function file_aliases_load_fid in File Aliases 7

Same name and namespace in other branches

1. 5 file_aliases.module \file_aliases_load_fid()
2. 6 file_aliases.module \file_aliases_load_fid()

Menu callback; File Alias callback.

Parameters

$fid:

1 string reference to 'file_aliases_load_fid'

file_aliases_menu in ./file_aliases.module

Implements hook_menu().

File

./file_aliases.module, line 109

Contains core functions for the File Aliases module.

Code

function file_aliases_load_fid($fid) {
  if (request_uri() == base_path() . "file_aliases/{$fid}") {
    drupal_not_found();
    exit;
  }

  /** @var DatabaseStatementBase $query */
  $query = db_select('file_managed', 'f')
    ->fields('f', array(
    'filemime',
    'filesize',
    'uri',
  ))
    ->condition('fid', $fid)
    ->execute();
  $results = $query
    ->fetchAll();
  $result = current($results);
  if (!$result) {
    return;
  }

  // Render Image Style preset if applicable.
  $uri = explode('?', request_uri());
  if (isset($uri[1]) && strpos($result->filemime, 'image') === 0) {
    if (defined('IMAGE_DERIVATIVE_TOKEN')) {
      list($uri[1], ) = explode('&', $uri[1]);
    }
    $image_style = $uri[1];
    $styles = image_styles();
    if (isset($styles[$image_style])) {
      $arguments = array_merge(array(
        image_style_load($image_style),
        file_uri_scheme($result->uri),
      ), explode('/', str_replace(file_uri_scheme($result->uri) . '://', '', $result->uri)));
      call_user_func_array('image_style_deliver', $arguments);
    }
  }
  if (!$result || !is_object($result)) {
    return;
  }
  elseif (file_uri_scheme($result->uri) == 'private') {
    $file = explode('://', $result->uri);
    file_download($file[0], $file[1]);
  }
  else {
    drupal_add_http_header('Cache-Control', 'public');
    drupal_add_http_header('Content-Length', $result->filesize);
    drupal_add_http_header('Content-Type', $result->filemime);
    readfile($result->uri);
  }
}