Allow to log DB, redis and LDAP requests into files

Signed-off-by: Joas Schilling <coding@schilljs.com>

3 files changed, 23 insertions, 4 deletions

diff --git a/apps/user_ldap/lib/AppInfo/Application.php b/apps/user_ldap/lib/AppInfo/Application.php
index 8c48682eddb..79998a580e5 100644
--- a/apps/user_ldap/lib/AppInfo/Application.php
+++ b/apps/user_ldap/lib/AppInfo/Application.php
@@ -75,8 +75,13 @@ class Application extends App implements IBootstrap {
 			);
 		});
 
-		$container->registerService(ILDAPWrapper::class, function () {
-			return new LDAP();
+		$container->registerService(ILDAPWrapper::class, function (IAppContainer $appContainer) {
+			/** @var IServerContainer $server */
+			$server = $appContainer->get(IServerContainer::class);
+
+			return new LDAP(
+				$server->getConfig()->getSystemValueString('ldap_log_file')
+			);
 		});
 	}
 
diff --git a/apps/user_ldap/lib/Jobs/Sync.php b/apps/user_ldap/lib/Jobs/Sync.php
index 10036f8dc12..3d0dd88dfd2 100644
--- a/apps/user_ldap/lib/Jobs/Sync.php
+++ b/apps/user_ldap/lib/Jobs/Sync.php
@@ -317,7 +317,7 @@ class Sync extends TimedJob {
 		if (isset($argument['ldapWrapper'])) {
 			$this->ldap = $argument['ldapWrapper'];
 		} else {
-			$this->ldap = new LDAP();
+			$this->ldap = new LDAP($this->config->getSystemValueString('ldap_log_file'));
 		}
 
 		if (isset($argument['avatarManager'])) {
diff --git a/apps/user_ldap/lib/LDAP.php b/apps/user_ldap/lib/LDAP.php
index 7210977e0e4..900f5a7030f 100644
--- a/apps/user_ldap/lib/LDAP.php
+++ b/apps/user_ldap/lib/LDAP.php
@@ -38,14 +38,16 @@ use OCA\User_LDAP\PagedResults\IAdapter;
 use OCA\User_LDAP\PagedResults\Php73;
 
 class LDAP implements ILDAPWrapper {
+	protected $logFile = '';
 	protected $curFunc = '';
 	protected $curArgs = [];
 
 	/** @var IAdapter */
 	protected $pagedResultsAdapter;
 
-	public function __construct() {
+	public function __construct(string $logFile = '') {
 		$this->pagedResultsAdapter = new Php73();
+		$this->logFile = $logFile;
 	}
 
 	/**
@@ -349,6 +351,18 @@ class LDAP implements ILDAPWrapper {
 	private function preFunctionCall($functionName, $args) {
 		$this->curFunc = $functionName;
 		$this->curArgs = $args;
+
+		if ($this->logFile !== '' && is_writable($this->logFile)) {
+			$args = array_reduce($this->curArgs, static function (array $carry, $item): array {
+				$carry[] = !is_resource($item) ? $item : '(resource)';
+				return $carry;
+			}, []);
+			file_put_contents(
+				$this->logFile,
+				$this->curFunc . '::' . json_encode($args) . "\n",
+				FILE_APPEND
+			);
+		}
 	}
 
 	/**