CN113778950B - Method for acquiring trusted file, index server, query server and medium - Google Patents
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/14—Details of searching files based on file metadata
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/13—File access structures, e.g. distributed indices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2455—Query execution
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention provides a method for acquiring a trusted file, an index server, a query server and a medium, wherein the method comprises the following steps: receiving a query request sent by a query server, wherein the query request comprises a first keyword, and the first keyword is part of the content of a first credit file requested to be queried by the query server; acquiring first basic information according to the query request; and determining a first keyword and a first storage path associated with the first basic information, and feeding back the first storage path to the query server, wherein the first storage path is used for the query server to acquire a first credit file from the blockchain node. According to the invention, through the keywords corresponding to part of the contents of the credit files, the credit files to be acquired by the user can be accurately positioned by searching all the credit files of the user corresponding to the basic information, and the credit files of the user are not required to be compared one by one, so that the inquiry efficiency of the credit files is improved.
Description
Technical Field
The present invention relates to network communication technologies, and in particular, to a method for acquiring a trusted file, an index server, a query server, and a medium.
Background
With the gradual development of the Internet, industry short messages show an increasingly common and year-by-year trend in marketing, but also show an increasingly year-by-year trend in harassment and complaint of users.
In order to prevent harassment of marketing type short messages to users, management of marketing short messages including a letter bureau and an operator always adopts a user credit granting mode, namely, if a merchant wants to market the users, the merchant needs to acquire the credit granting of the users. The user trust generally adopts a file mode, and the trust file is stored in the blockchain node so as to ensure that the trust file of the user is not tampered.
The inquiry of the prior trusted file can only be carried out through the fields which are preset by the mobile phone number of the user and the like. Therefore, in the process of actually extracting the trust files, only all the stored trust files of the user on the blockchain node can be queried, and the final trust files can be determined after the user is required to compare all the trust files one by one. It can be seen that the query efficiency of the trusted file is low.
Disclosure of Invention
The invention provides a method for acquiring a trusted file, an index server, a query server and a medium, which are used for solving the problem of low query efficiency of the trusted file.
In one aspect, the present invention provides a method for acquiring a trusted file, which is applied to an index server, and includes:
receiving a query request sent by a query server, wherein the query request comprises a first keyword, and the first keyword is part of the content of a first credit file requested to be queried by the query server;
acquiring first basic information according to the query request, wherein the first basic information comprises at least one of user information, merchant information, service type and credit giving time corresponding to the first credit giving file;
determining the first keyword and a first storage path associated with the first basic information, and feeding back the first storage path to the query server, wherein the first storage path is used for the query server to acquire the first trust file from a block chain link point, and sending the first trust file to a user terminal.
Optionally, before the step of receiving the query request, the method further includes:
receiving a second trust file, a second storage path corresponding to the second trust file and second basic information corresponding to the second trust file, which are sent by the query server, wherein the second storage path is a path for storing the second trust file by the block chain link point;
Creating each second keyword corresponding to the second trust file according to all contents of the second trust file;
and storing the second keywords, the second storage path and the second basic information in an associated mode, and sending the second keywords to the query server.
Optionally, the step of feeding back the first storage path to the query server includes:
acquiring each third keyword associated with the first storage path;
and sending the first basic information, the third keywords and the first storage path to the query server, wherein the first basic information is used for determining whether the stored basic information is tampered or not by the query server, and the third keywords are used for determining whether the stored keywords are tampered or not by the query server.
On the other hand, the invention also provides a method for acquiring the trusted file, which is applied to the query server and comprises the following steps:
receiving a query request sent by a user terminal, and sending the query request to an index server, wherein the query request comprises a first keyword, and the first keyword is part of the content of a first credit file requested to be queried by the user terminal;
Receiving a first storage path of the first authorization file fed back by the index server, and sending the first storage path to a blockchain node, wherein the first storage path is acquired by the index server according to first basic information and the first keyword, and the first basic information comprises at least one of user information, merchant information, service type and credit time corresponding to the first authorization file;
and receiving the first credit file fed back by the block chain node, and sending the first credit file to the user terminal.
Optionally, before the step of receiving the query request sent by the user terminal, the method further includes:
receiving a second trust file sent by the user terminal, and sending the second trust file to the blockchain node;
receiving a second storage path of the second trust file fed back by the blockchain node, and creating second basic information corresponding to the second trust file, wherein the second basic information comprises at least one of user information, merchant information, service type and trust time corresponding to the second trust file;
Transmitting the second trust file, the second storage path and the second basic information to the index server, wherein the index server creates each second keyword of the second trust file;
and receiving and storing each second keyword fed back by the index server, and sending each second keyword to the user terminal.
Optionally, the step of receiving the first storage path of the first authorization file fed back by the index server includes:
receiving a response message of the query request fed back by the index server, wherein the response message of the query request comprises the first storage path, and the response message of the query request also comprises each third keyword and the first basic information, and the third keywords and the first storage path are associated and stored in the index server;
after receiving the first trust file fed back by the blockchain node, the method further includes:
comparing each third keyword with each second keyword, and comparing the first basic information with the second basic information;
when the third keywords do not have the same keywords in the second keywords, updating the second keywords according to the third keywords;
And when the first basic information is different from the second basic information, updating the second basic information according to the first basic information.
