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Code Issues Projects Releases Wiki Activity

Add (incomplete) handling of Android Wear Assets

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This commit is contained in:
Marvin W 2016-03-14 19:21:55 +01:00
parent 51b8d384a1
commit 375004891e
4 changed files with 158 additions and 28 deletions
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39
play-services-core/src/main/java/org/microg/gms/wearable/DataItemRecord.java
View File

@ -27,8 +27,12 @@ import com.google.android.gms.wearable.internal.DataItemParcelable;
import org.microg.wearable.proto.AssetEntry;
import org.microg.wearable.proto.SetDataItem;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import okio.ByteString;
public class DataItemRecord {
public DataItemInternal dataItem;
public String source;
@ -67,6 +71,30 @@ public class DataItemRecord {
return parcelable;
}
public SetDataItem toSetDataItem() {
SetDataItem.Builder builder = new SetDataItem.Builder()
.packageName(packageName)
.signatureDigest(signatureDigest)
.uri(dataItem.uri.toString())
.seqId(seqId)
.deleted(deleted)
.lastModified(lastModified);
if (source != null) builder.source(source);
if (dataItem.data != null) builder.data(ByteString.of(dataItem.data));
List<AssetEntry> protoAssets = new ArrayList<AssetEntry>();
Map<String, Asset> assets = dataItem.getAssets();
for (String key : assets.keySet()) {
protoAssets.add(new AssetEntry.Builder()
.key(key)
.unknown3(4)
.value(new org.microg.wearable.proto.Asset.Builder()
.digest(assets.get(key).getDigest())
.build()).build());
}
builder.assets(protoAssets);
return builder.build();
}
public static DataItemRecord fromCursor(Cursor cursor) {
DataItemRecord record = new DataItemRecord();
record.packageName = cursor.getString(1);
@ -78,6 +106,15 @@ public class DataItemRecord {
record.dataItem.data = cursor.getBlob(8);
record.lastModified = cursor.getLong(9);
record.assetsAreReady = cursor.getLong(10) > 0;
if (cursor.getString(11) != null) {
record.dataItem.addAsset(cursor.getString(11), Asset.createFromRef(cursor.getString(12)));
while (cursor.moveToNext()) {
if (cursor.getLong(5) == record.seqId) {
record.dataItem.addAsset(cursor.getString(11), Asset.createFromRef(cursor.getString(12)));
}
}
cursor.moveToPrevious();
}
return record;
}
@ -87,7 +124,7 @@ public class DataItemRecord {
if (setDataItem.data != null) record.dataItem.data = setDataItem.data.toByteArray();
if (setDataItem.assets != null) {
for (AssetEntry asset : setDataItem.assets) {
// TODO record.dataItem.addAsset(asset.key, asset.value)
record.dataItem.addAsset(asset.key, Asset.createFromRef(asset.value.digest));
}
}
record.source = setDataItem.source;

9
play-services-core/src/main/java/org/microg/gms/wearable/MessageHandler.java
View File

@ -19,6 +19,7 @@ package org.microg.gms.wearable;
import android.text.TextUtils;
import android.util.Log;
import com.google.android.gms.wearable.Asset;
import com.google.android.gms.wearable.ConnectionConfiguration;
import com.google.android.gms.wearable.internal.MessageEventParcelable;
import com.google.android.gms.wearable.internal.NodeParcelable;
@ -86,6 +87,13 @@ public class MessageHandler extends ServerMessageListener {
@Override
public void onSetAsset(SetAsset setAsset) {
Log.d(TAG, "onSetAsset: " + setAsset);
Asset asset;
if (setAsset.data != null) {
asset = Asset.createFromBytes(setAsset.data.toByteArray());
} else {
asset = Asset.createFromRef(setAsset.digest);
}
service.addAssetToDatabase(asset, setAsset.appkeys.appKeys);
}
@Override
@ -149,6 +157,7 @@ public class MessageHandler extends ServerMessageListener {
@Override
public void onFilePiece(FilePiece filePiece) {
Log.d(TAG, "onFilePiece: " + filePiece);
service.handleFilePiece(getConnection(), filePiece.fileName, filePiece.piece.toByteArray(), filePiece.finalPiece ? filePiece.digest : null);
}
@Override

20
play-services-core/src/main/java/org/microg/gms/wearable/NodeDatabaseHelper.java
View File

