JP4993071B2 - Information providing server, information providing system, program, and recording medium - Google Patents

Description

  The present invention relates to an information providing server that manages session information.

  In today's WWW system, when a user is authenticated for login at one site, there is a system that can access other sites related to the site (single sign-on).

  When logging in to a certain site (hereinafter referred to as “site A”), session information, which is information related to the user's access, is created in a server that provides site A. When the site A accesses another site (hereinafter referred to as a site B) that has an affiliated relationship, the created session information is deleted when a predetermined time elapses. Therefore, when the site B accesses the site A again, it is necessary to receive login authentication again.

  A session management system that creates single sign-on session information that is common to the logged-in site and links with the session information of each site to prevent logout when site A accesses site B that is in an affiliated relationship. (See, for example, [Patent Document 1].)

JP 2006-31064 A

  Generally, the session information created when logging in to the site A is deleted when a predetermined time elapses, and the user cannot use the site A once logged in, and is prompted to log in again. Despite the recognition that the user continues to use the site B related to the site A, the session information is deleted if the access to the site A is interrupted for a predetermined time. To access Site A.

  The system shown in Patent Document 1 introduces single sign-on session information in order to prevent the above problems. However, in the system according to Patent Document 1, each system (server) that provides an application manages a local session of each system, and also includes a session management unit that manages all session information of a single sign-on system. Prepare. The session management unit manages all system histories and single sign-on sessions accessed by the user. Therefore, the system according to Patent Document 1 has a problem that the configuration for preventing the expiration of the session information is complicated and the load on the system is large.

  In addition, as a method of accessing the site A again from the site B affiliated with the site A in preparation for the case where the session information of the logged-in site A is deleted, a method of taking over the user information from the original site A There is. However, in this method, since all user information is taken over on the network, the risk of leakage of user information and unauthorized access using the leaked information increases, and there is a problem in safety.

  In addition, if you are accessing a site related to Site A after logging in to Site A, the session information for Site A that has been left will expire, and you may be asked to log in again even if you access Site A directly. is there. Although the user recognizes that he / she is operating a related site of the site A, there is a problem that the user is required to log in again when accessing the site A.

  The present invention has been made in view of the above problems, and an information providing server and information capable of improving operability while maintaining information security when using a plurality of related sites An object is to provide a providing system.

In order to achieve the above-described object, a first invention is an information providing server that is connected to at least one terminal device and at least one related server via a network and provides various information, and includes: Session management means for managing session information related to access, deactivation means for deactivating the session information when a predetermined time has elapsed, and cooperation information when the terminal device accesses and links to the related server and it sends the relevant servers create and cooperation destination, and linkage information processing means for holding said linkage information in association with the session information together with the identifier of the associated servers of the cooperation destination, when the access request from the terminal device, if the session information for the terminal device is in the inactive, related support the linkage information of said cooperation destination And inquiring means for inquiring the access status of the terminal device, and if the terminal device confirms that the terminal device is accessing the related server as a result of the inquiry, the deactivated session information is And an activation means for activating the information providing server.

The related server is a server of a site that is affiliated with the site of the information providing server. When the terminal device receives the login authentication by the information providing server, the terminal device can access the related server without receiving the login authentication again (single sign-on).
The linkage information is information indicating access from the information providing server to the related server. The cooperation information is, for example, a cooperation number or an identification information of the information providing server created when the terminal device accesses the related server via the information providing server and cooperates. The cooperation information is associated with the terminal device or the user and is held in both the information providing server and the related server.

  The information providing server of the first invention manages session information of the terminal device, and deactivates the session information after a predetermined time has elapsed. The terminal device collaborates by accessing the related server after logging in to the information providing server. The information providing server creates linkage information and sends the linkage information to the linkage destination related server, and holds the linkage information in association with the session information together with the identifier of the linkage destination related server. If the session information is inactive when the terminal device accesses the information providing server, the information providing server sends the cooperation information to the related server of the cooperation destination and inquires about the access status of the terminal device. The linked related server confirms the access status of the terminal device corresponding to the linked information and returns the result to the information providing server. The information providing server activates the deactivated session information when it is confirmed that the terminal device is accessing the linked related server.

  In the first invention, even if the session information is inactive due to interruption of access to the information providing server, if the access to the related server of the terminal device is confirmed, the terminal device receives the login authentication again. Without having to access the information providing server. Therefore, operability can be improved.

The information providing server may issue a warning when it is confirmed that the terminal device has not accessed the related server as a result of the inquiry to the related server of the cooperation destination. The warning is, for example, a message display such as “Relogin request”.
When performing distributed processing by a plurality of information providing servers, it is desirable to hold the identification information of the cooperation source information providing server in association with the session information.
In addition, a flag indicating active or inactive may be provided in session information created by the information providing server.

Further, the information providing server may send the network location information of the related server to the terminal device. Further, the related server may send the network location information of the information providing server to the terminal device. The net position information is the location of the net information resource (content) held by the related server, the access destination (URL), and the like. The net position information is displayed as a link or a button on the screen of the terminal device, for example.
Thereby, the terminal device can access the information providing server and the related server by following the link.

In addition, as for the cooperation between related servers, similarly to the information providing server, a related information processing means and an inquiry means may be provided in the related server, or the related server creates cooperation information indicating the cooperation between the related servers. You may make it send to an information provision server.
As a result, if the terminal device is accessing one of the related servers, the terminal device can receive information from the information providing server without performing another login operation regardless of the access route to the information providing server. Can do.

