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feat(backdrops): pro-unlock
patch (#1121)
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package app.revanced.patches.backdrops.misc.pro.annotations
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import app.revanced.patcher.annotation.Compatibility
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import app.revanced.patcher.annotation.Package
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@Compatibility([Package("com.backdrops.wallpapers")])
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internal annotation class ProUnlockCompatibility
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package app.revanced.patches.backdrops.misc.pro.fingerprints
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import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
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import org.jf.dexlib2.Opcode
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object ProUnlockFingerprint : MethodFingerprint(
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opcodes = listOf(
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Opcode.INVOKE_VIRTUAL,
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Opcode.MOVE_RESULT_OBJECT,
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Opcode.INVOKE_INTERFACE,
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Opcode.MOVE_RESULT,
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Opcode.IF_EQZ
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),
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customFingerprint = { it.definingClass == "Lcom/backdrops/wallpapers/data/local/DatabaseHandlerIAB;" && it.name == "lambda\$existPurchase\$0" }
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)
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package app.revanced.patches.backdrops.misc.pro.patch
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import app.revanced.patcher.annotation.Description
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import app.revanced.patcher.annotation.Name
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import app.revanced.patcher.annotation.Version
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import app.revanced.patcher.data.BytecodeContext
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import app.revanced.patcher.extensions.MethodFingerprintExtensions.name
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import app.revanced.patcher.extensions.addInstructions
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import app.revanced.patcher.extensions.instruction
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import app.revanced.patcher.patch.BytecodePatch
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import app.revanced.patcher.patch.PatchResult
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import app.revanced.patcher.patch.PatchResultError
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import app.revanced.patcher.patch.PatchResultSuccess
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import app.revanced.patcher.patch.annotations.Patch
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import app.revanced.patches.backdrops.misc.pro.annotations.ProUnlockCompatibility
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import app.revanced.patches.backdrops.misc.pro.fingerprints.ProUnlockFingerprint
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import org.jf.dexlib2.iface.instruction.OneRegisterInstruction
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@Patch
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@Name("pro-unlock")
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@Description("Unlocks pro-only functions.")
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@ProUnlockCompatibility
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@Version("0.0.1")
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class ProUnlockPatch : BytecodePatch(
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listOf(ProUnlockFingerprint)
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) {
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override fun execute(context: BytecodeContext): PatchResult {
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val result = ProUnlockFingerprint.result ?: return PatchResultError("${ProUnlockFingerprint.name} not found")
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val moveRegisterInstruction = result.mutableMethod.instruction(result.scanResult.patternScanResult!!.endIndex - 1)
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val register = (moveRegisterInstruction as OneRegisterInstruction).registerA
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result.mutableMethod.addInstructions(
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result.scanResult.patternScanResult!!.endIndex,
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"""
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const/4 v$register, 0x1
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"""
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)
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return PatchResultSuccess()
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}
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}
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