1 files changed, 68 insertions, 0 deletions
diff --git a/plugins/SitesManager/GtmSiteTypeGuesser.php b/plugins/SitesManager/GtmSiteTypeGuesser.php
new file mode 100644
index 0000000000..d79313c275
--- /dev/null
+++ b/plugins/SitesManager/GtmSiteTypeGuesser.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ * Matomo - free/libre analytics platform
+ *
+ * @link https://matomo.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Plugins\SitesManager;
+
+use Piwik\Plugins\SitesManager\SitesManager;
+
+class GtmSiteTypeGuesser
+{
+    public function guessSiteTypeFromResponse($response)
+    {
+        if ($response === false) {
+            return SitesManager::SITE_TYPE_UNKNOWN;
+        }
+
+        $needle = '/wp-content';
+        if (strpos($response['data'], $needle) !== false) {
+            return SitesManager::SITE_TYPE_WORDPRESS;
+        }
+
+        $needle = '<!-- This is Squarespace. -->';
+        if (strpos($response['data'], $needle) !== false) {
+            return SitesManager::SITE_TYPE_SQUARESPACE;
+        }
+
+        $needle = 'X-Wix-Published-Version';
+        if (strpos($response['data'], $needle) !== false) {
+            return SitesManager::SITE_TYPE_WIX;
+        }
+
+        // https://github.com/joomla/joomla-cms/blob/staging/libraries/src/Application/WebApplication.php#L516
+        // Joomla was the outcome of a fork of Mambo on 17 August 2005 - https://en.wikipedia.org/wiki/Joomla
+        if (isset($response['headers']['expires']) && $response['headers']['expires'] === 'Wed, 17 Aug 2005 00:00:00 GMT') {
+            return SitesManager::SITE_TYPE_JOOMLA;
+        }
+
+        $needle = 'Shopify.theme';
+        if (strpos($response['data'], $needle) !== false) {
+            return SitesManager::SITE_TYPE_SHOPIFY;
+        }
+
+        $needle = 'content="Microsoft SharePoint';
+        if (strpos($response['data'], $needle) !== false) {
+            return SitesManager::SITE_TYPE_SHAREPOINT;
+        }
+
+        return SitesManager::SITE_TYPE_UNKNOWN;
+    }
+
+    public function guessGtmFromResponse($response)
+    {
+        if ($response === false) {
+            return false;
+        }
+
+        $needle = 'gtm.start';
+        if (strpos($response['data'], $needle) !== false) {
+            return true;
+        }
+
+        return false;
+    }
+}