<?
/**
 * Siteground Joomla Cache Plugin
 *
 * Flushes varnish cache when certain data change actions are invoked. Disables varnish cache
 * on SiteGround servers when users are logged in.
 *
 * @author	   George Penkov
 * @category   Siteground Joomla Plugins
 * @package    Siteground Joomla Cache Plugin
 */

defined('_JEXEC') or die();
JLoader::import('joomla.plugin.plugin');
JLoader::import('joomla.error.log');

/**
 * jSGCache Plugin
 *
 * @package	jSGCache
 * @subpackage	System
*/


class plgSystemjSGCache extends JPlugin
{
	/**
	 * JRegistry parameter object for the plugin.
	 * @var JRegistry
	 */
	public $params = null;
	/**
	 * Web path to the joomla application.
	 * @var string
	 */
	private $_applicationPath = null;
	/**
	 * Global cache flag.
	 * @var bool
	 */
	private $_cacheEnabled = false;
	/**
	 * Auto flush flag
	 * @var bool
	 */
	private $_autoflush = false;
	/**
	 * 3rd party auto flush flag
	 * @var bool
	 */
	private $_autoflush3rdParty = false;
	/**
	 * Client side auto flush flag
	 * @var bool
	 */
	private $_autoflushClientSide = false;
	/**
	 * Which tasks to ignore in the flush monitor
	 * @var array
	 */
	private static $_ignoreTasks = array('login','logout','user.login','user.logout');

	/**
	 * Constructor
	 *
     * @access public
	 * @param   object  &$subject  The object to observe
	 */
	public function __construct( &$subject )
	{
		if(isset($_GET['sgCacheCheck']) && $_GET['sgCacheCheck'] == md5('joomlaCheck'))
			die('OK');
		parent::__construct( $subject );
		$plugin = JPluginHelper::getPlugin('system','jSGCache');
		$this->params= new JRegistry();
		$this->params->loadString($plugin->params, 'JSON');

		$this->_cacheEnabled = $this->params->get('cache_enabled');
		if ($this->_cacheEnabled === null)
			$this->_cacheEnabled == 1;

		$this->_autoflush = $this->params->get('autoFlush');
		if ($this->_autoflush === null)
			$this->_autoflush = 1;
		$this->_autoflush3rdParty = $this->params->get('autoFlush-ThirdParty');
		if ($this->_autoflush3rdParty === null)
			$this->_autoflush3rdParty = 1;
		$this->_autoflushClientSide = $this->params->get('autoFlush-ClientSide');
		if ($this->_autoflushClientSide === null)
			$this->_autoflushClientSide = 0;
	}

    /**
     * Heartbeat cache checking function. Will also monitor $_GET for the jSGCache parameter
     * (pressing the purge cache button in admin)
     *
     *
     * @access public
     * @return null
     */
	public function onAfterInitialise()
	{
		if (!$this->_cacheEnabled || $this->_isBlacklisted($this->_applicationPath))
		{
			JResponse::setHeader('X-Cache-Enabled','False',true);
			return;
		}

		if ($this->_cacheEnabled)
		{
			JResponse::setHeader('X-Cache-Enabled','True',true);
		}

		//Init the application url
		$this->_applicationPath = str_replace(array('administrator/index.php','index.php'),'',str_replace($_SERVER['DOCUMENT_ROOT'],'',$_SERVER['SCRIPT_FILENAME']));

		//Check for any admin action and proceed to flushMonitor and 3rd party plugins
		if ( isset($_POST['task']) || isset($_GET['task']) || isset($_GET['cart_virtuemart_product_id']))
		{
			$this->_flushMonitor();
			if ($this->_autoflush3rdParty)
				$this->_monitorThirdPartyPlugins();
		}

 		//Check if we have a logged in user and enable cache bypass cookie 'task' => string 'user.login'
 		$user = JFactory::getUser();
 		if (!$user->guest  || (isset($_POST['task']) && preg_match('/login/i', $_POST['task'])))
 		{
 			$_POST[JSession::getFormToken()] = 1; //Force the correct token, since the login box on the page is cached with the 1st visitors' token
 			//Enable the cache bypass for logged users by setting a cache bypass cookie
 			setcookie('jSGCacheBypass',1,time() + 6000,'/');
 		}

 		if ($user->guest || (isset($_POST['task']) && $_POST['task'] == 'user.logout'))
 		{
 			//Remove the bypass cookie if not a logged user
 			if (isset($_COOKIE['jSGCacheBypass']))
 				setcookie('jSGCacheBypass',0, time() - 3600,'/');
 		}

