WO2021082996A1

WO2021082996A1 - File management method

Info

Publication number: WO2021082996A1
Application number: PCT/CN2020/122324
Authority: WO
Inventors: 朱小军; 肖列
Original assignee: 杭州来布科技有限公司
Priority date: 2019-10-31
Filing date: 2020-10-21
Publication date: 2021-05-06
Also published as: CN110971589A

Abstract

The present invention relates to a file management method. The method comprises: S11, a file management terminal generates a browser format file and file management information, sends the browser format file to a user terminal and sends the file management information to a server; S21, when receiving a file opening instruction, the user terminal invokes a browser to open the browser format file; S22, a viewing request is sent to the server by means of the browser, the viewing request containing user account information; S23, according to the file management information, the server verifies whether the user account information is legitimate; and S24, if yes, the server sends a viewing allowed instruction to the user terminal, and according to the viewing allowed instruction, the user terminal displays valid data content of the browser format file on the browser. According to the present invention, management authority of the file is stored on the server, verification by the server is required each time the file is used, and the file is allowed to be viewed only if the verification passes, thus effectively limiting the right of use of the file.

Description

A file management method

Technical field

The present invention relates to the field of file management, and more specifically, to a file management method.

Background technique

Data security is an eternal topic in the information age. In order to ensure data security, most of the existing technologies use encryption to protect data, but the existing encryption technology uses plaintext keys. Once cracked, the data will be unrestricted. The use of, brings irreparable loss to the data owner.

technical problem

The technical problem to be solved by the present invention is to provide a file management method in view of the above-mentioned defects of the prior art.

Technical solutions

The technical solution adopted by the present invention to solve its technical problems is to construct a file management method, including:

Browser format file generation process:

S11. The file management terminal generates a browser format file and file management information, where the browser format file is a file viewed using a browser, and the browser format file includes valid data content;

S12. Send the browser format file to the user terminal, and send the file management information to the server;

Perform the following steps each time you view the browser format file:

S21: After receiving the file opening instruction, the user terminal invokes a browser to open the browser format file;

S22. Send a viewing request to the server through the browser, where the viewing request includes user account information;

S23. The server verifies whether the user account information is legal according to the file management information;

S24. If yes, the server sends a viewing permission instruction to the user terminal, and the user terminal displays the valid data content of the browser format file on the browser according to the viewing permission instruction.

Further, in the file management method of the present invention, the browser format file is an encrypted file, and the key corresponding to the browser format file is stored in the file management information; the step S24 includes:

S241. If yes, the server sends the key corresponding to the browser format file to the user terminal, and the user terminal displays the valid data content of the browser format file on the browser according to the key.

Further, in the file management method of the present invention, the key is transmitted in a cipher text, and the browser format file contains a cipher text recognition program for recognizing the cipher text.

Further, in the file management method of the present invention, it also includes a file management information modification process:

S31. The file management terminal sends modification information to the server, and the server modifies the file management information according to the modification information.

Further, in the file management method of the present invention, the user account information in step S22 is the user's mobile phone number, and the step S23 includes: S231. The server verifies the user's mobile phone according to the file management information. Whether the number is legal;

The step S24 includes: S242. If yes, the server sends a verification code to the user terminal, and the user terminal displays the valid data content of the browser format file on the browser according to the verification code.

Further, in the file management method of the present invention, the browser format file includes a data body and a data chromosome, wherein the data body is the data to be transmitted; the data chromosome is the attribute information of the data body; The data chromosomes include:

The identity gene used to indicate the identity information of the browser format file;

Internal characteristic genes used to indicate the internal data status of the browser format file;

A vital characteristic gene used to describe the vital characteristic of the browser format file;

A state characteristic gene used to describe the current state of the browser format file;

System control genes for system control.

Further, in the file management method of the present invention, the identity gene includes: a unique identification ID and MD5 summary information of the browser format file;

The internal characteristic genes include: data type, MD5 summary value, character size value, text encoding format information, file extension, and creation time;

The vital sign gene includes: permission information used to limit the viewing permission of the browser format file, spread width information used to limit the viewing range of the browser format file, and used to limit the forwarding of the browser format file The spreading depth information of the number of layers, the life information of the browser format file, and the ownership information used to limit the ownership of the data;

The permission information includes the permission to be visible to all and allow search permissions, the permission to be visible to all and search permission is not allowed, the creator of the browser format file and the preset user are visible and permission to search, the maker of the browser format file, and the permission to search. Set user visibility and do not allow search permissions;

The state characteristic gene includes: the current spread width information of the browser format file and the current spread depth information of the browser format file;

The system control gene includes the sequence number of the asynchronous protocol command frame used to match the command result and the activation gateway used to verify the identification.

