WO2009093518A1 - サーバ、システム、及びコンテンツ表示制御方法 - Google Patents
サーバ、システム、及びコンテンツ表示制御方法 Download PDFInfo
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- WO2009093518A1 WO2009093518A1 PCT/JP2009/050479 JP2009050479W WO2009093518A1 WO 2009093518 A1 WO2009093518 A1 WO 2009093518A1 JP 2009050479 W JP2009050479 W JP 2009050479W WO 2009093518 A1 WO2009093518 A1 WO 2009093518A1
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- Prior art keywords
- terminal
- content
- information
- server
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- Prior art date
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
- H04L63/107—Network architectures or network communication protocols for network security for controlling access to devices or network resources wherein the security policies are location-dependent, e.g. entities privileges depend on current location or allowing specific operations only from locally connected terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
- H04W48/04—Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction, speed
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2111—Location-sensitive, e.g. geographical location, GPS
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2129—Authenticate client device independently of the user
Definitions
- the present invention relates to an information browsing system including a terminal using wireless communication, and more particularly to a technique for preventing information leakage.
- Patent Document 1 discloses a technique for determining permission / non-permission of access to a server using a telephone number of a terminal (mobile phone) as an identification code in the same system as described above.
- the telephone numbers of accessible terminals are registered in advance. The terminal having the registered telephone number can browse information stored in the server regarding the group to which the terminal belongs. On the other hand, access to unregistered terminals is not permitted.
- the above-mentioned authentication control 1) is possible to some extent.
- an unauthorized user such as theft holds an authorized terminal, leakage of information in the server cannot be prevented.
- Patent Document 2 proposes a system that restricts access to a specific server using a terminal identifier and an access location.
- a terminal that can access the point, an access location, and the like are set in advance. For this reason, unless the set terminal makes an access request to the point from the set access location, the information in the server cannot be browsed.
- Patent Document 2 cannot sufficiently solve the problem of unauthorized users. This is because a malicious third party as described above can access the server from the place and time when access is permitted.
- Patent Document 2 is not realistic considering the case where employees browse internal data during a business trip. Even if the business trip is limited to Japan, for example, travel between several hundred kilometers is required as in Tokyo Osaka. In order to cover such a huge area, it takes a lot of time and money to install a specific wireless LAN point.
- an object of the present invention is to provide a system in which a legitimate user can view information in a server from a point far from the server, and further prevent leakage of information in the server. .
- a server is a server for distributing content to a predetermined terminal, and a storage device for storing a terminal usage schedule indicating a terminal usage schedule in association with an identifier of the terminal.
- Each terminal usage schedule includes one or more action schedules.
- Each of the action schedules includes a date / time item for specifying the date / time and a location item for specifying the planned position of the terminal at the date / time.
- the server further includes a receiving device for receiving a distribution request regarding the content.
- the distribution request includes an identifier of the transmission terminal that has transmitted the distribution request, location information, and a content identifier that requests distribution.
- the server further stores a timing device for specifying the reception date and time of the distribution request, the positional information included in the distribution request, the reception date and time specified by the timing device, and the identifier of the transmission terminal included in the distribution request.
- a timing device for specifying the reception date and time of the distribution request, the positional information included in the distribution request, the reception date and time specified by the timing device, and the identifier of the transmission terminal included in the distribution request.
- a distribution device for distributing the content identified by the content identifier to the transmission terminal.
- the storage device stores an identifier of a terminal that makes a content distribution request in advance and an action schedule that specifies the date and time where the content distribution request is scheduled before the predetermined terminal makes a content distribution request.
- the receiving device receives, in addition to the content identifier, the identifier of the transmission terminal of the distribution request and the position information related to the distribution request.
- the distribution control device uses the received location information, the reception date and time when the distribution request is received, and the terminal use stored in the storage device in association with the identifier
- the action schedule included in the schedule is compared to determine whether to distribute the content. If it is determined as a result of the comparison that the content is to be distributed, the distribution device distributes the content to the transmission terminal.
- the server distributes the content to the terminal. If for some reason the date and time, location, and distribution request terminal are unscheduled, the server will not distribute the content. With this server, information in the server can be viewed from a terminal in a secure environment.
- the distribution control device includes a use schedule reading device for reading from the storage device a terminal usage schedule associated with the identifier of the transmission terminal included in the distribution request, a reception date and time, and a distribution request. Whether the position information included matches the action schedule specified by the date / time item and the place item included in one or more action schedules included in the terminal use schedule read by the use schedule reading device.
- the position information is Whether or not it matches the scheduled travel route specified by the two date / time items and the two position information respectively included in the two consecutive action plans read by the use schedule reading device
- the second determination device for determination and the first determination device or the second determination device the reception date and time and the position information included in the distribution request are specified in the specified action schedule or the specified planned movement route.
- a determination device for determining that the content is to be distributed if it is determined to match.
- the first determination device When receiving a distribution request for content from a terminal whose identifier is stored in the storage device, the first determination device stores the received location information, the reception date and time when the distribution request is received, and the storage device in association with the identifier. Compare the action schedule that is stored. When the reception date / time and the position indicated by the position information match the date / time and location specified by any of the action plans, the first determination device determines content distribution. When the reception date and time and the position indicated by the position information do not match any of the date and place specified in the action schedule, the second determination device determines the movement schedule specified by the position information of two consecutive action schedules, respectively. When the route and the position indicated by the position information match, content distribution is determined.
- the server When there are a plurality of action schedule information that specifies the date and position and the position of the content distribution request stored in advance, the server performs the distribution request at the position related to the stored date and time and the two consecutive action schedules.
- the content is distributed in response to the distribution request in the determined planned movement route. In other cases, the content is not distributed.
- information in the server can be viewed from a terminal in a secure environment.
- the server further includes a content storage device for storing content and a user information storage device for storing information of a user who uses the terminal.
- the user information storage device stores, as user information, access permission folder information indicating a storage area in which content permitted to be distributed to the user is stored in the content storage device.
- the use schedule of the terminal includes user information.
- the server creates a content identifier list of content included in the storage area of the content storage device specified by the user's access-permitted folder information. Further includes a device for transmitting to.
- the server records the content permitted to be distributed to the user of the terminal by dividing the storage area of the content storage device.
- the access permission folder information is information indicating a storage area permitted for each user.
- the server refers to the storage area, creates a content identifier list of the included content, and transmits it to the terminal.
- the area for storing content that is permitted to be distributed is different for each terminal user, and a list of content identifiers that can be distributed is transmitted in response to the use schedule being stored.
- the server further includes a display device for displaying various types of information, and a device for displaying the use schedule of the terminal on the display device.
- the display device By using the display device, it is possible to confirm the use schedule more reliably, and it is possible to prevent an application for unauthorized use of the terminal.
- the server stores the use schedule of the terminal in the storage device, or in response to being instructed not to store, the server indicates that the registration of the use schedule has been permitted or not permitted, respectively. Further included is a device for transmitting the message.
- the place item includes position information, and the position information is latitude and longitude information.
- the position of the terminal can be grasped more reliably by using the latitude and longitude information transmitted from the terminal, and the content distribution is stopped when it is out of the planned use place. As a result, more secure information management can be performed.
- the server is a device for transmitting an access permission notification or an access non-permission notification to the terminal in response to the determination device determining that the content is to be distributed or not distributed, respectively. Further included.
- the system according to the second aspect of the present invention is a content distribution system including a predetermined terminal and a server for distributing content to the terminal.
- the server includes a storage device for storing a terminal usage schedule indicating a terminal usage schedule in association with an identifier of the terminal.
- Each terminal usage schedule includes one or more action schedules.
- Each of the action schedules includes a date / time item for specifying the date / time and a location item for specifying the planned position of the terminal at the date / time.
- the terminal includes a position information acquisition device for acquiring position information indicating a position where the terminal exists, an identifier of the terminal, position information, and a content identifier of content requested to be distributed to the server.
- a distribution requesting device for transmitting a content distribution request to a server.
- the server further includes a receiving device for receiving a distribution request for content from the terminal, a timing device for specifying the date and time when the distribution request is received, location information included in the distribution request, and a reception specified by the timing device.
- a distribution control device for determining whether or not to distribute content by comparing a date and time with a terminal use schedule stored in a storage device in association with an identifier of a terminal included in the distribution request, and distribution control A distribution device for distributing to the terminal content identified by the content identifier in response to the content being determined to be distributed by the device, wherein the terminal is further from the server in response to the distribution request
- a content display device for receiving and displaying the content distributed to the terminal.
