CN105025086A - A cloud safe storing/retrieving method targeted at mobile intelligent terminals - Google Patents
A cloud safe storing/retrieving method targeted at mobile intelligent terminals Download PDFInfo
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- CN105025086A CN105025086A CN201510321413.4A CN201510321413A CN105025086A CN 105025086 A CN105025086 A CN 105025086A CN 201510321413 A CN201510321413 A CN 201510321413A CN 105025086 A CN105025086 A CN 105025086A
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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
- 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
- H04L63/0815—Network architectures or network communication protocols for network security for authentication of entities providing single-sign-on or federations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- 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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- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a cloud safe storing/retrieving method targeted at mobile intelligent terminals. According to the method, a file is established for each registered mobile intelligent terminal user on a cloud storage server terminal in a one-to-one corresponding mode. Through authority authentication, each mobile intelligent terminal user can only perform storing/retrieving operation on the file, regarded which the user has access authority. Firstly, the user goes through registration authentication; if the user can not pass registration authentication, an error will be returned and the user will be suggested to register again; if the user passes the authentication, the cloud server will search for the file path, which the user has the authority to access, and file and folder information thereof will be returned back to the mobile intelligent terminal; then the user can brings forward a file download request to the server; the server obtains the absolute path of the file in a cloud storage system according to joint of a relative path of the target file which the user requests to download with a basic path of the cloud storage system. Via the absolute path, an output stream of the file is returned to the mobile intelligent terminal so as to provide convenience for reception and storage of the mobile intelligent terminal. The user can also realize storage through giving a request of uploading the file stored on the mobile intelligent terminal to the file path, regarded which the user has authority.
Description
Technical field
The invention belongs to the field of data storage of cloud computing, relate to mobile intelligent terminal user data cloud server end storage/access method, access time rights management, and the multiple-objection optimization of the replica allocation node of cloud storage server end.
Background technology
Along with the arrival in 4G epoch, mobile Internet is developed rapidly.Due to the lifting of mobile intelligent terminal equipment computing capability, various calculating is constantly transplanted on mobile intelligent terminal equipment, creates a large amount of user data, as photo, document, video, Email and note.Be limited to the storage capacity that mobile intelligent terminal is limited, by network, by local file, the demand be stored on remote server becomes very urgent to mobile intelligent terminal user.Because the high scalability of cloud storage system, reliability make cloud storage system have advantage in file trustship, therefore we can utilize cloud memory technology to dump on Cloud Server by the file on mobile intelligent terminal, this addresses the problem the problem that mobile intelligent terminal storage resources is limited.
Summary of the invention
In view of the storage capacity that existing mobile intelligent terminal is limited, the invention provides one more efficiently, the safe storage/access method in the high in the clouds of mobile intelligent terminal data more easily.Method is that mobile intelligent terminal user of each registration to create a file to mapping folder one by one at cloud storage server end, i.e. file store path, then set up the user authority management mode based on file store path, only have and the file of access rights could be had to carry out the storage/access operation of file to it by the mobile intelligent terminal user of purview certification.Method comprises the following aspects:
Concrete mode based on the user authority management of high in the clouds file store path in the safe storage/access in the high in the clouds method of mobile intelligent terminal data is: first user registers, cloud server end passes through initiatively to read the log-on message of user, the IMEI code of mobile intelligent terminal equipment sets up store path beyond the clouds for registered user, and this store path is the unique legal path of registered user at cloud storage server end.User can only download the file under this path having access rights, and the files passe in mobile intelligent terminal also can only store by same user under this path having access rights.
User is necessary for legal login user, only has validated user just can obtain the legal path of user in cloud storage system according to the IMEI code of user's registration.
When mobile intelligent terminal sends logging request to server end, server end can authenticate the legitimacy of login user, if login user is illegal, prompting mistake, allows user resend authentication information; If login user is legal, then returns login user and have permission the catalogue under the store path of access and the listed files under catalogue.User can browse or download file by chooser file, or select File is uploaded to file.User is after completing files passe or down operation, and server end can return to the listed files under current directory and catalogue.
