| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * 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 android.content.pm.parsing; |
| |
| import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME; |
| import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_MANIFEST_MALFORMED; |
| import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; |
| |
| import android.annotation.NonNull; |
| import android.app.admin.DeviceAdminReceiver; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.SigningDetails; |
| import android.content.pm.VerifierInfo; |
| import android.content.pm.parsing.result.ParseInput; |
| import android.content.pm.parsing.result.ParseResult; |
| import android.content.res.ApkAssets; |
| import android.content.res.XmlResourceParser; |
| import android.os.Build; |
| import android.os.Trace; |
| import android.text.TextUtils; |
| import android.util.ArrayMap; |
| import android.util.ArraySet; |
| import android.util.AttributeSet; |
| import android.util.Pair; |
| import android.util.Slog; |
| |
| import com.android.internal.util.ArrayUtils; |
| |
| import libcore.io.IoUtils; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.IOException; |
| import java.security.PublicKey; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Comparator; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.Set; |
| |
| /** @hide */ |
| public class ApkLiteParseUtils { |
| |
| private static final String TAG = "ApkLiteParseUtils"; |
| |
| private static final int PARSE_DEFAULT_INSTALL_LOCATION = |
| PackageInfo.INSTALL_LOCATION_UNSPECIFIED; |
| |
| private static final Comparator<String> sSplitNameComparator = new SplitNameComparator(); |
| |
| public static final String APK_FILE_EXTENSION = ".apk"; |
| |
| |
| // Constants copied from services.jar side since they're not accessible |
| private static final String ANDROID_RES_NAMESPACE = |
| "http://schemas.android.com/apk/res/android"; |
| private static final int DEFAULT_MIN_SDK_VERSION = 1; |
| private static final int DEFAULT_TARGET_SDK_VERSION = 0; |
| public static final String ANDROID_MANIFEST_FILENAME = "AndroidManifest.xml"; |
| private static final int PARSE_IS_SYSTEM_DIR = 1 << 4; |
| private static final int PARSE_COLLECT_CERTIFICATES = 1 << 5; |
| private static final String TAG_APPLICATION = "application"; |
| private static final String TAG_PACKAGE_VERIFIER = "package-verifier"; |
| private static final String TAG_PROFILEABLE = "profileable"; |
| private static final String TAG_RECEIVER = "receiver"; |
| private static final String TAG_OVERLAY = "overlay"; |
| private static final String TAG_USES_SDK = "uses-sdk"; |
| private static final String TAG_USES_SPLIT = "uses-split"; |
| private static final String TAG_MANIFEST = "manifest"; |
| private static final String TAG_SDK_LIBRARY = "sdk-library"; |
| private static final int SDK_VERSION = Build.VERSION.SDK_INT; |
| private static final String[] SDK_CODENAMES = Build.VERSION.ACTIVE_CODENAMES; |
| |
| /** |
| * Parse only lightweight details about the package at the given location. |
| * Automatically detects if the package is a monolithic style (single APK |
| * file) or cluster style (directory of APKs). |
| * <p> |
| * This performs validity checking on cluster style packages, such as |
| * requiring identical package name and version codes, a single base APK, |
| * and unique split names. |
| */ |
| public static ParseResult<PackageLite> parsePackageLite(ParseInput input, |
| File packageFile, int flags) { |
| if (packageFile.isDirectory()) { |
| return parseClusterPackageLite(input, packageFile, flags); |
| } else { |
| return parseMonolithicPackageLite(input, packageFile, flags); |
| } |
| } |
| |
| /** |
| * Parse lightweight details about a single APK file. |