Optionally, after the step of receiving the first trust file fed back by the blockchain node, the method further includes:
acquiring a first hash value of a second trust file identical to the first trust file, and calculating a second hash value of the first trust file;
comparing the first hash value with the second hash value;
and when the first hash value is different from the second hash value, updating the second trust file which is the same as the first trust file according to the first trust file.
In another aspect, the present invention also provides an index server, including:
the first receiving module is used for receiving a query request sent by a query server, wherein the query request comprises a first keyword, and the first keyword is part of the content of a first trust file requested to be queried by the query server;
the acquisition module is used for acquiring first basic information according to the query request, wherein the first basic information comprises at least one of user information, merchant information, service type and credit giving time corresponding to the first credit giving file;
The determining module is configured to determine a first keyword and a first storage path associated with the first basic information, and feed back the first storage path to the query server, where the first storage path is used for the query server to obtain the first trust file from a block link point, and send the first trust file to a user terminal.
In another aspect, the present invention also provides an index server, including: a memory and a processor;
the memory stores computer-executable instructions;
the processor executes the computer-executable instructions stored in the memory, so that the processor executes the method for acquiring the trusted file as described above.
In another aspect, the present invention further provides a query server, including:
the second receiving module is used for receiving a query request sent by a user terminal and sending the query request to the index server, wherein the query request comprises a first keyword, and the first keyword is part of the content of a first credit file which is requested to be queried by the user terminal;
the second receiving module is configured to receive a first storage path of the first authorization file fed back by the index server, and send the first storage path to a blockchain node, where the first storage path is acquired by the index server according to first basic information and the first keyword, and the first basic information includes at least one of user information, merchant information, a service type, and a trusted time corresponding to the first authorization file;
The second receiving module is configured to receive the first trust file fed back by the blockchain node.
In another aspect, the present invention further provides a query server, including: a memory and a processor;
the memory stores computer-executable instructions;
the processor executes the computer-executable instructions stored in the memory, so that the processor executes the method for acquiring the trusted file as described above.
On the other hand, the invention also provides a medium, wherein the medium stores computer execution instructions, and the computer execution instructions are used for realizing the method for acquiring the trust file when being executed by a processor.
The method for acquiring the trusted file, the index server, the query server and the medium provided by the invention are used for receiving the query request sent by the query server, acquiring the keyword and the basic information through the query request, acquiring the storage path based on the keyword and the basic information, sending the storage path to the query server, enabling the query server to acquire the trusted file from the blockchain node based on the storage path, and sending the trusted file to the user terminal. According to the invention, through the keywords corresponding to part of the contents of the credit files, the credit files to be acquired by the user can be accurately positioned by searching all the credit files of the user corresponding to the basic information, and the credit files of the user are not required to be compared one by one, so that the inquiry efficiency of the credit files is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a system architecture diagram of a method for implementing acquisition of a trusted file according to the present invention;
FIG. 2 is a flowchart of a first embodiment of a method for acquiring a trusted file according to the present invention;
FIG. 3 is a flowchart illustrating a second embodiment of a method for acquiring a trusted file according to the present invention;
FIG. 4 is a flowchart illustrating a third embodiment of a method for acquiring a trusted file according to the present invention;
FIG. 5 is a flowchart of a fourth embodiment of a method for acquiring a trusted file according to the present invention;
FIG. 6 is an interactive diagram of a trusted document depository according to the present invention;
FIG. 7 is an interactive diagram of evidence collection of a trusted file according to the present invention;
FIG. 8 is a block diagram of an index server according to the present invention;
FIG. 9 is a block diagram of a query server according to the present invention;
fig. 10 is a schematic hardware structure of the index server/query server of the present invention.
Specific embodiments of the present disclosure have been shown by way of the above drawings and will be described in more detail below. These drawings and the written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the disclosed concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
The invention provides a method for acquiring a trusted file, which can be realized through a system framework diagram shown in fig. 1. As shown in fig. 1, the blockchain certification platform, the blockchain full-text index platform and the distributed certification platform are connected through network communication.
The blockchain certification platform adopts a blockchain intelligent contract to store user credit records, and each credit record comprises: basic information (the basic information comprises users, merchants, business types and the like), blockchain transaction IDs, credit file path information, credit file Hash information and credit file keyword abstract information; meanwhile, the fact that the trusted information cannot be tampered is guaranteed. The block chain certification platform is composed of a plurality of network management nodes, a plurality of consensus nodes and a query server, wherein the gateway nodes are in communication connection with the consensus nodes through the query server.
The distributed storage platform adopts a distributed storage technology, such as HDFS and other technologies to store the user trusted file. Distributed storage ensures that trusted files are not lost. The distributed storage platform comprises a plurality of storage nodes and a storage server, wherein the storage server is in communication connection with each storage node, and the storage nodes are blockchain nodes.
The block chain full-text index platform stores full-text index information of the user trusted file, a main key is a keyword, and other fields comprise basic information, block chain transaction ID, keyword abstract information and the like.
