function tmgmt_file_file_download in Translation Management Tool 7

Same name and namespace in other branches

1. 8 translators/tmgmt_file/tmgmt_file.module \tmgmt_file_file_download()

Implements hook_file_download().

File

translators/file/tmgmt_file.module, line 162

Module file of the translation management test module.

Code

function tmgmt_file_file_download($uri) {

  // Get the file record based on the URI. If not in the database just return.
  $files = file_load_multiple(array(), array(
    'uri' => $uri,
  ));
  if (count($files)) {
    foreach ($files as $item) {

      // Since some database servers sometimes use a case-insensitive comparison
      // by default, double check that the filename is an exact match.
      if ($item->uri === $uri) {
        $file = $item;
        break;
      }
    }
  }
  if (!isset($file)) {
    return;
  }

  // Check if this file belongs to a job.
  $usage_list = file_usage_list($file);
  if (!isset($usage_list['tmgmt_file']['tmgmt_job'])) {
    return;
  }
  foreach (tmgmt_job_load_multiple(array_keys($usage_list['tmgmt_file']['tmgmt_job'])) as $job) {
    if (tmgmt_job_access('view', $job)) {

      // Access is granted.
      $headers = file_get_content_headers($file);
      return $headers;
    }
  }

  // Returning nothing means access denied unless another module specifically
  // grants access.
}