| */ |
| public static ParseResult<PackageLite> parseMonolithicPackageLite(ParseInput input, |
| File packageFile, int flags) { |
| Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parseApkLite"); |
| try { |
| final ParseResult<ApkLite> result = parseApkLite(input, packageFile, flags); |
| if (result.isError()) { |
| return input.error(result); |
| } |
| |
| final ApkLite baseApk = result.getResult(); |
| final String packagePath = packageFile.getAbsolutePath(); |
| return input.success( |
| new PackageLite(packagePath, baseApk.getPath(), baseApk, null /* splitNames */, |
| null /* isFeatureSplits */, null /* usesSplitNames */, |
| null /* configForSplit */, null /* splitApkPaths */, |
| null /* splitRevisionCodes */, baseApk.getTargetSdkVersion(), |
| null /* requiredSplitTypes */, null /* splitTypes */)); |
| } finally { |
| Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); |
| } |
| } |
| |
| /** |
| * Parse lightweight details about a single APK file passed as an FD. |
| */ |
| public static ParseResult<PackageLite> parseMonolithicPackageLite(ParseInput input, |
| FileDescriptor packageFd, String debugPathName, int flags) { |
| Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parseApkLite"); |
| try { |
| final ParseResult<ApkLite> result = parseApkLite(input, packageFd, debugPathName, |
| flags); |
| if (result.isError()) { |
| return input.error(result); |
| } |
| |
| final ApkLite baseApk = result.getResult(); |
| final String packagePath = debugPathName; |
| return input.success( |
| new PackageLite(packagePath, baseApk.getPath(), baseApk, null /* splitNames */, |
| null /* isFeatureSplits */, null /* usesSplitNames */, |
| null /* configForSplit */, null /* splitApkPaths */, |
| null /* splitRevisionCodes */, baseApk.getTargetSdkVersion(), |
| null /* requiredSplitTypes */, null /* splitTypes */)); |
| } finally { |
| Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); |
| } |
| } |
| |
| /** |
| * Parse lightweight details about a directory of APKs. |
| * |
| * @param packageDir is the folder that contains split apks for a regular app |
| */ |
| public static ParseResult<PackageLite> parseClusterPackageLite(ParseInput input, |
| File packageDir, int flags) { |
| final File[] files; |
| files = packageDir.listFiles(); |
| if (ArrayUtils.isEmpty(files)) { |
| return input.error(PackageManager.INSTALL_PARSE_FAILED_NOT_APK, |
| "No packages found in split"); |
| } |
| // Apk directory is directly nested under the current directory |
| if (files.length == 1 && files[0].isDirectory()) { |
| return parseClusterPackageLite(input, files[0], flags); |
| } |
| |
| String packageName = null; |
| int versionCode = 0; |
| ApkLite baseApk = null; |
| |
| final ArrayMap<String, ApkLite> apks = new ArrayMap<>(); |
| Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parseApkLite"); |
| try { |
| for (File file : files) { |
| if (!isApkFile(file)) { |
| continue; |
| } |
| |
| final ParseResult<ApkLite> result = parseApkLite(input, file, flags); |
| if (result.isError()) { |
| return input.error(result); |
| } |
| |
| final ApkLite lite = result.getResult(); |
| // Assert that all package names and version codes are |
| // consistent with the first one we encounter. |
| if (packageName == null) { |
| packageName = lite.getPackageName(); |
| versionCode = lite.getVersionCode(); |
| } else { |
| if (!packageName.equals(lite.getPackageName())) { |
| return input.error(PackageManager.INSTALL_PARSE_FAILED_BAD_MANIFEST, |
| "Inconsistent package " + lite.getPackageName() + " in " + file |
| + "; expected " + packageName); |
| } |
| if (versionCode != lite.getVersionCode()) { |
| return input.error(PackageManager.INSTALL_PARSE_FAILED_BAD_MANIFEST, |
| "Inconsistent version " + lite.getVersionCode() + " in " + file |
