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feat(Duolingo): Add Disable ads and Enable debug menu patch (#3422)
Co-authored-by: oSumAtrIX <[email protected]> Co-authored-by: LisoUseInAIKyrios <[email protected]>
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‎api/revanced-patches.api‎

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@@ -243,6 +243,18 @@ public final class app/revanced/patches/cieid/restrictions/root/BypassRootChecks
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public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
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}
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public final class app/revanced/patches/duolingo/ad/DisableAdsPatch : app/revanced/patcher/patch/BytecodePatch {
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public static final field INSTANCE Lapp/revanced/patches/duolingo/ad/DisableAdsPatch;
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public fun execute (Lapp/revanced/patcher/data/BytecodeContext;)V
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public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
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}
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public final class app/revanced/patches/duolingo/debug/EnableDebugMenuPatch : app/revanced/patcher/patch/BytecodePatch {
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public static final field INSTANCE Lapp/revanced/patches/duolingo/debug/EnableDebugMenuPatch;
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public fun execute (Lapp/revanced/patcher/data/BytecodeContext;)V
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public synthetic fun execute (Lapp/revanced/patcher/data/Context;)V
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}
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public final class app/revanced/patches/facebook/ads/story/HideStoryAdsPatch : app/revanced/patcher/patch/BytecodePatch {
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public static final field INSTANCE Lapp/revanced/patches/facebook/ads/story/HideStoryAdsPatch;
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public fun execute (Lapp/revanced/patcher/data/BytecodeContext;)V

‎src/main/kotlin/app/revanced/patches/duolingo/ad/DisableAdsPatch.kt‎

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package app.revanced.patches.duolingo.ad
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import app.revanced.patcher.data.BytecodeContext
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import app.revanced.patcher.extensions.InstructionExtensions.addInstructions
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import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
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import app.revanced.patcher.patch.BytecodePatch
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import app.revanced.patcher.patch.annotation.CompatiblePackage
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import app.revanced.patcher.patch.annotation.Patch
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import app.revanced.patches.duolingo.ad.fingerprints.InitializeMonetizationDebugSettingsFingerprint
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import app.revanced.util.resultOrThrow
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import com.android.tools.smali.dexlib2.iface.instruction.TwoRegisterInstruction
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@Patch(
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name = "Disable ads",
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compatiblePackages = [CompatiblePackage("com.duolingo")]
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)
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@Suppress("unused")
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object DisableAdsPatch : BytecodePatch(
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setOf(InitializeMonetizationDebugSettingsFingerprint)
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) {
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override fun execute(context: BytecodeContext) {
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// Couple approaches to remove ads exist:
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//
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// MonetizationDebugSettings has a boolean value for "disableAds".
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// OnboardingState has a getter to check if the user has any "adFreeSessions".
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// SharedPreferences has a debug boolean value with key "disable_ads", which maps to "DebugCategory.DISABLE_ADS".
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//
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// MonetizationDebugSettings seems to be the most general setting to work fine.
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InitializeMonetizationDebugSettingsFingerprint.resultOrThrow().let {
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it.mutableMethod.apply {
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val insertIndex = it.scanResult.patternScanResult!!.startIndex
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val register = getInstruction<TwoRegisterInstruction>(insertIndex).registerA
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addInstructions(
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insertIndex,
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"const/4 v$register, 0x1"
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)
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}
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}
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}
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}

‎src/main/kotlin/app/revanced/patches/duolingo/ad/fingerprints/InitializeMonetizationDebugSettingsFingerprint.kt‎

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package app.revanced.patches.duolingo.ad.fingerprints
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import app.revanced.patcher.extensions.or
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import app.revanced.patcher.fingerprint.MethodFingerprint
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import com.android.tools.smali.dexlib2.AccessFlags
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import com.android.tools.smali.dexlib2.Opcode
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internal object InitializeMonetizationDebugSettingsFingerprint : MethodFingerprint(
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returnType = "V",
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accessFlags = AccessFlags.PUBLIC or AccessFlags.CONSTRUCTOR,
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parameters = listOf(
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"Z", // disableAds
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"Z", // useDebugBilling
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"Z", // showManageSubscriptions
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"Z", // alwaysShowSuperAds
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"Lcom/duolingo/debug/FamilyQuestOverride;",
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),
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opcodes = listOf(
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Opcode.IPUT_BOOLEAN
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)
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)

‎src/main/kotlin/app/revanced/patches/duolingo/debug/EnableDebugMenuPatch.kt‎

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package app.revanced.patches.duolingo.debug
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import app.revanced.patcher.data.BytecodeContext
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import app.revanced.patcher.extensions.InstructionExtensions.addInstructions
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import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
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import app.revanced.patcher.patch.BytecodePatch
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import app.revanced.patcher.patch.annotation.CompatiblePackage
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import app.revanced.patcher.patch.annotation.Patch
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import app.revanced.patches.duolingo.debug.fingerprints.InitializeBuildConfigProviderFingerprint
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import app.revanced.util.resultOrThrow
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import com.android.tools.smali.dexlib2.iface.instruction.TwoRegisterInstruction
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@Patch(
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name = "Enable debug menu",
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compatiblePackages = [CompatiblePackage("com.duolingo", ["5.158.4"])],
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use = false
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)
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@Suppress("unused")
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object EnableDebugMenuPatch : BytecodePatch(
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setOf(InitializeBuildConfigProviderFingerprint)
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) {
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override fun execute(context: BytecodeContext) {
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InitializeBuildConfigProviderFingerprint.resultOrThrow().let {
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it.mutableMethod.apply {
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val insertIndex = it.scanResult.patternScanResult!!.startIndex
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val register = getInstruction<TwoRegisterInstruction>(insertIndex).registerA
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addInstructions(
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insertIndex,
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"const/4 v$register, 0x1"
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)
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}
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}
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}
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}

‎src/main/kotlin/app/revanced/patches/duolingo/debug/fingerprints/InitializeBuildConfigProviderFingerprint.kt‎

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package app.revanced.patches.duolingo.debug.fingerprints
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import app.revanced.patcher.extensions.or
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import app.revanced.patcher.fingerprint.MethodFingerprint
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import com.android.tools.smali.dexlib2.AccessFlags
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import com.android.tools.smali.dexlib2.Opcode
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/**
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* The `BuildConfigProvider` class has two booleans:
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*
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* - `isChina`: (usually) compares "play" with "china"...except for builds in China
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* - `isDebug`: compares "release" with "debug" <-- we want to force this to `true`
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*/
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internal object InitializeBuildConfigProviderFingerprint : MethodFingerprint(
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returnType = "V",
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accessFlags = AccessFlags.PUBLIC or AccessFlags.CONSTRUCTOR,
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strings = listOf(
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"debug",
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"release",
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"china",
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),
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opcodes = listOf(
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Opcode.IPUT_BOOLEAN
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)
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)

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