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// Copyright 2020 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package java
// This file contains the module implementations for android_app_import and android_test_import.
import (
"reflect"
"github.com/google/blueprint/proptools"
"android/soong/android"
"android/soong/provenance"
)
func init() {
RegisterAppImportBuildComponents(android.InitRegistrationContext)
initAndroidAppImportVariantGroupTypes()
}
func RegisterAppImportBuildComponents(ctx android.RegistrationContext) {
ctx.RegisterModuleType("android_app_import", AndroidAppImportFactory)
ctx.RegisterModuleType("android_test_import", AndroidTestImportFactory)
}
type AndroidAppImport struct {
android.ModuleBase
android.DefaultableModuleBase
android.ApexModuleBase
prebuilt android.Prebuilt
properties AndroidAppImportProperties
dpiVariants interface{}
archVariants interface{}
outputFile android.Path
certificate Certificate
dexpreopter
usesLibrary usesLibrary
preprocessed bool
installPath android.InstallPath
hideApexVariantFromMake bool
provenanceMetaDataFile android.OutputPath
}
type AndroidAppImportProperties struct {
// A prebuilt apk to import
Apk *string `android:"path"`
// The name of a certificate in the default certificate directory or an android_app_certificate
// module name in the form ":module". Should be empty if presigned or default_dev_cert is set.
Certificate *string
// Names of extra android_app_certificate modules to sign the apk with in the form ":module".
Additional_certificates []string
// Set this flag to true if the prebuilt apk is already signed. The certificate property must not
// be set for presigned modules.
Presigned *bool
// Name of the signing certificate lineage file or filegroup module.
Lineage *string `android:"path"`
// For overriding the --rotation-min-sdk-version property of apksig
RotationMinSdkVersion *string
// Sign with the default system dev certificate. Must be used judiciously. Most imported apps
// need to either specify a specific certificate or be presigned.
Default_dev_cert *bool
// Specifies that this app should be installed to the priv-app directory,
// where the system will grant it additional privileges not available to
// normal apps.
Privileged *bool
// Names of modules to be overridden. Listed modules can only be other binaries
// (in Make or Soong).
// This does not completely prevent installation of the overridden binaries, but if both
// binaries would be installed by default (in PRODUCT_PACKAGES) the other binary will be removed
// from PRODUCT_PACKAGES.
Overrides []string
// Optional name for the installed app. If unspecified, it is derived from the module name.
Filename *string
// If set, create package-export.apk, which other packages can
// use to get PRODUCT-agnostic resource data like IDs and type definitions.
Export_package_resources *bool
// Optional. Install to a subdirectory of the default install path for the module
Relative_install_path *string
}
func (a *AndroidAppImport) IsInstallable() bool {
return true
}
// Updates properties with variant-specific values.
func (a *AndroidAppImport) processVariants(ctx android.LoadHookContext) {
config := ctx.Config()
dpiProps := reflect.ValueOf(a.dpiVariants).Elem().FieldByName("Dpi_variants")
// Try DPI variant matches in the reverse-priority order so that the highest priority match
// overwrites everything else.
// TODO(jungjw): Can we optimize this by making it priority order?
for i := len(config.ProductAAPTPrebuiltDPI()) - 1; i >= 0; i-- {
MergePropertiesFromVariant(ctx, &a.properties, dpiProps, config.ProductAAPTPrebuiltDPI()[i])
}
if config.ProductAAPTPreferredConfig() != "" {
MergePropertiesFromVariant(ctx, &a.properties, dpiProps, config.ProductAAPTPreferredConfig())
}
archProps := reflect.ValueOf(a.archVariants).Elem().FieldByName("Arch")
archType := ctx.Config().AndroidFirstDeviceTarget.Arch.ArchType
MergePropertiesFromVariant(ctx, &a.properties, archProps, archType.Name)
if String(a.properties.Apk) == "" {
// Disable this module since the apk property is still empty after processing all matching
// variants. This likely means there is no matching variant, and the default variant doesn't
// have an apk property value either.