| + "; expected " + versionCode); |
| } |
| } |
| |
| // Assert that each split is defined only once |
| ApkLite prev = apks.put(lite.getSplitName(), lite); |
| if (prev != null) { |
| return input.error(PackageManager.INSTALL_PARSE_FAILED_BAD_MANIFEST, |
| "Split name " + lite.getSplitName() |
| + " defined more than once; most recent was " + file |
| + ", previous was " + prev.getPath()); |
| } |
| } |
| baseApk = apks.remove(null); |
| } finally { |
| Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); |
| } |
| return composePackageLiteFromApks(input, packageDir, baseApk, apks); |
| } |
| |
| /** |
| * Utility method that retrieves lightweight details about the package by given location, |
| * base APK, and split APKs. |
| * |
| * @param packageDir Path to the package |
| * @param baseApk Parsed base APK |
| * @param splitApks Parsed split APKs |
| * @return PackageLite |
| */ |
| public static ParseResult<PackageLite> composePackageLiteFromApks(ParseInput input, |
| File packageDir, ApkLite baseApk, ArrayMap<String, ApkLite> splitApks) { |
| return composePackageLiteFromApks(input, packageDir, baseApk, splitApks, false); |
| } |
| |
| /** |
| * Utility method that retrieves lightweight details about the package by given location, |
| * base APK, and split APKs. |
| * |
| * @param packageDir Path to the package |
| * @param baseApk Parsed base APK |
| * @param splitApks Parsed split APKs |
| * @param apkRenamed Indicate whether the APKs are renamed after parsed. |
| * @return PackageLite |
| */ |
| public static ParseResult<PackageLite> composePackageLiteFromApks( |
| ParseInput input, File packageDir, ApkLite baseApk, |
| ArrayMap<String, ApkLite> splitApks, boolean apkRenamed) { |
| if (baseApk == null) { |
| return input.error(PackageManager.INSTALL_PARSE_FAILED_BAD_MANIFEST, |
| "Missing base APK in " + packageDir); |
| } |
| // Always apply deterministic ordering based on splitName |
| final int size = ArrayUtils.size(splitApks); |
| |
| String[] splitNames = null; |
| Set<String>[] requiredSplitTypes = null; |
| Set<String>[] splitTypes = null; |
| boolean[] isFeatureSplits = null; |
| String[] usesSplitNames = null; |
| String[] configForSplits = null; |
| String[] splitCodePaths = null; |
| int[] splitRevisionCodes = null; |
| if (size > 0) { |
| splitNames = new String[size]; |
| requiredSplitTypes = new Set[size]; |
| splitTypes = new Set[size]; |
| isFeatureSplits = new boolean[size]; |
| usesSplitNames = new String[size]; |
| configForSplits = new String[size]; |
| splitCodePaths = new String[size]; |
| splitRevisionCodes = new int[size]; |
| |
| splitNames = splitApks.keySet().toArray(splitNames); |
| Arrays.sort(splitNames, sSplitNameComparator); |
| |
| for (int i = 0; i < size; i++) { |
| final ApkLite apk = splitApks.get(splitNames[i]); |
| requiredSplitTypes[i] = apk.getRequiredSplitTypes(); |
| splitTypes[i] = apk.getSplitTypes(); |
| usesSplitNames[i] = apk.getUsesSplitName(); |
| isFeatureSplits[i] = apk.isFeatureSplit(); |
| configForSplits[i] = apk.getConfigForSplit(); |
| splitCodePaths[i] = apkRenamed ? new File(packageDir, |
| splitNameToFileName(apk)).getAbsolutePath() : apk.getPath(); |
| splitRevisionCodes[i] = apk.getRevisionCode(); |
| } |
| } |
| |
| final String codePath = packageDir.getAbsolutePath(); |
| final String baseCodePath = apkRenamed ? new File(packageDir, |
| splitNameToFileName(baseApk)).getAbsolutePath() : baseApk.getPath(); |
| return input.success( |
| new PackageLite(codePath, baseCodePath, baseApk, splitNames, isFeatureSplits, |
| usesSplitNames, configForSplits, splitCodePaths, splitRevisionCodes, |
| baseApk.getTargetSdkVersion(), requiredSplitTypes, splitTypes)); |
| } |
| |
| /** |
