feat(yuka): unlock-premium patch (#1608)

Co-authored-by: oSumAtrIX <johan.melkonyan1@web.de>

src/main/kotlin/app/revanced/patches/yuka/misc/unlockpremium/annotations/UnlockPremiumCompatibility.kt

@@ -0,0 +1,9 @@
+package app.revanced.patches.yuka.misc.unlockpremium.annotations
+
+import app.revanced.patcher.annotation.Compatibility
+import app.revanced.patcher.annotation.Package
+
+@Compatibility([Package("io.yuka.android")])
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+internal annotation class UnlockPremiumCompatibility

src/main/kotlin/app/revanced/patches/yuka/misc/unlockpremium/fingerprints/IsPremiumFingerprint.kt

@@ -0,0 +1,15 @@
+package app.revanced.patches.yuka.misc.unlockpremium.fingerprints
+
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import org.jf.dexlib2.AccessFlags
+import org.jf.dexlib2.Opcode
+
+object IsPremiumFingerprint : MethodFingerprint(
+    returnType = "Z",
+    access = AccessFlags.PUBLIC or AccessFlags.FINAL,
+    opcodes = listOf(
+        Opcode.IGET_BOOLEAN,
+        Opcode.RETURN,
+    )
+)

src/main/kotlin/app/revanced/patches/yuka/misc/unlockpremium/fingerprints/YukaUserConstructorFingerprint.kt

@@ -0,0 +1,13 @@
+package app.revanced.patches.yuka.misc.unlockpremium.fingerprints
+
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import org.jf.dexlib2.AccessFlags
+
+object YukaUserConstructorFingerprint : MethodFingerprint(
+    returnType = "V",
+    access = AccessFlags.PUBLIC or AccessFlags.CONSTRUCTOR,
+    strings = listOf(
+        "premiumProvider"
+    )
+)

src/main/kotlin/app/revanced/patches/yuka/misc/unlockpremium/patch/UnlockPremiunPatch.kt

@@ -0,0 +1,41 @@
+package app.revanced.patches.yuka.misc.unlockpremium.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.fingerprint.method.impl.MethodFingerprint.Companion.resolve
+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.yuka.misc.unlockpremium.annotations.UnlockPremiumCompatibility
+import app.revanced.patches.yuka.misc.unlockpremium.fingerprints.IsPremiumFingerprint
+import app.revanced.patches.yuka.misc.unlockpremium.fingerprints.YukaUserConstructorFingerprint
+
+@Patch
+@Name("unlock-premium")
+@Description("Unlocks premium features.")
+@UnlockPremiumCompatibility
+@Version("0.0.1")
+class UnlockPremiunPatch : BytecodePatch(
+    listOf(
+        YukaUserConstructorFingerprint
+    )
+) {
+
+    override fun execute(context: BytecodeContext): PatchResult {
+        IsPremiumFingerprint.resolve(context,YukaUserConstructorFingerprint.result!!.classDef)
+        val method = IsPremiumFingerprint.result!!.mutableMethod
+        method.addInstructions(
+            0,
+            """
+                const/4 v0, 0x1
+                return v0
+            """
+        )
+        return PatchResultSuccess()
+    }
+
+}