CN109033822B - External link management method, mobile terminal and computer-readable storage medium - Google Patents
External link management method, mobile terminal and computer-readable storage medium Download PDFInfo
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- CN109033822B CN109033822B CN201810693276.0A CN201810693276A CN109033822B CN 109033822 B CN109033822 B CN 109033822B CN 201810693276 A CN201810693276 A CN 201810693276A CN 109033822 B CN109033822 B CN 109033822B
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- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/52—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow
- G06F21/53—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow by executing in a restricted environment, e.g. sandbox or secure virtual machine
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Abstract
The invention discloses an external link management method, a mobile terminal and a computer readable storage medium, and belongs to the technical field of communication. The method comprises the following steps: when detecting that the external link is selected in the chat interface, displaying preset options, wherein the preset options comprise preview options; when the preview option is selected, forming a preview screenshot of the external link according to a target page guided by the external link and displaying the preview screenshot; and detecting user operation in real time, and when detecting that the external link is clicked, displaying a first page according to the preview screenshot, wherein the first page is a page guided by the external link or a preset page. Therefore, the user can know whether the external link is safe or not through the screenshot by providing the screenshot previewing function for the external link, and when the user clicks the external link, the user can decide whether to open the external link or directly redirect the external link to a preset safe page according to the previewing screenshot, so that attacks caused by opening the unsafe external link are avoided, and the safety is improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an external link management method, a mobile terminal, and a computer-readable storage medium.
Background
At present, with the popularity of instant chat software, information sharing is more and more convenient. However, when sharing information, because the shared information is not screened and checked for security, there is a great potential safety hazard, and especially when the shared information is an external link, the security of the shared information cannot be guaranteed after the external link is clicked, and an attack may be brought.
Disclosure of Invention
The invention mainly aims to provide an automatic desktop switching method, a mobile terminal and a computer readable storage medium, and aims to solve the problem that security detection cannot be performed on external links shared in instant chat in the prior art.
In order to achieve the above object, the present invention provides an external link management method, including the steps of:
when detecting that the external link is selected on the chat interface, displaying preset options, wherein the preset options comprise preview options;
when the preview option is selected, forming a preview screenshot of the external link according to a target page guided by the external link and displaying the preview screenshot;
and detecting user operation in real time, and displaying a first page according to the preview screenshot when the external link is detected to be clicked, wherein the first page is a page guided by the external link or a preset page.
Optionally, when the preview option is selected, forming a preview screenshot of the external link according to a target page guided by the external link and displaying the preview screenshot includes:
detecting security of the external link when the preview option is selected;
if the external link is safe, performing page screenshot on the target page, and taking the page screenshot as the preview screenshot;
if the external link is unsafe, generating safety prompt information and converting the safety prompt information into a safety prompt picture, and taking the safety prompt picture as the preview screenshot;
and displaying the preview screenshot on a current chat interface.
Optionally, the detecting security of the external link includes:
putting the external link into a preset sandbox for safe operation;
if no malicious behavior is detected in the process of opening the external link in the preset sandbox, the external link is judged to be safe;
and if a malicious behavior is detected in the process of opening the external link in the preset sandbox, judging that the external link is unsafe.
Optionally, the screenshot of the target page guided by the external link, and taking the screenshot as the preview screenshot includes:
opening the external link in the preset sandbox to obtain a target page guided by the external link;
and performing page screenshot on the target page guided by the external link to obtain the preview screenshot.
Optionally, when it is detected that the external link is clicked, displaying a first page according to the preview screenshot includes:
when the external link is detected to be clicked, analyzing the preview screenshot;
when the preview screenshot is a page screenshot of the target page, displaying the target page;
and when the preview screenshot is the safety prompt picture, displaying a preset page.
Optionally, the preset options further include a forwarding option, and the method further includes:
when the forwarding option is selected, judging whether a preview screenshot of the external link exists;
if yes, determining whether the external link is the content allowed to be forwarded according to the preview screenshot;
and if not, determining whether the external link is allowed to forward the content according to the security of the external link.