| * Utility method that retrieves canonical file name by given split name from parsed APK. |
| * |
| * @param apk Parsed APK |
| * @return The canonical file name |
| */ |
| public static String splitNameToFileName(@NonNull ApkLite apk) { |
| Objects.requireNonNull(apk); |
| final String fileName = apk.getSplitName() == null ? "base" : "split_" + apk.getSplitName(); |
| return fileName + APK_FILE_EXTENSION; |
| } |
| |
| /** |
| * Utility method that retrieves lightweight details about a single APK |
| * file, including package name, split name, and install location. |
| * |
| * @param apkFile path to a single APK |
| * @param flags optional parse flags, such as |
| * {@link ParsingPackageUtils#PARSE_COLLECT_CERTIFICATES} |
| */ |
| public static ParseResult<ApkLite> parseApkLite(ParseInput input, File apkFile, int flags) { |
| return parseApkLiteInner(input, apkFile, null, null, flags); |
| } |
| |
| /** |
| * Utility method that retrieves lightweight details about a single APK |
| * file, including package name, split name, and install location. |
| * |
| * @param fd already open file descriptor of an apk file |
| * @param debugPathName arbitrary text name for this file, for debug output |
| * @param flags optional parse flags, such as |
| * {@link ParsingPackageUtils#PARSE_COLLECT_CERTIFICATES} |
| */ |
| public static ParseResult<ApkLite> parseApkLite(ParseInput input, |
| FileDescriptor fd, String debugPathName, int flags) { |
| return parseApkLiteInner(input, null, fd, debugPathName, flags); |
| } |
| |
| private static ParseResult<ApkLite> parseApkLiteInner(ParseInput input, |
| File apkFile, FileDescriptor fd, String debugPathName, int flags) { |
| final String apkPath = fd != null ? debugPathName : apkFile.getAbsolutePath(); |
| |
| XmlResourceParser parser = null; |
| ApkAssets apkAssets = null; |
| try { |
| try { |
| apkAssets = fd != null |
| ? ApkAssets.loadFromFd(fd, debugPathName, 0 /* flags */, null /* assets */) |
| : ApkAssets.loadFromPath(apkPath); |
| } catch (IOException e) { |
| return input.error(PackageManager.INSTALL_PARSE_FAILED_NOT_APK, |
| "Failed to parse " + apkPath, e); |
| } |
| |
| parser = apkAssets.openXml(ANDROID_MANIFEST_FILENAME); |
| |
| final SigningDetails signingDetails; |
| if ((flags & PARSE_COLLECT_CERTIFICATES) != 0) { |
| final boolean skipVerify = (flags & PARSE_IS_SYSTEM_DIR) != 0; |
| Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); |
| try { |
| final ParseResult<SigningDetails> result = |
| FrameworkParsingPackageUtils.getSigningDetails(input, |
| apkFile.getAbsolutePath(), |
| skipVerify, /* isStaticSharedLibrary */ false, |
| SigningDetails.UNKNOWN, DEFAULT_TARGET_SDK_VERSION); |
| if (result.isError()) { |
| return input.error(result); |
| } |
| signingDetails = result.getResult(); |
| } finally { |
| Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); |
| } |
| } else { |
| signingDetails = SigningDetails.UNKNOWN; |
| } |
| |
| return parseApkLite(input, apkPath, parser, signingDetails, flags); |
| } catch (XmlPullParserException | IOException | RuntimeException e) { |
| Slog.w(TAG, "Failed to parse " + apkPath, e); |
| return input.error(PackageManager.INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION, |
| "Failed to parse " + apkPath, e); |
| } finally { |
| IoUtils.closeQuietly(parser); |
| if (apkAssets != null) { |
| try { |
| apkAssets.close(); |
| } catch (Throwable ignored) { |
| } |
| } |
| // TODO(b/72056911): Implement AutoCloseable on ApkAssets. |
| } |
| } |
| |
| private static ParseResult<ApkLite> parseApkLite(ParseInput input, String codePath, |
| XmlResourceParser parser, SigningDetails signingDetails, int flags) |
| throws IOException, XmlPullParserException { |
| ParseResult<Pair<String, String>> result = parsePackageSplitNames(input, parser); |
