pages/manager/FilesHandler.inc.php

<?php

import('pages.manager.ManagerHandler');

class FilesHandler extends ManagerHandler {
   function FilesHandler() {
      parent::ManagerHandler();
      $this->addRoleAssignment(ROLE_ID_PRESS_MANAGER,
            array('fileDelete', 'fileMakeDir', 'files', 'fileUpload'));
   }

   function files($args, &$request) {
      $this->setupTemplate(true);

      import('lib.pkp.classes.file.PrivateFileManager');
      $privateFileManager = new PrivateFileManager();

      $this->_parseDirArg($args, $currentDir, $parentDir);
      $currentPath = $this->_getRealFilesDir($request, $currentDir);

      if (@is_file($currentPath)) {
         $privateFileManager->downloadFile($currentPath, null, (boolean) $request->getUserVar('download'));
      } else {
         $files = array();
         if ($dh = @opendir($currentPath)) {
            while (($file = readdir($dh)) !== false) {
               if ($file != '.' && $file != '..') {
                  $filePath = $currentPath . '/'. $file;
                  $isDir = is_dir($filePath);
                  $info = array(
                     'name' => $file,
                     'isDir' => $isDir,
                     'mimetype' => $isDir ? '' : $this->fileMimeType($filePath),
                     'mtime' => filemtime($filePath),
                     'size' => $isDir ? '' : $fileManager->getNiceFileSize(filesize($filePath)),
                  );
                  $files[$file] = $info;
               }
            }
            closedir($dh);
         }
         ksort($files);
         $templateMgr =& TemplateManager::getManager();
         $templateMgr->assign_by_ref('files', $files);
         $templateMgr->assign('currentDir', $currentDir);
         $templateMgr->assign('parentDir', $parentDir);
         $templateMgr->assign('helpTopicId','press.managementPages.fileBrowser');
         $templateMgr->display('manager/files/index.tpl');
      }
   }

   function fileUpload($args, &$request) {
      $this->_parseDirArg($args, $currentDir, $parentDir);
      $currentPath = $this->_getRealFilesDir($request, $currentDir);

      import('lib.pkp.classes.file.PrivateFileManager');
      $privateFileManager = new PrivateFileManager();
      if ($privateFileManager->uploadedFileExists('file')) {
         $destPath = $currentPath . '/' . $this->cleanFileName($privateFileManager->getUploadedFileName('file'));
         @$privateFileManager->uploadFile('file', $destPath);
      }

      $request->redirect(null, null, 'files', explode('/', $currentDir));

   }

   function fileMakeDir($args, &$request) {
      $this->_parseDirArg($args, $currentDir, $parentDir);

      if ($dirName = $request->getUserVar('dirName')) {
         $currentPath = $this->_getRealFilesDir($request, $currentDir);
         $newDir = $currentPath . '/' . $this->cleanFileName($dirName);

         import('lib.pkp.classes.file.PrivateFileManager');
         $privateFileManager = new PrivateFileManager();
         @$privateFileManager->mkdir($newDir);
      }

      $request->redirect(null, null, 'files', explode('/', $currentDir));
   }

   function fileDelete($args, &$request) {
      $this->_parseDirArg($args, $currentDir, $parentDir);
      $currentPath = $this->_getRealFilesDir($request, $currentDir);

      import('lib.pkp.classes.file.PrivateFileManager');
      $privateFileManager = new PrivateFileManager();

      if (@is_file($currentPath)) {
         $privateFileManager->deleteFile($currentPath);
      } else {
         // TODO Use recursive delete (rmtree) instead?
         @$privateFileManager->rmdir($currentPath);
      }

      $request->redirect(null, null, 'files', explode('/', $parentDir));
   }


   //
   // Helper functions
   // FIXME Move some of these functions into common class (FileManager?)
   //

   function _parseDirArg($args, &$currentDir, &$parentDir) {
      $pathArray = array_filter($args, array('FilesHandler', 'fileNameFilter'));
      $currentDir = join($pathArray, '/');
      array_pop($pathArray);
      $parentDir = join($pathArray, '/');
   }

   function _getRealFilesDir($request, $currentDir) {
      $press =& $request->getPress();
      import('classes.file.PressFileManager');
      $pressFileManager = new PrivateFileManager($press->getId());
      
      return $privateFileManager->getBasePath() . $currentDir;
   }

   function fileNameFilter($var) {
      return (!empty($var) && $var != '..' && $var != '.');
   }

   function cleanFileName($var) {
      $var = String::regexp_replace('/[^\w\-\.]/', '', $var);
      if (!$this->fileNameFilter($var)) {
         $var = time() . '';
      }
      return $var;
   }

   function fileMimeType($filePath) {
      return String::mime_content_type($filePath);
   }

}
?>