1 files changed, 50 insertions, 0 deletions
diff --git a/lib/private/Log/Syslog.php b/lib/private/Log/Syslog.php
new file mode 100644
index 00000000000..46214599eb8
--- /dev/null
+++ b/lib/private/Log/Syslog.php
@@ -0,0 +1,50 @@
+<?php
+
+/**
+ * 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 OC\SystemConfig;
+use OCP\ILogger;
+use OCP\Log\IWriter;
+
+class Syslog extends LogDetails implements IWriter {
+	protected array $levels = [
+		ILogger::DEBUG => LOG_DEBUG,
+		ILogger::INFO => LOG_INFO,
+		ILogger::WARN => LOG_WARNING,
+		ILogger::ERROR => LOG_ERR,
+		ILogger::FATAL => LOG_CRIT,
+	];
+
+	private string $tag;
+
+	public function __construct(
+		SystemConfig $config,
+		?string $tag = null,
+	) {
+		parent::__construct($config);
+		if ($tag === null) {
+			$this->tag = $config->getValue('syslog_tag', 'Nextcloud');
+		} else {
+			$this->tag = $tag;
+		}
+	}
+
+	public function __destruct() {
+		closelog();
+	}
+
+	/**
+	 * write a message in the log
+	 * @param string|array $message
+	 */
+	public function write(string $app, $message, int $level): void {
+		$syslog_level = $this->levels[$level];
+		openlog($this->tag, LOG_PID | LOG_CONS, LOG_USER);
+		syslog($syslog_level, $this->logDetailsAsJSON($app, $message, $level));
+	}
+}