From dda747379bf56df9718d2eaebb6dad917a8ffd40 Mon Sep 17 00:00:00 2001
From: hoodles <207470673+hoo-dles@users.noreply.github.com>
Date: Mon, 12 May 2025 23:58:07 -0700
Subject: [PATCH] fix(Instagram) - Fix ` hide ads` fingerprint and add `bypass
 check signature` (#4901)

Co-authored-by: oSumAtrIX <johan.melkonyan1@web.de>
---
 patches/api/patches.api                       |  4 ++++
 .../patches/instagram/ads/Fingerprints.kt     |  1 -
 .../instagram/misc/signature/Fingerprints.kt  | 20 +++++++++++++++++++
 .../misc/signature/SignatureCheckPatch.kt     | 19 ++++++++++++++++++
 4 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 patches/src/main/kotlin/app/revanced/patches/instagram/misc/signature/Fingerprints.kt
 create mode 100644 patches/src/main/kotlin/app/revanced/patches/instagram/misc/signature/SignatureCheckPatch.kt

diff --git a/patches/api/patches.api b/patches/api/patches.api
index 7e9a01a9c..7268c398e 100644
--- a/patches/api/patches.api
+++ b/patches/api/patches.api
@@ -240,6 +240,10 @@ public final class app/revanced/patches/instagram/ads/HideAdsPatchKt {
 	public static final fun getHideAdsPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 }
 
+public final class app/revanced/patches/instagram/misc/signature/SignatureCheckPatchKt {
+	public static final fun getSignatureCheckPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
+}
+
 public final class app/revanced/patches/irplus/ad/RemoveAdsPatchKt {
 	public static final fun getRemoveAdsPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 }
diff --git a/patches/src/main/kotlin/app/revanced/patches/instagram/ads/Fingerprints.kt b/patches/src/main/kotlin/app/revanced/patches/instagram/ads/Fingerprints.kt
index 65d052729..1e5eb6d04 100644
--- a/patches/src/main/kotlin/app/revanced/patches/instagram/ads/Fingerprints.kt
+++ b/patches/src/main/kotlin/app/revanced/patches/instagram/ads/Fingerprints.kt
@@ -9,6 +9,5 @@ internal val adInjectorFingerprint = fingerprint {
     parameters("L", "L")
     strings(
         "SponsoredContentController.insertItem",
-        "SponsoredContentController::Delivery",
     )
 }
diff --git a/patches/src/main/kotlin/app/revanced/patches/instagram/misc/signature/Fingerprints.kt b/patches/src/main/kotlin/app/revanced/patches/instagram/misc/signature/Fingerprints.kt
new file mode 100644
index 000000000..47ebe189b
--- /dev/null
+++ b/patches/src/main/kotlin/app/revanced/patches/instagram/misc/signature/Fingerprints.kt
@@ -0,0 +1,20 @@
+package app.revanced.patches.instagram.misc.signature
+
+import app.revanced.patcher.fingerprint
+import app.revanced.util.getReference
+import app.revanced.util.indexOfFirstInstruction
+import com.android.tools.smali.dexlib2.iface.reference.MethodReference
+
+internal val isValidSignatureClassFingerprint = fingerprint {
+    strings("The provider for uri '", "' is not trusted: ")
+}
+
+internal val isValidSignatureMethodFingerprint = fingerprint {
+    parameters("L", "Z")
+    returns("Z")
+    custom { method, _ ->
+        method.indexOfFirstInstruction {
+            getReference<MethodReference>()?.name == "keySet"
+        } >= 0
+    }
+}
diff --git a/patches/src/main/kotlin/app/revanced/patches/instagram/misc/signature/SignatureCheckPatch.kt b/patches/src/main/kotlin/app/revanced/patches/instagram/misc/signature/SignatureCheckPatch.kt
new file mode 100644
index 000000000..5bc077c4b
--- /dev/null
+++ b/patches/src/main/kotlin/app/revanced/patches/instagram/misc/signature/SignatureCheckPatch.kt
@@ -0,0 +1,19 @@
+package app.revanced.patches.instagram.misc.signature
+
+import app.revanced.patcher.patch.bytecodePatch
+import app.revanced.util.returnEarly
+
+@Suppress("unused")
+val signatureCheckPatch = bytecodePatch(
+    name = "Disable signature check",
+    description = "Disables the signature check that causes the app to crash on startup."
+) {
+    compatibleWith("com.instagram.android"("378.0.0.52.68"))
+
+    execute {
+        isValidSignatureMethodFingerprint
+            .match(isValidSignatureClassFingerprint.classDef)
+            .method
+            .returnEarly(true)
+    }
+}