The merchant, the user or the supervision department firstly sends the credit file to the blockchain certification platform through the held terminal, the blockchain certification platform forwards the credit file to the distributed storage platform, and the distributed storage platform stores the credit file in one of the storage nodes and feeds back the storage path of the credit file to the blockchain certification platform. The block chain certification platform creates basic information of the credit file, wherein the basic information comprises user information, merchant information, service type of the credit file, credit time of the credit file and the like. The block chain full text index platform is used for carrying out full text index on the trust file so as to construct each keyword of the trust file, storing the storage path, each keyword and the basic information in an associated mode, deleting the trust file and sending each keyword to the block chain verification platform. And the blockchain certification platform returns the keywords to terminals held by merchants, users and administrative departments. When a user, a merchant or a supervision department needs to acquire the credit file, a query request generated through keywords of the terminal is sent to the blockchain certification platform. The block chain full text index platform transmits a query request to the block chain full text index platform, the block chain full text index platform analyzes the query request to obtain keywords and obtains basic information related to the keywords, so that a related storage path is obtained through the keywords and the basic information, the block chain full text index platform transmits the storage path to the block chain certification platform, the block chain certification platform transmits the storage path to the distributed storage platform, the distributed storage platform obtains a credit file from a storage node through the storage path, the credit file is fed back to the block chain certification platform, and finally the block chain certification platform transmits the credit file to a terminal, so that the evidence collection of the credit file by a user is completed.
The following describes the technical scheme of the present invention and how the technical scheme of the present application solves the above technical problems in detail with specific embodiments. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
Referring to fig. 2, fig. 2 is a first embodiment of a method for acquiring a trusted file of the present invention, which is applied to an index server, and the method for acquiring a trusted file includes the following steps:
step S10, a query request sent by a query server is received, wherein the query request comprises a first keyword, and the first keyword is part of contents of a first credit file requested to be queried by the query server.
In this embodiment, the execution subject is an index server. The index server is loaded with an application program corresponding to the blockchain full-text index platform, namely the index server stores a blockchain transaction ID list, a summary information list of keywords, basic information and the like. Specifically, the index server stores the data as shown in Table-1:
TABLE-1
As shown in Table-1, the index server stores basic information of the trusted file, such as a blockchain transaction ID of the trusted file, user information (such as a trusted user list), merchant information (such as a merchant number list), service type of the trusted file, and trusted time. The index server also stores keywords corresponding to the trusted file and a keyword abstract information list composed of a plurality of keywords. The key words are generated by the index server according to the whole content of the trusted file, namely, the key words are part of the content of the trusted file.
And when the user needs to acquire the trusted file, sending a query request to a query server. The inquiry request comprises keywords of the trusted file which the user needs to acquire. Here, the trust file that the user needs to acquire is defined as a first trust file, and the keyword of the trust file that the user needs to acquire is defined as a first keyword. The query server forwards the query request to the index server. The index server obtains a first keyword from the query request. The inquiry server is loaded with an application program corresponding to a user credit card storage platform, wherein the user credit card storage platform refers to a platform for storing credit files for users and merchants.
Step S20, obtaining first basic information according to the query request, wherein the first basic information comprises at least one of user information, merchant information, service type and credit giving time corresponding to the first credit giving file.
The index server is used for storing the storage path of the trusted file, the basic information of the trusted file and the keywords of the trusted file in an associated mode. After obtaining the query request, the index server can obtain the first basic information based on the query request. Specifically, the query request includes a first keyword, and the index server may obtain first basic information associated with the first keyword, where the first basic information includes at least one of user information, merchant information, a service type, and a trusted time corresponding to the first trusted file. In addition, the query request is forwarded to the index server by the query server, so that the query request carries the identifier of the user terminal, the index server acquires each piece of basic information corresponding to the identifier, and the first basic information is determined in each piece of basic information through the first keyword. The first basic information refers to basic information obtained by the index server according to the query request.
Step S30, determining a first keyword and a first storage path associated with first basic information, and feeding back the first storage path to a query server, wherein the first storage path is used for the query server to acquire a first trust file from a blockchain node, and sending the first trust file to a user terminal.
After obtaining the first keyword and the first basic information, the index server can obtain a first storage path associated with the first keyword and the first basic information. The first storage path may be considered as a path in which the first trust file is stored at the blockchain node. The index server feeds back the first storage path to the query server, the query server sends the first storage path to the blockchain node, so that the blockchain node obtains the first credit file based on the first storage path, the first credit file is fed back to the query server, and the query server hands over the first credit file to the user terminal, so that the user obtains the first credit file. In addition, the query server may send the first storage path to the storage server, where the storage server obtains the first trust file from the blockchain node corresponding to the first storage path, and then sends the first trust file to the query server. The storage server is loaded with an application program of the trusted file storage platform.
In the technical scheme provided by the embodiment, a query request sent by a query server is received, keywords and basic information are acquired through the query request, so that a storage path is acquired based on the keywords and the basic information, the storage path is sent to the query server, the query server acquires a trust file from a blockchain node based on the storage path, and the trust file is sent to a user terminal. According to the invention, through the keywords corresponding to part of the contents of the credit files, the credit files to be acquired by the user can be accurately positioned by searching all the credit files of the user corresponding to the basic information, and the credit files of the user are not required to be compared one by one, so that the inquiry efficiency of the credit files is improved.