Further, in the file management method of the present invention, the data chromosome is composed of key-value pairs, wherein the key is a character string.

Further, in the file management method of the present invention, the file management information includes preset file viewing times, and the step S23 includes:

S232: The server judges whether the number of times the user account information has been viewed has not reached the preset number of file views.

Further, in the file management method of the present invention, the file management information includes a preset file viewing time, and the step S23 includes:

S233: The server judges whether the checked time of the user account information has not reached the preset file checking time.

Further, in the file management method of the present invention, it also includes a process of using information recording:

The server records the usage record information of each browser format file.

Further, in the file management method of the present invention, the browser format file is an HTML file.

Beneficial effect

Implementing a file management method of the present invention has the following beneficial effects: the present invention stores the management authority of the file on the server, and requires that the file be verified by the server every time the file is used, and the file is allowed to be viewed after the verification is passed, effectively restricting the file Right to use.

Description of the drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments. In the accompanying drawings:

FIG. 1 is a flowchart of a browser format file generation process provided by an embodiment;

Figure 2 is a flowchart of viewing browser format files provided by an embodiment;

FIG. 3 is a flowchart of viewing browser format files provided by an embodiment;

FIG. 4 is a flowchart of viewing browser format files provided by an embodiment;

FIG. 5 is a flowchart of viewing browser format files provided by an embodiment;

Fig. 6 is a flowchart of viewing browser format files provided by an embodiment.

The best mode of the present invention

In order to have a clearer understanding of the technical features, objectives and effects of the present invention, specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

Example

The file management method of this embodiment includes a browser format file generation process and a browser format file viewing process, wherein the browser format file generation process is used to convert ordinary files into browser format files on the file management terminal, or create new ones Browser format file; the browser format file viewing process is used to view the file on the user terminal. In this embodiment, the browser format file is an HTML file, and the HTML file can be viewed directly using a browser without requiring a user terminal to install a dedicated file reader, which enhances the applicability of the file. Alternatively, file management terminals and user terminals include, but are not limited to, smart terminals such as mobile phones, tablet computers, and notebook computers.

Referring to Figure 1, the browser format file generation process of this embodiment is:

S11. The file management terminal generates a browser format file and file management information, where the browser format file is a file viewed by a browser, and the browser format file includes valid data content, and the valid data content is the file content, which the user wants to protect Object. File management information is management information used to manage files. File management information and browser format files have a one-to-one correspondence. For example, file management information and browser format file mark information correspond one-to-one; file management information is not valid data content. It is not the object that the user wants to protect, its role is to protect the browser format file, that is, to protect the effective data content.

S12. Send the browser format file to the user terminal, and send the file management information to the server. After the file management terminal generates the browser format file, the file management terminal sends the browser format file to the user terminal through the communication network, or transfers the browser format file to the user terminal through the mobile memory. In addition, the file management terminal uploads the file management information to the server, and the server stores the file management information. Because the file management information has a one-to-one correspondence with the browser format file, the server manages the corresponding browser format file according to the file management information.

Referring to Figure 2, after the user terminal receives the browser format file, the following steps are executed each time the browser format file is viewed:

S21: After receiving the file opening instruction, the user terminal invokes the browser to open the browser format file. When the user terminal opens the browser format file, it can be opened by double-clicking or by selecting the browser from the menu. Because the browser is a common software of smart terminals, the browser format file of this embodiment can be directly opened on most smart terminals. It should be noted that opening the browser format file mentioned here means that the browser loads the browser format file, and does not display the valid data content of the browser format file.

S22: Send a viewing request to the server through the browser, and the viewing request includes user account information. The viewing request includes the tag information of the browser format file, and the server can find the file management information corresponding to the browser format file according to the tag information. After the browser loads the browser format file, according to the preset program of the browser format file, the browser is instructed to send a viewing request to the server. The viewing request contains user account information, where the user account information is entered by the user or the IP of the user terminal is read Tag information such as an address or a physical address that can uniquely identify a user account.

S23. The server verifies whether the user account information is legal according to the file management information. The server first searches for the file management information corresponding to the mark information according to the mark information of the browser format file in the viewing request, that is, finds the file management information corresponding to the browser format file. Further, the file management information of the server includes the legal user account set by the file management terminal, that is, the user account authorized to view the browser format file, and the server can verify whether the user account information in the view request is legal according to the legal user account.

