avoid large amounts of notifications being added to the session (#17736)

* impose limit on notification message size when logging to notifications

* if in memory notification count exceeds max notification size in session, do not attempt to new ones it to the session

* Detect when session was too large to read and provide warning to user.

* add some tests for Notification\ManagerTest.php

* add tests for relevant DbTable members

* Change session data column type to allow larger session data values.

* update to rc3

* trigger new build?

* fix namespace

* fix test namespaces

* bump version correctly

1 files changed, 7 insertions, 1 deletions

diff --git a/plugins/Monolog/Handler/WebNotificationHandler.php b/plugins/Monolog/Handler/WebNotificationHandler.php
index 0269282c9f..c365403590 100644
--- a/plugins/Monolog/Handler/WebNotificationHandler.php
+++ b/plugins/Monolog/Handler/WebNotificationHandler.php
@@ -20,6 +20,8 @@ use Zend_Session_Exception;
  */
 class WebNotificationHandler extends AbstractProcessingHandler
 {
+    const MAX_NOTIFICATION_MESSAGE_LENGTH = 512;
+
     public function isHandling(array $record)
     {
         if (!empty($record['context']['ignoreInScreenWriter'])) {
@@ -46,7 +48,11 @@ class WebNotificationHandler extends AbstractProcessingHandler
                 break;
         }
 
-        $message = $record['level_name'] . ': ' . htmlentities($record['message'], ENT_COMPAT | ENT_HTML401, 'UTF-8');
+        $recordMessage = $record['message'];
+        $recordMessage = str_replace(PIWIK_INCLUDE_PATH, '', $recordMessage);
+        $recordMessage = substr($recordMessage, 0, self::MAX_NOTIFICATION_MESSAGE_LENGTH);
+
+        $message = $record['level_name'] . ': ' . htmlentities($recordMessage, ENT_COMPAT | ENT_HTML401, 'UTF-8');
         $message .= $this->getLiteDebuggingInfo();
 
         $notification = new Notification($message);