CN101068245A - Shared file issuing and downloading method and file sharing control system - Google Patents
Shared file issuing and downloading method and file sharing control system Download PDFInfo
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- CN101068245A CN101068245A CN 200710090664 CN200710090664A CN101068245A CN 101068245 A CN101068245 A CN 101068245A CN 200710090664 CN200710090664 CN 200710090664 CN 200710090664 A CN200710090664 A CN 200710090664A CN 101068245 A CN101068245 A CN 101068245A
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Abstract
A method for issuing shared file includes sending user identification and network connection information of shared user to login server by user terminal in order to request certification, sending user identification and said connection information to management server by login server after certification is passed, feeding back network connection information of management server to user terminal being used to send sharing request information to management server and setting shared file to be under sharing state by management server. A downloading method of shared file and system used for realizing said issuing method of shared file are also disclosed.
Description
Technical field
The present invention relates to file-sharing field, internet, relate in particular to file-sharing, download controlled method and system.
Background technology
As the important supplement of Client, P2P technology application on the internet in recent years is increasingly extensive.The P2P network is a kind of distributed network, the user shares the part resource (disposal ability, storage capacity, network concatenation ability, printer, file etc.) that their computer is had, these shared resources can directly be visited by other user and need not through intermediate entities by means of network.The user both can be a resource provider (Server) in this network, can be again resource acquisition person (Client), so was a kind of relation of equity between the user.The P2P technology has made full use of a large amount of computer resources of network edge, comprises the multiple resources such as memory space, CPU time, the information content of dispersion, thereby effectively reduces the load of centralized servers, improves the availability of service.
With each user abstract be a node in the network, each node in the P2P network is the logic equity, be no longer obviously Differentiated Services device and client in the system, can directly carry out transfer of data between each node in the system and do not need to pass through intermediate server.The equity of P2P pattern weakens even has removed the dependence of distribution node to centralized servers, has broken through the server bottleneck, has strengthened network extensibility.
Along with P2P (Peer-to-Peer, equity) technology rapid development, nowadays the P2P file-sharing has obtained popularizing widely and using.According to well-known ISP traffic management in the whole world and the statistics of the CacheLogic of analysis solution provider, in January, 2006, the network traffics that Bittorrent (BT downloads software), P2P sharing download softwares such as eDonkey (electric donkey), Gnutella are produced have occupied the bandwidth of whole the Internet 71%.By this class software, people can obtain the shared file of distribution on global like a cork.The shared file management of comprehensive this class software and safeguard the characteristics of aspect, their most use and management servers or serve as the centralized management node, network has centralized/half distributed frame with super node.
The user is connected with management server, and can be sharing users and download user, and its role distinguishes only effective in the one-way process of sharing or downloading.Sharing users also can be the download user of its non-shared content.The operational flowchart of shared file system for example shown in Figure 1:
Step 101: sharing users sends the information of sharing to management server, the information of should sharing comprises: the sharing users network connection information of shared file, filename, file size, document (are meant the data of file being handled the one section regular length that obtains according to canonical algorithm, no matter what file, the summary that obtains when using identical Message Digest 5 all is regular length (for example 128 bits), and the summary that obtains of different files identical probability to occur very little, so can be used as file identification.Common algorithm is MD5 for example, SHA etc.In the P2P file is downloaded, using the effect of document is to do verification, the file that obtains is obtained a result with Message Digest 5, then with the summary of issue relatively, can judge whether downloaded files error of transmission occurs), the issuing time of file fragmentation information, shared file etc.
Step 102: management server is preserved the shared information of sharing users issue with suitable data structure.
Step 103: download user is initiated the shared file query requests to management server, and this request comprises the filename of shared file;
Step 104: the management server local search obtains the sharing users network connection information of one or more these shared files;
Step 105: management server is to the sharing users network connection information of downloading these one or more these shared files of user feedback;
Step 106: download user and one or more sharing users connect, the transmission of beginning shared file.This process is specially download user and sends download request to one or more sharing users, one or more sharing users feedback connection requests, the transmission of beginning shared file.