Referring to fig. 3, fig. 3 is a second embodiment of the method for acquiring a trusted file according to the present invention, based on the first embodiment, before step S10, further includes:
step S40, a second trust file, a second storage path corresponding to the second trust file and second basic information corresponding to the second trust file, which are sent by the query server, are received, wherein the second storage path is a path of the blockchain node for storing the second trust file.
And S50, creating each second keyword corresponding to the second trust file according to all contents of the second trust file.
And step S60, storing each second keyword, the second storage path and the second basic information in an associated mode, and sending each second keyword to the query server.
In this embodiment, the user, the merchant or the supervisor of the trusted file submits the trusted file to the trusted document platform, that is, the trusted file is transmitted to the query server for storing the trusted file. And defining the trusted file to be stored as a second trusted file. The query server forwards the second trust file to the storage server, the storage server stores the second trust file to the blockchain node to obtain a path of the second trust file stored at the blockchain node, and the path is defined as a second storage path. The storage server returns the second storage path to the query server, and the query server creates second basic information of the second trust file, wherein the second basic information is user information, merchant information, service type, trust time and the like of the trust file. The user information comprises information such as a user mobile phone number, a blockchain transaction ID of the credit file, an identity card of the user and the like, and the merchant information comprises a merchant number, a blockchain added ID of the credit file, the identity card of the merchant and mobile phone number information. In addition, the query server calculates a hash value of the second trusted file.
And the query server sends the second credit file, the second basic information and the second storage path to the index server. The index server carries out full-text index on the second trust file to create each second keyword of the second trust file, namely, creates each second keyword based on all contents of the second trust file. The index server stores the second keywords, the second storage path and the second basic information, feeds back the second keywords to the query server, and deletes the second trust file at the same time so as to save the storage space of the query server.
And the query server carries out association storage on each second keyword, the second basic information and the second storage path to form a credit record. The data structure of the trust record is shown in table-2:
TABLE-2
The query server sends each second keyword to the user terminal, so that the user terminal can obtain the stored second credit file through each second keyword.
In the technical scheme provided by the embodiment, the index server receives the second trust file, the second storage path of the second trust file and the second basic information sent by the query server, so that full-text indexing is performed on all contents of the second trust file to create each second keyword of the second trust file, each second keyword, the second storage path and the second basic information are stored in an associated mode, and each second keyword is sent to the query server, so that a user can accurately obtain the required trust file through the second keywords.
In one embodiment, the step of feeding back the first storage path to the query server comprises:
acquiring each third keyword associated with the first storage path;
and sending the first basic information, each third keyword and the first storage path to the query server, wherein the first basic information is used for determining whether the stored basic information is tampered or not by the query server, and the third keywords are used for determining whether the stored keywords are tampered or not by the query server.
In this embodiment, the query request includes a first keyword that the user obtains the first trust file, and the index server may obtain a first storage path through the first keyword and the first basic information, and then obtain each third keyword through the first storage path, where each third keyword is all keywords that the first trust file stores in the index server. And the index server sends the first storage path, each third keyword and the first basic information to the query server. The query server is actually a server for business to and from, and the trust record stored in the query server may be tampered. After obtaining the first basic information, the query server compares the first basic information with the basic information corresponding to the first credit file stored by the query server so as to determine whether the basic information stored by the query server is tampered, and if so, the stored basic information is replaced by the first basic information. After obtaining each third keyword, the query server compares each third keyword with each keyword of the stored first credit file to determine whether the stored keyword is tampered, and if yes, each stored keyword is replaced by the third keyword.
The invention provides a method for acquiring a trusted file.
Referring to fig. 4, fig. 4 is a third embodiment of a method for acquiring a trusted file of the present invention, which is applied to a query server, where the method for acquiring a trusted file includes:
step S100, a query request sent by a user terminal is received, and the query request is sent to an index server, wherein the query request comprises a first keyword, and the first keyword is part of the content of a first credit file requested to be queried by the user terminal.
In this embodiment, the execution subject is a query server. And when the user needs to acquire the trusted file, sending a query request to a query server. The inquiry request comprises keywords of the trusted file which the user needs to acquire. Here, the trust file that the user needs to acquire is defined as a first trust file, and the keyword of the trust file that the user needs to acquire is defined as a first keyword. The query server forwards the query request to the index server. The index server obtains a first keyword from the query request. The inquiry server is loaded with an application program corresponding to a user credit card storage platform, wherein the user credit card storage platform refers to a platform for storing credit files for users and merchants.