S24. After verification, if the user account information is legal, the server sends a viewing permission instruction to the user terminal, and the user terminal displays the valid data content of the browser format file on the browser according to the viewing permission instruction. If the user account information is illegal, the server sends a viewing prohibition instruction to the user terminal, and the user terminal cannot display the valid data content of the browser format file on the browser.

Alternatively, the file management method of this embodiment further includes a file management information modification process:

S31. The file management terminal sends the modification information to the server, and the server modifies the file management information according to the modification information. The file management terminal can realize the management of the right to use the file by modifying the file management information, such as adjusting the legal user account.

In this embodiment, the management authority of the file is stored on the server, and it is required that each use of the file needs to be verified by the server, and the file is allowed to be viewed after the verification is passed, effectively restricting the right to use the file.

Example

Referring to FIG. 3, in the file management method of this embodiment, the browser format file is an encrypted file, and the key corresponding to the browser format file is stored in the file management information. After receiving the browser format file, the user terminal executes the following steps each time it views the browser format file:

S23. The server verifies whether the user account information is legal according to the file management information. The server first searches for the file management information corresponding to the mark information according to the mark information of the browser format file in the viewing request, that is, finds the file management information corresponding to the browser format file. Further, the file management information of the server includes the legal user account set by the file management terminal, that is, the user account authorized to view the browser format file, and the server can verify whether the user account information in the view request is legal according to the legal user account. The user account information of the server also stores the key corresponding to the browser format file.

S241. After verification, if the user account information is valid, the server sends the key corresponding to the browser format file to the user terminal, and the user terminal decrypts the browser format file according to the key, and displays the valid data content of the browser format file on the browser . If the user account information is illegal, the server sends a viewing prohibition instruction to the user terminal, and the user terminal cannot display the valid data content of the browser format file on the browser.

Alternatively, the key in this embodiment is transmitted in cipher text, that is, the user terminal cannot display the key, the browser format file contains a cipher text recognition program for recognizing the cipher text, and the key is directly processed by the browser. This can effectively avoid the disclosure of the key.

In this embodiment, the management authority and key of the file are stored on the server, and the file needs to be verified by the server every time the file is used, and the file is allowed to be viewed after the verification is passed, effectively restricting the right to use the file.

Example

Referring to FIG. 4, in the file management method of this embodiment, after receiving the browser format file, the user terminal executes the following steps every time the browser format file is viewed:

S22. Send a viewing request to the server through the browser, and the viewing request includes the user's mobile phone number. The viewing request also includes tag information of the browser format file, and the server can find file management information corresponding to the browser format file according to the tag information. After the browser loads the browser format file, according to the preset program of the browser format file, the browser is instructed to send a viewing request to the server. The viewing request includes the user's mobile phone number, and the user's mobile phone number is input by the user.

S231: The server verifies whether the user's mobile phone number is legal according to the file management information. The server first searches for the file management information corresponding to the mark information according to the mark information of the browser format file in the viewing request, that is, finds the file management information corresponding to the browser format file. Further, the file management information of the server includes the legal mobile phone number set by the file management terminal, that is, the mobile phone number that is authorized to view the browser format file, and the server can verify whether the user mobile phone number in the view request is legal based on the legal mobile phone number.

S242. After verification, if the user's mobile phone number is legal, the server sends a verification code to the user terminal, and the user terminal displays the valid data content of the browser format file on the browser according to the verification code.

Alternatively, if the browser format file allows temporary users to view, the server only needs to record the temporary user's mobile phone number and use file records.

In this embodiment, the file management authority is stored on the server, and it is required that every time a file is used, it needs to be verified by the server, and the user's mobile phone number can be verified, which is convenient for the user to operate; the file is allowed to be viewed after the verification is passed, effectively restricting the use of the file right.

Example

Referring to Figure 5, after the user terminal receives the browser format file, the following steps are executed each time the browser format file is viewed:

Further, the file management information in this embodiment also includes the preset number of file viewing times, that is, the number of times a certain legitimate user account is allowed to view files. The server records the use record information of each browser format file. Every time a user views a file, the server records a use record of the user account in the file management information. When the number of views reaches the preset number of file views, the user account Can no longer view the file. That is, perform the following steps:

S24. After verification, if the user account information is legal and the number of times the user account information has been viewed does not reach the preset file viewing times, the server sends a viewing permission instruction to the user terminal, and the user terminal displays the browser format on the browser according to the viewing permission instruction The valid data content of the file. If the user account information is illegal or the legal user account information reaches the preset file viewing times, the server sends a viewing prohibition instruction to the user terminal, and the user terminal cannot display the valid data content of the browser format file on the browser.

