CN104090913A - File operation method and device based on thin client - Google Patents
File operation method and device based on thin client Download PDFInfo
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- CN104090913A CN104090913A CN201410256240.8A CN201410256240A CN104090913A CN 104090913 A CN104090913 A CN 104090913A CN 201410256240 A CN201410256240 A CN 201410256240A CN 104090913 A CN104090913 A CN 104090913A
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- file
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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
- G06F16/10—File systems; File servers
- G06F16/16—File or folder operations, e.g. details of user interfaces specifically adapted to file systems
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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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
Abstract
The invention provides a file operation method based on a thin client. The method comprises the steps as follows: an input file creating instruction for creating a target file on the thin client is acquired; data stream corresponding to the file creating instruction is acquired, and the target file is created on a storage server by writing the data stream into the storage server; and summary information of the target file is generated, and an index file corresponding to the target file is created on the thin client by issuing the summary information to the thin client. Besides, the invention further provides a file operation device based on the thin client. The file operation method and device based on the thin client can improve the information security.
Description
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of file operation method and device based on thin client.
Background technology
Existing thin client is in the time of work, and virtual machine or remote application on accessible remote application server, show the picture of virtual machine or remote application, and by specific protocol, complete the control to virtual machine or remote application.But, if access on thin client after movable storage device as user, can be by remote application server download file, and store on movable storage device, thereby make the confidential documents on remote application server may cause leakage, thus security deficiency.
Summary of the invention
Based on this, be necessary to provide a kind of file operation method based on thin client that can improve Information Security.
Based on a file operation method for thin client, comprising:
Obtain the document creation instruction that creates file destination on thin client of input;
Obtain data stream corresponding to document creation instruction, on storage server, create file destination by described data stream is write to storage server;
Generate the summary info of described file destination, on thin client, create the index file corresponding with described file destination by described summary info being issued to thin client.
Therein in an embodiment, described in also comprise before obtaining the step of the document creation instruction that creates file destination on thin client of input:
Receive the memory device mapping request that thin client is uploaded, according to described memory device mapping request, the memory device of thin client is mapped to this locality.
Therein in an embodiment, describedly comprise by described summary info being issued to the step that thin client creates the index file corresponding with described file destination on thin client:
Obtain that document creation instruction comprises in the described path being mapped on local memory device, create the index file corresponding with described file destination according to described path.
In an embodiment, described method also comprises therein:
Receive the index file that thin client is uploaded;
In described storage server, read corresponding file destination according to described index file.
In an embodiment, described method also comprises therein:
The File Open instruction that reception is uploaded, the index file that extraction document OPEN is corresponding;
In described storage server, search the file destination corresponding with described index file and download, opening the file destination of described download.
In addition, be also necessary to provide a kind of file operation device based on thin client that can improve Information Security.
A file operation device based on thin client, is characterized in that, comprising:
Instruction acquisition module, for obtaining the document creation instruction that creates file destination on thin client of input;
File destination creation module for obtaining data stream corresponding to document creation instruction, creates file destination by described data stream is write to storage server on storage server;
Index file creation module for generating the summary info of described file destination, creates the index file corresponding with described file destination by described summary info being issued to thin client on thin client.
In an embodiment, described device also comprises device map module therein, and the memory device mapping request of uploading for receiving thin client is mapped to this locality according to described memory device mapping request by the memory device of thin client.
Therein in an embodiment, described index file creation module also for obtain that document creation instruction comprises in the described path being mapped on local memory device, create the index file corresponding with described file destination according to described path.
In an embodiment, described device also comprises transmission module on file therein, and the index file of uploading for receiving thin client reads corresponding file destination in described storage server according to described index file.
In an embodiment, described device also comprises File Open module therein, for receiving the File Open instruction of uploading, the index file that extraction document OPEN is corresponding; In described storage server, search the file destination corresponding with described index file and download, opening the file destination of described download.
In above-mentioned file operation method and device based on thin client, user can insert movable storage device on thin client, but user operates the data stream of generation and is in fact stored in storage server with the form of file destination, on movable storage device, only store the index file corresponding with file destination.Index file self does not comprise user and operates the information of the data stream of generation, and it is only for locating or decipher the corresponding file destination on storage server.Therefore,, even if user inserts this movable storage device on other-end, also only can browse index file, and the file destination that comprises True Data cannot get, and the confidential information on application server cannot be stolen, thereby improve security.