According to a second aspect of the present invention, there is provided at least one terminal device, an information providing server that provides various information to the terminal device, and at least one related server that can be accessed by the terminal device authenticated by the information providing server. An information providing system connected via a network, wherein the information providing server inactivates the session information when a predetermined time elapses, and session management means for managing session information related to access from the terminal device When the deactivation means and the terminal device access and link to the related server, the link information is generated and sent to the link destination related server, and the link information together with the identifier of the link destination related server and linkage information processing means that holds in association with the session information, when the access request from the terminal device, the If the session information about the end system has become inactive, the feed coordination information to the relevant server of the cooperation destination, and query means for querying the access status of the terminal device, the query result, the Activating means for activating the deactivated session information when it is confirmed that the terminal device is accessing the related server, and the related server is configured to access the terminal device when accessing the terminal device. Based on cooperation information holding means for holding the cooperation information sent from the information providing server, cooperation information held by the cooperation information holding means, and cooperation information sent at the time of an inquiry from the information providing server An access status confirmation unit for confirming an access status of the terminal device, and a confirmation result by the access status confirmation unit. It is an information providing system characterized by comprising a check result sending means for sending the providing server.

  The second invention relates to an information providing system comprising the information providing server of the first invention, at least one related server, and a terminal device that accesses these servers.

  A third invention is a program for causing a computer to function as the information providing server of the first invention.

  A fourth invention is a computer-readable recording medium on which a program for causing a computer to function as the information providing server of the first invention is recorded.

  Note that the above program may be distributed by being held on a recording medium such as a CD-ROM, or the program can be transmitted and received via a communication line.

  According to the present invention, it is possible to provide an information providing server and an information providing system that can improve operability while maintaining information security when using a plurality of related sites.

  Hereinafter, preferred embodiments of an information providing server and an information providing system according to the present invention will be described in detail with reference to the accompanying drawings. In the following description and the accompanying drawings, the same reference numerals are given to components having substantially the same functional configuration, and redundant description will be omitted.

(1. Configuration of information providing system 1)
First, the configuration of the information providing system 1 will be described with reference to FIG.
FIG. 1 is a configuration diagram of the information providing system 1.

  The information providing system 1 is configured by connecting a terminal device 5, an information providing server 9, and a related server 11 via a network 7. A plurality of terminal devices 5 and related servers 11 may be connected. Further, the WEB site provided by the information providing server 9 and the WEB site provided by the related server 11 are in a partnership relationship and can be accessed with each other. From the viewpoint of the user 3, when the user logs in to the information providing server 9, the related server 11 apparently forms one site, and the user 3 is equivalent to logging in and using this one site. is there.

(1-1. Configuration of Terminal Device 5)
The terminal device 5 is a device such as a computer that can be connected to the information providing server 9 and the related server 11 via the network 7. The terminal device 5 includes an input unit 13 such as a keyboard, a mouse, and a button, and a display unit 15 such as a CRT monitor and a liquid crystal panel. The user 3 operates the terminal device 5 to log in to the WEB site provided by the information providing server 9.

(1-2. Configuration of Information Providing Server 9)
The information providing server 9 includes a content processing unit 17, a session management unit 19, a cooperation information processing unit 20, an inquiry unit 21, an inactivation unit 23, an activation unit 25, and content information 27, session information 29, and cooperation information as a database. 37 or the like. The information providing server 9 has a user authentication unit, user information, and the like, but description thereof is omitted here.

  When a login request message or a screen display request message is sent from the terminal device 5, the content processing unit 17 extracts the corresponding content from the content information 27 and provides it to the terminal device 5.

  When a login request message is sent from the terminal device 5, the session management unit 19 issues and registers session information 29. When a predetermined time elapses, the session management unit 19 deactivates the session information 29 by the inactivation unit 23 and holds the session information 29 in an inactive state. Moreover, the session management part 19 will activate the session information 29 of an inactive state by the activation part 25, if the access to the related server 11 of the terminal device 5 by the inquiry part 21 is confirmed.

  The cooperation information processing unit 20 creates the cooperation information 37 when the terminal apparatus 5 accesses the related server 11 and cooperates after logging in to the information providing server 9. The cooperation information processing unit 20 holds the cooperation information 37 in association with the session information 29 together with the identifier of the related server 11 that is the cooperation destination. The cooperation information 37 is sent to and held by the related server 11 that is the cooperation destination.

The inquiry unit 21 sends the cooperation information 37 to the related server 11 to inquire about the access status of the terminal device 5.
Upon receiving an instruction from the session management unit 19, the inactivation unit 23 deactivates predetermined session information 29. The inactivating unit 23 switches the status flag 45 (FIG. 3) of the session information 29 to “OFF” indicating “inactive”.
Upon receiving an instruction from the session management unit 19, the activation unit 25 activates the inactive session information 29. The activation unit 25 switches the status flag 45 (FIG. 3) of the session information 29 to “ON” indicating “active”.

The content information 27 is content such as characters, numerical values, video, images, and audio provided by the information providing server 9 to the terminal device 5.
The session information 29 is issued by the session management unit 19 when a login request message is sent from the terminal device 5. The session information 29 is held in an inactivated state after a predetermined time has elapsed.

  The cooperation information 37 is information indicating cooperation from the information providing server 9 to the related server 11. When the terminal device 5 logs into the information providing server 9 and accesses the related server 11 to cooperate, the cooperation information 37 is created. The cooperation information 37 is held in association with the session information 29 together with the identifier of the related server 11 that is the cooperation destination. Further, the cooperation information 37 is sent to and held by the related server 11 of the cooperation destination. Further, the information providing server 9 sends the cooperation information 37 and inquires the access status of the terminal device 5 to the related server 11 of the cooperation destination.

