From 57f3a92189a5b7a7fa9cd4ac596300b480af8fd3 Mon Sep 17 00:00:00 2001
From: naijun0403 <naijun0403@gmail.com>
Date: Mon, 19 May 2025 20:49:23 +0900
Subject: [PATCH] feat(kakaotalk): add patch and fingerprint to remove OpenLink
 chat room list ad

---
 patches/api/patches.api                       |  4 +++
 .../ads/RemoveOlkChatRoomListAdPatch.kt       | 31 +++++++++++++++++++
 .../RemoveOlkChatRoomListAdFingerprint.kt     | 25 +++++++++++++++
 3 files changed, 60 insertions(+)
 create mode 100644 patches/src/main/kotlin/app/revanced/patches/kakaotalk/ads/RemoveOlkChatRoomListAdPatch.kt
 create mode 100644 patches/src/main/kotlin/app/revanced/patches/kakaotalk/ads/fingerprints/RemoveOlkChatRoomListAdFingerprint.kt

diff --git a/patches/api/patches.api b/patches/api/patches.api
index 8771e8071..bf1e3e72e 100644
--- a/patches/api/patches.api
+++ b/patches/api/patches.api
@@ -248,6 +248,10 @@ public final class app/revanced/patches/kakaotalk/ads/RemoveBizBoardPatchKt {
 	public static final fun getRemoveBizBoardPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 }
 
+public final class app/revanced/patches/kakaotalk/ads/RemoveOlkChatRoomListAdPatchKt {
+	public static final fun getRemoveOlkChatRoomListAdPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
+}
+
 public final class app/revanced/patches/kakaotalk/changemodel/ChangeModelPatchKt {
 	public static final fun getChangeModelPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 }
diff --git a/patches/src/main/kotlin/app/revanced/patches/kakaotalk/ads/RemoveOlkChatRoomListAdPatch.kt b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/ads/RemoveOlkChatRoomListAdPatch.kt
new file mode 100644
index 000000000..fa2df6351
--- /dev/null
+++ b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/ads/RemoveOlkChatRoomListAdPatch.kt
@@ -0,0 +1,31 @@
+package app.revanced.patches.kakaotalk.ads
+
+import app.revanced.patcher.extensions.InstructionExtensions.addInstructions
+import app.revanced.patcher.patch.bytecodePatch
+import app.revanced.patches.kakaotalk.ads.fingerprints.removeOlkChatRoomListAdFingerprint
+import app.revanced.patches.kakaotalk.common.fingerprints.kotlinUnitInstanceFingerprint
+
+@Suppress("unused")
+val removeOlkChatRoomListAdPatch = bytecodePatch(
+    name = "Remove OpenLink chat room list ad",
+    description = "Removes the OpenLink chat room list ad.",
+) {
+    compatibleWith("com.kakao.talk"("25.4.2"))
+
+    execute {
+        val findUnit = kotlinUnitInstanceFingerprint.method
+        val unitClass = findUnit.definingClass
+
+        val method = removeOlkChatRoomListAdFingerprint.method
+
+        // I tried to find the field name, but it's pretty obvious to me, so I hardcode it.
+        // If it changes, we need to fix it
+        method.addInstructions(
+            0,
+            """
+                sget-object v0, $unitClass->a:$unitClass
+                return-object v0
+            """.trimIndent()
+        )
+    }
+}
\ No newline at end of file
diff --git a/patches/src/main/kotlin/app/revanced/patches/kakaotalk/ads/fingerprints/RemoveOlkChatRoomListAdFingerprint.kt b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/ads/fingerprints/RemoveOlkChatRoomListAdFingerprint.kt
new file mode 100644
index 000000000..f424d383f
--- /dev/null
+++ b/patches/src/main/kotlin/app/revanced/patches/kakaotalk/ads/fingerprints/RemoveOlkChatRoomListAdFingerprint.kt
@@ -0,0 +1,25 @@
+package app.revanced.patches.kakaotalk.ads.fingerprints
+
+import app.revanced.patcher.fingerprint
+import com.android.tools.smali.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.Opcode
+
+internal val removeOlkChatRoomListAdFingerprint = fingerprint {
+    accessFlags(AccessFlags.PUBLIC, AccessFlags.FINAL)
+    parameters("Ljava/lang/Object;")
+    returns("Ljava/lang/Object;")
+    strings("list", "key_ad_info", "")
+    opcodes(
+        Opcode.MOVE_OBJECT_FROM16,
+        Opcode.SGET_OBJECT,
+        Opcode.INVOKE_STATIC_RANGE,
+        Opcode.SGET_BOOLEAN,
+        Opcode.IGET_OBJECT,
+        Opcode.IGET,
+        Opcode.INVOKE_STATIC,
+        Opcode.MOVE_RESULT,
+        Opcode.CONST_STRING,
+        Opcode.IGET_OBJECT,
+        Opcode.IF_EQZ,
+    )
+}
\ No newline at end of file