CN115033877A - Method for restoring webpage watermark, computer readable storage medium and computer equipment - Google Patents

Method for restoring webpage watermark, computer readable storage medium and computer equipment Download PDF

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CN115033877A
CN115033877A CN202210743288.6A CN202210743288A CN115033877A CN 115033877 A CN115033877 A CN 115033877A CN 202210743288 A CN202210743288 A CN 202210743288A CN 115033877 A CN115033877 A CN 115033877A
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watermark
watermark element
web page
change
style
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CN115033877B (en
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曾萌
黄燮聪
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Shenzhen Yishi Huolala Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
    • G06F21/55—Detecting local intrusion or implementing counter-measures
    • G06F21/554—Detecting local intrusion or implementing counter-measures involving event detection and direct action
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/16—Program or content traceability, e.g. by watermarking

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Abstract

本申请提供了一种还原网页水印的方法、计算机可读存储介质及计算机设备，包括：在打开的网页上生成水印元素，并保存水印元素的样式；获取用户打开网页前登录的用户信息；通过监听文档对象模型DOM元素是否发生变动，并绑定处理函数；若发生变动，则触发处理函数检查水印元素是否变更；若水印元素变更，则通过保存的水印元素的样式，将水印元素复原，并发送水印元素变更消息和造成水印元素变更的用户信息到后端服务器。可以还原网页水印，追踪变更水印的用户。

Figure 202210743288

The present application provides a method, computer-readable storage medium and computer equipment for restoring a web page watermark, including: generating a watermark element on an opened web page, and saving the style of the watermark element; obtaining user information logged in before the user opens the web page; Monitor whether the DOM element of the document object model changes, and bind the processing function; if there is a change, the processing function is triggered to check whether the watermark element has changed; if the watermark element changes, the watermark element is restored by the style of the saved watermark element, and Send the watermark element change message and the user information causing the watermark element change to the backend server. You can restore the web page watermark and track the user who changed the watermark.