In the safe storage/access method in high in the clouds of mobile intelligent terminal data, mobile intelligent terminal provides upload file to arrive the service of cloud storage system, and concrete steps comprise:
1. the directory state information request that mobile intelligent terminal returns according to server has permission the path upload file of access to user;
2. server end obtains the upload file object of mobile intelligent terminal submission and the relative path of files passe;
3. server end judges whether file object size is less than the residual memory space of user, if not, then points out user to need to expand the current memory space had; Otherwise, the absolute path obtaining files passe is spliced in the basic path of relatively uploading path and user;
4. server end creates FileInputStream object according to the file object obtained, and creates FSDataOutputStream object according to the absolute path of upload file; FileInputStream and FSDataOutputStream is connected by the static method copyBytes () of IOUtils; The inlet flow used when closedown is uploaded by server end after files passe completes and output stream.
The safe storage/access method in high in the clouds towards mobile intelligent terminal data provides the service downloading the file into mobile intelligent terminal from cloud storage system, and concrete steps comprise:
1. the file that the directory state information that mobile intelligent terminal can return according to server end has permission user under the path of access performs down operation;
2. mobile intelligent terminal sends the relative path of the file wanting to download to server end;
3. the absolute path obtaining the file destination that user's wish is downloaded is spliced in the basic path of the relative download path received and user by server end;
4. server end is according to the absolute path establishment FSDataInputStream object of user for the file destination of download, inlet flow object is returned to mobile intelligent terminal, realizes downloading.
The safe storage/access method in high in the clouds towards mobile intelligent terminal data, method, by optimizing the original replica node selection strategy of hadoop distributed file system HDFS, achieves the multiple-objection optimization of replica allocation node.Specific implementation is: the sensor selection problem strategy of user file data block copy in hadoop distributed file system has considered the distance factor of the memory load rate of node, the current linking number of node, node and data block local node, is selected the optimal node of Replica placement by the step analysis of the parameter to alternate node in subrange.Realize the efficient storage of upload file.
Advantage of the present invention provides in the description of embodiment part below, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is workflow diagram of the present invention.
Fig. 2 is user authority management flow chart.
Fig. 3 is files passe flow chart.
Fig. 4 is file download flow chart.
Fig. 5 is locations of copies selection strategy flow chart.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing, it illustrates principle of the present invention as the part of this specification by embodiment.
As shown in Figure 1, a kind of safe storage/access method in high in the clouds towards mobile intelligent terminal data, the workflow of described method comprises: first user registers, cloud server end passes through initiatively to read the log-on message of user, the IMEI code of mobile intelligent terminal equipment sets up store path beyond the clouds for registered user, and this store path is the unique legal path of registered user at cloud storage server end.When mobile intelligent terminal user needs application cloud stores service, first user carries out login authentication, if user log-in authentication does not pass through, then returns mistake, and suggestion user logs in again; If user authentication passes through, then validated user can obtain the user legal path that have in cloud storage system according to the IMEI code of registration, and file wherein and folder information are returned to mobile intelligent terminal, user just can carry out browsing file, file download by chooser file.When proposing file download request with user orientation server, server is asked the basic path of the relative path of file to download and cloud storage system to be spliced according to user and is obtained the absolute path of file in cloud storage system, by this absolute path be mobile intelligent terminal backspace file output stream, be supplied to mobile intelligent terminal receive and store; User can store equally to the files passe be stored on mobile intelligent terminal to be had the file path of authority by server request to user under.
As shown in Figure 2, based on the specific implementation of the user authority management of high in the clouds file store path in the safe storage/access method in high in the clouds of mobile intelligent terminal data, comprise the steps:
1. server end obtains the logging request that mobile intelligent terminal user sends;
2. whether server end authentication of users is legal;
If 3. legal, Cloud Server returns the store path that user has permission access; Otherwise prompting user logs in again;
4. FileSystem object is created, and return user by the listStatus () method of FileSystem object and have permission FileStatus array under the path of access, FileStatus array is formatd, the array of format is returned to mobile intelligent terminal with JSON form.