		// Handle purge button press when get has jSGCache=purge, but only in admin with a logged user
		if(isset($_GET['jSGCache']) && $_GET['jSGCache'] == 'purge' && JFactory::getApplication()->isAdmin() && !$user->guest )
			$this->_purgeCache(true);
	}

    /**
     * Admin panel icon display
     *
     * @access public
     * @param string $context
     * @return array
     */
	public function onGetIcons( $context )
	{
		return array(array(
			'link'=>'?jSGCache=purge',
			'image'=>'header/icon-48-purge.png',
			'text'=>JText::_('Purge jSGCache'),
			'id'=>'jSGCache'
		));
	}

    /**
     * Calls the cache server to purge the cache
     *
     * @access public
     * @param string|bool $message Message to be displayed if purge is successful. If this param is false no output would be done
     * @return null
     */
	private function _purgeCache( $message = true )
	{
    	$purgeRequest = $this->_applicationPath . '(.*)';

		// Check if caching server is varnish or nginx.
		$sgcache_ip = '/etc/sgcache_ip';
		$hostname = $_SERVER['SERVER_ADDR'];
		$purge_method = "PURGE";
		if (file_exists($sgcache_ip)) {
			$hostname = trim( file_get_contents( $sgcache_ip, true ) );
			$purge_method = "BAN";
		}

		$cacheServerSocket = fsockopen($hostname, 80, $errno, $errstr, 2);

		if(!$cacheServerSocket)
		{
      		JError::raise(E_ERROR,500,JText::_('Connection to cache server failed!'));
      		JError::raise(E_ERROR,500,JText::_($errstr ($errno)));
      		return;
     	}

		$request = "$purge_method {$purgeRequest} HTTP/1.0\r\nHost: {$_SERVER['SERVER_NAME']}\r\nConnection: Close\r\n\r\n";

		if (preg_match('/^www\./',$_SERVER['SERVER_NAME']))
		{ 
			$domain_no_www = preg_replace('/^www\./', '', $_SERVER['SERVER_NAME']);
			$request2 = "$purge_method {$purgeRequest} HTTP/1.0\r\nHost: {$domain_no_www}\r\nConnection: Close\r\n\r\n";
		} 
		else
			$request2 = "$purge_method {$purgeRequest} HTTP/1.0\r\nHost: www.{$_SERVER['SERVER_NAME']}\r\nConnection: Close\r\n\r\n";

      	fwrite($cacheServerSocket, $request);
      	$response = fgets($cacheServerSocket);
      	fclose($cacheServerSocket);

		$cacheServerSocket = fsockopen($hostname, 80, $errno, $errstr, 2);
		fwrite($cacheServerSocket, $request2);
		fclose($cacheServerSocket);

		if($message !== false)
		{
  			if(preg_match('/200/',$response))
  			{
  				if ($message === true)
    					JFactory::getApplication()->enqueueMessage(JText::_('SG Cache Successfully Purged!'));
  				else
  					JFactory::getApplication()->enqueueMessage(JText::_( $message ));
  			}
 			else
 			{
    				JError::raise(E_NOTICE,501, JText::_('SG Cache: Purge was not successful!'));
    				JError::raise(E_NOTICE,501, jText::_('Error: ' . $response));
			}
		}
	}

	/**
	 * Check if url is in caching blacklist
	 *
	 * @param string $applicationPath
	 *
	 * @return bool
	 */
	private function _isBlacklisted($applicationPath)
	{
		$blacklistArray = explode("\n",$this->params->get('blacklist'));

		$blacklistRegexArray = array();
		$indexIsBlacklisted = false;
		foreach($blacklistArray as $key=>$row)
		{
			$row = trim($row);

			if ($row != '/' && $quoted = preg_quote($row,'/'))
				$blacklistRegexArray[$key] = $quoted;

			if ($row == '/')
				$indexIsBlacklisted = true;
		}

		if ($indexIsBlacklisted && $_SERVER['REQUEST_URI'] == $applicationPath)
			return true;

		if (empty($blacklistRegexArray))
			return false;

		$blacklistRegex = '/('.implode('|',$blacklistRegexArray) . ')/i';

		return preg_match($blacklistRegex, $_SERVER['REQUEST_URI']);
	}

	/**
	 * 3rd party plugin monitor
	 *
	 * @access private
	 * @return null
	 */
	private function _monitorThirdPartyPlugins()
	{
		// Kunena & K2
		if ($this->params->get('autoFlush-ThirdParty') == 1 && isset($_POST['option']) &&
			($_POST['option']=='com_k2' || $_POST['option' ]== 'com_kunena'))
		{
			$this->_purgeCache(false);
		}