(1-3. Configuration of related server 11)
The related server 11 is a device such as a computer having a content processing unit 31, an access status confirmation unit 33, and content information 35, linkage information 37, and the like as a database.

When the screen display request message is sent from the terminal device 5, the content processing unit 31 takes out the corresponding content from the content information 35.
When there is an inquiry about the access status of the terminal device 5 from the information providing server 9, the access status checking unit 33 checks the access status of the terminal device 5 corresponding to the cooperation information 37 sent from the information providing server 9 at the time of the inquiry. The access status confirmation unit 33 can confirm the access status of the terminal device 5 based on the session information issued by the related server 11 for the access of the terminal device 5.
The content information 35 is content such as characters, numerical values, video, images, and audio that the related server 11 provides to the terminal device 5.

(2. Hardware configuration)
Next, the hardware configuration of the terminal device 5, the information management server 9, and the related server 11 will be described with reference to FIG.
FIG. 2 is a hardware configuration diagram of the terminal device 5, the information management server 9, and the related server 11. Note that the hardware configuration in FIG. 2 is an example, and various configurations can be adopted depending on the application and purpose.

  The terminal device 5, the information management server 9, and the related server 11 are configured by connecting a CPU 101, a memory 103, a storage unit 105, a display unit 107, an input unit 109, an output unit 111, and a communication unit 113 via a system bus 115. Is done.

  A CPU 101 (Central Processing Unit) is a device that performs operation control of arithmetic devices (four arithmetic operations, comparison operations, etc.), hardware and software.

  The memory 103 is a memory such as a RAM and a ROM. A RAM (Random Access Memory) stores a ROM (Read Only Memory), an OS (Operating System) program read from the storage unit 105, an application program, and the like. The RAM functions as a main memory and work area for the CPU 101.

  The storage unit 105 is a device that stores various data, and is, for example, a hard disk. The storage unit 105 stores a program executed by the CPU 101, data necessary for program execution, an OS, various databases, and the like.

  The display unit 107 is a display device, such as a CRT monitor or a liquid crystal panel. The display unit 107 includes a logic circuit (such as a video adapter) for realizing the video function of the computer.

  The input unit 109 is an input device for various data, such as a keyboard and a mouse. The output unit 111 is an output device for various data, for example, a printer. Drive devices that perform data input / output with various media can also be used as the input unit 109 and the output unit 111.

The communication unit 113 is a communication control device that connects and communicates with an external device via the network 115. For example, Internet communication using TCP / IP is possible.
The system bus 115 is a path that mediates transmission / reception of control signals, data signals, and the like between the devices.

  The terminal device 5, the information management server 9, and the related server 11 load a program (application program, OS program, etc.) stored in the storage unit 105, ROM, or storage medium into the RAM of the memory 103 and control the CPU 101. Various processes are executed below.

(3. Configuration of session information 29 and linkage information 37)
Next, the session information 29 will be described with reference to FIG.
FIG. 3 is a diagram illustrating an example of the configuration of the session information 29.
The session information 29 is information for managing access from the terminal device 5 to the information providing server 9 on a session basis. When a login request message is sent from the terminal device 5, the session management unit 19 creates one record of session information 29.

  The session information 29 includes items such as a session ID 39, a user ID 41, a last update date and time 43, a status flag 45, a cooperation destination server name 47, and a cooperation number 49. When a login request message is sent from the terminal device 5, the session management unit 19 issues a unique session ID 39. The session ID 39 is an ID for identifying a record of the session information 29. The user ID 41 is an ID for identifying the terminal device 5 (user 3) that is the transmission source of the login request message.

  The last update date and time 43 is the last date and time when the terminal device 5 accessed, and is updated every time the terminal device 5 accesses. The last update date and time 43 may be updated every time an operation such as a button click is performed from the terminal device 5. The session management unit 19 monitors the expiration date of the session information 29, the last update date and time 43, and the current time, and the session information 29 is inactivated when a predetermined time (expiration date) elapses from the last update date and time 43.

  The status flag 45 is a flag indicating active or inactive. For example, if the status flag 45 is “ON”, the session information 29 is in an active state, and if the status flag 45 is “OFF”, the session information 29 is in an inactive state.

The cooperation destination server name 47 is information for identifying the related server 11 that the terminal device 5 accesses and cooperates. When the terminal device 5 accesses and cooperates with the plurality of related servers 11 from the information providing server 9, a plurality of cooperation destination server names 47 are associated with one session ID 39.
The cooperation number 49 is unique identification information issued by the cooperation information processing unit 20 when the terminal device 5 accesses the related server 11 of the cooperation destination.

Next, the cooperation information 37 sent at the time of inquiry will be described with reference to FIG.
FIG. 4 is a diagram showing an example of the configuration of the cooperation information 37 sent at the time of inquiry.
When making an inquiry, the cooperation information 37 sent from the information providing server 9 to the related server 11 of the cooperation destination includes at least a cooperation number 49.

(4. Operation of information providing system 1)
Next, the operation of the information providing system 1 will be described with reference to FIGS.
The terminal device 5 receives content from the information providing server 9 and the related server 11 based on the operation of the input unit 13 by the user. The terminal device 5 displays the screens A1 and A2 provided from the information providing server 9 and the screen B1 provided from the related server 11 on the display unit 15.

