CN104517062A - Method and device for sub authority document management based on document object model - Google Patents
Method and device for sub authority document management based on document object model Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/604—Tools and structures for managing or administering access control systems
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- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6209—Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2141—Access rights, e.g. capability lists, access control lists, access tables, access matrices
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Abstract
The invention discloses a method and a device for sub authority document management based on a document object model, and relates to the information security field. The method comprises the following steps: performing authority grade setting on the original document with a node tree structure, so that the original document forms a plurality of tree node groups with different authority grades; respectively extracting the grade value of the authority grade of each tree node group from the multiple tree node groups; processing the multiple tree node groups with different authority grades according to the extracted grade value, generating the document data which can be obtained according to each authority grade; respectively sending the document data which can be obtained by each generated authority grade to the terminal with the corresponding authority grade. The method can be used for simultaneously sharing part or all of the content to a plurality of terminal devices according to different authority grades by defining a document format with authority grade, and a plurality of documents are not needed to be prepared.
Description
Technical field
The present invention relates to information security field, particularly a kind of the method and the device that divide authority document management based on DOM Document Object Model.
Background technology
Along with the development of mobile communication technology, mobile electronic device is more and more general in daily life, such as smart mobile phone, panel computer etc.Popularizing as the data sharing between these equipment provides great convenience of wireless network, the file-sharing between mobile electronic device also becomes more and more popular.
DOM Document Object Model (DOM:Document Object Model) tree is a kind of structured representation method to documents such as HTML (Hypertext Markup Language) (HTML:Hypertext Markup Language) or extend markup languages (XML:ExtensibleMarkup Language), in this way, user can by the association attributes providing the interface of standard to visit any element in HTML or the XML page, and can add accordingly dom tree, deletes and renewal rewards theory etc.
Same a document, according to the difference of reading object, its content may have difference a little.Such as, for the project check information of certain month, the result knowing examination is merely able to for employee, and the concrete examination mark of each employee and concrete examination details can also be known for section chief, minister then further can know the project prize prize information that each member can obtain.In order to this document is shared with employee, section chief and minister etc., then need to prepare many parts of different documents, very inconvenient in the management of file, if this file needs to modify, just more bother, need the document of various different editions all to edit.
Summary of the invention
The object of the present invention is to provide a kind of method and device of point authority document management based on DOM Document Object Model, a document can be solved and can not send the problem of the some or all of content in document to multiple other-end equipment according to Permission Levels.
According to an aspect of the present invention, provide a kind of method of point authority document management based on DOM Document Object Model, comprising:
By carrying out Permission Levels setting to node tree structure original document, described original document is made to form multiple burl point groups with different rights grade;
The grade point of the Permission Levels of each burl point group is extracted respectively from described multiple burl point group;
According to extracted grade point, described multiple burl point groups with different rights grade are processed, generate the retrievable document data of each Permission Levels;
The generated retrievable document data of each Permission Levels is sent to the terminal with corresponding authority grade respectively.
Preferably, described by carrying out Permission Levels setting to node tree structure original document, make described original document form the step with multiple burl point groups of different rights grade and comprise:
By giving least privilege grade point by the Part I tree node of original document, form least privilege hierarchical tree node cluster;
By giving medium Permission Levels value by the Part II tree node of original document, form medium Permission Levels burl point group;
By other tree nodes of original document being given highest weight limit grade point, form highest weight limit hierarchical tree node cluster.
Preferably, described by carrying out Permission Levels setting to node tree structure original document, make described original document form the step with multiple burl point groups of different rights grade and comprise:
By giving least privilege grade point by all tree nodes of original document, form the first burl point group;
By again giving medium Permission Levels value to a part of tree node in described first burl point group, form the second burl point group;
By again giving highest weight limit grade point to a part of tree node in described second burl point group, form three-tree node cluster;
Wherein, by described three-tree node cluster called after highest weight limit hierarchical tree node cluster;
By isolating described three-tree node cluster from described second burl point group, remaining tree node in described second burl point group is made to form medium Permission Levels burl point group;
By isolating described second burl point group from described first burl point group, remaining tree node in described first burl point group is made to form least privilege hierarchical tree node cluster.
