127 lines
2.9 KiB
PHP
127 lines
2.9 KiB
PHP
<?php
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use function asort;
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use function closedir;
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use function file_exists;
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use function function_exists;
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use function is_file;
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use function is_link;
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use function opendir;
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use function preg_match;
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use function readdir;
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use function substr;
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/**
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* Functions for listing directories
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*/
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class FileListing
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{
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/**
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* Returns array of filtered file names
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*
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* @param string $dir directory to list
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* @param string $expression regular expression to match files
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*
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* @return array|bool sorted file list on success, false on failure
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*/
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public function getDirContent(string $dir, string $expression = '')
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{
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if (! @file_exists($dir)) {
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return false;
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}
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$handle = @opendir($dir);
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if ($handle === false) {
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return false;
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}
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$result = [];
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if (substr($dir, -1) !== '/') {
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$dir .= '/';
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}
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while ($file = @readdir($handle)) {
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if (
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! @is_file($dir . $file)
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|| @is_link($dir . $file)
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|| ($expression != '' && ! preg_match($expression, $file))
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) {
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continue;
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}
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$result[] = $file;
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}
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closedir($handle);
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asort($result);
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return $result;
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}
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/**
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* Returns options of filtered file names
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*
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* @param string $dir directory to list
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* @param string $extensions regular expression to match files
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* @param string $active currently active choice
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*
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* @return string|false Html <option> field, false if not files in dir
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*/
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public function getFileSelectOptions(
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string $dir,
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string $extensions = '',
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string $active = ''
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) {
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$list = $this->getDirContent($dir, $extensions);
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if ($list === false) {
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return false;
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}
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$template = new Template();
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return $template->render('file_select_options', [
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'filesList' => $list,
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'active' => $active,
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]);
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}
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/**
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* Get currently supported decompressions.
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*
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* @return string separated list of extensions usable in getDirContent
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*/
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public function supportedDecompressions(): string
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{
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global $cfg;
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$compressions = '';
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if ($cfg['GZipDump'] && function_exists('gzopen')) {
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$compressions = 'gz';
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}
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if ($cfg['BZipDump'] && function_exists('bzopen')) {
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if (! empty($compressions)) {
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$compressions .= '|';
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}
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$compressions .= 'bz2';
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}
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if ($cfg['ZipDump'] && function_exists('gzinflate')) {
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if (! empty($compressions)) {
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$compressions .= '|';
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}
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$compressions .= 'zip';
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}
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return $compressions;
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}
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}
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