CN110913017A - File compression transmission method based on cloud desktop - Google Patents
File compression transmission method based on cloud desktop Download PDFInfo
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- CN110913017A CN110913017A CN201911318166.7A CN201911318166A CN110913017A CN 110913017 A CN110913017 A CN 110913017A CN 201911318166 A CN201911318166 A CN 201911318166A CN 110913017 A CN110913017 A CN 110913017A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
- H04L67/5651—Reducing the amount or size of exchanged application data
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- Computer Security & Cryptography (AREA)
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- General Engineering & Computer Science (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses a file compression transmission method based on a cloud desktop. The invention comprises the following steps: calling a file synchronization module to synchronize files uploaded by a user to generate backup files; a feature code synthesis module of the cloud desktop service platform generates a feature code of the backup file; selecting a synchronization mode and a synchronization directory of a local folder and a cloud folder, and calling a control module to synchronously update the local file and the cloud file; after downloading the cloud compressed file from the cloud end, a client searches a backup file in a local file according to the feature code of the backup file; and the verification module compares the feature codes and downloads the file to a local folder. According to the method and the system, the user uploads the files to the cloud storage server on the cloud desktop service platform, the backup files and the feature codes are synchronously generated, the backup files and the feature codes are compressed and encrypted, and the client accesses the cloud desktop service platform to perform comparison, downloading and decryption, so that the file transmission efficiency is improved, and the safety level of the cloud desktop service platform is guaranteed.
Description
Technical Field
The invention belongs to the technical field of file compression, and particularly relates to a file compression transmission method based on a cloud desktop.
Background
Calculation, storage and transmission are three persistent subjects in the development history of computers. Currently, cloud storage is becoming a new focus of market competition.
Cloud storage is a new concept extended and developed on the cloud computing concept, and refers to a system which integrates a large number of storage devices of different types in a network through application software to cooperatively work through functions such as cluster application, grid technology or distributed file systems and provides data storage and service access functions to the outside. In short, cloud storage is an emerging solution for putting storage resources on the cloud for human access, and users can conveniently store and read data at any time and any place through any internet-connected device connected to a cloud storage service platform.
The core of the cloud storage is that application software is combined with a storage device, and the conversion from the storage device to a storage service is realized through the application software. Research shows that the cloud storage system is an aggregation of multiple storage devices, multiple applications and multiple services working together, and any single point of storage system is not cloud storage. In the cloud era, personal cloud storage cannot be just used as a place for storing files like a traditional network disk, and the personal cloud storage and the traditional network disk have many different places.
However, in using a cloud desktop, a variety of situations are encountered. For example, a file exists on a client of a user, but the user forgets the file, and downloads the file again to the internet, and downloading the file not only causes repeated downloading but also repeatedly occupies a storage space after downloading the file, and more importantly, the user has to wait for a long time due to limitation of network bandwidth when downloading the file, and if the data volume of the file is large, the waiting time of the user is longer, which seriously affects user experience.
Therefore, a file compression transmission method based on the cloud desktop is urgently needed, and the problems of data downloading amount and downloading time can be relieved to a certain extent.
Disclosure of Invention
The invention aims to provide a file compression transmission method based on a cloud desktop, which is characterized in that a user uploads files to a cloud storage server on a cloud desktop service platform and synchronously generates a plurality of backup files, the backup files and feature codes are compressed and encrypted, and a client accesses the cloud desktop service platform to compare, download and decrypt the backup files and the feature codes, so that the problems of long file downloading time and unsafe resources of the conventional cloud desktop are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a file compression transmission method based on a cloud desktop, which comprises the following steps:
step S1: a user logs in a cloud desktop service platform through an account management module, uploads a file to a cloud storage server, and stores account information of the user in the cloud desktop service platform to a cloud database;
step S2: a user sets a system and a network for the cloud desktop service platform through a setting module;
step S3: when the cloud desktop monitors that display data changes in real time, a file synchronization module is called to synchronize files uploaded by a user to generate a first backup file and a second backup file, and the first backup file and the second backup file are stored in a cloud database;
step S4: a feature code synthesis module of the cloud desktop service platform generates feature codes of a first backup file and a second backup file;
step S5: recording source files and feature codes of the first backup file and the second backup file into a cloud compression file;
step S6: selecting a synchronization mode and a synchronization directory of a local folder and a cloud folder, and calling a control module to synchronously update the local file and the cloud file;
step S7: a client logs in and accesses a cloud desktop service platform, and after downloading a cloud compressed file from a cloud end, a first backup file is searched in a pre-generated local file according to a feature code of the first backup file;
step S8: the verification module compares the feature code of the first backup file with the feature code of the second backup file, and if the comparison is successful, the file is downloaded to a local folder;
step S9: the log module records the execution in the above-described step S1 to step S8.
Preferably, in step S3, the file synchronization module calls a compression method to compress the local folder to be synchronized, and the local folder is compressed to obtain a backup compressed package of the local folder; the encryption method is called to encrypt the backup compressed packet to obtain an encrypted backup compressed packet; and storing the encrypted backup compressed packet to a cloud database.