@ -143,7 +143,7 @@ public class NodeDatabaseHelper extends SQLiteOpenHelper {
}
private static void updateRecord(SQLiteDatabase db, String key, DataItemRecord record) {
Log.d(TAG, "updateRecord not implemented: " + record);
Log.d(TAG, "updateRecord no: " + record);
}
private String insertRecord(SQLiteDatabase db, DataItemRecord record) {
@ -220,8 +220,24 @@ public class NodeDatabaseHelper extends SQLiteOpenHelper {
if (cursor.moveToFirst()) {
res = cursor.getLong(0);
}
cursor.close();;
cursor.close();
}
return res;
}
public void putAsset(Asset asset, boolean dataPresent) {
ContentValues cv = new ContentValues();
cv.put("digest", asset.getDigest());
cv.put("dataPresent", dataPresent ? 1 : 0);
cv.put("timestampMs", System.currentTimeMillis());
getWritableDatabase().insert("assets", null, cv);
}
public void allowAssetAccess(String digest, String packageName, String signatureDigest) {
SQLiteDatabase db = getWritableDatabase();
ContentValues cv = new ContentValues();
cv.put("assets_digest", digest);
cv.put("appkeys_it", getAppKey(db, packageName, signatureDigest));
db.insert("assetsacls", null, cv);
}
}

118
play-services-core/src/main/java/org/microg/gms/wearable/WearableServiceImpl.java
View File

