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1// Copyright 2020 Google Inc. All rights reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package java
16
17// This file contains the module implementation for android_app_set.
18
19import (
20	"strconv"
21	"strings"
22
23	"github.com/google/blueprint/proptools"
24
25	"android/soong/android"
26)
27
28func init() {
29	RegisterAppSetBuildComponents(android.InitRegistrationContext)
30}
31
32func RegisterAppSetBuildComponents(ctx android.RegistrationContext) {
33	ctx.RegisterModuleType("android_app_set", AndroidAppSetFactory)
34}
35
36type AndroidAppSetProperties struct {
37	// APK Set path
38	Set *string
39
40	// Specifies that this app should be installed to the priv-app directory,
41	// where the system will grant it additional privileges not available to
42	// normal apps.
43	Privileged *bool
44
45	// APKs in this set use prerelease SDK version
46	Prerelease *bool
47
48	// Names of modules to be overridden. Listed modules can only be other apps
49	//	(in Make or Soong).
50	Overrides []string
51
52	// Path to the .prebuilt_info file of the prebuilt app.
53	// In case of mainline modules, the .prebuilt_info file contains the build_id that was used
54	// to generate the prebuilt.
55	Prebuilt_info *string `android:"path"`
56}
57
58type AndroidAppSet struct {
59	android.ModuleBase
60	android.DefaultableModuleBase
61	prebuilt android.Prebuilt
62
63	properties    AndroidAppSetProperties
64	packedOutput  android.WritablePath
65	primaryOutput android.WritablePath
66	apkcertsFile  android.ModuleOutPath
67}
68
69func (as *AndroidAppSet) Name() string {
70	return as.prebuilt.Name(as.ModuleBase.Name())
71}
72
73func (as *AndroidAppSet) IsInstallable() bool {
74	return true
75}
76
77func (as *AndroidAppSet) Prebuilt() *android.Prebuilt {
78	return &as.prebuilt
79}
80
81func (as *AndroidAppSet) Privileged() bool {
82	return Bool(as.properties.Privileged)
83}
84
85func (as *AndroidAppSet) OutputFile() android.Path {
86	return as.primaryOutput
87}
88
89func (as *AndroidAppSet) PackedAdditionalOutputs() android.Path {
90	return as.packedOutput
91}
92
93func (as *AndroidAppSet) APKCertsFile() android.Path {
94	return as.apkcertsFile
95}
96
97var TargetCpuAbi = map[string]string{
98	"arm":   "ARMEABI_V7A",
99	"arm64": "ARM64_V8A",
100	// TODO: use "RISCV64" when that is supported in bundles
101	"riscv64": "ARM64_V8A",
102	"x86":     "X86",
103	"x86_64":  "X86_64",
104}
105
106func SupportedAbis(ctx android.ModuleContext, excludeNativeBridgeAbis bool) []string {
107	abiName := func(targetIdx int, deviceArch string) string {
108		if abi, found := TargetCpuAbi[deviceArch]; found {
109			return abi
110		}
111		ctx.ModuleErrorf("Target %d has invalid Arch: %s", targetIdx, deviceArch)
112		return "BAD_ABI"
113	}
114
115	var result []string
116	for i, target := range ctx.Config().Targets[android.Android] {
117		if target.NativeBridge == android.NativeBridgeEnabled && excludeNativeBridgeAbis {
118			continue
119		}
120		result = append(result, abiName(i, target.Arch.ArchType.String()))
121	}
122	return result
123}
124
125type prebuiltInfoProps struct {
126	baseModuleName string
127	isPrebuilt     bool
128	prebuiltInfo   *string
129}
130
131// Set prebuiltInfoProvider. This will be used by `apex_prebuiltinfo_singleton` to print out a metadata file
132// with information about whether source or prebuilt of an apex was used during the build.
133func providePrebuiltInfo(ctx android.ModuleContext, p prebuiltInfoProps) {
134	info := android.PrebuiltInfo{
135		Name:        p.baseModuleName,
136		Is_prebuilt: p.isPrebuilt,
137	}
138	// If Prebuilt_info information is available in the soong module definition, add it to prebuilt_info.json.