5 and 6 are flowcharts showing the operation of the information providing system 1.
In the information providing system 1, the information regarding the session is held in an inactive state without being deleted after a predetermined time has elapsed, and is activated when a predetermined condition is satisfied. In the inactive state, information regarding the session cannot be used.

  A top screen 301 is displayed on the display unit 15 of the terminal device 5. The top screen 301 is, for example, a screen of a predetermined WEB site provided by a securities company or the like. The terminal device 5 makes a login request to the information providing server 9 via the top screen 301 (step 1001).

FIG. 7 is a diagram showing a top screen 301 provided by the information providing server 9.
When a “login request button” 61 on the top screen 301 is clicked, a request message 201 for a login request is transmitted from the terminal device 5 to the information providing server 9. The information providing server 9 may request the terminal device 5 to input a user ID, a password, etc., and perform login authentication.

  When the information providing server 9 receives the request message 201 from the terminal device 5, the session management unit 19 creates session information 29. The session management unit 19 registers the created session information 29 (step 1002).

A unique session ID (for example, “S100010”) is issued as the session ID 39. As the user ID 41, a user ID (for example, “U2001”) that identifies the terminal device 5 (user 3) that is the transmission source of the request message 201 is registered.
As the last update date and time 43, the last date and time when the terminal device 5 accessed, for example, “2006/10/15 14:22:00” is registered.

  In the status flag 45, “ON” indicating the active state is stored. While the terminal device 5 is accessing the WEB site provided by the information providing server 9, the last update date and time 43 is continuously updated, and the status flag 45 continues “ON” indicating the active state.

The content processing unit 17 of the information providing server 9 extracts the content 202 from the registered content information 27 and sends it to the terminal device 5 (step 1003).
The terminal device 5 displays the screen (A1) 302 with the content 202 on the display unit 15 (step 1004).

FIG. 8 is a diagram showing a screen (A1) 302 provided by the information providing server 9.
On the screen (A1) 302, buttons and links for accessing the WEB site provided by the information providing server 9 and the related server 11 are displayed.

  The “order” button 66 is an access button to an order screen (screen (A2) 305 in FIG. 11) provided by the information providing server 9. A “market price information” button 63-1 and a “market news” button 63-2 are buttons for accessing information screens provided by the related server 11.

  When the “market price information” button 63-1 on the screen (A 1) 302 is clicked, the terminal device 5 sends a notification message 203 for notifying the information providing server 9 of cooperation with the related server 11, and at the same time, the related server 11. A request message 204 is sent to request display (step 1005). The notification message 203 includes at least a session ID 39 that identifies a record of the session information 29 and identification information of the related server 11 that is a cooperation destination.

  When the information providing server 9 receives the notification message 203, the cooperation information processing unit 20 creates a unique cooperation number 49 (for example, “R1155”). The cooperation information processing unit 20 stores a cooperation destination server name 47 (for example, “B”) and a cooperation number 49 (for example, “R1155”), which are identification information of the related server 11 of the cooperation destination, in association with the session information 29 (see FIG. Step 1006).

The linkage information processing unit 20 creates linkage information 37 including at least the linkage number 49 and sends it to the related server 11 registered as the linkage destination server name 47 (“B”) (step 1007).
The related server 11 of the cooperation destination receives and stores the cooperation information 37 sent from the information providing server 9 (step 1008).

  When the related server 11 receives the request message 204 from the terminal device 5, the content processing unit 31 extracts the requested content 205 from the content information 35 and sends it to the terminal device 5 (step 1009).

The terminal device 5 displays the screen (B1) 303 with the content 205 on the display unit 15 (step 1010).
FIG. 9 is a diagram showing a screen (B1) 303 provided by the related server 11.
On the screen (B1) 303, “market price information” provided by the related server 11 is displayed. On the screen (B1) 303, a “To Order Screen” button 67 for accessing the “Order Screen” provided by the information providing server 9 is arranged.

  When the “to order screen” button 67 is clicked, the terminal device 5 sends a request message 206 to the information providing server 9 to make a display request (step 1011). The request message 206 for the display request includes a session ID 39 for identifying the session information 29 created by the information providing server 9 in step 1002.

Here, when the access from the terminal device 5 to the information providing server 9 continues, the session management unit 19 of the information providing server 9 keeps the status flag 45 of the session information 29 “ON” and performs a session. The active state of the information 29 is maintained.
On the other hand, when the access from the terminal device 5 to the information providing server 9 is interrupted and a predetermined time has elapsed, the session management unit 19 of the information providing server 9 sets the status flag 45 of the session information 29 to “OFF” by the inactivating unit 23. And the session information 29 is inactivated (step 1012).

  The session management unit 19 of the information providing server 9 confirms whether the session information 29 corresponding to the session ID 39 included in the request message 206 is active or inactive.

  If the status flag 45 of the session information 29 is “ON” (active), the content processing unit 17 of the information providing server 9 extracts the content corresponding to the request message 206 from the content information 27 and transmits it to the terminal device 5.

  If the status flag 45 of the session information 29 is “OFF” (inactive), the inquiry unit 21 of the information providing server 9 stores the cooperation information 37 including the cooperation number 49 held in association with the session information 29 in the cooperation destination server. The information is sent to the related server 11 indicated by the name 47 to inquire about the access status of the terminal device 5 (step 1013).