But this shared mechanism is inquired about and is downloaded so shared file can be connected to the Any user of management server owing to do not have user management and controlling mechanism.In order to realize P2P file-sharing and download among a small circle, at present can be by means of some public P2P platform, user oneself sets up server in the own privately owned private colony.Intragroup each member is server address in the privately owned private colony with the P2P access server address setting of its client, has so just set up the P2P shared platform of special group.Flow process shown in its operating process and Fig. 1 is basic identical, just needs the group member to set in advance server address in the privately owned private colony, just is not repeated it at this and shares and the download flow process.
In sum, prior art has been built privately owned server, and the user beyond the colony can't be known the existence of this privately owned server.But:
1, still can not realize effectively sharing control in its member inside, for example only want that at member's internal user A to user B, this mode of C shared file f still be irrealizable, therefore prior art has just realized the controllability of file-sharing in a sense, the inreal file-sharing mode that realizes by user's control.
2, lack the authentification of user platform, cause the file access of going beyond one's commission easily.For example when this privately owned server address leakage, other users just can connect up and ask to inquire about and/or download.When the member changed in the group, it is more outstanding that the safety problem of shared file just seems.
3, the user needs oneself to set up server, and this has brought hardware or overhead to the user.
Summary of the invention
The technical problem that the embodiment of the invention will solve provides a kind of issue, method for down loading and file-sharing controllable system of shared file.For solving the technical problem of above-mentioned file-sharing mode by user control, the purpose of the embodiment of the invention is achieved through the following technical solutions:
User terminal sends user ID and sharing users network connection information request authentication to logon server, by authenticating the back logon server user ID and this sharing users network connection information are sent to the management server preservation, and the management server network connection information is fed back to user terminal;
User terminal sends sharing request message to management server, and this message comprises: the filename of sharing users sign, shared file and can download the user ID of this shared file;
With the filename of shared file and corresponding preservation of user ID that can download this shared file, it is shared state that shared file is set to management server by the sharing users sign.
Corresponding to the shared file dissemination method, the embodiment of the invention also provides a kind of method for down loading of shared file, and this method comprises:
User terminal sends user ID and user network link information request authentication to logon server, by authenticating the back logon server user ID and this user network link information are sent to the management server preservation, and to the network connection information of downloading the user feedback management server;
User terminal sends the request download message to management server, carries filename and this user ID of request file in download in this message;
After management server receives this request message, search the information that allows this user's download; Find the rear line terminal and send response message, this message comprises: the user ID and the network connection information of shared file name, shared this document;
User terminal sends the download request that carries the shared file name to the user who shares this document, and the user terminal of sharing this document receives this request and transmits shared file to user terminal.
Corresponding to the issue and the method for down loading of shared file, the embodiment of the invention also provides a kind of file-sharing controllable system, and this system comprises: logon server, management server, user terminal;
Logon server is used to store all user ID; Receive the user ID that user terminal sends, whether the checking user ID is legal, if then send user ID and this user network link information to management server, and to user terminal feedback management server network link information;
Management server is used to preserve user ID and this user network link information that logon server sends; Receive the sharing request message that the user sends, this message comprises: the filename of sharing users sign, shared file and can download the user ID of this shared file; With the corresponding preservation of other information, it is shared state that shared file is set by the sharing users sign; Receive the request download message that the user sends, carry filename and this user ID of request file in download in this message; After receiving the request download message, search the information that allows this user's download, find the back and send response message to download user, this message comprises: the user ID and the network connection information of shared file name, shared this document;
User terminal is used for sending user ID to logon server; Storage user ID, selection user ID send described sharing request message or request download message to management server; Receive the download request that other user terminals send, and to other user terminal transmission shared files.
Above technical scheme as can be seen, because the embodiment of the invention has adopted the login method of user ID, and method by global access control strategy and the local access control policy of user terminal, be that the user can select the authority to which user's shared file voluntarily, make management server when search download request information, only search the shared file information that allows this user's download, realized file-sharing mode by user's control.Though increased logon server, bear by the service provider, do not need user oneself to set up server, do not increase user's hardware or overhead.
Description of drawings
Fig. 1 is the operational flowchart of prior art shared file system;
Fig. 2 is a system diagram of the present invention;
Fig. 3 is the embodiment of the invention 1 flow chart;
Fig. 4 is the embodiment of the invention 2 flow charts;
Fig. 5 is the embodiment of the invention 3 flow charts;
Fig. 6 is the embodiment of the invention 4 flow charts;
Fig. 7 is the embodiment of the invention 5 flow charts.
