+ public buildProtocolRequest(
+ id: string,
+ procedureName: ProcedureName,
+ requestPayload: RequestPayload
+ ): ProtocolRequest {
+ return [id, procedureName, requestPayload];
+ }
+
+ public buildProtocolResponse(id: string, responsePayload: ResponsePayload): ProtocolResponse {
+ return [id, responsePayload];
+ }
+
+ public stop(): void {
+ this.chargingStations.clear();
+ }
+
+ protected startHttpServer(): void {
+ if (this.httpServer.listening === false) {
+ this.httpServer.listen(this.uiServerConfiguration.options);
+ }
+ }
+
+ protected registerProtocolVersionUIService(version: ProtocolVersion): void {
+ if (this.uiServices.has(version) === false) {
+ this.uiServices.set(version, UIServiceFactory.getUIServiceImplementation(version, this));
+ }
+ }
+
+ protected authenticate(req: IncomingMessage, next: (err?: Error) => void): void {
+ if (this.isBasicAuthEnabled() === true) {
+ if (this.isValidBasicAuth(req) === false) {
+ next(new BaseError('Unauthorized'));
+ }
+ next();
+ }
+ next();
+ }
+
+ private isBasicAuthEnabled(): boolean {
+ return (
+ this.uiServerConfiguration.authentication?.enabled === true &&
+ this.uiServerConfiguration.authentication?.type === AuthenticationType.BASIC_AUTH
+ );
+ }
+
+ private isValidBasicAuth(req: IncomingMessage): boolean {
+ const authorizationHeader = req.headers.authorization ?? '';
+ const authorizationToken = authorizationHeader.split(/\s+/).pop() ?? '';
+ const authentication = Buffer.from(authorizationToken, 'base64').toString();
+ const authenticationParts = authentication.split(/:/);
+ const username = authenticationParts.shift();
+ const password = authenticationParts.join(':');
+ return (
+ this.uiServerConfiguration.authentication?.username === username &&
+ this.uiServerConfiguration.authentication?.password === password
+ );
+ }
+