constructor()

in device/core/src/iotedge_authentication_provider.ts [62:109]
30 lines of code
10 McCabe index (conditional complexity)

  constructor(private _authConfig: EdgedAuthConfig, tokenValidTimeInSeconds?: number, tokenRenewalMarginInSeconds?: number) {
    // Codes_SRS_NODE_IOTEDGED_AUTHENTICATION_PROVIDER_13_016: [ The constructor shall create the initial token value using the credentials parameter. ]
    // Codes_SRS_NODE_IOTEDGED_AUTHENTICATION_PROVIDER_13_017: [ The constructor shall throw an ArgumentError if the tokenRenewalMarginInSeconds is less than or equal tokenValidTimeInSeconds. ]
    super(
      {
        host: _authConfig && _authConfig.iothubHostName,
        deviceId: _authConfig && _authConfig.deviceId,
        moduleId: _authConfig && _authConfig.moduleId,
        gatewayHostName: _authConfig && _authConfig.gatewayHostName
      },
      tokenValidTimeInSeconds,
      tokenRenewalMarginInSeconds
    );

    // Codes_SRS_NODE_IOTEDGED_AUTHENTICATION_PROVIDER_13_001: [ The constructor shall throw a ReferenceError if the _authConfig parameter is falsy. ]
    if (!this._authConfig) {
      throw new ReferenceError('_authConfig cannot be \'' + _authConfig + '\'');
    }

    // Codes_SRS_NODE_IOTEDGED_AUTHENTICATION_PROVIDER_13_002: [ The constructor shall throw a ReferenceError if the _authConfig.workloadUri field is falsy. ]
    if (!this._authConfig.workloadUri) {
      throw new ReferenceError('_authConfig.workloadUri cannot be \'' + this._authConfig.workloadUri + '\'');
    }

    // Codes_SRS_NODE_IOTEDGED_AUTHENTICATION_PROVIDER_13_003: [ The constructor shall throw a ReferenceError if the _authConfig.moduleId field is falsy. ]
    if (!this._authConfig.moduleId) {
      throw new ReferenceError('_authConfig.moduleId cannot be \'' + this._authConfig.moduleId + '\'');
    }

    // Codes_SRS_NODE_IOTEDGED_AUTHENTICATION_PROVIDER_13_004: [ The constructor shall throw a ReferenceError if the _authConfig.generationId field is falsy. ]
    if (!this._authConfig.generationId) {
      throw new ReferenceError('_authConfig.generationId cannot be \'' + this._authConfig.generationId + '\'');
    }

    // Codes_SRS_NODE_IOTEDGED_AUTHENTICATION_PROVIDER_13_005: [ The constructor shall throw a TypeError if the _authConfig.workloadUri field is not a valid URI. ]
    // Codes_SRS_NODE_IOTEDGED_AUTHENTICATION_PROVIDER_13_006: [ The constructor shall build a unix domain socket path host if the workload URI protocol is unix. ]
    // Codes_SRS_NODE_IOTEDGED_AUTHENTICATION_PROVIDER_13_007: [ The constructor shall build a string host if the workload URI protocol is not unix. ]
    this._workloadUri = url.parse(this._authConfig.workloadUri);
    const config: RestApiClient.TransportConfig = {
      host: this._workloadUri.protocol === 'unix:' ? { socketPath: this._workloadUri.pathname } : this._workloadUri.hostname,
      tokenCredential: undefined
    };

    // Consider: The user agent string below needs to be constructed using the utils.getUserAgentString function.
    // But that is an async function and since we can't do async things while initializing fields, one way to
    // handle this might be to make this._restApiClient a lazily initialized object.
    this._restApiClient = new RestApiClient(config, `${packageJson.name}/${packageJson.version}`);
  }