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fix(spoof-wifi-connection): use updated instruction indices (#2199)

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Co-authored-by: Linus789 <Linus789@users.noreply.github.com>
Co-authored-by: oSumAtrIX <johan.melkonyan1@web.de>
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Linus 2023-05-30 21:51:43 +00:00 committed by GitHub
parent 41b4eef72c
commit 76fb700884
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1 changed files with 30 additions and 25 deletions
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src/main/kotlin/app/revanced/util/patch/AbstractTransformInstructionsPatch.kt
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@ -21,39 +21,44 @@ internal abstract class AbstractTransformInstructionsPatch<T> : BytecodePatch()
abstract fun transform(mutableMethod: MutableMethod, entry: T)
// Returns the patch indices as a Sequence, which will execute lazily.
private fun findPatchIndices(classDef: ClassDef, method: Method): Sequence<T>? {
return method.implementation?.instructions?.asSequence()?.withIndex()?.mapNotNull { (index, instruction) ->
filterMap(classDef, method, instruction, index)
}
}
override fun execute(context: BytecodeContext): PatchResult {
// Find all instructions
// Find all methods to patch
buildMap {
context.classes.forEach { classDef ->
classDef.methods.let { methods ->
buildMap methodList@{
methods.forEach methods@{ method ->
with(method.implementation?.instructions ?: return@methods) {
ArrayDeque<T>().also { patchIndices ->
this.forEachIndexed { index, instruction ->
val result = filterMap(classDef, method, instruction, index)
if (result != null) {
patchIndices.add(result)
}
}
}.also { if (it.isEmpty()) return@methods }.let { patches ->
put(method, patches)
}
}
val methods = buildList {
classDef.methods.forEach { method ->
// Since the Sequence executes lazily,
// using any() results in only calling
// filterMap until the first index has been found.
val patchIndices = findPatchIndices(classDef, method)
if (patchIndices?.any() == true) {
add(method)
}
}
}.also { if (it.isEmpty()) return@forEach }.let { methodPatches ->
put(classDef, methodPatches)
}
if (methods.isNotEmpty()) {
put(classDef, methods)
}
}
}.forEach { (classDef, methods) ->
// And finally transform the instructions...
with(context.proxy(classDef).mutableClass) {
methods.forEach { (method, patches) ->
val mutableMethod = findMutableMethodOf(method)
while (!patches.isEmpty()) {
transform(mutableMethod, patches.removeLast())
}
// And finally transform the methods...
val mutableClass = context.proxy(classDef).mutableClass
methods.map(mutableClass::findMutableMethodOf).forEach methods@{ mutableMethod ->
val patchIndices = findPatchIndices(mutableClass, mutableMethod)?.toCollection(ArrayDeque())
?: return@methods
while (!patchIndices.isEmpty()) {
transform(mutableMethod, patchIndices.removeLast())
}
}
}