Optionally, the determining whether the external link is allowed to forward the content according to the preview screenshot includes:
if the preview screenshot is the page screenshot, marking the external link as forwarding and forwarding the external link;
and if the preview screenshot is the safety prompt picture, marking the external link as unrevessable and displaying safety alarm information.
Optionally, the determining whether the external link is allowed to forward the content according to the security of the external link includes:
if the external link is safe, marking the external link as forwarding and forwarding the external link;
and if the external link is unsafe, marking the external link as unrepeatable and displaying safety alarm information.
In addition, to achieve the above object, the present invention further provides a mobile terminal, which includes a memory, a processor and an external link management program stored in the memory and executable on the processor, wherein the processor executes the external link management program to implement the external link management method as described above.
Further, to achieve the above object, the present invention also proposes a computer-readable storage medium storing an external link management program executable by at least one processor to cause the at least one processor to execute the external link management method as described above.
According to the external link management method, the mobile terminal and the computer readable storage medium, when the external link is detected to be selected on the chat interface, a preset option is displayed, wherein the preset option comprises a preview option; when the preview option is selected, forming a preview screenshot of the external link according to a target page guided by the external link and displaying the preview screenshot; and detecting user operation in real time, and displaying a first page according to the preview screenshot when the external link is detected to be clicked, wherein the first page is a page guided by the external link or a preset page. Therefore, the user can know whether the external link is safe or not through the screenshot by providing the screenshot previewing function for the external link, and when the user clicks the external link, the user can decide whether to open the external link or directly redirect the external link to a preset safe page according to the previewing screenshot, so that attacks caused by opening the unsafe external link are avoided, and the safety is improved.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of an alternative mobile terminal for implementing various embodiments of the present invention;
FIG. 2 is a schematic diagram of a communication network system of the mobile terminal shown in FIG. 1;
FIG. 3 is a flowchart illustrating a first embodiment of an external link management method according to the present invention;
FIG. 4 is a detailed flowchart of step S302 in FIG. 3;
FIG. 5 is a flowchart illustrating a detailed process of the step of FIG. 4 for detecting the security of the external link;
FIG. 6 is a schematic view of another detailed flow chart of step S402 in FIG. 4;
FIG. 7 is a diagram of a chat interface of the instant chat application of the mobile terminal according to the present invention;
FIG. 8 is another diagram of a chat interface of the instant chat application of the mobile terminal according to the present invention;
FIG. 9 is another diagram of a chat interface of the instant chat application of the mobile terminal according to the present invention
FIG. 10 is a functional block diagram of a first embodiment of an external link manager according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The client in the present invention is installed on a terminal, and the terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.
The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).
WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.
The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.
In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.
Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.
Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.
The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.
The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and Charging Rules Function) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
The IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem), or other IP services, among others.
Although the LTE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE system, but may also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.
Based on the above mobile terminal hardware structure and communication network system, the present invention provides various embodiments of the method.
First, the present invention provides an external link management method.
Referring to fig. 3, a flowchart of a first embodiment of an external link management method according to the present invention is shown, and is mainly used in the mobile terminal. In this embodiment, the method includes:
step S301, when detecting that an external link is selected on a chat interface, displaying preset options, wherein the preset options comprise preview options;
specifically, when the chat system is in an instant chat interface, the security of the external link sent by the chat object cannot be guaranteed generally, and therefore, in this embodiment, for the external link, a preview option may be added to the preset options to provide a preview function. The specific option items of the preset options can be set according to actual needs, and generally include forwarding, collecting, previewing or more (more options can be displayed by selecting), and the like. Preset options may be displayed when an external link or other chat message is selected.
