dbxEditor.class.php

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<?php
namespace dbx\dbxEditor;
 
 
 
class dbxEditor {
 
  public function run() {
 
      $modul = dbx()->get_system_var('dbx_modul');
      $run1  = dbx()->get_modul_var('dbx_run1','dbx');
      $file  = dbx()->get_modul_var('file','none','*');
      $base  = dbx_get_base_dir();
      $ajax  = dbx()->get_system_var('dbx_ajax',0,'int');
      $xedit = dbx()->get_system_var('dbx_edit',0,'int');
      dbx()->set_system_var('dbx_edit',0);
 
      $content='';
 
      switch ($run1) {
 
        case 'tree':
          $content = $this->render_tree($base);
        break;      
 
        case 'edit':
 
          // 🔒 Sicherheit
          if (!$this->is_valid_file($file)) {
            return "invalid file";
          }
 
          $full = $base.$file;
 
          if (!file_exists($full)) {
            return "file not found ($file)";
          }
 
          $txt = file_get_contents($full);
          $data['file']=$file;
          $data['txt'] = dbx()->norep(htmlspecialchars($txt, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8'));
 
          $oTPL = dbx()->get_system_obj('dbxTPL');
          $content = $oTPL->get_tpl('dbxEditor|editor', $data);
          
        break;
 
 
        case 'save':
 
          if (!$this->is_valid_file($file)) {
            header('Content-Type: application/json');
            echo json_encode(['ok'=>0]);
            exit;
          }
 
          $full = $base.$file;
          $data = $_POST['content'] ?? '';
 
          file_put_contents($full, $data);
          $this->clear_dd_file_cache($file);
 
          header('Content-Type: application/json');
          echo json_encode(['ok'=>1]);
          exit;
        
        case 'delete': 
            $content="delete ($base) ($file) ajax=($ajax)";
            dbx()->debug($content);
            header('Content-Type: application/json');
 
            if (!$this->is_valid_file($file)) {
                echo json_encode(['ok'=>0, 'msg'=>'invalid file']);
                exit;
            }
 
            $full = $base.$file;
 
            if (!file_exists($full)) {
                echo json_encode(['ok'=>0, 'msg'=>'file not found']);
                exit;
            }
 
            if (!unlink($full)) {
                echo json_encode(['ok'=>0, 'msg'=>'delete failed']);
                exit;
            }
 
            $this->clear_dd_file_cache($file);
            echo json_encode(['ok'=>1]);
            exit;
 
 
        break;  
 
        case 'rename':
 
            header('Content-Type: application/json');
 
            $old = dbx()->get_modul_var('old','','alphanum+/');
            $new = dbx()->get_modul_var('new','','alphanum+/');
 
            if (!$this->is_valid_file($old) || !$this->is_valid_file($new)) {
                echo json_encode(['ok'=>0, 'msg'=>'invalid file']);
                exit;
            }
 
            $fullOld = $base.$old;
            $fullNew = $base.$new;
 
            if (!file_exists($fullOld)) {
                echo json_encode(['ok'=>0, 'msg'=>'source not found']);
                exit;
            }
 
            if (file_exists($fullNew)) {
                echo json_encode(['ok'=>0, 'msg'=>'target exists']);
                exit;
            }
 
            if (!rename($fullOld, $fullNew)) {
                echo json_encode(['ok'=>0, 'msg'=>'rename failed']);
                exit;
            }
            $this->clear_dd_file_cache($old);
            $this->clear_dd_file_cache($new);
            echo json_encode(['ok'=>1]);
            exit;
 
        break;         
        
        case 'copy':
 
            header('Content-Type: application/json');
 
            $old = dbx()->get_modul_var('old','','alphanum+/.');
            $new = dbx()->get_modul_var('new','','alphanum+/.');
 
            if (!$this->is_valid_file($old) || !$this->is_valid_file($new)) {
                echo json_encode(['ok'=>0, 'msg'=>'invalid file']);
                exit;
            }
 
            $fullOld = $base . $old;
            $fullNew = $base . $new;
 
            if (!file_exists($fullOld)) {
                echo json_encode(['ok'=>0, 'msg'=>'source not found']);
                exit;
            }
 
            if (file_exists($fullNew)) {
                echo json_encode(['ok'=>0, 'msg'=>'target exists']);
                exit;
            }
 
            if (!copy($fullOld, $fullNew)) {
                echo json_encode(['ok'=>0, 'msg'=>'copy failed']);
                exit;
            }
 
            $this->clear_dd_file_cache($new);
            echo json_encode(['ok'=>1]);
            exit;
 
        break;      
 
 
        default:
          $oTPL=dbx()->get_system_obj('dbxTPL');
          $msg['msg']="Modul=($modul) Action=($run1) is undef.";
          $content=$oTPL->get_tpl('dbx|alert-warning',$msg);
      } // switch
      dbx()->set_system_var('dbx_edit',$xedit);
      return $content;
  }
 
  private function clear_dd_file_cache($file) {
    $file = str_replace('\\', '/', (string)$file);
 
    if (preg_match('#(?:^|/)dbx/modules/([^/]+)/dd/([^/]+)\.dd\.php$#', $file, $match)) {
      $oDD = dbx()->get_system_obj('dbxDD');
      $oDD->clear_dd_cache($match[1] . '|' . $match[2]);
    }
  }
 
  private function is_valid_file($file) {
    if (strpos($file,'..') !== false) return false;
 
    $ext = pathinfo($file, PATHINFO_EXTENSION);
    return in_array($ext, ['css','htm','js','php']);
  }
 
  private function render_tree($dir, $base = null) {
 
      if ($base === null) $base = $dir;
 
      $html = '<ul>';
 
      $items = scandir($dir);
 
      foreach ($items as $item) {
 
          if ($item === '.' || $item === '..') continue;
 
          $full = $dir . '/' . $item;
          $rel  = str_replace($base . '/', '', $full);
 
          if (is_dir($full)) {
 
              $html .= '<li>';
              $html .= '<span>' . $item . '</span>';
              $html .= $this->render_tree($full, $base);
              $html .= '</li>';
 
          } else {
 
              if (!$this->is_valid_file($item)) continue;
 
              $html .= '<li>';
              $html .= '<a href="?dbx_modul=dbxEditor&dbx_run1=edit&file=' . urlencode($rel) . '">';
              $html .= $item;
              $html .= '</a>';
              $html .= '</li>';
          }
      }
 
      $html .= '</ul>';
 
      return $html;
  }
 
 
 
 
}