When receiving the cooperation information 37, the access status confirmation unit 33 of the related server 11 confirms the access status of the terminal device 5 corresponding to the cooperation information 37 (step 1014). The access status confirmation unit 33 can confirm the access status of the terminal device 5 based on the session information issued by the related server 11 for the access of the terminal device 5.
The access status confirmation unit 33 returns the access status confirmation result of the terminal device 5 to the information providing server 9 (step 1015).

  When the information providing server 9 obtains a confirmation result that the terminal device 5 has not accessed the related server 11 of the cooperation destination (NO in step 1016), the content processing unit 17 displays the content 207 indicating the error screen 304 in the terminal Transmit to device 5. The terminal device 5 displays the error screen 304 on the display unit 15 (step 1017).

FIG. 10 is a diagram showing an error screen 304.
On the error screen 304, a message 69 such as “The screen cannot be displayed” is displayed. When the “OK” button 71 is clicked, the top screen 301 (FIG. 7) may be displayed again.

  When the information providing server 9 obtains a confirmation result indicating that the terminal device 5 is accessing the related server 11 of the cooperation destination (YES in Step 1016), the activating unit 25 sets the status flag 45 of the corresponding session information 29. Is switched to "ON" and registered, and the session information 29 is activated (step 1018).

  The content processing unit 17 of the information providing server 9 extracts the content 208 requested to be displayed from the content information 27 and sends it to the terminal device 5 (step 1019).

The terminal device 5 displays the screen (A2) 305 with the content 208 on the display unit 15 (step 1020).
FIG. 11 is a diagram showing a screen (A2) 305 provided by the information providing server 9.
On the screen (A2) 305, information / message 73 relating to the order is displayed.

  Through the above process, in the information providing system 1, when the terminal device 5 logs in to the information providing server 9, the information providing server 9 creates and holds session information 29. The terminal device 5 sends an access request to the related server 11 and simultaneously notifies the information providing server 9 of cooperation with the related server 11. The information providing server 9 creates the linkage information 37 and stores it in association with the session information 29 together with the identification information of the linkage destination related server 11, and simultaneously sends the linkage information 37 to the related server 11. When the terminal device 5 makes an access request to the information providing server 9, when the session information 29 is in an inactive state, the information providing server 9 asks the associated server 11 of the cooperation destination about the access status of the terminal device 5. Fit. When it is confirmed that the terminal device 5 is accessing the related server 11 of the cooperation destination, the information providing server 9 activates the session information 29 that is in an inactive state and permits the access of the terminal device 5.

In this way, the information providing server 9 activates the session information in the inactive state when it is confirmed that the terminal device 5 is accessing the linked related server 11, and the terminal device 5 receives login authentication again. The information providing server 9 can be accessed without any problem.
The session information 29 whose expiration date has passed is inactivated without being deleted, and is activated again when it is confirmed that the terminal device 5 is accessing the related server 11 of the cooperation destination. With respect to the activated session information, the session continues, and the information before the inactive state is inherited.

  Communication between the information providing server 9 and the related server 11 is performed regarding transmission / reception of the cooperation information 37 and an inquiry about the access status. The communication line between the information providing server 9 and the related server 11 is connected to the Internet. Information security may be ensured using a different dedicated line.

(5. Access to the information providing server 9 from a plurality of related servers 11 and re-access to the information providing server 9 in the neglected state)
Next, referring to FIG. 12, the access from the plurality of related servers 11 to the information providing server 9 and the re-access to the information providing server 9 in the neglected state will be described.
FIG. 12 is a diagram illustrating screen transition in the display unit 15 of the terminal device 5 and the operation of the information providing system 1.

(5-1. Access from the related server 11-1 to the information providing server 9)
The screen 302, the screen 303-1, the screen 303-2, and the screen 305 are screens displayed on the display unit 15 of the terminal device 5. A screen 302 and a screen 305 are provided from the information providing server 9. A screen 303-1 and a screen 303-2 are provided from the related server 11-1 and the related server 11-2, respectively.

  When the button 63-1 for accessing the related server 11-1 is clicked on the screen 302, the screen 303-1 is displayed on the display unit 15 of the terminal device 5. The information providing server 9 creates linkage information 37-1 and sends it to the related server 11-1. After a predetermined time has elapsed, the session information held in the information providing server 9 is inactivated (step 1012).

  On the screen 303-1, a button 67-1 for accessing the information providing server 9 is clicked. The information providing server 9 inquires the access status of the terminal device 5 to the linked related server 11-1 (step 1013). The information providing server 9 sends the cooperation information 37-1 to the related server 11-1 that is the cooperation destination. The related server 11-1 of the cooperation destination confirms the access status of the terminal device 5 based on the cooperation information 37-1 sent at the time of inquiry and the cooperation information sent and held at the time of cooperation (step 1014-1). ). If it is confirmed that the terminal device 5 is accessing the related server 11-1, the information providing server 9 activates the inactive session information (step 1017), and displays the screen 305 on the display unit 15 of the terminal device 5. Display.

(5-2. Access from the related server 11-2 to the information providing server 9)
When the button 63-2 for accessing the related server 11-2 is clicked on the screen 302, the screen 303-2 is displayed on the display unit 15 of the terminal device 5. The operation when the button 67-2 for accessing the information providing server 9 is clicked on the screen 303-2 is the access to the information providing server 9 from the provision screen 303-1 of the related server 11-1. Since it is the same operation | movement, description is abbreviate | omitted.

