function webfm_send_file in Web File Manager 5.2

Same name and namespace in other branches

1. 5 webfm.module \webfm_send_file()

webfm_send_file - streams a file privately for download

If $fid arg is numeric then file path is referenced via db, otherwise the arg .. is a base 64 encoded path that must be concatenated to base file dir

Parameters

object $fid - file id:

bool $attach - 1 = attach / 0 = inline:

1 string reference to 'webfm_send_file'

webfm_menu in ./webfm.module

Implementation of hook_menu().

File

./webfm.module, line 1751

Code

function webfm_send_file($fid, $attach = false) {
  if (is_numeric($fid)) {
    if (($f = webfm_get_file_record($fid)) === FALSE) {
      print theme('page', "");
      return;
    }
  }
  else {
    $f = new stdClass();
    $f->fpath = file_directory_path() . base64_decode($fid);
    if (!is_file($f->fpath)) {
      print theme('page', "");
      return;
    }
  }
  $name = basename($f->fpath);

  //filenames in IE containing dots will screw up the

  //filename unless we add this
  if (strstr($_SERVER['HTTP_USER_AGENT'], "MSIE")) {
    $name = preg_replace('/\\./', '%2e', $name, substr_count($name, '.') - 1);
  }

  // Get file extension
  $ext = explode('.', $name);
  $extension = $ext[count($ext) - 1];

  // Try and find appropriate type
  switch (strtolower($extension)) {
    case 'txt':
      $type = 'text/plain';
      break;
    case "pdf":
      $type = 'application/pdf';
      break;
    case "exe":
      $type = 'application/octet-stream';
      break;
    case "zip":
      $type = 'application/zip';
      break;
    case "doc":
      $type = 'application/msword';
      break;
    case "xls":
      $type = 'application/vnd.ms-excel';
      break;
    case "ppt":
      $type = 'application/vnd.ms-powerpoint';
      break;
    case "gif":
      $type = 'image/gif';
      break;
    case "png":
      $type = 'image/png';
      break;
    case "jpg":
      $type = 'image/jpeg';
      break;
    case "jpeg":
      $type = 'image/jpeg';
      break;
    case "html":
      $type = 'text/html';
      break;
    default:
      $type = 'application/force-download';
  }

  //download headers:
  $header = array();
  if ($attach === '1') {

    // prompt for download file or view
    $header[] = 'Pragma: no-cache';
    $header[] = 'Cache-Control: no-cache, must-revalidate';
    $header[] = 'Content-Disposition: attachment; filename="' . $name . '";';
  }
  else {

    // view file via browser
    $header[] = 'Pragma: public';

    // required
    $header[] = 'Expires: 0';
    $header[] = 'Cache-Control: must-revalidate, post-check=0, pre-check=0';
    $header[] = 'Content-Transfer-Encoding: binary';
    $header[] = 'Content-Disposition: inline; filename="' . $name . '";';
  }
  $header[] = 'Content-Type: ' . $type;
  $header[] = 'Content-Length: ' . (string) filesize($f->fpath);
  $header[] = 'Connection: close';

  //drupal file_transfer will fail if file is not inside file system directory
  file_transfer($f->fpath, $header);
}