+import { JSONSchemaType } from 'ajv';
+import Ajv from 'ajv-draft-04';
+import ajvFormats from 'ajv-formats';
+
import OCPPError from '../../exception/OCPPError';
import PerformanceStatistics from '../../performance/PerformanceStatistics';
import { EmptyObject } from '../../types/EmptyObject';
import Utils from '../../utils/Utils';
import type ChargingStation from '../ChargingStation';
import type OCPPResponseService from './OCPPResponseService';
+import { OCPPServiceUtils } from './OCPPServiceUtils';
+
+const moduleName = 'OCPPRequestService';
export default abstract class OCPPRequestService {
private static instance: OCPPRequestService | null = null;
+ private ajv: Ajv;
private readonly ocppResponseService: OCPPResponseService;
this.requestHandler.bind(this);
this.sendResponse.bind(this);
this.sendError.bind(this);
+ this.ajv = new Ajv();
+ ajvFormats(this.ajv);
}
public static getInstance<T extends OCPPRequestService>(
}
}
+ protected validateRequestPayload<T extends JsonType>(
+ chargingStation: ChargingStation,
+ commandName: RequestCommand,
+ schema: JSONSchemaType<T>,
+ payload: T
+ ): boolean {
+ if (!chargingStation.getPayloadSchemaValidation()) {
+ return true;
+ }
+ const validate = this.ajv.compile(schema);
+ if (validate(payload)) {
+ return true;
+ }
+ logger.error(
+ `${chargingStation.logPrefix()} ${moduleName}.validateRequestPayload: Request PDU is invalid: %j`,
+ validate.errors
+ );
+ throw new OCPPError(
+ OCPPServiceUtils.ajvErrorsToErrorType(validate.errors),
+ 'Request PDU is invalid',
+ commandName,
+ JSON.stringify(validate.errors, null, 2)
+ );
+ }
+
private async internalSendMessage(
chargingStation: ChargingStation,
messageId: string,
}
throw new OCPPError(
ErrorType.SECURITY_ERROR,
- `Cannot send command ${commandName} payload when the charging station is in ${chargingStation.getRegistrationStatus()} state on the central server`,
+ `Cannot send command ${commandName} PDU when the charging station is in ${chargingStation.getRegistrationStatus()} state on the central server`,
commandName
);
}