Brief description of the drawings
Fig. 1 is the process flow diagram of the file operation method based on thin client in an embodiment;
Fig. 2 is the structural representation of the distribution application system based on thin client in an embodiment;
Fig. 3 is the structural representation of the file operation device based on thin client in an embodiment;
Fig. 4 is the structural representation of the file operation device based on thin client in another embodiment.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Unless context separately has the description of specific distinct, the element in the present invention and assembly, the form that quantity both can be single exists, and form that also can be multiple exists, and the present invention does not limit this.Although the step in the present invention is arranged with label, and be not used in and limit the precedence of step, unless expressly stated the order of step or the execution of certain step need other steps as basis, otherwise the relative order of step is adjustable.Be appreciated that term "and/or" used herein relates to and contain the one or more any and all possible combination in the Listed Items being associated.
In one embodiment, as shown in Figure 1, a kind of file operation method based on thin client, the method can be dependent on computer program, can run on the application server of the distribution application system based on thin client based on Feng Luoyiman system.
As shown in Figure 2, the distribution application system based on thin client at least comprises application server 10 and connected one or more thin client 20.Thin client (thin client) is the special commercial PC of the small-sized industry based on PC industry standard design that uses professional flush bonding processor, small-sized local flash memory, scaled-down version operating system.Configuration packet is containing professional low-power consumption, the flush bonding processor of high calculation function.Non-removablely for the local flash memory of storage operation system and the standard configuration I/O option of local system internal memory, network adapter, video card and other peripheral hardware.Thin client does not have removable parts, and the environment for use more safe and reliable than common PC can be provided, and lower power consumption, higher security.
On thin client 20, the application program of operation is all deployed on application server 10, carries out, therefore without hard disk is set in when operation by network by application server 10 in downloading code and be loaded into the memory headroom of thin client 20 this locality.
But, in conventional art, if access the memory devices such as portable hard drive on thin client 20, can be by thin client 20 first to remote server 10 demand file data, then the file data receiving and be buffered in internal memory writes portable hard drive, thereby cause the loss of confidential data, make the security deficiency of data.
For addressing this problem, in the present embodiment, should comprise by the file operation method based on thin client:
Step S102, obtains the document creation instruction that creates file destination on thin client of input.
As shown in Figure 2, the operating side that thin client 20 is user, and application deployment is on application server 10.If user wishes to create file by thin client 20 on the portable hard drive inserting or USB flash disk, can create instruction by inputting to application server upload file on thin client.
In the present embodiment, before obtaining the step of the document creation instruction that creates file destination on thin client of input, also can receive the memory device mapping request that thin client is uploaded, according to memory device mapping request, the memory device of thin client is mapped to this locality.
For example, can use the mapping modes such as USB over IP technology, the portable hard drive being inserted by USB interface or USB flash disk are mapped on application server.Application server can be considered that this portable hard drive or USB flash disk are and the memory device himself accessing.
User can first insert memory device on thin client, then initiate memory device mapping to application server and ask and complete after the mapping of this memory device and application server by inputting on thin client, can on the operation interface of thin client, view and on this application server, access this memory device.Now, user can create instruction using the path of the memory device of this mapping as parameter spanned file.
Step S104, obtains data stream corresponding to document creation instruction, creates file destination by data stream being write to storage server on storage server.
File destination is according to the file of the actual generation of data stream.As shown in Figure 2, storage server 30 is connected with application server 10, can be that document storage system can be also Database Systems.Data stream corresponding to document creation instruction is the document data flow on application server, the source of this document data flow can be the application program moved on application server result (for example, the Excel form, the Word document etc. that generate), can be also the file on storage server or application server.
For example, user can view the listed files of the file on application server or storage server by thin client.User can select the input of certain file to be copied to the instruction on the portable hard drive of insertion on the operation interface of thin client from listed files.This instruction is the document creation instruction that creates file on thin client on the aforesaid portable hard drive inserting, and the source of data stream corresponding to this document creation instruction is the data stream of the file that read by application server or storage server.