- the server stores the identifier of the terminal that makes the content distribution request in advance and the action schedule that specifies the date and time where the content distribution request is scheduled before making a content distribution request.
- the terminal transmits the identifier and position information of the terminal together with the content identifier to the server.
- the server receives the content distribution request from the terminal and the received identifier of the terminal is stored in the storage device, the server stores the received location information, the reception date and time when the distribution request is received, and the identifier in association with the received information. It is determined whether or not to distribute the content by comparing with an action schedule included in the terminal use schedule stored in the device. As a result of the comparison, when it is determined to distribute the content, the server distributes the content to the terminal.
- the terminal displays the content distributed from the server.
- the server distributes the content to the terminal. If for some reason the date and time, location, and distribution request terminal are unscheduled, the server will not distribute the content. With this system, information in the server can be viewed from a terminal in a secure environment.
- the server includes a use schedule reading device for reading, from the storage device, the distribution control device that is associated with the identifier of the transmission terminal included in the distribution request among the terminal use schedules.
- the reception date / time and the location information included in the distribution request are specified by the date / time item and the location item included in one or a plurality of action schedules included in the terminal use schedule read by the use schedule reading device.
- the first determination device for determining whether or not the action schedule matches the action schedule, and the first determination apparatus determines that the reception date and time and the position information included in the distribution request do not match the action schedule specified.
- the position information is included in two date / time items and two position information respectively included in two consecutive action plans read by the use schedule reading device.
- the second determination device for determining whether or not the scheduled movement route specified by the first and second determination devices and the first determination device or the second determination device match the reception date and time and the location information included in the distribution request. And a determination device for determining that the content is to be distributed when it is determined that the specified action schedule or the specified scheduled movement route is met.
- the server further includes a content storage device for storing content, and a user information storage device for storing information of a user who uses the terminal.
- the user information storage device stores, as user information, access permission folder information indicating a storage area in which content permitted to be distributed to the user is stored in the content storage device.
- the use schedule of the terminal includes the user information.
- the server creates a content identifier list of content included in the storage area of the content storage device specified by the user's access-permitted folder information.
- the terminal further includes a device for receiving and displaying the content identifier list transmitted by the device for transmitting to the terminal.
- the server in response to an instruction not to store the use schedule of the terminal in the storage device, the server is permitted or not permitted to register the use schedule for each terminal. And a device for transmitting a message to the terminal.
- the terminal further includes a device for receiving and displaying a message by the device for transmitting.
- the server further includes a display device for displaying various types of information, and a device for displaying the use schedule of the terminal on the display device.
- the place item includes position information, and the position information is latitude and longitude information.
- the server sends an access permission notification or an access non-permission notification to the terminal in response to the determination device determining whether to distribute the content or not to distribute the content.
- a device for transmitting is further included.
- the terminal further includes an apparatus for receiving an access permission notification or an access non-permission notification and performing a process corresponding to each.
- the content display control method responds to a content distribution request transmitted from an arbitrary terminal, distributes the content to the terminal that transmitted the distribution request, and distributes the content to the server Content display in a content distribution system, including a terminal that transmits a request and displays content distributed from a server in response to the distribution request, and a storage device that stores a terminal use schedule indicating a use schedule of the terminal It is a control method.
- Each of the terminal use schedules includes one or a plurality of action schedules, and each of the action schedules includes a date / time item for specifying the date / time and a location item for specifying the scheduled position of the terminal at the date / time.
- the storage device stores in advance an action schedule that specifies the date and time and the place where a content distribution request is to be made by a certain terminal.
- the position information and date / time information of the terminal at the time of transmission are compared with the action schedule stored in the storage device.
- the content display control step enables or disables display of the content distributed from the server to the terminal in response to the distribution request.
- the terminal requests content distribution according to the stored content distribution request date / time and location schedule, the content is displayed on the terminal. If the date / time, location, and distribution request terminal are unscheduled for some reason, no content is displayed on the terminal.
- this content display control method information in the server can be browsed from a terminal in a secure environment.
- comparison step in the content display control method includes control on the terminal side, control on the server side, and control on both the terminal and the server.
- the content display control step Means that a distribution request from the terminal to the server is not made.
- the storage device stores terminal use schedules of arbitrary plural terminals.
- the terminal use schedule of the distribution request transmitting terminal needs to be specified from the plurality of terminal use schedules. For this reason, in this case, the storage device stores the identifier of the distribution request transmitting terminal and the action schedule in association with each other.
- the comparison in the comparison step is performed on both the terminal and the server.
- the comparison is made between both the terminal and the server, and only when a predetermined relationship is found between the date / time and location information of the terminal and the content of the action schedule. The display of the distribution request content on the terminal is realized.
- the erroneous processing in the comparison step is, for example, a case where, in terminal control, a time measuring device in the terminal measures a time different from the actual time and this is reflected in the date / time information of the terminal.
- a time measuring device in the terminal measures a time different from the actual time and this is reflected in the date / time information of the terminal.
- the communication infrastructure traffic between the terminal and the server is jammed, and there is a time difference between the delivery request execution time to the server of the terminal and the execution time of the comparison step.
- the position and date / time information of the terminal serving as a reference is different from the actual one.
- the system it is possible for a legitimate user to view information in the server in a secure environment from a point far from the server.
- the information in the server must be from the date and place specified by the action schedule stored in advance in the server, and from the planned movement route specified by two consecutive action schedules. Cannot be viewed. For this reason, even if a legitimate terminal belonging to the system is stolen, it is difficult for an unauthorized person to view in-house data. As a result, the risk of information leakage can be reduced.
- FIG. 1 is a schematic block diagram of a system 10 according to a first embodiment of the present invention. It is a schematic block diagram of the terminal 20 shown in FIG. It is a schematic block diagram of the management server 26 shown in FIG. It is a schematic diagram for demonstrating the aspect of the screen displayed on the terminal 20 for the business trip applicant to perform a business trip application process. It is a schematic diagram for demonstrating the aspect of the screen displayed on the terminal 20 for a business trip applicant to browse company data. It is a figure which shows the structure of the packet data transmitted / received between the terminal 20 and the management server 26. FIG. It is a figure which shows the structure of employee DB360 memorize
- FIG. 16 is a flowchart of a program for determining whether access is permitted, which is activated in step 514 in FIG. 13, step 534 in FIG. 14, and step 552 in FIG. 15.
- the terminal user transmits in advance the date and place to browse the information in the server remotely from the terminal to the server.
- the terminal and the server store the scheduled browsing date and location, respectively.
- the server determines that the request point and the location of the terminal have a predetermined relationship between the stored scheduled browsing date and location (for example, date and location). If a match is found, the terminal is allowed to browse the information in the server.
- the above-described two authentication controls that is, 1) whether or not the terminal is authorized and 2) whether or not the user is authorized are performed by a terminal identifier and a password, respectively.
- the in-server information is browsed via a mobile phone network. For this reason, the terminal can browse the information in the server within the communication range of the mobile phone.
- the system shown in the embodiment described below is for browsing in-house information with a terminal when an employee is on a business trip in a company.
- the terminal Before the business trip, the terminal transmits a business trip application to the server in advance.
- the server approves the business trip application. Only the access from a specific terminal and user at the date and place related to the approved business trip is permitted to the server.
- the present invention is not limited to such an embodiment.
- FIG. 1 shows an outline of the in-house information browsing system according to the first embodiment in the form of a block diagram.
- this system 10 includes a terminal 20 having a telephone function and the like, a plurality of other terminals (not shown), and a management server 26.
- the configurations of the terminal 20 and the plurality of terminals are basically the same. Therefore, in the following description, only the basic configuration of the terminal 20 will be described.
- the terminal 20 performs wireless communication with a telephone network communication unit 40 for performing wireless communication with the Internet 22 via a mobile phone network called 3G (3rd Generation), and with an in-house LAN (Local Area Network) 24 via WiFi (Wireless Fidelity). For wireless communication.
- 3G Mobile phone network
- WiFi Wireless Fidelity
- the terminal 20 has an S / N (Serial Number) as an identifier on the system assigned by the system administrator, and is assigned one-to-one to employees who use the system. S / N will be described later.
- S / N Serial Number
- the employee to which the terminal 20 is assigned is called a business trip applicant.
- the management server 26 is connected to the Internet 22, and is connected to the first communication unit 90 for communicating with the terminal 20 outside the communicable area of the in-house LAN 24 via the Internet 22, and connected to the in-house LAN 24.
