ATG: fix start transaction requests counting

[e-mobility-charging-stations-simulator.git] / src / charging-station / ui-server / AbstractUIServer.ts

diff --git a/src/charging-station/ui-server/AbstractUIServer.ts b/src/charging-station/ui-server/AbstractUIServer.ts
index 91c69a76765b835447988ba46e106ed87829caf2..a55d0070abb8fb6b4322203f608a8ea2d1a120cf 100644 (file)
--- a/src/charging-station/ui-server/AbstractUIServer.ts
+++ b/src/charging-station/ui-server/AbstractUIServer.ts
@@ -1,9 +1,9 @@
-import type { Server as HttpServer } from 'http';
-
-import type WebSocket from 'ws';
+import type { IncomingMessage, Server } from 'http';
 
 import type { ChargingStationData } from '../../types/ChargingStationWorker';
-import type {
+import type { UIServerConfiguration } from '../../types/ConfigurationData';
+import {
+  AuthenticationType,
   ProcedureName,
   ProtocolRequest,
   ProtocolResponse,
@@ -15,10 +15,10 @@ import type AbstractUIService from './ui-services/AbstractUIService';
 
 export abstract class AbstractUIServer {
   public readonly chargingStations: Map<string, ChargingStationData>;
+  protected httpServer: Server;
   protected readonly uiServices: Map<ProtocolVersion, AbstractUIService>;
-  protected server: WebSocket.Server | HttpServer;
 
-  public constructor() {
+  public constructor(protected readonly uiServerConfiguration: UIServerConfiguration) {
     this.chargingStations = new Map<string, ChargingStationData>();
     this.uiServices = new Map<ProtocolVersion, AbstractUIService>();
   }
@@ -27,17 +27,41 @@ export abstract class AbstractUIServer {
     id: string,
     procedureName: ProcedureName,
     requestPayload: RequestPayload
-  ): string {
-    return JSON.stringify([id, procedureName, requestPayload] as ProtocolRequest);
+  ): ProtocolRequest {
+    return [id, procedureName, requestPayload];
+  }
+
+  public buildProtocolResponse(id: string, responsePayload: ResponsePayload): ProtocolResponse {
+    return [id, responsePayload];
+  }
+
+  protected isBasicAuthEnabled(): boolean {
+    return (
+      this.uiServerConfiguration.authentication?.enabled === true &&
+      this.uiServerConfiguration.authentication?.type === AuthenticationType.BASIC_AUTH
+    );
   }
 
-  public buildProtocolResponse(id: string, responsePayload: ResponsePayload): string {
-    return JSON.stringify([id, responsePayload] as ProtocolResponse);
+  protected 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
+    );
   }
 
   public abstract start(): void;
   public abstract stop(): void;
-  public abstract sendRequest(request: string): void;
-  public abstract sendResponse(response: string): void;
-  public abstract logPrefix(modName?: string, methodName?: string, prefixSuffix?: string): string;
+  public abstract sendRequest(request: ProtocolRequest): void;
+  public abstract sendResponse(response: ProtocolResponse): void;
+  public abstract logPrefix(
+    moduleName?: string,
+    methodName?: string,
+    prefixSuffix?: string
+  ): string;
 }