| 主权项 |
1. A method comprising:
by a computing system of a social-networking system, receiving from a third-party computing system a request for federated access to social-networking information of a user of the social-networking system, wherein:
the request for federated access was initiated by a physical access token corresponding to a transaction performed by the user at a point-of-sale terminal and comprises an indication of one or more options associated with the social-networking system that may be selected by the user at the point-of-sale terminal; andthe social-networking system maintains:
information identifying one or more connections of the user to one or more other users;a profile of the user comprising information associated with the user; andone or more privacy or other configuration settings associated with the user, by a computing system of the social-networking system, determining, based on one or more of the privacy or other configuration settings, that the third-party computing system is authorized to receive information from the social-networking system associated with the user, wherein the request comprises information indicating that the transaction is directed to, at least in part, receiving by the user, at the third-party computer system, the information from the social-networking system; and by a computing system of the social-networking system, establishing a federated-access session with the third-party computing system providing the third-party computing system federated access to the information associated with the user. |