As shown in Figure 3, the embodiment of mobile intelligent terminal user upload file in the safe storage/access method in high in the clouds of mobile intelligent terminal data, comprises the steps:
1. the directory state information that mobile intelligent terminal returns according to server end has permission upload file under the path of access to user;
2. server end obtains the upload file object of mobile intelligent terminal submission and the relative path of files passe;
3. whether server-side certificate user demand file object is less than the residual memory space of user, if not, then points out user to need extension storage space; Otherwise, the absolute path obtaining files passe is spliced in the basic path of relatively uploading path and user received;
4. server end creates FileInputStream object according to the file object obtained, and creates FSDataOutputStream object according to the absolute path of upload file; FileInputStream and FSDataOutputStream is connected by the static method copyBytes () of IOUtils;
5. files passe complete after server end close the inlet flow and output stream that use when uploading.
As shown in Figure 4, in the safe storage/access method in high in the clouds of mobile intelligent terminal data, the embodiment of mobile intelligent terminal user download file, comprises the steps:
1. to being stored in user, the file had permission under the path of access performs down operation to the directory state information that returns according to server of mobile intelligent terminal;
3. mobile intelligent terminal sends the relative path of the file destination for download to server;
4. the absolute path obtained for the file destination downloaded is spliced in the basic path of relative download path and user by mobile intelligent terminal;
4. server end creates FSDataInputStream object according to the absolute path of download file, and inlet flow object is returned to mobile intelligent terminal.
As shown in Figure 5, select towards the stored copies position of mobile intelligent terminal user institute upload file in the safe storage/access method in high in the clouds of mobile intelligent terminal data according to following steps:
1. memory node in cloud storage system is mapped in consistent Hash ring;
2. detect data block local replica whether to lack.If whether disappearance, then detecting data block place node is cloud storage system internal node.If internal node, then data block place node is had the node of copy as first; Otherwise Stochastic choice local node has the node of copy as first.If local replica does not lack, then the data block of file is mapped in Hash ring.Then this node adds copy and has node set;
3. from the mapping value of data block, along clockwise direction, using first memory node finding as decision center;
4. d the node alternatively node in the clockwise scope counterclockwise of decision center, rejects and has selected node and unavailable node from these nodes;
5. obtain the distance of the node that the memory load rate of each memory node, linking number, last access time, both candidate nodes and copy have, select optimal node by analytic hierarchy process (AHP), these nodes are added the node set that copy has;
6. check whether data block copy number reaches setting number, if do not reach setting number, data block map information is added fixing suffix, again detect data block local replica and whether lack.
Claims (4)
1., towards the safe storage/access method in high in the clouds of mobile intelligent terminal data, it is characterized in that, based on the user authority management mode of high in the clouds file store path.
First user registers, cloud server end passes through initiatively to read the log-on message of user, the IMEI code of mobile intelligent terminal equipment sets up store path beyond the clouds for registered user, and this store path is the unique legal store path of registered user at cloud storage server end.User can only download the file under this path having access rights, and the files passe in mobile intelligent terminal also can only store by same user under this path having access rights.
When mobile intelligent terminal sends logging request to server end, server end can authenticate the legitimacy of login user, if login user is illegal, prompting mistake, allows user resend authentication information; If login user is legal, then returns login user and have permission the catalogue under the store path of access and the listed files under catalogue.User can browse or download file by chooser file, or select File is uploaded to file.User is after completing files passe or down operation, and server end can return to the listed files under current directory and catalogue.
