<?php
/**
 * elFinder is a AJAX file manager with Wysiwyg API capable editors support
 * Copyright (c) 2010-2013, Alexey Sukhotin
 */

define('ELFINDER_POPUP_WIDTH', 700);
define('ELFINDER_POPUP_HEIGHT', 400);

include_once dirname(elfinder_connector_path()) . DIRECTORY_SEPARATOR . 'elFinder.class.php';
if (class_exists('elFinder')) {
  include_once drupal_get_path('module', 'elfinder') . DIRECTORY_SEPARATOR . 'inc' . DIRECTORY_SEPARATOR . 'elfinder.drupal.inc';
}

function elfinder_check_badpaths() {
  $ret = array('result' => TRUE, 'message' => '');
  $libpath = elfinder_lib_path();
  $badfiles = array('connectors/php/connector.php', 'php/connector.php', 'php/connector.minimal.php');

  $badpaths = array();

  foreach ($badfiles as $badfile) {
    $path = $libpath . '/' . $badfile;
    if (file_exists($path)) {
      $badpaths[] = $path;
    }
  }

  if (count($badpaths) > 0) {
    $message = t('elFinder library directory containing features test files :files. Please remove these files to avoid security hole.', array(':files' => implode(', ', $badpaths)));
    watchdog('elfinder', $message, array(), WATCHDOG_ALERT);
    drupal_set_message($message, 'error');
    
    $ret['result'] = FALSE;
    $ret['message'] = $message;
    
  }

  return $ret;
}

function elfinder_init() {
  elfinder_check_badpaths();
}
 
/**
 * Implements hook_menu().
 */
function elfinder_menu() {
  $items = array();
  
  $access = array('use file manager');

  $items['admin/content/files'] = array(
    'title' => 'Files',
    'page callback' => 'elfinder_file_browser',
    'page arguments' => array('backend'),
    'description' => 'Manage media files.',
    'access arguments' => array('administer file manager'),
  );  

  $items['admin/content/files']['type'] = MENU_LOCAL_TASK;
    
  $items['elfinder'] = array(
    'title' => 'File browser',
    'page callback' => 'elfinder_file_browser',
    'page arguments' => array('default'),
    'access arguments' => $access,
    'type' => MENU_CALLBACK,
  );

  $items['elfinder/connector'] = array(
    'title' => 'File browser',
    'page callback' => 'elfinder_filesystemconnector',
    'page arguments' => array(NULL),
    'access arguments' => $access,
    'type' => MENU_CALLBACK,
  );

  // Forced connector relative url mode. For filefield_sources support.
  $items['elfinder/connector/relative'] = array(
    'title' => 'File browser',
    'page callback' => 'elfinder_filesystemconnector',
    'page arguments' => array('relative'),
    'access arguments' => $access,
    'type' => MENU_CALLBACK,
  );

  $settings_page = array(
    'title' => 'elFinder',
    'description' => 'elFinder file manager settings',
    'page callback' => 'elfinder_admin',
    'access arguments' => array('administer file manager'),
    'file' => 'inc/elfinder.admin.inc',
  );

  $items['admin/config/elfinder'] = $items['admin/config/media/elfinder'] = $settings_page;
  $items['admin/config/elfinder']['type'] = MENU_CALLBACK;
 
  $items['admin/config/media/elfinder/profile'] = array(
    'title' => 'Add Profile',
    'page callback' => 'elfinder_admin_profiles',
    'page arguments' => array('profile_add'),
    'access arguments' => array('administer file manager'),
    'type' => MENU_CALLBACK,
    'file' => 'inc/elfinder.admin.profiles.inc',
  );
  
  $items['admin/config/media/elfinder/profile/%/delete'] = array(
    'title' => 'Delete Profile',
    'page callback' => 'elfinder_admin_profiles',
    'page arguments' => array('profile_delete', 5),
    'access arguments' => array('administer file manager'),
    'type' => MENU_CALLBACK,
    'file' => 'inc/elfinder.admin.profiles.inc',
  );

  $items['admin/config/media/elfinder/profile/%/edit'] = array(
    'title' => 'Edit Profile',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('elfinder_admin_profile', 'profile_edit', 5),
    'access arguments' => array('administer file manager'),
    'type' => MENU_CALLBACK,
    'file' => 'inc/elfinder.admin.profiles.inc',
  );

  
 $items['elfinder/ahah/dir'] = array(
    'title' => 'JavaScript Volume Add Item',
    'page callback' => 'elfinder_admin_form_dir_js',
    'page arguments' => array('item_add'),
    'access arguments' => array('administer file manager'),
    'type' => MENU_CALLBACK,
    'file' => 'inc/elfinder.admin.profiles.inc',
  );
  
 $items['elfinder/ahah/rmdir/%'] = array(
    'title' => 'JavaScript Volume Remove Item',
    'page callback' => 'elfinder_admin_form_dir_js',
    'page arguments' => array('item_remove', 3),
    'access arguments' => array('administer file manager'),
    'type' => MENU_CALLBACK,
    'file' => 'inc/elfinder.admin.profiles.inc',
  );  
  
  $items['elfinder/upload/fckeditor'] = array(
    'title' => 'FCKeditor Quick Upload',
    'page callback' => 'elfinder_editor_upload_fckeditor',
    'access arguments' => array('access content'),
    'type' => MENU_CALLBACK,
    'file' => 'editors/fckeditor/fckeditor.upload.inc',
  );
  
  $items['elfinder/upload/ckeditor'] = array(
    'title' => 'CKeditor Quick Upload',
    'page callback' => 'elfinder_editor_upload_ckeditor',
    'access arguments' => array('access content'),
    'type' => MENU_CALLBACK,
    'file' => 'editors/ckeditor/ckeditor.upload.inc',
  );  
  
