Proxy server, control method thereof, content server, and control method thereof

摘要

The present invention particularly relates, but is not limited to, a technology that facilitates the identification of a consumed content item and a user who consumed that item, and there is provided a proxy server that is capable of communicating with a client and a content server storing content for which permission data is required for reproduction. The proxy server comprises, in particular, a content information retrieving unit that retrieves, from the content server, content information that identifies the content server and the content, and a generating unit that generates modified content information that identifies the proxy server and the content identified by the content information.

主权项

1. A proxy server configured to communicate with a client and a content server storing content for which permission data is required for reproduction, the proxy server comprising:
a content information retrieving unit configured to retrieve, from the content server, content information that identifies the content server and the content; a generating unit configured to generate modified content information that identifies the proxy server and the content identified by the content information; a modified content information sending unit configured to send the modified content information to the client; a content request receiving unit configured to receive, from the client, a request for the content identified by the modified content information; a permission server information retrieving unit configured to retrieve, from the content server identified by the content information identifying the requested content, permission server information that identifies a permission server configured to create the permission data for the requested content, wherein the permission server information retrieving unit is further configured to send, to the content server, proxy server information that identifies the proxy server; a content information sending unit configured to send the content information to the client in response to the request for the content; a permission request receiving unit configured to receive, from the client, a request for the permission data for the requested content; a permission data retrieving unit configured to retrieve the requested permission data from the permission server; and a permission data sending unit configured to send the requested permission data to the client in response to the request for the permission data.