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Move all gradle files into folder app
Decouple java and native projects
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@@ -0,0 +1,122 @@
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import com.android.build.api.instrumentation.AsmClassVisitorFactory
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import com.android.build.api.instrumentation.ClassContext
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import com.android.build.api.instrumentation.ClassData
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import com.android.build.api.instrumentation.InstrumentationParameters
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import org.objectweb.asm.ClassVisitor
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import org.objectweb.asm.MethodVisitor
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import org.objectweb.asm.Opcodes
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import org.objectweb.asm.Opcodes.ASM9
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private const val DESUGAR_CLASS_NAME = "com.topjohnwu.magisk.core.utils.Desugar"
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private const val ZIP_ENTRY_CLASS_NAME = "java.util.zip.ZipEntry"
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private const val ZIP_OUT_STREAM_CLASS_NAME = "org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream"
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private const val ZIP_UTIL_CLASS_NAME = "org/apache/commons/compress/archivers/zip/ZipUtil"
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private const val ZIP_ENTRY_GET_TIME_DESC = "()Ljava/nio/file/attribute/FileTime;"
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private const val DESUGAR_GET_TIME_DESC =
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"(Ljava/util/zip/ZipEntry;)Ljava/nio/file/attribute/FileTime;"
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private fun ClassData.isTypeOf(name: String) = className == name || superClasses.contains(name)
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abstract class DesugarClassVisitorFactory : AsmClassVisitorFactory<InstrumentationParameters.None> {
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override fun createClassVisitor(
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classContext: ClassContext,
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nextClassVisitor: ClassVisitor
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): ClassVisitor {
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return if (classContext.currentClassData.className == ZIP_OUT_STREAM_CLASS_NAME) {
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ZipEntryPatcher(classContext, ZipOutputStreamPatcher(nextClassVisitor))
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} else {
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ZipEntryPatcher(classContext, nextClassVisitor)
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}
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}
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override fun isInstrumentable(classData: ClassData) = classData.className != DESUGAR_CLASS_NAME
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// Patch ALL references to ZipEntry#getXXXTime
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class ZipEntryPatcher(
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private val classContext: ClassContext,
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cv: ClassVisitor
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) : ClassVisitor(ASM9, cv) {
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override fun visitMethod(
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access: Int,
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name: String?,
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descriptor: String?,
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signature: String?,
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exceptions: Array<out String>?
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) = MethodPatcher(super.visitMethod(access, name, descriptor, signature, exceptions))
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inner class MethodPatcher(mv: MethodVisitor?) : MethodVisitor(ASM9, mv) {
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override fun visitMethodInsn(
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opcode: Int,
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owner: String,
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name: String,
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descriptor: String,
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isInterface: Boolean
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) {
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if (!process(owner, name, descriptor)) {
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super.visitMethodInsn(opcode, owner, name, descriptor, isInterface)
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}
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}
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private fun process(owner: String, name: String, descriptor: String): Boolean {
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val classData = classContext.loadClassData(owner.replace("/", ".")) ?: return false
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if (!classData.isTypeOf(ZIP_ENTRY_CLASS_NAME))
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return false
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if (descriptor != ZIP_ENTRY_GET_TIME_DESC)
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return false
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return when (name) {
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"getLastModifiedTime", "getLastAccessTime", "getCreationTime" -> {
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mv.visitMethodInsn(
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Opcodes.INVOKESTATIC,
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DESUGAR_CLASS_NAME.replace('.', '/'),
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name,
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DESUGAR_GET_TIME_DESC,
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false
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)
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true
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}
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else -> false
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}
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}
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}
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}
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// Patch ZipArchiveOutputStream#copyFromZipInputStream
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class ZipOutputStreamPatcher(cv: ClassVisitor) : ClassVisitor(ASM9, cv) {
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override fun visitMethod(
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access: Int,
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name: String,
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descriptor: String,
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signature: String?,
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exceptions: Array<out String?>?
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): MethodVisitor? {
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return if (name == "copyFromZipInputStream") {
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MethodPatcher(super.visitMethod(access, name, descriptor, signature, exceptions))
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} else {
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super.visitMethod(access, name, descriptor, signature, exceptions)
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}
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}
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class MethodPatcher(mv: MethodVisitor?) : MethodVisitor(ASM9, mv) {
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override fun visitMethodInsn(
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opcode: Int,
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owner: String,
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name: String,
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descriptor: String?,
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isInterface: Boolean
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) {
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if (owner == ZIP_UTIL_CLASS_NAME && name == "checkRequestedFeatures") {
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// Redirect
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mv.visitMethodInsn(
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Opcodes.INVOKESTATIC,
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DESUGAR_CLASS_NAME.replace('.', '/'),
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name,
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descriptor,
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false
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)
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} else {
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super.visitMethodInsn(opcode, owner, name, descriptor, isInterface)
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}
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}
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}
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}
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}
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