From d16792e9430a9afcf59e0fcb0cc811606c129a92 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Simon=20St=C3=BCrz?= <simon.stuerz@nymea.io>
Date: Tue, 17 Aug 2021 09:23:36 +0200
Subject: [PATCH] Prevent unspecific warnings during certificate loading

---
 libnymea-core/servermanager.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/libnymea-core/servermanager.cpp b/libnymea-core/servermanager.cpp
index f79e913c..45a57bd4 100644
--- a/libnymea-core/servermanager.cpp
+++ b/libnymea-core/servermanager.cpp
@@ -367,19 +367,31 @@ void ServerManager::unregisterZeroConfService(const QString &configId, const QSt
 bool ServerManager::loadCertificate(const QString &certificateKeyFileName, const QString &certificateFileName)
 {
     QFile certificateKeyFile(certificateKeyFileName);
+    if (!certificateKeyFile.exists() || certificateKeyFileName.isEmpty()) {
+        qCWarning(dcServerManager()) << "Could not load certificate key file" << certificateKeyFile.fileName() << "because the file does not exist.";
+        return false;
+    }
+
     if (!certificateKeyFile.open(QIODevice::ReadOnly)) {
         qCWarning(dcServerManager()) << "Could not open" << certificateKeyFile.fileName() << ":" << certificateKeyFile.errorString();
         return false;
     }
+
     m_certificateKey = QSslKey(certificateKeyFile.readAll(), QSsl::Rsa);
     qCDebug(dcServerManager()) << "Loaded private certificate key " << certificateKeyFileName;
     certificateKeyFile.close();
 
     QFile certificateFile(certificateFileName);
+    if (!certificateFile.exists() || certificateFileName.isEmpty()) {
+        qCWarning(dcServerManager()) << "Could not load certificate file" << certificateFile.fileName() << "because the file does not exist.";
+        return false;
+    }
+
     if (!certificateFile.open(QIODevice::ReadOnly)) {
         qCWarning(dcServerManager()) << "Could not open" << certificateFile.fileName() << ":" << certificateFile.errorString();
         return false;
     }
+
     m_certificate = QSslCertificate(certificateFile.readAll());
     qCDebug(dcServerManager()) << "Loaded certificate file " << certificateFileName;
     certificateFile.close();