  /* Getting updated menu items from hook_elfinder_menu */
  $newitems = module_invoke_all('elfinder_menu', $items);
  
  return ($newitems) ? $newitems : $items;
}

function elfinder_js_alter(&$javascript) {
  //$javascript['misc/jquery.js']['data'] = drupal_get_path('module', 'elfinder') . '/js/elfinder.jquery.min.js';
}

/**
 * File browser render
 */
function elfinder_file_browser($browser_mode = 'default') {
  $libpath = elfinder_lib_path() . '/';
  $p = elfinder_get_user_profile();

  if (is_readable(elfinder_connector_path())) {
    global $language;

    $path = drupal_get_path('module', 'elfinder');
    $editorApp = '';
    $langCode = isset($language->language) ? $language->language : 'en';

    if (isset($_GET['app'])) {
      if (preg_match("/^[a-zA-Z]+$/", $_GET['app'])) {
        $editorApp = $_GET['app'];
      } elseif (preg_match("/^([a-zA-Z]+)|/", $_GET['app'], $m)) {
        $editorApp = $m[1];
      }
    }

    if (isset($_GET['langCode'])) {
      if (preg_match("/^[a-zA-z]{2}$/", $_GET['langCode'])) {
        $langCode = $_GET['langCode'];
      }
    }
    
    /* Initial frontend settings */
    $elfinder_js_settings = array(
      'connectorUrl' => url('elfinder/connector'),
      'moduleUrl' => url('elfinder'),
      'editorApp' => $editorApp,
      'langCode' => $langCode,
      'rememberLastDir' => variable_get('elfinder_settings_misc_rememberlastdir', 'true')  == 'true' ? TRUE : FALSE, // remember last opened directory
      'disabledCommands' => elfinder_get_disabled_commands(),
      'requestType' => variable_get('elfinder_settings_misc_requesttype', 'get') == 'get' ? 'get' : 'post',
      'browserMode' => $browser_mode,
      'token' => drupal_get_token('elFinder'),
      'soundPath' => base_path() . elfinder_lib_path() . '/sounds',
    );

    if (($mheight = variable_get('elfinder_settings_misc_manager_height', '')) != '') {
      $elfinder_js_settings['height'] = (int)$mheight;
    }
    $elfinder_js_settings['resizable'] = ($browser_mode == 'backend');

    if ($editorApp) {
      $elfinder_js_settings['editorCallback'] = 'elfinder_' . $editorApp . '_callback';
    }
    
    $options = array(
      'group' => CSS_DEFAULT, 
      'every_page' => FALSE,
    );

	  $sysjqver = variable_get('jquery_update_jquery_version', '1.10');

    if (!(module_exists('jquery_update') && preg_match('/1\.(8|9|10|11|12)/', $sysjqver))) {
      drupal_add_js($path . '/js/elfinder.jquery.min.js');
      drupal_add_js($path . '/js/elfinder.jquery-ui.min.js');
    } else {
      drupal_add_library('system', 'ui.button');
      drupal_add_library('system', 'ui.dialog');
      drupal_add_library('system', 'ui.draggable');
      drupal_add_library('system', 'ui.droppable');
      drupal_add_library('system', 'ui.resizable');
      drupal_add_library('system', 'ui.selectable');
      drupal_add_library('system', 'ui.slider');
    }
    
    elfinder_add_css($path . '/css/ui-themes/smoothness/jquery-ui.custom.css', $options);
    elfinder_add_css($path . '/css/elfinder.common.css', $options);
    
    if (is_readable($libpath . 'css/elfinder.min.css') && is_readable($libpath . 'js/elfinder.min.js')) {
      elfinder_add_css($libpath . 'css/elfinder.min.css');
      drupal_add_js($libpath . 'js/elfinder.min.js');
    } else if (is_readable($libpath . 'css/elfinder.full.css') && is_readable($libpath . 'js/elfinder.full.js')) {
      elfinder_add_css($libpath . 'css/elfinder.full.css');
      drupal_add_js($libpath . 'js/elfinder.full.js');
    } else if (is_readable($libpath . 'css/common.css') && is_readable($libpath . 'js/elFinder.js')) {
      elfinder_add_css($libpath . 'css/common.css');
      elfinder_add_css($libpath . 'css/dialog.css');
      elfinder_add_css($libpath . 'css/toolbar.css');
      elfinder_add_css($libpath . 'css/navbar.css');
      elfinder_add_css($libpath . 'css/statusbar.css');
      elfinder_add_css($libpath . 'css/cwd.css');
      elfinder_add_css($libpath . 'css/quicklook.css');
      elfinder_add_css($libpath . 'css/commands.css');
      elfinder_add_css($libpath . 'css/contextmenu.css');
      elfinder_add_css($libpath . 'css/theme.css');
      drupal_add_js($libpath . 'js/elFinder.js');
      drupal_add_js($libpath . 'js/elFinder.version.js');
      drupal_add_js($libpath . 'js/jquery.elfinder.js');
      drupal_add_js($libpath . 'js/elFinder.resources.js');
      drupal_add_js($libpath . 'js/elFinder.options.js');
      drupal_add_js($libpath . 'js/elFinder.history.js');
      drupal_add_js($libpath . 'js/elFinder.command.js');
      drupal_add_js($libpath . 'js/ui/overlay.js');
      drupal_add_js($libpath . 'js/ui/workzone.js');
      drupal_add_js($libpath . 'js/ui/navbar.js');
      drupal_add_js($libpath . 'js/ui/dialog.js');
      drupal_add_js($libpath . 'js/ui/tree.js');
      drupal_add_js($libpath . 'js/ui/cwd.js');
      drupal_add_js($libpath . 'js/ui/toolbar.js');
      drupal_add_js($libpath . 'js/ui/button.js');
      drupal_add_js($libpath . 'js/ui/uploadButton.js');
      drupal_add_js($libpath . 'js/ui/viewbutton.js');
      drupal_add_js($libpath . 'js/ui/searchbutton.js');
      drupal_add_js($libpath . 'js/ui/panel.js');
      drupal_add_js($libpath . 'js/ui/contextmenu.js');
      drupal_add_js($libpath . 'js/ui/path.js');
      drupal_add_js($libpath . 'js/ui/stat.js');
      drupal_add_js($libpath . 'js/ui/places.js');
      drupal_add_js($libpath . 'js/commands/back.js');
      drupal_add_js($libpath . 'js/commands/forward.js');
      drupal_add_js($libpath . 'js/commands/reload.js');
      drupal_add_js($libpath . 'js/commands/up.js');
      drupal_add_js($libpath . 'js/commands/home.js');
      drupal_add_js($libpath . 'js/commands/copy.js');
      drupal_add_js($libpath . 'js/commands/cut.js');
      drupal_add_js($libpath . 'js/commands/paste.js');
      drupal_add_js($libpath . 'js/commands/open.js');
      drupal_add_js($libpath . 'js/commands/rm.js');
      drupal_add_js($libpath . 'js/commands/duplicate.js');
      drupal_add_js($libpath . 'js/commands/rename.js');
      drupal_add_js($libpath . 'js/commands/help.js');
      drupal_add_js($libpath . 'js/commands/getfile.js');
      drupal_add_js($libpath . 'js/commands/mkdir.js');
      drupal_add_js($libpath . 'js/commands/mkfile.js');
      drupal_add_js($libpath . 'js/commands/upload.js');
      drupal_add_js($libpath . 'js/commands/download.js');
      drupal_add_js($libpath . 'js/commands/edit.js');
      drupal_add_js($libpath . 'js/commands/quicklook.js');
      drupal_add_js($libpath . 'js/commands/quicklook.plugins.js');
      drupal_add_js($libpath . 'js/commands/extract.js');
      drupal_add_js($libpath . 'js/commands/archive.js');
      drupal_add_js($libpath . 'js/commands/search.js');
      drupal_add_js($libpath . 'js/commands/view.js');
      drupal_add_js($libpath . 'js/commands/resize.js');
      drupal_add_js($libpath . 'js/commands/info.js');
      drupal_add_js($libpath . 'js/commands/sort.js');
      drupal_add_js($libpath . 'js/commands/netmount.js');
      drupal_add_js($libpath . 'js/proxy/elFinderSupportVer1.js');
      drupal_add_js($libpath . 'js/jquery.dialogelfinder.js');
    } else {
      watchdog('Failed Requirement', 'elFinder unable to load required JS and CSS files', array(), WATCHDOG_ERROR);
    }
 
