Files
Magisk/app/buildSrc/src/main/java/AddCommentTask.kt
2025-06-10 16:51:31 -07:00

77 lines
2.9 KiB
Kotlin

import com.android.build.api.artifact.ArtifactTransformationRequest
import com.android.build.api.dsl.ApkSigningConfig
import com.android.builder.internal.packaging.IncrementalPackager
import com.android.tools.build.apkzlib.sign.SigningExtension
import com.android.tools.build.apkzlib.sign.SigningOptions
import com.android.tools.build.apkzlib.zfile.ZFiles
import com.android.tools.build.apkzlib.zip.ZFileOptions
import org.gradle.api.DefaultTask
import org.gradle.api.file.DirectoryProperty
import org.gradle.api.provider.Property
import org.gradle.api.tasks.Input
import org.gradle.api.tasks.InputFiles
import org.gradle.api.tasks.Internal
import org.gradle.api.tasks.OutputDirectory
import org.gradle.api.tasks.TaskAction
import java.io.File
import java.security.KeyStore
import java.security.cert.X509Certificate
import java.util.jar.JarFile
abstract class AddCommentTask: DefaultTask() {
@get:Input
abstract val comment: Property<String>
@get:Input
abstract val signingConfig: Property<ApkSigningConfig>
@get:InputFiles
abstract val apkFolder: DirectoryProperty
@get:OutputDirectory
abstract val outFolder: DirectoryProperty
@get:Internal
abstract val transformationRequest: Property<ArtifactTransformationRequest<AddCommentTask>>
@TaskAction
fun taskAction() = transformationRequest.get().submit(this) { artifact ->
val inFile = File(artifact.outputFile)
val outFile = outFolder.file(inFile.name).get().asFile
val privateKey = signingConfig.get().getPrivateKey()
val signingOptions = SigningOptions.builder()
.setMinSdkVersion(0)
.setV1SigningEnabled(true)
.setV2SigningEnabled(true)
.setKey(privateKey.privateKey)
.setCertificates(privateKey.certificate as X509Certificate)
.setValidation(SigningOptions.Validation.ASSUME_INVALID)
.build()
val options = ZFileOptions().apply {
noTimestamps = true
autoSortFiles = true
}
outFile.parentFile?.mkdirs()
inFile.copyTo(outFile, overwrite = true)
ZFiles.apk(outFile, options).use {
SigningExtension(signingOptions).register(it)
it.eocdComment = comment.get().toByteArray()
it.get(IncrementalPackager.APP_METADATA_ENTRY_PATH)?.delete()
it.get(IncrementalPackager.VERSION_CONTROL_INFO_ENTRY_PATH)?.delete()
it.get(JarFile.MANIFEST_NAME)?.delete()
}
outFile
}
private fun ApkSigningConfig.getPrivateKey(): KeyStore.PrivateKeyEntry {
val keyStore = KeyStore.getInstance(storeType ?: KeyStore.getDefaultType())
storeFile!!.inputStream().use {
keyStore.load(it, storePassword!!.toCharArray())
}
val keyPwdArray = keyPassword!!.toCharArray()
val entry = keyStore.getEntry(keyAlias!!, KeyStore.PasswordProtection(keyPwdArray))
return entry as KeyStore.PrivateKeyEntry
}
}