Checks if the input can be handled by this class. If it cannot handle the input, rejects with an error explaining why.
Input that could potentially be handled.
A promise resolving if the input can be handled, rejecting with an Error if not.
Private fetchHandles the given input. This may only be called if canHandle did not reject. When unconditionally calling both in sequence, consider handleSafe instead.
Input that needs to be handled.
A promise resolving when handling is finished.
Helper function that first runs canHandle followed by handle. Throws the error of canHandle if the data cannot be handled, or returns the result of handle otherwise.
Input data that will be handled if it can be handled.
A promise resolving if the input can be handled, rejecting with an Error if not.
Private isChecks if the given agent is member of a given vCard group.
WebID of the agent that needs access.
URL of the vCard group that needs to be checked.
If the agent is member of the given vCard group.
Checks if the given WebID belongs to a group that has access. Implements the behaviour of groups from the WAC specification.