Application server is getting after this data stream, on the memory device of the mapping of not write direct, but is written in storage server.In other embodiments, storage server and application server can be same equipment.
Step S106, the summary info of generating object file creates the index file corresponding with file destination by summary info being issued to thin client on thin client.
Index file is corresponding with file destination, can comprise top of file and document text two parts, in top of file, can comprise file type identifier, and it is index file or file destination that this file type identifier can be used for distinguishing this file.For example, can identifying with 1, if this position is 1, is index file, if this position is 0, is file destination.In document text, can comprise the summary info of file destination.For example, can comprise the memory address of corresponding file destination on storage server, MD5 code, the information such as decruption key (needing while extracting file destination).
In the present embodiment, the step that creates the index file corresponding with file destination by summary info being issued to thin client on thin client comprises: obtain that document creation instruction comprises in the path being mapped on local memory device, create the index file corresponding with file destination according to path.
For example, if the data source of the document creation instruction of user's input is certain file on application server, destination address is certain file under portable hard drive (being that on thin client one of user copies paste operation), index file can be written under this file.
That is to say, the file creating in the portable hard drive that user inserts on thin client is only index file, and the file destination of actual creation is stored in storage server.Application server can be obtained file destination by resolving index file, but portable hard drive is extracted while inserting in other PC after thin client, other PC can not obtain the file data that its hope is stolen by the index file of storing in portable hard drive, thereby have improved security.
It should be noted that, step S104 and step S106 do not have strict execution sequence restriction, application server can extract the partial information generating indexes file in data stream in the process that data stream is write to storage server, also after can generating object file, then according to file destination generating indexes file.
In the present embodiment, if user wishes the file destination corresponding index file of storing in portable hard drive to upload application server, index file can be uploaded to application server.Application server can obtain corresponding file destination according to this index file, and its process is: receive the index file of uploading, read corresponding file destination according to index file in storage server.
For example, user can first insert portable hard drive, then this portable hard drive is mapped to application server (process is identical with aforementioned process), can browse the listed files on portable hard drive.User can upload by select File on operation interface.For example, the file such as upload pictures, document.Thin client is by file by uploading on application server with the mapping of application server, and application server, by resolving this index file, navigates to the file destination on corresponding storage server, obtains its access path, can read this file destination.If this file destination is encrypted in storing process, can be by extracting decruption key in index file, utilize this decruption key to its deciphering after read again file destination.
In the present embodiment, if user wishes to open the file of storing in the portable hard drive inserting on thin client, can input file OPEN, and be uploaded to application server, application server can load file destination corresponding to index file corresponding to this file OPEN according to this file OPEN, and its process is:
The File Open instruction that reception is uploaded, the index file that extraction document OPEN is corresponding;
In storage server, search the file destination corresponding with index file and download, opening the file destination of download.
That is to say, application server is receiving after File Open instruction, can read index file corresponding to this file OPEN by the aforesaid default mapping relations with the movable storage device on thin client, then resolve this index file and obtain the store path of its corresponding file destination on storage server, after being read, can be loaded (opening).
In one embodiment, as shown in Figure 3, a kind of file operation device based on thin client, comprising: instruction acquisition module 102, file destination creation module 104 and index file creation module 106, wherein:
Instruction acquisition module 102, for obtaining the document creation instruction that creates file destination on thin client of input;
File destination creation module 104 for obtaining data stream corresponding to document creation instruction, creates file destination by data stream being write to storage server on storage server;
Index file creation module 106 for generating the summary info of described file destination, creates the index file corresponding with file destination by summary info being issued to thin client on thin client.
In the present embodiment, as shown in Figure 4, file operation device based on thin client also comprises device map module 108, and the memory device mapping request of uploading for receiving thin client, is mapped to this locality according to memory device mapping request by the memory device of thin client.
In the present embodiment, index file creation module 106 also for obtain that document creation instruction comprises in the path being mapped on local memory device, create the index file corresponding with file destination according to path.
In the present embodiment, as shown in Figure 4, the file operation device based on thin client also comprises transmission module 110 on file, and the index file of uploading for receiving thin client reads corresponding file destination in storage server according to index file.
