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- Remove apktoolkit dependency; - Use baksmali lib to decode the apk; - Add and config Ivy Apache to download the depedencies; - Implement Smali decoder to decode an APK in smali code; #32
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| <ivy-module version="2.0"> | ||
| <info organisation="org.apache" module="apk-dependency-graph"/> | ||
| <dependencies> | ||
| <!-- https://mvnrepository.com/artifact/org.smali/baksmali --> | ||
| <dependency org="org.smali" name="baksmali" rev="2.2.5"/> | ||
| </dependencies> | ||
| </ivy-module> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,25 +1,35 @@ | ||
| package code; | ||
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| import java.io.File; | ||
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| import code.decode.ApkSmaliDecoderController; | ||
| import code.io.ArgumentReader; | ||
| import code.io.Arguments; | ||
| import code.io.Writer; | ||
| import code.util.FileUtils; | ||
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| import java.io.File; | ||
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| public class Main { | ||
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| public static void main(String[] args) { | ||
| Arguments arguments = new ArgumentReader(args).read(); | ||
| if (arguments == null) { | ||
| return; | ||
| } | ||
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| File resultFile = new File(arguments.getResultPath()); | ||
| SmaliAnalyzer analyzer = new SmaliAnalyzer(arguments); | ||
| if (analyzer.run()) { | ||
| new Writer(resultFile).write(analyzer.getDependencies()); | ||
| System.out.println("Success! Now open index.html in your browser."); | ||
| } | ||
| } | ||
| public static void main(String[] args) { | ||
| Arguments arguments = new ArgumentReader(args).read(); | ||
| if (arguments == null) { | ||
| return; | ||
| } | ||
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| // Delete the output directory for a better decoding result. | ||
| if (FileUtils.deleteDir(arguments.getProjectPath())) { | ||
| System.out.println("The output directory was deleted!"); | ||
| } | ||
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| // Decode the APK file for smali code in the output directory. | ||
| ApkSmaliDecoderController.decode( | ||
| arguments.getApkFilePath(), arguments.getProjectPath()); | ||
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| File resultFile = new File(arguments.getResultPath()); | ||
| SmaliAnalyzer analyzer = new SmaliAnalyzer(arguments); | ||
| if (analyzer.run()) { | ||
| new Writer(resultFile).write(analyzer.getDependencies()); | ||
| System.out.println("Success! Now open index.html in your browser."); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| package code.decode; | ||
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| import code.util.ZipFileUtils; | ||
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| import org.jf.baksmali.Baksmali; | ||
| import org.jf.baksmali.BaksmaliOptions; | ||
| import org.jf.dexlib2.analysis.InlineMethodResolver; | ||
| import org.jf.dexlib2.dexbacked.DexBackedDexFile; | ||
| import org.jf.dexlib2.dexbacked.DexBackedOdexFile; | ||
| import org.jf.dexlib2.DexFileFactory; | ||
| import org.jf.dexlib2.Opcodes; | ||
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| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.util.List; | ||
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| public final class ApkSmaliDecoder { | ||
| private static final int MAXIMUM_NUMBER_OF_PROCESSORS = 6; | ||
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| private static final String WARNING_DISASSEMBLING_ODEX_FILE = | ||
| "Warning: You are disassembling an odex file without deodexing it."; | ||
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| private final String apkFilePath; | ||
| private final String outDirPath; | ||
| private final int apiVersion; | ||
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| ApkSmaliDecoder(String apkFilePath, String outDirPath, int api) { | ||
| this.apkFilePath = apkFilePath; | ||
| this.outDirPath = outDirPath; | ||
| this.apiVersion = api; | ||
| } | ||
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| void decode() throws IOException { | ||
| File apkFile = new File(this.apkFilePath); | ||
| if (!apkFile.exists()) { | ||
| throw new IOException("Apk file not found!"); | ||
| } | ||
| File outDir = new File(this.outDirPath); | ||
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| // Read all dex files in the APK file and so decode each one. | ||
| for (String dexFileName : getDexFiles(this.apkFilePath)) { | ||
| decodeDexFile(apkFile, dexFileName, this.apiVersion, outDir); | ||
| } | ||
| } | ||
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| private void decodeDexFile( | ||
| File apkFile, String dexFileName, int apiVersion, File outDir) | ||
| throws IOException { | ||
| try { | ||
| DexBackedDexFile dexFile = | ||
| loadDexFile(apkFile, dexFileName, apiVersion); | ||
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| Baksmali.disassembleDexFile( | ||
| dexFile, | ||
| outDir, | ||
| getNumerOfAvailableProcessors(), | ||
| getSmaliOptions(dexFile)); | ||
| } catch (Exception ex) { | ||
| throw new IOException(ex); | ||
| } | ||
| } | ||
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| private int getNumerOfAvailableProcessors() { | ||
| int jobs = Runtime.getRuntime().availableProcessors(); | ||
| return jobs > MAXIMUM_NUMBER_OF_PROCESSORS ? | ||
| MAXIMUM_NUMBER_OF_PROCESSORS : jobs; | ||
| } | ||
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| private BaksmaliOptions getSmaliOptions(final DexBackedDexFile dexFile) { | ||
| final BaksmaliOptions options = new BaksmaliOptions(); | ||
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| options.deodex = false; | ||
| options.implicitReferences = false; | ||
| options.parameterRegisters = true; | ||
| options.localsDirective = true; | ||
| options.sequentialLabels = true; | ||
| options.debugInfo = false; | ||
| options.codeOffsets = false; | ||
| options.accessorComments = false; | ||
| options.registerInfo = 0; | ||
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| if (dexFile instanceof DexBackedOdexFile) { | ||
| options.inlineResolver = | ||
| InlineMethodResolver.createInlineMethodResolver( | ||
| ((DexBackedOdexFile)dexFile).getOdexVersion()); | ||
| } else { | ||
| options.inlineResolver = null; | ||
| } | ||
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| return options; | ||
| } | ||
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| private DexBackedDexFile loadDexFile( | ||
| File apkFile, String dexFilePath, int apiVersion) | ||
| throws IOException { | ||
| DexBackedDexFile dexFile = DexFileFactory.loadDexEntry( | ||
| apkFile, dexFilePath, true, Opcodes.forApi(apiVersion)); | ||
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| if (dexFile == null || dexFile.isOdexFile()) { | ||
| throw new IOException(WARNING_DISASSEMBLING_ODEX_FILE); | ||
| } | ||
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| return dexFile; | ||
| } | ||
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| private List<String> getDexFiles(String apkFilePath) throws IOException { | ||
| return ZipFileUtils.filterByContainsName(apkFilePath, "classes"); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| package code.decode; | ||
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| import java.io.IOException; | ||
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| public class ApkSmaliDecoderController { | ||
| private static final int DEFAULT_ANDROID_VERSION = 28; | ||
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| public static void decode( | ||
| final String apkFilePath, final String outDirPath) { | ||
| try { | ||
| new ApkSmaliDecoder( | ||
| apkFilePath, outDirPath, DEFAULT_ANDROID_VERSION).decode(); | ||
| } catch (IOException exception) { | ||
| exception.printStackTrace(); | ||
| } | ||
| } | ||
| } |
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