a.Disable()
}
}
func MergePropertiesFromVariant(ctx android.EarlyModuleContext,
dst interface{}, variantGroup reflect.Value, variant string) {
src := variantGroup.FieldByName(proptools.FieldNameForProperty(variant))
if !src.IsValid() {
return
}
err := proptools.ExtendMatchingProperties([]interface{}{dst}, src.Interface(), nil, proptools.OrderAppend)
if err != nil {
if propertyErr, ok := err.(*proptools.ExtendPropertyError); ok {
ctx.PropertyErrorf(propertyErr.Property, "%s", propertyErr.Err.Error())
} else {
panic(err)
}
}
}
func (a *AndroidAppImport) isPrebuiltFrameworkRes() bool {
return a.Name() == "prebuilt_framework-res"
}
func (a *AndroidAppImport) DepsMutator(ctx android.BottomUpMutatorContext) {
cert := android.SrcIsModule(String(a.properties.Certificate))
if cert != "" {
ctx.AddDependency(ctx.Module(), certificateTag, cert)
}
for _, cert := range a.properties.Additional_certificates {
cert = android.SrcIsModule(cert)
if cert != "" {
ctx.AddDependency(ctx.Module(), certificateTag, cert)
} else {
ctx.PropertyErrorf("additional_certificates",
`must be names of android_app_certificate modules in the form ":module"`)
}
}
a.usesLibrary.deps(ctx, !a.isPrebuiltFrameworkRes())
}
func (a *AndroidAppImport) uncompressEmbeddedJniLibs(
ctx android.ModuleContext, inputPath android.Path, outputPath android.OutputPath) {
// Test apps don't need their JNI libraries stored uncompressed. As a matter of fact, messing
// with them may invalidate pre-existing signature data.
if ctx.InstallInTestcases() && (Bool(a.properties.Presigned) || a.preprocessed) {
ctx.Build(pctx, android.BuildParams{
Rule: android.Cp,
Output: outputPath,
Input: inputPath,
})
return
}
rule := android.NewRuleBuilder(pctx, ctx)
rule.Command().
Textf(`if (zipinfo %s 'lib/*.so' 2>/dev/null | grep -v ' stor ' >/dev/null) ; then`, inputPath).
BuiltTool("zip2zip").
FlagWithInput("-i ", inputPath).
FlagWithOutput("-o ", outputPath).
FlagWithArg("-0 ", "'lib/**/*.so'").
Textf(`; else cp -f %s %s; fi`, inputPath, outputPath)
rule.Build("uncompress-embedded-jni-libs", "Uncompress embedded JIN libs")
}
// Returns whether this module should have the dex file stored uncompressed in the APK.
func (a *AndroidAppImport) shouldUncompressDex(ctx android.ModuleContext) bool {
if ctx.Config().UnbundledBuild() || a.preprocessed {
return false
}
// Uncompress dex in APKs of priv-apps if and only if DONT_UNCOMPRESS_PRIV_APPS_DEXS is false.
if a.Privileged() {
return ctx.Config().UncompressPrivAppDex()
}
return shouldUncompressDex(ctx, &a.dexpreopter)
}
func (a *AndroidAppImport) uncompressDex(
ctx android.ModuleContext, inputPath android.Path, outputPath android.OutputPath) {
rule := android.NewRuleBuilder(pctx, ctx)
rule.Command().
Textf(`if (zipinfo %s '*.dex' 2>/dev/null | grep -v ' stor ' >/dev/null) ; then`, inputPath).
BuiltTool("zip2zip").
FlagWithInput("-i ", inputPath).
FlagWithOutput("-o ", outputPath).
FlagWithArg("-0 ", "'classes*.dex'").