- a second communication unit 92 for communicating with the terminal 20 in the communicable area of the LAN 24 is included.
- the management server 26 is used by employees in a position to approve business trip applications.
- the management server 26 processes a business trip application and a browsing request for information in the server from a plurality of terminals such as the terminal 20.
- a business trip approver an employee who uses the management server 26 is referred to as a business trip approver.
- the management server 26 receives only a business trip application from the terminal 20 and a browsing request for information in the server and performs processing.
- the terminal 20 makes one business trip application
- only the processing related to the business trip application and browsing of information in the server is executed until the business trip application is rejected or the business trip application is approved and the period of the business trip ends. It shall be.
- the management server 26 approves the business trip application received from the terminal 20, it executes only the processing related to the business trip application and information browsing in the server.
- FIG. 2 shows an outline of the terminal 20 in a block diagram format.
- terminal 20 in addition to telephone network communication unit 40 and wireless communication unit 42, terminal 20 is connected to telephone network communication unit 40 and has a first antenna 44 for communication with Internet 22, Connected to the communication unit 42 and connected to the second antenna 46 for communicating with the in-house LAN 24, and connected to the telephone network communication unit 40, and voice input for inputting / outputting voice via the telephone network communication unit 40
- An output unit 48, a display unit 50 for displaying a screen related to a business trip application and in-house data browsing desired by the business trip applicant, and an input of the business trip applicant into a control signal and outputting it to a control unit described later
- GPS Global Positioning System.
- the control unit 60 includes a CPU (Central Processing Unit) 70 that realizes the above-described functions by executing the above-described predetermined program, a ROM (Read Only Memory) 72, and a RAM (Random Access Memory) 74.
- a CPU Central Processing Unit
- ROM Read Only Memory
- RAM Random Access Memory
- FIG. 3 shows an outline of the management server 26 in a block diagram format.
- the management server 26 converts the display unit 94 and the user input into a control signal and outputs the control signal to a later-described control unit.
- the operation unit 96, the time measuring unit 100, the first and second communication units 90 and 92, the display unit 94, the operation unit 96, and the time measuring unit 100 are connected to each other and controlled according to a predetermined program.
- a control unit 102 for realizing a function for approving / rejecting a business trip application received from the terminal 20, a function for permitting / disallowing an internal data browsing request from the terminal 20, and a general function as a management server;
- a storage unit 98 connected to the control unit 102 for storing various functions such as a program for realizing the functions of the control unit 102 and a business trip application DB (Data Base) and an employee DB described later. Including the.
- the control unit 102 includes a CPU (Central Processing Unit) 110 that realizes the above-described functions by executing the above-described predetermined program, and a ROM (Read Only Memory) 112 and a RAM (Random Access Memory) 114.
- a CPU Central Processing Unit
- ROM Read Only Memory
- RAM Random Access Memory
- FIG. 4 shows an external view of the terminal 20 and an example of a screen for executing a business trip application according to a business trip applicant instruction, which is stored in the storage unit 54 shown in FIG. 2 and displayed on the display unit 50 of the terminal 20. Show.
- terminal 20 has a flat rectangular parallelepiped shape and includes a housing having an upper surface provided with display unit 50 and various button pads.
- the various button pads are provided below the display unit 50, f1 to f6 buttons 114 for performing menu screen display and other processing, cursor keys 115 for moving the cursor position of the display unit 50, and the display unit 50.
- a determination button 117 for the business trip applicant to operate when executing the processing of the button selected by the cursor key 115, a numeric keypad provided under the above-described buttons 114 of f1 to f6, etc. There is.
- the screen 118 is an example of a menu screen for making a business trip application that is displayed when the f1 button 116 is pressed during initial screen display.
- the screen 118 has a business trip application button 120 for making a business trip application, an internal data browsing button 122 for executing browsing of internal data during a business trip period applied by the business trip application, and the processing for completing the business trip application.
- 50 includes an end button 124 for displaying an initial screen.
- a business trip application button 120 and an end button 124 can be selected.
- the in-house data browsing button 122 cannot be selected because a business trip application has not yet been made.
- FIG. 4B shows a screen 140 that is displayed when the business trip application button 120 shown in FIG. 4A is pressed and receives route information of the business trip in the business trip application.
- screen 140 includes a business establishment name 160 to which a business trip applicant belongs as a departure (return to office) location.
- the establishment name 160 is set in advance when the administrator of this system assigns the terminal to each business trip applicant. The business trip applicant cannot change the establishment name 160 by himself / herself.
- the screen 140 further includes a field 162 for receiving a departure time for a business trip, a field 164 for receiving an input time for a business trip, and an f2 button 166 for displaying a screen for displaying destination (business trip destination) candidates.
- the route information created by the business trip application includes information on multiple destinations. Information on destinations is given names in ascending order, such as destination 1 and destination 2, in time series.
- the screen 140 receives, displays, and stores information related to the destination 1. When the next page of the screen 140 is displayed by the operation of the page button 174, the next page includes the same display, fields, and buttons as the screen 140. Information input on the next page is stored in the storage unit 54 as information on the destination 2. The same applies to the next page. Details of the route information will be described later.
- FIG. 4C shows a screen 190 that displays destination candidates displayed when the f2 button 166 shown in FIG. 4B is pressed.
- the screen 190 displays a destination list 210 that lists destination candidates, and when the cursor is placed on one of the destination lists 210 and selected, the one company is set as the destination. It includes an input button 212 for registration, and a cancel button 214 that cancels the selection of the destination and returns the display to the screen 140. Note that after the input button 212 is pressed, the screen 140 updated to the destination name selected is displayed.
- FIG. 5 shows an example of a screen that is stored in the storage unit 54 shown in FIG. 2 and displayed on the display unit 50 for a business trip applicant to browse internal data during a business trip period.
- screen 228 is displayed.
- the screen 228 is the same as the screen 118 shown in FIG. 4A, but the business trip application button 120 is not selectable, and the in-house data browsing button 122 and the end button 124 are selectable.
- FIG. 5B shows a screen 230 that is displayed when the in-house data browsing button 122 shown in FIG. 5A is pressed and for performing an authentication operation related to in-house data browsing.
- a screen 230 is used to execute a column 250 for receiving the user name of the user, a column 252 for receiving a password, and access to in-house data after entering the user name and password.
- the confirmation button 254 is included.
- FIG. 5C shows the case where the confirmation button 254 is pressed after the user name and password are entered in the fields 250 and 252 shown in FIG. 5B, and the terminal 20 is allowed to access internal data.
- a screen 270 to be displayed is shown. Referring to FIG. 5C, screen 270 includes a list 290 of data that the user is permitted to view, a page button 292 for displaying the previous page or the next page of list 290, and list 290.
- An acquisition button 294 for executing acquisition of the selected data and an end button 296 for ending the in-house data browsing operation and returning the display to the screen 228 are included.
- FIG. 5D is a screen 310 displayed when the selected in-house data is acquired after the acquisition button 294 shown in FIG. 5C is pressed.
- the screen 310 ends the display of the acquired data 330, the page button 332 for displaying the previous page or the next page of the acquired data 330, and the data 330.
- An end button 334 for displaying the screen 270 and a view end button 336 for ending the in-house data browsing and returning the display to the screen 228 are included.
- FIG. 6 is a diagram showing the data structure of various packets transmitted and received between the terminal 20 and the management server 26 in a business trip application and in-house data browsing work during the applied business trip period.
- the packet includes user information packet 351, route information packet 352, approval notification packet 353, rejection notification packet 354, access permission notification packet 355, access disapproval notification packet 356, data request packet 357, data
- the route information is stored in the storage unit 54 in the same format as the route information packet 352.
- the user information packet 351 includes a user name, a password, and S / N information of the terminal 20.
- the user information packet 351 is generated by the CPU 70 shown in FIG. 2 with the S / N stored in advance in the storage unit 54 added thereto.
- the route information packet 352 is a packet that is created by the CPU 70 and stored in the storage unit 54 as a record (route information) when a business trip application is registered in the terminal 20.
- the route information packet 352 includes the number of points (including destinations, side departures, and return points) through the business trip, latitude information, longitude information, a geodetic system of latitude and longitude information, and the points. Includes a start time and an end time of the scheduled time zone in which the business trip applicant stays. This packet is stored in the business trip application DB described later in association with the user name information and the terminal S / N information.