Embodiment
The purpose of the embodiment of the invention provides a kind of P2P file-sharing, method for down loading and system with file access controlled function, and has also realized shared invitation mechanism on controlled basis.The present invention realizes by following embodiment:
As describing in the background technology, all users in the whole system both can be that the user of download shared file also can be the user who issues shared file, and its role distinguishes only effective in the one-way process of shared or download.
At first introduce the process that the user issues shared file below,, be network system architecture figure of the present invention referring to Fig. 2; This system includes logon server 1, management server 2, user terminal 3.Wherein also disposed global access control strategy storehouse, policy library in the management server 2 and be used for storing all users' sign and respective user and be identified at and share the information that needs in the control, and the server of assisting management when having the user to ask to download shared file effectively screens; User terminal 3 has disposed local access control policy storehouse, is in charge of the download authority of other users to shared file.This network system architecture original centralized/increased logon server on the basis of half distributed frame, this logon server is set up by the service provider, does not need user oneself to set up, and this logon server can be used by all users.
Step 301: sharing users terminal 1 sends the ID (sign) and sharing users 1 network connection information of sharing users 1 to logon server by network;
Step 302: logon server verifies whether these information correct, if correctly then sharing users 1 and the network connection information of management server sent to sharing users terminal 1 by checking; Incorrect this flow process that then finishes;
Step 303: logon server sends to management server with the ID and sharing users 1 network connection information of sharing users 1; Management server is with the corresponding preservation of these information;
Step 304: sharing users terminal 1 sends the shared file request message of shared file A to management server, and this message comprises: the filename A of sharing users sign 1, shared file and can download the user ID of this shared file, and for example the user 2;
Step 305: management server receives this request, and by the sharing users sign 1 corresponding user ID 2 of preserving shared file name A and can download this shared file.
In order to make the user control the issuing time of shared file flexibly, when sending sharing request message, further comprise shared file valid expiration date; Management server just is merely able to share in the specified period this document when receiving this information so, surpasses the shared state that prescribed time-limit is then cancelled this document, because most of step is all identical, is not repeated at this.
For can be in the file-sharing process tightening security property, can be after sharing users 1 be by the logon server authentication, generate a temporary key by logon server, corresponding to this function, management server has increased the temporary key collection accordingly, and whether checking is legal when preserving all temporary keys and receiving the temporary key that the user sends; The local access control policy storehouse of user terminal configuration can also be verified by the user of temporary key and download.
Step 401: sharing users terminal 1 sends the ID (sign) and sharing users 1 network connection information of sharing users 1 to logon server by network;
Step 402: logon server verifies whether these information correct, if correctly then sharing users 1 and the network connection information of management server sent to sharing users terminal 1 by checking; Incorrect this flow process that then finishes;
Step 403: logon server generates a temporary key to sharing users 1, and this temporary key is fed back to sharing users terminal 1;
Step 404: logon server sends to management server with the temporary key of ID, sharing users 1 network connection information and the sharing users 1 of sharing users 1; Management server is with the corresponding preservation of these information;
Step 405: sharing users terminal 1 sends the shared file request message of shared file A to management server, and this message comprises: the filename A of sharing users sign 1, shared file and user ID 2, sharing users 1 temporary key and the shared file valid expiration date that can download this shared file;
Step 406: management server verifies whether this temporary key is legal; If then by sharing users ID other information correspondences are preserved, in shared file file being set in valid expiration date is shared state.
On the basis that has increased the shared file fail safe, further increase the privacy of its transmission of messages, can when sharing users 1 sends sharing request, use this temporary key encrypting messages; When management server receives the shared file request of sharing users 1 transmission, with verifying the legitimacy of temporary key after the temporary key deciphering again,, be not repeated earlier at this because most of step is all identical.