Step S302, when the preview option is selected, a preview screenshot of the external link is formed according to a target page guided by the external link, and the preview screenshot is displayed;
specifically, after the preset options are displayed on the chat interface, the user can select any option. The mobile terminal detects the operation of a user in real time, when the preview option is detected to be selected, a target page guided by the mobile terminal is determined according to an external link, for example, a homepage of a certain website, then a page screenshot is carried out on the target page, and the page screenshot can be used as a preview screenshot corresponding to the external link. It will be appreciated that if the target page to which the external link leads is an unsafe page or if the external link is potentially at risk, the preview screenshot may be other preset pictures, for example, a preset safety warning picture containing safety warning information or a safety warning picture generated in real time according to an unsafe type.
Further, please refer to fig. 4, which shows a detailed flowchart of step S302, in this embodiment, step S302 includes:
step S401, when the preview option is selected, detecting the security of the external link; if it is safe, go to step S402; otherwise, go to step S403;
step S402, performing page screenshot on the target page, and taking the page screenshot as the preview screenshot;
step S403, generating safety prompt information, converting the safety prompt information into a safety prompt picture, and taking the safety prompt picture as the preview screenshot;
and step S404, displaying the preview screenshot on the current chat interface.
Specifically, when it is determined that the external link needs to be previewed, the security of the external link needs to be confirmed, and if the link is detected to be secure, a page screenshot can be performed on a target page guided by the external link, and the page screenshot is displayed as a preview screenshot. On the contrary, if the external link is detected to be unsafe, the target page does not need to be subjected to screenshot at this time, but the safety prompt information can be generated according to the detection result, the safety prompt information is displayed in a picture form after being converted, namely the safety prompt information is displayed as a preview screenshot after being converted into the safety prompt picture, for example, the preview screenshot can be a picture containing characters that the external link is dangerous, and the picture can also be provided with some warning symbols, such as yellow exclamation marks and the like. Therefore, whether the external link is safe or not can be seen on the current chat interface as long as the user selects the preview option, if the external link is safe, the user can browse the content of the external knowledge-oriented target page in advance by looking at the preview screenshot, and if the external link is unsafe, the user can know the safe alarm through the preview screenshot and confirm that the link is unsafe, so that clicking is avoided.
Fig. 7 and 8 are different schematic diagrams of a chat interface in the present invention, in the chat interface, an external link is in a certain chat information box, and when the user selects the information box, that is, the external link is selected, as shown in fig. 7, the mobile terminal displays preset options as shown in the figure, including forwarding, favorite, delete, preview and more. When the user selects the preview option as shown in fig. 8, which indicates that the user wants to preview the target page of the external link guide, the mobile terminal forms a preview screenshot according to the security of the external link and displays the preview screenshot on the current chat interface (not shown in the figure).
It can be understood that, after the external link is previewed, the preview screenshot of the external link may be stored locally in the mobile terminal, so that the mobile terminal may directly display the preview screenshot obtained from the local when the user needs to preview next time.
Further, please refer to fig. 5 at the same time, which is a detailed flowchart illustrating the step S401 of detecting the security of the external link, in this embodiment, the detecting the security of the external link includes:
step S501, the external link is put into a preset sandbox for safe operation;
step S502, judging whether a malicious behavior is detected in the process of opening the external link in the preset sandbox; if yes, the process proceeds to step S503, otherwise, the process proceeds to step S504;
step S503, judging the external link is safe;
step S504, judge the said external link is unsafe.
In particular, the sandbox technology is mainly used for providing a test environment for some programs which are not trusted, have destructive power or cannot determine the intention of the program, and all changes in the sandbox cannot cause any loss to an operating system. The essence of the method is that the files generated and modified by the application program are directed to the folder of the application program through a redirection technology, namely, a file system directory (or folder) is created for the application program, the independent, closed and safe space is called a sandbox, and the activity range of the application program is limited in the sandbox of the application program. However, in this embodiment, a storage space may be reserved as a preset sandbox, when an external link needs to be previewed, the external link is placed in the preset sandbox and opened, if a target page can be smoothly guided in the opening process, and malicious behaviors such as an attack behavior are not found in the process, it is determined that the external link is safe, and if a malicious behavior such as an error or other attack behavior occurs in the opening process, it is determined that the external link is unsafe.