Textf(`; else cp -f %s %s; fi`, inputPath, outputPath)
rule.Build("uncompress-dex", "Uncompress dex files")
}
func (a *AndroidAppImport) GenerateAndroidBuildActions(ctx android.ModuleContext) {
a.generateAndroidBuildActions(ctx)
}
func (a *AndroidAppImport) InstallApkName() string {
return a.BaseModuleName()
}
func (a *AndroidAppImport) generateAndroidBuildActions(ctx android.ModuleContext) {
apexInfo := ctx.Provider(android.ApexInfoProvider).(android.ApexInfo)
if !apexInfo.IsForPlatform() {
a.hideApexVariantFromMake = true
}
numCertPropsSet := 0
if String(a.properties.Certificate) != "" {
numCertPropsSet++
}
if Bool(a.properties.Presigned) {
numCertPropsSet++
}
if Bool(a.properties.Default_dev_cert) {
numCertPropsSet++
}
if numCertPropsSet != 1 {
ctx.ModuleErrorf("One and only one of certficate, presigned, and default_dev_cert properties must be set")
}
_, certificates := collectAppDeps(ctx, a, false, false)
// TODO: LOCAL_EXTRACT_APK/LOCAL_EXTRACT_DPI_APK
// TODO: LOCAL_PACKAGE_SPLITS
srcApk := a.prebuilt.SingleSourcePath(ctx)
// TODO: Install or embed JNI libraries
// Uncompress JNI libraries in the apk
jnisUncompressed := android.PathForModuleOut(ctx, "jnis-uncompressed", ctx.ModuleName()+".apk")
a.uncompressEmbeddedJniLibs(ctx, srcApk, jnisUncompressed.OutputPath)
var pathFragments []string
relInstallPath := String(a.properties.Relative_install_path)
if a.isPrebuiltFrameworkRes() {
// framework-res.apk is installed as system/framework/framework-res.apk
if relInstallPath != "" {
ctx.PropertyErrorf("relative_install_path", "Relative_install_path cannot be set for framework-res")
}
pathFragments = []string{"framework"}
a.preprocessed = true
} else if Bool(a.properties.Privileged) {
pathFragments = []string{"priv-app", relInstallPath, a.BaseModuleName()}
} else if ctx.InstallInTestcases() {
pathFragments = []string{relInstallPath, a.BaseModuleName(), ctx.DeviceConfig().DeviceArch()}
} else {
pathFragments = []string{"app", relInstallPath, a.BaseModuleName()}
}
installDir := android.PathForModuleInstall(ctx, pathFragments...)
a.dexpreopter.isApp = true
a.dexpreopter.installPath = installDir.Join(ctx, a.BaseModuleName()+".apk")
a.dexpreopter.isPresignedPrebuilt = Bool(a.properties.Presigned)
a.dexpreopter.uncompressedDex = a.shouldUncompressDex(ctx)
a.dexpreopter.enforceUsesLibs = a.usesLibrary.enforceUsesLibraries()
a.dexpreopter.classLoaderContexts = a.usesLibrary.classLoaderContextForUsesLibDeps(ctx)
if a.usesLibrary.enforceUsesLibraries() {
srcApk = a.usesLibrary.verifyUsesLibrariesAPK(ctx, srcApk)
}
a.dexpreopter.dexpreopt(ctx, jnisUncompressed)
if a.dexpreopter.uncompressedDex {
dexUncompressed := android.PathForModuleOut(ctx, "dex-uncompressed", ctx.ModuleName()+".apk")
a.uncompressDex(ctx, jnisUncompressed, dexUncompressed.OutputPath)
jnisUncompressed = dexUncompressed
}
apkFilename := proptools.StringDefault(a.properties.Filename, a.BaseModuleName()+".apk")
// TODO: Handle EXTERNAL
// Sign or align the package if package has not been preprocessed
if a.isPrebuiltFrameworkRes() {
a.outputFile = srcApk
certificates = processMainCert(a.ModuleBase, String(a.properties.Certificate), certificates, ctx)
if len(certificates) != 1 {
ctx.ModuleErrorf("Unexpected number of certificates were extracted: %q", certificates)
}
a.certificate = certificates[0]
} else if a.preprocessed {
a.outputFile = srcApk
a.certificate = PresignedCertificate
} else if !Bool(a.properties.Presigned) {
// If the certificate property is empty at this point, default_dev_cert must be set to true.
