1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
// Copyright 2019 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
import (
"github.com/google/blueprint"
"android/soong/android"
"android/soong/java/config"
)
var hiddenAPIGenerateCSVRule = pctx.AndroidStaticRule("hiddenAPIGenerateCSV", blueprint.RuleParams{
Command: "${config.Class2Greylist} --stub-api-flags ${stubAPIFlags} $in $outFlag $out",
CommandDeps: []string{"${config.Class2Greylist}"},
}, "outFlag", "stubAPIFlags")
type hiddenAPI struct {
flagsCSVPath android.Path
metadataCSVPath android.Path
bootDexJarPath android.Path
}
func (h *hiddenAPI) flagsCSV() android.Path {
return h.flagsCSVPath
}
func (h *hiddenAPI) metadataCSV() android.Path {
return h.metadataCSVPath
}
func (h *hiddenAPI) bootDexJar() android.Path {
return h.bootDexJarPath
}
type hiddenAPIIntf interface {
flagsCSV() android.Path
metadataCSV() android.Path
bootDexJar() android.Path
}
var _ hiddenAPIIntf = (*hiddenAPI)(nil)
func (h *hiddenAPI) hiddenAPI(ctx android.ModuleContext, dexJar android.ModuleOutPath, implementationJar android.Path,
uncompressDex bool) android.ModuleOutPath {
if !ctx.Config().IsEnvTrue("UNSAFE_DISABLE_HIDDENAPI_FLAGS") {
isBootJar := inList(ctx.ModuleName(), ctx.Config().BootJars())
if isBootJar || inList(ctx.ModuleName(), config.HiddenAPIExtraAppUsageJars) {
// Derive the greylist from classes jar.
flagsCSV := android.PathForModuleOut(ctx, "hiddenapi", "flags.csv")
metadataCSV := android.PathForModuleOut(ctx, "hiddenapi", "metadata.csv")
hiddenAPIGenerateCSV(ctx, flagsCSV, metadataCSV, implementationJar)
h.flagsCSVPath = flagsCSV
h.metadataCSVPath = metadataCSV
}
if isBootJar {
hiddenAPIJar := android.PathForModuleOut(ctx, "hiddenapi", ctx.ModuleName()+".jar")
h.bootDexJarPath = dexJar
hiddenAPIEncodeDex(ctx, hiddenAPIJar, dexJar, uncompressDex)
dexJar = hiddenAPIJar
}
}
return dexJar
}
func hiddenAPIGenerateCSV(ctx android.ModuleContext, flagsCSV, metadataCSV android.WritablePath,
classesJar android.Path) {
stubFlagsCSV := hiddenAPISingletonPaths(ctx).stubFlags
ctx.Build(pctx, android.BuildParams{
Rule: hiddenAPIGenerateCSVRule,
Description: "hiddenapi flags",
Input: classesJar,
Output: flagsCSV,
Implicit: stubFlagsCSV,
Args: map[string]string{
"outFlag": "--write-flags-csv",
"stubAPIFlags": stubFlagsCSV.String(),
},
})
ctx.Build(pctx, android.BuildParams{
Rule: hiddenAPIGenerateCSVRule,
Description: "hiddenapi metadata",
Input: classesJar,
Output: metadataCSV,
Implicit: stubFlagsCSV,
Args: map[string]string{
"outFlag": "--write-metadata-csv",
"stubAPIFlags": stubFlagsCSV.String(),
},
})
}
var hiddenAPIEncodeDexRule = pctx.AndroidStaticRule("hiddenAPIEncodeDex", blueprint.RuleParams{
Command: `rm -rf $tmpDir && mkdir -p $tmpDir && mkdir $tmpDir/dex-input && mkdir $tmpDir/dex-output && ` +
`unzip -o -q $in 'classes*.dex' -d $tmpDir/dex-input && ` +
`for INPUT_DEX in $$(find $tmpDir/dex-input -maxdepth 1 -name 'classes*.dex' | sort); do ` +
` echo "--input-dex=$${INPUT_DEX}"; ` +
` echo "--output-dex=$tmpDir/dex-output/$$(basename $${INPUT_DEX})"; ` +
`done | xargs ${config.HiddenAPI} encode --api-flags=$flagsCsv $hiddenapiFlags && ` +
`${config.SoongZipCmd} $soongZipFlags -o $tmpDir/dex.jar -C $tmpDir/dex-output -f "$tmpDir/dex-output/classes*.dex" && ` +
`${config.MergeZipsCmd} -D -zipToNotStrip $tmpDir/dex.jar -stripFile "classes*.dex" $out $tmpDir/dex.jar $in`,
CommandDeps: []string{
"${config.HiddenAPI}",
"${config.SoongZipCmd}",
"${config.MergeZipsCmd}",
},
}, "flagsCsv", "hiddenapiFlags", "tmpDir", "soongZipFlags")
func hiddenAPIEncodeDex(ctx android.ModuleContext, output android.WritablePath, dexInput android.Path,
uncompressDex bool) {
flagsCSV := hiddenAPISingletonPaths(ctx).flags
// The encode dex rule requires unzipping and rezipping the classes.dex files, ensure that if it was uncompressed
// in the input it stays uncompressed in the output.
soongZipFlags := ""
hiddenapiFlags := ""
tmpOutput := output
tmpDir := android.PathForModuleOut(ctx, "hiddenapi", "dex")
if uncompressDex {
soongZipFlags = "-L 0"
tmpOutput = android.PathForModuleOut(ctx, "hiddenapi", "unaligned", "unaligned.jar")
tmpDir = android.PathForModuleOut(ctx, "hiddenapi", "unaligned")
}
// If frameworks/base doesn't exist we must be building with the 'master-art' manifest.
// Disable assertion that all methods/fields have hidden API flags assigned.
if !ctx.Config().FrameworksBaseDirExists(ctx) {
hiddenapiFlags = "--no-force-assign-all"
}
ctx.Build(pctx, android.BuildParams{
Rule: hiddenAPIEncodeDexRule,
Description: "hiddenapi encode dex",
Input: dexInput,
Output: tmpOutput,
Implicit: flagsCSV,
Args: map[string]string{
"flagsCsv": flagsCSV.String(),
"tmpDir": tmpDir.String(),
"soongZipFlags": soongZipFlags,
"hiddenapiFlags": hiddenapiFlags,
},
})
if uncompressDex {
TransformZipAlign(ctx, output, tmpOutput)
}
}
|
