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Add the rawChecksum column to the database.

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Bug: 13125743
Change-Id: I082aa9df1dd4a10cdb3f97ee0692f2d72f6c8e7e
This commit is contained in:
Jean Chalard 2014-05-20 17:35:51 +09:00
parent 06dd0ef877
commit e077c01461
5 changed files with 52 additions and 15 deletions
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12
java/src/com/android/inputmethod/dictionarypack/ActionBatch.java
View file

@ -325,8 +325,9 @@ public final class ActionBatch {
MetadataDbHelper.TYPE_BULK, MetadataDbHelper.STATUS_AVAILABLE,
mWordList.mId, mWordList.mLocale, mWordList.mDescription,
null == mWordList.mLocalFilename ? "" : mWordList.mLocalFilename,
mWordList.mRemoteFilename, mWordList.mLastUpdate, mWordList.mChecksum,
mWordList.mFileSize, mWordList.mVersion, mWordList.mFormatVersion);
mWordList.mRemoteFilename, mWordList.mLastUpdate, mWordList.mRawChecksum,
mWordList.mChecksum, mWordList.mFileSize, mWordList.mVersion,
mWordList.mFormatVersion);
PrivateLog.log("Insert 'available' record for " + mWordList.mDescription
+ " and locale " + mWordList.mLocale);
db.insert(MetadataDbHelper.METADATA_TABLE_NAME, null, values);
@ -374,7 +375,7 @@ public final class ActionBatch {
final ContentValues values = MetadataDbHelper.makeContentValues(0,
MetadataDbHelper.TYPE_BULK, MetadataDbHelper.STATUS_INSTALLED,
mWordList.mId, mWordList.mLocale, mWordList.mDescription,
"", mWordList.mRemoteFilename, mWordList.mLastUpdate,
"", mWordList.mRemoteFilename, mWordList.mLastUpdate, mWordList.mRawChecksum,
mWordList.mChecksum, mWordList.mFileSize, mWordList.mVersion,
mWordList.mFormatVersion);
PrivateLog.log("Insert 'preinstalled' record for " + mWordList.mDescription
@ -416,8 +417,9 @@ public final class ActionBatch {
oldValues.getAsInteger(MetadataDbHelper.STATUS_COLUMN),
mWordList.mId, mWordList.mLocale, mWordList.mDescription,
oldValues.getAsString(MetadataDbHelper.LOCAL_FILENAME_COLUMN),
mWordList.mRemoteFilename, mWordList.mLastUpdate, mWordList.mChecksum,
mWordList.mFileSize, mWordList.mVersion, mWordList.mFormatVersion);
mWordList.mRemoteFilename, mWordList.mLastUpdate, mWordList.mRawChecksum,
mWordList.mChecksum, mWordList.mFileSize, mWordList.mVersion,
mWordList.mFormatVersion);
PrivateLog.log("Updating record for " + mWordList.mDescription
+ " and locale " + mWordList.mLocale);
db.update(MetadataDbHelper.METADATA_TABLE_NAME, values,

37
java/src/com/android/inputmethod/dictionarypack/MetadataDbHelper.java
View file