// Which makes processMainCert's behavior for the empty cert string WAI.
certificates = processMainCert(a.ModuleBase, String(a.properties.Certificate), certificates, ctx)
a.certificate = certificates[0]
signed := android.PathForModuleOut(ctx, "signed", apkFilename)
var lineageFile android.Path
if lineage := String(a.properties.Lineage); lineage != "" {
lineageFile = android.PathForModuleSrc(ctx, lineage)
}
rotationMinSdkVersion := String(a.properties.RotationMinSdkVersion)
SignAppPackage(ctx, signed, jnisUncompressed, certificates, nil, lineageFile, rotationMinSdkVersion)
a.outputFile = signed
} else {
alignedApk := android.PathForModuleOut(ctx, "zip-aligned", apkFilename)
TransformZipAlign(ctx, alignedApk, jnisUncompressed)
a.outputFile = alignedApk
a.certificate = PresignedCertificate
}
// TODO: Optionally compress the output apk.
if apexInfo.IsForPlatform() {
a.installPath = ctx.InstallFile(installDir, apkFilename, a.outputFile)
artifactPath := android.PathForModuleSrc(ctx, *a.properties.Apk)
a.provenanceMetaDataFile = provenance.GenerateArtifactProvenanceMetaData(ctx, artifactPath, a.installPath)
}
// TODO: androidmk converter jni libs
}
func (a *AndroidAppImport) Prebuilt() *android.Prebuilt {
return &a.prebuilt
}
func (a *AndroidAppImport) Name() string {
return a.prebuilt.Name(a.ModuleBase.Name())
}
func (a *AndroidAppImport) OutputFile() android.Path {
return a.outputFile
}
func (a *AndroidAppImport) JacocoReportClassesFile() android.Path {
return nil
}
func (a *AndroidAppImport) Certificate() Certificate {
return a.certificate
}
func (a *AndroidAppImport) ProvenanceMetaDataFile() android.OutputPath {
return a.provenanceMetaDataFile
}
var dpiVariantGroupType reflect.Type
var archVariantGroupType reflect.Type
var supportedDpis = []string{"ldpi", "mdpi", "hdpi", "xhdpi", "xxhdpi", "xxxhdpi"}
func initAndroidAppImportVariantGroupTypes() {
dpiVariantGroupType = createVariantGroupType(supportedDpis, "Dpi_variants")
archNames := make([]string, len(android.ArchTypeList()))
for i, archType := range android.ArchTypeList() {
archNames[i] = archType.Name
}
archVariantGroupType = createVariantGroupType(archNames, "Arch")
}
// Populates all variant struct properties at creation time.
func (a *AndroidAppImport) populateAllVariantStructs() {
a.dpiVariants = reflect.New(dpiVariantGroupType).Interface()
a.AddProperties(a.dpiVariants)
a.archVariants = reflect.New(archVariantGroupType).Interface()
a.AddProperties(a.archVariants)
}
func (a *AndroidAppImport) Privileged() bool {
return Bool(a.properties.Privileged)
}
func (a *AndroidAppImport) DepIsInSameApex(_ android.BaseModuleContext, _ android.Module) bool {
// android_app_import might have extra dependencies via uses_libs property.
