CN113312073B - Installation package file processing method and related device - Google Patents
Installation package file processing method and related device Download PDFInfo
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- CN113312073B CN113312073B CN202110662936.0A CN202110662936A CN113312073B CN 113312073 B CN113312073 B CN 113312073B CN 202110662936 A CN202110662936 A CN 202110662936A CN 113312073 B CN113312073 B CN 113312073B
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Abstract
The embodiment of the application discloses a method for processing installation package files, which comprises the following steps: acquiring an information package file corresponding to a target installation package; determining a file abstract corresponding to a file to be updated according to the information packet file; updating the asset directory corresponding to the target installation package according to the file abstract; and packaging the file corresponding to the target installation package based on the updated asset directory to obtain the updated target installation package. The processing equipment can determine the file abstract needing to be updated based on the information package file, and update the asset directory corresponding to the target installation package based on the file abstract, so that the identification in the installation package cannot be influenced by updating the asset directory, the modification difficulty is low, and the efficiency is high.
Description
Technical Field
The present application relates to the field of software technologies, and in particular, to an installation package file processing method and a related apparatus.
Background
In the process of software development, some file contents in the software installation package often need to be modified to achieve the purposes of updating the software and the like. In the related art, modifying the content of the installation package needs to be modified in a META-INF (META-INF) directory, but modifying the META-INF may cause part of identifiers of the installation package to be lost, which results in high operation difficulty and low file modification efficiency.
Disclosure of Invention
In order to solve the technical problem, the application provides an installation package file processing method, processing equipment can determine a file abstract needing to be updated based on an information package file, and update an asset directory corresponding to a target installation package based on the file abstract, the identification in the installation package cannot be influenced by updating the asset directory, the modification difficulty is low, and the efficiency is high.
The embodiment of the application discloses the following technical scheme:
in a first aspect, an embodiment of the present application provides an installation package file processing method, where the method includes:
acquiring an information package file corresponding to a target installation package;
determining a file abstract corresponding to a file to be updated according to the information packet file;
updating the asset directory corresponding to the target installation package according to the file abstract;
and packaging the file corresponding to the target installation package based on the updated asset directory to obtain the updated target installation package.
In a possible implementation manner, the determining a file digest corresponding to a file to be updated according to the information package file includes:
determining an identification file abstract corresponding to a file to be updated according to the information packet file;
determining an operating file abstract corresponding to a file to be updated according to the identification file abstract;
and determining the certificate file abstract corresponding to the file to be updated according to the running file abstract.
In a possible implementation manner, the updating the asset directory corresponding to the target installation package according to the file digest includes:
updating the identification files under the asset directory corresponding to the target installation package according to the identification file abstract;
updating the operating files under the asset directory corresponding to the target installation package according to the operating file abstract;
and updating the certificate file under the asset directory corresponding to the target installation package according to the certificate file abstract.
In one possible implementation, the asset directory is an assets directory.
In a second aspect, an embodiment of the present application provides an installation package file processing apparatus, where the apparatus includes an obtaining unit, a determining unit, an updating unit, and a packaging unit:
the acquisition unit is used for acquiring the information package file corresponding to the target installation package;
the determining unit is used for determining a file abstract corresponding to a file to be updated according to the information package file;
the updating unit is used for updating the asset directory corresponding to the target installation package according to the file abstract;
and the packaging unit is used for packaging the file corresponding to the target installation package based on the updated asset directory to obtain the updated target installation package.
In a possible implementation manner, the file digest includes an identification file digest, a running file digest, and a certificate file digest, and the determining unit is specifically configured to:
determining an identification file abstract corresponding to a file to be updated according to the information packet file;
determining an operating file abstract corresponding to a file to be updated according to the identification file abstract;
and determining the certificate file abstract corresponding to the file to be updated according to the running file abstract.
In a possible implementation manner, the updating unit is specifically configured to:
updating the identification files under the asset directory corresponding to the target installation package according to the identification file abstract;
updating the operating files under the asset directory corresponding to the target installation package according to the operating file abstract;
and updating the certificate file under the asset directory corresponding to the target installation package according to the certificate file abstract.
In one possible implementation, the asset directory is an assets directory.
In a third aspect, an embodiment of the present application provides a computer device, where the device includes a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is used for executing the installation package file processing method of any one of claims 1 to 4 according to instructions in the program code.
In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium for storing a computer program, where the computer program is used to execute the installation package file processing method in any one of claims 1 to 4.
