Incremental install via adb.

- passing V4 signature to IncFS,
- cleanup and use InstallationFile everywhere,
- pass params to DataLoader creation,
- minor refactor for PackageManagerShellCommandDataLoader to prepare for
Incremental data loading.

Test: atest PackageManagerShellCommandTest
Bug: b/136132412 b/133435829
Change-Id: Iacc3e4c51c0fa3410b076147ce153a1303246189
diff --git a/services/core/java/com/android/server/incremental/IncrementalManagerShellCommand.java b/services/core/java/com/android/server/incremental/IncrementalManagerShellCommand.java
index b0e2e64..6a5e963 100644
--- a/services/core/java/com/android/server/incremental/IncrementalManagerShellCommand.java
+++ b/services/core/java/com/android/server/incremental/IncrementalManagerShellCommand.java
@@ -16,9 +16,7 @@
 
 package com.android.server.incremental;
 
-import static android.content.pm.InstallationFile.FILE_TYPE_OBB;
 import static android.content.pm.PackageInstaller.LOCATION_DATA_APP;
-import static android.content.pm.PackageInstaller.LOCATION_MEDIA_OBB;
 
 import android.annotation.IntDef;
 import android.annotation.NonNull;
@@ -183,10 +181,8 @@
             session = packageInstaller.openSession(sessionId);
             for (int i = 0; i < numFiles; i++) {
                 InstallationFile file = installationFiles.get(i);
-                final int location = file.getFileType() == FILE_TYPE_OBB ? LOCATION_MEDIA_OBB
-                        : LOCATION_DATA_APP;
-                session.addFile(location, file.getName(), file.getSize(), file.getMetadata(),
-                        null);
+                session.addFile(file.getLocation(), file.getName(), file.getLengthBytes(),
+                        file.getMetadata(), file.getSignature());
             }
             session.commit(localReceiver.getIntentSender());
             final Intent result = localReceiver.getResult();
@@ -304,7 +300,8 @@
                     }
                     final byte[] metadata = String.valueOf(index).getBytes(
                             StandardCharsets.UTF_8);
-                    fileList.add(new InstallationFile(name, size, metadata));
+                    fileList.add(
+                            new InstallationFile(LOCATION_DATA_APP, name, size, metadata, null));
                     break;
                 }
                 default:
diff --git a/services/core/java/com/android/server/pm/PackageInstallerSession.java b/services/core/java/com/android/server/pm/PackageInstallerSession.java
index 944280d..97defcd 100644
--- a/services/core/java/com/android/server/pm/PackageInstallerSession.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerSession.java
@@ -214,7 +214,7 @@
 
     private static final String PROPERTY_NAME_INHERIT_NATIVE = "pi.inherit_native_on_dont_kill";
     private static final int[] EMPTY_CHILD_SESSION_ARRAY = EmptyArray.INT;
-    private static final FileInfo[] EMPTY_FILE_INFO_ARRAY = {};
+    private static final InstallationFile[] EMPTY_INSTALLATION_FILE_ARRAY = {};
 
     private static final String SYSTEM_DATA_LOADER_PACKAGE = "android";
 
@@ -309,33 +309,8 @@
     @GuardedBy("mLock")
     private int mParentSessionId;
 
-    static class FileInfo {
-        public final int location;
-        public final String name;
-        public final Long lengthBytes;
-        public final byte[] metadata;
-        public final byte[] signature;
-
-        public static FileInfo added(int location, String name, Long lengthBytes, byte[] metadata,
-                byte[] signature) {
-            return new FileInfo(location, name, lengthBytes, metadata, signature);
-        }
-
-        public static FileInfo removed(int location, String name) {
-            return new FileInfo(location, name, -1L, null, null);
-        }
-
-        FileInfo(int location, String name, Long lengthBytes, byte[] metadata, byte[] signature) {
-            this.location = location;
-            this.name = name;
-            this.lengthBytes = lengthBytes;
-            this.metadata = metadata;
-            this.signature = signature;
-        }
-    }
-
     @GuardedBy("mLock")
-    private ArrayList<FileInfo> mFiles = new ArrayList<>();
+    private ArrayList<InstallationFile> mFiles = new ArrayList<>();
 
     @GuardedBy("mLock")
     private boolean mStagedSessionApplied;
@@ -508,7 +483,7 @@
             PackageSessionProvider sessionProvider, Looper looper, StagingManager stagingManager,
             int sessionId, int userId, int installerUid, @NonNull InstallSource installSource,
             SessionParams params, long createdMillis,
-            File stageDir, String stageCid, FileInfo[] files, boolean prepared,
+            File stageDir, String stageCid, InstallationFile[] files, boolean prepared,
             boolean committed, boolean sealed,
             @Nullable int[] childSessionIds, int parentSessionId, boolean isReady,
             boolean isFailed, boolean isApplied, int stagedSessionErrorCode,
@@ -539,7 +514,7 @@
         this.mParentSessionId = parentSessionId;
 
         if (files != null) {
-            for (FileInfo file : files) {
+            for (InstallationFile file : files) {
                 mFiles.add(file);
             }
         }
@@ -738,7 +713,7 @@
 