		$langfile = $libpath . 'js/i18n/elfinder.' . $langCode . '.js';
      
    if (is_readable($libpath . 'css/theme.css')) {
        elfinder_add_css($libpath . 'css/theme.css');
    }
		
    /* Adding localization */
    if (is_readable($langfile)) {
      drupal_add_js($langfile);
    }

    /* Getting updated frontend settings from hook_elfinder_js_settings */
    $newjssettings = module_invoke_all('elfinder_js_settings', $elfinder_js_settings);
    
    if (isset($newjssettings['all'])) {
      $elfinder_js_settings = array_merge($elfinder_js_settings, (array)$newjssettings['all']);
    }
    
    if (isset($newjssettings[$editorApp])) {
      $elfinder_js_settings = array_merge($elfinder_js_settings, (array)$newjssettings[$editorApp]);
    }

    /* Loading callbacks for returning url from file manager to caller */
    $editor_plugins = elfinder_system_listing("$editorApp\.callback\.js\$", $path . '/editors' , 'name', 0);

    $callback_file = '';

    if (isset($editorApp)) {
    
      if (isset($editorApp) && isset($editor_plugins[$editorApp . '.callback'])) {

        $callback_file = $editor_plugins[$editorApp . '.callback']->uri;

        if (isset($callback_file)) {
          drupal_add_js($callback_file);
        }
      }
      
      if (isset($elfinder_js_settings['browserscripts'])) {
        foreach ((array)$elfinder_js_settings['browserscripts'] as $script) {
          drupal_add_js($script, array('weight' => 999));
        }
        unset($elfinder_js_settings['browserscripts']);
      }
    
    }
      
    if (property_exists('elFinder', 'ApiVersion')) {
        $elfinder_js_settings['api21'] = true;
    } else {
        drupal_add_js($path . '/js/info.js');
    }
   // drupal_add_js($path . '/js/mouseover.js');
    drupal_add_js($path . '/js/elfinder.callback.js');
    drupal_add_js(array('elfinder' => $elfinder_js_settings), 'setting');
      
      
     $libs = elfinder_get_libraries('tinymce');

     if (count($libs) > 0 && !empty($libs['tinymce'])) {
         
         $path = $libs['tinymce'] . '/jscripts/tiny_mce/tiny_mce_popup.js';
         $abspath = base_path() . "/$path";
         drupal_add_js($path);
     }
    
  } else {
    drupal_set_message(t('elFinder library was not found. Please download it from <a href="@url">@url</a> and install to @libpath.', array('@url' => elfinder_download_url(), '@libpath' => $libpath)), 'error');
  }

  if ($browser_mode && $browser_mode  == 'backend') {
    return theme('elfinder_page_backend');
  } else {
    print theme('elfinder_page');
  }

  module_invoke_all('exit');
  exit();
}


function elfinder_get_disabled_commands() {

  $disabled_commands = array();

  $permissions = elfinder_permission();
  
  $commands = elfinder_cmd_permissions();

  // Disable not allowed commands
  foreach ($permissions as $perm_name => $perm_data) {
    if (array_key_exists($perm_name, $commands) && !user_access($perm_name)) {
      array_push($disabled_commands, $commands[$perm_name]);
    }
  } 
   
