refactor class ApkDecoder (#3106)

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sv99 2023-06-28 13:13:22 +03:00 committed by GitHub
parent 40d427e5bd
commit 85a710f77a
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2 changed files with 129 additions and 141 deletions

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@ -19,24 +19,17 @@ package brut.androlib;
import brut.androlib.exceptions.AndrolibException;
import brut.androlib.exceptions.InFileNotFoundException;
import brut.androlib.exceptions.OutDirExistsException;
import brut.androlib.exceptions.UndefinedResObjectException;
import brut.androlib.meta.MetaInfo;
import brut.androlib.meta.PackageInfo;
import brut.androlib.meta.UsesFramework;
import brut.androlib.meta.VersionInfo;
import brut.androlib.res.AndrolibResources;
import brut.androlib.res.data.ResPackage;
import brut.androlib.res.data.ResTable;
import brut.androlib.res.data.ResUnknownFiles;
import brut.androlib.src.SmaliDecoder;
import brut.directory.Directory;
import brut.directory.ExtFile;
import brut.androlib.res.xml.ResXmlPatcher;
import brut.common.BrutException;
import brut.directory.DirectoryException;
import brut.util.OS;
import com.android.tools.smali.dexlib2.iface.DexFile;
import com.google.common.base.Strings;
import org.apache.commons.io.FilenameUtils;
import java.io.File;
@ -111,7 +104,7 @@ public class ApkDecoder {
if (hasResources()) {
switch (config.decodeResources) {
case Config.DECODE_RESOURCES_NONE:
decodeResourcesRaw(mApkFile, outDir);
copyResourcesRaw(mApkFile, outDir);
if (config.forceDecodeManifest == Config.FORCE_DECODE_MANIFEST_FULL) {
// done after raw decoding of resources because copyToDir overwrites dest files
if (hasManifest()) {
@ -135,7 +128,7 @@ public class ApkDecoder {
decodeManifestFull(mApkFile, outDir, getResTable());
}
else {
decodeManifestRaw(mApkFile, outDir);
copyManifestRaw(mApkFile, outDir);
}
}
}
@ -143,7 +136,7 @@ public class ApkDecoder {
if (hasSources()) {
switch (config.decodeSources) {
case Config.DECODE_SOURCES_NONE:
decodeSourcesRaw(mApkFile, outDir, "classes.dex");
copySourcesRaw(mApkFile, outDir, "classes.dex");
break;
case Config.DECODE_SOURCES_SMALI:
case Config.DECODE_SOURCES_SMALI_ONLY_MAIN_CLASSES:
@ -160,7 +153,7 @@ public class ApkDecoder {
if (! file.equalsIgnoreCase("classes.dex")) {
switch(config.decodeSources) {
case Config.DECODE_SOURCES_NONE:
decodeSourcesRaw(mApkFile, outDir, file);
copySourcesRaw(mApkFile, outDir, file);
break;
case Config.DECODE_SOURCES_SMALI:
decodeSourcesSmali(mApkFile, outDir, file);
@ -169,7 +162,7 @@ public class ApkDecoder {
if (file.startsWith("classes") && file.endsWith(".dex")) {
decodeSourcesSmali(mApkFile, outDir, file);
} else {
decodeSourcesRaw(mApkFile, outDir, file);
copySourcesRaw(mApkFile, outDir, file);
}
break;
}
@ -178,11 +171,11 @@ public class ApkDecoder {
}
}
decodeRawFiles(mApkFile, outDir);
decodeUnknownFiles(mApkFile, outDir);
copyRawFiles(mApkFile, outDir);
copyUnknownFiles(mApkFile, outDir);
mUncompressedFiles = new ArrayList<>();
recordUncompressedFiles(mApkFile, mUncompressedFiles);
writeOriginalFiles(mApkFile, outDir);
copyOriginalFiles(mApkFile, outDir);
writeMetaFile(outDir);
} finally {
try {
@ -250,25 +243,25 @@ public class ApkDecoder {
mAndRes.close();
}
public void writeMetaFile(File outDir)
throws AndrolibException {