Preferably, in step S4, the feature code includes watermark authentication information, epitopic authentication information, an embedding location key, and a key for encrypting data.
Preferably, in step S6, the specific method for synchronously updating the local file and the cloud file is as follows:
step S61: the file synchronization module calls a control module to download a cloud folder in the cloud desktop service platform;
step S62: the file synchronization module scans and reads the cloud folder and the local folder into the memory;
step S63: calling synchronous initialization, and comparing files in the folder downloaded from the cloud with files in a local folder;
step S64: and respectively starting a cloud folder monitoring thread and a local folder monitoring thread, judging the change types of addition, deletion and/or change in the cloud folder and the local folder, and calling the compressed file corresponding to the change type of the folder.
Preferably, in the step S63, if there is a conflict between the file in the folder and the file in the local folder, the downloaded cloud file is used to replace the local file; and if the files in the slave folder are compared with the files in the local folder without conflict, no processing is performed.
Preferably, in step S8, the file downloaded to the local folder is an encrypted backup compressed package, and the user further needs to call a decryption method corresponding to the encryption method in the file synchronization module to decompress and decrypt the downloaded encrypted backup compressed package, so as to retrieve the local folder in the backup package.
Preferably, after the local folder in the backup package is retrieved, security scanning is required to be performed, if the security scanning result is unsafe, the security scanning result is sent to the cloud desktop service platform, and the cloud desktop service platform deletes or isolates the corresponding user source file.
Preferably, the encryption method is an MD5 encryption method or a DES encryption method or an IDEA encryption method or an AES encryption method.
Preferably, when the local folder is sterilized, a user file index is generated for searching the user file.
The invention has the following beneficial effects:
(1) according to the method, the user uploads the files to the cloud storage server on the cloud desktop service platform and synchronously generates a plurality of backup files, the backup files and the feature codes are compressed and encrypted, and the client accesses the cloud desktop service platform to perform comparison, downloading and decryption, so that the file transmission efficiency is improved, and the file transmission safety is improved;
(2) according to the invention, the client is taken back from the local file in the backup package and then is safely scanned, the scanning can be opened only when the scanning is safe, the scanning is fed back to the cloud desktop service platform when the scanning is unsafe, and the cloud desktop service platform deletes or isolates the corresponding user source file, so that the safety level of the cloud desktop service platform is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a file compression and transmission method based on a cloud desktop according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention is a file compression transmission method based on a cloud desktop, including the following steps:
step S1: a user logs in a cloud desktop service platform through an account management module, uploads a file to a cloud storage server, and stores account information of the user in the cloud desktop service platform to a cloud database;
step S2: a user sets a system and a network for the cloud desktop service platform through a setting module;
step S3: when the cloud desktop monitors that display data changes in real time, a file synchronization module is called to synchronize files uploaded by a user to generate a first backup file and a second backup file, and the first backup file and the second backup file are stored in a cloud database;
step S4: a feature code synthesis module of the cloud desktop service platform generates feature codes of a first backup file and a second backup file;
step S5: recording source files and feature codes of the first backup file and the second backup file into a cloud compression file;
step S6: selecting a synchronization mode and a synchronization directory of a local folder and a cloud folder, and calling a control module to synchronously update the local file and the cloud file;
step S7: a client logs in and accesses a cloud desktop service platform, and after downloading a cloud compressed file from a cloud end, a first backup file is searched in a pre-generated local file according to a feature code of the first backup file;
step S8: the verification module compares the feature code of the first backup file with the feature code of the second backup file, and if the comparison is successful, the file is downloaded to a local folder;
step S9: the log module records the execution in the above-described step S1 to step S8.
In step S2, the network settings include settings of a network agent, a bandwidth, and/or an HTTPS, and the system settings include a reminder setting after downloading and/or a selection setting of startup.
In step S3, the file synchronization module calls a compression method to compress the local folders to be synchronized, and the local folders are compressed to obtain a backup compressed package of the local folders; the encryption method is called to encrypt the backup compressed packet to obtain an encrypted backup compressed packet; the encrypted backup compressed packets are stored in a cloud database, and a zip compression method or a rar compression method is adopted as a file compression method, so that the file transmission efficiency can be improved.
In step S4, the feature codes include watermark authentication information, epilogue authentication information, an embedded location key, and a key for encrypting data, and the multiple feature codes are used to improve the security level of file transmission.
In step S6, the specific method for synchronously updating the local file and the cloud file is as follows:
step S61: the file synchronization module calls a control module to download a cloud folder in the cloud desktop service platform;
step S62: the file synchronization module scans and reads the cloud folder and the local folder into the memory;
step S63: calling synchronous initialization, and comparing files in the folder downloaded from the cloud with files in a local folder;
step S64: the method comprises the steps of respectively starting a cloud folder monitoring thread and a local folder monitoring thread, judging the change types of addition, deletion and/or change in the cloud folder and the local folder, calling a compressed file corresponding to the change type of the folder, and correspondingly compressing the folder type once the files in the cloud folder and the local folder change.