- each record item included in the route information packet 352 is shown on the right side of the route information packet 352 shown in FIG.
- the number of cases is cnt
- the latitude and longitude information is route [i].
- PA start time is route [i].
- st end time is route [i]. It is shown as et.
- Each point is assigned an integer value of 0 or 1 in time series.
- An approval notification packet 353, a rejection notification packet 354, an access permission notification packet 355, and an access disapproval notification packet 356 are created by the CPU 110 shown in FIG. Sent to.
- the approval notification packet 353 includes information indicating notification of approval for the business trip application
- the rejection notification packet 354 includes information indicating notification of rejection.
- the access permission notification packet 355 includes information indicating that access is permitted when an internal data browsing request is made from the terminal 20 during the requested business trip period, and the access non-permission notification packet 356 does not permit access. Each of them includes information to notify.
- the data request packet 357 includes information such as a path of in-house data that the terminal 20 requests for distribution.
- the data request packet 357 is created by the CPU 70 when the business trip applicant selects the data requested for distribution.
- the data list packet 358 includes information such as the number of data permitted to be browsed by the terminal 20 and the business trip applicant, and paths related to each data.
- the current position information packet 359 includes current position information of the terminal 20 acquired by the GPS 56 shown in FIG. 2, that is, latitude information, longitude information, and geodetic system information of latitude and longitude information.
- the current position information packet 359 is created by the CPU 70 every time the GPS 56 acquires the current position information of the terminal 20 by a program process described later.
- FIG. 7 shows an example of the configuration of the employee DB 360 stored in the storage unit 98 in the management server 26 shown in FIG.
- employee DB 360 includes the number of data and records for each user (business trip applicant).
- Each record includes a user name, password, affiliation, and path information to a folder of in-house data accessible to the business trip applicant. In this case, it is assumed that the business trip applicant is permitted to browse the data in the folder related to the affiliation to which he belongs.
- the storage unit 98 stores a business trip application DB (not shown).
- Each record of the business trip application DB includes the user name and terminal S / N information included in the user information packet 351 and the route information included in the route information packet 352 transmitted from the terminal 20 to which the business trip application has been approved. .
- the storage unit 98 stores data list information that can be browsed by the terminal 20 included in the data list packet 358 related to the terminal 20 in association with the terminal S / N.
- FIG. 8 is a flowchart showing a control structure of a program for executing a business trip application and browsing internal data during a business trip period, which is executed by the CPU 70 shown in FIG.
- the main program for the business trip application and in-house data browsing process executed by CPU 70 is the f1 button 116 shown in FIG. It is activated in response to the pressing, and is executed after step 400 for starting a business trip application process, which will be described later, and it is determined whether or not the business trip applicant has instructed browsing of in-house data.
- step 402 it is executed in response to the determination that the in-house data browsing instruction has been issued, and the in-house data browsing process described later is started to end the in-house data browsing process.
- Step is executed to determine whether or not the business trip applicant has instructed to end browsing of in-house data. If there is an end instruction, the process ends. If there is no end instruction, the process returns to step 402. 406.
- FIG. 9 is a flowchart showing a control structure of a program for making a business trip application executed in step 400 shown in FIG.
- this program receives an input from a business trip applicant on screens 118, 140, and 190 shown in FIGS. 4A, 4B, and 4C, as shown in FIG. Step 410 for storing the route information having the same structure as the route information packet 352 in the storage unit 54, the route information packet 352 executed after step 410 and assembled from the route information stored in step 410, and the terminal 20.
- a step 412 for transmitting a user information packet 351 as shown in FIG. 6 to the management server 26.
- the user information packet 351 will be described later.
- the program is further executed after step 412.
- the business trip application transmitted in step 412 is determined whether or not the information indicating approval is received from the management server 26. Is executed in response to the determination that the approval is received in step 414, and is executed after step 416 for initializing the storage area for downloading internal data in the storage unit 54. And a step 418 of updating the data list to the latest information by the data list packet 358 shown in FIG. 6 transmitted from the management server 26 with the approval. In step 418, the latest data list is overwritten on the data list downloaded immediately before in the storage unit 54.
- This program is further executed after step 418, and the hardware and software environment of the terminal 20 are set so as to enable communication with the management server 26 by 3G via the telephone network communication unit 40 shown in FIG. Step 420 is included.
- the terminal 20 disables the communication with the management server 26 via the wireless communication unit 42 and the in-house LAN 24 by WiFi until the end of the business trip period from this point in time.
- the setting of the components (telephone network communication unit 40, wireless communication unit 42, and control unit 60) related to the wireless communication of the terminal 20 is changed so that only communication of the terminal 20 is possible.
- FIG. 10 is a flowchart showing a control structure of a program for approving a business trip application executed by CPU 110 shown in FIG. 3 in management server 26.
- the business trip application approval program executed by CPU 110 is activated in response to a business trip approver instructing management server 26 to approve a business trip application
- step 430 for displaying the user name information of the terminal 20 included in the received user information packet 351 and the route information included in the route information packet 352 on the display unit 94, and after step 430, are executed. It is determined whether or not the approver inputs approval / disapproval for the business trip application, and waits until there is an input, and in response to the determination that there is an input in step 432, the approver is executed.
- step 434 if approved, an approval notification packet 353 shown in FIG. 6 is generated, and if not, a rejection notification packet 354 is generated and transmitted.
- the program further includes a step 436 that is executed after the step 434, determines whether or not the business trip application is approved, and branches the control flow according to the determination result.
- step 436 if the packet transmitted to the terminal 20 is the approval notification packet 353, YES is determined, and if the rejection notification packet 354 is NO, it is determined.
- the program is further executed in response to the approval of the business trip application in step 436, and includes the user name and terminal S / N information included in the user information packet 351 of the terminal 20, the route information packet Step 438 for storing the route information included in 352 in association with the business trip application DB in the storage unit 98 shown in FIG. 3, and the user name included in the user information packet 351 as a search key. 7 is searched, internal data accessible by the terminal 20 is extracted from the employee DB 360, and the data list packet 358 shown in FIG. 6 is created and transmitted to the terminal 20 based on this data.
- the management server 26 disables communication via the second communication unit 92 and the in-house LAN 24 by WiFi until the business trip period ends from this point. Furthermore, since the management server 26 communicates only with the terminal 20 via the Internet 22, the management server 26 is configured to receive only the packet attached with the terminal S / N of the terminal 20 ( The settings of the first communication unit 90, the second communication unit 92, and the control unit 102) are changed.
- 11 and 12 are flowcharts showing a control structure of a program for browsing the in-house data executed by the CPU 70 in the step 20 shown in FIG. 8 in the terminal 20.
- this program is executed after step 450 for obtaining the current date and time from timing unit 58 and after step 450, and stored in storage unit 54 in step 410 of the business trip application process program shown in FIG. 9 described above.
- step 458 Flip with and a step 458 for branching the control flow.
- step 458 it is assumed here that the determination is performed by the following method. From the latitude and longitude information of each destination included in the route information, a rectangular area with four points obtained by combining the maximum or minimum value of latitude information and the maximum or minimum value of longitude information is provided. If the current position of the terminal 20 is within this rectangular area, YES is determined, otherwise NO is determined.
- the program is further executed in response to the determination that the current position is located in the range from the departure point to the business trip destination in step 458, and the screens 228 and 230 shown in FIGS. Is displayed on the display unit 50, step 460 for receiving the user ID and password from the business trip applicant, and step 462 executed after step 460, receiving the input of the confirmation button 254, and executing login.
- the terminal 20 shows the user information packet 351 shown in FIG. 6 by the input information in step 460 and the terminal S / N previously stored in the storage unit 54, as shown in FIG. 6 from the current position information acquired in step 456.
- a current position information packet 359 is created for each.
- the terminal 20 further transmits information indicating login, a user information packet 351 and a current position information packet 359 to the management server 26.
- the program further includes a step 464 that is executed after step 462, determines whether or not information indicating access permission is received from the management server 26, and branches the control flow according to the determination result.
- step 464 if the terminal 20 receives the access permission notification packet 355 shown in FIG. 6 from the management server 26, it is determined YES. If it receives the access non-permission notification packet 356, it is determined NO. If NO in steps 452, 458, and 464, the process returns to step 402 shown in FIG.
- this program is executed in response to the determination that the information indicating the access permission is received in step 464 shown in FIG. 11, and is stored in storage unit 54 in step 418 shown in FIG.