private void writeMetaFile(File outDir) throws AndrolibException {
MetaInfo meta = new MetaInfo();
meta.version = ApktoolProperties.getVersion();
meta.apkFileName = mApkFile.getName();
if (mResTable != null) {
meta.isFrameworkApk = mResTable.isFrameworkApk();
putUsesFramework(meta);
putSdkInfo(outDir, meta);
putPackageInfo(meta);
putVersionInfo(outDir, meta);
putSharedLibraryInfo(meta);
putSparseResourcesInfo(meta);
mResTable.initMetaInfo(meta, outDir);
if (config.frameworkTag != null) {
meta.usesFramework.tag = config.frameworkTag;
}
} else {
putMinSdkInfo(meta);
if (mMinSdkVersion > 0) {
meta.sdkInfo = getMinSdkInfo();
}
}
meta.unknownFiles = mResUnknownFiles.getUnknownFiles();
if (mUncompressedFiles != null && !mUncompressedFiles.isEmpty()) {
meta.doNotCompress = mUncompressedFiles;
}
putUnknownInfo(meta);
putFileCompressionInfo(meta);
try {
meta.save(new File(outDir, "apktool.yml"));
@ -277,111 +270,13 @@ public class ApkDecoder {
}
}
private void putUsesFramework(MetaInfo meta) {
Set<ResPackage> pkgs = mResTable.listFramePackages();
if (pkgs.isEmpty()) {
return;
}
Integer[] ids = new Integer[pkgs.size()];
int i = 0;
for (ResPackage pkg : pkgs) {
ids[i++] = pkg.getId();
}
Arrays.sort(ids);
meta.usesFramework = new UsesFramework();
meta.usesFramework.ids = Arrays.asList(ids);
if (config.frameworkTag != null) {
meta.usesFramework.tag = config.frameworkTag;
}
private Map<String, String> getMinSdkInfo() {
Map<String, String> sdkInfo = new LinkedHashMap<>();
sdkInfo.put("minSdkVersion", Integer.toString(mMinSdkVersion));
return sdkInfo;
}
private void putSdkInfo(File outDir, MetaInfo meta) {
Map<String, String> info = mResTable.getSdkInfo();
if (info.size() > 0) {
String refValue;
if (info.get("minSdkVersion") != null) {
refValue = ResXmlPatcher.pullValueFromIntegers(outDir, info.get("minSdkVersion"));
if (refValue != null) {
info.put("minSdkVersion", refValue);
}
}
if (info.get("targetSdkVersion") != null) {
refValue = ResXmlPatcher.pullValueFromIntegers(outDir, info.get("targetSdkVersion"));
if (refValue != null) {
info.put("targetSdkVersion", refValue);
}
}
if (info.get("maxSdkVersion") != null) {
refValue = ResXmlPatcher.pullValueFromIntegers(outDir, info.get("maxSdkVersion"));
if (refValue != null) {
info.put("maxSdkVersion", refValue);
}
}
meta.sdkInfo = info;
}
}
private void putMinSdkInfo(MetaInfo meta) {
if (mMinSdkVersion > 0) {
Map<String, String> sdkInfo = new LinkedHashMap<>();
sdkInfo.put("minSdkVersion", Integer.toString(mMinSdkVersion));
meta.sdkInfo = sdkInfo;
}
}
private void putPackageInfo(MetaInfo meta) throws AndrolibException {
String renamed = mResTable.getPackageRenamed();
String original = mResTable.getPackageOriginal();
int id = mResTable.getPackageId();
try {
id = mResTable.getPackage(renamed).getId();
} catch (UndefinedResObjectException ignored) {}
if (Strings.isNullOrEmpty(original)) {
return;
}
meta.packageInfo = new PackageInfo();
// only put rename-manifest-package into apktool.yml, if the change will be required
if (!renamed.equalsIgnoreCase(original)) {
meta.packageInfo.renameManifestPackage = renamed;
}
meta.packageInfo.forcedPackageId = String.valueOf(id);
}
private void putVersionInfo(File outDir, MetaInfo meta) {
VersionInfo info = mResTable.getVersionInfo();
String refValue = ResXmlPatcher.pullValueFromStrings(outDir, info.versionName);
if (refValue != null) {
info.versionName = refValue;