According to the technical scheme, in order to reduce the modification difficulty of the installation package and improve the processing efficiency of the installation package file, the information package file corresponding to the target installation package can be obtained firstly, the file abstract corresponding to the file to be updated is determined according to the information package file, then the asset directory corresponding to the target installation package is updated according to the file abstract, and the identification in the installation package cannot be modified when the asset directory is updated, so that after the file corresponding to the target installation package is repackaged based on the updated asset directory, the modification of the file content of the installation package can be realized under the condition that the identification of the target installation package is not influenced, the identification of the installation package does not need to be corrected, the time for modifying the file of the installation package is reduced, and the file processing efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of an installation package file processing method in an actual application scenario according to an embodiment of the present application;
fig. 2 is a flowchart of an installation package file processing method according to an embodiment of the present application;
fig. 3 is a flowchart of a method for processing an installation package file in an actual application scenario according to an embodiment of the present application;
fig. 4 is a block diagram of a structure of an installation package file processing apparatus according to an embodiment of the present application.
Detailed Description
Embodiments of the present application are described below with reference to the accompanying drawings.
The installation package is a file necessary for software operation, and when debugging the software, relevant contents in the installation package need to be modified correspondingly. In the related art, when the content in the installation package needs to be modified, the META-INF directory in the installation package can be modified, however, modifying the directory affects the identifier in the installation package, the identifier also needs to be adjusted when the signature is re-performed, and the file modification efficiency is poor.
In order to solve the technical problem, the application provides an installation package file processing method, processing equipment can determine a file abstract needing to be updated based on an information package file, and update an asset directory corresponding to a target installation package based on the file abstract, the identification in the installation package cannot be influenced by updating the asset directory, the modification difficulty is low, and the efficiency is high.
It is understood that the method may be applied to a processing device having a file processing function, for example, a terminal device or a server having a file processing function. The method is independently executed by the terminal equipment or the server, can also be applied to a network scene of communication between the terminal equipment and the server, and is operated by the cooperation of the terminal equipment and the server. The terminal device may be a mobile phone, a desktop computer, a Personal Digital Assistant (PDA for short), a tablet computer, or the like. The server may be understood as an application server, or may also be a Web server, and in actual deployment, the server may be an independent physical server, or may be a server cluster or a distributed system formed by multiple physical servers. The terminal and the server may be directly or indirectly connected through wired or wireless communication, and the application is not limited herein.
In order to facilitate understanding of the technical solution provided by the embodiment of the present application, a method for processing an installation package file provided by the embodiment of the present application will be described below in combination with an actual application scenario.
Referring to fig. 1, fig. 1 is a schematic view of a method for processing an installation package file in an actual application scenario provided by the embodiment of the present application, where a processing device is a server 101 in the actual application scenario.
After obtaining the target installation package, the server 101 may first obtain an information package file (META-INF) corresponding to the target installation package, and then determine a file digest corresponding to a file to be updated according to the information package file. In order to complete the processing of the file without modifying the identifier of the installation package, the server 101 may choose to perform the file processing by updating the asset directory of the installation package, which does not affect the identifier information in the installation package.
Based on this, according to the file abstract, the server 101 may update the asset directory corresponding to the target installation package, and then package the file corresponding to the target installation package based on the updated asset directory to obtain the updated target installation package, so that under the condition that the file of the target installation package is modified, the influence on the identification of the installation package is reduced, and the file processing efficiency is improved.
Next, a method for processing an installation package file according to an embodiment of the present application will be described with reference to the drawings.
Referring to fig. 2, fig. 2 is a flowchart of an installation package file processing method provided in an embodiment of the present application, where the method includes:
s201: and acquiring an information package file corresponding to the target installation package.
The target installation package can be any installation package needing to be modified, the information package file refers to a META-INF file, the META-INF is equivalent to an information package, files and directories in the directories obtain approval and interpretation of a Java 2 platform, the files and the directories are used for configuring application programs, extension programs, class loaders and service manifest.
S202: and determining a file abstract corresponding to the file to be updated according to the information packet file.
The file to be updated refers to a file which needs to be updated to the target installation package in the file processing, and the file abstract is used for identifying the file to be updated. After the information package file is obtained, the processing device may determine, based on the information package file, a file digest required to update the file to be updated into the target installation package, so that the updated target installation package can correctly run the file to be updated based on the file digest.
S203: and updating the asset directory corresponding to the target installation package according to the file abstract.
