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<?php
/**
* @file plugins/generic/usageStats/UsageStatsHandler.inc.php
*
* Copyright (c) 2013-2019 Simon Fraser University
* Copyright (c) 2003-2019 John Willinsky
* Distributed under the GNU GPL v2. For full terms see the file docs/COPYING.
*
* @class UsageStatsHandler
* @ingroup plugins_generic_usageStatus
*
* @brief Handle usage stats page requests (opt-out, privacy information)
*/
import('classes.handler.Handler');
class UsageStatsHandler extends Handler {
/**
* Constructor
*/
function UsageStatsHandler() {
parent::Handler();
}
//
// Public operations
//
/**
* Show a page with privacy information and an
* opt-out option.
*
* @param $args array
* @param $request Request
*/
function privacyInformation($args, $request) {
$this->validate(null, $request);
// Check whether this is an opt-out request.
if ($request->isPost()) {
if ($request->getUserVar('opt-out')) {
// Set a cookie that is valid for one year.
$request->setCookieVar('usageStats-opt-out', true, time() + 60*60*24*365);
}
if ($request->getUserVar('opt-in')) {
// Delete the opt-out cookie.
$request->setCookieVar('usageStats-opt-out', false, time() - 60*60);
}
}
$router = $request->getRouter(); /* @var $router PageRouter */
$privacyStatementUrl = $router->url($request, null, 'about', 'submissions', null, null, 'privacyStatement');
// Display the privacy info page.
$this->setupTemplate($request);
$plugin = $this->_getPlugin();
$templateMgr = TemplateManager::getManager($request);
$templateMgr->assign('pageTitle', 'plugins.generic.usageStats.optout.title');
$templateMgr->assign('usageStatsDisplayPrivacyInfo', true);
$templateMgr->assign('hasOptedOut', ($request->getCookieVar('usageStats-opt-out') ? true : false));
$templateMgr->assign('privacyStatementUrl', $privacyStatementUrl);
$templateMgr->display($plugin->getTemplatePath().'privacyInformation.tpl');
}
//
// Private helper methods
//
/**
* Get the Usage Stats plugin object
* @return UsageStatsPlugin
*/
function &_getPlugin() {
$plugin =& PluginRegistry::getPlugin('generic', USAGESTATS_PLUGIN_NAME);
return $plugin;
}
}
?>