| if (result.isError()) { |
| return input.error(result); |
| } |
| Pair<String, String> packageSplit = result.getResult(); |
| |
| final ParseResult<Pair<Set<String>, Set<String>>> requiredSplitTypesResult = |
| parseRequiredSplitTypes(input, parser); |
| if (requiredSplitTypesResult.isError()) { |
| return input.error(result); |
| } |
| Pair<Set<String>, Set<String>> requiredSplitTypes = requiredSplitTypesResult.getResult(); |
| |
| int installLocation = parser.getAttributeIntValue(ANDROID_RES_NAMESPACE, |
| "installLocation", PARSE_DEFAULT_INSTALL_LOCATION); |
| int versionCode = parser.getAttributeIntValue(ANDROID_RES_NAMESPACE, "versionCode", 0); |
| int versionCodeMajor = parser.getAttributeIntValue(ANDROID_RES_NAMESPACE, |
| "versionCodeMajor", |
| 0); |
| int revisionCode = parser.getAttributeIntValue(ANDROID_RES_NAMESPACE, "revisionCode", 0); |
| boolean coreApp = parser.getAttributeBooleanValue(null, "coreApp", false); |
| boolean isolatedSplits = parser.getAttributeBooleanValue(ANDROID_RES_NAMESPACE, |
| "isolatedSplits", false); |
| boolean isFeatureSplit = parser.getAttributeBooleanValue(ANDROID_RES_NAMESPACE, |
| "isFeatureSplit", false); |
| boolean isSplitRequired = parser.getAttributeBooleanValue(ANDROID_RES_NAMESPACE, |
| "isSplitRequired", false); |
| String configForSplit = parser.getAttributeValue(null, "configForSplit"); |
| |
| int targetSdkVersion = DEFAULT_TARGET_SDK_VERSION; |
| int minSdkVersion = DEFAULT_MIN_SDK_VERSION; |
| boolean debuggable = false; |
| boolean profilableByShell = false; |
| boolean multiArch = false; |
| boolean use32bitAbi = false; |
| boolean extractNativeLibs = true; |
| boolean useEmbeddedDex = false; |
| String usesSplitName = null; |
| String targetPackage = null; |
| boolean overlayIsStatic = false; |
| int overlayPriority = 0; |
| int rollbackDataPolicy = 0; |
| |
| String requiredSystemPropertyName = null; |
| String requiredSystemPropertyValue = null; |
| |
| boolean hasDeviceAdminReceiver = false; |
| |
| boolean isSdkLibrary = false; |
| |
| // Only search the tree when the tag is the direct child of <manifest> tag |
| int type; |
| final int searchDepth = parser.getDepth() + 1; |
| |
| final List<VerifierInfo> verifiers = new ArrayList<>(); |
| while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| && (type != XmlPullParser.END_TAG || parser.getDepth() >= searchDepth)) { |
| if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| continue; |
| } |
| |
| if (parser.getDepth() != searchDepth) { |
| continue; |
| } |
| |
| if (TAG_PACKAGE_VERIFIER.equals(parser.getName())) { |
| final VerifierInfo verifier = parseVerifier(parser); |
| if (verifier != null) { |
| verifiers.add(verifier); |
| } |
| } else if (TAG_APPLICATION.equals(parser.getName())) { |
| debuggable = parser.getAttributeBooleanValue(ANDROID_RES_NAMESPACE, "debuggable", |
| false); |
| multiArch = parser.getAttributeBooleanValue(ANDROID_RES_NAMESPACE, "multiArch", |
| false); |
| use32bitAbi = parser.getAttributeBooleanValue(ANDROID_RES_NAMESPACE, "use32bitAbi", |
| false); |
| extractNativeLibs = parser.getAttributeBooleanValue(ANDROID_RES_NAMESPACE, |
| "extractNativeLibs", true); |
| useEmbeddedDex = parser.getAttributeBooleanValue(ANDROID_RES_NAMESPACE, |
| "useEmbeddedDex", false); |
| rollbackDataPolicy = parser.getAttributeIntValue(ANDROID_RES_NAMESPACE, |
| "rollbackDataPolicy", 0); |
| String permission = parser.getAttributeValue(ANDROID_RES_NAMESPACE, |
| "permission"); |
| boolean hasBindDeviceAdminPermission = |
| android.Manifest.permission.BIND_DEVICE_ADMIN.equals(permission); |
| |
| final int innerDepth = parser.getDepth(); |
| int innerType; |
| while ((innerType = parser.next()) != XmlPullParser.END_DOCUMENT |