		// VirtueMart
		if ( (isset($_POST['option']) && $_POST['option'] == 'com_virtuemart') || 
			( isset($_GET['option']) && $_GET['option'] == 'com_virtuemart' ) ||  
			isset($_GET['cart_virtuemart_product_id']) )
		{
			if($this->params->get('autoFlush-ThirdParty') == 1)
				$this->_purgeCache(false);
		}	
	}

	/**
	 * Action monitor
	 *
	 * @access private
	 * @return null
	 */
	private function _flushMonitor()
	{
		$user = JFactory::getUser();
    	if ((!JFactory::getApplication()->isAdmin() && !$this->_autoflushClientSide) || $user->guest)
    		return;

    	$autoflush = $this->params->get('autoFlush');
    	if ($autoflush === null)
    		$autoflush = 1;

    	if (isset($_POST['task']) && $_POST['task'] && !in_array($_POST['task'],self::$_ignoreTasks) && $autoflush == 1)
    		$this->_purgeCache(false);
	}
}
<!DOCTYPE html>
<html lang="nb-no" dir="ltr">
<head>
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<meta charset="utf-8" />
	<base href="http://gestaltsentrum.kombinasjoner.no/index.php/lenker/2-egonet-stavanger" />
	<meta name="description" content="Gestalt Sentrum" />
	<meta name="generator" content="Joomla! - Open Source Content Management" />
	<title>EGONET, Stavanger </title>
	<link href="/templates/protostar/favicon.ico" rel="shortcut icon" type="image/vnd.microsoft.icon" />
	<link href="http://gestaltsentrum.kombinasjoner.no/index.php/component/search/?Itemid=1122&amp;catid=10&amp;id=2:egonet-stavanger&amp;format=opensearch" rel="search" title="Søk Gestalt Sentrum" type="application/opensearchdescription+xml" />
	<link href="/media/system/css/modal.css?ea787d3e52960623654103bf9123628f" rel="stylesheet" />
	<link href="/media/com_attachments/css/attachments_hide.css" rel="stylesheet" />
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	<link href="https://fonts.googleapis.com/css?family=Open+Sans" rel="stylesheet" />
	<style>

	h1, h2, h3, h4, h5, h6, .site-title {
		font-family: 'Open Sans', sans-serif;
	}
	body.site {
		border-top: 3px solid #01107a;
		background-color: #1791a9;
	}
	a {
		color: #01107a;
	}
	.nav-list > .active > a,
	.nav-list > .active > a:hover,
	.dropdown-menu li > a:hover,
	.dropdown-menu .active > a,
	.dropdown-menu .active > a:hover,
	.nav-pills > .active > a,
	.nav-pills > .active > a:hover,
	.btn-primary {
		background: #01107a;
	}div.mod_search93 input[type="search"]{ width:auto; }
	</style>
	<script type="application/json" class="joomla-script-options new">{"csrf.token":"b15dbbc28da821643f710baacad06243","system.paths":{"root":"","base":""},"system.keepalive":{"interval":840000,"uri":"\/index.php\/component\/ajax\/?format=json"}}</script>
	<script src="/media/system/js/mootools-core.js?ea787d3e52960623654103bf9123628f"></script>
	<script src="/media/system/js/core.js?ea787d3e52960623654103bf9123628f"></script>
	<script src="/media/system/js/mootools-more.js?ea787d3e52960623654103bf9123628f"></script>
	<script src="/media/system/js/modal.js?ea787d3e52960623654103bf9123628f"></script>
	<script src="/media/jui/js/jquery.min.js?ea787d3e52960623654103bf9123628f"></script>
	<script src="/media/jui/js/jquery-noconflict.js?ea787d3e52960623654103bf9123628f"></script>
	<script src="/media/jui/js/jquery-migrate.min.js?ea787d3e52960623654103bf9123628f"></script>
	<script src="/media/com_attachments/js/attachments_refresh.js"></script>
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	<script src="/templates/protostar/js/template.js?ea787d3e52960623654103bf9123628f"></script>
	<!--[if lt IE 9]><script src="/media/jui/js/html5.js?ea787d3e52960623654103bf9123628f"></script><![endif]-->
	<!--[if lt IE 9]><script src="/media/system/js/polyfill.event.js?ea787d3e52960623654103bf9123628f"></script><![endif]-->
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	<!--[if lt IE 9]><script src="/media/system/js/html5fallback.js?ea787d3e52960623654103bf9123628f"></script><![endif]-->
	<script>

		jQuery(function($) {
			SqueezeBox.initialize({});
			initSqueezeBox();
			$(document).on('subform-row-add', initSqueezeBox);

			function initSqueezeBox(event, container)
			{
				SqueezeBox.assign($(container || document).find('a.modal').get(), {
					parse: 'rel'
				});
			}
		});

		window.jModalClose = function () {
			SqueezeBox.close();
		};

