feat: ˋpflotsh-ecmwf-subscription-unlockˋ patch (#332)

src/main/kotlin/app/revanced/patches/ecmwf/misc/subscription/annotations/SubscriptionUnlockCompatibility.kt

@@ -0,0 +1,13 @@
+package app.revanced.patches.ecmwf.misc.subscription.annotations
+
+import app.revanced.patcher.annotation.Compatibility
+import app.revanced.patcher.annotation.Package
+
+@Compatibility(
+    [Package(
+        "com.garzotto.pflotsh.ecmwf_a", arrayOf("3.5.4")
+    )]
+)
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+internal annotation class SubscriptionUnlockCompatibility

src/main/kotlin/app/revanced/patches/ecmwf/misc/subscription/fingerprints/SubscriptionUnlockFingerprint.kt

@@ -0,0 +1,24 @@
+package app.revanced.patches.ecmwf.misc.subscription.fingerprints
+
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import app.revanced.patcher.fingerprint.method.annotation.MatchingMethod
+import app.revanced.patches.ecmwf.misc.subscription.annotations.SubscriptionUnlockCompatibility
+
+@Name("subscription-unlock")
+@MatchingMethod(
+    "Lcom/garzotto/pflotsh/library_a/MapsActivity", "t0"
+)
+@SubscriptionUnlockCompatibility
+@Version("0.0.1")
+object SubscriptionUnlockFingerprint : MethodFingerprint(
+    "Z",
+    null,
+    null,
+    null,
+    null,
+    { methodDef ->
+        methodDef.definingClass.endsWith("MapsActivity;") && methodDef.name == "t0"
+    }
+)

src/main/kotlin/app/revanced/patches/ecmwf/misc/subscription/patch/SubscriptionUnlockPatch.kt

@@ -0,0 +1,47 @@
+package app.revanced.patches.ecmwf.misc.subscription.patch
+
+import app.revanced.patcher.annotation.Description
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.data.impl.BytecodeData
+import app.revanced.patcher.extensions.addInstructions
+import app.revanced.patcher.extensions.removeInstruction
+import app.revanced.patcher.patch.annotations.Patch
+import app.revanced.patcher.patch.impl.BytecodePatch
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.PatchResultSuccess
+import app.revanced.patches.ecmwf.misc.subscription.annotations.SubscriptionUnlockCompatibility
+import app.revanced.patches.ecmwf.misc.subscription.fingerprints.SubscriptionUnlockFingerprint
+
+@Patch
+@Name("pflotsh-ecmwf-subscription-unlock")
+@Description("Unlocks all subscription features.")
+@SubscriptionUnlockCompatibility
+@Version("0.0.1")
+class SubscriptionUnlockPatch : BytecodePatch(
+    listOf(
+        SubscriptionUnlockFingerprint
+    )
+) {
+    override fun execute(data: BytecodeData): PatchResult {
+        val result = SubscriptionUnlockFingerprint.result!!
+        val method = result.mutableMethod
+
+        val index = method.implementation!!.instructions.size
+
+        // remove R() at 10212
+        method.removeInstruction(index - 3)
+        // remove R() at 10206
+        method.removeInstruction(index - 5)
+
+        val insertIndex = index
+
+        method.addInstructions(
+            insertIndex - 1 - 2, 
+            """
+                const/4 p1, 0x1
+            """
+        )
+        return PatchResultSuccess()
+    }
+}