@ -20,6 +20,7 @@ import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteException;
import android.database.sqlite.SQLiteOpenHelper;
import android.text.TextUtils;
import android.util.Log;
@ -46,7 +47,7 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
// used to identify the versions for upgrades. This should never change going forward.
private static final int METADATA_DATABASE_VERSION_WITH_CLIENTID = 6;
// The current database version.
private static final int CURRENT_METADATA_DATABASE_VERSION = 7;
private static final int CURRENT_METADATA_DATABASE_VERSION = 8;
private final static long NOT_A_DOWNLOAD_ID = -1;
@ -66,7 +67,8 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
public static final String VERSION_COLUMN = "version";
public static final String FORMATVERSION_COLUMN = "formatversion";
public static final String FLAGS_COLUMN = "flags";
public static final int COLUMN_COUNT = 13;
public static final String RAW_CHECKSUM_COLUMN = "rawChecksum";
public static final int COLUMN_COUNT = 14;
private static final String CLIENT_CLIENT_ID_COLUMN = "clientid";
private static final String CLIENT_METADATA_URI_COLUMN = "uri";
@ -119,8 +121,9 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
+ CHECKSUM_COLUMN + " TEXT, "
+ FILESIZE_COLUMN + " INTEGER, "
+ VERSION_COLUMN + " INTEGER,"
+ FORMATVERSION_COLUMN + " INTEGER,"
+ FLAGS_COLUMN + " INTEGER,"
+ FORMATVERSION_COLUMN + " INTEGER, "
+ FLAGS_COLUMN + " INTEGER, "
+ RAW_CHECKSUM_COLUMN + " TEXT,"
+ "PRIMARY KEY (" + WORDLISTID_COLUMN + "," + VERSION_COLUMN + "));";
private static final String METADATA_CREATE_CLIENT_TABLE =
"CREATE TABLE IF NOT EXISTS " + CLIENT_TABLE_NAME + " ("
@ -136,7 +139,8 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
static final String[] METADATA_TABLE_COLUMNS = { PENDINGID_COLUMN, TYPE_COLUMN,
STATUS_COLUMN, WORDLISTID_COLUMN, LOCALE_COLUMN, DESCRIPTION_COLUMN,
LOCAL_FILENAME_COLUMN, REMOTE_FILENAME_COLUMN, DATE_COLUMN, CHECKSUM_COLUMN,
FILESIZE_COLUMN, VERSION_COLUMN, FORMATVERSION_COLUMN, FLAGS_COLUMN };
FILESIZE_COLUMN, VERSION_COLUMN, FORMATVERSION_COLUMN, FLAGS_COLUMN,
RAW_CHECKSUM_COLUMN };
// List of all client table columns.
static final String[] CLIENT_TABLE_COLUMNS = { CLIENT_CLIENT_ID_COLUMN,
CLIENT_METADATA_URI_COLUMN, CLIENT_PENDINGID_COLUMN, FLAGS_COLUMN };
@ -215,6 +219,17 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
createClientTable(db);
}
private void addRawChecksumColumnUnlessPresent(final SQLiteDatabase db, final String clientId) {
try {
db.execSQL("SELECT " + RAW_CHECKSUM_COLUMN + " FROM "
+ METADATA_TABLE_NAME + " LIMIT 0;");
} catch (SQLiteException e) {
Log.i(TAG, "No " + RAW_CHECKSUM_COLUMN + " column : creating it");
db.execSQL("ALTER TABLE " + METADATA_TABLE_NAME + " ADD COLUMN "
+ RAW_CHECKSUM_COLUMN + " TEXT;");
}
}
/**
* Upgrade the database. Upgrade from version 3 is supported.
* Version 3 has a DB named METADATA_DATABASE_NAME_STEM containing a table METADATA_TABLE_NAME.
@ -260,6 +275,12 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
db.execSQL("DROP TABLE IF EXISTS " + CLIENT_TABLE_NAME);
onCreate(db);
}
// A rawChecksum column that did not exist in the previous versions was added that
// corresponds to the md5 checksum of the file after decompression/decryption. This is to
// strengthen the system against corrupted dictionary files.
// The most secure way to upgrade a database is to just test for the column presence, and
// add it if it's not there.
addRawChecksumColumnUnlessPresent(db, mClientId);
}
/**
@ -431,7 +452,7 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
public static ContentValues makeContentValues(final int pendingId, final int type,
final int status, final String wordlistId, final String locale,
final String description, final String filename, final String url, final long date,
final String checksum, final long filesize, final int version,
final String rawChecksum, final String checksum, final long filesize, final int version,
final int formatVersion) {
final ContentValues result = new ContentValues(COLUMN_COUNT);
result.put(PENDINGID_COLUMN, pendingId);
@ -443,6 +464,7 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
result.put(LOCAL_FILENAME_COLUMN, filename);
result.put(REMOTE_FILENAME_COLUMN, url);
result.put(DATE_COLUMN, date);
result.put(RAW_CHECKSUM_COLUMN, rawChecksum);
result.put(CHECKSUM_COLUMN, checksum);
result.put(FILESIZE_COLUMN, filesize);
result.put(VERSION_COLUMN, version);
@ -478,6 +500,8 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
if (null == result.get(REMOTE_FILENAME_COLUMN)) result.put(REMOTE_FILENAME_COLUMN, "");
// 0 for the update date : 1970/1/1. Unless specified.
if (null == result.get(DATE_COLUMN)) result.put(DATE_COLUMN, 0);
// Raw checksum unknown unless specified
if (null == result.get(RAW_CHECKSUM_COLUMN)) result.put(RAW_CHECKSUM_COLUMN, "");
// Checksum unknown unless specified
if (null == result.get(CHECKSUM_COLUMN)) result.put(CHECKSUM_COLUMN, "");
// No filesize unless specified
@ -525,6 +549,7 @@ public class MetadataDbHelper extends SQLiteOpenHelper {
putStringResult(result, cursor, LOCAL_FILENAME_COLUMN);
putStringResult(result, cursor, REMOTE_FILENAME_COLUMN);
putIntResult(result, cursor, DATE_COLUMN);
putStringResult(result, cursor, RAW_CHECKSUM_COLUMN);
putStringResult(result, cursor, CHECKSUM_COLUMN);
putIntResult(result, cursor, FILESIZE_COLUMN);
putIntResult(result, cursor, VERSION_COLUMN);