- the stored data list information is displayed on the display unit 50 in the form of the screen 270 shown in FIG. 5C, and is executed after step 470, and certain data in the data list is selected.
- Step 472 for determining whether or not browsing data is designated by pressing the acquisition button 294 shown in (C) and branching the flow of control according to the determination result.
- the program is further executed in response to the determination that the browsing data is not specified in step 472, and determines whether or not the in-house data browsing is instructed by the business trip applicant. In this case, the process is returned to step 402 shown in FIG. 8, and when there is no end instruction, the process is returned to step 472, including step 492.
- the program is further executed in response to the determination that the browsing data is designated in Step 472, and the current position information relating to the terminal 20 is acquired from the GPS 56, and is executed after the Step 474.
- the browsing data distribution request the data request packet 357 shown in FIG. 6 is transmitted to the management server 26 together with the user information packet 351 and the current position information packet 359, and is executed after the step 476.
- 478 for determining whether or not the information to permit distribution is received in response to the distribution request in 476 and branching the control flow according to the determination result.
- the determination method in step 478 is the same as step 464 shown in FIG. When it is determined NO in step 478, the process returns to step 402 shown in FIG.
- the program is further executed in response to the determination that the information permitting distribution has been received in step 478, receives the distributed data, displays the data on the display unit 50, and stores the data in the storage unit.
- 54 which is executed after step 480, and after step 482 for acquiring the current position information on the terminal 20 from the GPS 56, and executed after step 482, the current position information packet 359 together with the terminal S / N is managed by the management server 26 is executed after step 484, and after step 484, the management server 26 determines that the in-house data display cannot be continued by an access permission determination process described later, and determines whether there is an instruction to end the display.
- step 486 for branching the flow of control according to the determination result.
- the determination method in step 486 is the same as that in step 464 shown in FIG.
- the program further includes a step 494 of erasing the displayed data from the display unit 50 and returning the process to the step 402 shown in FIG.
- Step 488 branches the flow of control according to the determination result, and is executed in response to the determination that another data distribution request has not been made in step 488, and whether or not there has been an access end instruction from the user.
- step 490 of branching the flow of control according to the determination result If it is determined in step 488 that another data distribution request has been made, the process returns to step 470. If it is determined in step 490 that there is an access end instruction, the process proceeds to step 494, and if it is determined that there is no access end instruction, the process returns to step 482.
- FIG. 13 is a flowchart showing a control structure of a program executed by the CPU 110 in the management server 26 for user approval for in-house data browsing.
- the program executed by CPU 110 is executed by terminal 20 in step 462 in FIG. 11, and the user information packet 351 and current location information packet 359 shown in FIG.
- Step 510 is included to divert the flow.
- data matching the user name and password information included in the user information packet 351 is included in the employee DB 360 stored in the storage unit 98, and the terminal S / N and user included in the user information packet 351 are included. If the data matching the name information is included in the business trip application DB stored in the storage unit 98, it is determined as YES, otherwise it is determined as NO.
- Step 510 This program is further executed in response to the determination that it is a business trip applicant's access request in Step 510, and is executed after Step 512, which acquires the current date and time from the time measuring unit 100, and Step 512.
- Step 514 for starting the access permission determination process Step 516 that is executed after Step 514, determines whether or not the access of the terminal 20 is permitted in Step 514, and branches the control flow according to the determination result;
- the access permission notification packet 355 shown in FIG. 6 is transmitted to the terminal 20 in response to the determination that the access is permitted in step 516, and the process is terminated.
- steps 518 and 510 and 516 the determination is NO.
- the access non-permission notice packet shown in FIG. 56 was sent to the terminal 20, and a step 520 to end the process.
- FIG. 14 is a flowchart showing a control structure of a program for executing a response to the in-house data distribution request from the terminal 20, which is executed by the CPU 110 in the management server 26.
- the terminal 20 sends a distribution request, a user information packet 351, a current location information packet 359 and a data request packet 357 shown in FIG.
- the first communication unit 90 is activated upon receipt thereof, authenticates the terminal 20, authenticates whether the terminal 20 is making a business trip application and is on a business trip, and is requested to be distributed from the terminal 20.
- Step 530 is performed to determine whether the data is permitted to the terminal and to branch the control flow according to the determination result.
- data matching the user name and password information included in the user information packet 351 is included in the employee DB 360 stored in the storage unit 98, and the terminal S / N and user included in the user information packet 351 are included.
- Data matching the name information is included in the business trip application DB stored in the storage unit 98, and the data indicated by the data request packet 357 is stored in association with the terminal S / N of the terminal 20 in the storage unit 98. If it is in the data list, the determination result is YES, otherwise NO.
- the program is further executed in response to the determination that the data requested for distribution is the data permitted to access the terminal 20 in step 530, and the current date and time is acquired by the time measuring unit 100; , Executed after step 532 to start an access permission determination process, and executed after step 534, whether or not the distribution is OK, and the flow of control is branched according to the determination result. And is executed in response to the determination of OK in step 536, and is executed after step 538 for transmitting the access permission notification packet 355 shown in FIG. In steps 540, 530 and 536 for transmitting data to the terminal 20, In response runs to the determination NO, and includes a step 542 of transmitting an access denial notice packet 356 to terminal 20. After step 540 and step 542, the process ends.
- FIG. 15 is a flowchart illustrating a control structure of a program executed by the CPU 110 in the management server 26 to check the terminal position and determine whether or not to continue display for the purpose of continuing display of data distributed to the terminal 20.
- this program responds that first communication unit 90 has received terminal S / N and current location information packet 359 of terminal 20 transmitted from terminal 20 in step 484 of FIG. 12. Then, step 550 for acquiring the current date and time from the time measuring unit 100, step 552 for executing the access permission determination process described later, and step 552 are executed to determine whether or not the access is OK, and control is performed according to the determination result. Is executed in response to the determination that the access is OK in step 554, and the access permission notification packet 355 is transmitted to the terminal 20, and the access is not OK in step 554. Is executed in response to the determination, and an access non-permission notification packet 356 is sent to the terminal 20 And a step 558 to trust. After steps 556 and 558, the process ends.
- FIG. 16 is a flowchart showing a control structure of a program for determining whether or not access is possible in the in-house data browsing, which is executed by the CPU 110 in step 514 shown in FIG. 13, step 534 shown in FIG. 14, and step 552 shown in FIG. It is.
- the program acquires the current date and time acquired in step 512 shown in FIG. 13, step 532 shown in FIG. 14, and step 550 shown in FIG. It is determined whether it is within the range from the start date / time (route [i] .st) to the end date / time (route [i] .et) at the point indicated by the variable i, and the control flow is branched according to the determination result. Step 570 is included.
- step 570 the program further determines that the current date is route [i]. st to route [i].
- step 572 for substituting the value of variable i that satisfies the above-described condition into variable j and step 572 are executed, and the current position of terminal 20 is determined.
- route [j] for PA, route [j].
- step 574 for determining whether or not the position is within the range of the position of PA ⁇ 0 ° 1 ′.
- step 570 the program further determines that the current date is route [i]. st to route [i]. It is executed in response to the determination that it is not within the range up to et, and whether or not the current date and time is within the range of travel time from one point to the next point, that is, any route [i]. et-route [i + 1]. Step 576 for determining whether or not it is within the range of st, and branching the flow of control according to the determination result, and the current date and time in step 576 is any route [i]. et-route [i + 1].
- Step 577 is executed in response to the determination that it is within the range of st, and is executed after Step 577 and Step 577 in which the value of the variable i satisfying the above condition is substituted into the variable j. Whether it is within the range from the point of j + 1 to the point of j + 1, that is, route [j]. PA ⁇ 0 ° 1 ′ to route [j + 1]. And step 578 for determining whether or not the range is within the range of PA ⁇ 0 ° 1 ′ and branching the control flow according to the determination result.
- step 578 the following determination is made.
- route [j] Let the latitude and longitude of PA be north latitude N j , east longitude E j , route [j + 1]. Let the latitude and longitude of PA be north latitude N j + 1 and east longitude E j + 1 . Depending on the latitude and longitude of the jth point and the j + 1th point, route [j]. PA ⁇ 0 ° 1 ′ to route [j + 1]. The range up to PA ⁇ 0 ° 1 ′ is as follows.
- Step 580 is executed in response to the determination that the position is within the range of the position of PA ⁇ 0 ° 1 ′, and a value indicating accessible is substituted for the return value, and Step 574 and Step 576 or Step 578 And step 582, which is executed in response to the determination of NO in step 602, and substitutes a value indicating that access is not possible for the return value. After steps 580 and 582, the process ends.
