JezK

Edit File: UsageStatsHandler.inc.php

<?php

/**
 * @file plugins/generic/usageStats/UsageStatsHandler.inc.php
 *
 * Copyright (c) 2013-2020 Simon Fraser University
 * Copyright (c) 2003-2020 John Willinsky
 * Distributed under the GNU GPL v3. 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 {

//
	// 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);
			}
		}

$privacyStatementUrl = $request->getDispatcher()->url(
			$request,
			ROUTE_PAGE,
			$request->getContext()->getPath(),
			'about',
			'privacy'
		);

// 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->assign('applicationName', Application::getName(9));
		$templateMgr->display($plugin->getTemplateResource('privacyInformation.tpl'));
	}

//
	// Private helper methods
	//
	/**
	 * Get the Usage Stats plugin object
	 * @return UsageStatsPlugin
	 */
	function _getPlugin() {
		return PluginRegistry::getPlugin('generic', USAGESTATS_PLUGIN_NAME);
	}
}

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