On the controlled basis of above-mentioned realization shared file issue, can also be in the corresponding module of inviting of Sharing Management module expansion, the realization sharing users is sent the information of downloading of inviting to download user.The realization principle of this function is to set up a formation for each user ID, and each element in the formation comprises the inviter who content is provided and send to share invites, i.e. sharing users ID also comprises the sharing users network link address of associated shared file.Invitation incident to be sent is only preserved in this formation, invites when sending to the user who is invited in case certain is shared, and just should the invitation incident delete from formation.That is to say that if the user who is invited is online will receive invitation, this invitation will be deleted from formation,, reach the standard grade up to the user and should invite distribution and from formation, delete if the online management server can not preserved inviting; Certain realization limit value perhaps can be set, and when invited user was not online, management server was preserved just should invite when this invitation surpasses certain limit value and is deleted from formation automatically.
Embodiment 3, and referring to Fig. 5, it is as described below to realize sharing the method for inviting:
Step 501: sharing users terminal 1 sends the ID (sign) and sharing users 1 network connection information of sharing users 1 to logon server by network;
Step 502: logon server verifies whether these information correct, if correctly then sharing users 1 and the network connection information of management server sent to sharing users terminal 1 by checking; Incorrect this flow process that then finishes;
Step 503: logon server generates a temporary key to sharing users 1, and this temporary key is fed back to sharing users terminal 1;
Step 504: logon server sends to management server with the temporary key of ID, sharing users 1 network connection information and the sharing users 1 of sharing users 1; Management server is with the corresponding preservation of these information;
Step 505: sharing users terminal 1 sends the shared file request message of shared file A to management server, and this message comprises: the filename A of sharing users sign 1, shared file and user ID 2, sharing users 1 temporary key and the shared file valid expiration date that can download this shared file; Send simultaneously and carry the invitation download message of inviting the download user sign;
Step 506: management server verifies whether this temporary key is legal; If then by sharing users ID other information correspondences are preserved, in shared file file being set in valid expiration date is shared state; And judge whether the invitation download user of carrying in the invitation download message is online, send the invitation download message to online invitation download user, and send this shared file name, sharing users network connection information, sharing users sign simultaneously, should invite the download message deletion after the transmission; Not online invitation download user is identified, identifies corresponding preservation with shared filename, sharing users network connection information, sharing users; And the user terminal of downloading to invitation in the valid expiration date of presetting, when inviting the user who downloads online sends this invitation download message that deletion is simultaneously preserved.
More than narrate the issuing process of shared file, introduced the downloading process of shared file below:
Embodiment 4, corresponding to the issuing process of embodiment 1, its downloading process is referring to Fig. 6:
Step 601: download user terminal 2 sends the ID (sign) and download user 2 network connection informations of download user 2 to logon server by network;
Step 602: logon server verifies whether these information correct, if correctly then download user 2 by checking and to downloading user terminal 2 feedback management server network link informations, incorrect this flow process that then finishes;
Step 603: logon server sends to management server with the ID and download user 2 network connection informations of download user 2; Management server is with the corresponding preservation of these information;
Step 604: download user terminal 2 is to the file in download request message of management server transmission shared file A, and this message comprises: the filename A of download user sign 2, shared file;
Step 605: management server receives this request, searches the information that allows this user's download; Find the back and send response message to download user 2, this message comprises: the user ID 1 of shared file name A, shared file A and the network connection information of sharing users 1;
Step 606: download user terminal 2 sends the download request that carries shared file name A to sharing users 1, and sharing users 1 this request of response is to download user 2 transmission shared file A.
Embodiment 5, and corresponding to embodiment 2, further authentication, tightening security property can also be carried out by the user that temporary key is downloaded request in the local access control policy storehouse of user terminal configuration.Referring to Fig. 7 is the download flow chart that increases temporary key:
Step 701: download user terminal 2 sends the ID and download user 2 network connection informations of download user 2 to logon server by network;
Step 702: logon server verifies whether these information correct, if correctly then download user 2 by checking and to its feedback management server network link information, incorrect this flow process that then finishes;
Step 703: logon server generates a temporary key to download user 2, and this temporary key is fed back to sharing users terminal 2;
Step 704: logon server sends to management server with the temporary key of ID, sharing users 2 network connection informations and the sharing users 2 of download user 2; Management server is with the corresponding preservation of these information;
Step 705: sharing users terminal 2 is to the file in download request message of management server transmission shared file A, and this message comprises: the filename A of download user sign 2, shared file;
Step 706: management server receives this request, searches the information that allows this user's download; Find the back and send response message to download user 2, this message comprises: the temporary key of the user ID 1 of shared file name A, shared file A, the network connection information of sharing users 1 and sharing users 1;
Step 707: download user terminal 2 sends to sharing users 1 and carries the download request of shared file name A, and comprises the temporary key of the sharing users 1 that download user 2 known simultaneously;
Step 708: sharing users terminal 1 is after the temporary key that download user 2 is transmitted is proved to be successful, to download user 2 transmission shared file A.