- the display unit 50 displays a screen (not shown) for receiving the user name and the password.
- the input user name and password are temporarily stored in the RAM 74.
- the main power supply of all the components related to the terminal 20 is always turned on.
- the display unit 50 displays a screen 118 of FIG.
- the screen 140 shown in FIG. 4B is displayed, and a program whose control structure is shown in FIG.
- the management server 26 receives an instruction to execute the business trip approval process by the business trip approver, the program having the control structure shown in FIG. 10 is started.
- step 410 shown in FIG. 9 route information of the business trip is input on the screen 140 and is stored in the storage unit 54 when the registration button 176 is pressed.
- the CPU 70 creates a user information packet 351 using the terminal S / N stored in advance in the storage unit 54 and the user name and password input when the power is turned on.
- the CPU 70 further creates a route information packet 352 from the route information stored in the storage unit 54 in step 410.
- the CPU 70 transmits the user information packet 351 and the route information packet 352 to the management server 26 via the wireless communication unit 42 and the in-house LAN 24.
- the signal from terminal 20 received by second communication unit 92 is temporarily stored in storage unit 98.
- the management server 26 in steps 430 to 434 in FIG. 10, regarding the business trip application, the user name and route information of the business trip applicant are read from the signal received from the terminal 20 and displayed on the display unit 50. Based on this information, the business trip approver approves the business trip application. If approved, the CPU 110 transmits an approval notification packet 353 shown in FIG. 6, and if not, a rejection notification packet 354 is transmitted to the terminal 20.
- the CPU 110 associates the user name and terminal S / N information included in the user information packet 351 with the route information included in the route information packet 352, and stores the business trip application DB in the storage unit 98. To store. Further, the employee DB 360 shown in FIG. 7 is searched using the user name included in the user information packet 351 as a search key, and the information on the corresponding business trip applicant is detected. From this information, the CPU 110 extracts and lists the folder names in the in-house data and the file names in the folders to which the business trip applicant is permitted access, and creates the data list packet 358 shown in FIG. . The CPU 110 transmits a data list packet 358 to the terminal 20.
- the CPU 110 further associates the data list that can be browsed by the terminal 20 with the terminal S / N included in the user information packet 351 and stores it in the storage unit 98.
- the CPU 110 further changes the communication environment of the management server 26 so as to receive only the packet to which the terminal S / N of the terminal 20 is attached via the first communication unit 90 and the Internet 22. Thereafter, the processing of steps 402 and 406 is repeated in the program whose control structure is shown in FIG.
- a screen 228 shown in FIG. 5A is displayed on the terminal 20, and the in-house data browsing button 122 is pressed.
- the CPU 70 of the terminal 20 executes a program whose control structure is shown in FIGS. In steps 450 to 458, the terminal 20 performs in-house data browsing permission / non-permission processing by the terminal itself according to the date and time of the process execution and the stay location.
- the CPU 70 obtains the current date and time from the time measuring unit 58 and the current position information from the GPS 56, and compares them with the route information stored in the storage unit 54. Only when the current date and time is during a business trip and the current position information is included in the area determined by the latitude and longitude information of the point included in the route information, the CPU 70 advances the control to the login process to the in-house data browsing system.
- the CPU 70 performs the login, the distribution request, and the in-house data display in the user information packet 351.
- a current position information packet 359 including current position information acquired from the GPS 56 is transmitted to the management server 26.
- the CPU 110 of the management server 26 includes the user information and current position information included in the user information packet 351 and the current position information packet 359 transmitted from the terminal 20, the current time measured by the time measuring unit 100 each time, and a storage unit The user information and route information regarding the terminal 20 stored in the 98 employee DB and the business trip application DB are compared.
- the CPU 110 authenticates the terminal 20. Furthermore, the date and place indicated by the current time and current position information coincide with the action schedule of the terminal 20 (business trip applicant) indicated by the route information stored in association with the user information in the business trip application DB. For example, the CPU 110 allows access to in-house data, and otherwise does not. The CPU 110 further transmits a signal corresponding to the access permission determination result to the terminal 20. Subsequent transmission / reception between the terminal 20 and the management server 26 uses the Internet 22. More specifically, the terminal 20 and the management server 26 operate as follows during login execution, distribution request, and in-house data display.
- the CPU 70 of the terminal 20 displays a screen 230 shown in FIG. 5B on the display unit 50 and receives an input of a user name and a password.
- the confirmation button 254 is pressed, the input user name and password are temporarily stored in the RAM 74.
- a user information packet 351 is created from these pieces of information and the terminal S / N stored in the storage unit 54.
- the created user information packet 351 is used for Internet communication, and the CPU 70 transmits a login request, a user information packet 351 and a current location information packet 359 to the management server 26.
- the CPU 110 of the management server 26 Upon receiving the information signal indicating the login from the terminal 20, the CPU 110 of the management server 26 activates a program whose control structure is shown in FIG.
- the employee DB 360 in the storage unit 98 is searched using the user name included in the user information packet 351 as a search key, and the user name is included in the employee DB 360 and associated with the user name. It is determined whether or not the same password as 351 is stored in the employee DB 360.
- the CPU 110 further searches the business trip application DB of the storage unit 98 using the terminal S / N as a search key, the business trip application DB includes the terminal S / N, and the terminal It is determined whether or not the same user name as the user information packet 351 is stored in the business trip application DB in association with S / N. If the above condition is satisfied, YES is determined in step 510. In step 512, the CPU 110 obtains the current time from the time measuring unit 100. CPU 110 further reads out route information corresponding to terminal S / N from the business trip application DB using terminal S / N as a search key. The CPU 110 performs an access permission determination process shown in FIG. 16 based on the route information and the current time.
- access permission determination process access is permitted to the terminal 20 when the following conditions are satisfied. 1)
- the current date and time is within the planned stay time (start time to end time) at any destination included in the route information, and the current position is within the range of the destination ⁇ 0 ° 1 ′.
- the current date / time corresponds from the end time of one of the destinations included in the route information to the start time of the next destination, and the current position is from the destination ⁇ 0 ° 1 ′ to the next destination ⁇ 0 °.
- the CPU 110 assigns access permission to the return value.
- the CPU 110 transmits an access permission notification packet 355 shown in FIG. 6 to the terminal 20 via the first communication unit 90 and the Internet 22 in steps 516 and 518 shown in FIG.
- the processing on the terminal 20 side proceeds to step 470 in FIG.
- the CPU 110 transmits an access non-permission notification packet 356 shown in FIG. 6 to the terminal 20 through steps 516 and 520 shown in FIG.
- the CPU 70 of the terminal 20 displays on the display unit 50 that access is not permitted, and then displays the screen 228 of FIG. 5A again. The process returns to step 402 in FIG. 8 and waits for the next in-house data browsing instruction.
- the CPU 70 of the terminal causes the display unit 50 to display the data list 290 included in the screen 270 of FIG.
- the CPU 70 creates a data request packet 357 shown in FIG.
- the CPU 70 acquires current position information from the GPS 56, creates a user information packet 351 and a current position information packet 359, and sends them together with the data distribution request and data request packet 357 to the management server 26. Send to.
- the CPU 110 of the management server 26 starts the distribution request response process shown in FIG.
- the CPU 110 authenticates the terminal 20 as in step 510 of FIG.
- CPU 110 determines whether or not the data indicated by data request packet 357 is included in the data list stored in storage unit 98 associated with the S / N of the terminal. If YES is determined, CPU 110 obtains the current time in step 532 and performs access permission determination processing in the same manner as in the case of login.
- the access permission determination process and the process of sending a message to the terminal 20 in response to this are the same as in the case of the login process, but if access is possible, the requested data is further transmitted to the terminal 20.
- the CPU 70 of the terminal 20 stores the received data in the storage unit 54 in steps 478 to 484 in FIG. Displayed on the unit 50.
- the CPU 70 acquires current position information from the GPS 56 and transmits a current position information packet 359 to the management server 26 together with the terminal S / N.
- the CPU 110 of the management server 26 activates the terminal location check processing program shown in FIG.
- the CPU 110 performs an access permission determination process in the same manner as when logging in.
- the access permission determination process and the process of sending a message to the terminal 20 in response thereto are the same as in the login process.
- the terminal 20 receives the access permission notification packet 355 or the access non-permission notification packet 356 from the management server 26.