2. a kind of safe storage/access method in high in the clouds towards mobile intelligent terminal data as claimed in claim 1, is characterized in that, for mobile intelligent terminal provides the service of upload file to cloud storage system, comprise the steps:
1. the directory state information request that mobile intelligent terminal returns according to server has permission the path upload file of access to user;
2. server end obtains the upload file object of mobile intelligent terminal submission and the relative path of files passe;
3. server end judges whether file object size is less than the residual memory space of user, if not, then points out user to need to expand the current memory space had; Otherwise, the absolute path obtaining files passe is spliced in the basic path of relatively uploading path and user;
4. server end creates FileInputStream object according to the file object obtained, and creates FSDataOutputStream object according to the absolute path of upload file; FileInputStream and FSDataOutputStream is connected by the static method copyBytes () of IOUtils; The inlet flow used when closedown is uploaded by server end after files passe completes and output stream.
3. a kind of safe storage/access method in high in the clouds towards mobile intelligent terminal data as claimed in claim 1, is characterized in that, for mobile intelligent terminal provides the service downloading the file into mobile intelligent terminal from cloud storage system, comprise the steps:
1. the file that the directory state information that mobile intelligent terminal can return according to server end has permission user under the path of access performs down operation;
2. mobile intelligent terminal sends the relative path of wish downloading object file to server end;
3. the absolute path obtaining file destination and download is spliced in the basic path of the relative download path received and user by server end;
4. server end is according to the absolute path establishment FSDataInputStream object of user for the file destination of download, inlet flow object is returned to mobile intelligent terminal, realizes downloading.
4. a kind of safe storage/access method in high in the clouds towards mobile intelligent terminal data as claimed in claim 1, it is characterized in that, by optimizing the original replica node selection strategy of hadoop distributed file system HDFS, achieve the multiple-objection optimization of replica allocation node.
The sensor selection problem strategy of user file data block copy in hadoop distributed file system has considered the distance factor of the memory load rate of node, the current linking number of node, node and data block local node, is selected the optimal node of Replica placement by the step analysis of the parameter to alternate node in subrange.The optimization realizing institute's upload file stores.
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Cited By (17)
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| CN105429994A (en) * | 2015-12-10 | 2016-03-23 | 黄信开 | Smart phone privacy protection method based on distributed cloud storage |
| CN107172014A (en) * | 2017-04-21 | 2017-09-15 | 齐鲁工业大学 | A kind of information management high in the clouds shared system |
| CN107241299A (en) * | 2016-03-29 | 2017-10-10 | 百度在线网络技术（北京）有限公司 | The control of authority management method and device of Dropbox |
| CN107707639A (en) * | 2017-09-22 | 2018-02-16 | 郑州云海信息技术有限公司 | A kind of virtual subnet catalog management method, device, equipment and storage medium |
| CN107729514A (en) * | 2017-10-25 | 2018-02-23 | 郑州云海信息技术有限公司 | A kind of Replica placement node based on hadoop determines method and device |
| CN108363710A (en) * | 2017-06-20 | 2018-08-03 | 孔朝晖 | Cloud system catalogue with intelligent reconstruction Data View |
| CN108616593A (en) * | 2018-05-03 | 2018-10-02 | 湖南东方华龙信息科技有限公司 | Method by the way that storage of linked list high in the clouds certificate can be traced |
| CN109348473A (en) * | 2018-11-21 | 2019-02-15 | Oppo（重庆）智能科技有限公司 | Data uploading method, device, terminal and storage medium |