		// Add extra modal close functionality for tinyMCE-based editors
		document.onreadystatechange = function () {
			if (document.readyState == 'interactive' && typeof tinyMCE != 'undefined' && tinyMCE)
			{
				if (typeof window.jModalClose_no_tinyMCE === 'undefined')
				{
					window.jModalClose_no_tinyMCE = typeof(jModalClose) == 'function'  ?  jModalClose  :  false;

					jModalClose = function () {
						if (window.jModalClose_no_tinyMCE) window.jModalClose_no_tinyMCE.apply(this, arguments);
						tinyMCE.activeEditor.windowManager.close();
					};
				}

				if (typeof window.SqueezeBoxClose_no_tinyMCE === 'undefined')
				{
					if (typeof(SqueezeBox) == 'undefined')  SqueezeBox = {};
					window.SqueezeBoxClose_no_tinyMCE = typeof(SqueezeBox.close) == 'function'  ?  SqueezeBox.close  :  false;

					SqueezeBox.close = function () {
						if (window.SqueezeBoxClose_no_tinyMCE)  window.SqueezeBoxClose_no_tinyMCE.apply(this, arguments);
						tinyMCE.activeEditor.windowManager.close();
					};
				}
			}
		};
		jQuery(function($){
	$('#slide-contact').collapse({"parent": false,"toggle": false})
});jQuery(function($){ initTooltips(); $("body").on("subform-row-add", initTooltips); function initTooltips (event, container) { container = container || document;$(container).find(".hasTooltip").tooltip({"html": true,"container": "body"});} });
	</script>

</head>
<body class="site com_contact view-contact no-layout no-task itemid-1122">
	<!-- Body -->
	<div class="body" id="top">
		<div class="container">
			<!-- Header -->
			<header class="header" role="banner">
				<div class="header-inner clearfix">
					<a class="brand pull-left" href="/">
						<img src="http://gestaltsentrum.kombinasjoner.no/images/gestaltsentrum/WebLogo05.jpg" alt="Gestalt Sentrum" />											</a>
					<div class="header-search pull-right">
						<div class="search mod_search93">
	<form action="/index.php/lenker" method="post" class="form-inline" role="search">
		<label for="mod-search-searchword93" class="element-invisible">søk …</label> <input name="searchword" id="mod-search-searchword93" maxlength="200"  class="inputbox search-query input-medium" type="search" size="20" placeholder="Søk" />		<input type="hidden" name="task" value="search" />
		<input type="hidden" name="option" value="com_search" />
		<input type="hidden" name="Itemid" value="1122" />
	</form>
</div>

					</div>
				</div>
			</header>
								<div class="moduletable_menu">
							<h3>Hovedmeny</h3>
						<ul class="nav menu nav-pills mod-list">
<li class="item-1108 default"><a href="/index.php" >Hovedside</a></li><li class="item-1109 parent"><a href="/index.php/vare-tilbud" >Våre Tilbud</a></li><li class="item-1110"><a href="/index.php/om-oss" >Om Oss</a></li><li class="item-1111"><a href="/index.php/om-gestaltterapi" >Om Gestaltterapi</a></li><li class="item-1117"><a href="/index.php/publikasjoner" >Publikasjoner</a></li><li class="item-1121"><a href="/index.php/kontakt" >Kontakt</a></li><li class="item-1122 current active"><a href="/index.php/lenker" >Lenker</a></li></ul>
		</div>
			<div class="moduletable">
							<h3>Stikkord</h3>
						<div aria-label="Stikkord" role="navigation">
	<ul itemscope itemtype="https://schema.org/BreadcrumbList" class="breadcrumb">
					<li>
				Du er her: &#160;
			</li>
		
						<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
											<a itemprop="item" href="/index.php" class="pathway"><span itemprop="name">Hovedside</span></a>
					