- the CPU 70 performs the determination at step 486 in FIG.
- the CPU 70 repeats the processing of steps 482 to 490 until receiving another data distribution request instruction and an instruction to terminate access.
- the CPU 70 erases the display of the distributed data. Thereafter, the same processing as when access is not permitted during the login processing is performed.
- the system 10 it is possible to browse in-house data in a secure environment during a business trip. Even if a legitimate terminal belonging to the system is stolen, it is difficult for an unauthorized person to view internal data. This is because it is not possible to log in without inputting the user ID and password, and furthermore, browsing is not possible unless it is within the range of the date and place of the application for the business trip. In addition, even if the data is once distributed, the display is erased if the date and time or location conditions are not satisfied. In addition, internal data that can be viewed from each terminal is limited, which reduces the risk of information leakage.
- the server determines whether or not access is possible for the terminal based on whether the current position is within the range indicated by the route information and the destination and the next destination.
- the present invention is not limited to such an embodiment. Any mode may be used as long as a predetermined condition is provided between the route information indicating the planned destination and the current position, and whether access can be determined according to whether the predetermined condition is satisfied.
- a quadrilateral area with four points obtained by combining the maximum or minimum value of latitude information and the maximum or minimum value of longitude information. If the current position of the terminal is within this rectangular area, it may be accessible.
- the present invention has low risk of information leakage and is used in an industry for manufacturing, using, renting, etc., a server device, a terminal device, and an information browsing system including the server device and the terminal device for performing secure communication. can do.
Abstract
Description
1)アクセス要求を行なった端末が、システムに帰属する正規の端末であるかどうかの認証
2)利用者がシステムに帰属する正規の利用者であるかどうかの認証
この問題を解決するために、特許文献1には、前述と同様のシステムにおいて、端末(携帯電話)の電話番号を識別コードとして、サーバへのアクセスの許可/不許可を決定する技術が開示されている。サーバにはアクセス可能な端末の電話番号が予め登録されている。登録された電話番号の端末は、サーバに格納された、当該端末が帰属するグループに関する情報を閲覧することができる。一方、登録外の端末は、アクセス不許可とされる。この技術により、上記1)の認証制御がある程度可能である。しかし、電話番号を偽装することは不可能ではないため、非正規端末からのアクセスを完全に防止することは出来ない。また、盗難等の非正規利用者が正規端末を保持する場合において、サーバ内情報の漏洩を防ぐことができない。
[構成]
図1に、第1の実施の形態に係る社内情報閲覧システムの概略をブロック図形式で示す。図1を参照して、このシステム10は、電話機能等を有する端末20、及びその他の図示しない複数の端末と、管理サーバ26とを含む。
1)緯度範囲Nx
(1)Nj>Nj+1の場合、Nj+0°1′≧Nx≧Nj+1-0°1′
(2)Nj<Nj+1の場合、Nj-0°1′≦Nx≦Nj+1+0°1′
(3)Nj=Nj+1の場合、Nj-0°1′≦Nx≦Nj+0°1′
2)経度範囲Ex
(1)Ej>Ej+1の場合、Ej+0°1′≧Ex≧Ej+1-0°1′
(2)Ej<Ej+1の場合、Ej-0°1′≦Ex≦Ej+1+0°1′
(3)Ej=Ej+1の場合、Ej-0°1′≦Ex≦Ej+0°1′
本プログラムは、さらに、ステップ574において現在位置がroute[j].PA±0°1′の位置の範囲内であると判定されたこと、又は、ステップ578において、現在位置が、route[j].PA±0°1′からroute[j+1].PA±0°1′までの位置の範囲内であると判定されたことに応答して実行され、戻値にアクセス可を示す値を代入するステップ580と、ステップ574、及びステップ576又はステップ578においてNOと判定されたことに応答して実行され、戻値にアクセス不可を示す値を代入するステップ582とを含む。ステップ580及び582の後、処理は終了する。
以上に構成を説明したシステム10は、以下のように動作する。なお、以下の説明において、便宜上、管理サーバ26に係る全ての構成要素の主電源は常時投入されているものとする。
図11のステップ460及び462において、端末20のCPU70は、図5(B)に示す画面230を表示部50に表示し、ユーザ名及びパスワードの入力を受ける。確認ボタン254の押下により、入力されたユーザ名及びパスワードはRAM74に一時的に記憶される。これらの情報と、記憶部54に記憶された端末S/Nにより、ユーザ情報パケット351が作成される。作成されたユーザ情報パケット351は、インターネット通信に用いられるものであり、CPU70は、ログイン要求と、ユーザ情報パケット351及び現在位置情報パケット359とを、管理サーバ26に送信する。
1)現在日時が、経路情報に含まれるいずれかの行先での滞在予定時間内(開始時間~終了時間)であり、かつ、現在位置が、当該行先±0°1′の範囲内である。
2)現在日時が、経路情報に含まれるいずれかの行先の終了時間から次の行先の開始時間までに該当し、かつ、現在位置が、当該行先±0°1′から次の行先±0°1′の範囲内である。
上記1)又は2)に当てはまる場合、CPU110は戻値にアクセス可を代入する。アクセス可の値が戻されると、図13に示すステップ516及び518により、CPU110は第1の通信部90及びインターネット22を介し、端末20に図6に示すアクセス許可通知パケット355を送信する。これを受け、端末20側の処理は図12のステップ470へ進む。
端末20はアクセス許可通知を受けた場合、図12に示すステップ470において、端末のCPU70は表示部50に図5(C)の画面270に含まれるデータリスト290を表示させる。ここで、出張申請者が図5(C)のように1つのデータを選択し取得ボタン294を押下した場合、CPU70は図6に示すデータリクエストパケット357を作成する。図12に示すステップ474及び476において、CPU70は、GPS56から現在位置情報を取得し、ユーザ情報パケット351及び現在位置情報パケット359を作成し、これらをデータ配信要求及びデータリクエストパケット357と共に管理サーバ26へ送信する。
さらに、CPU70は、GPS56から現在位置情報を取得し、現在位置情報パケット359を端末S/Nと共に管理サーバ26に送信する。
本実施の形態において、サーバは、当該端末に関し、現在位置が、経路情報が示す地点、及び、行先とその次の行先の範囲内であるか否かに基づき、アクセス可否判断を行なっていた。しかし、本発明は、そのような実施の形態には限定されない。予定の行先を示す経路情報と現在位置との間に所定の条件を設け、所定の条件を満たすか否かにより、アクセス可否判断ができるものであればどのような態様であっても良い。
Claims (15)
- コンテンツを所定の端末に配信するためのサーバであって、
端末の使用予定を示す端末使用予定を端末の識別子と関連付けて記憶するための記憶手段を含み、
前記端末使用予定の各々は、1又は複数の行動予定を含み、
前記行動予定の各々は、日時を特定する日時項目と、当該日時における端末の予定位置を特定する場所項目とを含み、
