RestServer: Log error before crashing if invalid file path for certificates is given

common/src/RESTHttpsServer.cpp

@@ -61,10 +61,15 @@ RESTHttpsServer::RESTHttpsServer(serverSettings_t settings) :
     });
     */
 
-    //TODO make more robust if certificate not found
-    _ctx->use_certificate_chain_file(settings.certificate);
-    _ctx->use_private_key_file(settings.privateKey, ssl::context::pem);
-    _ctx->use_tmp_dh_file(settings.dhFile);
+    try {
+        _ctx->use_certificate_chain_file(settings.certificate);
+        _ctx->use_private_key_file(settings.privateKey, ssl::context::pem);
+        _ctx->use_tmp_dh_file(settings.dhFile);
+    } catch (const std::exception& e) {
+        ServerLOG(fatal) << "Could not load certificate OR private key OR DH settings file! "
+                            "Please ensure the paths in the config file are valid!";
+        throw;
+    }
 
     // This will receive the new connection
     _socket = std::unique_ptr<tcp::socket>(new tcp::socket(*_io));
@@ -76,7 +81,7 @@ RESTHttpsServer::RESTHttpsServer(serverSettings_t settings) :
         _acceptor = std::unique_ptr<tcp::acceptor>(new tcp::acceptor(*_io, {address, port}));
         _acceptor->set_option(tcp::acceptor::reuse_address(true));
     } catch (const std::exception& e) {
-        LOG(fatal) << "RestAPI address invalid! Please make sure IP address and port are valid!";
+        ServerLOG(fatal) << "RestAPI address invalid! Please make sure IP address and port are valid!";
         throw;
     }
 }