56 lines
1.7 KiB
PHP
56 lines
1.7 KiB
PHP
<?php
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use dokuwiki\Extension\EventHandler;
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use dokuwiki\Extension\Event;
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/**
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* Action Component for the Monitor Plugin
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*
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* @license GPL 3 (http://www.gnu.org/licenses/gpl.html)
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* @author Sascha Leib <sascha.leib(at)kolmio.com>
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*/
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class action_plugin_monitor extends DokuWiki_Action_Plugin {
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/**
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* Registers a callback functions
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*
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* @param EventHandler $controller DokuWiki's event controller object
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* @return void
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*/
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public function register(EventHandler $controller) {
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$controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, 'insertHeader');
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}
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/**
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* Inserts tracking code to the page header
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*
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* @param Event $event event object by reference
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* @return void
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*/
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public function insertHeader(Event $event, $param) {
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global $INFO;
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// is there a user logged in?
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$username = ( !empty($INFO['userinfo']) && !empty($INFO['userinfo']['name'])
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? $INFO['userinfo']['name'] : null);
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// build the tracker code:
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$code = NL . DOKU_TAB . "document._monitor = {'t0': Date.now()};" . NL;
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if ($username) {
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$code .= DOKU_TAB . 'document._monitor.user = "' . $username . '";'. NL;
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}
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$code .= DOKU_TAB . "addEventListener('load',function(){" . NL;
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$code .= DOKU_TAB . DOKU_TAB . "const e=document.createElement('script');" . NL;
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$code .= DOKU_TAB . DOKU_TAB . "e.async=true;e.defer=true;" . NL;
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$code .= DOKU_TAB . DOKU_TAB . "e.src='".DOKU_BASE."lib/plugins/monitor/client.js';" . NL;
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$code .= DOKU_TAB . DOKU_TAB . "document.getElementsByTagName('head')[0].appendChild(e);" . NL;
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$code .= DOKU_TAB . "});" . NL;
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$event->data['script'][] = [
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'_data' => $code
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];
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}
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} |