handler([$this, 'customErrorHandler']);
$status = mkdir($dirname, 0777, true);
restore_error_handler();
if (!$status && !is_dir($dirname)) {
throw new \UnexpectedValueException(sprintf('Directory "%s" cannot get created: ' . $this->errorMessage, $dirname));
}
return $dirname;
} elseif (isset($dirname) && is_dir($dirname)) {
return $dirname;
} else {
return '';
}
}
public function createStream(string $url)
{
$directory = $this->createDir($url);
set_error_handler([$this, 'customErrorHandler']);
if (!empty($directory)) {
$url = $directory . DIRECTORY_SEPARATOR . pathinfo($url, PATHINFO_BASENAME);
}
$stream = fopen($url, 'ab');
restore_error_handler();
if (!is_resource($stream)) {
throw new \UnexpectedValueException(sprintf('The stream or file "%s" could not be opened: ' . $this->errorMessage, $url));
}
return $stream;
}
private function customErrorHandler($code, $msg)
{
$this->errorMessage = preg_replace('{^(fopen|mkdir)\(.*?\): }', '', $msg);
}
}