/*  if (!user_access('download own uploaded files') && !user_access('download all uploaded files')) {
    $disabled_commands[] = 'getfile';
  }*/
 
  return $disabled_commands;
}

function elfinder_user_roles() {
  global $user;
  return array_reverse(array_keys($user->roles));
}

function elfinder_get_user_profile() {
  /* Get role id list sorted by weight descending */
  $profiles = elfinder_admin_profile_get();
  
  if (!is_array($profiles)) {
      $profiles = array($profiles);
  }
  
  $first_profile = NULL;
  
  $rids = elfinder_user_roles();
  $rids[] = 1; // anonymous user
  
  /* Get first matching profile for higest weight user role */
  foreach ($rids as $rid) {
    foreach ($profiles as $profile) {
        if (isset($profile->settings['profile_role']) && in_array($rid, $profile->settings['profile_role']) ) {
          if (is_null($first_profile)) {
            $first_profile = $profile;
          } else if (isset($profile->settings['volume'])) {
            /* Adding all available to current user volumes from other profiles */
            foreach ($profile->settings['volume'] as $volume) {
              $first_profile->settings['volume'][] = $volume;
            }
          }
        }
    }
    
  }

  return $first_profile;
}

/**
 * File browser to filesystem php connector callback
 */
function elfinder_filesystemconnector($mode = 'default') {
  global $base_root, $user;
  
  $p = elfinder_get_user_profile();
  
  $path = drupal_get_path('module', 'elfinder');
  
  include_once dirname(elfinder_connector_path()) . DIRECTORY_SEPARATOR . 'elFinderConnector.class.php';
  include_once dirname(elfinder_connector_path()) . DIRECTORY_SEPARATOR . 'elFinderVolumeDriver.class.php';
  include_once dirname(elfinder_connector_path()) . DIRECTORY_SEPARATOR . 'elFinderVolumeLocalFileSystem.class.php';
  include_once $path . DIRECTORY_SEPARATOR . 'inc' . DIRECTORY_SEPARATOR . 'elfinder.drupalfs.driver.inc';
  include_once $path . DIRECTORY_SEPARATOR . 'inc' . DIRECTORY_SEPARATOR . 'elfinder.drupalfs.acl.inc';
  include_once $path . DIRECTORY_SEPARATOR . 'inc' . DIRECTORY_SEPARATOR . 'elfinder.admin.profiles.inc';

  
/**
 * Emulate json_encode required by filesystem connector for old php without JSON support
 */
  if (!function_exists('json_encode')) {
    function json_encode($arg) {
      return drupal_json($arg);
    }
  }
  
  /* Disabling incompartible devel module features */
  if (module_exists('devel')) {
    $devel_incompat = array('dev_timer', 'devel_query_display', 'dev_mem', 'devel_redirect_page');
    $flag = FALSE;

    foreach ($devel_incompat as $di) {
      if (variable_get($di, 0)) {
        $flag = TRUE;
        variable_set($di, 0);
      }
    }

    if ($flag) {
      drupal_set_message(t('elFinder disabled incompatible devel module features.'), 'warning');
    }
  }

  // Set absolute/relative url variable.
  if(!isset($mode) && variable_get('elfinder_settings_filesystem_fileurl', 'true') == 'false') {
    $mode = 'relative';
  }

  $disabled_commands = elfinder_get_disabled_commands();

  $acl = new elFinderDrupalACL();
  
  $pubFiles = file_stream_wrapper_get_instance_by_uri('public://');
  $pvtFiles = file_stream_wrapper_get_instance_by_uri('private://');
  
  $roots = array();

  if ($p) {
    $profile = $p->settings;
  } else {
    $profile = array();
  }

  $options_defs = array(
      'disabled' => $disabled_commands, // list of not allowed commands
      'debug' => FALSE,
      'dirSize' => FALSE,
      'tmbSize' => isset($profile['tmbsize']) ? $profile['tmbsize'] : variable_get('elfinder_settings_thumbnail_size', '48'), // thumbnail image size
      'tmbPath' => variable_get('elfinder_settings_thumbnail_dirname', 'tmb'), // thumbnail images directory (tmbPath in 2.x)
      'tmbCrop' => variable_get('elfinder_settings_thumbnail_tmbcrop', 'true') == 'true' ? TRUE : FALSE, // crop thumbnail image
      'dateFormat' => variable_get('date_format_long', 'j M Y H:i'),  // file modification date format
      'mimeDetect' => isset($profile['mime_detect']) ? $profile['mime_detect'] : variable_get('elfinder_settings_filesystem_mimedetect', 'auto'),  // file type detection method
      'imgLib' => isset($profile['imglib']) ? $profile['imglib'] : variable_get('elfinder_settings_thumbnail_imglib', 'auto'), // image manipulation library
      'fileMode' => isset($profile['file_perm']) ? octdec($profile['file_perm']) : octdec(variable_get('elfinder_settings_filesystem_fileperm', '0666')), // created file permissions
      'dirMode' => isset($profile['dir_perm']) ? octdec($profile['dir_perm']) : octdec(variable_get('elfinder_settings_filesystem_dirperm', '0777')), // created directory permissions
      'accessControlData' => array('uid' => $user->uid),
      'acceptedName' => '/^[^\.]+/',
      'uploadMaxSize' => parse_size(variable_get('elfinder_settings_filesystem_maxfilesize', '')),
      'userProfile' => $p,
      'jpgQuality' => variable_get('image_jpeg_quality', 75),
  );

  
  if (is_object($pubFiles) && user_access('access public files')) {
    $roots[] = array_merge($options_defs, array(
      'driver' => 'Drupal',
      'path' => drupal_realpath('public://'),  // path to root directory (named 'path' in elFinder 2.0)
      'URL' => $mode == 'relative' ? base_path() . $pubFiles->getDirectoryPath() : $pubFiles->getExternalUrl(), // root directory URL
      'alias' => variable_get('elfinder_settings_filesystem_public_root_label', '') != '' ? variable_get('elfinder_settings_filesystem_public_root_label', '') : t('Public Files'), // display this instead of root directory name (named 'alias' in elFinder 2.0)
      'accessControl' => array($acl, 'fsAccessPublic'),
     ));
  }
  
