CN110764846A - Method for realizing cross-browser calling of computer external equipment based on local proxy service - Google Patents
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
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- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/16—Implementing security features at a particular protocol layer
- H04L63/168—Implementing security features at a particular protocol layer above the transport layer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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Abstract
The invention discloses a method for realizing cross-browser calling of computer external equipment based on local proxy service, which comprises the following steps of installing a local proxy service on a computer, automatically registering SSL communication root certificates into certificate libraries of an operating system and a browser during installation of the local proxy service, and setting the proxy program as a starting-up automatic starting mode; step two, after the local proxy service is installed, the operation is automatically started; after completing environment detection and repair, the local proxy service locally starts HTTPS service by using SSL communication certificate signed by the SSL root certificate registered in the first step, monitors a corresponding local port, and waits for processing a related service request sent by a webpage; designing a multi-port polling mode to ensure that the local proxy service is normally available; and step five, finishing the intelligent version updating function of the local proxy service when the upper-layer webpage is loaded.
Description
Technical Field
The invention belongs to the field of information security and data service, and particularly relates to a method for realizing cross-browser calling of computer external equipment based on local proxy service.
Background
The method for calling the computer external equipment in the existing browser comprises the following steps:
at present, a web page is opened in a browser to call external devices (such as a CA digital certificate, a handwriting pad, a label printer and the like) of a computer, which generally means that an ActiveX control provided by a manufacturer is embedded in the web page of an IE browser, and the external devices of the computer are called through an interface provided by the ActiveX control. Usually, each external device needs to integrate one or more factory-provided ActiveX controls in a webpage, and when the webpage is opened, the user is prompted to load a certain ActiveX control one by one.
The ActiveX control is a browser plug-in technology designed by Microsoft based on a Windows platform, and is a package of control components or objects, and a developer can insert the ActiveX control into a Web page or other application programs to realize the use of interfaces or functions. The extended functions of many browsers, such as internet bank, Flash, etc., are provided in the form of ActiveX. But ActiveX is supported by browsers with only IE kernels, while browsers with non-IE kernels do not support this form of control, for example: chrome, Firefox, Safari, Edge, etc.
The prior art scheme is analyzed:
since ActiveX control is a standard for using controls in a web page proposed by microsoft, only the browser of the IE kernel is supported. If the computer peripheral is called in a webpage, one or more ActiveX controls are generally integrated in the webpage. In summary, the prior art has the following problems:
the first problem is that: the ActiveX control only supports browsers with IE kernels, and currently, mainstream Chrome and Firefox kernel browsers do not support ActiveX controls, so that a user cannot use external equipment (such as CA digital certificates, handwriting boards, label printers and the like) of a computer in mainstream browsers (such as Chrome, Firefox, Safari, Edge and the like) except IE.
The second problem is that: after the ActiveX control is integrated in the webpage, when the user opens the webpage, the user is protected and limited by an IE security mechanism, the user is usually required to manually confirm to load the ActiveX control, and if the user forgets authorization or performs misoperation to cancel the loading, the user can easily fail to normally use the computer external equipment.
The third problem is that: if a plurality of computer external devices need to be used in a certain webpage, a plurality of ActiveX controls need to be integrated and embedded in the webpage, so that a user can prompt to load the ActiveX controls for a plurality of times when opening the webpage, and the probability that the user cannot normally use the computer external devices is invisibly and greatly increased.
The fourth problem is that: due to the implementation mechanism of the ActiveX control, the ActiveX control must be correctly registered in the system and stored in a specific location (e.g., under the system directory of the windows system c-disc) before being used normally. The prior technical scheme can not automatically detect and repair the environment information which is depended by the ActiveX, so that a user can not continuously use the computer external equipment when the computer environment information is damaged and tampered.
The fifth problem is that: if a newly accessed computer external device (such as a commonly used label printer) is provided by a manufacturer, only interface modules such as a DLL dynamic library and the like are provided, and an ActiveX control is not provided, the existing technical scheme cannot ensure that the computer external device is used in a webpage.
Problem six: at present, in order to call a computer external device through an ActiveX in a browser with a non-IE kernel, many developers adopt a plug-in technology of an NPAPI interface, and call the ActiveX through a plug-in of the NPAPI interface. But the scheme is only limited to be used under Chrome and Firefox, Edge and Safari are not supported, and the new version of Chrome and Firefox no longer supports the use of NPAPI interface.
