webfm_file.inc in Web File Manager 5

File

webfm_file.inc

<?php

/**
 * webfm_mkdir -called from the ajax action - switch case 'mkdir':
 *
 * @param string $source - the source directory path
 * @param string $dest - the destination directory name
 *
 * @ret string   -name of directory if created
 *      FALSE    -if unsuccessful
 */
function webfm_mkdir($source, $dest, $rename = FALSE, &$error) {
  $mkdir_path = $source . '/' . $dest;
  if (!is_dir($mkdir_path)) {
    if (@mkdir($mkdir_path)) {
      chmod($mkdir_path, 0775);
      if (!is_writable($mkdir_path)) {
        $error = t('The directory ') . $mkdir_path . t(' is not writable');
      }
      else {
        return $mkdir_path;
      }
    }
  }
  else {
    if ($rename == TRUE) {
      $count = 0;
      while (is_dir($munge_path = $mkdir_path . '_' . $count)) {
        $count++;
      }
      if (@mkdir($munge_path)) {
        chmod($munge_path, 0775);
        if (!is_writable($munge_path)) {
          $error = t('The directory ') . $munge_path . t(' is not writable');
        }
        else {
          return $munge_path;
        }
      }
      else {
        $error = t('mkdir for ') . $munge_path . t(' failed');
      }
    }
    else {
      $error = t('The directory ') . $mkdir_path . t(' already exists');
    }
  }
  return FALSE;
}

/**
 * webfm_rename -called from the ajax action - switch case 'rename':
 *
 * @param string  $source - the source directory path
 * @param string  $dest - the destination directory name
 * @param bool    $uid - user id
 * @param string &$err_arr - ref to error array for client feedback
 *
 * @ret   bool   -true if the directory/file is renamed and file record(s)
 *                updated if dir/file under db control
 */
function webfm_rename($source, $dest, $uid, &$err_arr) {
  $dest_temp = $dest . '~';

  //handle possible case problem

  //File

  //if target is a file and new name isn't already used...
  if (is_file($source) && !is_file($dest)) {
    $file_o = webfm_get_file_record('', $source);

    //if we are admin or owner of target file...
    if ($uid == 1 || $file_o && $uid == $file_o->uid || $file_o && webfm_file_mod_access($file_o)) {

      //check validity of new file name
      $file = new stdClass();
      $file->filename = basename($dest);
      $file->filepath = $source;
      $file->filesize = 0;

      //avoid fail for size - we're interested in extensions
      if (webfm_enum_validate($file, $err_arr) === FALSE) {

        //illegal file extension
        $err_arr[] = t('Invalid name');
        return FALSE;
      }

      //if file is not read-only...rename
      if (@rename($source, $dest_temp)) {
        if (!@rename($dest_temp, $dest)) {
          @rename($dest_temp, $source);
          $err_arr[] = t('rename ') . basename($source) . t(' fail');
          return FALSE;
        }
      }
      else {
        $err_arr[] = basename($source) . t(' read-only');
        return FALSE;
      }
    }
    else {
      $err_arr[] = t('permission denied');
      return FALSE;
    }
    return webfm_rename_db_file($source, $dest, $err_arr);
  }
  else {
    if (is_dir($source) && !is_dir($dest) && $uid == 1) {

      //if the target isn't read-only
      if (@rename($source, $dest_temp)) {

        //directory rename is OK, back out, rename db files and rename dir again
        @rename($dest_temp, $source);
        if (webfm_rename_db_dir_recur($source, $dest, TRUE, $err_arr)) {
          @rename($source, $dest_temp);
          @rename($dest_temp, $dest);
        }
        else {
          $err_arr[] = t('webfm_rename_db_dir_recur error - db may be corrupted');
          drupal_set_message(t('webfm_rename_db_dir_recur error - db may be corrupted'), error);
          return FALSE;
        }
        return TRUE;
      }
      else {
        $err_arr[] = $source . ' read-only';
        return FALSE;
      }
    }
  }
  $err_arr[] = 'rename ' . array_pop(explode('/', $source)) . ' to ' . array_pop(explode('/', $dest)) . ' fail';
  return FALSE;
}
function webfm_rename_db_file($source, $dest, &$err_arr) {
  if ($fid = webfm_get_fid($source)) {
    if (!webfm_dbupdate_file($fid, $dest)) {
      $err_arr[] = t('webfm_dbupdate_file error - fid: ') . $fid;
      return FALSE;
    }
  }
  return TRUE;
}
function webfm_rename_db_dir_recur($source, $dest, $ret, &$err_arr) {
  if ($handle = opendir($source)) {
    while (($file = readdir($handle)) !== FALSE) {
      if ($file != '.' && $file != '..') {
        $source_item = $source . '/' . $file;
        $dest_item = $dest . '/' . $file;
        if (is_file($source_item)) {
          if (!webfm_rename_db_file($source_item, $dest_item, $err_arr)) {
            $ret = FALSE;
          }
        }
        elseif (is_dir($source_item)) {
          $ret = webfm_rename_db_dir_recur($source_item, $dest_item, $ret, $err_arr);
        }
      }
    }
    closedir($handle);
  }
  return $ret;
}