  if (is_object($pvtFiles) && user_access('access private files')) {
    $roots[] = array_merge($options_defs, array(
      'driver' => 'Drupal',
      'path' => drupal_realpath('private://'),  // path to root directory (named 'path' in elFinder 2.0)
      'URL' => $mode == 'relative' ? base_path() . $pvtFiles->getDirectoryPath() : $pvtFiles->getExternalUrl(), // root directory URL
      'alias' => variable_get('elfinder_settings_filesystem_private_root_label', '') != '' ? variable_get('elfinder_settings_filesystem_private_root_label', '') : t('Private Files'), // display this instead of root directory name (named 'alias' in elFinder 2.0)
      'accessControl' => array($acl, 'fsAccessPrivate'),
     ));
  }
  
  if (user_access('access unmanaged files')) {
    $roots[] = array_merge($options_defs, array(
      'driver' => 'LocalFileSystem',
      'path' => elfinder_file_directory_path(TRUE),  // path to root directory (named 'path' in elFinder 2.0)
      'URL' => elfinder_file_directory_url($mode == 'relative' ? TRUE : FALSE), // root directory URL
      'alias' => variable_get('elfinder_settings_filesystem_unmanaged_root_label', '') != '' ? variable_get('elfinder_settings_filesystem_unmanaged_root_label', '') : t('Unmanaged Files'), // display this instead of root directory name (named 'alias' in elFinder 2.0)
      'accessControl' => array($acl, 'fsAccessUnmanaged'),
     ));
  }
  
  if (isset($profile['volume'])) {

    foreach ($profile['volume'] as $volume) {

      $root = array(
          'alias' => $volume['label'],
      );

      $is_subdir = FALSE;

      $rootpath = '';


      if (isset($volume['path']) && substr($volume['path'], 0, 1) != DIRECTORY_SEPARATOR) {
        $is_subdir = TRUE;
      }

      if ($is_subdir) {
          
        $root['driver'] = 'Drupal';

        $scheme = file_uri_scheme($volume['path']);

        if ($scheme == FALSE) {
           if (is_object(file_stream_wrapper_get_instance_by_uri('private://'))) {
             $scheme = 'private';
          } else {
             $scheme = 'public';
           }
        }

        $rootpath = $volume['path'];

        if ($pos = strpos($rootpath, '://')) {
          $rootpath = substr($rootpath, $pos + 3);
        }

        $streamWrapper = file_stream_wrapper_get_instance_by_scheme($scheme);

        if (is_object($streamWrapper)) {
            $volpath = $streamWrapper->realpath();
            $volurl = $mode == 'relative' ? base_path() . $streamWrapper->getDirectoryPath() : $streamWrapper->getExternalUrl();
            $url = isset($volume['url']) && $volume['url'] != '' ? elfinder_parse_path_tokens($volume['url']) : $volurl;
        }
        $rootpath = elfinder_parse_path_tokens($rootpath);

        $trimmedpath = ltrim($rootpath, './');

        $rootpath = $volpath . DIRECTORY_SEPARATOR . $trimmedpath;
        $url = rtrim($url, '/');

        $url .= "/$trimmedpath";

        if (!file_prepare_directory($rootpath, FILE_CREATE_DIRECTORY)) {
          drupal_set_message(t('Error. Cannot initialize directory %dir', array('%dir' => $rootpath)), 'error');
        }

        $root['path'] = drupal_realpath($rootpath);
        $root['URL'] = $url;
        $root['tmbPath'] = $volpath . DIRECTORY_SEPARATOR . variable_get('elfinder_settings_thumbnail_dirname', 'tmb');
        $root['tmbURL'] = $volurl . '/' . variable_get('elfinder_settings_thumbnail_dirname', 'tmb');
      } else {

        $rootpath = elfinder_parse_path_tokens($volume['path']);
        $root['driver'] = 'LocalFileSystem';
        $root['path'] = $rootpath;

        if (isset($volume['url'])) {
          $root['URL'] = elfinder_parse_path_tokens($volume['url']);
        }
      }

      $root = array_merge($options_defs, $root);

      $roots[] = $root;
    }
  }
  
  $opts = array(
    'roots' => $roots,     
	'driver_defaults' => $options_defs,
  );
  
  $newopts = module_invoke_all('elfinder_connector_config', $opts);
  
  if ($newopts) {
    $opts = $newopts;
  }

  class elFinderConnectorDrupal extends elFinderConnector {
    public function test() {
    }
  }
  
  try {
	  $elFinderObj = new elFinderDrupal($opts);
  } catch (Exception $e) {
	module_invoke_all('exit');
	exit(drupal_json_encode(array('error' => array(t('Unable to initialize elFinder object. :msg', array(':msg' => basename($e->getFile()) .": ". $e->getMessage()))))));
  }
  
  $bindcmds = module_invoke_all('elfinder_bind');
  
  foreach ($bindcmds as $cmd => $cmdfunc) {
    $elFinderObj->bind($cmd, $cmdfunc);
  }
  
  try {
	$elFinderConnectorObj = new elFinderConnectorDrupal($elFinderObj);
  } catch (Exception $e) {
	module_invoke_all('exit');
	exit(drupal_json_encode(array('error' => array(t('Unable to initialize elFinder connector object. :msg', array(':msg' => basename($e->getFile()) .": ". $e->getMessage()))))));
  }
  
  module_invoke_all('elfinder_connector_init', $elFinderConnectorObj);
    
	if (!drupal_valid_token($_REQUEST['token'], 'elFinder', TRUE)) {
		module_invoke_all('exit');
		exit(drupal_json_encode(array('error' => array(t('Access denied')))));
	} else {
		try {
			$elFinderConnectorObj->run();
		} catch (Exception $e) {
			module_invoke_all('exit');
			exit(drupal_json_encode(array('error' => array(t('Unable to run elFinder connector. :msg', array(':msg' => basename($e->getFile()) .": ". $e->getMessage()))))));
		}
		module_invoke_all('exit');
		exit();
	}
}

function elfinder_elfinder_bind() {
  return array('test' => 'test2');
}

/**
 * Implements hook_theme().
 */
function elfinder_theme() {
  $theme = array();
  $theme['elfinder_page'] = array(
    'template' => 'elfinder-page',
    'arguments' => array('libPath' => '/' . elfinder_lib_path()),
    'path' => drupal_get_path('module', 'elfinder') . '/tpl',
  );

