function agrcache_build_aggregate_cache in Aggregate cache 7

Replacement for drupal_build_css_cache() and drupal_build_js_cache().

2 calls to agrcache_build_aggregate_cache()

agrcache_aggregate_css in ./agrcache.module

Replacement for drupal_aggregate_css().

agrcache_get_js in ./agrcache.module

Replacement for drupal_get_js().

File

./agrcache.module, line 274

Provides imagecache style generation of css/js aggregates.

Code

function agrcache_build_aggregate_cache($files, $type) {
  $data = '';
  $uri = '';
  $map = agrcache_get_file_list($type);
  $key = hash('sha256', agrcache_serialize_files($files));
  if (isset($map['files'][$key])) {
    return array(
      'uri' => $map['files'][$key],
    );
  }
  else {

    // To ensure a new filenames are created only when the contents of the
    // hashed files changes, use a hash of the contents for the filename.
    $function = 'agrcache_collect_' . $type . '_group';
    $data = $function($files);
    if ($data) {

      // Prefix filename to prevent blocking by firewalls which reject files
      // starting with "ad*". Even though the file map is by the hash of files,
      // the filename must hash by both the the contents and the files array. It
      // is possible to have identical contents even if files have moved, but
      // since URLs are replaced, the resulting file should be different even if
      // the contents are the same, i.e. two different file keys pointing to the
      // same filename.
      $filename = $type . '_' . drupal_hash_base64(agrcache_serialize_files($files) . $data) . ".{$type}";

      // Create the aggregate directory within the files folder.
      $path = "public://{$type}";
      $uri = $path . '/' . $filename;
      return array(
        'key' => $key,
        'uri' => $uri,
        '#write_cache' => TRUE,
      );
    }
    else {
      return FALSE;
    }
  }
}