The index server is loaded with an application program corresponding to the blockchain full-text index platform, namely the index server stores a blockchain transaction ID list, a summary information list of keywords, basic information and the like. Specifically, the index server stores the data as shown in Table-1:
TABLE-1
As shown in Table-1, the index server stores basic information of the trusted file, such as a blockchain transaction ID of the trusted file, user information (such as a trusted user list), merchant information (such as a merchant number list), service type of the trusted file, and trusted time. The index server also stores keywords corresponding to the trusted file and a keyword abstract information list composed of a plurality of keywords. The key words are generated by the index server according to the whole content of the trusted file, namely, the key words are part of the content of the trusted file. The index server is used for storing the storage path of the trusted file, the basic information of the trusted file and the keywords of the trusted file in an associated mode. After obtaining the query request, the index server can obtain the first basic information based on the query request. Specifically, the query request includes a first keyword, and the index server may obtain first basic information associated with the first keyword, where the first basic information includes at least one of user information, merchant information, a service type, and a trusted time corresponding to the first trusted file. In addition, the query request is forwarded to the index server by the query server, so that the query request carries the identifier of the user terminal, the index server acquires each piece of basic information corresponding to the identifier, and the first basic information is determined in each piece of basic information through the first keyword. The first basic information refers to basic information obtained by the index server according to the query request.
Step S200, a first storage path of a first authorization file fed back by an index server is received, and the first storage path is sent to a blockchain node, wherein the first storage path is acquired by the index server according to first basic information and a first keyword, and the first basic information comprises at least one of user information, merchant information, service type and trusted time corresponding to the first authorization file.
After obtaining the first keyword and the first basic information, the index server can obtain a first storage path associated with the first keyword and the first basic information. The first storage path may be considered as a path in which the first trust file is stored at the blockchain node.
The index server feeds back the first storage path to the query server, and the query server sends the first storage path to the blockchain node, so that the blockchain node obtains the first trust file based on the first storage path, and feeds back the first trust file to the query server, namely the query server indirectly obtains the first trust file from the blockchain node. In addition, the query server may send the first storage path to the storage server, where the storage server obtains the first trust file from the blockchain node corresponding to the first storage path, and then sends the first trust file to the query server, that is, the query server directly obtains the first trust file from the blockchain node. The storage server is loaded with an application program of the trusted file storage platform.
Step S300, a first trust file fed back by the block chain node is received, and the first trust file is sent to the user terminal.
The query server receives the first credit file directly or indirectly fed back by the block chain link point, and then the query server sends the first credit file to the user terminal, so that the user obtains the first credit file.
In the technical scheme provided by the embodiment, after receiving the query request of the user terminal, the query request is sent to the index server, and then the storage path of the trust file obtained by the index server based on the query request is received, so that the trust file is obtained from the blockchain node based on the storage path, and the trust file is sent to the user terminal. According to the invention, through the keywords corresponding to part of the contents of the credit files, the credit files to be acquired by the user can be accurately positioned by searching all the credit files of the user corresponding to the basic information, and the credit files of the user are not required to be compared one by one, so that the inquiry efficiency of the credit files is improved.
Referring to fig. 5, fig. 5 is a fourth embodiment of a method for acquiring a trusted file according to the present invention, based on the third embodiment, before step S100, including:
Step S400, receiving a second trust file sent by the user terminal, and sending the second trust file to the blockchain node.
Step S500, a second storage path of a second credit file fed back by the block chain node is received, and second basic information corresponding to the second credit file is created, wherein the second basic information comprises at least one of user information, merchant information, service type and credit time corresponding to the second credit file.
Step S600, the second trust file, the second storage path and the second basic information are sent to an index server, wherein the index server creates each second keyword of the second trust file.
And step S700, receiving and storing each second keyword fed back by the index server, and sending each second keyword to the user terminal.
In this embodiment, the user, the merchant or the supervisor of the trusted file submits the trusted file to the trusted document platform, that is, the trusted file is transmitted to the query server for storing the trusted file. And defining the trusted file to be stored as a second trusted file. The query server forwards the second trust file to the storage server, the storage server stores the second trust file to the blockchain node to obtain a path of the second trust file stored at the blockchain node, and the path is defined as a second storage path. The storage server returns the second storage path to the query server, and the query server creates second basic information of the second trust file, wherein the second basic information is user information, merchant information, service type, trust time and the like of the trust file. The user information comprises information such as a user mobile phone number, a blockchain transaction ID of the credit file, an identity card of the user and the like, and the merchant information comprises a merchant number, a blockchain added ID of the credit file, the identity card of the merchant and mobile phone number information. In addition, the query server calculates a hash value of the second trusted file.
And the query server sends the second credit file, the second basic information and the second storage path to the index server. The index server carries out full-text index on the second trust file to create each second keyword of the second trust file, namely, creates each second keyword based on all contents of the second trust file. The index server stores the second keywords, the second storage path and the second basic information, feeds back the second keywords to the query server, and deletes the second trust file at the same time so as to save the storage space of the query server.
And the query server carries out association storage on each second keyword and the second basic information second storage path to form a credit record. The data structure of the trust record is shown in table-2:
TABLE-2
The query server sends each second keyword to the user terminal, so that the user terminal can obtain the stored second credit file through each second keyword.
In the technical scheme provided by the embodiment, the query server receives the second trust file sent by the user terminal, sends the second trust file to the blockchain node for storage, sends the second storage path fed back by the blockchain node, the second basic information of the second trust file and the second trust file to the index server, so that the index server creates each second keyword of the second trust file, and sends each second keyword fed back by the index server to the user terminal, so that a user can accurately obtain the required trust file through the second keywords.