On the basis that has increased the shared file fail safe, further increase its privacy, can after download user 2 receives temporary key, this temporary key be encrypted; When sharing users 1 is received the download request of download user 2 transmissions, with verifying the legitimacy of temporary key after the temporary key deciphering again,, be not repeated earlier at this because most of step is all identical.
Embodiment 6, and corresponding to embodiment 3, the download flow process when the download user receives the invitation download message is as follows:
Step 801: after downloading by the logon server authentication, judge whether to receive the invitation download message, this invitation download message comprises: sharing users sign 1, shared file name A, sharing users 1 network connection information etc.; Do not receive then execution in step 802; Receive then execution in step 803;
Step 802: continue to carry out mutual with the management server routine information;
Step 803: ignore this request or connect the download shared file with sharing users terminal 1.If sharing users 1 this moment off-line or sharing users terminal 1 shared file A not, then management server can return other users that have shared file A copy and allow its visit to sharing users 2.
Connecting described in this step may be the process of more complicated, for example needs processes such as deciphering, temporary key checking, and these process the above embodiments have all compared detailed description, are not repeated at this.
In embodiment 4 to 6, after download user 2 has downloaded shared file A, can be further to the management server feedback, the user profile that management server further adds download user sign 2, download user network connection information, shared file name A to shared file A; Perhaps in the process of download user 2 download shared file A, feed back download user sign 2, download user network connection information, shared file name A and download progress to management server.Management server is notified the user of other file in download A after receiving above-mentioned feedback, improve the speed of download of other download user.So just make identical file on shared control strategy, have inheritance.And after download user has been downloaded shared file, can this shared file be set to shared state, download with the user who makes things convenient for other.Download user can also further allow the user ID of visit to the management server feedback, can further strengthen the controlled shared inheritance of file like this.
In order to improve controlled function to shared file, the user can also carry out the cancellation sharing operation to shared file: for example sharing users 1 authenticates by logon server, logon server is sent to user ID and this user network link information after management server preserves, sharing users 1 sends cancellation to management server and shares information, and this information comprises: shared file name, sharing users sign; Management server after receiving the shared message of cancellation is shared the corresponding file cancellation.After having increased temporary key, the operation that cancellation is shared can change accordingly according to embodiment 2, is not repeated at this.
In order to improve the controlled function to shared file, the user can also carry out shared file is added up:
Preset same user ID and use different station address logins; The user authenticates by logon server, and logon server is sent to user ID and this user network link information after management server preserves, and the user sends its file request of sharing of statistics to management server;
Management server is added up all available shared file information that this user ID was shared, and to user feedback.This available shared information has comprised the available link information after other user's download are crossed this document.
The method of above-mentioned issue shared file and download shared file all is to realize in network system architecture as shown in Figure 2.Narrate the effect of embodiment of the invention system below.
User terminal 3 is used for sending user ID to logon server 1; Storage user ID, selection user ID send described sharing request message or request download message to management server 2; Receive the download request that other user terminals send, and to other user terminal transmission shared files.
In order to improve the fail safe of system, increased the function of temporary key, so logon server 1 is further used for after receiving user ID to should user ID generating a temporary key on the basis of above-mentioned functions; And with this temporary key transmission user terminal 3 and management server 2;
User terminal 3 is on the basis of above-mentioned functions, and local access control policy storehouse is further used for receiving temporary key and the preservation that logon server sends; When sending sharing request message, management server 2 sending this temporary key; At the temporary key that when other user terminals send download request, further comprises other users; Receive that other users send comprise the download request of this temporary key the time, after by key authentication, transmit shared file to other user terminals.