In step S63, if there is a conflict between the file in the folder and the file in the local folder, replacing the local file with the downloaded cloud file; and if the files in the slave folder are compared with the files in the local folder without conflict, no processing is performed.
In step S8, the file downloaded to the local folder is an encrypted compressed backup package, and the user further needs to invoke a decryption method corresponding to the encryption method in the file synchronization module to decompress and decrypt the downloaded encrypted compressed backup package, so as to retrieve the local folder in the backup package.
After the local folder in the backup package is retrieved, safety scanning is required, if the safety scanning result is unsafe, the safety scanning result is sent to the cloud desktop service platform, the cloud desktop service platform can delete or isolate the corresponding user source file, the file with viruses or trojans is prevented from being used by a user, and the wrong website can be timely disconnected.
The encryption method is an MD5 encryption method, a DES encryption method, an IDEA encryption method or an AES encryption method.
When the local folder is sterilized, a user file index is generated and used for searching user files, and the downloaded files can be conveniently and quickly searched.
It should be noted that, in the above system embodiment, each included unit is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
In addition, it is understood by those skilled in the art that all or part of the steps in the method for implementing the embodiments described above may be implemented by a program instructing associated hardware, and the corresponding program may be stored in a computer-readable storage medium.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. A file compression transmission method based on a cloud desktop is characterized by comprising the following steps:
step S1: a user logs in a cloud desktop service platform through an account management module, uploads a file to a cloud storage server, and stores account information of the user in the cloud desktop service platform to a cloud database;
step S2: a user sets a system and a network for the cloud desktop service platform through a setting module;
step S3: when the cloud desktop monitors that display data changes in real time, a file synchronization module is called to synchronize files uploaded by a user to generate a first backup file and a second backup file, and the first backup file and the second backup file are stored in a cloud database;
step S4: a feature code synthesis module of the cloud desktop service platform generates feature codes of a first backup file and a second backup file;
step S5: recording source files and feature codes of the first backup file and the second backup file into a cloud compression file;
step S6: selecting a synchronization mode and a synchronization directory of a local folder and a cloud folder, and calling a control module to synchronously update the local file and the cloud file;
step S7: a client logs in and accesses a cloud desktop service platform, and after downloading a cloud compressed file from a cloud end, a first backup file is searched in a pre-generated local file according to a feature code of the first backup file;
step S8: the verification module compares the feature code of the first backup file with the feature code of the second backup file, and if the comparison is successful, the file is downloaded to a local folder;
step S9: the log module records the execution in the above-described step S1 to step S8.
2. The method for file compression and transmission based on the cloud desktop according to claim 1, wherein in step S3, the file synchronization module calls a compression method to compress the local folders to be synchronized, and the local folders are compressed to obtain backup compressed packages of the local folders; the encryption method is called to encrypt the backup compressed packet to obtain an encrypted backup compressed packet; and storing the encrypted backup compressed packet to a cloud database.
3. The method for compressing and transmitting the file based on the cloud desktop as claimed in claim 1, wherein in the step S4, the feature code includes watermark authentication information, epitopic authentication information, an embedded location key and a key for encrypting data.
4. The method for compressing and transmitting the file based on the cloud desktop as claimed in claim 1, wherein in step S6, the specific method for synchronously updating the local file and the cloud file is as follows:
step S61: the file synchronization module calls a control module to download a cloud folder in the cloud desktop service platform;
step S62: the file synchronization module scans and reads the cloud folder and the local folder into the memory;
step S63: calling synchronous initialization, and comparing files in the folder downloaded from the cloud with files in a local folder;
step S64: and respectively starting a cloud folder monitoring thread and a local folder monitoring thread, judging the change types of addition, deletion and/or change in the cloud folder and the local folder, and calling the compressed file corresponding to the change type of the folder.
5. The method for compressing and transmitting files based on the cloud desktop according to claim 4, wherein in step S63, if the file in the folder is in conflict with the file in the local folder, the downloaded cloud file is used to replace the local file; and if the files in the slave folder are compared with the files in the local folder without conflict, no processing is performed.
6. The method for file compression and transmission based on the cloud desktop as claimed in claim 1, wherein in step S8, the files downloaded to the local folder are encrypted backup compressed packages, and the user further needs to call a decryption method corresponding to the encryption method in the file synchronization module to decompress and decrypt the downloaded encrypted backup compressed packages, so as to retrieve the local folder in the backup packages.
7. The file compression and transmission method based on the cloud desktop as claimed in claim 6, wherein after the local folder in the backup package is retrieved, security scanning is required, if the security scanning result is unsafe, the security scanning result is sent to a cloud desktop service platform, and the cloud desktop service platform deletes or isolates the corresponding user source file.
8. The file compression transmission method based on the cloud desktop as claimed in claim 6, wherein the encryption method is an MD5 encryption method, a DES encryption method, an IDEA encryption method or an AES encryption method.
9. The method for compressing and transmitting the files based on the cloud desktop as claimed in claim 7, wherein when the local folder is sterilized, a user file index is generated for searching user files.
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| CN110913017B (en) | 2023-01-17 |
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