In order to reduce the impact on the identification information in the target installation package, the processing device may update the target installation package by modifying the asset directory of the target installation package. The asset directory is a directory for managing resources in the installation package, and may be an assets directory, for example. The processing device can update the asset directory corresponding to the target installation package according to the file abstract, so that the asset directory carries the related information of the file to be updated.
S204: and packaging the file corresponding to the target installation package based on the updated asset directory to obtain the updated target installation package.
The processing device may repackage the file corresponding to the target installation package based on the updated asset directory, so as to update the file content corresponding to the file to be updated into the updated target installation package.
According to the technical scheme, in order to reduce the modification difficulty of the installation package and improve the processing efficiency of the installation package file, the information package file corresponding to the target installation package can be obtained firstly, the file abstract corresponding to the file to be updated is determined according to the information package file, then the asset directory corresponding to the target installation package is updated according to the file abstract, and the identification in the installation package cannot be modified when the asset directory is updated, so that after the file corresponding to the target installation package is repackaged based on the updated asset directory, the modification of the file content of the installation package can be realized under the condition that the identification of the target installation package is not influenced, the identification of the installation package does not need to be corrected, the time for modifying the file of the installation package is reduced, and the file processing efficiency is improved.
The file digest in the target installation package may include a tag file (cw _ packed.txt) digest, a run file (manual est.mf) digest, and a certificate file (cert.sf) digest, and specifically, when determining a file digest corresponding to a file to be updated according to an information package file, the processing device may determine a tag file digest corresponding to the file to be updated according to the information package file, where the tag file digest is used to identify the file to be updated; then, the processing device may determine, according to the identified file digest, an operating file digest corresponding to the file to be updated, where the operating file digest is used to identify an operating logic corresponding to the file to be updated; according to the operating file digest, the processing device may determine a certificate file digest corresponding to the file to be updated, where the certificate file digest is used to enable the file to be updated to be allowed to operate. Therefore, by including the file summary of the content, the processing device can enable the updated target installation package to successfully run the file to be updated under the condition that the identification of the installation package is not modified.
Specifically, when the asset directory is updated, the processing device may update the identification file in the asset directory corresponding to the target installation package according to the identification file digest, update the operation file in the asset directory corresponding to the target installation package according to the operation file digest, and then update the certificate file in the asset directory corresponding to the target installation package according to the certificate file digest, thereby implementing reasonable update of the asset directory, and enabling the updated asset directory to be successfully used.
In order to facilitate understanding of the technical solution provided by the embodiment of the present application, a method for processing an installation package file provided by the embodiment of the present application will be described below in combination with an actual application scenario.
Referring to fig. 3, fig. 3 is a flowchart of a method for processing an installation package file in an actual application scenario provided in the present application, where a processing device is a server in the actual application scenario, and the method includes:
s301: and decompressing the meta-inf file in the original apk.
Apk refers to an installation package (Android application package, Apk for short). By decompressing the installation package, the corresponding information package file meta-inf can be obtained.
S302: compute the digest of the modified cw _ packed.
S303: mf file summary is recalculated.
S304: the digest in the replacement cert.sf file is recalculated.
S305: the cert.
S306: manifest.mf, cert.sf, cert.rsa were recompressed to apk.
Based on the method for processing the installation package file provided in the foregoing embodiment, an embodiment of the present application further provides an installation package file processing apparatus, referring to fig. 4, fig. 4 is a block diagram of a structure of an installation package file processing apparatus 400 provided in an embodiment of the present application, where the apparatus 400 includes an obtaining unit 401, a determining unit 402, an updating unit 403, and a packing unit 404:
an obtaining unit 401, configured to obtain an information package file corresponding to a target installation package;
a determining unit 402, configured to determine, according to the information package file, a file summary corresponding to a file to be updated;
an updating unit 403, configured to update the asset directory corresponding to the target installation package according to the file abstract;
and a packing unit 404, configured to pack the file corresponding to the target installation package based on the updated asset directory to obtain an updated target installation package.
In a possible implementation manner, the file digest includes an identification file digest, a running file digest, and a certificate file digest, and the determining unit 402 is specifically configured to:
determining an identification file abstract corresponding to a file to be updated according to the information packet file;
determining an operating file abstract corresponding to the file to be updated according to the identification file abstract;
and determining the certificate file abstract corresponding to the file to be updated according to the running file abstract.
In a possible implementation manner, the updating unit 403 is specifically configured to:
updating the identification files under the asset directory corresponding to the target installation package according to the identification file abstract;
updating the operating files under the asset directory corresponding to the target installation package according to the operating file abstract;
and updating the certificate file under the asset directory corresponding to the target installation package according to the certificate file abstract.