In order to make the user can obtain shared file information timely, management server 2 has increased the invitation module;
Therefore user terminal 3 is further used for also sending the invitation download message that carries the download user sign when management server 2 sends sharing request message; After user ID checking by logon server 1, judge whether to receive the invitation download message, this information comprises invites shared file name, sharing users network connection information, the sharing users sign of downloading; Then download user and management server execution routine information is mutual if confiscate; If receive then with sharing users connect download shared file or ignore this invitations download message after, download user is mutual with management server execution routine information again;
The invitation module of management server 2 is used for when preserving sharing request message, whether the user who judges the invitation download is online, sends the invitation download message that carries this shared file name, sharing users network connection information, sharing users sign to online invitation download user; With not online invitation download user sign, with the corresponding preservation of described invitation download message; And the user who downloads to invitation in the valid expiration date of presetting, when inviting the user who downloads online sends this invitation download message that deletion is simultaneously preserved.
In order to improve the function of this document controllable system more, increased the function that the user cancels its some or all file of sharing.
Therefore user terminal 3 after being further used for management server and preserving user ID that logon server sends and this user network link information, sends cancellation to management server and shares message, and this message comprises: shared file name and sharing users identify;
The global access control strategy storehouse of management server 2 is further used for after receiving the shared message of described cancellation, the search shared file, and cancel the shared information that this also deletes this document.Also can also delete other users' of default shared this file because of downloading shared file clauses and subclauses simultaneously not only with this shared file clauses and subclauses deletion of sharing users, the shared copy that is about to other users is also cancelled.This also is to be derived from the inheritance of sharing message.
In order to improve the function of this document controllable system more, also increased the function that the user adds up its shared file information.The statistics here just is meant the essential information of the inquiry acquisition All Files that this user shared, that on other machines, share before comprising and shared now, and the availability of each file.This paper proposes is based on sharing of user's login mode, therefore suppose that user A is once a certain computer log and shared certain file of that computer, when after user A withdraws from, on other computers, logining, still the essential informations of being shared before can viewing such as filename, but because the user terminal variation, so user A oneself can't actually read the file that was once shared.But if in the process of once sharing on user A, have another user B to download this document, and this user B is online this moment, and user A and other users still can have access to the file on other computers of sharing last time so.Here, B is service user's (having downloaded the file use), is again ISP's (having played the availability of continuity file and the effect of transfer).In the statistics of response A, management server thinks that still this document is available, and tells A with it).
Therefore user terminal 3 after being further used for management server 2 and preserving user ID that logon servers send and this user network link information, sends the request that user ID was shared file of adding up to management server;
In sum, because the embodiment of the invention has adopted the login method of user ID, and method by global access control strategy and the local access control policy of user terminal, be that the user can select the authority to which user's shared file voluntarily, make management server when search download request information, only search the shared file information that allows this user's download, realized file-sharing mode by user's control.Though increased logon server, bear by the service provider, do not need user oneself to set up server, do not increase user's hardware or overhead.
And increased temporary key, temporary key is encrypted, being published on the user all needs in the process of downloading to verify, has strengthened file is downloaded and the fail safe of issuing.And increased the control of time of shared file, can reduce management server stores pressure to a certain extent.
Realizing under the situation shared, that file in download safety is controlled that the embodiment of the invention also provides invites mechanism, makes the user can obtain shared information timely; File-sharing that the function that cancellation is shared, statistics is shared information is further perfect, download controlled method and system, improved user satisfaction.
More than issue, method for down loading and the file-sharing controllable system of a kind of shared file that the embodiment of the invention provided is described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (17)
1, a kind of dissemination method of shared file is characterized in that, this method comprises:
User terminal sends user ID and sharing users network connection information request authentication to logon server, by authenticating the back logon server user ID and this sharing users network connection information are sent to the management server preservation, and the management server network connection information is fed back to user terminal;
User terminal sends sharing request message to management server, and this message comprises: the filename of sharing users sign, shared file and can download the user ID of this shared file;
With the filename of shared file and corresponding preservation of user ID that can download this shared file, it is shared state that shared file is set to management server by the sharing users sign.
