add piwik installation

www/analytics/core/Tracker/ActionClickUrl.php

@@ -0,0 +1,63 @@
+<?php
+/**
+ * Piwik - Open source web analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+
+namespace Piwik\Tracker;
+
+use Piwik\Common;
+use Piwik\Tracker;
+
+/**
+ * This class represents a download or an outlink.
+ * This is a particular type of Action: it has no 'name'
+ *
+ */
+class ActionClickUrl extends Action
+{
+    function __construct($type, $url, Request $request)
+    {
+        parent::__construct($type, $request);
+        $this->setActionUrl($url);
+    }
+
+    protected function getActionsToLookup()
+    {
+        return array(
+            // Note: we do not normalize download/oulink URL
+            'idaction_url' => array($this->getActionUrl(), $this->getActionType())
+        );
+    }
+
+    function writeDebugInfo()
+    {
+        parent::writeDebugInfo();
+
+        if (self::detectActionIsOutlinkOnAliasHost($this, $this->request->getIdSite())) {
+            Common::printDebug("INFO: The outlink URL host is one of the known host for this website. ");
+        }
+    }
+
+    /**
+     * Detect whether action is an outlink given host aliases
+     *
+     * @param Action $action
+     * @return bool true if the outlink the visitor clicked on points to one of the known hosts for this website
+     */
+    public static function detectActionIsOutlinkOnAliasHost(Action $action, $idSite)
+    {
+        if ($action->getActionType() != Action::TYPE_OUTLINK) {
+            return false;
+        }
+        $decodedActionUrl = $action->getActionUrl();
+        $actionUrlParsed = @parse_url($decodedActionUrl);
+        if (!isset($actionUrlParsed['host'])) {
+            return false;
+        }
+        return Visit::isHostKnownAliasHost($actionUrlParsed['host'], $idSite);
+    }
+}