  $theme['elfinder_page_backend'] = array(
    'template' => 'elfinder-page-backend',
    'arguments' => array('libPath' => '/' . elfinder_lib_path()),
    'path' => drupal_get_path('module', 'elfinder') . '/tpl',
  );
  
  return $theme;
}


/**
 * Implements hook_permission(), D7
 */
function elfinder_permission() {
  $perm = array(
    'use file manager' => array(
      'title' => t('Use elFinder file manager'),
      'description' => t('Allow accessing elFinder file manager module'),
    ),

    'administer file manager' => array(
      'title' => t('Administer file manager'),
      'description' => t('Allow users to administer file manager'),
    ),

    'create new directories' => array(
      'title' => t('Create new directories'),
      'description' => t('Allow users to create new directories'),
    ),

    'create new files' => array(
      'title' => t('Create new files'),
      'description' => t('Allow users to create new files'),
    ),

    'rename files and directories' => array(
      'title' => t('Rename files and directories'),
      'description' => t('Allow users to rename files and directories'),
    ),

    'file uploads' => array(
      'title' => t('File uploads'),
      'description' => t('Allow users to upload files'),
    ),

    'paste from clipboard' => array(
      'title' => t('Paste from clipboard'),
      'description' => t('Allow users to paste files from clipboard'),
    ),

    'copy to clipboard' => array(
      'title' => t('Copy to clipboard'),
      'description' => t('Allow users to copy files to clipboard'),
    ),
    
    'cut to clipboard' => array(
      'title' => t('Cut to clipboard'),
      'description' => t('Allow users to cut files to clipboard'),
    ),

    'view file info' => array(
      'title' => t('View file info'),
      'description' => t('Allow users to view file info'),
    ),
    
    'preview files' => array(
      'title' => t('Preview files'),
      'description' => t('Allow users to preview files'),
    ),
    
    'delete files and directories' => array(
      'title' => t('Delete files and directories'),
      'description' => t('Allow users to delete files and directories'),
    ),

    'duplicate files' => array(
      'title' => t('Duplicate files'),
      'description' => t('Allow users to duplicate files'),
    ),

    'edit files' => array(
      'title' => t('Edit files'),
      'description' => t('Allow users to edit files'),
    ),

    'add files to archive' => array(
      'title' => t('Add files to archive'),
      'description' => t('Allow users add files to archive'),
    ),

    'extract files from archive' => array(
      'title' => t('Extract files from archive'),
      'description' => t('Allow users to extract files from archive'),
    ),

    'resize images' => array(
      'title' => t('Resize images'),
      'description' => t('Allow users to resize images'),
    ),

    'download own uploaded files' => array(
      'title' => t('Download own uploaded files'),
      'description' => t('Allow users to download own uploaded files'),
    ),

    'download all uploaded files' => array(
      'title' => t('Download all uploaded files'),
      'description' => t('Allow users to download all uploaded files'),
    ),
    
    'access public files' => array(
      'title' => t('Access public files'),
      'description' => t('Allow users to access public files directory'),
    ),
    
    'access private files' => array(
      'title' => t('Access private files'),
      'description' => t('Allow users to access private files directory'),
    ),

    'access unmanaged files' => array(
      'title' => t('Access unmanaged files'),
      'description' => t('Allow users to access unmanaged files in custom directory'),
    ),
    
    'write public files' => array(
      'title' => t('Write public files'),
      'description' => t('Allow users write access to public files directory'),
    ),
    
    'write private files' => array(
      'title' => t('Write private files'),
      'description' => t('Allow users write access to private files directory'),
    ),

    'access unmanaged files' => array(
      'title' => t('Access unmanaged files'),
      'description' => t('Allow users write access to unmanaged files in custom directory'),
    ),

    'view file description' => array(
      'title' => t('View file descriptions'),
      'description' => t('Allow users to view file descriptions'),
    ),
    
    'edit file description' => array(
      'title' => t('Edit file descriptions'),
      'description' => t('Allow users to edit file descriptions'),
    ),
    
    'view file owner' => array(
      'title' => t('View file owner'),
      'description' => t('Allow users to view file owner'),
    ),
    
    'view file downloads' => array(
      'title' => t('View file downloads'),
      'description' => t('Allow users to view file downloads'),
    ),
      
    'mount network volumes' => array(
      'title' => t('Mount network volumes'),
      'description' => t('Allow users to mount remote network volumes'),
    ),
    
  );
  
  $newperms = module_invoke_all('elfinder_perms', $perm);
  
  return ($newperms) ? $newperms : $perm;
}


/**
 * elFider commandsto permissions assignment
 */
function elfinder_cmd_permissions() {
  $perm = array(
    'create new directories'        => 'mkdir',
    'create new files'              => 'mkfile',
    'rename files and directories'  => 'rename',
    'file uploads'                  => 'upload',
    'copy to clipboard'             => 'copy',
    'cut to clipboard'              => 'cut',
    'paste from clipboard'          => 'paste',
    'preview files'                 => 'quicklook',
    'view file info'                => 'info',
    'delete files and directories'  => 'rm',
    'duplicate files'               => 'duplicate',
    'edit files'                    => 'edit',
    'add files to archive'          => 'archive',
    'extract files from archive'    => 'extract',
    'resize images'                 => 'resize',
    'download own uploaded files'   => 'download',
    'view file description'         => 'desc',
    'edit file description'         => 'editdesc',
    'view file owner'               => 'owner',
    'view file downloads'           => 'downloadcount',
    'mount network volumes'         => 'netmount',
  );
  
