Information processing apparatus, method of controlling thereof, and computer-readable storage medium storing program therefor

• US 8,583,559 B2
• Filed: 06/15/2010
• Issued: 11/12/2013
• Est. Priority Date: 07/06/2009
• Status: Active Grant

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Nakashima, Kousuke
• Primary Examiner(s): CHEUNG, CALVIN K
• Application Number:
  US12/815,856
• Publication Number:
  US 20110004874A1
• Time in Patent Office: 1,246 Days
• Field of Search: 705 56- 59, 705/904, 705/51, 726 30- 32
• US Class Current: 705/59
• CPC Class Codes: G06F 21/121 Restricting unauthorised execution of programs

Abstract

An application program or an extended application program is installed that extends the functionality of this application program. If the application program is installed, a license file used in this application program is stored in a storage unit. If the extended application is installed, then control is executed so as to install the extended application using the license file stored in the storage unit and used in installing the application program corresponding to the extended application program.

Claims

1. An information processing apparatus comprising:

an installing unit configured to install a first type of application program using a license file; and

a first storage control unit configured to store, in a first storage unit, the license file, which is used to install the first type of application program;

a second storage control unit configured to store, in a second storage unit, application identification information identifying the first type of application program and license identification information identifying the license file used to install the first type of application program, wherein the license identification information is associated with the application identification information,

wherein said installing unit detects the application identification information attached to a second type of application program, acquires the license identification information corresponding to the detected application identification information from the second storage unit, acquires the license file identified by the acquired license identification information from the first storage unit, and installs the second type of application program using the acquired license file.

2. The apparatus according to claim 1, wherein

the license file includes decryption key information, and

said installing unit decrypts each of the first type of application program and the second type of application program using the decryption key information, and installs each of the decrypted first type of application program and the decrypted second type of application program.

3. The apparatus according to claim 1, wherein said second storage control unit stores, in the second storage unit, application identification information which is attached to identifying the second type of application program and the acquired license identification information.

4. The apparatus according to claim 1, wherein, in a case where the first type of application program is installed by said installing unit, the first storage control unit stores the license file used to install the first type of application program in the first storage unit.

5. The apparatus according to claim 1, further comprising:

a scanner configured to read image data; and

a printer configured to print the image data.

6. The apparatus according to claim 1, wherein the second type of application program extends functionality of the first type of application program.

7. The apparatus according to claim 1, further comprising:

a display unit configured to, in a case where the detected application identification information is not stored in the second storage unit, display an alert screen indicting that installation of an application program is not possible.

8. The apparatus according to claim 1, wherein the first storage unit and second storage unit are the same storage unit.

9. An information processing apparatus comprising:

an acceptance unit configured to accept information that designates an application program to be installed and information that designates a license file to be used to install the application program;

an installing unit configured to, when the application program designated by the information accepted by said acceptance unit is a first type of application program, install the designated application program using the designated license file;

a storage control unit configured to store, in a storage unit, the designated license file which is used to install the designated application program,

wherein, when the application program designated by the information accepted by said acceptance unit is a second type of application program which extends functionality of the first type of application program, said installing unit installs the designated application program using the license file used to install the first type of application program corresponding to the designated application program and stored in the storage unit, even if the information designating the license file is not accepted by said acceptance unit, and

wherein when the application program designated by the information accepted by said acceptance unit is the first type of application program, the designated application program is not permitted to be installed if the information designating the license file is not accepted by said acceptance unit.

10. The apparatus according to claim 9, wherein when the application program designated by the information accepted by said acceptance unit is the second type of application program and the license file used to install the first type of application program corresponding to the designated application program has not been stored in the storage unit, then installing the designated application program without the information designating the license file being accepted by said acceptance unit is restricted.

11. The apparatus according to claim 9, wherein said installing unit identifies the first type of application program corresponding to the second type of application program and installs the second type of application program using the license file used to install the identified first type of application program.

12. The apparatus according to claim 9, wherein

application identification information identifying the first type of application program corresponding to the second type of application program is attached to the second type of application program, and

said installing unit detects the application identification information attached to the second type of application program, and installs the second type of application program using the license file used to install the first type of application program identified by the detected application identification information.

13. The apparatus according to claim 9, wherein said installing unit identifies the license file to be used to install the first type of application program corresponding to the second type of application program and acquires the identified license file from the storage unit.

14. The apparatus according to claim 9, further comprising:

a display unit configured to, in a case where the first type of application program corresponding to the second type of application program is has not been installed, display an alert screen indicating that installation of the second type of application program is not possible.

15. The apparatus according to claim 9, wherein

the license file includes decryption key information,

said installing unit decrypts each of the first type of application program and the second type of application program using the decryption key information, and installs each of the decrypted first type of application program and the decrypted second type of application program.

16. The apparatus according to claim 9, further comprising:

a display unit configured to, in a case where the application program designated by the information accepted by said acceptance unit is the first type of application program and the information designating the license file is not accepted by said acceptance unit, display an alert screen indicting that installation of an application program is not possible.

17. The apparatus according to claim 9, further comprising:

a scanner configured to read image data; and

a printer configured to print the image data.

18. A method of controlling an information processing apparatus comprising:

installing a first type of application program using a license file; and

storing, in a first storage unit, the license file, which is used to install the first type of application program;

storing, in a second storage unit, application identification information identifying the first type of application program and license identification information identifying the license file used to install the first type of application program, wherein the license identification information is associated with the application identification information;

detecting the application identification information attached to a second type of application program;

acquiring the license identification information corresponding to the detected application identification information from the second storage unit;

acquiring the license file identified by the acquired license identification information from the first storage unit; and

installing the second type of application program using the acquired license file.

19. A non-transitory computer-readable storage medium storing a program for causing a computer to execute a method, said method comprising:

installing a first type of application program using a license file;

a storage control step of storing, in a first storage unit, the license file, which is used to install a main the first type of application program;

storing, in a second storage unit, application identification information identifying the first type of application program and license identification information identifying the license file used to install the first type of application program, wherein the license identification information is associated with the application identification information;

detecting the application identification information attached to a second type of application program;

acquiring the license identification information corresponding to the detected application identification information from the second storage unit;

acquiring the license file identified by the acquired license identification information from the first storage unit; and

installing the second type of application program using the acquired license file.