make placeholder a const for reuse

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

Author: blizzz

lib/private/Log/ExceptionSerializer.php

@@ -42,6 +42,8 @@
 use OCP\HintException;
 
 class ExceptionSerializer {
+	public const SENSITIVE_VALUE_PLACEHOLDER = '*** sensitive parameter replaced ***';
+
 	public const methodsWithSensitiveParameters = [
 		// Session/User
 		'completeLogin',
@@ -211,7 +213,7 @@ private function removeValuesFromArgs($args, $values) {
 		$workArgs = [];
 		foreach ($args as $arg) {
 			if (in_array($arg, $values, true)) {
-				$arg = '*** sensitive parameter replaced ***';
+				$arg = self::SENSITIVE_VALUE_PLACEHOLDER;
 			} elseif (is_array($arg)) {
 				$arg = $this->removeValuesFromArgs($arg, $values);
 			}

tests/lib/Log/ExceptionSerializerTest.php

@@ -62,7 +62,7 @@ public function testSerializer() {
 		} catch (\Exception $e) {
 			$serializedData = $this->serializer->serializeException($e);
 			$this->assertSame(['Secret'], $secret);
-			$this->assertSame('*** sensitive parameters replaced ***', $serializedData['Trace'][0]['args'][0]);
+			$this->assertSame(ExceptionSerializer::SENSITIVE_VALUE_PLACEHOLDER, $serializedData['Trace'][0]['args'][0]);
 		}
 	}
 }