| && (innerType != XmlPullParser.END_TAG || parser.getDepth() > innerDepth)) { |
| if (innerType == XmlPullParser.END_TAG || innerType == XmlPullParser.TEXT) { |
| continue; |
| } |
| |
| if (parser.getDepth() != innerDepth + 1) { |
| // Search only under <application>. |
| continue; |
| } |
| |
| if (TAG_PROFILEABLE.equals(parser.getName())) { |
| profilableByShell = parser.getAttributeBooleanValue(ANDROID_RES_NAMESPACE, |
| "shell", profilableByShell); |
| } else if (TAG_RECEIVER.equals(parser.getName())) { |
| hasDeviceAdminReceiver |= isDeviceAdminReceiver( |
| parser, hasBindDeviceAdminPermission); |
| } else if (TAG_SDK_LIBRARY.equals(parser.getName())) { |
| isSdkLibrary = true; |
| } |
| } |
| } else if (TAG_OVERLAY.equals(parser.getName())) { |
| requiredSystemPropertyName = parser.getAttributeValue(ANDROID_RES_NAMESPACE, |
| "requiredSystemPropertyName"); |
| requiredSystemPropertyValue = parser.getAttributeValue(ANDROID_RES_NAMESPACE, |
| "requiredSystemPropertyValue"); |
| targetPackage = parser.getAttributeValue(ANDROID_RES_NAMESPACE, "targetPackage"); |
| overlayIsStatic = parser.getAttributeBooleanValue(ANDROID_RES_NAMESPACE, "isStatic", |
| false); |
| overlayPriority = parser.getAttributeIntValue(ANDROID_RES_NAMESPACE, "priority", 0); |
| } else if (TAG_USES_SPLIT.equals(parser.getName())) { |
| if (usesSplitName != null) { |
| Slog.w(TAG, "Only one <uses-split> permitted. Ignoring others."); |
| continue; |
| } |
| |
| usesSplitName = parser.getAttributeValue(ANDROID_RES_NAMESPACE, "name"); |
| if (usesSplitName == null) { |
| return input.error(PackageManager.INSTALL_PARSE_FAILED_MANIFEST_MALFORMED, |
| "<uses-split> tag requires 'android:name' attribute"); |
| } |
| } else if (TAG_USES_SDK.equals(parser.getName())) { |
| // Mirrors FrameworkParsingPackageUtils#parseUsesSdk until lite and full parsing is combined |
| String minSdkVersionString = parser.getAttributeValue(ANDROID_RES_NAMESPACE, |
| "minSdkVersion"); |
| String targetSdkVersionString = parser.getAttributeValue(ANDROID_RES_NAMESPACE, |
| "targetSdkVersion"); |
| |
| int minVer = DEFAULT_MIN_SDK_VERSION; |
| String minCode = null; |
| boolean minAssigned = false; |
| int targetVer = DEFAULT_TARGET_SDK_VERSION; |
| String targetCode = null; |
| |
| if (!TextUtils.isEmpty(minSdkVersionString)) { |
| try { |
| minVer = Integer.parseInt(minSdkVersionString); |
| minAssigned = true; |
| } catch (NumberFormatException ignored) { |
| minCode = minSdkVersionString; |
| minAssigned = !TextUtils.isEmpty(minCode); |
| } |
| } |
| |
| if (!TextUtils.isEmpty(targetSdkVersionString)) { |
| try { |
| targetVer = Integer.parseInt(targetSdkVersionString); |
| } catch (NumberFormatException ignored) { |
| targetCode = targetSdkVersionString; |
| if (!minAssigned) { |
| minCode = targetCode; |
| } |
| } |
| } else { |
| targetVer = minVer; |
| targetCode = minCode; |
| } |
| |
| boolean allowUnknownCodenames = false; |
| if ((flags & FrameworkParsingPackageUtils.PARSE_APK_IN_APEX) != 0) { |
| allowUnknownCodenames = true; |
| } |
| |
| ParseResult<Integer> targetResult = FrameworkParsingPackageUtils.computeTargetSdkVersion( |
| targetVer, targetCode, SDK_CODENAMES, input, |
| allowUnknownCodenames); |
| if (targetResult.isError()) { |
| return input.error(targetResult); |
| } |
| targetSdkVersion = targetResult.getResult(); |
| |
| ParseResult<Integer> minResult = FrameworkParsingPackageUtils.computeMinSdkVersion( |
| minVer, minCode, SDK_VERSION, SDK_CODENAMES, input); |
| if (minResult.isError()) { |
| return input.error(minResult); |
| } |
| minSdkVersion = minResult.getResult(); |
| } |
| } |
| |
| // Check to see if overlay should be excluded based on system property condition |