In the prior art, an implementation method of a client function extension component supporting a browser (CN 2016109172303) proposes a principle and a method for calling a local control across browsers, but is limited to an HTTP protocol, and does not propose how to process and implement the HTTPs protocol. Since HTTP is transmitted in clear text, the communication content is easily intercepted and tampered, and the identities of both parties cannot be verified. In order to ensure the secure transmission of communication contents, HTTPS protocol was developed. HTTPS is a network protocol that is constructed by SSL + HTTP protocol and can perform encryption transmission and identity authentication, and is higher in security than HTTP protocol, so that HTTPS protocol is adopted in mainstream websites at present. However, because of the security limitation of the browser, in the web page of the HTTPS protocol, the local network request of the HTTP cannot be accessed across domains, so that the method cannot realize calling the external device of the computer in the web page of the HTTPS protocol.
In the prior art, "a system and method for secure transmission of data using hardware encryption medium across browsers" (CN 2016106951832) proposes how to invoke an implementation principle and method of a local encryption medium (CA certificate) across browsers, and does not propose how to implement HTTPS protocol and how to solve the problems of distribution and update of local proxy service.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to: aiming at the situations that increasing numbers of computer external devices are increased, updating iteration of browser technology is faster and faster, and safety of browsers is higher and higher, in order to enable users to use the computer external devices better and enable webpage developers to integrate and call the computer external devices more conveniently, the invention provides an implementation method for realizing cross-browser calling of the computer external devices based on local proxy service, and the problems can be effectively solved.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that: a method for realizing cross-browser calling of computer external equipment based on local proxy service comprises the following specific steps:
step one, installing a local proxy service on a computer, automatically registering SSL communication root certificates into a certificate library of an operating system and a browser when the program is installed, and setting the proxy program to be in a starting-up automatic starting mode.
And step two, after the local proxy service is installed, automatically starting operation. The agent program completes the detection and repair actions on the native environment, including but not limited to the detection and repair of whether concerned ActiveX control, COM component, DLL dynamic library and the like can be normally called or not, and the detection and repair of SSL communication root certificate.
And step three, after the local proxy service completes the environment detection and repair, the SSL communication certificate signed by the SSL root certificate registered in the step one is used for locally starting the HTTPS service, monitoring a corresponding local port, and waiting for processing a related service request sent by the webpage.
Step four, designing a multi-port polling mode to ensure that the local proxy service is normally available, and specifically realizing the following steps: a few (more than one) of the unusual port numbers (for example: 39001 to 39010, ten ports in total) are agreed in advance, the local proxy service polls the several agreed port numbers (for example, 39001 to 39010) when starting the HTTPS service, and listens to the port when finding out which port is not occupied. In the same design, when the web page is loaded, the web page firstly sends a query request to the home agent service, polls several port numbers (for example, 39001-to 39010) appointed in advance, finds out which port request has data returned normally, and then knows the port number monitored by the home agent service, and then the web page caches the port number, and subsequent normal service requests are sent to the home agent service through the port number. The technical means solves the problems that the webpage cannot acquire the specific port number successfully monitored by the local proxy service in real time and whether the specific port number appointed in advance is occupied by other programs or not due to the safety mechanism of the browser.
Step five, when the upper-layer webpage is loaded, firstly sending an HTTPS request for inquiring the version number to a local agent service: if the HTTPS request has no response, the fact that the local agent service is not installed on the computer or the local agent service is abnormal is indicated, the webpage automatically jumps to the local agent service downloading webpage, and a user is prompted to download and install the local agent service, so that the automatic distribution function of the local agent service is completed. If the version number returned by the inquiry version number HTTPS request is smaller than the expected version number, the computer is provided with the old version of local service, the webpage automatically jumps to a download webpage of the local agent service update package, and prompts a user to download and update the local service, thereby completing the intelligent update function of the version of the local agent service.
Has the advantages that:
in the invention, the version number inquiry interface of the local proxy service is accessed through the webpage, so that the functions of automatic distribution and intelligent version updating of the local proxy service can be realized, and the distribution cost of products and the performance pressure of a background server can be greatly reduced.
In the invention, the local proxy service program provides HTTPS service to the upper layer by monitoring the local port, and the HTTPS request is sent to the local proxy service in the webpage, thereby realizing the purpose of calling the computer external equipment by crossing browsers, and solving the problem that calling the computer external equipment in the prior art can only be realized in the browser of the IE kernel.
In the invention, the functions of automatic distribution and intelligent version updating can be completed only by providing one download server. The automatic distribution and version intelligent updating strategy realized by the local agent service greatly facilitates the operation and popularization of programs, and reduces the operation cost and the complexity of background services.
