mirror of
https://github.com/ReVanced/revanced-patches.git
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85 lines
2.9 KiB
Kotlin
85 lines
2.9 KiB
Kotlin
package app.revanced.extensions
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import app.revanced.patcher.extensions.MethodFingerprintExtensions.name
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import app.revanced.patcher.extensions.InstructionExtensions.addInstruction
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import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
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import app.revanced.patcher.patch.PatchResultError
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import app.revanced.patcher.util.proxy.mutableTypes.MutableClass
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import app.revanced.patcher.util.proxy.mutableTypes.MutableMethod
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import app.revanced.patches.shared.mapping.misc.patch.ResourceMappingPatch
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import org.jf.dexlib2.Opcode
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import org.jf.dexlib2.iface.Method
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import org.jf.dexlib2.iface.instruction.WideLiteralInstruction
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import org.jf.dexlib2.util.MethodUtil
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import org.w3c.dom.Node
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// TODO: populate this to all patches
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/**
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* Convert a [MethodFingerprint] to a [PatchResultError].
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*
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* @return A [PatchResultError] for the [MethodFingerprint].
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*/
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internal fun MethodFingerprint.toErrorResult() = PatchResultError("Failed to resolve $name")
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/**
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* Find the [MutableMethod] from a given [Method] in a [MutableClass].
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*
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* @param method The [Method] to find.
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* @return The [MutableMethod].
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*/
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internal fun MutableClass.findMutableMethodOf(method: Method) = this.methods.first {
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MethodUtil.methodSignaturesMatch(it, method)
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}
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/**
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* apply a transform to all methods of the class
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*
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* @param transform the transformation function. original method goes in, transformed method goes out
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*/
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internal fun MutableClass.transformMethods(transform: MutableMethod.() -> MutableMethod) {
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val transformedMethods = methods.map { it.transform() }
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methods.clear()
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methods.addAll(transformedMethods)
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}
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internal fun Node.doRecursively(action: (Node) -> Unit) {
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action(this)
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for (i in 0 until this.childNodes.length) this.childNodes.item(i).doRecursively(action)
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}
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internal fun MutableMethod.injectHideViewCall(
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insertIndex: Int,
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viewRegister: Int,
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classDescriptor: String,
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targetMethod: String
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) = addInstruction(
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insertIndex,
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"invoke-static { v$viewRegister }, $classDescriptor->$targetMethod(Landroid/view/View;)V"
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)
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internal fun Method.findIndexForIdResource(resourceName: String): Int {
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fun getIdResourceId(resourceName: String) = ResourceMappingPatch.resourceMappings.single {
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it.type == "id" && it.name == resourceName
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}.id
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return indexOfFirstConstantInstructionValue(getIdResourceId(resourceName))
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}
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/**
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* @return the first constant instruction with the value, or -1 if not found.
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*/
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fun Method.indexOfFirstConstantInstructionValue(constantValue: Long): Int {
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return implementation?.let {
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it.instructions.indexOfFirst { instruction ->
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instruction.opcode == Opcode.CONST && (instruction as WideLiteralInstruction).wideLiteral == constantValue
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}
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} ?: -1
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}
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/**
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* @return if the method contains a constant with the given value.
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*/
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fun Method.containsConstantInstructionValue(constantValue: Long): Boolean {
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return indexOfFirstConstantInstructionValue(constantValue) >= 0
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}
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