@ -53,17 +53,23 @@ import com.google.android.gms.wearable.internal.PutDataResponse;
import com.google.android.gms.wearable.internal.RemoveListenerRequest;
import org.microg.gms.common.PackageUtils;
import org.microg.gms.common.Utils;
import org.microg.wearable.WearableConnection;
import org.microg.wearable.proto.AssetEntry;
import org.microg.wearable.proto.AckAsset;
import org.microg.wearable.proto.AppKey;
import org.microg.wearable.proto.AppKeys;
import org.microg.wearable.proto.FilePiece;
import org.microg.wearable.proto.RootMessage;
import org.microg.wearable.proto.SetDataItem;
import org.microg.wearable.proto.SetAsset;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
@ -129,12 +135,13 @@ public class WearableServiceImpl extends IWearableService.Stub implements IWeara
for (Map.Entry<String, Asset> assetEntry : request.getAssets().entrySet()) {
Asset asset = prepareAsset(packageName, assetEntry.getValue());
if (asset != null) {
nodeDatabase.putAsset(asset, true);
dataItem.addAsset(assetEntry.getKey(), asset);
}
}
dataItem.data = request.getData();
DataItemParcelable parcelable = putDataItem(packageName,
PackageUtils.firstSignatureDigest(context, packageName), getLocalNodeId(), dataItem).toParcelable();
DataItemParcelable parcelable = putDataItem(packageName, PackageUtils.firstSignatureDigest(context, packageName),
getLocalNodeId(), dataItem).toParcelable();
callbacks.onPutDataResponse(new PutDataResponse(0, parcelable));
}
@ -156,6 +163,13 @@ public class WearableServiceImpl extends IWearableService.Stub implements IWeara
}
private Asset prepareAsset(String packageName, Asset asset) {
if (asset.getFd() != null && asset.data == null) {
try {
asset.data = Utils.readStreamToEnd(new FileInputStream(asset.getFd().getFileDescriptor()));
} catch (IOException e) {
Log.w(TAG, e);
}
}
if (asset.data != null) {
String digest = calculateDigest(asset.data);
File assetFile = createAssetFile(digest);
@ -188,6 +202,12 @@ public class WearableServiceImpl extends IWearableService.Stub implements IWeara
return new File(dir, digest + ".asset");
}
private File createAssetReceiveTempFile(String name) {
File dir = new File(context.getFilesDir(), "piece");
dir.mkdirs();
return new File(dir, name);
}
private String calculateDigest(byte[] data) {
try {
return Base64.encodeToString(MessageDigest.getInstance("SHA1").digest(data), Base64.NO_WRAP | Base64.NO_PADDING | Base64.URL_SAFE);
@ -480,29 +500,13 @@ public class WearableServiceImpl extends IWearableService.Stub implements IWeara
if (cursor != null) {
while (cursor.moveToNext()) {
DataItemRecord record = DataItemRecord.fromCursor(cursor);
Log.d(TAG, "Sync over " + connection + ": " + record);
SetDataItem.Builder builder = new SetDataItem.Builder()
.packageName(record.packageName)
.signatureDigest(record.signatureDigest)
.uri(record.dataItem.uri.toString())
.seqId(record.seqId)
.deleted(record.deleted)
.lastModified(record.lastModified);
if (record.source != null) builder.source(record.source);
if (record.dataItem.data != null) builder.data(ByteString.of(record.dataItem.data));
List<AssetEntry> protoAssets = new ArrayList<AssetEntry>();
Map<String, Asset> assets = record.dataItem.getAssets();
for (String key : assets.keySet()) {
protoAssets.add(new AssetEntry.Builder()
.key(key)
.unknown3(4)
.value(new org.microg.wearable.proto.Asset.Builder()
.digest(assets.get(key).getDigest())
.build()).build());
for (Asset asset : record.dataItem.getAssets().values()) {
syncAssetToPeer(connection, record, asset);
}
builder.assets(protoAssets);
Log.d(TAG, "Sync over " + connection + ": " + record);
try {
connection.writeMessage(new RootMessage.Builder().setDataItem(builder.build()).build());
connection.writeMessage(new RootMessage.Builder().setDataItem(record.toSetDataItem()).build());
} catch (IOException e) {
Log.w(TAG, e);
break;
@ -513,7 +517,71 @@ public class WearableServiceImpl extends IWearableService.Stub implements IWeara
Log.d(TAG, "-- Done syncing over " + connection + ", nodeId " + nodeId + " starting with seqId " + seqId);
}
private void syncAssetToPeer(WearableConnection connection, DataItemRecord record, Asset asset) {
try {
Log.d(TAG, "Sync over " + connection + ": " + asset);
connection.writeMessage(new RootMessage.Builder().setAsset(
new SetAsset.Builder()
.digest(asset.getDigest())
.appkeys(new AppKeys(Collections.singletonList(new AppKey(record.packageName, record.signatureDigest))))
.build()).unknown13(true).build());
File assetFile = createAssetFile(asset.getDigest());
String fileName = calculateDigest(assetFile.toString().getBytes());
FileInputStream fis = new FileInputStream(assetFile);
byte[] arr = new byte[12215];
ByteString lastPiece = null;
int c = 0;
while ((c = fis.read(arr)) > 0) {
if (lastPiece != null) {
Log.d(TAG, "Sync over " + connection + ": Asset piece for fileName " + fileName + ": " + lastPiece);
connection.writeMessage(new RootMessage.Builder().filePiece(new FilePiece(fileName, false, lastPiece, null)).build());
}
lastPiece = ByteString.of(arr, 0, c);
}
Log.d(TAG, "Sync over " + connection + ": Last asset piece for fileName " + fileName + ": " + lastPiece);
connection.writeMessage(new RootMessage.Builder().filePiece(new FilePiece(fileName, true, lastPiece, asset.getDigest())).build());
} catch (IOException e) {
Log.w(TAG, e);
}
}
public void addAssetToDatabase(Asset asset, List<AppKey> appKeys) {
nodeDatabase.putAsset(asset, false);
for (AppKey appKey : appKeys) {
nodeDatabase.allowAssetAccess(asset.getDigest(), appKey.packageName, appKey.signatureDigest);
}
}
public long getCurrentSeqId(String nodeId) {
return nodeDatabase.getCurrentSeqId(nodeId);
}
public void handleFilePiece(WearableConnection connection, String fileName, byte[] bytes, String finalPieceDigest) {
File file = createAssetReceiveTempFile(fileName);
try {
FileOutputStream fos = new FileOutputStream(file, true);
fos.write(bytes);
fos.close();
} catch (IOException e) {
Log.w(TAG, e);
}
if (finalPieceDigest != null) {
// This is a final piece. If digest matches we're so happy!
try {
String digest = calculateDigest(Utils.readStreamToEnd(new FileInputStream(file)));
if (digest.equals(finalPieceDigest)) {
if (file.renameTo(createAssetFile(digest))) {
// TODO: Mark as stored in db
connection.writeMessage(new RootMessage.Builder().ackAsset(new AckAsset(digest)).build());
} else {
Log.w(TAG, "Could not rename to target file name. delete=" + file.delete());
}
} else {
Log.w(TAG, "Received digest does not match. delete=" + file.delete());
}
} catch (IOException e) {
Log.w(TAG, "Failed working with temp file. delete=" + file.delete(), e);
}
}
}
}