/**
* Copyright (C) 2011 Whisper Systems
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.securecomcode.text.database;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.text.TextUtils;
import android.util.Log;
import android.util.Pair;
import com.securecomcode.text.providers.PartProvider;
import com.securecomcode.text.util.Util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.LinkedList;
import java.util.List;
import ws.com.google.android.mms.ContentType;
import ws.com.google.android.mms.MmsException;
import ws.com.google.android.mms.pdu.PduBody;
import ws.com.google.android.mms.pdu.PduPart;
public class PartDatabase extends Database {
private static final String TABLE_NAME = "part";
private static final String ID = "_id";
private static final String MMS_ID = "mid";
private static final String SEQUENCE = "seq";
private static final String CONTENT_TYPE = "ct";
private static final String NAME = "name";
private static final String CHARSET = "chset";
private static final String CONTENT_DISPOSITION = "cd";
private static final String FILENAME = "fn";
private static final String CONTENT_ID = "cid";
private static final String CONTENT_LOCATION = "cl";
private static final String CONTENT_TYPE_START = "ctt_s";
private static final String CONTENT_TYPE_TYPE = "ctt_t";
private static final String ENCRYPTED = "encrypted";
private static final String DATA = "_data";
private static final String PENDING_PUSH_ATTACHMENT = "pending_push";
public static final String CREATE_TABLE = "CREATE TABLE " + TABLE_NAME + " (" + ID + " INTEGER PRIMARY KEY, " +
MMS_ID + " INTEGER, " + SEQUENCE + " INTEGER DEFAULT 0, " +
CONTENT_TYPE + " TEXT, " + NAME + " TEXT, " + CHARSET + " INTEGER, " +
CONTENT_DISPOSITION + " TEXT, " + FILENAME + " TEXT, " + CONTENT_ID + " TEXT, " +
CONTENT_LOCATION + " TEXT, " + CONTENT_TYPE_START + " INTEGER, " +
CONTENT_TYPE_TYPE + " TEXT, " + ENCRYPTED + " INTEGER, " +
PENDING_PUSH_ATTACHMENT + " INTEGER, "+ DATA + " TEXT);";
public static final String[] CREATE_INDEXS = {
"CREATE INDEX IF NOT EXISTS part_mms_id_index ON " + TABLE_NAME + " (" + MMS_ID + ");",
"CREATE INDEX IF NOT EXISTS pending_push_index ON " + TABLE_NAME + " (" + PENDING_PUSH_ATTACHMENT + ");",
};
public PartDatabase(Context context, SQLiteOpenHelper databaseHelper) {
super(context, databaseHelper);
}
private void getPartValues(PduPart part, Cursor cursor) {
int charsetColumn = cursor.getColumnIndexOrThrow(CHARSET);
if (!cursor.isNull(charsetColumn))
part.setCharset(cursor.getInt(charsetColumn));
int contentTypeColumn = cursor.getColumnIndexOrThrow(CONTENT_TYPE);
if (!cursor.isNull(contentTypeColumn))
part.setContentType(Util.toIsoBytes(cursor.getString(contentTypeColumn)));
int nameColumn = cursor.getColumnIndexOrThrow(NAME);
if (!cursor.isNull(nameColumn))
part.setName(Util.toIsoBytes(cursor.getString(nameColumn)));
int fileNameColumn = cursor.getColumnIndexOrThrow(FILENAME);
if (!cursor.isNull(fileNameColumn))
part.setFilename(Util.toIsoBytes(cursor.getString(fileNameColumn)));
int contentDispositionColumn = cursor.getColumnIndexOrThrow(CONTENT_DISPOSITION);
if (!cursor.isNull(contentDispositionColumn))
part.setContentDisposition(Util.toIsoBytes(cursor.getString(contentDispositionColumn)));
int contentIdColumn = cursor.getColumnIndexOrThrow(CONTENT_ID);
if (!cursor.isNull(contentIdColumn))
part.setContentId(Util.toIsoBytes(cursor.getString(contentIdColumn)));
int contentLocationColumn = cursor.getColumnIndexOrThrow(CONTENT_LOCATION);
if (!cursor.isNull(contentLocationColumn))
part.setContentLocation(Util.toIsoBytes(cursor.getString(contentLocationColumn)));
int encryptedColumn = cursor.getColumnIndexOrThrow(ENCRYPTED);