In an embodiment, when determining the first storage path, the index server feeds back a response message of the query request to the query information, where the response message includes each third keyword and the first basic information, and the third keywords are stored in association with the first storage path in the index server. After the first trust file fed back by the block chain link point is received, the query server compares each third keyword with each second keyword, and compares the first basic information with the second basic information. When the third keywords do not have the same keywords in the second keywords, updating the second keywords according to the third keywords, namely replacing the second keywords with the third keywords; when the first basic information is different from the second basic information, the second basic information is updated according to the first basic information, namely, the second basic information is replaced by the first basic information.
In an embodiment, after the query server receives the first trust file fed back by the block link point, the query server obtains a first hash value of a second trust file identical to the first trust file, and calculates a second hash value of the first trust file. The query server compares the first hash value with the second hash value. If the first hash value is different from the second hash value, the trusted file stored by the query server is tampered, and the query server updates the second trusted file which is the same as the first trusted file according to the first trusted file, namely, the tampered second trusted file is replaced by the first trusted file.
The method for acquiring the trusted file is divided into two stages, wherein the first stage is the evidence storage of the trusted file, and the second stage is the evidence acquisition of the trusted file. The two phases are briefly described below.
Referring to fig. 6, fig. 6 is an interaction diagram of a trusted document authentication process, and the specific steps are as follows:
1. the merchant submits a credit file to a user credit card platform (blockchain card platform), wherein the credit file is in an electronic form, such as Word and the like;
2. the credit card storage platform forwards the credit file to a credit file storage platform (a distributed storage platform) for distributed storage;
3. the trusted file is successfully stored in the trusted file storage platform and returned to the trusted file path;
4. the credit card storage platform creates a blockchain user credit record, calculates a credit file Hash value and updates field contents, such as basic information (users, merchants, service types and the like), a credit file path and a credit file Hash value, and the credit record data format is shown in table 1;
5. the credit card storage platform forwards the credit record information and the credit file to the blockchain full-text index platform;
6. the block chain full text index platform carries out full text index on the trusted file, creates the trusted record index information, and the data format of the index information is shown in table 2; after the full-text index record is successfully created, returning keyword abstract information of the credit card storage platform;
7. Updating a keyword abstract field in the credit record by the credit card storage platform;
8. the credit card storage platform informs the supervision and the user (namely the user mobile phone number) of the credit recording result;
9. the credit card storage platform informs the merchant of the credit record result.
Referring to fig. 7, fig. 7 is an interaction diagram of a trusted file evidence obtaining process, specifically comprising the following steps:
1. the supervisor or the user sends a evidence obtaining inquiry request to the user credit evidence storage platform, wherein the inquiry request is a keyword to be inquired;
2. and the user credit card storage platform forwards the request to the blockchain full-text index platform, and queries all blockchain transaction ID lists and keyword summary information lists thereof according to the keywords.
3. The blockchain full-text index platform returns a blockchain transaction ID list, a keyword summary information list and other basic information lists to the user credit authorization and evidence storage platform;
4. the user credit card platform expands the keyword query result list, searches the credit card records in the credit card platform according to the transaction ID for each record, and if the record is found, compares the basic information, the keyword abstract information in the user credit card platform with the information in the blockchain full-text index platform with the received information to verify that the credit card records stored in the credit card platform are not tampered;
5. According to the trusted file path queried by the user trusted memory platform, initiating query to the trusted file storage platform to acquire an original trusted file;
6. the trusted file storage platform returns the queried trusted file to the user trusted storage platform;
7. the user credit card platform calculates a Hash value of the credit file, compares the Hash value with the Hash value in the credit record in the user credit card platform, and determines that the credit file stored by the user credit card platform is not tampered;
8. and the user trust platform returns the trust record and the trust file to the supervision law or the user.
It should be noted that, the merchant, the supervisor and the user are user terminals in the above embodiment, the user trust and certification platform is a query server in the above embodiment, the blockchain full-text index platform is an index server in the above embodiment, the trust file storage platform is a storage server in the above embodiment, and the storage server is connected to a plurality of blockchain nodes.
The present invention also provides an index server, referring to fig. 8, an index server 800 includes:
a first receiving module 801, configured to receive a query request sent by a query server, where the query request includes a first keyword, and the first keyword is part of content of a first trust file requested to be queried by the query server;
The acquiring module 802 is configured to acquire first basic information according to the query request, where the first basic information includes at least one of user information, merchant information, a service type, and a trusted time corresponding to the first trusted file;
the determining module 803 is configured to determine a first keyword and a first storage path associated with the first basic information, and feed back the first storage path to the query server, where the first storage path is used for the query server to obtain a first trust file from the blockchain node, and send the first trust file to the user terminal.
In one embodiment, the index server 800 includes:
the first receiving module 801 is configured to receive a second trust file sent by the query server, a second storage path corresponding to the second trust file, and second basic information corresponding to the second trust file, where the second storage path is a path of the blockchain node storing the second trust file;
the creation module is used for creating each second keyword corresponding to the second trust file according to all the contents of the second trust file;
and the storage module is used for storing each second keyword, the second storage path and the second basic information in an associated mode and sending each second keyword to the query server.