In this embodiment, it not only verifies whether the user account is a legitimate account, but also verifies whether the use times of the legitimate account reaches the preset file viewing times, and realizes the management of the file use times.

Example

Referring to Figure 6, after the user terminal receives the browser format file, the following steps are executed each time the browser format file is viewed:

Further, the file management information of this embodiment also includes the preset file viewing time, that is, the time when a certain legitimate user account is allowed to view the file. The server records the use record information of each browser format file. Every time a user views a file, the server records a use record of the user account in the file management information. When the cumulative viewing time reaches the preset file viewing time, the user account You can no longer view the file. That is, perform the following steps:

S24. After verification, if the user account information is legal and the viewing time of the user account information has not reached the preset file viewing time, the server sends a viewing permission instruction to the user terminal, and the user terminal displays the browser format on the browser according to the viewing permission instruction The valid data content of the file. If the user account information is illegal or the legal user account information reaches the preset file viewing time, the server sends a viewing prohibition instruction to the user terminal, and the user terminal cannot display the valid data content of the browser format file on the browser.

In this embodiment, it not only verifies whether the user account is a legal account, but also verifies whether the use time of the legal account reaches the preset file viewing time, so as to realize the management of the file use time.

Example

On the basis of the foregoing embodiment, the browser format file in the file management method of this embodiment includes a data body and a data chromosome, wherein the data body is the data to be transmitted; the data chromosome is the attribute information of the data body; the data chromosome includes: The identity gene used to indicate the identity information of the browser format file; the internal characteristic gene used to indicate the internal data status of the browser format file; the life characteristic gene used to describe the life characteristics of the browser format file; the current characteristic gene used to describe the browser format file State characteristic gene of state; system control gene used for system control. The descriptions are made separately below.

The identity gene includes: the unique identification ID of the browser format file and MD5 summary information.

Internal characteristic genes include: data type, MD5 summary value, character size value, text encoding format information, file extension, and creation time.

The vital signs genes include: permission information used to limit the viewing permission of browser format files, spread width information used to limit the viewing range of browser format files, spread depth information used to limit the number of forwarding layers of browser format files, and browse The life information of the processor format file and the ownership information used to limit the ownership of the data. When the user terminal opens the browser format file, it can be opened by double-clicking or by selecting the browser from the menu. Because the browser is a common software of smart terminals, the browser format file of this embodiment can be directly opened on most smart terminals. It should be noted that opening the browser format file mentioned here means that the browser loads the browser format file, and does not display the valid data content of the browser format file. After the browser of the user terminal loads the browser format file, the browser receives or reads the user account information of the user terminal, and the browser verifies the authority information, propagation width information, and propagation depth of the user account information corresponding to the user account information Whether the information, life information, and ownership information are all legal. After verification, if the authority information, propagation width information, propagation depth information of the forwarding layer number, life information, and ownership information corresponding to the user account information are all legal, the valid data content of the browser format file is displayed on the browser. If one or more of the authority information, the spread width information, the spread depth information of the forwarding layer number, the lifespan information, and the ownership information corresponding to the user account information is legal, it is forbidden to display the valid data content of the browser format file on the browser.

Permission information includes everyone visible and allows search permissions, everyone visible and does not allow search permissions, browser format file creators and preset users are visible and allow search permissions, browser format file creators and preset users are visible and not allowed Search permissions. After the browser of the user terminal loads the browser format file, the browser receives or reads the user account information of the user terminal, and the browser verifies whether the information corresponding to the user account information meets the authority information. After verification, if the authority information corresponding to the user account information is all legal, the valid data content of the browser format file is displayed on the browser. If one or more of the authority information corresponding to the user account information is legal, it is forbidden to display the valid data content of the browser format file on the browser.

The status feature genes include: current spread width information of the browser format file and current spread depth information of the browser format file, where the browser format file can record its own spread width information and spread depth information.

The system control gene includes the serial number of the asynchronous protocol command frame used to match the command result and the activation gateway used to verify the identification.

Alternatively, the data chromosome consists of key-value pairs, where the keys are strings.

In this embodiment, the management authority of the file is stored on the server, and it is required that each use of the file needs to be verified by the server, and the file is allowed to be viewed after the verification is passed; and the browser format file itself also has the file management function, which effectively restricts the use of the file right.

The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts between the various embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method part.