Preferably, described by carrying out Permission Levels setting to node tree structure original document, make described original document form the step with multiple burl point groups of different rights grade and also comprise: be respectively the title that least privilege hierarchical tree node cluster, medium Permission Levels burl point group and highest weight limit hierarchical tree node cluster arranges Permission Levels.
Preferably, described by carrying out Permission Levels setting to node tree structure original document, make described original document form the step with multiple burl point groups of different rights grade and also comprise:
The title of the Permission Levels of described least privilege hierarchical tree node cluster, medium Permission Levels burl point group and highest weight limit hierarchical tree node cluster and its grade point are set up corresponding relation respectively.
Preferably, describedly to process described multiple burl point groups with different rights grade according to extracted grade point, the step generating the retrievable document data of each Permission Levels comprises:
Travel through all tree nodes according to described grade point, delete all tree node and the child node thereof that are greater than described grade point, obtain the retrievable burl point group of corresponding authority grade;
Data Integration is carried out to the tree node of described burl point group, obtains the retrievable document data of described Permission Levels;
According to grade point order from high to low, obtain the retrievable document data of corresponding authority grade successively, until the tree node of all Permission Levels is disposed.
Preferably, describedly the step of the terminal with corresponding authority grade is sent to comprise respectively the generated retrievable document data of each Permission Levels:
According to the request of the document data of the acquisition corresponding authority grade of terminal transmission, parse the title of Permission Levels in described request;
Utilize the relation of described correspondence, obtain corresponding grade point according to the title of Permission Levels in described request;
According to corresponding grade point, retrievable for each Permission Levels document data is sent to the terminal with corresponding authority grade.
According to a further aspect in the invention, provide a kind of device of point authority document management based on DOM Document Object Model, comprising:
Document compiling unit, for by carrying out Permission Levels setting to node tree structure original document, makes described original document form multiple burl point groups with different rights grade;
Document identification unit, for extracting title and the grade point of the Permission Levels of each burl point group respectively from described multiple burl point group;
Data processing unit, for processing described multiple burl point groups with different rights grade according to extracted each grade point, generates the retrievable document data of each Permission Levels;
Rights management unit, for the title according to terminal, sends to the terminal with corresponding authority grade respectively by the generated retrievable document data of each Permission Levels.
Preferably, described document compiling unit comprises:
Least privilege grade module, for by giving least privilege grade point by the Part I tree node of original document, forms least privilege hierarchical tree node cluster;
Medium Permission Levels module, for by giving medium Permission Levels value by the Part II tree node of original document, forms medium Permission Levels burl point group;
Highest weight limit grade module, for by other tree nodes of original document being given highest weight limit grade point, forms highest weight limit hierarchical tree node cluster.
Preferably, described document compiling unit also comprises:
Corresponding relation module, sets up corresponding relation respectively for described least privilege hierarchical tree node cluster, medium Permission Levels burl point group and highest weight being limit the title of the Permission Levels of hierarchical tree node cluster and its grade point.
Compared with prior art, beneficial effect of the present invention is: can by a kind of document format with Permission Levels of definition, give multiple other-end equipment by with a document according to the some or all of content in different Permission Levels simultaneously sharing document, and many parts of documents need not be prepared.
Accompanying drawing explanation
Fig. 1 is the Method And Principle figure of point authority document management based on DOM Document Object Model that the embodiment of the present invention provides;
Fig. 2 is the structure drawing of device of point authority document management based on DOM Document Object Model that the embodiment of the present invention provides;
Fig. 3 is that the document compiling unit of point authority document management based on DOM Document Object Model that the embodiment of the present invention provides generates the document process flow diagram being with Permission Levels;
The data processing unit of point authority document management based on DOM Document Object Model that Fig. 4 embodiment of the present invention provides obtains the data flowchart of each Permission Levels;
The dom tree structural drawing that each Permission Levels of point authority document management based on DOM Document Object Model that Fig. 5 embodiment of the present invention provides are final.