When the button 65 for accessing the related server 11-2 is clicked on the providing screen 303-1 of the related server 11-1, the screen 303 provided by the related server 11-2 is displayed on the display unit 15 of the terminal device 5. -2 is displayed.
When the button 67-2 for accessing the information providing server 9 is clicked on the screen 303-2, the information providing server 9 has information about the terminal device 5 accessing the related server 11-2. Since it is not sent, an inquiry about the access status cannot be made to the related server 11-2.
Therefore, when the terminal device 5 displays the providing screen 303-2 of the related server 11-2 from the providing screen 303-1 of the related server 11-1, the terminal device 5 is accessing the related server 11-2. When the terminal device 5 accesses the information providing server 9, the inactive session information 29 cannot be activated.

  Thereby, when the terminal device 5 accesses the related server 11-2 from the related server 11-1 and is temporarily removed from the management of the information providing server 9, the login authentication is performed again when accessing the information providing server 9. It becomes necessary and information security can be tightened. Further, since the information providing server 9 does not need to perform processing for the cooperation between the related servers 11, the burden on implementation is reduced.

(5-3. Re-access to neglected information providing server 9)
The terminal device 5 accesses the related server 11-1 and the related server 11-2 via the provision screen 302 from the information provision server 9. After a predetermined time has elapsed, the session information held in the information providing server 9 is inactivated (step 1012).

  The user 3 clicks a button 66 for accessing a site provided by the information providing server 9 on the screen 302 provided by the information providing server 9 in the neglected state displayed on the display unit 15.

  The information providing server 9 inquires the access status of the terminal device 5 sequentially to the related server 11 of the cooperation destination (step 1013). The information providing server 9 sequentially sends the cooperation information 37 to the related server 11 that is the cooperation destination. The related server 11 of the cooperation destination confirms the access status of the terminal device 5 based on the cooperation information 37-1 sent at the time of inquiry and the cooperation information sent and held at the time of cooperation (step 1014). If it is confirmed that the terminal device 5 is accessing any of the related servers 11, the information providing server 9 activates the inactive session information (step 1017) and displays the screen 305 on the display unit 15 of the terminal device 5. To display.

  As described above, when the terminal device 5 accesses a site provided by the original information providing server 9 from the plurality of related servers 11 or the neglected information providing server 9, the information providing server 9 contacts the related server 11 of the cooperation destination. The link information 37 is sent to inquire about the access status of the terminal device 5. If it is confirmed that the terminal device 5 is accessing any of the related servers 11, the information providing server 9 activates the inactive session information, and the terminal device 5 provides the information without receiving login authentication again. The site provided by the server 9 can be accessed.

(6. Access from related server 11-1 to related server 11-2)
Next, access from the related server 11-1 to the related server 11-2 will be described with reference to FIGS.
When the terminal device 5 accesses and cooperates with the other related server 11-2 from the related server 11-1, it is desirable that the information providing server 9 be configured to be able to grasp the cooperation between the related servers 11. For example, the related server 11-1 may be provided with the cooperative information processing unit 20 and the inquiry unit 21 similarly to the information providing server 9, or the information providing server 9 may hold cooperative information between the related servers 11. .

(6-1. When the related server 11 has the same function as the information providing server 9)
FIG. 13 is a diagram illustrating screen transition in the display unit 15 of the terminal device 5 and the operation of the information providing system 1. FIG. 13 is a diagram illustrating a case where the related server 11 has the same function as the information providing server 9.

When the button 65 for accessing the related server 11-2 is clicked on the providing screen 303-1 of the related server 11-1, the screen 303 provided by the related server 11-2 is displayed on the display unit 15 of the terminal device 5. -2 is displayed.
The related server 11-1 creates and holds the link information 37-2 and sends the link information 37-2 to the related server 11-2. Note that the cooperation information 37-2 in this case is information related to the cooperation between the related server 11-1 and the related server 11-2.

  When the button 67-2 for accessing the information providing server 9 is clicked on the screen 303-2, the information providing server 9 sends the link information 37-1 to the related server 11-1 and the access status of the terminal device 5 (Step 1013). When the terminal device 5 is not accessing the related server 11-1, the related server 11-1 sends the link information 37-2 to the related server 11-2 and inquires about the access status of the terminal device 5 (step 1013-1). ). The related server 11-2 confirms the access status of the terminal device 5 based on the cooperation information 37-2 sent at the time of inquiry and the cooperation information sent and held at the time of cooperation (step 1014-2). If it is confirmed that the terminal device 5 is accessing the related server 11-2, the information providing server 9 activates the inactive session information (step 1017), and displays the screen 305 on the display unit 15 of the terminal device 5. Display.

  In this way, by providing the related server 11 with the same function as the information providing server 9, even if the information providing server 9 does not directly grasp the cooperation between the related servers 11, the terminal device 5 is either If the related server 11 is accessed, the terminal device 5 can receive information from the information providing server 9 without performing another login operation regardless of the access route to the information providing server 9.

(6-2. When Information Providing Server 9 Holds Cooperation Information Between Related Servers 11)
FIG. 14 is a diagram illustrating screen transition in the display unit 15 of the terminal device 5 and the operation of the information providing system 1. FIG. 14 is a diagram illustrating a case where the information providing server 9 holds cooperation information between related servers 11.

When the button 65 for accessing the related server 11-2 is clicked on the providing screen 303-1 of the related server 11-1, the screen 303 provided by the related server 11-2 is displayed on the display unit 15 of the terminal device 5. -2 is displayed.
The related server 11-1 creates and holds the linkage information 37-2 and sends the linkage information 37-2 to the information providing server 9. Note that the cooperation information 37-2 in this case is information related to the cooperation between the related server 11-1 and the related server 11-2. The cooperation information 37-2 is held in the information providing server 9.

