Fixes to OCPP command payload validation:
[e-mobility-charging-stations-simulator.git] / src / charging-station / ocpp / 1.6 / OCPP16RequestService.ts
index 3bb9f6ce4426965e97a20c690cbf67a996b0ca6b..658664092d71451b5e088bd3e3390fba6deb69c8 100644 (file)
@@ -1,4 +1,4 @@
-// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+// Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
 
 import fs from 'fs';
 import path from 'path';
@@ -10,11 +10,12 @@ import OCPPError from '../../../exception/OCPPError';
 import type { JsonObject, JsonType } from '../../../types/JsonType';
 import type { OCPP16MeterValuesRequest } from '../../../types/ocpp/1.6/MeterValues';
 import {
-  DiagnosticsStatusNotificationRequest,
-  OCPP16BootNotificationRequest,
-  OCPP16HeartbeatRequest,
+  type DiagnosticsStatusNotificationRequest,
+  type OCPP16BootNotificationRequest,
+  type OCPP16DataTransferRequest,
+  type OCPP16HeartbeatRequest,
   OCPP16RequestCommand,
-  OCPP16StatusNotificationRequest,
+  type OCPP16StatusNotificationRequest,
 } from '../../../types/ocpp/1.6/Requests';
 import type {
   OCPP16AuthorizeRequest,
@@ -22,6 +23,7 @@ import type {
   OCPP16StopTransactionRequest,
 } from '../../../types/ocpp/1.6/Transaction';
 import { ErrorType } from '../../../types/ocpp/ErrorType';
+import { OCPPVersion } from '../../../types/ocpp/OCPPVersion';
 import type { RequestParams } from '../../../types/ocpp/Requests';
 import Constants from '../../../utils/Constants';
 import logger from '../../../utils/Logger';
@@ -40,7 +42,7 @@ export default class OCPP16RequestService extends OCPPRequestService {
     if (new.target?.name === moduleName) {
       throw new TypeError(`Cannot construct ${new.target?.name} instances directly`);
     }
-    super(ocppResponseService);
+    super(OCPPVersion.VERSION_16, ocppResponseService);
     this.jsonSchemas = new Map<OCPP16RequestCommand, JSONSchemaType<JsonObject>>([
       [
         OCPP16RequestCommand.AUTHORIZE,
@@ -138,9 +140,20 @@ export default class OCPP16RequestService extends OCPPRequestService {
           )
         ) as JSONSchemaType<OCPP16StopTransactionRequest>,
       ],
+      [
+        OCPP16RequestCommand.DATA_TRANSFER,
+        JSON.parse(
+          fs.readFileSync(
+            path.resolve(
+              path.dirname(fileURLToPath(import.meta.url)),
+              '../../../assets/json-schemas/ocpp/1.6/DataTransfer.json'
+            ),
+            'utf8'
+          )
+        ) as JSONSchemaType<OCPP16DataTransferRequest>,
+      ],
     ]);
     this.buildRequestPayload.bind(this);
-    this.validatePayload.bind(this);
   }
 
   public async requestHandler<RequestType extends JsonType, ResponseType extends JsonType>(
@@ -149,13 +162,12 @@ export default class OCPP16RequestService extends OCPPRequestService {
     commandParams?: JsonType,
     params?: RequestParams
   ): Promise<ResponseType> {
-    if (OCPP16ServiceUtils.isRequestCommandSupported(chargingStation, commandName)) {
+    if (OCPP16ServiceUtils.isRequestCommandSupported(chargingStation, commandName) === true) {
       const requestPayload = this.buildRequestPayload<RequestType>(
         chargingStation,
         commandName,
         commandParams
       );
-      this.validatePayload(chargingStation, commandName, requestPayload);
       return (await this.sendMessage(
         chargingStation,
         Utils.generateUUID(),
@@ -173,6 +185,19 @@ export default class OCPP16RequestService extends OCPPRequestService {
     );
   }
 
+  protected getRequestPayloadValidationSchema(
+    chargingStation: ChargingStation,
+    commandName: OCPP16RequestCommand
+  ): JSONSchemaType<JsonObject> | false {
+    if (this.jsonSchemas.has(commandName) === true) {
+      return this.jsonSchemas.get(commandName);
+    }
+    logger.warn(
+      `${chargingStation.logPrefix()} ${moduleName}.getPayloadValidationSchema: No JSON schema found for command ${commandName} PDU validation`
+    );
+    return false;
+  }
+
   private buildRequestPayload<Request extends JsonType>(
     chargingStation: ChargingStation,
     commandName: OCPP16RequestCommand,
@@ -237,7 +262,7 @@ export default class OCPP16RequestService extends OCPPRequestService {
           meterStart: chargingStation.getEnergyActiveImportRegisterByConnectorId(
             commandParams?.connectorId as number
           ),
-          timestamp: new Date().toISOString(),
+          timestamp: new Date(),
         } as unknown as Request;
       case OCPP16RequestCommand.STOP_TRANSACTION:
         connectorId = chargingStation.getConnectorIdByTransactionId(
@@ -255,7 +280,7 @@ export default class OCPP16RequestService extends OCPPRequestService {
             commandParams?.idTag ??
             chargingStation.getTransactionIdTag(commandParams?.transactionId as number),
           meterStop: commandParams?.meterStop ?? energyActiveImportRegister,
-          timestamp: new Date().toISOString(),
+          timestamp: new Date(),
           reason: commandParams?.reason,
           ...(chargingStation.getTransactionDataMeterValues() && {
             transactionData: OCPP16ServiceUtils.buildTransactionDataMeterValues(
@@ -268,6 +293,8 @@ export default class OCPP16RequestService extends OCPPRequestService {
             ),
           }),
         } as unknown as Request;
+      case OCPP16RequestCommand.DATA_TRANSFER:
+        return commandParams as unknown as Request;
       default:
         // OCPPError usage here is debatable: it's an error in the OCPP stack but not targeted to sendError().
         throw new OCPPError(
@@ -279,23 +306,4 @@ export default class OCPP16RequestService extends OCPPRequestService {
         );
     }
   }
-
-  private validatePayload<Request extends JsonType>(
-    chargingStation: ChargingStation,
-    commandName: OCPP16RequestCommand,
-    requestPayload: Request
-  ): boolean {
-    if (this.jsonSchemas.has(commandName)) {
-      return this.validateRequestPayload(
-        chargingStation,
-        commandName,
-        this.jsonSchemas.get(commandName),
-        requestPayload
-      );
-    }
-    logger.warn(
-      `${chargingStation.logPrefix()} ${moduleName}.validatePayload: No JSON schema found for command ${commandName} PDU validation`
-    );
-    return false;
-  }
 }