Embodiment
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail, should be appreciated that following illustrated preferred embodiment is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Fig. 1 is the Method And Principle figure of point authority document management based on DOM Document Object Model that the embodiment of the present invention provides, and as shown in Figure 1, concrete steps are as follows:
Step S101: by carrying out Permission Levels setting to node tree structure original document, makes described original document form multiple burl point groups with different rights grade.
Step S102: the grade point extracting the Permission Levels of each burl point group from described multiple burl point group respectively;
Step S103: according to extracted grade point, described multiple burl point groups with different rights grade are processed, generate the retrievable document data of each Permission Levels;
Step S104: the generated retrievable document data of each Permission Levels is sent to the terminal with corresponding authority grade respectively.
In described step S101, by giving least privilege grade point by the Part I tree node of original document, form least privilege hierarchical tree node cluster;
By giving medium Permission Levels value by the Part II tree node of original document, form medium Permission Levels burl point group;
By other tree nodes of original document being given highest weight limit grade point, form highest weight limit hierarchical tree node cluster.
By giving least privilege grade point by all tree nodes of original document, form the first burl point group;
By again giving medium Permission Levels value to a part of tree node in described first burl point group, form the second burl point group;
By again giving highest weight limit grade point to a part of tree node in described second burl point group, form three-tree node cluster;
Wherein, by described three-tree node cluster called after highest weight limit hierarchical tree node cluster;
By isolating described three-tree node cluster from described second burl point group, remaining tree node in described second burl point group is made to form medium Permission Levels burl point group;
By isolating described second burl point group from described first burl point group, remaining tree node in described first burl point group is made to form least privilege hierarchical tree node cluster.
Be respectively the title that least privilege hierarchical tree node cluster, medium Permission Levels burl point group and highest weight limit hierarchical tree node cluster arranges Permission Levels.
The title of the Permission Levels of described least privilege hierarchical tree node cluster, medium Permission Levels burl point group and highest weight limit hierarchical tree node cluster and its grade point are set up corresponding relation respectively.
In described step S103, travel through all tree nodes according to described grade point, delete all tree node and the child node thereof that are greater than described grade point, obtain the retrievable burl point group of corresponding authority grade;
Data Integration is carried out to the tree node of described burl point group, obtains the retrievable document data of described Permission Levels;
According to grade point order from high to low, obtain the retrievable document data of corresponding authority grade successively, until the tree node of all Permission Levels is disposed.
In described step S104, according to the request of the document data of the acquisition corresponding authority grade of terminal transmission, parse the title of Permission Levels in described request;
Utilize the relation of described correspondence, obtain corresponding grade point according to the title of Permission Levels in described request;
According to corresponding grade point, retrievable for each Permission Levels document data is sent to described terminal.Fig. 2 is the structure drawing of device of point authority document management based on DOM Document Object Model that the embodiment of the present invention provides, and as shown in Figure 2, comprising: document compiling unit, document identification unit, rights management unit and data processing unit.
Described document compiling unit is used for by carrying out Permission Levels setting to node tree structure original document, makes described original document form multiple burl point groups with different rights grade.The least privilege grade module of wherein said document compiling unit is used for, by giving least privilege grade point by the Part I tree node of original document, forming least privilege hierarchical tree node cluster.The medium Permission Levels module of described document compiling unit is used for by giving medium Permission Levels value by the Part II tree node of original document, forms medium Permission Levels burl point group.The highest weight limit grade module of described document compiling unit, for by other tree nodes of original document being given highest weight limit grade point, forms highest weight limit hierarchical tree node cluster.The corresponding relation module of described document compiling unit, sets up corresponding relation respectively for described least privilege hierarchical tree node cluster, medium Permission Levels burl point group and highest weight being limit the title of the Permission Levels of hierarchical tree node cluster and its grade point.
Described document identification unit is used for from described multiple burl point group, extract the Permission Levels of each burl point group respectively title and grade point.
Described data processing unit is used for processing described multiple burl point groups with different rights grade according to extracted each grade point, generates the retrievable document data of each Permission Levels.
