mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-22 14:41:29 +01:00
124 lines
2.7 KiB
PHP
124 lines
2.7 KiB
PHP
<?php
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/*
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* Egroupware
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Nathan Gray
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* @version $Id$
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*/
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const CACHE_TIME = 3600;
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//Set all necessary info and fire up egroupware
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$GLOBALS['egw_info']['flags'] = array(
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'currentapp' => 'etemplate',
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'noheader' => true,
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'nonavbar' => true
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);
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include ('../header.inc.php');
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if (!ajaxtoJSON($_GET['name']))
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{
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header('404 Not found');
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http_response_code(404);
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}
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/**
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* Gets the specified template XML file converted to JSON representation
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*
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* @param String $name
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* @return JSON
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*/
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function ajaxtoJSON($name)
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{
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if(!$name)
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{
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$name = get_var('name');
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}
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$filename = etemplate_widget_template::rel2path(etemplate_widget_template::relPath($name));
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// Bad template name
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if(trim($filename) == '')
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{
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return false;
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}
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$mtime = filemtime($filename);
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// First, check cache
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$cached = egw_cache::getInstance('etemplate', $name);
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// Not found, or modified
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if(!$cached || !is_array($cached) || is_array($cached) && $cached['mtime'] != $mtime)
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{
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// Load XML & parse into JSON
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$reader = simplexml_load_file($filename);
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$template = json_encode(nodeToArray($reader));
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$cached = array(
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'template' => $template,
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'mtime' => $mtime
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);
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}
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else if ($cached);
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{
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$template = $cached['template'];
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}
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if($cached)
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{
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// Keep in instance cache so we don't have to regenerate it
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egw_cache::setInstance('etemplate', $name, $cached, CACHE_TIME);
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}
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else
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{
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return false;
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}
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// Should set some headers so the browser can cache it too
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header('Cache-Control: public, max-age='.CACHE_TIME);
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header('Expires: ' . gmdate('D, d M Y H:i:s', time()+CACHE_TIME) . ' GMT');
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header('Content-type: application/json');
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header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $mtime));
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header('Content-Length: ' . mb_strlen($template));
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echo $template;
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return true;
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}
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function nodeToArray($xmlnode, &$jsnode = false)
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{
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if(!($xmlnode instanceof SimpleXMLElement) && trim($xmlnode))
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{
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$jsnode['content'] = $xmlnode;
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return;
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}
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$nodename = $xmlnode->getName();
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$node =& $jsnode ? $jsnode : array();
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$node['tag'] = strtolower($nodename);
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$node['attributes'] = array();
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if (count($xmlnode->attributes()) > 0)
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{
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$node["attributes"] = array();
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foreach($xmlnode->attributes() as $key => $value)
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{
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$node["attributes"][$key] = (string)$value;
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}
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}
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if(trim($xmlnode->__toString()) != '')
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{
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$node['content'] = $xmlnode->__toString();
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}
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// Load children
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$child_index = 0;
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foreach ($xmlnode->children() as $childxmlnode)
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{
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$node['children'][$child_index] = array('tag' => $childxmlnode->getName());
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nodeToArray($childxmlnode, $node['children'][$child_index++]);
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}
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return $node;
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}
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