The invention realizes the cross-browser calling of the computer external equipment and solves the problem that the local proxy service can be accessed in cross-domain in the web pages of HTTP and HTTPS by realizing the HTTPS protocol through the local proxy service, thereby realizing the calling of the computer external equipment.
The home agent service avoids the abnormal situation that a certain specified port is accidentally occupied by other programs by a mode of monitoring a plurality of (more than one) ports in a polling mode. The automatic detection and repair strategy of the local proxy service to the environment greatly ensures that the local proxy service can normally run, and a user can normally use the computer external equipment.
Drawings
Figure 1 is a logic diagram of the prior art solution operating.
FIG. 2 is a logic diagram for implementing cross-browser invocation of computer peripheral equipment based on local proxy service.
Fig. 3 is a flowchart of an environment detection and repair of the home agent service according to an embodiment of the present invention.
FIG. 4 is a flowchart illustrating a method for invoking a computer peripheral device by a web page via a home agent service according to an embodiment of the present invention.
FIG. 5 is a flow chart of automatic distribution and version intelligent update of a home agent service according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
As shown in the operation logic diagram of the prior art scheme in fig. 1, the prior art scheme can only call the computer external device (such as a CA certificate, a label printer, a tablet, and the like) in the browser of the IE kernel in an ActiveX control manner, which greatly reduces the user experience, and if a certain computer external device does not provide an ActiveX control, the user cannot use the computer external device through a web page.
Fig. 2 is a logic diagram illustrating the operation of the present invention, wherein the present invention ensures that the external device of the computer can be normally used in any protocol web page (HTTP, HTTPS) by implementing the proxy service locally as a bridge channel between the web page and the external device of the computer and by means of the HTTPS encryption channel. Even if a certain computer external device does not provide a standard ActiveX control, in this case, only interface modules in the forms of DLL and the like need to be provided, and after the interface modules are integrated into the local proxy service, a user can normally use the computer external devices in a browser of a main stream kernel (Google, Firefox, IE, Safari, Edge and the like).
The method for realizing cross-browser calling of the computer external device based on the local proxy service in the embodiment is characterized in that the cross-browser means that the method supports the requirements of all common browsers (such as browsers of Chrome, Firefox, Safari, IE, Edge and the like) on calling the computer external device through the technical framework provided by the invention. The invention installs local proxy service on the user computer, and the proxy service integrates and calls the interface module (such as DLL, ActiveX control, COM component, etc.) of the computer external device. The local proxy service program provides HTTPS service for the upper layer by monitoring the local port. Because the mainstream browsers all support HTTP/HTTPS type network protocols, an HTTPS request is sent to the local proxy service in a webpage, so that the purpose of calling the computer external equipment across browsers is realized, and the problem that calling the computer external equipment in the prior art can only be realized in the browser of the IE kernel is solved.
The local proxy service in this embodiment may integrate the interface modules of one or more external computer devices, and when the local service is started, the interface modules of all the external computer devices configured in advance are loaded in a silent manner, so as to well solve the problem that the user needs to be repeatedly prompted to authorize the loading when a plurality of external computer devices are called in the prior art.
After the local proxy service program in this embodiment is installed, the default setting is that the computer is started, and when the local service is started, the local environment is automatically detected and repaired, and the interface module of the internally integrated computer external device is preloaded and simulated and called. When loading or calling fails, the interface module is automatically repaired, so that the problem that automatic detection and repair cannot be performed when the local environment is abnormal or damaged in the conventional scheme is solved.
In the embodiment, the version number query interface of the local proxy service is accessed through the webpage, so that the functions of automatic distribution and intelligent version updating of the local proxy service can be realized, and the distribution cost of products and the performance pressure of the background server can be greatly reduced. When the browser loads a target webpage, the process of sending an HTTPS request for inquiring the version number to the local proxy service is as follows:
【1】 If the HTTPS request of the query version number does not respond, the situation that the local proxy service is not installed on the computer or the local proxy service is abnormal is indicated, the webpage automatically jumps to the local proxy service downloading webpage, and a user is prompted to download and install the local proxy service, so that the automatic distribution function of the local proxy service is completed.
【2】 If the version number returned by the inquiry version number HTTPS request is smaller than the expected version number, the computer is indicated to be provided with the old version of the local proxy service, the webpage automatically jumps to a download webpage of the local proxy service update package, and prompts a user to download and update the local service, thereby completing the intelligent update function of the version of the local proxy service.
