NodeOPCUA API Documentation
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    Class SessionContext

    Implements

    Index

    Constructors

    constructor

    Properties

    continuationPoints currentTime? object server? session? defaultContext

    Accessors

    clientApplicationUri clientCertificate

    Methods

    checkPermission currentUserHasRole getAccessRestrictions getApplicableRolePermissions getCurrentUserRoles getPermissions getUserName isAccessRestricted isBrowseAccessRestricted toJSON toString

    Constructors

    Properties

    continuationPoints: Buffer<ArrayBufferLike>[]
    currentTime?: PreciseClock

    Server timestamp at the time the request was received.

    object: UAObjectType | UAObject<UAObjectEvents> | undefined

    The object on which the current operation is being performed.

    server?: IServerBase
    session?: ISessionBase

    The underlying OPC UA session, if available.

    defaultContext: SessionContext

    Accessors

    • get clientApplicationUri(): string | null

      The application URI extracted from the client certificate's SubjectAltName, or null if no certificate is available.

      Returns string | null

    • get clientCertificate(): DER | null

      The client's application-instance certificate, or null if no secure channel is available.

      Returns DER | null

    Methods

    • Returns true if the current user has the given role.

      Parameters

      Returns boolean

    • getCurrentUserRoles

      guest => anonymous user (unauthenticated) default => default authenticated user

      Returns NodeId[]

    • Returns the user name of the current user.

      Returns string

    • Parameters

      Returns boolean

      true if the context is access restricted

    • Parameters

      Returns boolean

      true if the browse is denied (access is restricted)

    • Returns a JSON representation of the context

      Returns Record<string, string | null>

    • Returns a string representation of the context

      Returns string

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