Figure 202210743288

Description

Method for restoring webpage watermark, computer readable storage medium and computer equipment
Technical Field
The present application relates to the field of image processing, and in particular, to a method for restoring a web watermark, a computer-readable storage medium, and a computer device.
Background
A developer of the WEB page determines whether the watermark elements on the webpage are deleted or modified by using a polling technology, namely JavaScript is used uninterruptedly, whether the watermark elements on the webpage exist is searched at regular intervals, and whether the style of the watermark elements is changed is checked.
However, this approach is very computer resource consuming, and may result in a stuck impact on the user experience; the high-frequency polling may cause the page version of the user to be blocked, and the user experience is greatly influenced; and lacks the identity tracing means of the person who destroys the watermark.
Disclosure of Invention
The application aims to provide a method for restoring a webpage watermark, a computer readable storage medium and computer equipment, and aims to solve the problem that a tracing means of a user for changing the webpage watermark is lacked.
In a first aspect, the present application provides a method for restoring a watermark of a web page, including:
generating watermark elements on the opened webpage, and storing the patterns of the watermark elements;
acquiring user information logged in by a user before opening a webpage;
monitoring whether a Document Object Model (DOM) element changes or not, and binding a processing function; the processing function is used for detecting whether the watermark elements are changed or not by monitoring the patterns of the watermark elements, obtaining opened webpage information and user information and recovering the states of the watermark elements;
if no change occurs, the processing function is not triggered; if the watermark elements are changed, triggering a processing function to check whether the watermark elements are changed;
if the watermark element is changed, the watermark element is restored through the stored style of the watermark element, and a watermark element change message and user information causing the watermark element change are sent to the back-end server.
Further, the user information is information registered in real name or information of account number inside the company.
Further, the method further comprises: and the back-end server sends the watermark element change message and the user information causing the watermark element change to a responsible person.
Further, the sending the watermark element change message and the user information causing the watermark element change to the backend server specifically includes: the processing function encrypts and disguises the watermark element change message and the user information causing the watermark element change into a common request to be sent to the back-end server, and the back-end server analyzes the request to obtain the watermark element change message and the user information causing the watermark element change.
Further, the method further comprises: when the network is disconnected and the analysis request fails, the analysis request is stored, and the analysis request is reinitiated after the network is recovered.
Further, the generating of the watermark element on the opened webpage and the storing of the style of the watermark element specifically include: generating a picture of the watermark element by using a JavaScript canvas object, setting a unique id value for the watermark element, and storing the style of the current watermark element in a background database, wherein the style is written on an inner link in a form of highest priority.
Further, the watermark element is changed by deleting the watermark element or modifying the style of the watermark element; the pattern of the watermark element is modified such that the id and/or the inline of the watermark element is changed.
Further, the monitoring whether the DOM element of the document object model changes specifically includes: monitoring a Document Object Model (DOM) element through a variable observer MutationObserver of JavaScript;
the change is that: the characteristics of the DOM elements of the document object model are changed, or the nodes of the text are changed, or one or a plurality of combinations of the sub-elements are added or deleted.
Further, the method further comprises: if the JavaScript is forbidden before the webpage is loaded, the content on the webpage is not loaded;
the variable observer multimedia observer is initialized before the content on the webpage is loaded out, and if the JavaScript is forbidden after the content on the webpage is loaded out, the variable observer multimedia observer will normally run;
and if the memory is cleared, clearing the content on the webpage.
In a second aspect, the present application provides a computer-readable storage medium storing a computer program, which when executed by a processor implements the steps of the method for restoring a watermark of a web page.
In a third aspect, the present application provides a computer device comprising: one or more processors, a memory, and one or more computer programs, the processors and the memory being connected by a bus, wherein the one or more computer programs are stored in the memory and configured to be executed by the one or more processors, which when executing the computer programs implement the steps of the method of restoring a watermark of a web page.
In the method, whether a DOM element of a document object model is changed or not is monitored through a JavaScript change observer, if the DOM element is changed, a processing function is triggered, the monitoring performance is improved, and the defects of a traditional polling method are avoided; and simultaneously, tracing the real identity of the user with the element watermark change through the real name grade of the user.
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Fig. 1 is a flowchart of a method for restoring a web watermark according to an embodiment of the present application.
