core/Zotlabs/Daemon/Thumbnail.php

<?php /** @file */

namespace Zotlabs\Daemon;

use Zotlabs\Lib\Config;

class Thumbnail {

	static public function run($argc, $argv) {

		if (!$argc == 2)
			return;

		$c = q("select * from attach where hash = '%s' ",
			dbesc($argv[1])
		);

		if (!$c)
			return;

		$attach = $c[0];

		$preview_style  = intval(Config::Get('system', 'thumbnail_security', 0));
		$preview_width  = intval(Config::Get('system', 'thumbnail_width', 300));
		$preview_height = intval(Config::Get('system', 'thumbnail_height', 300));

		$p = [
			'attach'         => $attach,
			'preview_style'  => $preview_style,
			'preview_width'  => $preview_width,
			'preview_height' => $preview_height,
			'thumbnail'      => null
		];

		/**
		 * @hooks thumbnail
		 *  * \e array \b attach
		 *  * \e int \b preview_style
		 *  * \e int \b preview_width
		 *  * \e int \b preview_height
		 *  * \e string \b thumbnail
		 */

		call_hooks('thumbnail', $p);
		if ($p['thumbnail']) {
			return;
		}

		$default_controller = null;

		$files = glob('Zotlabs/Thumbs/*.php');
		if ($files) {
			foreach ($files as $f) {
				$clsname = '\\Zotlabs\\Thumbs\\' . ucfirst(basename($f, '.php'));
				if (class_exists($clsname)) {
					$x = new $clsname();
					if (method_exists($x, 'Match')) {
						$matched = $x->Match($attach['filetype']);
						if ($matched) {
							$x->Thumb($attach, $preview_style, $preview_width, $preview_height);
						}
					}
					if (method_exists($x, 'MatchDefault')) {
						$default_matched = $x->MatchDefault(substr($attach['filetype'], 0, strpos($attach['filetype'], '/')));
						if ($default_matched) {
							$default_controller = $x;
						}
					}
				}
			}
		}
		if (($default_controller)
			&& ((!file_exists(dbunescbin($attach['content']) . '.thumb'))
				|| (filectime(dbunescbin($attach['content']) . 'thumb') < (time() - 60)))) {
			$default_controller->Thumb($attach, $preview_style, $preview_width, $preview_height);
		}

		return;
	}
}