// Don't track the dependency as we don't automatically add those libraries
// to the classpath. It should be explicitly added to java_libs property of APEX
return false
}
func (a *AndroidAppImport) SdkVersion(ctx android.EarlyModuleContext) android.SdkSpec {
return android.SdkSpecPrivate
}
func (a *AndroidAppImport) MinSdkVersion(ctx android.EarlyModuleContext) android.SdkSpec {
return android.SdkSpecPrivate
}
func (a *AndroidAppImport) LintDepSets() LintDepSets {
return LintDepSets{}
}
var _ android.ApexModule = (*AndroidAppImport)(nil)
// Implements android.ApexModule
func (j *AndroidAppImport) ShouldSupportSdkVersion(ctx android.BaseModuleContext,
sdkVersion android.ApiLevel) error {
// Do not check for prebuilts against the min_sdk_version of enclosing APEX
return nil
}
func createVariantGroupType(variants []string, variantGroupName string) reflect.Type {
props := reflect.TypeOf((*AndroidAppImportProperties)(nil))
variantFields := make([]reflect.StructField, len(variants))
for i, variant := range variants {
variantFields[i] = reflect.StructField{
Name: proptools.FieldNameForProperty(variant),
Type: props,
}
}
variantGroupStruct := reflect.StructOf(variantFields)
return reflect.StructOf([]reflect.StructField{
{
Name: variantGroupName,
Type: variantGroupStruct,
},
})
}
// android_app_import imports a prebuilt apk with additional processing specified in the module.
// DPI-specific apk source files can be specified using dpi_variants. Example:
//
// android_app_import {
// name: "example_import",
// apk: "prebuilts/example.apk",
// dpi_variants: {
// mdpi: {
// apk: "prebuilts/example_mdpi.apk",
// },
// xhdpi: {
// apk: "prebuilts/example_xhdpi.apk",
// },
// },
// presigned: true,
// }
func AndroidAppImportFactory() android.Module {
module := &AndroidAppImport{}
module.AddProperties(&module.properties)
module.AddProperties(&module.dexpreoptProperties)
module.AddProperties(&module.usesLibrary.usesLibraryProperties)
module.populateAllVariantStructs()
android.AddLoadHook(module, func(ctx android.LoadHookContext) {
module.processVariants(ctx)
})
android.InitApexModule(module)
android.InitAndroidMultiTargetsArchModule(module, android.DeviceSupported, android.MultilibCommon)
android.InitDefaultableModule(module)
android.InitSingleSourcePrebuiltModule(module, &module.properties, "Apk")
module.usesLibrary.enforce = true
return module
}
type androidTestImportProperties struct {
// Whether the prebuilt apk can be installed without additional processing. Default is false.
Preprocessed *bool
}
type AndroidTestImport struct {
AndroidAppImport
testProperties testProperties
testImportProperties androidTestImportProperties
data android.Paths
}
func (a *AndroidTestImport) GenerateAndroidBuildActions(ctx android.ModuleContext) {
a.preprocessed = Bool(a.testImportProperties.Preprocessed)
a.generateAndroidBuildActions(ctx)
a.data = android.PathsForModuleSrc(ctx, a.testProperties.Data)
}
func (a *AndroidTestImport) InstallInTestcases() bool {
return true
}
// android_test_import imports a prebuilt test apk with additional processing specified in the
// module. DPI or arch variant configurations can be made as with android_app_import.
func AndroidTestImportFactory() android.Module {
module := &AndroidTestImport{}
module.AddProperties(&module.properties)
module.AddProperties(&module.dexpreoptProperties)
module.AddProperties(&module.testProperties)
module.AddProperties(&module.testImportProperties)
module.populateAllVariantStructs()
android.AddLoadHook(module, func(ctx android.LoadHookContext) {
module.processVariants(ctx)
})
module.dexpreopter.isTest = true
android.InitApexModule(module)
android.InitAndroidMultiTargetsArchModule(module, android.DeviceSupported, android.MultilibCommon)
android.InitDefaultableModule(module)
android.InitSingleSourcePrebuiltModule(module, &module.properties, "Apk")
return module
}