1 files changed, 81 insertions, 0 deletions
diff --git a/lib/private/Log/ErrorHandler.php b/lib/private/Log/ErrorHandler.php
new file mode 100644
index 00000000000..6597274a868
--- /dev/null
+++ b/lib/private/Log/ErrorHandler.php
@@ -0,0 +1,81 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OC\Log;
+
+use Error;
+use OCP\ILogger;
+use Psr\Log\LoggerInterface;
+use Throwable;
+
+class ErrorHandler {
+	public function __construct(
+		private LoggerInterface $logger,
+	) {
+	}
+
+	/**
+	 * Remove password in URLs
+	 */
+	private static function removePassword(string $msg): string {
+		return preg_replace('#//(.*):(.*)@#', '//xxx:xxx@', $msg);
+	}
+
+	/**
+	 * Fatal errors handler
+	 */
+	public function onShutdown(): void {
+		$error = error_get_last();
+		if ($error) {
+			$msg = $error['message'] . ' at ' . $error['file'] . '#' . $error['line'];
+			$this->logger->critical(self::removePassword($msg), ['app' => 'PHP']);
+		}
+	}
+
+	/**
+	 * Uncaught exception handler
+	 */
+	public function onException(Throwable $exception): void {
+		$class = get_class($exception);
+		$msg = $exception->getMessage();
+		$msg = "$class: $msg at " . $exception->getFile() . '#' . $exception->getLine();
+		$this->logger->critical(self::removePassword($msg), ['app' => 'PHP']);
+	}
+
+	/**
+	 * Recoverable errors handler
+	 */
+	public function onError(int $number, string $message, string $file, int $line): bool {
+		if (!(error_reporting() & $number)) {
+			return true;
+		}
+		$msg = $message . ' at ' . $file . '#' . $line;
+		$e = new Error(self::removePassword($msg));
+		$this->logger->log(self::errnoToLogLevel($number), $e->getMessage(), ['app' => 'PHP']);
+		return true;
+	}
+
+	/**
+	 * Recoverable handler which catch all errors, warnings and notices
+	 */
+	public function onAll(int $number, string $message, string $file, int $line): bool {
+		$msg = $message . ' at ' . $file . '#' . $line;
+		$e = new Error(self::removePassword($msg));
+		$this->logger->log(self::errnoToLogLevel($number), $e->getMessage(), ['app' => 'PHP']);
+		return true;
+	}
+
+	private static function errnoToLogLevel(int $errno): int {
+		return match ($errno) {
+			E_WARNING, E_USER_WARNING => ILogger::WARN,
+			E_DEPRECATED, E_USER_DEPRECATED => ILogger::DEBUG,
+			E_NOTICE, E_USER_NOTICE => ILogger::INFO,
+			default => ILogger::ERROR,
+		};
+	}
+}