Further, please refer to fig. 6 at the same time, which shows a detailed flowchart of step S402, in this embodiment, step S402 includes:
step S601, opening the external link in the preset sandbox to obtain a target page guided by the external link;
step S602, performing a page screenshot on the target page guided by the external link to obtain the preview screenshot.
Specifically, in the process of detecting the external link, the external link is opened in a preset sandbox, and if the external link is safe, a target page guided by the external link is guided, so that the content on the target page can be acquired, the acquisition mode can be performed through a page screenshot, and the page screenshot result is used as a preview screenshot.
Step S303, detecting user operation in real time, and when detecting that the external link is clicked, displaying a first page according to the preview screenshot, wherein the first page is a page guided by the external link or a preset page.
Specifically, after the preview is finished, the user operation is continuously detected in real time, and if the external link is detected to be clicked, whether the external link is directly opened or not is determined according to the preview screenshot. If the external link is secure, it can be opened directly, otherwise, it is not opened but replaced by a preset page. The links to the external links may then be determined by previewing the contents of the screenshot.
Further, in this embodiment, the displaying a first page according to the preview screenshot when it is detected that the external link is clicked includes:
when the external link is detected to be clicked, analyzing the preview screenshot;
when the preview screenshot is a page screenshot of the target page, displaying the target page;
and when the preview screenshot is the safety prompt picture, displaying a preset page.
Specifically, each time it is detected that the user clicks the external link, whether a preview screenshot of the external link exists locally or not can be searched, if so, the preview screenshot can be analyzed, if the preview screenshot is a screenshot of a web page, the preview screenshot is a screenshot of a target page, that is, the page is completely described, and at this time, the external link can be directly opened to display the target page. If the preview screenshot is a safety prompt picture containing safety prompt information, the external link is unsafe, and at the moment, the mobile terminal can directly display a preset page, for example, a preset webpage or a safety prompt page, without opening the result of external link guidance, so that the situation that the user unintentionally opens the unsafe external link is avoided.
Further, in this embodiment, the method further includes:
when the forwarding option is selected, judging whether a preview screenshot of the external link exists;
if yes, determining whether the external link is the content allowed to be forwarded according to the preview screenshot;
and if not, determining whether the external link is allowed to forward the content or not according to the security of the external link.
Specifically, the preset options may further include a forwarding option, that is, a selected external link is forwarded, in order to avoid propagation of an unsafe external link, forwarding of the external link may be limited according to security of the external link, and if the external link is a safe external link, forwarding may be performed, and if the external link is an unsafe external link, forwarding may be limited. When the forwarding option is detected, searching whether a preview screenshot of the external link exists in the mobile terminal, if so, indicating that the preview has been performed before, detecting the security of the external link, and determining the security of the external link according to the content of the preview screenshot. If the link does not exist, the preview is not performed, and at the moment, the security of the external link is directly detected, and whether the external link is forwarded or not is determined according to the security of the external link.
Further, in this embodiment, the determining whether the external link is allowed to forward the content according to the preview screenshot includes:
if the preview screenshot is the page screenshot, marking the external link as forwarding and forwarding the external link;
and if the preview screenshot is the safety prompt picture, marking the external link as unrevessable and displaying safety alarm information.
Specifically, the preview screenshot can be a webpage screenshot of a webpage or a safety prompt picture according to different safety of the external link, so that whether the external link can be forwarded or not can be determined by analyzing the preview screenshot. If the screenshot of the page is a safety prompting picture, the external link is marked as non-forwardable, and safety warning information is displayed to warn a user that the link cannot be forwarded.
Further, in this embodiment, the determining whether the external link is allowed to forward the content according to the security of the external link includes:
if the external link is safe, marking the external link as forwarding and forwarding the external link;
and if the external link is unsafe, marking the external link as unrepeatable and displaying safety alarm information.
Specifically, if the preview screenshot does not exist, whether the external link can be forwarded is determined directly by judging whether the external link is safe. The security of the external link can still be detected by opening it in a preset sandbox, and if it is secure, the external link is marked as forwardable, while it is forwarded. If not, the external link is marked as non-forwardable, and a security alarm message is displayed to alert the user that the link cannot be forwarded.
