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feat(Duolingo): Remove Unlock Duolingo Super patch

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The patch is not functional anymore, and is being removed according to the contribution guidelines
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oSumAtrIX 2023-09-30 22:00:39 +02:00
parent a3c77f82d1
commit b4b9746361
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62
src/main/kotlin/app/revanced/patches/duolingo/unlocksuper/UnlockDuolingoSuperPatch.kt
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@ -1,62 +0,0 @@
package app.revanced.patches.duolingo.unlocksuper
import app.revanced.extensions.exception
import app.revanced.patcher.data.BytecodeContext
import app.revanced.patcher.extensions.InstructionExtensions.getInstructions
import app.revanced.patcher.extensions.InstructionExtensions.replaceInstructions
import app.revanced.patcher.patch.BytecodePatch
import app.revanced.patcher.patch.PatchException
import app.revanced.patcher.patch.annotation.CompatiblePackage
import app.revanced.patcher.patch.annotation.Patch
import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
import app.revanced.patches.duolingo.unlocksuper.fingerprints.IsUserSuperMethodFingerprint
import app.revanced.patches.duolingo.unlocksuper.fingerprints.UserSerializationMethodFingerprint
import com.android.tools.smali.dexlib2.Opcode
import com.android.tools.smali.dexlib2.builder.instruction.BuilderInstruction22c
import com.android.tools.smali.dexlib2.iface.reference.Reference
@Patch(
name = "Unlock Duolingo Super",
compatiblePackages = [CompatiblePackage("com.duolingo")]
)
@Suppress("unused")
object UnlockDuolingoSuperPatch : BytecodePatch(
setOf(
UserSerializationMethodFingerprint,
IsUserSuperMethodFingerprint
)
) {
/* First find the reference to the isUserSuper field, then patch the instruction that assigns it to false.
* This strategy is used because the method that sets the isUserSuper field is difficult to fingerprint reliably.
*/
override fun execute(context: BytecodeContext) {
// Find the reference to the isUserSuper field.
val isUserSuperReference = IsUserSuperMethodFingerprint
.result
?.mutableMethod
?.getInstructions()
?.filterIsInstance<BuilderInstruction22c>()
?.firstOrNull { it.opcode == Opcode.IGET_BOOLEAN }
?.reference
?: throw IsUserSuperMethodFingerprint.exception
// Patch the instruction that assigns isUserSuper to true.
UserSerializationMethodFingerprint
.result
?.mutableMethod
?.apply {
replaceInstructions(
indexOfReference(isUserSuperReference) - 1,
"const/4 v2, 0x1"
)
}
?: throw UserSerializationMethodFingerprint.exception
}
private fun MutableMethod.indexOfReference(reference: Reference) = getInstructions()
.indexOfFirst { it is BuilderInstruction22c && it.opcode == Opcode.IPUT_BOOLEAN && it.reference == reference }
.let {
if (it == -1) throw PatchException("Could not find index of instruction with supplied reference.")
else it
}
}

14
src/main/kotlin/app/revanced/patches/duolingo/unlocksuper/fingerprints/IsUserSuperMethodFingerprint.kt
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package app.revanced.patches.duolingo.unlocksuper.fingerprints
import app.revanced.patcher.extensions.or
import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
import com.android.tools.smali.dexlib2.AccessFlags
import com.android.tools.smali.dexlib2.Opcode
object IsUserSuperMethodFingerprint : MethodFingerprint(
returnType = "Ljava/lang/Object",
parameters = listOf("Ljava/lang/Object"),
accessFlags = AccessFlags.PUBLIC or AccessFlags.FINAL,
strings = listOf("user"),
opcodes = listOf(Opcode.IGET_BOOLEAN),
)

20
src/main/kotlin/app/revanced/patches/duolingo/unlocksuper/fingerprints/UserSerializationMethodFingerprint.kt
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@ -1,20 +0,0 @@
package app.revanced.patches.duolingo.unlocksuper.fingerprints
import app.revanced.patcher.extensions.or
import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
import com.android.tools.smali.dexlib2.AccessFlags
import com.android.tools.smali.dexlib2.Opcode
object UserSerializationMethodFingerprint : MethodFingerprint(
returnType = "V",
accessFlags = AccessFlags.PUBLIC or AccessFlags.CONSTRUCTOR,
strings = listOf(
"betaStatus",
"coachOutfit",
"globalAmbassadorStatus",
),
opcodes = listOf(
Opcode.MOVE_FROM16,
Opcode.IPUT_BOOLEAN,
),
)