The method for realizing cross-browser calling of the computer external equipment based on the local proxy service comprises the following specific steps:
step one, installing a local proxy service on a computer, automatically registering SSL communication root certificates into a certificate library of an operating system and a browser when the program is installed, and setting the proxy program to be in a starting-up automatic starting mode.
FIG. 3 illustrates a process for performing automatic detection and repair of a computer environment during startup of a home agent service according to the present invention.
And step two, after the local proxy service is installed, automatically starting operation. The agent program completes the detection and repair actions on the native environment, including but not limited to the detection and repair of whether concerned ActiveX control, COM component, DLL dynamic library and the like can be normally called or not, and the detection and repair of SSL communication root certificate.
And step three, after the local proxy service completes the environment detection and repair, the SSL communication certificate signed by the SSL root certificate registered in the step one is used for locally starting the HTTPS service, monitoring a corresponding local port, and waiting for processing a related service request sent by the webpage.
FIG. 4 shows a process for invoking a home agent service for a web page in the present invention.
Step four, designing a multi-port polling mode to ensure that the local proxy service is normally available, and specifically realizing the following steps: a few (more than one) of the unusual port numbers (for example: 39001 to 39010, ten ports in total) are agreed in advance, the local proxy service polls the several agreed port numbers (for example, 39001 to 39010) when starting the HTTPS service, and listens to the port when finding out which port is not occupied. In the same design, when the web page is loaded, the web page firstly sends a query request to the home agent service, polls several port numbers (for example, 39001-to 39010) appointed in advance, finds out which port request has data returned normally, and then knows the port number monitored by the home agent service, and then the web page caches the port number, and subsequent normal service requests are sent to the home agent service through the port number. The technical means solves the problems that the webpage cannot acquire the specific port number successfully monitored by the local proxy service in real time and whether the specific port number appointed in advance is occupied by other programs or not due to the safety mechanism of the browser.
As shown in fig. 5, the present invention is a process for implementing automatic distribution and version intelligent update of the home agent service.
Step five, when the upper-layer webpage is loaded, firstly sending an HTTPS request for inquiring the version number to a local agent service: if the HTTPS request has no response, the fact that the local agent service is not installed on the computer or the local agent service is abnormal is indicated, the webpage automatically jumps to the local agent service downloading webpage, and a user is prompted to download and install the local agent service, so that the automatic distribution function of the local agent service is completed. If the version number returned by the inquiry version number HTTPS request is smaller than the expected version number, the computer is provided with the old version of local service, the webpage automatically jumps to a download webpage of the local agent service update package, and prompts a user to download and update the local service, thereby completing the intelligent update function of the version of the local agent service.
In conclusion, the invention realizes the proxy service locally, and completes the method for calling the computer external equipment by crossing the browser and the method for enabling the communication protocol between the webpage and the local proxy service to be in the form of HTTPS; the local proxy service registers the root certificate of the SSL communication certificate to a system certificate library and a browser certificate library, thereby realizing a method for accessing the local proxy service in a webpage in a cross-domain manner in the form of HTTPS; the method for monitoring a plurality of (more than one) ports in polling mode in the local proxy service is used for avoiding the abnormal situation that a certain specified port is occupied by other programs; when the local agent service is started, a method and a strategy for automatically detecting and repairing the computer environment are adopted; automatic distribution of local proxy service, version intelligent update strategy.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modifications made on the basis of the technical idea proposed by the present invention fall within the protection scope of the claims of the present invention. The technology not related to the invention can be realized by the prior art.
Claims (8)
1. A method for realizing cross-browser calling of computer external equipment based on local proxy service comprises the following specific steps:
step one, installing a local proxy service on a computer, automatically registering an SSL communication root certificate into a certificate library of an operating system and a browser when the program is installed, and setting the proxy program to be in a starting automatic starting mode;
step two, after the local proxy service is installed, the operation is automatically started;
after completing environment detection and repair, the local proxy service locally starts HTTPS service by using SSL communication certificate signed by the SSL root certificate registered in the first step, monitors a corresponding local port, and waits for processing a related service request sent by a webpage;
designing a multi-port polling mode to ensure that the local proxy service is normally available;
step five, when the upper-layer webpage is loaded, firstly sending an HTTPS request for inquiring the version number to a local agent service: if the HTTPS request has no response, the fact that the local agent service is not installed on the computer or the local agent service is abnormal is indicated, the webpage automatically jumps to the local agent service downloading webpage, and a user is prompted to download and install the local agent service, so that the automatic distribution function of the local agent service is completed; if the version number returned by the inquiry version number HTTPS request is smaller than the expected version number, the computer is provided with the old version of local service, the webpage automatically jumps to a download webpage of the local agent service update package, and prompts a user to download and update the local service, thereby completing the intelligent update function of the version of the local agent service.