| if ((flags & FrameworkParsingPackageUtils.PARSE_IGNORE_OVERLAY_REQUIRED_SYSTEM_PROPERTY) |
| == 0 && !FrameworkParsingPackageUtils.checkRequiredSystemProperties( |
| requiredSystemPropertyName, requiredSystemPropertyValue)) { |
| String message = "Skipping target and overlay pair " + targetPackage + " and " |
| + codePath + ": overlay ignored due to required system property: " |
| + requiredSystemPropertyName + " with value: " + requiredSystemPropertyValue; |
| Slog.i(TAG, message); |
| return input.skip(message); |
| } |
| |
| return input.success( |
| new ApkLite(codePath, packageSplit.first, packageSplit.second, isFeatureSplit, |
| configForSplit, usesSplitName, isSplitRequired, versionCode, |
| versionCodeMajor, revisionCode, installLocation, verifiers, signingDetails, |
| coreApp, debuggable, profilableByShell, multiArch, use32bitAbi, |
| useEmbeddedDex, extractNativeLibs, isolatedSplits, targetPackage, |
| overlayIsStatic, overlayPriority, requiredSystemPropertyName, |
| requiredSystemPropertyValue, minSdkVersion, targetSdkVersion, |
| rollbackDataPolicy, requiredSplitTypes.first, requiredSplitTypes.second, |
| hasDeviceAdminReceiver, isSdkLibrary)); |
| } |
| |
| private static boolean isDeviceAdminReceiver( |
| XmlResourceParser parser, boolean applicationHasBindDeviceAdminPermission) |
| throws XmlPullParserException, IOException { |
| String permission = parser.getAttributeValue(ANDROID_RES_NAMESPACE, |
| "permission"); |
| if (!applicationHasBindDeviceAdminPermission |
| && !android.Manifest.permission.BIND_DEVICE_ADMIN.equals(permission)) { |
| return false; |
| } |
| |
| boolean hasDeviceAdminReceiver = false; |
| final int depth = parser.getDepth(); |
| int type; |
| while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| && (type != XmlPullParser.END_TAG || parser.getDepth() > depth)) { |
| if (type == XmlPullParser.END_TAG |
| || type == XmlPullParser.TEXT) { |
| continue; |
| } |
| if (parser.getDepth() != depth + 1) { |
| // Search only under <receiver>. |
| continue; |
| } |
| if (!hasDeviceAdminReceiver && "meta-data".equals(parser.getName())) { |
| String name = parser.getAttributeValue(ANDROID_RES_NAMESPACE, |
| "name"); |
| if (DeviceAdminReceiver.DEVICE_ADMIN_META_DATA.equals(name)) { |
| hasDeviceAdminReceiver = true; |
| } |
| } |
| } |
| return hasDeviceAdminReceiver; |
| } |
| |
| public static ParseResult<Pair<String, String>> parsePackageSplitNames(ParseInput input, |
| XmlResourceParser parser) throws IOException, XmlPullParserException { |
| int type; |
| while ((type = parser.next()) != XmlPullParser.START_TAG |
| && type != XmlPullParser.END_DOCUMENT) { |
| } |
| |
| if (type != XmlPullParser.START_TAG) { |
| return input.error(INSTALL_PARSE_FAILED_MANIFEST_MALFORMED, |
| "No start tag found"); |
| } |
| if (!parser.getName().equals(TAG_MANIFEST)) { |
| return input.error(INSTALL_PARSE_FAILED_MANIFEST_MALFORMED, |
| "No <manifest> tag"); |
| } |
| |
| final String packageName = parser.getAttributeValue(null, "package"); |
| if (!"android".equals(packageName)) { |
| final ParseResult<?> nameResult = FrameworkParsingPackageUtils.validateName(input, |
| packageName, true, true); |
| if (nameResult.isError()) { |
| return input.error(INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, |
| "Invalid manifest package: " + nameResult.getErrorMessage()); |
| } |
| } |
| |
| String splitName = parser.getAttributeValue(null, "split"); |
| if (splitName != null) { |
| if (splitName.length() == 0) { |
| splitName = null; |
| } else { |
| final ParseResult<?> nameResult = FrameworkParsingPackageUtils.validateName(input, |
| splitName, false, false); |
| if (nameResult.isError()) { |
| return input.error(INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, |
