/** * Serves up screenshots for plugins from * admin_plugin_screenshot/<plugin_id>/<size>/<ss_name>.<ext> * * @param array $pages The pages array * @return bool * @access private */ function admin_plugin_screenshot_page_handler($pages) { // only admins can use this for security admin_gatekeeper(); $plugin_id = elgg_extract(0, $pages); // only thumbnail or full. $size = elgg_extract(1, $pages, 'thumbnail'); // the rest of the string is the filename $filename_parts = array_slice($pages, 2); $filename = implode('/', $filename_parts); $filename = sanitise_filepath($filename, false); $plugin = new ElggPlugin($plugin_id); if (!$plugin) { $file = elgg_get_root_path() . '_graphics/icons/default/medium.png'; } else { $file = $plugin->getPath() . $filename; if (!file_exists($file)) { $file = elgg_get_root_path() . '_graphics/icons/default/medium.png'; } } header("Content-type: image/jpeg"); // resize to 100x100 for thumbnails switch ($size) { case 'thumbnail': echo get_resized_image_from_existing_file($file, 100, 100, true); break; case 'full': default: echo file_get_contents($file); break; } return true; }