From 60492aea7863e07d8bf1af9380ae9295ca161f3c Mon Sep 17 00:00:00 2001
From: Cedric <cedric-kell@gmx.ch>
Date: Sun, 28 Jul 2024 15:56:12 -0600
Subject: [PATCH] feat(SwissID): Add `Remove Google Play Integrity Integrity
 check` patch (#3478)

Co-authored-by: oSumAtrIX <johan.melkonyan1@web.de>
---
 api/revanced-patches.api                      |  6 +++
 .../RemoveGooglePlayIntegrityCheck.kt         | 37 +++++++++++++++++++
 .../fingerprints/CheckIntegrityFingerprint.kt | 11 ++++++
 3 files changed, 54 insertions(+)
 create mode 100644 src/main/kotlin/app/revanced/patches/swissid/integritycheck/RemoveGooglePlayIntegrityCheck.kt
 create mode 100644 src/main/kotlin/app/revanced/patches/swissid/integritycheck/fingerprints/CheckIntegrityFingerprint.kt

diff --git a/api/revanced-patches.api b/api/revanced-patches.api
index cba63bcab..e8eba4ec4 100644
--- a/api/revanced-patches.api
+++ b/api/revanced-patches.api
@@ -1178,6 +1178,12 @@ public final class app/revanced/patches/strava/upselling/DisableSubscriptionSugg
 	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
 }
 
+public final class app/revanced/patches/swissid/integritycheck/RemoveGooglePlayIntegrityCheck : app/revanced/patcher/patch/BytecodePatch {
+	public static final field INSTANCE Lapp/revanced/patches/swissid/integritycheck/RemoveGooglePlayIntegrityCheck;
+	public fun execute (Lapp/revanced/patcher/data/BytecodeContext;)V
+	public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
+}
+
 public final class app/revanced/patches/ticktick/misc/themeunlock/UnlockProPatch : app/revanced/patcher/patch/BytecodePatch {
 	public static final field INSTANCE Lapp/revanced/patches/ticktick/misc/themeunlock/UnlockProPatch;
 	public fun execute (Lapp/revanced/patcher/data/BytecodeContext;)V
diff --git a/src/main/kotlin/app/revanced/patches/swissid/integritycheck/RemoveGooglePlayIntegrityCheck.kt b/src/main/kotlin/app/revanced/patches/swissid/integritycheck/RemoveGooglePlayIntegrityCheck.kt
new file mode 100644
index 000000000..e65105cc3
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/swissid/integritycheck/RemoveGooglePlayIntegrityCheck.kt
@@ -0,0 +1,37 @@
+package app.revanced.patches.swissid.integritycheck
+
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.InstructionExtensions.addInstructions
+import app.revanced.patcher.patch.BytecodePatch
+import app.revanced.patcher.patch.annotation.CompatiblePackage
+import app.revanced.patcher.patch.annotation.Patch
+import app.revanced.patches.swissid.integritycheck.fingerprints.CheckIntegrityFingerprint
+import app.revanced.util.resultOrThrow
+
+@Patch(
+    name = "Remove Google Play Integrity Integrity check",
+    description = "Removes the Google Play Integrity check. With this it's possible to use SwissID on custom ROMS." +
+            "If the device is rooted, root permissions must be hidden from the app.",
+    compatiblePackages = [CompatiblePackage("com.swisssign.swissid.mobile")],
+)
+@Suppress("unused")
+object RemoveGooglePlayIntegrityCheck : BytecodePatch(
+    setOf(CheckIntegrityFingerprint),
+) {
+    private const val RESULT_METHOD_REFERENCE = " Lcom/swisssign/deviceintegrity/" +
+            "DeviceintegrityPlugin\$onMethodCall\$1;->\$result:" +
+            "Lio/flutter/plugin/common/MethodChannel\$Result;"
+    private const val SUCCESS_METHOD_REFERENCE =
+        "Lio/flutter/plugin/common/MethodChannel\$Result;->success(Ljava/lang/Object;)V"
+
+    override fun execute(context: BytecodeContext) =
+        CheckIntegrityFingerprint.resultOrThrow().mutableMethod.addInstructions(
+            0,
+            """
+                iget-object p1, p0, $RESULT_METHOD_REFERENCE
+                const-string v0, "VALID"
+                invoke-interface {p1, v0}, $SUCCESS_METHOD_REFERENCE
+                return-void
+            """,
+        )
+}
diff --git a/src/main/kotlin/app/revanced/patches/swissid/integritycheck/fingerprints/CheckIntegrityFingerprint.kt b/src/main/kotlin/app/revanced/patches/swissid/integritycheck/fingerprints/CheckIntegrityFingerprint.kt
new file mode 100644
index 000000000..ad1fe4fe6
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/swissid/integritycheck/fingerprints/CheckIntegrityFingerprint.kt
@@ -0,0 +1,11 @@
+package app.revanced.patches.swissid.integritycheck.fingerprints
+
+import app.revanced.patcher.fingerprint.MethodFingerprint
+import com.android.tools.smali.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.Opcode
+
+internal object CheckIntegrityFingerprint : MethodFingerprint(
+    returnType = "V",
+    parameters = listOf("Lcom/swisssign/deviceintegrity/model/DeviceIntegrityResult;"),
+    strings = listOf("it", "result")
+)