Redact user metadata according to redacted keys configuration (#675)

* Redact user fields according to filters
* Add unit tests for user fields filtering
* Add changelog entry

Author: DariaKunoichi

CHANGELOG.md

@@ -1,6 +1,13 @@
 Changelog
 =========
 
+## TBD
+
+### Fixes
+
+* Redact user metadata according to redacted keys configuration
+  [#675](https://github.com/bugsnag/bugsnag-php/pull/675)
+
 ## 3.29.2 (2025-01-13)
 
 This release should ensure compatibility with PHP 8.4 by removing the usage of certain

src/Report.php

@@ -764,7 +764,7 @@ public function toArray()
         $event = [
             'app' => $this->config->getAppData(),
             'device' => array_merge(['time' => $this->time], $this->config->getDeviceData()),
-            'user' => $this->getUser(),
+            'user' => $this->cleanupObj($this->getUser(), true),
             'context' => $this->getContext(),
             'payloadVersion' => HttpClient::NOTIFY_PAYLOAD_VERSION,
             'severity' => $this->getSeverity(),

tests/ReportTest.php

@@ -117,6 +117,22 @@ public function testUser()
         $this->assertSame(['foo' => 'bar'], $this->report->toArray()['user']);
     }
 
+    public function testUserDefaultFilters()
+    {
+        $this->report->setUser(['foo' => 'bar', 'password' => 'mypass', 'custom_field' => 'some data']);
+
+        $this->assertSame(['foo' => 'bar', 'password' => '[FILTERED]', 'custom_field' => 'some data'], $this->report->toArray()['user']);
+    }
+
+    public function testUserCustomFilters()
+    {
+        $this->config->setFilters(['custom_field']);
+
+        $this->report->setUser(['foo' => 'bar', 'password' => 'mypass', 'custom_field' => 'some data']);
+
+        $this->assertSame(['foo' => 'bar', 'password' => 'mypass', 'custom_field' => '[FILTERED]'], $this->report->toArray()['user']);
+    }
+
     public function testDefaultFilters()
     {
         $metadata = array_reduce(