Fig. 2 is a block diagram illustrating a specific structure of a computer device according to an embodiment of the present disclosure.
Detailed Description
In order to make the purpose, technical solution and beneficial effects of the present application more clear and more obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In order to explain the technical solution described in the present application, the following description will be given by way of specific examples.
Referring to fig. 1, a method for restoring a web watermark according to an embodiment of the present application includes the following steps: it should be noted that, if the result is substantially the same, the method for restoring the web page watermark is not limited to the flow sequence shown in fig. 1.
S101, generating watermark elements on an opened webpage, and storing the patterns of the watermark elements;
s102, obtaining user information logged in by a user before the user opens a webpage;
s103, monitoring whether a Document Object Model (DOM) element changes or not, and binding a processing function; the processing function is used for detecting whether the watermark elements are changed or not by monitoring the patterns of the watermark elements, obtaining opened webpage information and user information and recovering the states of the watermark elements;
s104, if the change does not occur, the processing function is not triggered; if the watermark element is changed, triggering a processing function to check whether the watermark element is changed;
and S105, if the watermark elements are changed, restoring the watermark elements according to the stored watermark element patterns, and sending watermark element change information and user information causing the watermark element change to a back-end server.
The web page includes HTML, CSS, and JavaScript.
In an embodiment of the present application, the user information is information registered in a real name or information about an internal account of a company.
In an embodiment of the present application, the method further includes: and the back-end server sends the watermark element change message and the user information causing the watermark element change to a responsible person.
In an embodiment of the present application, the sending the watermark element change message and the user information causing the watermark element change to the backend server specifically includes: the processing function encrypts and disguises the watermark element change message and the user information causing the watermark element change into a common request to be sent to the back-end server, and the back-end server analyzes the request to obtain the watermark element change message and the user information causing the watermark element change.
In an embodiment of the present application, the method further includes: when the network is disconnected and the analysis request fails, the analysis request is stored, and the analysis request is reinitiated after the network is recovered.
In an embodiment of the present application, the generating a watermark element on an open web page and storing a style of the watermark element specifically includes: generating a picture of the watermark element by using a JavaScript canvas object, setting a unique id value for the watermark element, and storing the style of the current watermark element in a background database, wherein the style is written on an inner link in a form of highest priority.
In an embodiment of the present application, the watermark element change is that the watermark element is deleted or that the pattern of the watermark element is modified; the pattern of the watermark element is modified such that the id and/or the inline of the watermark element is changed.
In an embodiment of the present application, the monitoring whether a document object model DOM element changes specifically includes: monitoring a Document Object Model (DOM) element through a variable observer MutationObserver of JavaScript;
the change is that: the characteristics of the DOM elements of the document object model change, or the text nodes change, or one or a combination of several of the sub-elements are added or deleted.
In an embodiment of the present application, the method further includes: if the JavaScript is forbidden before the webpage is loaded, the content on the webpage is not loaded;
the variable observer multimedia observer is initialized before the content on the webpage is loaded out, and if the JavaScript is forbidden after the content on the webpage is loaded out, the variable observer multimedia observer will normally run;
and if the memory is cleared, clearing the content on the webpage.
An embodiment of the present application provides a computer-readable storage medium, which stores a computer program, and when the computer program is executed by a processor, the computer program implements the steps of the method for restoring a watermark of a web page provided in an embodiment of the present application.
Fig. 2 shows a specific block diagram of a computer device provided in an embodiment of the present application, where the computer device 100 includes: one or more processors 101, a memory 102, and one or more computer programs, wherein the processors 101 and the memory 102 are connected by a bus, the one or more computer programs are stored in the memory 102 and configured to be executed by the one or more processors 101, and the processor 101 implements the steps of the method of restoring a web page watermark as provided by an embodiment of the present application when executing the computer programs.
The computer equipment comprises a server, a terminal and the like. The computer device may be a desktop computer, a mobile terminal or a vehicle-mounted device, and the mobile terminal includes at least one of a mobile phone, a tablet computer, a personal digital assistant or a wearable device.
