function _uc_file_download in Ubercart 7.3

Same name and namespace in other branches

1. 6.2 uc_file/uc_file.pages.inc \_uc_file_download()

Handles file downloading and error states.

Parameters

$fid: The fid of the file specified to download.

$key: The hash key of a user's download.

See also

_uc_file_download_validate()

1 string reference to '_uc_file_download'

uc_file_menu in uc_file/uc_file.module

Implements hook_menu().

File

uc_file/uc_file.pages.inc, line 188

File menu items.

Code

function _uc_file_download($fid) {
  global $user;

  // Error messages for various failed download states.
  $admin_message = t('Please contact the site administrator if this message has been received in error.');
  $error_messages = array(
    UC_FILE_ERROR_NOT_A_FILE => t('The file you requested does not exist.'),
    UC_FILE_ERROR_TOO_MANY_BOGUS_REQUESTS => t('You have attempted to download an incorrect file URL too many times.'),
    UC_FILE_ERROR_INVALID_DOWNLOAD => t('The following URL is not a valid download link.') . ' ',
    UC_FILE_ERROR_TOO_MANY_LOCATIONS => t('You have downloaded this file from too many different locations.'),
    UC_FILE_ERROR_TOO_MANY_DOWNLOADS => t('You have reached the download limit for this file.'),
    UC_FILE_ERROR_EXPIRED => t('This file download has expired.') . ' ',
    UC_FILE_ERROR_HOOK_ERROR => t('A hook denied your access to this file.') . ' ',
  );
  $ip = ip_address();
  if (user_access('view all downloads')) {
    $file_download = uc_file_get_by_id($fid);
  }
  else {
    $file_download = uc_file_get_by_uid($user->uid, $fid);
  }
  if (isset($file_download->filename)) {
    $file_download->full_path = uc_file_qualify_file($file_download->filename);
  }
  else {
    return MENU_ACCESS_DENIED;
  }

  // If it's ok, we push the file to the user.
  $status = UC_FILE_ERROR_OK;
  if (!user_access('view all downloads')) {
    $status = _uc_file_download_validate($file_download, $user, $ip);
  }
  if ($status == UC_FILE_ERROR_OK) {
    _uc_file_download_transfer($file_download, $ip);
  }
  else {
    drupal_set_message($error_messages[$status] . $admin_message, 'error');

    // Kick 'em to the curb. >:)
    _uc_file_download_redirect($user->uid);
  }
  drupal_exit();
}