  $newcperms = module_invoke_all('elfinder_cmd_perms', $perm);
  
  return ($newcperms) ? $newcperms : $perm;
}

/**
 * Implements hook_wysiwyg_plugin().
 */
function elfinder_wysiwyg_plugin($editor, $version) {

  $path = drupal_get_path('module', 'elfinder');

  drupal_add_js($path . '/js/elfinder.wysiwyg.init.js', array('group' => JS_LIBRARY));
  
  $options = array(
    'elfinder_url' => url('elfinder', array('query' => array('app' => $editor ))),
    'homepage_url' => elfinder_homepage_url(),
    'path'         => $path,
  );
  
  /* bueditor hack */
  if (preg_match('/^(bueditor|bue)/', $editor)) {
      $editor = 'bueditor';
  }
  
  $editor_plugins = elfinder_system_listing("$editor\.inc\$", $path . '/editors' , 'name', 0);
  
  /* loading editor plugin */
  $plugin_file = '';
  
  if (isset($editor_plugins[$editor])) {
  
    $plugin_file = $editor_plugins[$editor]->uri;
 
    if ($plugin_file) {
      $options['plugin_url_base'] = "$path/editors/$editor"; 
      require_once $plugin_file;
    }
  }

  /* hook for adding another editor support */
  //module_invoke_all('elfinder_editor_plugin');
  
  /* wysiwyg plugin generation func for selected editor */
  $pluginfunc = 'elfinder_' . $editor . '_elfinder_editor_plugin';
  
  /* returning elFinder wysiwyg editor plugin for selected editor */
  if (function_exists($pluginfunc)) {
    return call_user_func_array($pluginfunc, array($options));
  }

}

/**
 * library homepage url
 */
function elfinder_homepage_url() {
  return 'http://elfinder.org/';
}

/**
 * library download url
 */
function elfinder_download_url() {
  return 'http://sourceforge.net/projects/drupal-elfinder/files/Library/';
}

/**
 * library files path
 */
function elfinder_lib_path($name = 'elfinder') {
  
  $libraries = &drupal_static(__FUNCTION__);

  if (!isset($libraries)) {
    $libraries = elfinder_get_libraries();
  }

  $path = '';
  
  if (!isset($libraries[$name])) {
    return FALSE;
  } else {
    $path .= $libraries[$name];
  }

  return $path;
}

function elfinder_get_libraries() {
  $directory = 'libraries';
  $searchdir = array();
  $profile = drupal_get_profile();
  $config = conf_path();

  // Similar to 'modules' and 'themes' directories in the root directory,
  // certain distributions may want to place libraries into a 'libraries'
  // directory in Drupal's root directory.
  $searchdir[] = $directory;

  // The 'profiles' directory contains pristine collections of modules and
  // themes as organized by a distribution.  It is pristine in the same way
  // that /modules is pristine for core; users should avoid changing anything
  // there in favor of sites/all or sites/<domain> directories.
  if (file_exists("profiles/$profile/$directory")) {
    $searchdir[] = "profiles/$profile/$directory";
  }

  // Always search sites/all/*.
  $searchdir[] = 'sites/all/' . $directory;

  // Also search sites/<domain>/*.
  if (file_exists("$config/$directory")) {
    $searchdir[] = "$config/$directory";
  }

  // Retrieve list of directories.
  // @todo Core: Allow to scan for directories.
  $directories = array();
  $nomask = array('CVS');
  foreach ($searchdir as $dir) {
    if (is_dir($dir) && $handle = opendir($dir)) {
      while (FALSE !== ($file = readdir($handle))) {
        if (!in_array($file, $nomask) && $file[0] != '.') {
          if (is_dir("$dir/$file")) {
            $directories[$file] = "$dir/$file";
          }
        }
      }
      closedir($handle);
    }
  }

  return $directories;
}

/**
 * library to filesystem connector path
 */
function elfinder_connector_path() {
  return elfinder_lib_path() . '/php/elFinder.class.php';
}

/**
  * path to files directory
  */
function elfinder_file_directory_path($absolute = FALSE) {
  $path = variable_get('elfinder_settings_filesystem_root_custom', '');
  $path = elfinder_parse_path_tokens($path);

  return $path;
}

/**
  * Returning site document root
  */
function elfinder_document_root() {
  return realpath('');
}


/**
  * replace path tokens to its values (%uid, %user, etc)
  */
function elfinder_parse_path_tokens($unparsed_path) {
  global $user, $language;
  $path = $unparsed_path;
  
  $uname = isset($user->name) ? preg_replace('/[[:^alnum:]]+/', '', $user->name) : '';
  $langCode = isset($language->language) ? $language->language : 'en';
  
  $path_tokens = array(
    '%uid' => $user->uid,
    '%name' => $uname,
    '%user' => $uname,
    '%files' => elfinder_default_directory_path(),
    '%lang' => $langCode,
  );

  $path = strtr($path, $path_tokens);

  if (function_exists('token_replace')) {
    $node = null;
      
    if (module_exists('og_context') AND isset($_SESSION['og_context']['gid'])) {
      $gid =  $_SESSION['og_context']['gid'];
      $node = node_load($gid);
    } 
      
    $path = token_replace($path, array('node' => $node, 'user' => $user));
  }
  
  return $path;
}

/**
  * default path to files directory
  */
function elfinder_default_directory_path() {
  $filepath = '';

  $scheme = file_default_scheme();
    
  if ($scheme == 'public') {
    $filepath = variable_get('file_public_path', conf_path() . '/files');  
  } else {
    $filepath = variable_get('file_private_path', conf_path());
  }
  
  return $filepath;
}

/**
  * files directory url
  */
function elfinder_file_directory_url($force_relative = FALSE) {
  global $base_root;