}
meta.versionInfo = info;
}
private void putSharedLibraryInfo(MetaInfo meta) {
meta.sharedLibrary = mResTable.getSharedLibrary();
}
private void putSparseResourcesInfo(MetaInfo meta) {
meta.sparseResources = mResTable.getSparseResources();
}
private void putUnknownInfo(MetaInfo meta) {
meta.unknownFiles = mResUnknownFiles.getUnknownFiles();
}
private void putFileCompressionInfo(MetaInfo meta) {
if (mUncompressedFiles != null && !mUncompressedFiles.isEmpty()) {
meta.doNotCompress = mUncompressedFiles;
}
}
public void decodeSourcesRaw(ExtFile apkFile, File outDir, String filename)
private void copySourcesRaw(ExtFile apkFile, File outDir, String filename)
throws AndrolibException {
try {
LOGGER.info("Copying raw " + filename + " file...");
@ -391,7 +286,7 @@ public class ApkDecoder {
}
}
public void decodeSourcesSmali(File apkFile, File outDir, String filename)
private void decodeSourcesSmali(File apkFile, File outDir, String filename)
throws AndrolibException {
try {
File smaliDir;
@ -415,7 +310,7 @@ public class ApkDecoder {
}
}
public void decodeManifestRaw(ExtFile apkFile, File outDir)
private void copyManifestRaw(ExtFile apkFile, File outDir)
throws AndrolibException {
try {
LOGGER.info("Copying raw manifest...");
@ -425,12 +320,12 @@ public class ApkDecoder {
}
}
public void decodeManifestFull(ExtFile apkFile, File outDir, ResTable resTable)
private void decodeManifestFull(ExtFile apkFile, File outDir, ResTable resTable)
throws AndrolibException {
mAndRes.decodeManifest(resTable, apkFile, outDir);
}
public void decodeResourcesRaw(ExtFile apkFile, File outDir)
private void copyResourcesRaw(ExtFile apkFile, File outDir)
throws AndrolibException {
try {
LOGGER.info("Copying raw resources...");
@ -440,17 +335,17 @@ public class ApkDecoder {
}
}
public void decodeResourcesFull(ExtFile apkFile, File outDir, ResTable resTable)
private void decodeResourcesFull(ExtFile apkFile, File outDir, ResTable resTable)
throws AndrolibException {
mAndRes.decode(resTable, apkFile, outDir);
}
public void decodeManifestWithResources(ExtFile apkFile, File outDir, ResTable resTable)
private void decodeManifestWithResources(ExtFile apkFile, File outDir, ResTable resTable)
throws AndrolibException {
mAndRes.decodeManifestWithResources(resTable, apkFile, outDir);
}
public void decodeRawFiles(ExtFile apkFile, File outDir)
private void copyRawFiles(ExtFile apkFile, File outDir)
throws AndrolibException {
LOGGER.info("Copying assets and libs...");
try {
@ -484,7 +379,7 @@ public class ApkDecoder {
return false;
}
public void decodeUnknownFiles(ExtFile apkFile, File outDir)
private void copyUnknownFiles(ExtFile apkFile, File outDir)
throws AndrolibException {
LOGGER.info("Copying unknown files...");
File unknownOut = new File(outDir, UNK_DIRNAME);
@ -508,7 +403,7 @@ public class ApkDecoder {
}
}
public void writeOriginalFiles(ExtFile apkFile, File outDir)
private void copyOriginalFiles(ExtFile apkFile, File outDir)
throws AndrolibException {
LOGGER.info("Copying original files...");
File originalDir = new File(outDir, "original");
@ -531,7 +426,7 @@ public class ApkDecoder {
if (in.containsDir("META-INF/services")) {
// If the original APK contains the folder META-INF/services folder
// that is used for service locators (like coroutines on android),
// copy it to the destination folder so it does not get dropped.