         String[] result = new String[mFiles.size()];
         for (int i = 0, size = mFiles.size(); i < size; ++i) {
-            result[i] = mFiles.get(i).name;
+            result[i] = mFiles.get(i).getName();
         }
         return result;
     }
@@ -2425,7 +2400,7 @@
             assertCallerIsOwnerOrRootLocked();
             assertPreparedAndNotSealedLocked("addFile");
 
-            mFiles.add(FileInfo.added(location, name, lengthBytes, metadata, signature));
+            mFiles.add(new InstallationFile(location, name, lengthBytes, metadata, signature));
         }
     }
 
@@ -2443,7 +2418,7 @@
             assertCallerIsOwnerOrRootLocked();
             assertPreparedAndNotSealedLocked("removeFile");
 
-            mFiles.add(FileInfo.removed(location, getRemoveMarkerName(name)));
+            mFiles.add(new InstallationFile(location, getRemoveMarkerName(name), -1, null, null));
         }
     }
 
@@ -2461,17 +2436,16 @@
         }
 
         final List<InstallationFile> addedFiles = new ArrayList<>(mFiles.size());
-        for (FileInfo file : mFiles) {
-            if (sAddedFilter.accept(new File(this.stageDir, file.name))) {
-                addedFiles.add(new InstallationFile(
-                        file.name, file.lengthBytes, file.metadata));
+        for (InstallationFile file : mFiles) {
+            if (sAddedFilter.accept(new File(this.stageDir, file.getName()))) {
+                addedFiles.add(file);
             }
         }
         final List<String> removedFiles = new ArrayList<>(mFiles.size());
-        for (FileInfo file : mFiles) {
-            if (sRemovedFilter.accept(new File(this.stageDir, file.name))) {
-                String name = file.name.substring(
-                        0, file.name.length() - REMOVE_MARKER_EXTENSION.length());
+        for (InstallationFile file : mFiles) {
+            if (sRemovedFilter.accept(new File(this.stageDir, file.getName()))) {
+                String name = file.getName().substring(
+                        0, file.getName().length() - REMOVE_MARKER_EXTENSION.length());
                 removedFiles.add(name);
             }
         }
@@ -2970,13 +2944,13 @@
                 writeIntAttribute(out, ATTR_SESSION_ID, childSessionId);
                 out.endTag(null, TAG_CHILD_SESSION);
             }
-            for (FileInfo fileInfo : mFiles) {
+            for (InstallationFile file : mFiles) {
                 out.startTag(null, TAG_SESSION_FILE);
-                writeIntAttribute(out, ATTR_LOCATION, fileInfo.location);
-                writeStringAttribute(out, ATTR_NAME, fileInfo.name);
-                writeLongAttribute(out, ATTR_LENGTH_BYTES, fileInfo.lengthBytes);
-                writeByteArrayAttribute(out, ATTR_METADATA, fileInfo.metadata);
-                writeByteArrayAttribute(out, ATTR_SIGNATURE, fileInfo.signature);
+                writeIntAttribute(out, ATTR_LOCATION, file.getLocation());
+                writeStringAttribute(out, ATTR_NAME, file.getName());
+                writeLongAttribute(out, ATTR_LENGTH_BYTES, file.getLengthBytes());
+                writeByteArrayAttribute(out, ATTR_METADATA, file.getMetadata());
+                writeByteArrayAttribute(out, ATTR_SIGNATURE, file.getSignature());
                 out.endTag(null, TAG_SESSION_FILE);
             }
         }
@@ -3088,7 +3062,7 @@
         List<String> grantedRuntimePermissions = new ArrayList<>();
         List<String> whitelistedRestrictedPermissions = new ArrayList<>();
         List<Integer> childSessionIds = new ArrayList<>();
-        List<FileInfo> files = new ArrayList<>();
+        List<InstallationFile> files = new ArrayList<>();
         int outerDepth = in.getDepth();
         int type;
         while ((type = in.next()) != XmlPullParser.END_DOCUMENT
@@ -3107,7 +3081,7 @@
                 childSessionIds.add(readIntAttribute(in, ATTR_SESSION_ID, SessionInfo.INVALID_ID));
             }
             if (TAG_SESSION_FILE.equals(in.getName())) {
-                files.add(new FileInfo(
+                files.add(new InstallationFile(
                         readIntAttribute(in, ATTR_LOCATION, 0),
                         readStringAttribute(in, ATTR_NAME),
                         readLongAttribute(in, ATTR_LENGTH_BYTES, -1),
@@ -3135,16 +3109,16 @@
             childSessionIdsArray = EMPTY_CHILD_SESSION_ARRAY;
         }
 
-        FileInfo[] fileInfosArray = null;
+        InstallationFile[] fileArray = null;
         if (!files.isEmpty()) {
-            fileInfosArray = files.toArray(EMPTY_FILE_INFO_ARRAY);
+            fileArray = files.toArray(EMPTY_INSTALLATION_FILE_ARRAY);
         }
 