In the present embodiment, as shown in Figure 4, the file operation device based on thin client also comprises File Open module 112, for receiving the File Open instruction of uploading, the index file that extraction document OPEN is corresponding; In storage server, search the file destination corresponding with index file and download, opening the file destination of described download.
In above-mentioned file operation method and device based on thin client, user can insert movable storage device on thin client, but user operates the data stream of generation and is in fact stored in storage server with the form of file destination, on movable storage device, only store the index file corresponding with file destination.Index file self does not comprise user and operates the information of the data stream of generation, and it is only for locating or decipher the corresponding file destination on storage server.Therefore,, even if user inserts this movable storage device on other-end, also only can browse index file, and the file destination that comprises True Data cannot get, and the confidential information on application server cannot be stolen, thereby improve security.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the file operation method based on thin client, comprising:
Obtain the document creation instruction that creates file destination on thin client of input;
Obtain data stream corresponding to document creation instruction, on storage server, create file destination by described data stream is write to storage server;
Generate the summary info of described file destination, on thin client, create the index file corresponding with described file destination by described summary info being issued to thin client.
2. the file operation method based on thin client according to claim 1, is characterized in that, described in also comprise before obtaining the step of the document creation instruction that creates file destination on thin client of input:
Receive the memory device mapping request that thin client is uploaded, according to described memory device mapping request, the memory device of thin client is mapped to this locality.
3. the file operation method based on thin client according to claim 2, is characterized in that, describedly comprises by described summary info being issued to the step that thin client creates the index file corresponding with described file destination on thin client:
Obtain that document creation instruction comprises in the described path being mapped on local memory device, create the index file corresponding with described file destination according to described path.
4. the file operation method based on thin client according to claim 1, is characterized in that, described method also comprises:
Receive the index file that thin client is uploaded;
In described storage server, read corresponding file destination according to described index file.
5. the file operation method based on thin client according to claim 1, is characterized in that, described method also comprises:
The File Open instruction that reception is uploaded, the index file that extraction document OPEN is corresponding;
In described storage server, search the file destination corresponding with described index file and download, opening the file destination of described download.
6. the file operation device based on thin client, is characterized in that, comprising:
Instruction acquisition module, for obtaining the document creation instruction that creates file destination on thin client of input;
File destination creation module for obtaining data stream corresponding to document creation instruction, creates file destination by described data stream is write to storage server on storage server;
Index file creation module for generating the summary info of described file destination, creates the index file corresponding with described file destination by described summary info being issued to thin client on thin client.
7. the file operation device based on thin client according to claim 6, it is characterized in that, described device also comprises device map module, the memory device mapping request of uploading for receiving thin client, is mapped to this locality according to described memory device mapping request by the memory device of thin client.
8. the file operation device based on thin client according to claim 7, it is characterized in that, described index file creation module also for obtain that document creation instruction comprises in the described path being mapped on local memory device, create the index file corresponding with described file destination according to described path.
9. the file operation device based on thin client according to claim 1, it is characterized in that, described device also comprises transmission module on file, and the index file of uploading for receiving thin client reads corresponding file destination in described storage server according to described index file.
10. the file operation device based on thin client according to claim 1, is characterized in that, described device also comprises File Open module, for receiving the File Open instruction of uploading, the index file that extraction document OPEN is corresponding; In described storage server, search the file destination corresponding with described index file and download, opening the file destination of described download.
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| CN201410256240.8A CN104090913B (en) | 2014-06-10 | 2014-06-10 | File operation method and device based on thin client |
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| CN201410256240.8A CN104090913B (en) | 2014-06-10 | 2014-06-10 | File operation method and device based on thin client |
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| CN104090913A true CN104090913A (en) | 2014-10-08 |
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| CN108512928A (en) * | 2018-04-08 | 2018-09-07 | 上海微穹信息科技有限公司 | Cloud virtual machine and its file management method, system, virtual machine thin-client |
| CN110650164A (en) * | 2018-06-26 | 2020-01-03 | 马上消费金融股份有限公司 | File uploading method and device, terminal and computer storage medium |
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| CN104090913B (en) | 2017-11-03 |
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