Described rights management unit is used for the title according to terminal, and the generated retrievable document data of each Permission Levels is sent to the terminal with corresponding authority grade respectively.
Fig. 3 is that the document compiling unit of point authority document management based on DOM Document Object Model that the embodiment of the present invention provides generates the document process flow diagram being with Permission Levels.As shown in Figure 3, concrete steps are as follows:
Step 301: be the dom tree representation of certain document, from tree node A to tree node K, wherein tree node A is root node.
Step 302: root node A is set to minimum Permission Levels by document compiling unit acquiescence, and Permission Levels title is specified by user, least privilege grade is set to " employee " in the embodiment of the present invention.After tree node is endowed certain Permission Levels, its all child node all will have identical Permission Levels, and namely tree node A to tree node K has Permission Levels " employee ".
Step 303: continue new Permission Levels to be set to " section chief ", namely the Permission Levels of tree node H are set to " section chief ", the original right grade " employee " of its child node I, J and K is covered by new Permission Levels " section chief ".The rank of Permission Levels " section chief ", than the height of Permission Levels " employee ", is the tree node of " section chief " for Permission Levels, has the terminal that Permission Levels are " employee " and cannot obtain the tree node data of Permission Levels for " section chief ".
Step 304: arrange more higher leveled Permission Levels for " minister " in tree node J, its child node K also obtains Permission Levels " minister " automatically, namely only has Permission Levels to be the data that the terminal device of " minister " just can obtain these tree nodes.
Each tree node on step 305:DOM tree comprises a lot of attributes, also supports Custom Attributes.To the tree node that marked Permission Levels, a self-defined new Authorization Attributes, this indicates that the value of the attribute of Permission Levels is defined as Permission Levels value.After tree node Permission Levels are provided with, user needs for all Permission Levels carry out Permission Levels sequence from low to high, and arranges Permission Levels value for each Permission Levels.The Permission Levels value of the Permission Levels of least privilege is 0, and Permission Levels often improve one-level, and Permission Levels value adds 1.
Through above step, the document compiling of whole band authority completes, wherein Permission Levels " minister " can obtain the data of all tree nodes, Permission Levels " section chief " can obtain the data of tree node A to tree node I, and Permission Levels " employee " are only to obtain the data of tree node A to tree node G.
The title of Permission Levels and Permission Levels value are combined into a character string by document compiling unit, for the document of html format, in the head label of html document, increase Permission Levels mark, obtain the detail parameters of Permission Levels for document identification unit, increase and mark as follows:
<meta name=" authority " content=" employee, section chief, minister | 0,1,2 " >
Preserve document.
Document identification unit reads the document of band Permission Levels, from wherein searching the meta meta-tag of name for " authority ".If found, obtain the value of content, if can not find, illustrate that this is not the document format of band Permission Levels, return an empty document.
After document identification unit obtains the value of content, be two parts according to " | " by string segmentation, and further by "; " each part is split, result after segmentation is preserved with the form of array, after having split, two arrays are carried out one_to_one corresponding, if cannot one_to_one corresponding, document recognition failure, returns an empty document.
After document identification unit successfully identifies document, the title of each Permission Levels and the Permission Levels value of correspondence can be obtained and above information is carried out storing with for subsequent use.
The data processing unit of point authority document management based on DOM Document Object Model that Fig. 4 embodiment of the present invention provides obtains the data flowchart of each Permission Levels.As shown in Figure 5, concrete steps are as follows:
Step 401: data processing unit obtains each Permission Levels needing to generate data from document identification unit.
Step 402: Permission Levels are arranged according to Permission Levels value order from high in the end.
Step 403: obtain Permission Levels the highest in sequence list.
Step 404: traversal dom tree, deletes the tree node that all Permission Levels are greater than current selection Permission Levels, also deletes its child node in the lump while deleting tree node.
Step 405: the dom tree after cutting is the retrievable all data tree nodes of current entitlement grade, dom tree is reduced to document data and is kept in internal memory or temporary file.