         InstallSource installSource = InstallSource.create(installInitiatingPackageName,
                 installOriginatingPackageName, installerPackageName);
         return new PackageInstallerSession(callback, context, pm, sessionProvider,
                 installerThread, stagingManager, sessionId, userId, installerUid,
-                installSource, params, createdMillis, stageDir, stageCid, fileInfosArray,
+                installSource, params, createdMillis, stageDir, stageCid, fileArray,
                 prepared, committed, sealed, childSessionIdsArray, parentSessionId,
                 isReady, isFailed, isApplied, stagedSessionErrorCode, stagedSessionErrorMessage);
     }
diff --git a/services/core/java/com/android/server/pm/PackageManagerShellCommand.java b/services/core/java/com/android/server/pm/PackageManagerShellCommand.java
index cb94043..c69a62d 100644
--- a/services/core/java/com/android/server/pm/PackageManagerShellCommand.java
+++ b/services/core/java/com/android/server/pm/PackageManagerShellCommand.java
@@ -1163,7 +1163,7 @@
         final InstallParams params = makeInstallParams();
         if (params.sessionParams.dataLoaderParams == null) {
             params.sessionParams.setDataLoaderParams(
-                    PackageManagerShellCommandDataLoader.getDataLoaderParams(this));
+                    PackageManagerShellCommandDataLoader.getStreamingDataLoaderParams(this));
         }
         return doRunInstall(params);
     }
diff --git a/services/core/java/com/android/server/pm/PackageManagerShellCommandDataLoader.java b/services/core/java/com/android/server/pm/PackageManagerShellCommandDataLoader.java
index 5dca9e1..4170be4 100644
--- a/services/core/java/com/android/server/pm/PackageManagerShellCommandDataLoader.java
+++ b/services/core/java/com/android/server/pm/PackageManagerShellCommandDataLoader.java
@@ -54,7 +54,7 @@
 
     private static final String STDIN_PATH = "-";
 
-    static DataLoaderParams getDataLoaderParams(ShellCommand shellCommand) {
+    private static String getDataLoaderParamsArgs(ShellCommand shellCommand) {
         int commandId;
         synchronized (sShellCommands) {
             // Clean up old references.
@@ -78,8 +78,12 @@
             sShellCommands.put(commandId, new WeakReference<>(shellCommand));
         }
 
-        final String args = SHELL_COMMAND_ID_PREFIX + commandId;
-        return DataLoaderParams.forStreaming(new ComponentName(PACKAGE, CLASS), args);
+        return SHELL_COMMAND_ID_PREFIX + commandId;
+    }
+
+    static DataLoaderParams getStreamingDataLoaderParams(ShellCommand shellCommand) {
+        return DataLoaderParams.forStreaming(new ComponentName(PACKAGE, CLASS),
+                getDataLoaderParamsArgs(shellCommand));
     }
 
     private static int extractShellCommandId(String args) {
@@ -133,17 +137,17 @@
                 return false;
             }
             try {
-                for (InstallationFile fileInfo : addedFiles) {
-                    String filePath = new String(fileInfo.getMetadata(), StandardCharsets.UTF_8);
+                for (InstallationFile file : addedFiles) {
+                    String filePath = new String(file.getMetadata(), StandardCharsets.UTF_8);
                     if (STDIN_PATH.equals(filePath) || TextUtils.isEmpty(filePath)) {
                         final ParcelFileDescriptor inFd = ParcelFileDescriptor.dup(
                                 shellCommand.getInFileDescriptor());
-                        mConnector.writeData(fileInfo.getName(), 0, fileInfo.getSize(), inFd);
+                        mConnector.writeData(file.getName(), 0, file.getLengthBytes(), inFd);
                     } else {
                         ParcelFileDescriptor incomingFd = null;
                         try {
                             incomingFd = shellCommand.openFileForSystem(filePath, "r");
-                            mConnector.writeData(fileInfo.getName(), 0, incomingFd.getStatSize(),
+                            mConnector.writeData(file.getName(), 0, incomingFd.getStatSize(),
                                     incomingFd);
                         } finally {
                             IoUtils.closeQuietly(incomingFd);
@@ -159,7 +163,8 @@
     }
 
     @Override
-    public DataLoaderService.DataLoader onCreateDataLoader() {
+    public DataLoaderService.DataLoader onCreateDataLoader(
+            @NonNull DataLoaderParams dataLoaderParams) {
         return new DataLoader();
     }
 }
diff --git a/services/incremental/IncrementalService.h b/services/incremental/IncrementalService.h
index 2444dde..2e7ced3 100644
--- a/services/incremental/IncrementalService.h
+++ b/services/incremental/IncrementalService.h
@@ -122,7 +122,6 @@
     }
 
     RawMetadata getMetadata(StorageId storage, FileId node) const;
-    std::string getSignatureData(StorageId storage, FileId node) const;
 
     std::vector<std::string> listFiles(StorageId storage) const;
     bool startLoading(StorageId storage) const;