From 52b3d909bbe59dafaea0cb9da1c27bdd0cda502f Mon Sep 17 00:00:00 2001
From: Jonathan <63370021+FineFindus@users.noreply.github.com>
Date: Sat, 19 Nov 2022 17:12:51 +0100
Subject: [PATCH] feat(anytracker): `unlock-premium` patch (#1076)

---
 .../annotations/UnlockPremiumCompatibility.kt |  9 ++++
 .../fingerprints/CheckPremiumFingerprint.kt   | 15 +++++++
 .../misc/premium/patch/UnlockPremiumPatch.kt  | 42 +++++++++++++++++++
 3 files changed, 66 insertions(+)
 create mode 100644 src/main/kotlin/app/revanced/patches/anytracker/misc/premium/annotations/UnlockPremiumCompatibility.kt
 create mode 100644 src/main/kotlin/app/revanced/patches/anytracker/misc/premium/fingerprints/CheckPremiumFingerprint.kt
 create mode 100644 src/main/kotlin/app/revanced/patches/anytracker/misc/premium/patch/UnlockPremiumPatch.kt

diff --git a/src/main/kotlin/app/revanced/patches/anytracker/misc/premium/annotations/UnlockPremiumCompatibility.kt b/src/main/kotlin/app/revanced/patches/anytracker/misc/premium/annotations/UnlockPremiumCompatibility.kt
new file mode 100644
index 000000000..bbe48a634
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/anytracker/misc/premium/annotations/UnlockPremiumCompatibility.kt
@@ -0,0 +1,9 @@
+package app.revanced.patches.anytracker.misc.premium.annotations
+
+import app.revanced.patcher.annotation.Compatibility
+import app.revanced.patcher.annotation.Package
+
+@Compatibility([Package("com.shervinkoushan.anyTracker")])
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+internal annotation class UnlockPremiumCompatibility
diff --git a/src/main/kotlin/app/revanced/patches/anytracker/misc/premium/fingerprints/CheckPremiumFingerprint.kt b/src/main/kotlin/app/revanced/patches/anytracker/misc/premium/fingerprints/CheckPremiumFingerprint.kt
new file mode 100644
index 000000000..420b0f9cf
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/anytracker/misc/premium/fingerprints/CheckPremiumFingerprint.kt
@@ -0,0 +1,15 @@
+package app.revanced.patches.anytracker.misc.premium.fingerprints
+
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import app.revanced.patches.anytracker.misc.premium.annotations.UnlockPremiumCompatibility
+
+@Name("check-premium-fingerprint")
+@UnlockPremiumCompatibility
+@Version("0.0.1")
+object CheckPremiumFingerprint : MethodFingerprint(
+    customFingerprint = { methodDef ->
+        methodDef.definingClass.endsWith("BillingDataSource;") && methodDef.name == "isPurchased"
+    }
+)
diff --git a/src/main/kotlin/app/revanced/patches/anytracker/misc/premium/patch/UnlockPremiumPatch.kt b/src/main/kotlin/app/revanced/patches/anytracker/misc/premium/patch/UnlockPremiumPatch.kt
new file mode 100644
index 000000000..3941353ce
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/anytracker/misc/premium/patch/UnlockPremiumPatch.kt
@@ -0,0 +1,42 @@
+package app.revanced.patches.anytracker.misc.premium.patch
+
+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.addInstructions
+import app.revanced.patcher.extensions.removeInstruction
+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.anytracker.misc.premium.annotations.UnlockPremiumCompatibility
+import app.revanced.patches.anytracker.misc.premium.fingerprints.CheckPremiumFingerprint
+
+@Patch
+@Name("unlock-premium")
+@Description("Unlocks all premium features.")
+@UnlockPremiumCompatibility
+@Version("0.0.1")
+class UnlockPremiumPatch : BytecodePatch(
+    listOf(
+        CheckPremiumFingerprint
+    )
+) {
+    override fun execute(context: BytecodeContext): PatchResult {
+        val method = CheckPremiumFingerprint.result!!.mutableMethod
+        method.addInstructions(
+            0,
+            """
+                const/4 v0, 0x1
+                invoke-static {v0}, Ljava/lang/Boolean;->valueOf(Z)Ljava/lang/Boolean;
+                move-result-object v0
+                invoke-static {v0}, Lkotlinx/coroutines/flow/FlowKt;->flowOf(Ljava/lang/Object;)Lkotlinx/coroutines/flow/Flow;
+                move-result-object v0
+                return-object v0
+            """
+        )
+        
+        return PatchResultSuccess()
+    }
+}