New opens a new sql connection with the given configuration with a connection timeout of 30.

TokenTypeRefresh identifies a token as refresh-token.

TokenTypeReset identifies a token as reset-token.

ErrTokenNotFound returned when no token could be found.

ErrUserAlreadyExists returned when given user already exists.

ErrUserNotFound returned when requested user not found.

Storage should be created via New and provides user and token database operation.

Token represent a persisted token.

User represent a persisted user.