  When the button 67-2 for accessing the information providing server 9 is clicked on the screen 303-2, the information providing server 9 sends the link information 37-2 to the related server 11-2 and the access status of the terminal device 5 (Step 1013). The related server 11-2 confirms the access status of the terminal device 5 based on the cooperation information 37-2 sent at the time of inquiry and the cooperation information sent and held at the time of cooperation (step 1014-2). If it is confirmed that the terminal device 5 is accessing the related server 11-2, the information providing server 9 activates the inactive session information (step 1017), and displays the screen 305 on the display unit 15 of the terminal device 5. Display.

  Thus, if the information providing server 9 holds the link information 37 between the related servers 11 by the information providing server 9 and the terminal device 5 is accessing any of the related servers 11, the terminal device 5 Regardless of the access route to the information providing server 9, information can be received from the information providing server 9 without performing another login operation.

(7. When performing distributed processing with multiple information providing servers)
Next, a case where distributed processing is performed by a plurality of information providing servers will be described with reference to FIGS.
FIG. 15 is a configuration diagram of an information providing system 79 that performs distributed processing with a plurality of information providing servers.
The information providing system 79 is configured by connecting the terminal device 5, a plurality of information providing servers 81-1 to 81-3, and the related server 11 via the network 7.

The terminal device 5 is assigned and connected to one of the information providing servers 81-1 to 81-3 by a load balancer 83 (load distribution device). As a load balancing method of the load balancer 83, for example, there is a round robin method.
The information providing servers 81-1 to 81-3 are connected to the session management server 85. The session management server 85 centrally manages session information 29a related to access of the information providing servers 81-1 to 81-3.

FIG. 16 is a diagram showing the configuration of the session information 29a managed by the session management server 85.
FIG. 17 is a diagram showing the cooperation information 37a.

  In the information providing system 79, when the terminal device 5 logs in to any of the information providing servers 81-1 to 81-3, the session management server 85 creates session information 29a.

  For example, the terminal device 5 logs in to the information providing server 81-3 and accesses the related server 11 (step 1005 in FIG. 5). The session management server 85 stores the cooperation destination server name 47 (“B”), the cooperation number 49 (“R1155”), and the information providing server name 87 (“A-03”) in the corresponding record of the session information 29a. (Step 1006).

The linkage information processing unit 20 of the session management server 85 creates linkage information 37a (FIG. 17) including at least the linkage number 49 (“R1155”) and the information providing server name 87 (“A-03”), and the linkage destination. It is sent to the related server 11 indicated by the server name 47 (“B”) (step 1007).
The related server 11 receives and stores the cooperation information 37a sent from the information providing server 81-3 (step 1008).

  When the terminal device 5 accesses the site provided by the information providing server 81-3 from the providing screen of the related server 11 again, the inquiry unit 21 of the session management server 85 has the session information 29a of the terminal device 5 inactive. In this case, the link information 37a is sent to the link destination related server 11 to inquire about the access status of the terminal device 5 (step 1013). If it is confirmed that the terminal device 5 is accessing the linked related server 11 (YES in step 1016), the information providing server 81-3 activates the inactive session information 29a (step 1018). The terminal device 5 can access the site provided by the information providing server 81-3 again without logging in again (step 1019).

  Thus, in the case of a system that performs distributed processing with a plurality of information providing servers, the information providing server has a single configuration by providing a session management server that centrally manages session information of the plurality of information providing servers. The system can be configured in the same manner as above.

(8. Effects, etc.)
As described above in detail, in the information providing system 1 according to the embodiment of the present invention, after confirming the access status of the terminal device 5 to the related server 11 using the cooperation information 37, the information providing server 9 By activating the session information, the login to the information providing server 9 can be continued.

  Even if the session information 29 is inactive because the access to the information providing server 9 is interrupted, the terminal device 5 does not receive the login authentication again if the access to the related server 11 is continued. The information providing server 9 can be accessed. Therefore, operability can be improved.

  Further, even if the terminal device 5 continues to access the related server 11 from the provision screen of the original information providing server 9 that is left unattended, the information providing server 9 is accessed without receiving login authentication again. can do. Therefore, operability can be improved.

  Further, at the time of accessing the related server 11 of the terminal device 5 or inquiring access status, the cooperation information 37 sent from the information providing server 9 to the related server 11 only needs to include the cooperation number 49 at a minimum. . Therefore, by using the cooperation information 37 with a small amount of information as communication information transmitted to the network 7, it is possible to prevent information leakage and ensure safety.

  Further, an expiration date may be provided for the cooperation information 37. By invalidating the cooperation information 37 when the expiration date has passed, unauthorized access from a third party can be prevented and information security can be ensured.

  Further, the session information that has been changed from the inactive state to the active state continues, and the information before the inactive state is taken over, so that the operability can be improved.

  The preferred embodiments of the information providing server and the information providing system according to the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to such examples. It will be apparent to those skilled in the art that various changes or modifications can be conceived within the scope of the technical idea disclosed in the present application, and these are naturally within the technical scope of the present invention. Understood.

