| 摘要 |
PROBLEM TO BE SOLVED: To make it difficult for a person without access authority for a file to directly access the file, without requiring complicated authentication processing on a Web site side.SOLUTION: A client terminal 1 comprises a request transmission unit 154 which transmits an acquisition request of a data file by a prescribed protocol and authentication information to a management server 2, a location information reception unit 155 which receives location information of data composing the data file from the management server 2, and an output unit 156 which outputs the data file restored by acquiring the data from a storage device 3 on the basis of the location information to a browsing application. The management server 2 comprises a determination unit 253 which determines whether or not the data file is browsable on the basis of the request and the authentication information, and a location information transmission unit 254 which transmits the location information to the client terminal 1 when it is determined that the data file is browsable. |
