Update website

admin/phpMyAdmin/libraries/classes/Setup/ConfigGenerator.php

@@ -0,0 +1,196 @@
+<?php
+/**
+ * Config file generator
+ */
+
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Setup;
+
+use PhpMyAdmin\Config\ConfigFile;
+use const DATE_RFC1123;
+use function array_keys;
+use function count;
+use function gmdate;
+use function implode;
+use function is_array;
+use function mb_strpos;
+use function preg_replace;
+use function strtr;
+use function var_export;
+
+/**
+ * Config file generation class
+ */
+class ConfigGenerator
+{
+    /**
+     * Creates config file
+     *
+     * @param ConfigFile $cf Config file instance
+     *
+     * @return string
+     */
+    public static function getConfigFile(ConfigFile $cf)
+    {
+        $crlf = isset($_SESSION['eol']) && $_SESSION['eol'] === 'win'
+            ? "\r\n"
+            : "\n";
+        $conf = $cf->getConfig();
+
+        // header
+        $ret = '<?php' . $crlf
+            . '/*' . $crlf
+            . ' * Generated configuration file' . $crlf
+            . ' * Generated by: phpMyAdmin '
+                . $GLOBALS['PMA_Config']->get('PMA_VERSION')
+                . ' setup script' . $crlf
+            . ' * Date: ' . gmdate(DATE_RFC1123) . $crlf
+            . ' */' . $crlf . $crlf;
+
+        //servers
+        if (! empty($conf['Servers'])) {
+            $ret .= self::getServerPart($cf, $crlf, $conf['Servers']);
+            unset($conf['Servers']);
+        }
+
+        // other settings
+        $persistKeys = $cf->getPersistKeysMap();
+
+        foreach ($conf as $k => $v) {
+            $k = preg_replace('/[^A-Za-z0-9_]/', '_', (string) $k);
+            $ret .= self::getVarExport($k, $v, $crlf);
+            if (! isset($persistKeys[$k])) {
+                continue;
+            }
+
+            unset($persistKeys[$k]);
+        }
+        // keep 1d array keys which are present in $persist_keys (config.values.php)
+        foreach (array_keys($persistKeys) as $k) {
+            if (mb_strpos($k, '/') !== false) {
+                continue;
+            }
+
+            $k = preg_replace('/[^A-Za-z0-9_]/', '_', $k);
+            $ret .= self::getVarExport($k, $cf->getDefault($k), $crlf);
+        }
+
+        return $ret . '?>';
+    }
+
+    /**
+     * Returns exported configuration variable
+     *
+     * @param string $var_name  configuration name
+     * @param mixed  $var_value configuration value(s)
+     * @param string $crlf      line ending
+     *
+     * @return string
+     */
+    private static function getVarExport($var_name, $var_value, $crlf)
+    {
+        if (! is_array($var_value) || empty($var_value)) {
+            return "\$cfg['" . $var_name . "'] = "
+                . var_export($var_value, true) . ';' . $crlf;
+        }
+        $ret = '';
+        if (self::isZeroBasedArray($var_value)) {
+            $ret = "\$cfg['" . $var_name . "'] = "
+                . self::exportZeroBasedArray($var_value, $crlf)
+                . ';' . $crlf;
+        } else {
+            // string keys: $cfg[key][subkey] = value
+            foreach ($var_value as $k => $v) {
+                $k = preg_replace('/[^A-Za-z0-9_]/', '_', $k);
+                $ret .= "\$cfg['" . $var_name . "']['" . $k . "'] = "
+                    . var_export($v, true) . ';' . $crlf;
+            }
+        }
+
+        return $ret;
+    }
+
+    /**
+     * Check whether $array is a continuous 0-based array
+     *
+     * @param array $array Array to check
+     *
+     * @return bool
+     */
+    private static function isZeroBasedArray(array $array)
+    {
+        for ($i = 0, $nb = count($array); $i < $nb; $i++) {
+            if (! isset($array[$i])) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Exports continuous 0-based array
+     *
+     * @param array  $array Array to export
+     * @param string $crlf  Newline string
+     *
+     * @return string
+     */
+    private static function exportZeroBasedArray(array $array, $crlf)
+    {
+        $retv = [];
+        foreach ($array as $v) {
+            $retv[] = var_export($v, true);
+        }
+        $ret = 'array(';
+        if (count($retv) <= 4) {
+            // up to 4 values - one line
+            $ret .= implode(', ', $retv);
+        } else {
+            // more than 4 values - value per line
+            $imax = count($retv);
+            for ($i = 0; $i < $imax; $i++) {
+                $ret .= ($i > 0 ? ',' : '') . $crlf . '    ' . $retv[$i];
+            }
+        }
+
+        return $ret . ')';
+    }
+
+    /**
+     * Generate server part of config file
+     *
+     * @param ConfigFile $cf      Config file
+     * @param string     $crlf    Carriage return char
+     * @param array      $servers Servers list
+     *
+     * @return string|null
+     */
+    protected static function getServerPart(ConfigFile $cf, $crlf, array $servers)
+    {
+        if ($cf->getServerCount() === 0) {
+            return null;
+        }
+
+        $ret = '/* Servers configuration */' . $crlf . '$i = 0;' . $crlf . $crlf;
+        foreach ($servers as $id => $server) {
+            $ret .= '/* Server: '
+                . strtr($cf->getServerName($id) . ' [' . $id . '] ', '*/', '-')
+                . '*/' . $crlf
+                . '$i++;' . $crlf;
+            foreach ($server as $k => $v) {
+                $k = preg_replace('/[^A-Za-z0-9_]/', '_', (string) $k);
+                $ret .= "\$cfg['Servers'][\$i]['" . $k . "'] = "
+                    . (is_array($v) && self::isZeroBasedArray($v)
+                        ? self::exportZeroBasedArray($v, $crlf)
+                        : var_export($v, true))
+                    . ';' . $crlf;
+            }
+            $ret .= $crlf;
+        }
+        $ret .= '/* End of servers configuration */' . $crlf . $crlf;
+
+        return $ret;
+    }
+}