// copy it to the destination folder, so it does not get dropped.
LOGGER.info("Copying META-INF/services directory");
in.copyToDir(outDir, "META-INF/services");
}
@ -541,7 +436,7 @@ public class ApkDecoder {
}
}
public void recordUncompressedFiles(ExtFile apkFile, Collection<String> uncompressedFilesOrExts) throws AndrolibException {
private void recordUncompressedFiles(ExtFile apkFile, Collection<String> uncompressedFilesOrExts) throws AndrolibException {
try {
Directory unk = apkFile.getDirectory();
Set<String> files = unk.getFiles(true);

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@ -18,9 +18,16 @@ package brut.androlib.res.data;
import brut.androlib.exceptions.AndrolibException;
import brut.androlib.exceptions.UndefinedResObjectException;
import brut.androlib.meta.MetaInfo;
import brut.androlib.meta.PackageInfo;
import brut.androlib.meta.UsesFramework;
import brut.androlib.meta.VersionInfo;
import brut.androlib.res.AndrolibResources;
import brut.androlib.res.data.value.ResValue;
import brut.androlib.res.xml.ResXmlPatcher;
import com.google.common.base.Strings;
import java.io.File;
import java.util.*;
public class ResTable {
@ -220,4 +227,90 @@ public class ResTable {
}
return false;
}
public void initMetaInfo(MetaInfo meta, File outDir) throws AndrolibException {
meta.isFrameworkApk = isFrameworkApk();
if (!listFramePackages().isEmpty()) {
meta.usesFramework = getUsesFramework();
}
if (!getSdkInfo().isEmpty()) {
initSdkInfo(outDir);
meta.sdkInfo = getSdkInfo();
}
meta.packageInfo = getPackageInfo();
meta.versionInfo = getVersionInfoWithName(outDir);
meta.sharedLibrary = getSharedLibrary();
meta.sparseResources = getSparseResources();
}
private UsesFramework getUsesFramework() {
Set<ResPackage> pkgs = listFramePackages();
Integer[] ids = new Integer[pkgs.size()];
int i = 0;
for (ResPackage pkg : pkgs) {
ids[i++] = pkg.getId();
}
Arrays.sort(ids);
UsesFramework info = new UsesFramework();
info.ids = Arrays.asList(ids);
return info;
}
private void initSdkInfo(File outDir) {
Map<String, String> info = mSdkInfo;
String refValue;
if (info.get("minSdkVersion") != null) {
refValue = ResXmlPatcher.pullValueFromIntegers(outDir, info.get("minSdkVersion"));
if (refValue != null) {
info.put("minSdkVersion", refValue);
}
}
if (info.get("targetSdkVersion") != null) {
refValue = ResXmlPatcher.pullValueFromIntegers(outDir, info.get("targetSdkVersion"));
if (refValue != null) {
info.put("targetSdkVersion", refValue);
}
}
if (info.get("maxSdkVersion") != null) {
refValue = ResXmlPatcher.pullValueFromIntegers(outDir, info.get("maxSdkVersion"));
if (refValue != null) {
info.put("maxSdkVersion", refValue);
}
}
}
private PackageInfo getPackageInfo() throws AndrolibException {
String renamed = getPackageRenamed();
String original = getPackageOriginal();
int id = getPackageId();
try {
id = getPackage(renamed).getId();
} catch (UndefinedResObjectException ignored) {}
if (Strings.isNullOrEmpty(original)) {
return null;
}
PackageInfo info = new PackageInfo();
// only put rename-manifest-package into apktool.yml, if the change will be required
if (!renamed.equalsIgnoreCase(original)) {
info.renameManifestPackage = renamed;
}
info.forcedPackageId = String.valueOf(id);
return info;
}
private VersionInfo getVersionInfoWithName(File outDir) {
VersionInfo info = getVersionInfo();
String refValue = ResXmlPatcher.pullValueFromStrings(outDir, info.versionName);
if (refValue != null) {
info.versionName = refValue;
}
return info;
}
}