2. The method for realizing cross-browser invocation of computer peripheral equipment based on local proxy service as claimed in claim 1, wherein in said step two:
the agent program completes the detection and repair actions on the native environment, including but not limited to the detection and repair of whether concerned ActiveX control, COM component, DLL dynamic library and the like can be normally called or not, and the detection and repair of SSL communication root certificate.
3. The method for realizing cross-browser invocation of computer peripheral device based on local proxy service as claimed in claim 1, wherein in said step four:
appointing a plurality of unusual port numbers in advance, when the local agent service starts the HTTPS service, polling the appointed port numbers in advance, finding out which port is not occupied, and monitoring the port; similarly, when the web page is loaded, the web page firstly sends a query request to the local proxy service, polls several port numbers agreed in advance, finds out which port request has data returned normally, knows the port number monitored by the local proxy service, then the web page caches the port number, and subsequent normal service requests are sent to the local proxy service through the port number.
4. The method for realizing cross-browser invocation of computer peripheral equipment based on local proxy service as claimed in claim 1, wherein:
the local proxy service is installed on the user computer, the proxy service integrates and calls an interface module of the computer external equipment, and the local proxy service program provides HTTPS service for the upper layer by monitoring the local port.
5. The method for realizing cross-browser invocation of computer peripheral equipment based on local proxy service as claimed in claim 1, wherein:
the local proxy service integrates the interface modules of one or more computer external devices, and when the local service is started, the interface modules of all the pre-configured computer external devices are loaded in a silent mode.
6. The method for realizing cross-browser invocation of computer peripheral equipment based on local proxy service as claimed in claim 1, wherein:
after the local agent service program is installed, default setting is set to start the computer, each time the local service is started, the local environment can be automatically detected and repaired, and an interface module of the internally integrated computer external equipment is preloaded and simulated and called; when loading or calling fails, the repair of the interface module is automatically completed.
7. The method for realizing cross-browser invocation of computer peripheral equipment based on local proxy service as claimed in claim 1, wherein:
the functions of automatic distribution and intelligent version updating of the local proxy service are realized by accessing the version number query interface of the local proxy service through a webpage.
8. The method for realizing cross-browser invocation of computer peripheral equipment based on local proxy service as claimed in claim 1, wherein:
when the browser loads a target webpage, the process of sending an HTTPS request for inquiring the version number to the local proxy service is as follows:
if the HTTPS request of the query version number does not respond, the situation that the local proxy service is not installed on the computer or the local proxy service is abnormal is indicated, the webpage automatically jumps to the local proxy service downloading webpage, and a user is prompted to download and install the local proxy service, so that the automatic distribution function of the local proxy service is completed;
if the version number returned by the inquiry version number HTTPS request is smaller than the expected version number, the computer is indicated to be provided with the old version of the local proxy service, the webpage automatically jumps to a download webpage of the local proxy service update package, and prompts a user to download and update the local service, thereby completing the intelligent update function of the version of the local proxy service.
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| CN111309366A (en) * | 2020-02-19 | 2020-06-19 | 北京字节跳动网络技术有限公司 | Method, device, medium and electronic equipment for managing registration core |
| CN111309366B (en) * | 2020-02-19 | 2023-06-30 | 北京字节跳动网络技术有限公司 | Method, device, medium and electronic equipment for managing registration core |
| CN111930445A (en) * | 2020-06-28 | 2020-11-13 | 航天信息股份有限公司 | Calling method for supporting mainstream browser to component |
| CN114422242A (en) * | 2022-01-19 | 2022-04-29 | 闪捷信息科技有限公司 | Abnormal traffic identification method, client and server |
| CN115086393A (en) * | 2022-06-13 | 2022-09-20 | 卫宁健康科技集团股份有限公司 | Interface calling method, device, equipment and storage medium |
| CN117097795A (en) * | 2023-10-19 | 2023-11-21 | 飞天诚信科技股份有限公司 | Android intelligent equipment data communication method and device |
| CN117097795B (en) * | 2023-10-19 | 2024-01-23 | 飞天诚信科技股份有限公司 | Android intelligent equipment data communication method and device |
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