2, the dissemination method of shared file according to claim 1 is characterized in that,
After user terminal authenticated by logon server, logon server fed back temporary key to user terminal; Logon server further sends to this temporary key management server and preserves;
User terminal further sends to management server: temporary key;
Management server is confirming that the legal back of this temporary key identifies the corresponding preservation of other information by sharing users, and it is shared state that shared file is set.
3, the dissemination method of shared file according to claim 2 is characterized in that,
User terminal is sent to management server after at first temporary key being encrypted again;
After management server is received the temporary key of described sharing request message and encryption, at first the temporary key of encrypting is decrypted, confirms again whether this temporary key is legal.
4, the dissemination method of shared file according to claim 1 and 2 is characterized in that,
User terminal further comprises to the sharing request message that management server sends: shared file valid expiration date;
After management server is preserved described sharing request message, arrive shared file during valid expiration date, with shared file request message and the deletion of this sharing users network connection information.
5, the dissemination method of shared file according to claim 1 and 2 is characterized in that,
User terminal further sends the invitation download message that carries the download user sign when management server sends sharing request message;
Management server is when preserving described sharing request message, whether the user terminal of judging the invitation download is online, send the invitation download message to online invitation download user, and send this shared file name, sharing users network connection information, sharing users sign simultaneously, should invite the download message deletion after the transmission; Not online invitation download user is identified, identifies corresponding preservation with shared filename, sharing users network connection information, sharing users; And the user terminal of downloading to invitation in the valid expiration date of presetting, when inviting the user terminal of downloading online sends this invitation download message that deletion is simultaneously preserved.
6, the dissemination method of shared file according to claim 1 and 2 is characterized in that,
After management server is preserved described sharing request message, further feed back the information of sharing a success to sending described sharing request message user.
7, the dissemination method of shared file according to claim 1 is characterized in that,
User terminal authenticates by logon server, logon server is sent to user ID and this sharing users link information after management server preserves, user terminal sends cancellation to management server and shares information, and this information comprises: shared file name, sharing users sign;
Management server after receiving the shared message of cancellation is shared the corresponding file cancellation.
8, the dissemination method of shared file according to claim 1 is characterized in that,
Preset same user ID and use different user terminal logins;
User terminal authenticates by logon server, and logon server is sent to user ID and sharing users link information after management server preserves, and sends its file request of sharing of statistics to management server;
Management server is added up all available shared file information that this user ID was shared, and feeds back to user terminal.
9, a kind of method for down loading of shared file is characterized in that, this method comprises:
User terminal sends user ID and user network link information request authentication to logon server, by authenticating the back logon server user ID and this user network link information are sent to the management server preservation, and to the network connection information of downloading the user feedback management server;
User terminal sends the request download message to management server, carries filename and this user ID of request file in download in this message;
After management server receives this request message, search the information that allows this user's download; Find the rear line terminal and send response message, this message comprises: the user ID and the network connection information of shared file name, shared this document;
User terminal sends the download request that carries the shared file name to the user who shares this document, and the user terminal of sharing this document receives this request and transmits shared file to user terminal.
10, the method for down loading of shared file according to claim 9 is characterized in that,
Management server is further comprising when user terminal sends response message: the temporary key of sharing this document user;
User terminal further comprises described this user's temporary key when the user who shares this document sends the download request that carries the shared file name; The user who shares this document is confirming the legal rear line terminal transmission of temporary key shared file.
11, according to the method for down loading of claim 9 or 10 described shared files, it is characterized in that,
After user terminal is by the logon server authentication, judge whether to receive the invitation download message, this information comprises invites shared file name, sharing users network connection information, the sharing users sign of downloading;
Then do not carry out shared file or download request if receive; If receive then with all online sharing users connect download shared file or ignore this invitation download message after, carry out shared file or download request again.
12, according to the method for down loading of claim 9 or 10 described shared files, it is characterized in that,
The user terminal of shared file is after the user terminal transmission shared file data of downloading finish, and management server is preserved this download user sign, download user network link address, shared file name information; Perhaps transmitting in the process of shared file to the download user terminal the user of shared file, management server is preserved this download user sign, download user network link address, shared file name, file download progress information, and notifies other download user terminals with described information.