											<span class="divider">
							&gt;						</span>
										<meta itemprop="position" content="1">
				</li>
							<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
											<a itemprop="item" href="/index.php/lenker" class="pathway"><span itemprop="name">Lenker</span></a>
					
											<span class="divider">
							&gt;						</span>
										<meta itemprop="position" content="2">
				</li>
							<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem" class="active">
					<span itemprop="name">
						EGONET, Stavanger 					</span>
					<meta itemprop="position" content="3">
				</li>
				</ul>
</div>
		</div>
	
			<div class="row-fluid">
								<main id="content" role="main" class="span9">
					<!-- Begin Content -->
					
					<div id="system-message-container">
	</div>

					
<div class="contact" itemscope itemtype="https://schema.org/Person">
	
			<div class="page-header">
			<h2>
								<span class="contact-name" itemprop="name">EGONET, Stavanger </span>
			</h2>
		</div>
	
	
						<div id="slide-contact" class="accordion">						<div class="accordion-group"><div class="accordion-heading"><strong><a href="#basic-details" data-toggle="collapse" class="accordion-toggle">Kontakt</a></strong></div><div class="accordion-body collapse in" id="basic-details"><div class="accordion-inner">		
		
		
		<dl class="contact-address dl-horizontal" itemprop="address" itemscope itemtype="https://schema.org/PostalAddress">
	

	<dt>
		<span class="jicons-icons">
			 		</span>
	</dt>
	<dd>
		<span class="contact-webpage">
			<a href="http://www.egonet.no" target="_blank" rel="noopener noreferrer" itemprop="url">
			http://www.egonet.no</a>
		</span>
	</dd>
</dl>

		
					</div></div></div>			
	
	
			</div>	
	</div>

					<div class="clearfix"></div>
					
					<!-- End Content -->
				</main>
									<div id="aside" class="span3">
						<!-- Begin Right Sidebar -->
						<div class="well "><h3 class="page-header">Logg på</h3><form action="/index.php/lenker" method="post" id="login-form" class="form-inline">
		<div class="userdata">
		<div id="form-login-username" class="control-group">
			<div class="controls">
									<div class="input-prepend">
						<span class="add-on">
							<span class="icon-user hasTooltip" title="Brukernavn"></span>
							<label for="modlgn-username" class="element-invisible">Brukernavn</label>
						</span>
						<input id="modlgn-username" type="text" name="username" class="input-small" tabindex="0" size="18" placeholder="Brukernavn" />
					</div>
							</div>
		</div>
		<div id="form-login-password" class="control-group">
			<div class="controls">
									<div class="input-prepend">
						<span class="add-on">
							<span class="icon-lock hasTooltip" title="Passord">
							</span>
								<label for="modlgn-passwd" class="element-invisible">Passord							</label>
						</span>
						<input id="modlgn-passwd" type="password" name="password" class="input-small" tabindex="0" size="18" placeholder="Passord" />
					</div>
							</div>
		</div>
						<div id="form-login-remember" class="control-group checkbox">
			<label for="modlgn-remember" class="control-label">Husk meg</label> <input id="modlgn-remember" type="checkbox" name="remember" class="inputbox" value="yes"/>
		</div>
				<div id="form-login-submit" class="control-group">
			<div class="controls">
				<button type="submit" tabindex="0" name="Submit" class="btn btn-primary login-button">Logg inn</button>
			</div>
		</div>
					<ul class="unstyled">
							<li>
					<a href="/index.php/component/users/?view=remind&amp;Itemid=1108">
					Glemt ditt brukernavn?</a>
				</li>
				<li>
					<a href="/index.php/component/users/?view=reset&amp;Itemid=1108">
					Glemt ditt passord?</a>
				</li>
			</ul>
		<input type="hidden" name="option" value="com_users" />
		<input type="hidden" name="task" value="user.login" />
		<input type="hidden" name="return" value="aHR0cDovL2dlc3RhbHRzZW50cnVtLmtvbWJpbmFzam9uZXIubm8vaW5kZXgucGhwL2xlbmtlci8yLWVnb25ldC1zdGF2YW5nZXI=" />
		<input type="hidden" name="b15dbbc28da821643f710baacad06243" value="1" />	</div>
	</form>
</div>
						<!-- End Right Sidebar -->
					</div>
							</div>
		</div>
	</div>
	<!-- Footer -->
	<footer class="footer" role="contentinfo">
		<div class="container">
			<hr />
			

<div class="custom"  >
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			<p class="pull-right">
				<a href="#top" id="back-top">
					Til toppen				</a>
			</p>
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</body>
</html>