Configuration diagram of information providing system 1 The figure which shows the hardware constitutions of the information provision server 9, the related server 11, and the terminal device 5. The figure which shows the session information 29 The figure which shows an example of a structure of the cooperation information 37 sent at the time of an inquiry Flow chart showing the operation of the information providing system 1 Flow chart showing the operation of the information providing system 1 The figure which shows the top screen 301 which the information provision server 9 provides The figure which shows the screen (A1) 302 which the information provision server 9 provides The figure which shows the screen (B1) 303 which the related server 11 provides Diagram showing error screen 304 The figure which shows screen (A2) 305 which the information provision server 9 provides The figure which shows the screen transition in the display part 15 of the terminal device 5, and operation | movement of the information provision system 1. FIG. The figure which shows the screen transition in the display part 15 of the terminal device 5, and operation | movement of the information provision system 1. FIG. The figure which shows the screen transition in the display part 15 of the terminal device 5, and operation | movement of the information provision system 1. FIG. Configuration diagram of an information providing system 79 that performs distributed processing with a plurality of information providing servers The figure which shows the session information 29a The figure which shows the cooperation information 37a

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,79 ......... Information provision system 3 ......... User 5 ......... Terminal device 7 ......... Network 9, 81-1 to 81-3 ......... Information provision server 11 ......... Related server 13 ......... Input unit 15... Display unit 17, 31... Content processing unit 19 ...... Session management unit 20 ...... Linked information processing unit 21 ...... Inquiry unit 23 ...... Deactivation unit 25 ...... Activation unit 27, 35 ......... Content information 29, 29a ......... Session information 33 ......... Access status confirmation unit 37, 37-1, 37-2 ......... Linking information 39 ......... Session ID
41 ……… User ID
43 ......... Last update date 45 ......... Status flag 47 ......... Cooperation destination server name 49 ......... Cooperation number 61 ......... "Login request" button 63-1, 63-2 ... …… button (information provision) Server 9 → Related server 11)
65... Button (related server 11-1 → related server 11-2)
66... Button (information providing server 9 → information providing server 9)
67, 67-1, 67-2 ..... "To order screen" button (related server 11-> information providing server 9)
69, 73 ......... Message 83 ......... Load balancer 85 ......... Session management server 87 ......... Information providing server name 101 ......... CPU
103 ......... Memory 105 ......... Storage unit 107 ......... Display unit 109 ......... Input unit 111 ......... Output unit 113 ......... Communication units 201, 204, 206 ......... Request messages 202, 205, 207 208 ......... Contents 203 ......... Link notification message 301 ......... Top screen 302 ......... Screen A1 (screen provided from the information providing server 9)
303 ..... screen B1 (screen provided from related server 11)
304... Error screen 305... Screen A2 (provided screen from information providing server 9)

Claims (11)

An information providing server that is connected to at least one terminal device and at least one related server via a network and provides various types of information,
Session management means for managing session information related to access from the terminal device;
An inactivation means for inactivating the session information when a predetermined time has elapsed;
When the terminal device accesses and links with the related server, it creates link information and sends it to the link destination related server, and associates the link information with the session information together with the identifier of the link destination related server. Linked information processing means
When the session information about the terminal device is inactive at the time of an access request from the terminal device, the cooperation information is sent to the related server of the cooperation destination to inquire about the access status of the terminal device Inquiry means;
As a result of the inquiry, when it is confirmed that the terminal device is accessing the related server, activation means for activating the deactivated session information;
An information providing server comprising:   The information providing server according to claim 1, further comprising a warning unit that issues a warning when it is confirmed that the terminal device has not accessed the related server as a result of the inquiry by the inquiry unit.   The information providing server according to claim 1, wherein the cooperation information processing unit holds identification information of a cooperation source information providing server in association with the session information.   The information providing server according to claim 1, wherein the session information holds a flag indicating the activity or the inactivity.   The information providing server according to any one of claims 1 to 4, further comprising a net position information transmitting unit that transmits net position information of the related server to the terminal device.   6. The information providing server according to claim 1, wherein the related server sends net position information of the information providing server to the terminal device.   The said related server is equipped with the said cooperation information processing means and the said inquiry means similarly to the said information provision server regarding the cooperation with the said related server and another related server, The said inquiry server is characterized by the above-mentioned. The information providing server described in any of the above. The related server creates link information and sends it to the information providing server regarding link between the related server and another related server,
The said information provision server sends the cooperation information sent from the said related server to the said other related server, and inquires the access condition of the said terminal device, Any one of Claim 1-7 Information providing server described in 1. At least one terminal device, an information providing server that provides various information to the terminal device, and at least one related server that can be accessed by the terminal device authenticated by the information providing server are connected via a network. An information providing system,
The information providing server includes:
Session management means for managing session information related to access from the terminal device;
An inactivation means for inactivating the session information when a predetermined time has elapsed;
When the terminal device accesses and links with the related server, it creates link information and sends it to the link destination related server, and associates the link information with the session information together with the identifier of the link destination related server. and linkage information processing means that holds Te,
When the session information about the terminal device is inactive at the time of an access request from the terminal device, the cooperation information is sent to the related server of the cooperation destination to inquire about the access status of the terminal device Inquiry means;
As a result of the inquiry, when it is confirmed that the terminal device is accessing the related server, activation means for activating the deactivated session information;
Comprising
The related server is
Cooperation information holding means for holding the cooperation information sent from the information providing server when the terminal device is accessed;
Access status confirmation means for confirming the access status of the terminal device based on the linkage information held by the linkage information holding means and the linkage information sent in the case of an inquiry from the information providing server;
Confirmation result transmission means for sending a confirmation result by the access status confirmation means to the information providing server;
An information providing system comprising:   A program that causes a computer to function as the information providing server according to any one of claims 1 to 8. A computer-readable recording medium having recorded thereon a program that causes the computer to function as the information providing server according to any one of claims 1 to 8.

Images