It can be understood that the external link is marked, so that when forwarding is performed again, whether forwarding is performed or not can be determined directly by inquiring whether the external link has the mark or not. If the mark exists, the mark is directly processed.
Fig. 9 is a different schematic diagram of a chat interface in the present invention, in the chat interface, an external link is in a certain chat information box, and when the user selects a preview option as shown in fig. 9, it indicates that the user wants to forward the external link, at this time, the mobile terminal determines whether the external link can be forwarded according to external link guiding security, and marks the external link at the same time, so as to determine whether to forward the external link directly according to the mark when forwarding the external link again next time.
In the external link management method of the embodiment, when it is detected that the external link is selected on the chat interface, a preset option is displayed, wherein the preset option includes a preview option; when the preview option is selected, forming a preview screenshot of the external link according to a target page guided by the external link and displaying the preview screenshot; and detecting user operation in real time, and displaying a first page according to the preview screenshot when the external link is detected to be clicked, wherein the first page is a page guided by the external link or a preset page. Therefore, the user can know whether the external link is safe or not through the screenshot by providing the screenshot previewing function for the external link, and when the user clicks the external link, the user can decide whether to open the external link or directly redirect the external link to a preset safe page according to the previewing screenshot, so that attacks caused by opening the unsafe external link are avoided, and the safety is improved.
In addition, the present invention provides an external link management program.
Fig. 10 is a functional block diagram of the external link management program 10 according to the first embodiment of the present invention. In this embodiment, the external link management program 10 may be divided into one or more modules, and the one or more modules are stored in the memory of the mobile terminal and executed by one or more processors to implement the present invention. For example, in fig. 10, the external link management program 10 can be divided into a command detection module 11, a preview generation module 12 and a link opening module 13. The module referred to in the invention refers to a series of readable computer program instruction segments which can complete specific functions, and is more suitable for describing the execution process of software in the intelligent bracelet than a computer program. The specific functions of the above-described functional modules 13 to 15 will be described in detail below. Wherein:
the chat system comprises a command detection module 11, a preview module and a display module, wherein the command detection module is used for displaying preset options when detecting that an external link is selected on a chat interface, and the preset options comprise preview options;
specifically, when the chat system is in an instant chat interface, the security of the external link sent by the chat object cannot be guaranteed generally, and therefore, in this embodiment, for the external link, a preview option may be added to the preset options to provide a preview function. The specific option items of the preset options can be set according to actual needs, and generally include forwarding, collecting, previewing or more (more options can be displayed by selecting), and the like. Preset options may be displayed when an external link or other chat message is selected.
A preview generating module 12, configured to form a preview screenshot of the external link according to a target page guided by the external link and display the preview screenshot when the preview option is selected;
specifically, after the preset options are displayed on the chat interface, the user can select any option. The mobile terminal detects the operation of a user in real time, when the preview option is detected to be selected, a target page guided by the mobile terminal is determined according to an external link, for example, a homepage of a certain website, then a page screenshot is carried out on the target page, and the page screenshot can be used as a preview screenshot corresponding to the external link. It will be appreciated that if the target page to which the external link leads is an unsafe page or if the external link is potentially at risk, the preview screenshot may be other preset pictures, for example, a preset safety warning picture containing safety warning information or a safety warning picture generated in real time according to an unsafe type.
Further, in this embodiment, the preview generating module 12 includes:
the security detection unit is used for detecting the security of the external link when the preview option is selected;
the page screenshot unit is used for performing page screenshot on the target page when the external link is safe, and taking the page screenshot as the preview screenshot;
the picture generating unit is used for generating safety prompting information and converting the safety prompting information into a safety prompting picture when the external link is unsafe, and taking the safety prompting picture as the preview screenshot;
and the preview display unit is used for displaying the preview screenshot on the current chat interface.