In one embodiment, the index server 800 includes:
an obtaining module 802, configured to obtain each third keyword associated with the first storage path;
the sending module is used for sending the first basic information, each third keyword and the first storage path to the query server, wherein the first basic information is used for determining whether the stored basic information is tampered or not by the query server, and the third keywords are used for determining whether the stored keywords are tampered or not by the query server.
The present invention also provides a query server, referring to fig. 9, a query server 900 includes:
the second receiving module 901 is configured to receive a query request sent by a user terminal, and send the query request to an index server, where the query request includes a first keyword, and the first keyword is part of content of a first trust file that the user terminal requests to query;
the second receiving module 901 is configured to receive a first storage path of a first authorization file fed back by the index server, and send the first storage path to the blockchain node, where the first storage path is acquired by the index server according to first basic information and a first keyword, and the first basic information includes at least one of user information, merchant information, a service type, and a trusted time corresponding to the first authorization file;
The second receiving module 901 is configured to receive a first trust file fed back by the block link point, and send the first trust file to the user terminal.
In one embodiment, query server 900 includes:
the second receiving module 901 is configured to receive a second trust file sent by the user terminal, and send the second trust file to the blockchain node;
the second receiving module 901 is configured to receive a second storage path of a second trust file fed back by the blockchain node, and create second basic information corresponding to the second trust file, where the second basic information includes at least one of user information, merchant information, a service type, and trust time corresponding to the second trust file;
the sending module is used for sending the second credit file, the second storage path and the second basic information to the index server, wherein the index server creates each second keyword of the second credit file;
the second receiving module 901 is configured to receive and store each second keyword fed back by the index server, and send each second keyword to the user terminal.
In one embodiment, query server 900 includes:
the second receiving module 901 is configured to receive a response message of a query request fed back by the index server, where the response message of the query request includes a first storage path, the response message of the query request further includes each third keyword and first basic information, and the third keywords and the first storage path are stored in association with the index server;
The comparison module is used for comparing each third keyword with each second keyword and comparing the first basic information with the second basic information;
the updating module is used for updating each second keyword according to each third keyword when the third keywords do not have the same keywords in each second keyword;
and the updating module is used for updating the second basic information according to the first basic information when the first basic information is different from the second basic information.
In one embodiment, query server 900 includes:
the acquisition module is used for acquiring a first hash value of a second trust file identical to the first trust file and calculating a second hash value of the first trust file;
the comparison module is used for comparing the first hash value with the second hash value;
and the updating module is used for updating the second trust file which is the same as the first trust file according to the first trust file when the first hash value is different from the second hash value.
Fig. 10 is a hardware block diagram of an index server/query server, according to an example embodiment.
The index server/query server 1000 may include: a processor 1001, such as a CPU, a memory 1002, and a transceiver 1003. Those skilled in the art will appreciate that the structure shown in fig. 10 does not constitute a limitation of the index server/query server, and may include more or fewer components than shown, or may combine certain components, or may be arranged in a different arrangement of components. The memory 1002 may be implemented by any type or combination of volatile or nonvolatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
The processor 1001 may call a computer program stored in the memory 1002 to complete all or part of the steps of the method for acquiring a trusted file described above.
The transceiver 1003 is configured to receive information transmitted from an external device and transmit information to the external device.
A non-transitory computer readable storage medium, which when executed by a processor of an index server/query server, causes the index server/query server to perform the above-described trusted file acquisition method.
A computer program product comprising a computer program which, when executed by a processor of an index server/query server, enables the index server/query server to perform the above-described method of acquiring trusted files.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. The method for acquiring the trusted file is characterized by being applied to an index server and comprising the following steps:
receiving a query request sent by a query server, wherein the query request comprises a first keyword, and the first keyword is part of the content of a first credit file requested to be queried by the query server;
acquiring first basic information according to the query request, wherein the first basic information comprises at least one of user information, merchant information, service type and credit giving time corresponding to the first credit giving file;
determining a first keyword and a first storage path associated with the first basic information, and feeding back the first storage path to the query server, wherein the first storage path is used for the query server to acquire the first trust file from a block chain link point and send the first trust file to a user terminal;
The step of feeding back the first storage path to the query server includes:
acquiring each third keyword associated with the first storage path; the third keywords are all keywords stored in the index server by the first credit file;
and sending the first basic information, the third keywords and the first storage path to the query server, wherein the first basic information is used for comparing the first basic information with the basic information corresponding to the first credit file stored by the query server so as to determine whether the stored basic information is tampered, and the third keywords are used for determining whether the stored keywords are tampered by the query server.
2. The method for obtaining a trusted file as claimed in claim 1, further comprising, prior to said step of receiving a query request:
receiving a second trust file, a second storage path corresponding to the second trust file and second basic information corresponding to the second trust file, which are sent by the query server, wherein the second storage path is a path for storing the second trust file by the block chain link point;
Creating each second keyword corresponding to the second trust file according to all contents of the second trust file;
and storing the second keywords, the second storage path and the second basic information in an associated mode, and sending the second keywords to the query server.