/**
 * webfm_delete_dir_recur - called from the ajax action - switch case 'delete':
 *
 * @param string $source - the source directory path
 * @param bool   $ret - return value seed
 * @param string &$err_arr - ref to error array for client feedback
 *
 * @ret   bool   -true if the directory or file is deleted and all file records updated
 */
function webfm_delete_dir_recur($source, $ret, &$err_arr) {
  if ($handle = opendir($source)) {
    while (($file = readdir($handle)) !== FALSE) {
      if ($file != '.' && $file != '..') {
        $source_item = $source . '/' . $file;
        if (is_file($source_item)) {
          if (!webfm_delete_file($source_item, $error)) {
            $err_arr[] = $error;
            $ret = FALSE;
          }
        }
        elseif (is_dir($source_item)) {
          webfm_delete_dir_recur($source_item, $ret, $err_arr);
        }
      }
    }
    closedir($handle);
  }
  else {
    $err_arr[] = t('Unable to opendir ') . $source;
    return FALSE;
  }
  if (($retn = rmdir($source)) == FALSE) {
    $err_arr[] = t('Unable to rmdir ') . $source;
  }
  return $retn == TRUE && $ret == TRUE;
}
function webfm_delete_file($source, &$error) {
  $file = webfm_get_file_record('', $source);
  if (@unlink($source)) {
    if ($file && !webfm_dbdelete_file($file->fid)) {
      $error = t('webfm_dbdelete_file() fail for ') . $source;
      return FALSE;
    }
  }
  else {
    if (file_exists($source)) {
      $error = $source . t(' could not be deleted');
      return FALSE;
    }
  }
  return TRUE;
}

/**
 * Move a directory or file and update database
 *
 * @param string  $source - the source directory path
 * @param string  $dest - the destination directory name
 * @param bool    $uid - uid of user making move request
 * @param string &$err_arr - ref to error array for client feedback
 *
 * @ret   bool   -true if any directory change (used to switch client cache)
 *
 */
function webfm_move($source, $dest, $uid, &$err_arr) {
  $dest .= '/' . strrev(substr(strrev($source), 0, strpos(strrev($source), '/')));
  return webfm_rename($source, $dest, $uid, $err_arr);
}

/**
 * webfm_insert_file - inserts a file into the webfm_file table
 *
 * @param string  $path - path relative to drupal root
 * @param string &$err_arr - ref to error array for client feedback
 *
 * @return bool - TRUE if query executed successfully, otherwise FALSE
 */
function webfm_insert_file($path, &$err_arr) {
  if (!webfm_get_fid($path)) {
    $file = new stdClass();
    $file->filepath = $path;
    if (webfm_enum_validate($file, $err_arr)) {
      if (($ret = webfm_dbinsert_file($file, $err)) === FALSE) {
        $err_arr[] = $err;
      }
      return $ret;
    }
  }
  else {
    $err_arr[] = $path . t(' already in db');
  }
  return FALSE;
}

/**
 * webfm_insert_dir - inserts files into the webfm_file table
 *
 * @param string  $path - path relative to drupal root
 * @param bool    $recur - flag to indicate if recursive operation into sub-dirs
 * @param string &$err_arr - ref to error array for client feedback
 *
 * @return obj - contains error flag and count of successful and failed inserts
 */
function webfm_insert_dir($path, $recur, &$err_arr) {
  $result = new stdClass();
  $result->cnt = 0;
  $result->errcnt = 0;
  if ($handle = opendir($path)) {
    $bl = array(
      '.',
      '..',
      '.svn',
      '.htaccess',
    );
    while (false !== ($file = readdir($handle))) {
      if (!in_array(strtolower($file), $bl)) {
        $file_path = $path . '/' . $file;
        if (is_file($file_path)) {

          // file
          if (webfm_insert_file($file_path, $err_arr)) {
            $result->cnt++;
          }
          else {
            $result->errcnt++;
          }
        }
        else {
          if ($recur && is_dir($file_path)) {
            $nest_result = webfm_insert_dir($file_path, $recur, $err_arr);
            $result->cnt += $nest_result->cnt;
            $result->errcnt += $nest_result->errcnt;
          }
        }
      }
    }
    closedir($handle);
  }
  else {
    $err_arr[] = t('Cannot open dir ') . $path;
  }
  return $result;
}

Functions

Name	Description
webfm_delete_dir_recur	webfm_delete_dir_recur - called from the ajax action - switch case 'delete':
webfm_delete_file
webfm_insert_dir	webfm_insert_dir - inserts files into the webfm_file table
webfm_insert_file	webfm_insert_file - inserts a file into the webfm_file table
webfm_mkdir	webfm_mkdir -called from the ajax action - switch case 'mkdir':
webfm_move	Move a directory or file and update database
webfm_rename	webfm_rename -called from the ajax action - switch case 'rename':
webfm_rename_db_dir_recur
webfm_rename_db_file