Specifically, when it is determined that the external link needs to be previewed, the security of the external link needs to be confirmed, and if the link is detected to be secure, a page screenshot can be performed on a target page guided by the external link, and the page screenshot is displayed as a preview screenshot. On the contrary, if the external link is detected to be unsafe, the target page does not need to be subjected to screenshot at this time, but the safety prompt information can be generated according to the detection result, the safety prompt information is displayed in a picture form after being converted, namely the safety prompt information is displayed as a preview screenshot after being converted into the safety prompt picture, for example, the preview screenshot can be a picture containing characters that the external link is dangerous, and the picture can also be provided with some warning symbols, such as yellow exclamation marks and the like. Therefore, whether the external link is safe or not can be seen on the current chat interface as long as the user selects the preview option, if the external link is safe, the user can browse the content of the external knowledge-oriented target page in advance by looking at the preview screenshot, and if the external link is unsafe, the user can know the safe alarm through the preview screenshot and confirm that the link is unsafe, so that clicking is avoided.
Fig. 7 and 8 are different schematic diagrams of a chat interface in the present invention, in the chat interface, an external link is in a certain chat information box, and when the user selects the information box, that is, the external link is selected, as shown in fig. 7, the mobile terminal displays preset options as shown in the figure, including forwarding, favorite, delete, preview and more. When the user selects the preview option as shown in fig. 8, which indicates that the user wants to preview the target page of the external link guide, the mobile terminal forms a preview screenshot according to the security of the external link and displays the preview screenshot on the current chat interface (not shown in the figure).
It can be understood that, after the external link is previewed, the preview screenshot of the external link may be stored locally in the mobile terminal, so that the mobile terminal may directly display the preview screenshot obtained from the local when the user needs to preview next time.
Further, in this embodiment, the safety detection unit includes:
the sandbox isolation subunit is used for putting the external link into a preset sandbox for safe operation;
the malicious judgment subunit is used for judging whether malicious behaviors are detected in the process of opening the external link in the preset sandbox; if yes, the external link is judged to be safe; if not, the external link is judged to be unsafe.
In particular, the sandbox technology is mainly used for providing a test environment for some programs which are not trusted, have destructive power or cannot determine the intention of the program, and all changes in the sandbox cannot cause any loss to an operating system. The essence of the method is that the files generated and modified by the application program are directed to the folder of the application program through a redirection technology, namely, a file system directory (or folder) is created for the application program, the independent, closed and safe space is called a sandbox, and the activity range of the application program is limited in the sandbox of the application program. However, in this embodiment, a storage space may be reserved as a preset sandbox, when an external link needs to be previewed, the external link is placed in the preset sandbox and opened, if a target page can be smoothly guided in the opening process, and malicious behaviors such as an attack behavior are not found in the process, it is determined that the external link is safe, and if a malicious behavior such as an error or other attack behavior occurs in the opening process, it is determined that the external link is unsafe.
Further, in this embodiment, the page screenshot unit includes:
the sandbox operation unit is used for opening the external link in the preset sandbox to acquire a target page guided by the external link;
and the sandbox screenshot unit is used for performing page screenshot on the target page guided by the external link to obtain the preview screenshot.
Specifically, in the process of detecting the external link, the external link is opened in a preset sandbox, and if the external link is safe, a target page guided by the external link is guided, so that the content on the target page can be acquired, the acquisition mode can be performed through a page screenshot, and the page screenshot result is used as a preview screenshot.
And the link starting module 13 is configured to detect a user operation in real time, and when it is detected that the external link is clicked, display a first page according to the preview screenshot, where the first page is a page guided by the external link or a preset page.
Specifically, after the preview is finished, the user operation is continuously detected in real time, and if the external link is detected to be clicked, whether the external link is directly opened or not is determined according to the preview screenshot. If the external link is secure, it can be opened directly, otherwise, it is not opened but replaced by a preset page. The links to the external links may then be determined by previewing the contents of the screenshot.