前記サーバはさらに、コンテンツに関する配信要求を受信するための受信手段を含み、
前記配信要求は、当該配信要求を送信した送信端末の識別子と、位置情報と、配信を要求するコンテンツ識別子とを含み、
前記サーバはさらに、前記配信要求の受信日時を特定するための計時手段と、
前記配信要求に含まれる前記位置情報、並びに前記計時手段により特定された前記受信日時と、前記配信要求に含まれる前記送信端末の識別子と関連付けて前記記憶手段に記憶されている前記端末使用予定とを比較することにより、コンテンツを配信するか否かを決定するための配信制御手段と、
前記配信制御手段によりコンテンツを配信することが決定されたことに応答して、前記コンテンツ識別子により識別されるコンテンツを、前記送信端末に配信するための配信手段とを含む、サーバ。 - 前記配信制御手段は、
前記端末使用予定のうち、前記配信要求に含まれる前記送信端末の識別子と関連付けられているものを前記記憶手段から読出すための使用予定読出手段と、
前記受信日時、及び前記配信要求に含まれる位置情報が、前記使用予定読出手段により読出された端末使用予定に含まれる1又は複数の行動予定のうちのいずれかに含まれる日時項目及び場所項目により特定される行動予定に合致するか否かを判定するための第1の判定手段と、
前記第1の判定手段により、前記受信日時、及び前記配信要求に含まれる位置情報が前記特定される行動予定に合致しないことに応答して、当該位置情報が、前記使用予定読出手段により読出された連続する2つの行動予定にそれぞれ含まれる2つの日時項目及び2つの位置情報により特定される移動予定経路に合致するか否かを判定するための第2の判定手段と、
前記第1の判定手段又は第2の判定手段により、前記受信日時、及び前記配信要求に含まれる位置情報が、前記特定される行動予定又は前記特定される移動予定経路に合致すると判定された場合には、コンテンツを配信することを決定するための決定手段とを含む、請求項1に記載のサーバ。 - 前記コンテンツを記憶するためのコンテンツ記憶手段と、
前記端末を使用する利用者の情報を記憶するための利用者情報記憶手段とをさらに含み、
前記利用者情報記憶手段は、前記利用者の情報として、前記利用者に対して配信が許可される前記コンテンツが前記コンテンツ記憶手段で記憶されている記憶領域を示すアクセス許可フォルダ情報を記憶し、
前記端末の使用予定は前記利用者の情報を含み、
前記端末の使用予定が前記記憶手段に記憶されたことに応答して、前記利用者のアクセス許可フォルダ情報で指定される前記コンテンツ記憶手段の前記記憶領域に含まれる前記コンテンツのコンテンツ識別子リストを作成し、前記端末に送信するための手段をさらに含む、請求項1に記載のサーバ。 - 各種情報を表示するための表示手段と、
前記表示手段に、前記端末の使用予定を表示するための手段とをさらに含む、請求項1~請求項3のいずれかに記載のサーバ。 - 前記端末の使用予定を前記記憶手段に記憶する、又は記憶しないと指示されたことに応答して、前記端末にそれぞれ使用予定の登録が許可された、又許可されなかったという旨のメッセージを送信するための手段をさらに含む、請求項1~請求項4のいずれかに記載のサーバ。
- 前記場所項目は位置情報を含み、
前記位置情報は、緯度及び経度情報である、請求項1又は請求項2に記載のサーバ。 - 前記決定手段によりコンテンツを配信すること、又は配信しないことが決定されたことに応答して、前記端末に対してそれぞれ、アクセス許可通知、又はアクセス不許可通知を送信するための手段をさらに含む、請求項2に記載のサーバ。
- 所定の端末と、前記端末にコンテンツを配信するためのサーバとを含む、コンテンツ配信システムであって、
前記サーバは、
端末の使用予定を示す端末使用予定を端末の識別子と関連付けて記憶するための記憶手段を含み、
前記端末使用予定の各々は、1又は複数の行動予定を含み、
前記行動予定の各々は、日時を特定する日時項目と、当該日時における端末の予定位置を特定する場所項目とを含み、
前記端末は、
当該端末の存在する位置を示す位置情報を取得するための位置情報取得手段と、
当該端末の識別子と、前記位置情報と、前記サーバに対して配信を要求するコンテンツのコンテンツ識別子とを含む、コンテンツの配信要求を前記サーバに送信するための配信要求手段とを含み、
前記サーバは、さらに、
前記端末から前記コンテンツに関する配信要求を受信するための受信手段と、
前記配信要求の受信日時を特定するための計時手段と、
前記配信要求に含まれる前記位置情報、及び前記計時手段により特定された前記受信日時と、前記配信要求に含まれる前記端末の識別子と関連付けて前記記憶手段に記憶されている前記端末使用予定とを比較することにより、コンテンツを配信するか否かを決定するための配信制御手段と、
前記配信制御手段によりコンテンツを配信することが決定されたことに応答して、前記コンテンツ識別子により識別されるコンテンツを、前記端末に配信するための配信手段とを含み、
前記端末はさらに、前記配信要求に応答して前記サーバから前記端末に配信されたコンテンツを受信し表示するためのコンテンツ表示手段とを含む、コンテンツ配信システム。 - 前記サーバにおいて、
前記配信制御手段は、
前記端末使用予定のうち、前記配信要求に含まれる前記送信端末の識別子と関連付けられているものを前記記憶手段から読出すための使用予定読出手段と、
前記受信日時、及び前記配信要求に含まれる位置情報が、前記使用予定読出手段により読出された端末使用予定に含まれる1又は複数の行動予定のうちのいずれかに含まれる日時項目及び場所項目により特定される行動予定に合致するか否かを判定するための第1の判定手段と、
前記第1の判定手段により、前記受信日時、及び前記配信要求に含まれる位置情報が前記特定される行動予定に合致しないことに応答して、当該位置情報が、前記使用予定読出手段により読出された連続する2つの行動予定にそれぞれ含まれる2つの日時項目及び2つの位置情報により特定される移動予定経路に合致するか否かを判定するための第2の判定手段と、
前記第1の判定手段又は第2の判定手段により、前記受信日時、及び前記配信要求に含まれる位置情報が、前記特定される行動予定又は前記特定される移動予定経路に合致すると判定された場合には、コンテンツを配信することを決定するための決定手段とを含む、請求項8に記載のコンテンツ配信システム。 - 前記サーバは、
前記コンテンツを記憶するためのコンテンツ記憶手段と、
前記端末を使用する利用者の情報を記憶するための利用者情報記憶手段とをさらに含み、
前記利用者情報記憶手段は、前記利用者の情報として、前記利用者に対して配信が許可される前記コンテンツが前記コンテンツ記憶手段で記憶されている記憶領域を示すアクセス許可フォルダ情報を記憶し、
前記端末の使用予定は前記利用者の情報を含み、
前記端末の使用予定が前記記憶手段に記憶されたことに応答して、前記利用者のアクセス許可フォルダ情報で指定される前記コンテンツ記憶手段の前記記憶領域に含まれる前記コンテンツのコンテンツ識別子リストを作成し、前記端末に送信するための手段をさらに含み、
前記端末は、
前記端末に送信するための手段により送信された前記コンテンツ識別子リストを受信し表示するための手段をさらに含む、請求項8に記載のコンテンツ配信システム。 - 前記サーバは、
前記端末の使用予定を前記記憶手段に記憶する、又は記憶しないと指示されたことに応答して、前記端末にそれぞれ使用予定の登録が許可された、又は許可されなかったという旨のメッセージを前記端末に送信するための手段をさらに含み、
前記端末は、
前記送信するための手段による前記メッセージを受信し、表示するための手段をさらに含む、請求項8又は請求項9に記載のコンテンツ配信システム。 - 前記サーバは、
各種情報を表示するための表示手段と、
前記表示手段に、前記端末の使用予定を表示するための手段とをさらに含む、請求項8~請求項11のいずれかに記載のコンテンツ配信システム。 - 前記場所項目は位置情報を含み、
前記位置情報は、緯度及び経度情報である、請求項8又は請求項9のいずれかに記載のコンテンツ配信システム。 - 前記サーバは、前記決定手段によりコンテンツを配信すること、又は配信しないことが決定されたことに応答して、前記端末に対してそれぞれ、アクセス許可通知、又はアクセス不許可通知を送信するための手段をさらに含み、
前記端末は、前記アクセス許可通知、又はアクセス不許可通知を受信し、それぞれ対応する処理を行なうための手段をさらに含む、請求項9に記載のコンテンツ配信システム。 - 任意の端末から送信されたコンテンツの配信要求に応答し、当該配信要求を送信した端末に前記コンテンツを配信するサーバと、
前記サーバにコンテンツの配信要求を送信し、当該配信要求に応答して前記サーバから配信されたコンテンツを表示する端末と、前記端末の使用予定を示す端末使用予定を記憶する記憶手段とを含む、コンテンツ配信システムにおける、コンテンツ表示制御方法であって、
前記端末使用予定の各々は、1又は複数の行動予定を含み、前記行動予定の各々は、日時を特定する日時項目と、当該日時における当該端末の予定位置を特定する場所項目とを含み、
前記端末が前記サーバに前記配信要求を送信する時点を起点とする前記端末の位置情報及び日時情報と、前記記憶手段に記憶されている端末使用予定とを比較する比較ステップと、
前記比較ステップにおける比較の結果に応じ、前記配信要求に応答して前記サーバから前記端末に配信されるコンテンツの表示を可能化又は不能化するステップとを含む、コンテンツ表示制御方法。
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Also Published As
Publication number | Publication date |
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CN101925911B (zh) | 2013-08-14 |
KR20100093133A (ko) | 2010-08-24 |
CN101925911A (zh) | 2010-12-22 |
US20100293246A1 (en) | 2010-11-18 |
EP2249281A1 (en) | 2010-11-10 |
KR101191509B1 (ko) | 2012-10-15 |
JP2009169896A (ja) | 2009-07-30 |
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