From ef96ed124e12091dde34124eabd8be9f2bb9280c Mon Sep 17 00:00:00 2001
From: oSumAtrIX <johan.melkonyan1@web.de>
Date: Fri, 16 Jun 2023 04:04:59 +0200
Subject: [PATCH] feat(google-recorder): add `remove-device-restrictions` patch

---
 .../OnApplicationCreateFingerprint.kt         | 12 ++++++
 .../patch/RemoveDeviceRestrictions.kt         | 42 +++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 src/main/kotlin/app/revanced/patches/googlerecorder/restrictions/fingereprints/OnApplicationCreateFingerprint.kt
 create mode 100644 src/main/kotlin/app/revanced/patches/googlerecorder/restrictions/patch/RemoveDeviceRestrictions.kt

diff --git a/src/main/kotlin/app/revanced/patches/googlerecorder/restrictions/fingereprints/OnApplicationCreateFingerprint.kt b/src/main/kotlin/app/revanced/patches/googlerecorder/restrictions/fingereprints/OnApplicationCreateFingerprint.kt
new file mode 100644
index 00000000..9eb26b8b
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/googlerecorder/restrictions/fingereprints/OnApplicationCreateFingerprint.kt
@@ -0,0 +1,12 @@
+package app.revanced.patches.googlerecorder.restrictions.fingereprints
+
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+
+object OnApplicationCreateFingerprint : MethodFingerprint(
+    strings = listOf("com.google.android.feature.PIXEL_2017_EXPERIENCE"),
+    customFingerprint = custom@{ methodDef, classDef ->
+        if (methodDef.name != "onCreate") return@custom false
+
+        classDef.type.endsWith("RecorderApplication;")
+    }
+)
diff --git a/src/main/kotlin/app/revanced/patches/googlerecorder/restrictions/patch/RemoveDeviceRestrictions.kt b/src/main/kotlin/app/revanced/patches/googlerecorder/restrictions/patch/RemoveDeviceRestrictions.kt
new file mode 100644
index 00000000..292d43fc
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/googlerecorder/restrictions/patch/RemoveDeviceRestrictions.kt
@@ -0,0 +1,42 @@
+package app.revanced.patches.googlerecorder.restrictions.patch
+
+import app.revanced.extensions.toErrorResult
+import app.revanced.patcher.annotation.Description
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.InstructionExtensions.addInstruction
+import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
+import app.revanced.patcher.extensions.InstructionExtensions.removeInstructions
+import app.revanced.patcher.patch.BytecodePatch
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.PatchResultSuccess
+import app.revanced.patcher.patch.annotations.Patch
+import app.revanced.patches.googlerecorder.restrictions.fingereprints.OnApplicationCreateFingerprint
+import org.jf.dexlib2.iface.instruction.OneRegisterInstruction
+
+@Patch
+@Name("remove-device-restrictions")
+@Description("Removes restrictions from using the app on any device.")
+@Version("0.0.1")
+class RemoveDeviceRestrictions : BytecodePatch(
+    listOf(OnApplicationCreateFingerprint)
+) {
+    override fun execute(context: BytecodeContext): PatchResult {
+        OnApplicationCreateFingerprint.result?.let {
+            val featureStringIndex = it.scanResult.stringsScanResult!!.matches.first().index
+
+            it.mutableMethod.apply {
+                // Remove check for device restrictions.
+                removeInstructions(featureStringIndex - 2, 5)
+
+                val featureAvailableRegister = getInstruction<OneRegisterInstruction>(featureStringIndex).registerA
+
+                // Override "isPixelDevice()" to return true.
+                addInstruction(featureStringIndex, "const/4 v$featureAvailableRegister, 0x1")
+            }
+        } ?: return OnApplicationCreateFingerprint.toErrorResult()
+
+        return PatchResultSuccess()
+    }
+}
\ No newline at end of file