Adds possibility to force cookie less tracking (#16592)

* Add system and measurable setting to enable cookie less tracking

* Never return a visitor id if cookieless tracking is forced

* Adds custom tracker.js to prevent cookies

* ignore exceptions

* cache setting in site attributes for faster tracking

* updates expected test files

* ensure getVisitorId also works without idSite in request

* fix js tests

* store global cookie flag in config to avoid failures when building tracker js

* use config instead of systemsetting

* use a new event to update the tracker file

* Fix handling in Request::getVisitorId()

* improve setting descriptions

* Revert "use config instead of systemsetting"

This reverts commit 1fdfb6808415d2984726cedfe2644de31086f927.

* Revert "store global cookie flag in config to avoid failures when building tracker js"

This reverts commit 2587dbb851d3e44f2740e39c91af3213930cad6f.

* code improvements

* Reset storage to ensure it's not filled with invalid database objects

* updates expected test files

* Remove measurable setting again

* move setting from systemsettings to ip anonymization settings

* Show a warning if tracker file is not writable

* updates expected test file

* apply some review feedback

* fix test

* updates expected screenshot

* apply review feedback

* submodule update

2 files changed, 7 insertions, 1 deletions

diff --git a/plugins/CustomJsTracker/CustomJsTracker.php b/plugins/CustomJsTracker/CustomJsTracker.php
index 5a15fed2d9..9529498d1a 100644
--- a/plugins/CustomJsTracker/CustomJsTracker.php
+++ b/plugins/CustomJsTracker/CustomJsTracker.php
@@ -23,7 +23,8 @@ class CustomJsTracker extends Plugin
             'PluginManager.pluginInstalled' => 'updateTracker',
             'PluginManager.pluginUninstalled' => 'updateTracker',
             'Updater.componentUpdated' => 'updateTracker',
-            'Controller.CoreHome.checkForUpdates.end' => 'updateTracker'
+            'Controller.CoreHome.checkForUpdates.end' => 'updateTracker',
+            'CustomJsTracker.updateTracker' => 'updateTracker'
         );
     }
 
diff --git a/plugins/CustomJsTracker/TrackingCode/JsTestPluginTrackerFiles.php b/plugins/CustomJsTracker/TrackingCode/JsTestPluginTrackerFiles.php
index 160fee1cc4..c30ab89f60 100644
--- a/plugins/CustomJsTracker/TrackingCode/JsTestPluginTrackerFiles.php
+++ b/plugins/CustomJsTracker/TrackingCode/JsTestPluginTrackerFiles.php
@@ -25,6 +25,11 @@ class JsTestPluginTrackerFiles extends PluginTrackerFiles
         $trackerFiles = \_glob(PIWIK_DOCUMENT_ROOT . '/plugins/*/' . self::TRACKER_FILE);
         foreach ($trackerFiles as $trackerFile) {
             $pluginName = $this->getPluginNameFromFile($trackerFile);
+
+            if ($pluginName === 'PrivacyManager') {
+                continue; // ignore tracker.js of PrivacyManager, as it would disable Cookies
+            }
+
             $dirs[$pluginName] = dirname($trackerFile) . '/';
         }
         return $dirs;