In one possible implementation, the asset directory is an assets directory.
In addition, an embodiment of the present application further provides a computer device, where the device includes a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to execute the installation package file processing method according to any one of the above instructions in the program code.
The embodiment of the present application further provides a computer-readable storage medium, configured to store a computer program, where the computer program is configured to execute any implementation manner of the installation package file processing method described in the foregoing embodiments.
Those of ordinary skill in the art will understand that: all or part of the steps of implementing the method embodiments may be implemented by hardware associated with program instructions, where the program may be stored in a computer-readable storage medium, and when executed, performs the steps including the method embodiments; and the aforementioned storage medium may be at least one of the following media: various media that can store program codes, such as read-only memory (ROM), RAM, magnetic disk, or optical disk.
It should be noted that, in this specification, each embodiment is described in a progressive manner, and the same and similar parts between the embodiments are referred to each other, and each embodiment focuses on differences from other embodiments. In particular, for the apparatus and system embodiments, since they are substantially similar to the method embodiments, they are described in a relatively simple manner, and reference may be made to some of the descriptions of the method embodiments for related points. The above-described embodiments of the apparatus and system are merely illustrative, and the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement without inventive effort.
The above description is only one specific embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. An installation package file processing method is characterized by comprising the following steps:
acquiring an information package file corresponding to a target installation package;
determining a file abstract corresponding to a file to be updated according to the information packet file;
updating the asset directory corresponding to the target installation package according to the file abstract;
packaging files corresponding to the target installation package based on the updated asset directory to obtain an updated target installation package;
the file abstract comprises an identification file abstract, an operation file abstract and a certificate file abstract, and the file abstract corresponding to the file to be updated is determined according to the information package file, and the method comprises the following steps:
determining an identification file abstract corresponding to a file to be updated according to the information packet file, wherein the identification file abstract is used for identifying the file to be updated;
determining an operating file abstract corresponding to a file to be updated according to the identification file abstract, wherein the operating file abstract is used for identifying an operating logic corresponding to the file to be updated;
and determining a certificate file abstract corresponding to the file to be updated according to the running file abstract, wherein the certificate file abstract is used for allowing the file to be updated to run.
2. The method according to claim 1, wherein the updating the asset directory corresponding to the target installation package according to the file digest comprises:
updating the identification files under the asset directory corresponding to the target installation package according to the identification file abstract;
updating the operating files under the asset directory corresponding to the target installation package according to the operating file abstract;
and updating the certificate file under the asset directory corresponding to the target installation package according to the certificate file abstract.
3. The method of claim 1, wherein the asset directory is an assets directory.
4. An installation package file processing apparatus, characterized in that the apparatus comprises an acquisition unit, a determination unit, an update unit, and a packaging unit:
the acquisition unit is used for acquiring the information package file corresponding to the target installation package;
the determining unit is used for determining a file abstract corresponding to a file to be updated according to the information package file;
the updating unit is used for updating the asset directory corresponding to the target installation package according to the file abstract;
the packaging unit is used for packaging the file corresponding to the target installation package based on the updated asset directory to obtain an updated target installation package;
the file digest includes an identification file digest, an operation file digest, and a certificate file digest, and the determining unit is specifically configured to:
determining an identification file abstract corresponding to a file to be updated according to the information packet file, wherein the identification file abstract is used for identifying the file to be updated;
determining an operating file abstract corresponding to a file to be updated according to the identification file abstract, wherein the operating file abstract is used for identifying an operating logic corresponding to the file to be updated;
and determining a certificate file abstract corresponding to the file to be updated according to the operating file abstract, wherein the certificate file abstract is used for enabling the file to be updated to be allowed to operate.
5. The apparatus according to claim 4, wherein the updating unit is specifically configured to:
updating the identification files under the asset directory corresponding to the target installation package according to the identification file abstract;
updating the operating files under the asset directory corresponding to the target installation package according to the operating file abstract;
and updating the certificate file under the asset directory corresponding to the target installation package according to the certificate file abstract.
6. The apparatus of claim 4, wherein the asset directory is an assets directory.
7. A computer device, the device comprising a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is used for executing the installation package file processing method of any one of claims 1 to 3 according to the instructions in the program codes.
8. A computer-readable storage medium for storing a computer program for executing the installation package file processing method according to any one of claims 1 to 3.
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