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https://github.com/revanced/revanced-patches
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fix(tasker/unlock-license): resolve fingerprint correctly
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@ -1,14 +1,7 @@
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package app.revanced.patches.tasker.license.unlock.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 CheckLicenseFingerprint : MethodFingerprint(
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strings = listOf("just(IsLicensedResult(true))"),
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opcodes = listOf(
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Opcode.GOTO,
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Opcode.INVOKE_VIRTUAL,
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Opcode.MOVE_RESULT_OBJECT,
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Opcode.INVOKE_VIRTUAL
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)
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strings = listOf("Can't check license")
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)
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@ -5,16 +5,12 @@ 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.instruction
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import app.revanced.patcher.extensions.addInstruction
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import app.revanced.patcher.patch.BytecodePatch
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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.tasker.license.unlock.annotations.UnlockLicenseCompatibility
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import app.revanced.patches.tasker.license.unlock.fingerprints.CheckLicenseFingerprint
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import org.jf.dexlib2.iface.instruction.FiveRegisterInstruction
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import org.jf.dexlib2.iface.instruction.ReferenceInstruction
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import org.jf.dexlib2.iface.reference.MethodReference
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import org.jf.dexlib2.immutable.instruction.ImmutableInstruction35c
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@Patch
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@Name("unlock-license")
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@ -26,21 +22,11 @@ class UnlockLicensePatch : BytecodePatch(
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CheckLicenseFingerprint
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)
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) {
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override fun execute(context: BytecodeContext) = CheckLicenseFingerprint.result?.let { result ->
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val patchIndex = result.scanResult.patternScanResult!!.endIndex
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with(result.mutableMethod.instruction(patchIndex) as FiveRegisterInstruction) {
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ImmutableInstruction35c(
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opcode,
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registerCount,
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registerC,
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0, // registerE is 1, registerD is now 0 instead of 1 bypassing the license verification
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registerE,
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registerF,
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registerG,
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(this as ReferenceInstruction).reference as MethodReference
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)
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}
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PatchResultSuccess()
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} ?: CheckLicenseFingerprint.toErrorResult()
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override fun execute(context: BytecodeContext) = CheckLicenseFingerprint
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.result
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?.mutableMethod
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// Return the method early, which prompts the user with a non dismissible dialog, when the trial period is over.
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?.addInstruction(0, "return-void")
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?.let { PatchResultSuccess() }
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?: CheckLicenseFingerprint.toErrorResult()
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}
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