adding option to disable the byte array string decoding

Author: nklapste

src/main/java/jadx/plugins/stringdecoder/B64DeobfuscateOptions.java

@@ -5,6 +5,7 @@
 public class B64DeobfuscateOptions extends BasePluginOptionsBuilder {
 
 	private boolean enable;
+	private boolean enableByteArrayStringPass;
 	private int minInputLength;
 	private int minDecodedLength;
 	private int maxCommentLength;
@@ -19,6 +20,10 @@ public void registerOptions() {
 				.description("Enable Base64 string detection and decoding")
 				.defaultValue(true)
 				.setter(v -> enable = v);
+		boolOption(JadxStringDecoderPlugin.PLUGIN_ID + ".enableByteArrayStringPass")
+				.description("Enable byte[] field string detection pass")
+				.defaultValue(true)
+				.setter(v -> enableByteArrayStringPass = v);
 		intOption(JadxStringDecoderPlugin.PLUGIN_ID + ".minInputLength")
 				.description("Minimum length of an encoded string to be considered for decoding")
 				.defaultValue(8)
@@ -53,6 +58,10 @@ public boolean isEnable() {
 		return enable;
 	}
 
+	public boolean isEnableByteArrayStringPass() {
+		return enableByteArrayStringPass;
+	}
+
 	public int getMinInputLength() {
 		return minInputLength;
 	}

src/main/java/jadx/plugins/stringdecoder/JadxStringDecoderPlugin.java

@@ -26,7 +26,9 @@ public void init(JadxPluginContext context) {
 		if (options.isEnable()) {
 			context.addPass(new B64DeobfuscatePass(options));
 			context.addPass(new B64FieldInitPass(options));
-			context.addPass(new ByteArrayStringPass(options));
+			if (options.isEnableByteArrayStringPass()) {
+				context.addPass(new ByteArrayStringPass(options));
+			}
 		}
 	}
 }

src/test/java/jadx/plugins/stringdecoder/JadxStringDecoderPluginTest.java

@@ -228,6 +228,15 @@ public void byteArrayStringTest() throws Exception {
 		assertThat(code).contains("bytes: \"Hello, World!\"");
 	}
 
+	@Test
+	public void byteArrayStringPassDisabledTest() throws Exception {
+		// with enableByteArrayStringPass=false the bytes: comment must not appear
+		String code = decompileSmali("bytes/byte_array_string.smali",
+				Map.of(opt("enableByteArrayStringPass"), "false"));
+		System.out.println(code);
+		assertThat(code).doesNotContain("bytes:");
+	}
+
 	private String decompileSmali(String fileName) throws Exception {
 		return decompileSmali(fileName, Map.of());
 	}