verifyToken abstract method
Verify the validity of a token for a specific feature and a specific installation.
This method executes locally.
token
must be of valid format as check in checkTokenValidFormat, invalid format will throw exception.
installId
is the installation identifier returned by createInstallId.
featureId
is the feature identifier as defined in premiumpay.site.
token
is a token brought from premiumpay.site or returned by syncRequest.
Returns true if token
is valid for the featureId
and the installId
associated and false if it's invalid for them.
Implementation
bool verifyToken(String installId, String featureId, String token);