Professionals may further realize that the units and algorithm steps of the examples described in the embodiments disclosed in this article can be implemented by electronic hardware, computer software, or a combination of both, in order to clearly illustrate the possibilities of hardware and software. Interchangeability, in the above description, the composition and steps of each example have been generally described in accordance with the function. Whether these functions are performed by hardware or software depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered as going beyond the scope of the present invention.

The steps of the method or algorithm described in combination with the embodiments disclosed in this document can be directly implemented by hardware, a software module executed by a processor, or a combination of the two. The software module can be placed in random access memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disks, removable disks, CD-ROMs, or all areas in the technical field. Any other known storage media.

The above embodiments are only to illustrate the technical concept and features of the present invention, and their purpose is to enable those familiar with the technology to understand the content of the present invention and implement them accordingly, and do not limit the protection scope of the present invention. All equivalent changes and modifications made to the scope of the claims of the present invention shall fall within the scope of the claims of the present invention.

Claims

A file management method, characterized in that it comprises:

Browser format file generation process:

S11. The file management terminal generates a browser format file and file management information, where the browser format file is a file viewed using a browser, and the browser format file includes valid data content;

S12. Send the browser format file to the user terminal, and send the file management information to the server;

Perform the following steps each time you view the browser format file:

S21: After receiving the file opening instruction, the user terminal invokes a browser to open the browser format file;

S22. Send a viewing request to the server through the browser, where the viewing request includes user account information;

S23. The server verifies whether the user account information is legal according to the file management information;

S24. If yes, the server sends a viewing permission instruction to the user terminal, and the user terminal displays the valid data content of the browser format file on the browser according to the viewing permission instruction.
The file management method according to claim 1, wherein the browser format file is an encrypted file, and the key corresponding to the browser format file is stored in the file management information; the step S24 comprises:

S241. If yes, the server sends the key corresponding to the browser format file to the user terminal, and the user terminal displays the valid data content of the browser format file on the browser according to the key.
The file management method according to claim 2, wherein the key is transmitted in cipher text, and the browser format file contains a cipher text recognition program for recognizing the cipher text.
The file management method according to claim 1, characterized in that it further comprises a process of modifying file management information:

S31. The file management terminal sends modification information to the server, and the server modifies the file management information according to the modification information.
The file management method according to claim 1, wherein the user account information in the step S22 is a user's mobile phone number, and the step S23 includes: S231. The server verifies the file according to the file management information. Whether the user's mobile phone number is legal;

The step S24 includes: S242. If yes, the server sends a verification code to the user terminal, and the user terminal displays the valid data content of the browser format file on the browser according to the verification code.
The file management method according to claim 1, wherein the browser format file includes a data body and a data chromosome, wherein the data body is the data to be transmitted; the data chromosome is attribute information of the data body ; The data chromosome includes:

The identity gene used to indicate the identity information of the browser format file;

Internal characteristic genes used to indicate the internal data status of the browser format file;

A vital characteristic gene used to describe the vital characteristic of the browser format file;

A state characteristic gene used to describe the current state of the browser format file;

System control genes for system control.
The file management method according to claim 6, wherein the identity gene comprises: a unique identification ID and MD5 summary information of the browser format file;

The internal characteristic genes include: data type, MD5 summary value, character size value, text encoding format information, file extension, and creation time;

The vital sign gene includes: permission information used to limit the viewing permission of the browser format file, spread width information used to limit the viewing range of the browser format file, and used to limit the forwarding of the browser format file The spreading depth information of the number of layers, the life information of the browser format file, and the ownership information used to limit the ownership of the data;

The permission information includes the permission to be visible to all and allow search permissions, the permission to be visible to all and search permission is not allowed, the creator of the browser format file and the preset user are visible and permission to search, the maker of the browser format file, and the permission to search. Set user visibility and do not allow search permissions;

The state characteristic gene includes: the current spread width information of the browser format file and the current spread depth information of the browser format file;

The system control gene includes the sequence number of the asynchronous protocol command frame used to match the command result and the activation gateway used to verify the identification.
The file management method according to claim 6, wherein the data chromosome is composed of key-value pairs, wherein the key is a character string.
The file management method according to claim 1, wherein the file management information includes preset file viewing times, and the step S23 includes:

S232: The server judges whether the number of times the user account information has been viewed has not reached the preset number of file views.
The file management method according to claim 1, wherein the file management information includes a preset file viewing time, and the step S23 includes:

S233: The server judges whether the checked time of the user account information has not reached the preset file checking time.
The file management method according to claim 1, characterized in that it further comprises a process of recording usage information:

The server records the usage record information of each browser format file.
The file management method according to claim 1, wherein the browser format file is an HTML file.