Further, in this embodiment, when detecting that the external link is clicked, the link opening module 13 displays a first page according to the preview screenshot, including:
when the external link is detected to be clicked, analyzing the preview screenshot;
when the preview screenshot is a page screenshot of the target page, displaying the target page;
and when the preview screenshot is the safety prompt picture, displaying a preset page.
Specifically, each time it is detected that the user clicks the external link, whether a preview screenshot of the external link exists locally or not can be searched, if so, the preview screenshot can be analyzed, if the preview screenshot is a screenshot of a web page, the preview screenshot is a screenshot of a target page, that is, the page is completely described, and at this time, the external link can be directly opened to display the target page. If the preview screenshot is a safety prompt picture containing safety prompt information, the external link is unsafe, and at the moment, the mobile terminal can directly display a preset page, for example, a preset webpage or a safety prompt page, without opening the result of external link guidance, so that the situation that the user unintentionally opens the unsafe external link is avoided.
Further, in this embodiment, the external link management program 10 further includes:
the screenshot searching module is used for judging whether a preview screenshot of the external link exists or not when the forwarding option is selected;
the forwarding judgment module is used for determining whether the external link is the content allowed to be forwarded according to the preview screenshot when the preview screenshot of the external link exists; and
and when the preview screenshot of the external link does not exist, determining whether the external link is allowed to forward the content or not according to the security of the external link.
Specifically, the preset options may further include a forwarding option, that is, a selected external link is forwarded, in order to avoid propagation of an unsafe external link, forwarding of the external link may be limited according to security of the external link, and if the external link is a safe external link, forwarding may be performed, and if the external link is an unsafe external link, forwarding may be limited. When the forwarding option is detected, searching whether a preview screenshot of the external link exists in the mobile terminal, if so, indicating that the preview has been performed before, detecting the security of the external link, and determining the security of the external link according to the content of the preview screenshot. If the link does not exist, the preview is not performed, and at the moment, the security of the external link is directly detected, and whether the external link is forwarded or not is determined according to the security of the external link.
Further, in this embodiment, the determining, by the forwarding determination module, whether the external link is a content that is allowed to be forwarded according to the preview screenshot includes:
if the preview screenshot is the page screenshot, marking the external link as forwarding and forwarding the external link;
and if the preview screenshot is the safety prompt picture, marking the external link as unrevessable and displaying safety alarm information.
Specifically, the preview screenshot can be a webpage screenshot of a webpage or a safety prompt picture according to different safety of the external link, so that whether the external link can be forwarded or not can be determined by analyzing the preview screenshot. If the screenshot of the page is a safety prompting picture, the external link is marked as non-forwardable, and safety warning information is displayed to warn a user that the link cannot be forwarded.
Further, in this embodiment, the determining, by the forwarding determination module, whether the external link is allowed to forward the content according to the security of the external link includes:
if the external link is safe, marking the external link as forwarding and forwarding the external link;
and if the external link is unsafe, marking the external link as unrepeatable and displaying safety alarm information.
Specifically, if the preview screenshot does not exist, whether the external link can be forwarded is determined directly by judging whether the external link is safe. The security of the external link can still be detected by opening it in a preset sandbox, and if it is secure, the external link is marked as forwardable, while it is forwarded. If not, the external link is marked as non-forwardable, and a security alarm message is displayed to alert the user that the link cannot be forwarded.
It can be understood that the external link is marked, so that when forwarding is performed again, whether forwarding is performed or not can be determined directly by inquiring whether the external link has the mark or not. If the mark exists, the mark is directly processed.
Fig. 9 is a different schematic diagram of a chat interface in the present invention, in the chat interface, an external link is in a certain chat information box, and when the user selects a preview option as shown in fig. 9, it indicates that the user wants to forward the external link, at this time, the mobile terminal determines whether the external link can be forwarded according to external link guiding security, and marks the external link at the same time, so as to determine whether to forward the external link directly according to the mark when forwarding the external link again next time.
