1 files changed, 108 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/libraries/classes/FileListing.php b/srcs/phpmyadmin/libraries/classes/FileListing.php
new file mode 100644
index 0000000..c6f07a5
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/FileListing.php
@@ -0,0 +1,108 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Holds the PhpMyAdmin\FileListing class
+ *
+ * @package PhpMyAdmin
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin;
+
+/**
+ * Functions for listing directories
+ *
+ * @package PhpMyAdmin
+ */
+class FileListing
+{
+    /**
+     * Returns array of filtered file names
+     *
+     * @param string $dir        directory to list
+     * @param string $expression regular expression to match files
+     *
+     * @return array|bool sorted file list on success, false on failure
+     */
+    public function getDirContent(string $dir, string $expression = '')
+    {
+        if (! @file_exists($dir) || ! ($handle = @opendir($dir))) {
+            return false;
+        }
+
+        $result = [];
+        if (substr($dir, -1) != '/') {
+            $dir .= '/';
+        }
+        while ($file = @readdir($handle)) {
+            if (@is_file($dir . $file)
+                && ! @is_link($dir . $file)
+                && ($expression == '' || preg_match($expression, $file))
+            ) {
+                $result[] = $file;
+            }
+        }
+        closedir($handle);
+        asort($result);
+        return $result;
+    }
+
+    /**
+     * Returns options of filtered file names
+     *
+     * @param string $dir        directory to list
+     * @param string $extensions regular expression to match files
+     * @param string $active     currently active choice
+     *
+     * @return string|false Html <option> field, false if not files in dir
+     */
+    public function getFileSelectOptions(
+        string $dir,
+        string $extensions = '',
+        string $active = ''
+    ) {
+        $list = $this->getDirContent($dir, $extensions);
+        if ($list === false) {
+            return false;
+        }
+        $result = '';
+        foreach ($list as $val) {
+            $result .= '<option value="' . htmlspecialchars($val) . '"';
+            if ($val == $active) {
+                $result .= ' selected="selected"';
+            }
+            $result .= '>' . htmlspecialchars($val) . '</option>' . "\n";
+        }
+        return $result;
+    }
+
+    /**
+     * Get currently supported decompressions.
+     *
+     * @return string separated list of extensions usable in getDirContent
+     */
+    public function supportedDecompressions(): string
+    {
+        global $cfg;
+
+        $compressions = '';
+
+        if ($cfg['GZipDump'] && function_exists('gzopen')) {
+            $compressions = 'gz';
+        }
+        if ($cfg['BZipDump'] && function_exists('bzopen')) {
+            if (! empty($compressions)) {
+                $compressions .= '|';
+            }
+            $compressions .= 'bz2';
+        }
+        if ($cfg['ZipDump'] && function_exists('gzinflate')) {
+            if (! empty($compressions)) {
+                $compressions .= '|';
+            }
+            $compressions .= 'zip';
+        }
+
+        return $compressions;
+    }
+}