mirror of
https://github.com/revanced/revanced-patches.git
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aeb5299ca5
Co-authored-by: Ushie <ushiekane@gmail.com> Co-authored-by: aAbed <aabedhkhan@gmail.com> Co-authored-by: CnC-Robert <CnC.Rob3rt@gmail.com>
106 lines
3.7 KiB
Kotlin
106 lines
3.7 KiB
Kotlin
package app.revanced.extensions
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import app.revanced.patcher.data.BytecodeContext
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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.PatchException
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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.ResourceMappingPatch
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import com.android.tools.smali.dexlib2.Opcode
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import com.android.tools.smali.dexlib2.iface.Method
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import com.android.tools.smali.dexlib2.iface.instruction.WideLiteralInstruction
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import com.android.tools.smali.dexlib2.util.MethodUtil
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import org.w3c.dom.Node
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/**
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* The [PatchException] of failing to resolve a [MethodFingerprint].
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*
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* @return The [PatchException].
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*/
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val MethodFingerprint.exception
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get() = PatchException("Failed to resolve ${this.javaClass.simpleName}")
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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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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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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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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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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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/**
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* Find the index of the first constant instruction with the id of the given resource name.
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*
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* @param resourceName the name of the resource to find the id for.
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* @return the index of the first constant instruction with the id of the given resource name, or -1 if not found.
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*/
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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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* Find the index of the first constant instruction with the given value.
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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) = 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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* Check if the method contains a constant with the given value.
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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) =
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indexOfFirstConstantInstructionValue(constantValue) >= 0
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/**
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* Traverse the class hierarchy starting from the given root class.
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*
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* @param targetClass the class to start traversing the class hierarchy from.
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* @param callback function that is called for every class in the hierarchy.
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*/
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fun BytecodeContext.traverseClassHierarchy(targetClass: MutableClass, callback: MutableClass.() -> Unit) {
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callback(targetClass)
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this.findClass(targetClass.superclass ?: return)?.mutableClass?.let {
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traverseClassHierarchy(it, callback)
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}
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} |