| CN110147663A (en) * | 2019-04-18 | 2019-08-20 | 西安万像电子科技有限公司 | Data processing method, apparatus and system |
| CN110995690A (en) * | 2019-11-28 | 2020-04-10 | 深圳供电局有限公司 | Secure storage method and device based on cloud storage |
| CN111131133A (en) * | 2018-10-31 | 2020-05-08 | 北京国双科技有限公司 | Data transmission method, data transmission device, storage medium and processor |
| CN111367857A (en) * | 2020-03-03 | 2020-07-03 | 中国联合网络通信集团有限公司 | Data storage method and device, FTP server and storage medium |
| CN112073521A (en) * | 2020-09-10 | 2020-12-11 | 成都中科大旗软件股份有限公司 | Sharing scheduling method and system for scattered data |
| CN112637354A (en) * | 2020-12-28 | 2021-04-09 | 同方威视科技江苏有限公司 | Data transmission management method, system and equipment based on cloud storage |
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| CN115174222A (en) * | 2022-07-06 | 2022-10-11 | 北京神州安付科技股份有限公司 | Information security protection method and system based on mobile device |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105429994B (en) * | 2015-12-10 | 2018-08-28 | 黄信开 | A kind of smart mobile phone time slot scrambling based on distributed cloud storage |
| CN105429994A (en) * | 2015-12-10 | 2016-03-23 | 黄信开 | Smart phone privacy protection method based on distributed cloud storage |
| CN107241299A (en) * | 2016-03-29 | 2017-10-10 | 百度在线网络技术（北京）有限公司 | The control of authority management method and device of Dropbox |
| CN107241299B (en) * | 2016-03-29 | 2021-03-02 | 百度在线网络技术（北京）有限公司 | Method and device for controlling and managing authority of network disk |
| CN107172014A (en) * | 2017-04-21 | 2017-09-15 | 齐鲁工业大学 | A kind of information management high in the clouds shared system |
| CN108363710A (en) * | 2017-06-20 | 2018-08-03 | 孔朝晖 | Cloud system catalogue with intelligent reconstruction Data View |
| CN107707639A (en) * | 2017-09-22 | 2018-02-16 | 郑州云海信息技术有限公司 | A kind of virtual subnet catalog management method, device, equipment and storage medium |
| CN107729514A (en) * | 2017-10-25 | 2018-02-23 | 郑州云海信息技术有限公司 | A kind of Replica placement node based on hadoop determines method and device |
| CN108616593A (en) * | 2018-05-03 | 2018-10-02 | 湖南东方华龙信息科技有限公司 | Method by the way that storage of linked list high in the clouds certificate can be traced |
| CN111131133A (en) * | 2018-10-31 | 2020-05-08 | 北京国双科技有限公司 | Data transmission method, data transmission device, storage medium and processor |
| CN109348473A (en) * | 2018-11-21 | 2019-02-15 | Oppo（重庆）智能科技有限公司 | Data uploading method, device, terminal and storage medium |
| CN109348473B (en) * | 2018-11-21 | 2021-08-03 | Oppo（重庆）智能科技有限公司 | Data uploading method and device, terminal and storage medium |
| CN110147663A (en) * | 2019-04-18 | 2019-08-20 | 西安万像电子科技有限公司 | Data processing method, apparatus and system |
| CN110995690A (en) * | 2019-11-28 | 2020-04-10 | 深圳供电局有限公司 | Secure storage method and device based on cloud storage |
| CN113132426A (en) * | 2019-12-30 | 2021-07-16 | 同方威视科技江苏有限公司 | Cloud platform file management system and method based on user permission |
| CN111367857A (en) * | 2020-03-03 | 2020-07-03 | 中国联合网络通信集团有限公司 | Data storage method and device, FTP server and storage medium |
| CN112073521A (en) * | 2020-09-10 | 2020-12-11 | 成都中科大旗软件股份有限公司 | Sharing scheduling method and system for scattered data |
| CN112073521B (en) * | 2020-09-10 | 2022-09-02 | 成都中科大旗软件股份有限公司 | Sharing scheduling method and system for scattered data |
| CN112637354A (en) * | 2020-12-28 | 2021-04-09 | 同方威视科技江苏有限公司 | Data transmission management method, system and equipment based on cloud storage |
| CN113271362A (en) * | 2021-06-08 | 2021-08-17 | 天闻数媒科技（湖南）有限公司 | Education resource processing method, device, system and medium based on hybrid cloud |
| CN115174222A (en) * | 2022-07-06 | 2022-10-11 | 北京神州安付科技股份有限公司 | Information security protection method and system based on mobile device |
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Application publication date: 20151104 |
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