By executing the external link management program of the embodiment, when detecting that the external link is selected on the chat interface, displaying preset options, wherein the preset options comprise preview options; when the preview option is selected, forming a preview screenshot of the external link according to a target page guided by the external link and displaying the preview screenshot; and detecting user operation in real time, and displaying a first page according to the preview screenshot when the external link is detected to be clicked, wherein the first page is a page guided by the external link or a preset page. Therefore, the user can know whether the external link is safe or not through the screenshot by providing the screenshot previewing function for the external link, and when the user clicks the external link, the user can decide whether to open the external link or directly redirect the external link to a preset safe page according to the previewing screenshot, so that attacks caused by opening the unsafe external link are avoided, and the safety is improved.
The present invention further provides a mobile terminal comprising a memory, a processor and an external link management program stored on the memory and operable on the processor, the processor executing the external link management method described above by the external link management program.
The present invention further provides a computer-readable storage medium having stored thereon the above-described external link management program which, when executed by a processor, implements the external link management method as described above.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. An external link management method, characterized in that the method comprises the steps of:
when detecting that the external link is selected on the chat interface, displaying preset options, wherein the preset options comprise preview options;
when the preview option is selected, forming a preview screenshot of the external link according to a target page guided by the external link and displaying the preview screenshot;
detecting user operation in real time, and when detecting that the external link is clicked, displaying a first page according to the preview screenshot, wherein the first page is a page guided by the external link or a preset page;
when the preview option is selected, forming a preview screenshot of the external link according to a target page guided by the external link and displaying the preview screenshot comprises:
detecting security of the external link when the preview option is selected;
if the external link is safe, performing page screenshot on the target page, and taking the page screenshot as the preview screenshot;
if the external link is unsafe, generating safety prompt information and converting the safety prompt information into a safety prompt picture, and taking the safety prompt picture as the preview screenshot;
displaying the preview screenshot on a current chat interface;
wherein the screenshot of the target page guided by the external link is taken as the preview screenshot, and the step of taking the screenshot as the preview screenshot comprises the following steps:
opening the external link in a preset sandbox to obtain a target page guided by the external link;
and performing page screenshot on the target page guided by the external link to obtain the preview screenshot.
2. The external link management method according to claim 1, wherein the detecting security of the external link comprises:
putting the external link into a preset sandbox for safe operation;
if no malicious behavior is detected in the process of opening the external link in the preset sandbox, the external link is judged to be safe;
and if a malicious behavior is detected in the process of opening the external link in the preset sandbox, judging that the external link is unsafe.
3. The method for managing external links according to claim 1, wherein the displaying a first page according to the preview screen shot when detecting that the external link is clicked comprises:
when the external link is detected to be clicked, analyzing the preview screenshot;
when the preview screenshot is a page screenshot of the target page, displaying the target page;
and when the preview screenshot is the safety prompt picture, displaying a preset page.
4. The external link management method according to claim 1, wherein the preset options further include a forwarding option, the method further comprising:
when the forwarding option is selected, judging whether a preview screenshot of the external link exists;
if yes, determining whether the external link is the content allowed to be forwarded according to the preview screenshot;
and if not, determining whether the external link is allowed to forward the content according to the security of the external link.
5. The method of claim 4, wherein said determining whether the external link is allowed to forward content based on the preview screen shot comprises:
if the preview screenshot is the page screenshot, marking the external link as forwarding and forwarding the external link;
and if the preview screenshot is the safety prompt picture, marking the external link as unrevessable and displaying safety alarm information.
6. The method according to claim 4, wherein said determining whether the external link is allowed to forward the content according to the security of the external link comprises:
if the external link is safe, marking the external link as forwarding and forwarding the external link;
and if the external link is unsafe, marking the external link as unrepeatable and displaying safety alarm information.
7. A mobile terminal, characterized in that the mobile terminal comprises a memory, a processor and an external link management program stored on the memory and executable on the processor, the processor executing the external link management program to implement the external link management method according to any one of claims 1 to 6.
8. A computer-readable storage medium storing an external link management program executable by at least one processor to cause the at least one processor to perform the external link management method according to any one of claims 1-6.
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