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fix(cli): allow decoding resource-only APKs (#1517)(PR #1530)

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* Process resource-only inputs
* Fix error, add testing
This commit is contained in:
Christian Jones 2022-06-11 10:40:39 -04:00 committed by GitHub
parent 702b88228c
commit 4edb512121
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 35 additions and 2 deletions
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10
jadx-cli/src/main/java/jadx/cli/JadxCLI.java
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@ -66,8 +66,14 @@ public class JadxCLI {
private static boolean checkForErrors(JadxDecompiler jadx) {
if (jadx.getRoot().getClasses().isEmpty()) {
LOG.error("Load failed! No classes for decompile!");
return true;
if (jadx.getArgs().isSkipResources()) {
LOG.error("Load failed! No classes for decompile!");
return true;
}
if (!jadx.getArgs().isSkipSources()) {
LOG.warn("No classes to decompile; decoding resources only");
jadx.getArgs().setSkipSources(true);
}
}
if (jadx.getErrorsCount() > 0) {
LOG.error("Load with errors! Check log for details");

27
jadx-cli/src/test/java/jadx/cli/TestInput.java
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@ -44,6 +44,33 @@ public class TestInput {
decompile("multi", "samples/hello.dex", "samples/HelloWorld.smali");
}
@Test
public void testResourceOnly() throws Exception {
decode("resourceOnly", "samples/resources-only.apk");
}
private void decode(String tmpDirName, String apkSample) throws URISyntaxException, IOException {
List<String> args = new ArrayList<>();
Path tempDir = FileUtils.createTempDir(tmpDirName);
args.add("-v");
args.add("-d");
args.add(tempDir.toAbsolutePath().toString());
URL resource = getClass().getClassLoader().getResource(apkSample);
assertThat(resource).isNotNull();
String sampleFile = resource.toURI().getRawPath();
args.add(sampleFile);
int result = JadxCLI.execute(args.toArray(new String[0]));
assertThat(result).isEqualTo(0);
List<Path> files = Files.find(
tempDir,
3,
(file, attr) -> file.getFileName().toString().equalsIgnoreCase("AndroidManifest.xml"))
.collect(Collectors.toList());
assertThat(files.isEmpty()).isFalse();
}
private void decompile(String tmpDirName, String... inputSamples) throws URISyntaxException, IOException {
List<String> args = new ArrayList<>();
Path tempDir = FileUtils.createTempDir(tmpDirName);

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jadx-cli/src/test/resources/samples/resources-only.apk Normal file
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