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root / drupal7 / sites / all / modules / media / media.media.inc @ 1f623f01

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<?php
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/**
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 * @file
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 * Media module integration for the Media module.
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 */
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/**
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 * Implements hook_media_browser_plugin_info().
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 */
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function media_media_browser_plugin_info() {
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  $info['upload'] = array(
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    'title' => t('Upload'),
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    'weight' => -10,
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    'class' => 'MediaBrowserUpload',
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  );
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  // Add a plugin for each View display using the 'media_browser' display type.
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  $view_weight = 10;
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  foreach (views_get_enabled_views() as $view) {
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    foreach ($view->display as $display) {
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      if ($display->display_plugin == 'media_browser') {
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        $title = $display->display_title;
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        if (!empty($display->display_options['title'])) {
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          $title = $display->display_options['title'];
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        }
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        $info["{$view->name}--{$display->id}"] = array(
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          'title' => $title,
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          // @TODO make this configurable.
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          'weight' => $view_weight++,
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          'class' => 'MediaBrowserView',
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          'view_name' => $view->name,
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          'view_display_id' => $display->id,
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        );
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      }
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    }
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  }
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  return $info;
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}
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/**
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 * Implements hook_query_TAG_alter().
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 *
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 * @todo: Potentially move this into media.module in a future version of Media.
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 */
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function media_query_media_browser_alter($query) {
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  // Ensure that the query is against the file_managed table.
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  $tables = $query->getTables();
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  if (empty($tables['file_managed'])) {
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    throw new Exception(t('Media browser being queried without the file_managed table.'));
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  }
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  $alias = $tables['file_managed']['alias'];
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  // How do we validate these?  I don't know.
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  // I think PDO should protect them, but I'm not 100% certain.
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  $params = media_get_browser_params();
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  // Gather any file restrictions.
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  $types = !empty($params['types']) ? $params['types'] : array();
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  $schemes = !empty($params['schemes']) ? $params['schemes'] : array();
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  $extensions = !empty($params['file_extensions']) ? explode(' ', $params['file_extensions']) : array();
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  $or = db_or();
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  // Filter out files with restricted types.
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  if (!empty($types)) {
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    $query->condition($alias . '.type', $types, 'IN');
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  }
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  // Filter out files with restricted schemes.
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  if (!empty($schemes)) {
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    $local_or = db_or();
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    $local_and = db_and();
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    // Gather all of the local stream wrappers.
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    $local_stream_wrappers = media_get_local_stream_wrappers();
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    foreach ($schemes as $scheme) {
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      // Only local files have extensions.
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      // Filter out files with restricted extensions.
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      if (!empty($extensions) && isset($local_stream_wrappers[$scheme])) {
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        $mimetypes = array();
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        foreach ($extensions as $extension) {
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          $mimetype = media_get_extension_mimetype($extension);
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          if ($mimetype) {
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            $mimetypes[] = $mimetype;
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          }
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        }
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        $local_and->condition($alias . '.uri', db_like($scheme . '://') . '%', 'LIKE');
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        if (count($mimetypes)) {
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          $local_and->condition($alias . '.filemime', $mimetypes, 'IN');
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        }
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        $local_or->condition($local_and);
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        $local_and = db_and();
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      }
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      else {
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        $local_or->condition($alias . '.uri', db_like($scheme . '://') . '%', 'LIKE');
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      }
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    }
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    $or->condition($local_or);
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  }
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  if ($or->count()) {
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    $query->condition($or);
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  }
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}