3. The method for acquiring the trusted file is characterized by being applied to a query server and comprising the following steps:
receiving a query request sent by a user terminal, and sending the query request to an index server, wherein the query request comprises a first keyword, and the first keyword is part of the content of a first credit file requested to be queried by the user terminal;
receiving a first storage path of the first credit file fed back by the index server, and sending the first storage path to a blockchain node, wherein the first storage path is acquired by the index server according to first basic information and the first keyword, and the first basic information comprises at least one of user information, merchant information, service type and credit time corresponding to the first credit file;
receiving the first credit file fed back by the blockchain node, and sending the first credit file to the user terminal;
The step of receiving the first storage path of the first trusted file fed back by the index server includes:
receiving a response message of the query request fed back by the index server, wherein the response message of the query request comprises the first storage path, and the response message of the query request also comprises each third keyword and the first basic information, and the third keywords and the first storage path are associated and stored in the index server;
performing associated storage on each second keyword, second basic information and second storage paths to form a credit record;
after receiving the first trust file fed back by the blockchain node, the method further includes:
comparing each third keyword with each second keyword, and comparing the first basic information with the second basic information;
when the third keywords do not have the same keywords in the second keywords, updating the second keywords according to the third keywords;
and when the first basic information is different from the second basic information, updating the second basic information according to the first basic information.
4. The method for obtaining a trusted file as claimed in claim 3, wherein before said step of receiving the query request sent by the user terminal, the method further comprises:
receiving a second trust file sent by the user terminal, and sending the second trust file to the blockchain node;
receiving a second storage path of the second trust file fed back by the blockchain node, and creating second basic information corresponding to the second trust file, wherein the second basic information comprises at least one of user information, merchant information, service type and trust time corresponding to the second trust file;
transmitting the second trust file, the second storage path and the second basic information to the index server, wherein the index server creates each second keyword of the second trust file;
and receiving and storing each second keyword fed back by the index server, and sending each second keyword to the user terminal.
5. The method of claim 4, wherein after the step of receiving the first trust file fed back by the blockchain node, further comprises:
Acquiring a first hash value of a second trust file identical to the first trust file, and calculating a second hash value of the first trust file;
comparing the first hash value with the second hash value;
and when the first hash value is different from the second hash value, updating the second trust file which is the same as the first trust file according to the first trust file.
6. An index server, comprising:
the first receiving module is used for receiving a query request sent by a query server, wherein the query request comprises a first keyword, and the first keyword is part of the content of a first trust file requested to be queried by the query server;
the acquisition module is used for acquiring first basic information according to the query request, wherein the first basic information comprises at least one of user information, merchant information, service type and credit giving time corresponding to the first credit giving file;
the determining module is used for determining a first storage path associated with the first keyword and the first basic information and feeding back the first storage path to the query server, wherein the first storage path is used for the query server to acquire the first trust file from a block chain link point and send the first trust file to a user terminal;
The acquisition module is used for acquiring each third keyword associated with the first storage path; the third keywords are all keywords stored in the index server by the first credit file;
the sending module is configured to send the first basic information, each third keyword, and the first storage path to the query server, where the first basic information is used by the query server to compare the first basic information with basic information corresponding to a first trust file stored by the query server to determine whether the stored basic information is tampered, and the third keywords are used by the query server to determine whether the stored keywords are tampered.
7. An index server, comprising: a memory and a processor;
the memory stores computer-executable instructions;
the processor executes computer-executable instructions stored in the memory, so that the processor executes the method for acquiring a trusted file according to claim 1 or 2.
8. A query server, comprising:
the second receiving module is used for receiving a query request sent by a user terminal and sending the query request to the index server, wherein the query request comprises a first keyword, and the first keyword is part of the content of a first credit file which is requested to be queried by the user terminal;
The second receiving module is configured to receive a first storage path of the first trust file fed back by the index server, and send the first storage path to a blockchain node, where the first storage path is acquired by the index server according to first basic information and the first keyword, and the first basic information includes at least one of user information, merchant information, a service type, and trust time corresponding to the first trust file;
the second receiving module is configured to receive the first trust file fed back by the blockchain node, and send the first trust file to the user terminal;
the step of receiving the first storage path of the first trusted file fed back by the index server includes:
receiving a response message of the query request fed back by the index server, wherein the response message of the query request comprises the first storage path, and the response message of the query request also comprises each third keyword and the first basic information, and the third keywords and the first storage path are associated and stored in the index server; performing associated storage on each second keyword, second basic information and second storage paths to form a credit record;
The comparison module is used for comparing each third keyword with each second keyword and comparing the first basic information with the second basic information;
the updating module is used for updating each second keyword according to each third keyword when the third keywords do not have the same keywords in each second keyword;
and the updating module is used for updating the second basic information according to the first basic information when the first basic information is different from the second basic information.
9. A query server, comprising: a memory and a processor;
the memory stores computer-executable instructions;
the processor executes computer-executable instructions stored in the memory, causing the processor to perform the method for acquiring a trusted file as claimed in any one of claims 3 to 5.
10. A computer readable storage medium, wherein computer executable instructions are stored in the medium, and when executed by a processor, the computer executable instructions are configured to implement the method for acquiring a trusted file as claimed in any one of claims 1 to 5.
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