Step 406: if do not get next Permission Levels, then illustrate that all Permission Levels have all processed, data processing terminates.
Step 407: if got next Permission Levels, then forward step 404 to.
For the document made in document compiling unit, need the Permission Levels generating data to have " minister ", " section chief " and " employee ", be arranged as from high to low according to Permission Levels: minister-section chief-employee.
The dom tree structural drawing that each Permission Levels of point authority document management based on DOM Document Object Model that Fig. 5 embodiment of the present invention provides are final.
As shown in 501 of Fig. 5, get first Permission Levels " minister ", traversal dom tree, deletes tree node and child node that all Permission Levels are greater than current selection Permission Levels.Because " minister " is the highest weight limit grade of current document, does not need the tree node deleted, obtain the dom tree of final Permission Levels " minister ".
As shown in Fig. 5 502, processing authority grade " section chief ", traversal dom tree, deletes tree node and child node that all Permission Levels are greater than current selection Permission Levels.Tree node J and tree node K is because Permission Levels are " minister ", and Permission Levels " minister " are higher than Permission Levels " section chief ", delete this two tree nodes, obtain the dom tree of final Permission Levels " section chief ".
Same, as shown in Fig. 5 503, be the dom tree of Permission Levels " employee ".
The data that rights management unit controls receiving terminal can obtain, before sending data to other-end, according to the Permission Levels title of other-end, array is utilized to find Permission Levels one to one, the retrievable Permission Levels of other-end are set, the document data of the corresponding authority grade generated in data processing unit can be sent to corresponding terminal.
In sum, the present invention has following technique effect: can define a kind of file layout with Permission Levels by the file basis that represents at dom tree, realize a document to be shared with multiple other-end equipment with different rights grade simultaneously, and the data that other-end equipment gets are determined by its Permission Levels, and many parts of documents need not be prepared.
Although above to invention has been detailed description, the present invention is not limited thereto, those skilled in the art of the present technique can carry out various amendment according to principle of the present invention.Therefore, all amendments done according to the principle of the invention, all should be understood to fall into protection scope of the present invention.
Claims (10)
1., based on a method for point authority document management of DOM Document Object Model, it is characterized in that,
By carrying out Permission Levels setting to node tree structure original document, described original document is made to form multiple burl point groups with different rights grade;
The grade point of the Permission Levels of each burl point group is extracted respectively from described multiple burl point group;
According to extracted grade point, described multiple burl point groups with different rights grade are processed, generate the retrievable document data of each Permission Levels;
The generated retrievable document data of each Permission Levels is sent to the terminal with corresponding authority grade respectively.
2. method according to claim 1, is characterized in that, described by carrying out Permission Levels setting to node tree structure original document, makes described original document form the step with multiple burl point groups of different rights grade and comprises:
By giving least privilege grade point by the Part I tree node of original document, form least privilege hierarchical tree node cluster;
By giving medium Permission Levels value by the Part II tree node of original document, form medium Permission Levels burl point group;
By other tree nodes of original document being given highest weight limit grade point, form highest weight limit hierarchical tree node cluster.
3. method according to claim 1, is characterized in that, described by carrying out Permission Levels setting to node tree structure original document, makes described original document form the step with multiple burl point groups of different rights grade and comprises:
By giving least privilege grade point by all tree nodes of original document, form the first burl point group;
By again giving medium Permission Levels value to a part of tree node in described first burl point group, form the second burl point group;
By again giving highest weight limit grade point to a part of tree node in described second burl point group, form three-tree node cluster;
Wherein, by described three-tree node cluster called after highest weight limit hierarchical tree node cluster;
By isolating described three-tree node cluster from described second burl point group, remaining tree node in described second burl point group is made to form medium Permission Levels burl point group;
By isolating described second burl point group from described first burl point group, remaining tree node in described first burl point group is made to form least privilege hierarchical tree node cluster.
4. according to the method in claim 2 or 3, it is characterized in that, described by carrying out Permission Levels setting to node tree structure original document, make described original document form the step with multiple burl point groups of different rights grade and also comprise: be respectively the title that least privilege hierarchical tree node cluster, medium Permission Levels burl point group and highest weight limit hierarchical tree node cluster arranges Permission Levels.