13, a kind of file-sharing controllable system is characterized in that, this system comprises: logon server, management server, user terminal;
Logon server is used to store all user ID; Receive the user ID that user terminal sends, whether the checking user ID is legal, if then send user ID and this user network link information to management server, and to user terminal feedback management server network link information;
Management server is used to preserve user ID and this user network link information that logon server sends; Receive the sharing request message that the user sends, this message comprises: the filename of sharing users sign, shared file and can download the user ID of this shared file; With the corresponding preservation of other information, it is shared state that shared file is set by the sharing users sign; Receive the request download message that the user sends, carry filename and this user ID of request file in download in this message; After receiving the request download message, search the information that allows this user's download, find the back and send response message to download user, this message comprises: the user ID and the network connection information of shared file name, shared this document;
User terminal is used for sending user ID to logon server; Storage user ID, selection user ID send described sharing request message or request download message to management server; Receive the download request that other user terminals send, and to other user terminal transmission shared files.
14, file-sharing controllable system according to claim 13 is characterized in that,
Logon server is further used for after receiving user ID should user ID generating a temporary key; And with this temporary key transmission user terminal and management server;
Management server is further preserved temporary key; Behind the temporary key and described sharing request message that receive the user terminal transmission, confirming that the legal back of this temporary key identifies the corresponding preservation of other information by sharing users, it is shared state that shared file is set; When sending response message, user terminal further comprising: the temporary key of sharing this document user;
User terminal is further used for receiving temporary key and the preservation that logon server sends; When sending sharing request message, management server sending this temporary key; At the temporary key that when other users send download request, further comprises other users; When receiving the download request of the temporary key that comprises this user that other users send, after by key authentication, transmit shared file to other users.
15, according to claim 13 or 14 described file-sharing controllable systems, it is characterized in that,
User terminal is further used for also sending the invitation download message that carries the download user sign when management server sends sharing request message; After user ID checking by logon server, judge whether to receive the invitation download message, this information comprises invites shared file name, sharing users network connection information, the sharing users sign of downloading; If confiscating then, download user sends the request download message to management server; If receive then with sharing users connect download shared file or ignore this invitations download message after, download user sends to management server and asks download message;
Management server, be further used for when preserving sharing request message, whether the user who judges the invitation download is online, sends the invitation download message that carries this shared file name, sharing users network connection information, sharing users sign to online invitation download user; With not online invitation download user sign, with the corresponding preservation of described invitation download message; And the user who downloads to invitation in the valid expiration date of presetting, when inviting the user who downloads online sends this invitation download message that deletion is simultaneously preserved.
16, file-sharing controllable system according to claim 13 is characterized in that,
User terminal after being further used for management server and preserve preserving user ID that logon server sends and this user network link information, sends cancellation to management server and shares message, and this message comprises: shared file name and sharing users identify;
Management server is further used for searching for the shared file of this user ID, and getting the file-sharing information of this user ID of deletion after receiving the shared message of described cancellation; Perhaps further delete other sharing users and share the shared information of this document.
17, file-sharing controllable system according to claim 13 is characterized in that,
User terminal after being further used for management server and preserve preserving user ID that logon server sends and this user network link information, sends the request that user ID was shared file of adding up to management server;
Management server, be further used for receiving described statistics request after, add up all available shared file information that this user ID was shared, and feed back to user terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710090664 CN101068245B (en) | 2007-03-30 | 2007-03-30 | Shared file issuing and downloading method and file sharing control system |
| PCT/CN2008/070277 WO2008119273A1 (en) | 2007-03-30 | 2008-02-04 | Method for releasing and downloading file, management server, terminal and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710090664 CN101068245B (en) | 2007-03-30 | 2007-03-30 | Shared file issuing and downloading method and file sharing control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101068245A true CN101068245A (en) | 2007-11-07 |
| CN101068245B CN101068245B (en) | 2011-07-06 |
Family
ID=38880681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710090664 Active CN101068245B (en) | 2007-03-30 | 2007-03-30 | Shared file issuing and downloading method and file sharing control system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101068245B (en) |
| WO (1) | WO2008119273A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101068245B (en) | 2011-07-06 |
| WO2008119273A1 (en) | 2008-10-09 |
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