139	if p.prebuiltInfo != nil {
140		prebuiltInfoFile := android.PathForModuleSrc(ctx, *p.prebuiltInfo)
141		info.Prebuilt_info_file_path = prebuiltInfoFile.String()
142	}
143	android.SetProvider(ctx, android.PrebuiltInfoProvider, info)
144}
145
146func (as *AndroidAppSet) GenerateAndroidBuildActions(ctx android.ModuleContext) {
147	as.packedOutput = android.PathForModuleOut(ctx, ctx.ModuleName()+".zip")
148	as.primaryOutput = android.PathForModuleOut(ctx, as.BaseModuleName()+".apk")
149	as.apkcertsFile = android.PathForModuleOut(ctx, "apkcerts.txt")
150	// We are assuming here that the install file in the APK
151	// set has `.apk` suffix. If it doesn't the build will fail.
152	// APK sets containing APEX files are handled elsewhere.
153	screenDensities := "all"
154	if dpis := ctx.Config().ProductAAPTPrebuiltDPI(); len(dpis) > 0 {
155		screenDensities = strings.ToUpper(strings.Join(dpis, ","))
156	}
157	// TODO(asmundak): handle locales.
158	// TODO(asmundak): do we support device features
159	ctx.Build(pctx,
160		android.BuildParams{
161			Rule:            extractMatchingApks,
162			Description:     "Extract APKs from APK set",
163			Output:          as.primaryOutput,
164			ImplicitOutputs: android.WritablePaths{as.packedOutput, as.apkcertsFile},
165			Inputs:          android.Paths{as.prebuilt.SingleSourcePath(ctx)},
166			Args: map[string]string{
167				"abis":              strings.Join(SupportedAbis(ctx, false), ","),
168				"allow-prereleased": strconv.FormatBool(proptools.Bool(as.properties.Prerelease)),
169				"screen-densities":  screenDensities,
170				"sdk-version":       ctx.Config().PlatformSdkVersion().String(),
171				"skip-sdk-check":    strconv.FormatBool(ctx.Config().IsEnvTrue("SOONG_SKIP_APPSET_SDK_CHECK")),
172				"stem":              as.BaseModuleName(),
173				"apkcerts":          as.apkcertsFile.String(),
174				"partition":         as.PartitionTag(ctx.DeviceConfig()),
175				"zip":               as.packedOutput.String(),
176			},
177		})
178
179	var installDir android.InstallPath
180	if as.Privileged() {
181		installDir = android.PathForModuleInstall(ctx, "priv-app", as.BaseModuleName())
182	} else {
183		installDir = android.PathForModuleInstall(ctx, "app", as.BaseModuleName())
184	}
185	ctx.InstallFileWithExtraFilesZip(installDir, as.BaseModuleName()+".apk", as.primaryOutput, as.packedOutput)
186
187	providePrebuiltInfo(ctx,
188		prebuiltInfoProps{
189			baseModuleName: as.BaseModuleName(),
190			isPrebuilt:     true,
191			prebuiltInfo:   as.properties.Prebuilt_info,
192		},
193	)
194
195}
196
197func (as *AndroidAppSet) InstallBypassMake() bool { return true }
198
199// android_app_set extracts a set of APKs based on the target device
200// configuration and installs this set as "split APKs".
201// The extracted set always contains an APK whose name is
202// _module_name_.apk and every split APK matching target device.
203// The extraction of the density-specific splits depends on
204// PRODUCT_AAPT_PREBUILT_DPI variable. If present (its value should
205// be a list density names: LDPI, MDPI, HDPI, etc.), only listed
206// splits will be extracted. Otherwise all density-specific splits
207// will be extracted.
208func AndroidAppSetFactory() android.Module {
209	module := &AndroidAppSet{}
210	module.AddProperties(&module.properties)
211	InitJavaModule(module, android.DeviceSupported)
212	android.InitSingleSourcePrebuiltModule(module, &module.properties, "Set")
213	return module
214}
215