From 0fac05f134c1940a5f39b6d63a9f180266f653d6 Mon Sep 17 00:00:00 2001
From: naijun0403 <naijun0403@gmail.com>
Date: Wed, 21 May 2025 18:23:43 +0900
Subject: [PATCH] feat(kakaotalk): add patch and fingerprint to force enable
 debug mode

---
 patches/api/patches.api                       |  4 +++
 .../misc/ForceEnableDebugModePatch.kt         | 31 +++++++++++++++++++
 .../ForceEnableDebugModeFingerprint.kt        | 24 ++++++++++++++
 3 files changed, 59 insertions(+)
 create mode 100644 patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/ForceEnableDebugModePatch.kt
 create mode 100644 patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/fingerprints/ForceEnableDebugModeFingerprint.kt

diff --git a/patches/api/patches.api b/patches/api/patches.api
index 81506e79e..ee1d3f881 100644
--- a/patches/api/patches.api
+++ b/patches/api/patches.api
@@ -297,6 +297,10 @@ public final class app/revanced/patches/kakaotalk/integrity/VerifyingSignaturePa
 	public static final fun getVerifyingSignaturePatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 }
 
+public final class app/revanced/patches/kakaotalk/misc/ForceEnableDebugModePatchKt {
+	public static final fun getForceEnableDebugModePatch ()Lapp/revanced/patcher/patch/BytecodePatch;
+}
+
 public final class app/revanced/patches/kakaotalk/misc/RemoveShopTabPatchKt {
 	public static final fun getRemoveShopTabPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 }
diff --git a/patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/ForceEnableDebugModePatch.kt b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/ForceEnableDebugModePatch.kt
new file mode 100644
index 000000000..d72ba6ed2
--- /dev/null
+++ b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/ForceEnableDebugModePatch.kt
@@ -0,0 +1,31 @@
+package app.revanced.patches.kakaotalk.misc
+
+import app.revanced.patcher.extensions.InstructionExtensions.addInstructions
+import app.revanced.patcher.extensions.InstructionExtensions.instructions
+import app.revanced.patcher.patch.bytecodePatch
+import app.revanced.patches.kakaotalk.misc.fingerprints.configConstructorFingerprint
+import com.android.tools.smali.dexlib2.Opcode
+
+@Suppress("unused")
+val forceEnableDebugModePatch = bytecodePatch(
+    name = "Force enable debug mode",
+    description = "Enables debug mode in the app.",
+) {
+    compatibleWith("com.kakao.talk"("25.4.2"))
+
+    execute {
+        val method = configConstructorFingerprint.method
+        val insns = method.instructions
+        val idxReturn = insns.indexOfFirst { it.opcode == Opcode.RETURN_VOID } // RETURN_VOID
+
+        val clazz = method.definingClass
+
+        method.addInstructions(
+            idxReturn,
+            """
+                const/4 v0, 0x1
+                sput-boolean v0, $clazz->a:Z
+            """.trimIndent()
+        )
+    }
+}
\ No newline at end of file
diff --git a/patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/fingerprints/ForceEnableDebugModeFingerprint.kt b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/fingerprints/ForceEnableDebugModeFingerprint.kt
new file mode 100644
index 000000000..3b3206807
--- /dev/null
+++ b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/misc/fingerprints/ForceEnableDebugModeFingerprint.kt
@@ -0,0 +1,24 @@
+package app.revanced.patches.kakaotalk.misc.fingerprints
+
+import app.revanced.patcher.fingerprint
+import com.android.tools.smali.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.Opcode
+
+internal val configConstructorFingerprint = fingerprint {
+    accessFlags(AccessFlags.STATIC, AccessFlags.CONSTRUCTOR)
+    returns("V")
+    parameters()
+    strings("google", "one", "getBytes(...)")
+    opcodes(
+        Opcode.SGET_OBJECT,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.INVOKE_STATIC,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.SGET_OBJECT,
+        Opcode.CONST_4,
+        Opcode.CONST_4,
+        Opcode.IF_EQ,
+        Opcode.MOVE,
+        Opcode.GOTO,
+    )
+}
\ No newline at end of file