3
java/src/com/android/inputmethod/dictionarypack/MetadataHandler.java
View file

@ -52,6 +52,8 @@ public class MetadataHandler {
final int idIndex = results.getColumnIndex(MetadataDbHelper.WORDLISTID_COLUMN);
final int updateIndex = results.getColumnIndex(MetadataDbHelper.DATE_COLUMN);
final int fileSizeIndex = results.getColumnIndex(MetadataDbHelper.FILESIZE_COLUMN);
final int rawChecksumIndex =
results.getColumnIndex(MetadataDbHelper.RAW_CHECKSUM_COLUMN);
final int checksumIndex = results.getColumnIndex(MetadataDbHelper.CHECKSUM_COLUMN);
final int localFilenameIndex =
results.getColumnIndex(MetadataDbHelper.LOCAL_FILENAME_COLUMN);
@ -66,6 +68,7 @@ public class MetadataHandler {
results.getString(descriptionColumn),
results.getLong(updateIndex),
results.getLong(fileSizeIndex),
results.getString(rawChecksumIndex),
results.getString(checksumIndex),
results.getString(localFilenameIndex),
results.getString(remoteFilenameIndex),

2
java/src/com/android/inputmethod/dictionarypack/MetadataParser.java
View file

@ -37,6 +37,7 @@ public class MetadataParser {
private static final String DESCRIPTION_FIELD_NAME = MetadataDbHelper.DESCRIPTION_COLUMN;
private static final String UPDATE_FIELD_NAME = "update";
private static final String FILESIZE_FIELD_NAME = MetadataDbHelper.FILESIZE_COLUMN;
private static final String RAW_CHECKSUM_FIELD_NAME = MetadataDbHelper.RAW_CHECKSUM_COLUMN;
private static final String CHECKSUM_FIELD_NAME = MetadataDbHelper.CHECKSUM_COLUMN;
private static final String REMOTE_FILENAME_FIELD_NAME =
MetadataDbHelper.REMOTE_FILENAME_COLUMN;
@ -80,6 +81,7 @@ public class MetadataParser {
arguments.get(DESCRIPTION_FIELD_NAME),
Long.parseLong(arguments.get(UPDATE_FIELD_NAME)),
Long.parseLong(arguments.get(FILESIZE_FIELD_NAME)),
arguments.get(RAW_CHECKSUM_FIELD_NAME),
arguments.get(CHECKSUM_FIELD_NAME),
null,
arguments.get(REMOTE_FILENAME_FIELD_NAME),

13
java/src/com/android/inputmethod/dictionarypack/WordListMetadata.java
View file

@ -30,6 +30,7 @@ public class WordListMetadata {
public final String mDescription;
public final long mLastUpdate;
public final long mFileSize;
public final String mRawChecksum;
public final String mChecksum;
public final String mLocalFilename;
public final String mRemoteFilename;
@ -50,13 +51,15 @@ public class WordListMetadata {
public WordListMetadata(final String id, final int type,
final String description, final long lastUpdate, final long fileSize,
final String checksum, final String localFilename, final String remoteFilename,
final int version, final int formatVersion, final int flags, final String locale) {
final String rawChecksum, final String checksum, final String localFilename,
final String remoteFilename, final int version, final int formatVersion,
final int flags, final String locale) {
mId = id;
mType = type;
mDescription = description;
mLastUpdate = lastUpdate; // In milliseconds
mFileSize = fileSize;
mRawChecksum = rawChecksum;
mChecksum = checksum;
mLocalFilename = localFilename;
mRemoteFilename = remoteFilename;
@ -77,6 +80,7 @@ public class WordListMetadata {
final String description = values.getAsString(MetadataDbHelper.DESCRIPTION_COLUMN);
final Long lastUpdate = values.getAsLong(MetadataDbHelper.DATE_COLUMN);
final Long fileSize = values.getAsLong(MetadataDbHelper.FILESIZE_COLUMN);
final String rawChecksum = values.getAsString(MetadataDbHelper.RAW_CHECKSUM_COLUMN);
final String checksum = values.getAsString(MetadataDbHelper.CHECKSUM_COLUMN);
final String localFilename = values.getAsString(MetadataDbHelper.LOCAL_FILENAME_COLUMN);
final String remoteFilename = values.getAsString(MetadataDbHelper.REMOTE_FILENAME_COLUMN);
@ -98,8 +102,8 @@ public class WordListMetadata {
|| null == locale) {
throw new IllegalArgumentException();
}
return new WordListMetadata(id, type, description, lastUpdate, fileSize, checksum,
localFilename, remoteFilename, version, formatVersion, flags, locale);
return new WordListMetadata(id, type, description, lastUpdate, fileSize, rawChecksum,
checksum, localFilename, remoteFilename, version, formatVersion, flags, locale);
}
@Override
@ -110,6 +114,7 @@ public class WordListMetadata {
sb.append("\nDescription : ").append(mDescription);
sb.append("\nLastUpdate : ").append(mLastUpdate);
sb.append("\nFileSize : ").append(mFileSize);
sb.append("\nRawChecksum : ").append(mRawChecksum);
sb.append("\nChecksum : ").append(mChecksum);
sb.append("\nLocalFilename : ").append(mLocalFilename);
sb.append("\nRemoteFilename : ").append(mRemoteFilename);