  $fileurl = '';

  $fileurl = variable_get('elfinder_settings_filesystem_url_custom', '') . '/';
  if ($fileurl) {
    $fileurl = elfinder_parse_path_tokens($fileurl);
  }

  // Cutting off absolute url prefix
  if ($force_relative) {
    $fileurl = str_replace($base_root, '', $fileurl);
  }
  
  return $fileurl;
}

/**
  * prepare directory for files
  */
function elfinder_prepare_directory($directory) {
  $rc = file_prepare_directory($directory, FILE_CREATE_DIRECTORY);
  return $rc;
}

/**
  * Add css
  */
function elfinder_add_css($path, $options = array()) {
    return drupal_add_css($path, $options);
}

/**
  * Removing unwanted css
  */
function elfinder_browser_css() {
  $css = drupal_add_css();
  $rms = array();
  
  if (module_exists('admin_menu')) {

    $apath = drupal_get_path('module', 'admin_menu');
    $atpath = drupal_get_path('module', 'admin_menu_toolbar');

    $rms[] = isset($apath) ? $apath : '';
    $rms[] = isset($atpath) ? $atpath : '';

    foreach (array_keys($css) as $k) {
   
      foreach ($rms as $rm) {

        if (preg_match('|' . $rm . '|', $k) && $rm != '') {
        
          unset($css[$k]);
        }
      }
    }
  }
  
  return drupal_get_css($css);
}

/**
  * Removing unwanted js
  */
function elfinder_browser_js() {

  $js = drupal_add_js(NULL, array('scope' => 'header'));
  
  if (module_exists('admin_menu')) {
  
    $apath = drupal_get_path('module', 'admin_menu');
    $atpath = drupal_get_path('module', 'admin_menu_toolbar');

    $rms[] = isset($apath) ? $apath : '';
    $rms[] = isset($atpath) ? $atpath : '';

    foreach (array_keys($js) as $k) {
      foreach ($rms as $rm) {
        if (preg_match('|' . $rm . '|', $k) && $rm != '') {
          unset($js[$k]);
        }
      }
    }
  }

  return drupal_get_js('header', $js);
}


function elfinder_system_listing($matchexpr, $path, $arg1, $arg2) {
    return drupal_system_listing("/$matchexpr/", $path, $arg1, $arg2);
}

function elfinder_get_drupal_file_obj($uri) {
    global $user;

    $file = NULL;
    
    $fid = db_select('file_managed', 'f')
      ->condition('uri', rawurldecode($uri))
      ->fields('f', array('fid'))
      ->execute()
      ->fetchField();

    if ($fid) {
      $file = file_load($fid);
    } 
    else {
      $file = new StdClass;
      $file->uid = $user->uid;
      $file->filename = basename($uri);
      $file->uri = $uri;
      $file->filemime = file_get_mimetype($uri);
      if (is_file(drupal_realpath($uri))) {
        $file->filesize = filesize($uri);

      // Use the file_entity module's mimetype to entity type
      // functionality if we have that method available.
      if (function_exists('file_entity_file_type')) {
        $types = file_entity_file_type($file);
        if (count($types) > 0) {
          $file->type = $types[0];
        } else {
          $file->type = 'default';
        }
      } else {
        list($type) = explode("/", $file->filemime);
        switch($type) {
          case 'image':
          case 'video':
            $file->type = $type;
            break;

          default:
            $file->type = 'default';
            break;
        }
      }
    }
      $file->timestamp = REQUEST_TIME;
      $file->status = FILE_STATUS_PERMANENT;
    }
    return $file;
}

function elfinder_file_download($uri) {
  if (variable_get('elfinder_settings_filesystem_handleprivate', 'true') == 'true') {
    global $user;
    
    $accessown = 'download own uploaded files';
    $accessall = 'download all uploaded files';
    
    $info = elfinder_get_drupal_file_obj($uri);
    if (($info->uid == $user->uid && user_access($accessown)) || user_access($accessall)) {
    
     $disposition = preg_match("/^(text|image)\//", $info->filemime) ? 'inline' : 'attachment';

      return array(
        'Content-Type' => $info->filemime,
        'Content-Length' => $info->filesize,
        'Content-Disposition' => elFinderDrupal::GetContentDisposition($info->filename, $info->filemime, FALSE),
      );
    
    }
 
    return NULL;
  }
}

function elfinder_admin_profile_get($name = '') {

  $q = db_select('elfinder_profile', 'p')->fields('p', array('pid', 'name', 'description', 'settings'));
  
  if ($name) {
    $q->condition('p.name', $name);
  }
  
  $result = $q->execute();
  
  $profile = array();
     
  foreach ($result as $record) {
    $row = $record;
    $row->settings = unserialize($row->settings);
    $profile[] = $row;
  }
  
  if (count($profile) == 1) {
    $profile = $profile[0];
  }
  
  return $profile;
}

function elfinder_block_info() {
  // Makes it show up on /admin/build/block page.
  $blocks = array();
  $blocks[0]['info'] = t('File Manager');
  return $blocks;
}

function elfinder_block_view() {
  // Show the block.
  $block = array();
  $block['subject'] = t('File Manager');
  $block['content'] = elfinder_file_browser('backend');
  return $block;
}

/**
 * Implements hook_ckeditor_settings_alter().
 */
function elfinder_ckeditor_settings_alter(&$settings, $conf) {

  $width = variable_get('elfinder_settings_misc_manager_width', '');
  if(!$width) {
    $width = ELFINDER_POPUP_WIDTH;
  }
  $height = variable_get('elfinder_settings_misc_manager_height', '');
  if(!$height) {
    $height = ELFINDER_POPUP_HEIGHT;
  }
  $settings['js_conf']['filebrowserWindowWidth'] = $width;
  $settings['js_conf']['filebrowserWindowHeight'] = $height;
}