5. method according to claim 4, is characterized in that, described by carrying out Permission Levels setting to node tree structure original document, makes described original document form the step with multiple burl point groups of different rights grade and also comprises:
The title of the Permission Levels of described least privilege hierarchical tree node cluster, medium Permission Levels burl point group and highest weight limit hierarchical tree node cluster and its grade point are set up corresponding relation respectively.
6. method according to claim 1, is characterized in that, describedly processes described multiple burl point groups with different rights grade according to extracted grade point, and the step generating the retrievable document data of each Permission Levels comprises:
Travel through all tree nodes according to described grade point, delete all tree node and the child node thereof that are greater than described grade point, obtain the retrievable burl point group of corresponding authority grade;
Data Integration is carried out to the tree node of described burl point group, obtains the retrievable document data of described Permission Levels;
According to grade point order from high to low, obtain the retrievable document data of corresponding authority grade successively, until the tree node of all Permission Levels is disposed.
7. method according to claim 5, is characterized in that, describedly sends to the step of the terminal with corresponding authority grade to comprise respectively the generated retrievable document data of each Permission Levels:
According to the request of the document data of the acquisition corresponding authority grade of terminal transmission, parse the title of Permission Levels in described request;
Utilize the relation of described correspondence, obtain corresponding grade point according to the title of Permission Levels in described request;
According to corresponding grade point, retrievable for each Permission Levels document data is sent to described terminal.
8., based on a device for point authority document management of DOM Document Object Model, it is characterized in that,
Document compiling unit, for by carrying out Permission Levels setting to node tree structure original document, makes described original document form multiple burl point groups with different rights grade;
Document identification unit, for extracting title and the grade point of the Permission Levels of each burl point group respectively from described multiple burl point group;
Data processing unit, for processing described multiple burl point groups with different rights grade according to extracted each grade point, generates the retrievable document data of each Permission Levels;
Rights management unit, for the title according to terminal, sends to the terminal with corresponding authority grade respectively by the generated retrievable document data of each Permission Levels.
9. device according to claim 8, is characterized in that, described document compiling unit comprises:
Least privilege grade module, for by giving least privilege grade point by the Part I tree node of original document, forms least privilege hierarchical tree node cluster;
Medium Permission Levels module, for by giving medium Permission Levels value by the Part II tree node of original document, forms medium Permission Levels burl point group;
Highest weight limit grade module, for by other tree nodes of original document being given highest weight limit grade point, forms highest weight limit hierarchical tree node cluster.
10. device according to claim 9, is characterized in that, described document compiling unit also comprises:
Corresponding relation module, sets up corresponding relation respectively for described least privilege hierarchical tree node cluster, medium Permission Levels burl point group and highest weight being limit the title of the Permission Levels of hierarchical tree node cluster and its grade point.
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| CN201310445135.4A CN104517062A (en) | 2013-09-26 | 2013-09-26 | Method and device for sub authority document management based on document object model |
| PCT/CN2014/075385 WO2014176973A1 (en) | 2013-09-26 | 2014-04-15 | Method and device for managing documents according to rights based on document object model |
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| CN201310445135.4A CN104517062A (en) | 2013-09-26 | 2013-09-26 | Method and device for sub authority document management based on document object model |
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| CN108073828A (en) * | 2016-11-16 | 2018-05-25 | 阿里巴巴集团控股有限公司 | A kind of webpage integrity assurance, apparatus and system |
| CN109284426A (en) * | 2018-08-23 | 2019-01-29 | 杭州创梦汇科技有限公司 | It is a kind of most according to document classification system based on Permission Levels |
| CN109934008A (en) * | 2018-10-12 | 2019-06-25 | 王龙 | A kind of multitask document file management system based on Permission Levels |
| CN113177190A (en) * | 2021-04-28 | 2021-07-27 | 维沃移动通信有限公司 | Document content sharing method and electronic equipment |
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| WO2014176973A1 (en) | 2014-11-06 |
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