In the embodiment of the application, whether a DOM element of a document object model is changed or not is monitored through a JavaScript change observer, and if the DOM element is changed, a processing function is triggered, so that the monitoring performance is improved, and the defects of the traditional polling method are overcome; and simultaneously, tracing the real identity of the user with the element watermark changed through the real name grade of the user.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1.一种还原网页水印的方法，其特征在于，包括：1. a method for restoring web page watermark, is characterized in that, comprises: 在打开的网页上生成水印元素，并保存水印元素的样式；Generate a watermark element on the opened web page, and save the style of the watermark element; 获取用户打开网页前登录的用户信息；Obtain the user information logged in before the user opens the webpage; 通过监听文档对象模型DOM元素是否发生变动，并绑定处理函数；所述处理函数是通过监测水印元素的样式，用于检测水印元素是否发生变更，以及得到打开的网页信息和用户信息，并恢复水印元素状态；By monitoring whether the DOM element of the document object model changes, and binding the processing function; the processing function is used to detect whether the watermark element has changed by monitoring the style of the watermark element, and obtain the information of the opened web page and user information, and restore it. watermark element status; 若没有发生变动，则不触发处理函数；若发生变动，则触发处理函数检查水印元素是否变更；If there is no change, the processing function will not be triggered; if there is a change, the processing function will be triggered to check whether the watermark element has changed; 若水印元素变更，则通过保存的水印元素的样式，将水印元素复原，并发送水印元素变更消息和造成水印元素变更的用户信息到后端服务器。If the watermark element is changed, the watermark element is restored through the saved style of the watermark element, and the watermark element change message and the user information causing the change of the watermark element are sent to the back-end server. 2.如权利要求1所述的方法，其特征在于，所述用户信息是实名注册的信息或者是公司内部帐号信息；2. The method of claim 1, wherein the user information is real-name registration information or company internal account information; 所述方法还包括：后端服务器将水印元素变更消息和造成水印元素变更的用户信息发送给负责人。The method further includes: the back-end server sends the watermark element change message and the user information causing the watermark element change to the person in charge. 3.如权利要求1所述的方法，其特征在于，所述发送水印元素变更消息和造成水印元素变更的用户信息到后端服务器具体为：处理函数将水印元素变更消息和造成水印元素变更的用户信息加密并伪装成普通请求发送到后端服务器，后端服务器解析请求，得到水印变更消息和造成水印元素变更的用户信息。3. method as claimed in claim 1 is characterized in that, described sending watermark element change message and the user information that causes watermark element change to back-end server is specifically: processing function changes watermark element change message and causes watermark element change The user information is encrypted and disguised as a normal request and sent to the back-end server. The back-end server parses the request and obtains the watermark change message and the user information that causes the watermark element to be changed. 4.如权利要求3所述的方法，其特征在于，所述方法还包括：当发生断网时，导致解析请求失败，则保存解析请求，网络恢复后重新发起解析请求。4 . The method according to claim 3 , further comprising: when a network disconnection occurs and the parsing request fails, saving the parsing request, and re-initiating the parsing request after the network is restored. 5 . 5.如权利要求1所述的方法，其特征在于，所述在打开的网页上生成水印元素，并保存水印元素的样式具体为：用JavaScript的canvas对象生成水印元素的图片，为水印元素设置唯一的id值，并将当前水印元素的样式保存在后台的数据库，所述样式以最高优先级的形式写在内联上。5. method as claimed in claim 1, is characterized in that, described generating watermark element on the web page that opens, and the style that preserves watermark element is specifically: generate the picture of watermark element with the canvas object of JavaScript, set for watermark element Unique id value, and saves the style of the current watermark element in the database in the background, and the style is written inline with the highest priority. 6.如权利要求1所述的方法，其特征在于，如权利要求1所述的方法，其特征在于，所述水印元素变更是水印元素被删除或者是水印元素的样式被修改；所述水印元素的样式被修改为水印元素的id和/或内联被更改。6. The method according to claim 1, wherein the watermark element change is that the watermark element is deleted or the style of the watermark element is modified; the watermark element is modified; The style of the element is modified to the id of the watermark element and/or the inline is changed. 7.如权利要求5所述的方法，其特征在于，所述通过监听文档对象模型DOM元素是否变动具体为：通过JavaScript的变动观察器MutationObserver监听文档对象模型DOM元素；7. method as claimed in claim 5, is characterized in that, described by monitoring whether document object model DOM element changes specifically: monitor the document object model DOM element by the change observer MutationObserver of JavaScript; 所述发生变动是指：文档对象模型DOM元素的特性发生变动，或文本节点发生变动，或者，添加或删除子元素中的一个或几个组合。The change refers to: the characteristic of the document object model DOM element is changed, or the text node is changed, or one or several combinations of sub-elements are added or deleted. 8.如权利要求1所述的方法，其特征在于，所述方法还包括：如果在网页未加载出来之前JavaScript被禁用，则不加载网页上的内容；8. The method of claim 1, further comprising: if JavaScript is disabled before the web page is loaded, not loading the content on the web page; 变动观察器MutationObserver在网页上的内容加载出来之前进行初始化，如果网页上的内容加载出来后JavaScript被禁用，变动观察器MutationObserver将会正常运行；The Mutation Observer is initialized before the content on the web page is loaded. If JavaScript is disabled after the content on the web page is loaded, the Mutation Observer will run normally; 如果清除内存，则清除网页上的内容。If the memory is cleared, the content on the web page is cleared. 9.一种计算机可读存储介质，所述计算机可读存储介质存储有计算机程序，其特征在于，所述计算机程序被处理器执行时实现如权利要求1至8任一项所述的还原网页水印的方法的步骤。9. A computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, wherein when the computer program is executed by a processor, the restoration web page according to any one of claims 1 to 8 is implemented The steps of the method of watermarking. 10.一种计算机设备，包括：一个或多个处理器、存储器以及一个或多个计算机程序，所述处理器和所述存储器通过总线连接，其中所述一个或多个计算机程序被存储在所述存储器中，并且被配置成由所述一个或多个处理器执行，其特征在于，所述处理器执行所述计算机程序时实现如权利要求1至8任一项所述的还原网页水印的方法的步骤。10. A computer device comprising: one or more processors, a memory, and one or more computer programs, the processors and the memory being connected by a bus, wherein the one or more computer programs are stored in the in the memory, and configured to be executed by the one or more processors, characterized in that, when the processor executes the computer program, the method of restoring a webpage watermark according to any one of claims 1 to 8 is implemented. steps of the method.
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