| "Invalid manifest split: " + nameResult.getErrorMessage()); |
| } |
| } |
| } |
| |
| return input.success(Pair.create(packageName.intern(), |
| (splitName != null) ? splitName.intern() : splitName)); |
| } |
| |
| /** |
| * Utility method that parses attributes android:requiredSplitTypes and android:splitTypes. |
| */ |
| public static ParseResult<Pair<Set<String>, Set<String>>> parseRequiredSplitTypes( |
| ParseInput input, XmlResourceParser parser) { |
| Set<String> requiredSplitTypes = null; |
| Set<String> splitTypes = null; |
| String value = parser.getAttributeValue(ANDROID_RES_NAMESPACE, "requiredSplitTypes"); |
| if (!TextUtils.isEmpty(value)) { |
| final ParseResult<Set<String>> result = separateAndValidateSplitTypes(input, value); |
| if (result.isError()) { |
| return input.error(result); |
| } |
| requiredSplitTypes = result.getResult(); |
| } |
| |
| value = parser.getAttributeValue(ANDROID_RES_NAMESPACE, "splitTypes"); |
| if (!TextUtils.isEmpty(value)) { |
| final ParseResult<Set<String>> result = separateAndValidateSplitTypes(input, value); |
| if (result.isError()) { |
| return input.error(result); |
| } |
| splitTypes = result.getResult(); |
| } |
| |
| return input.success(Pair.create(requiredSplitTypes, splitTypes)); |
| } |
| |
| private static ParseResult<Set<String>> separateAndValidateSplitTypes(ParseInput input, |
| String values) { |
| final Set<String> ret = new ArraySet<>(); |
| for (String value : values.trim().split(",")) { |
| final String type = value.trim(); |
| // Using requireFilename as true because it limits length of the name to the |
| // {@link #MAX_FILE_NAME_SIZE}. |
| final ParseResult<?> nameResult = FrameworkParsingPackageUtils.validateName(input, type, |
| false /* requireSeparator */, true /* requireFilename */); |
| if (nameResult.isError()) { |
| return input.error(INSTALL_PARSE_FAILED_MANIFEST_MALFORMED, |
| "Invalid manifest split types: " + nameResult.getErrorMessage()); |
| } |
| if (!ret.add(type)) { |
| Slog.w(TAG, type + " was defined multiple times"); |
| } |
| } |
| return input.success(ret); |
| } |
| |
| public static VerifierInfo parseVerifier(AttributeSet attrs) { |
| String packageName = attrs.getAttributeValue(ANDROID_RES_NAMESPACE, "name"); |
| String encodedPublicKey = attrs.getAttributeValue(ANDROID_RES_NAMESPACE, "publicKey"); |
| |
| if (packageName == null || packageName.length() == 0) { |
| Slog.i(TAG, "verifier package name was null; skipping"); |
| return null; |
| } |
| |
| final PublicKey publicKey = FrameworkParsingPackageUtils.parsePublicKey(encodedPublicKey); |
| if (publicKey == null) { |
| Slog.i(TAG, "Unable to parse verifier public key for " + packageName); |
| return null; |
| } |
| |
| return new VerifierInfo(packageName, publicKey); |
| } |
| |
| /** |
| * Used to sort a set of APKs based on their split names, always placing the |
| * base APK (with {@code null} split name) first. |
| */ |
| private static class SplitNameComparator implements Comparator<String> { |
| @Override |
| public int compare(String lhs, String rhs) { |
| if (lhs == null) { |
| return -1; |
| } else if (rhs == null) { |
| return 1; |
| } else { |
| return lhs.compareTo(rhs); |
| } |
| } |
| } |
| |
| /** |
| * Check if the given file is an APK file. |
| * |
| * @param file the file to check. |
| * @return {@code true} if the given file is an APK file. |
| */ |
| public static boolean isApkFile(File file) { |
| return isApkPath(file.getName()); |
| } |
| |
| /** |
| * Check if the given path ends with APK file extension. |
| * |
| * @param path the path to check. |
| * @return {@code true} if the given path ends with APK file extension. |
| */ |
| public static boolean isApkPath(String path) { |
| return path.endsWith(APK_FILE_EXTENSION); |
| } |
| } |