if (!cursor.isNull(encryptedColumn))
part.setEncrypted(cursor.getInt(encryptedColumn) == 1);
int pendingPushColumn = cursor.getColumnIndexOrThrow(PENDING_PUSH_ATTACHMENT);
if (!cursor.isNull(pendingPushColumn))
part.setPendingPush(cursor.getInt(pendingPushColumn) == 1);
}
private ContentValues getContentValuesForPart(PduPart part) throws MmsException {
ContentValues contentValues = new ContentValues();
if (part.getCharset() != 0 ) {
contentValues.put(CHARSET, part.getCharset());
}
if (part.getContentType() != null) {
contentValues.put(CONTENT_TYPE, Util.toIsoString(part.getContentType()));
if (Util.toIsoString(part.getContentType()).equals(ContentType.APP_SMIL)) {
contentValues.put(SEQUENCE, -1);
}
} else {
throw new MmsException("There is no content type for this part.");
}
if (part.getName() != null) {
contentValues.put(NAME, new String(part.getName()));
}
if (part.getFilename() != null) {
contentValues.put(FILENAME, new String(part.getFilename()));
}
if (part.getContentDisposition() != null) {
contentValues.put(CONTENT_DISPOSITION, Util.toIsoString(part.getContentDisposition()));
}
if (part.getContentId() != null) {
contentValues.put(CONTENT_ID, Util.toIsoString(part.getContentId()));
}
if (part.getContentLocation() != null) {
contentValues.put(CONTENT_LOCATION, Util.toIsoString(part.getContentLocation()));
}
contentValues.put(ENCRYPTED, part.getEncrypted() ? 1 : 0);
contentValues.put(PENDING_PUSH_ATTACHMENT, part.isPendingPush() ? 1 : 0);
return contentValues;
}
protected FileInputStream getPartInputStream(File file, PduPart part) throws FileNotFoundException {
Log.w("PartDatabase", "Reading non-encrypted part from: " + file.getAbsolutePath());
return new FileInputStream(file);
}
protected FileOutputStream getPartOutputStream(File file, PduPart part) throws FileNotFoundException {
Log.w("PartDatabase", "Writing non-encrypted part to: " + file.getAbsolutePath());
return new FileOutputStream(file);
}
private void readPartData(PduPart part, String filename) {
try {
File dataFile = new File(filename);
FileInputStream fin = getPartInputStream(dataFile, part);
ByteArrayOutputStream baos = new ByteArrayOutputStream((int)dataFile.length());
byte[] buffer = new byte[512];
int read;
while ((read = fin.read(buffer)) != -1)
baos.write(buffer, 0, read);
part.setData(baos.toByteArray());
fin.close();
} catch (IOException ioe) {
Log.w("PartDatabase", ioe);
part.setData(null);
}
}
private File writePartData(PduPart part, InputStream in) throws MmsException {
try {
File partsDirectory = context.getDir("parts", Context.MODE_PRIVATE);
File dataFile = File.createTempFile("part", ".mms", partsDirectory);
FileOutputStream fout = getPartOutputStream(dataFile, part);
byte[] buf = new byte[512];
int read;
while ((read = in.read(buf)) != -1) {
fout.write(buf, 0, read);
}
fout.close();
in.close();
return dataFile;
} catch (IOException e) {
throw new AssertionError(e);
}
}
private File writePartData(PduPart part) throws MmsException {
try {
if (part.getData() != null) {
Log.w("PartDatabase", "Writing part data from buffer");
return writePartData(part, new ByteArrayInputStream(part.getData()));
} else if (part.getDataUri() != null) {
Log.w("PartDatabase", "Writing part dat from URI");
InputStream in = context.getContentResolver().openInputStream(part.getDataUri());
return writePartData(part, in);
} else {
throw new MmsException("Part is empty!");
}
} catch (FileNotFoundException e) {
throw new AssertionError(e);
}
}
private PduPart getPart(Cursor cursor, boolean includeData) {
PduPart part = new PduPart();
String dataLocation = cursor.getString(cursor.getColumnIndexOrThrow(DATA));
long partId = cursor.getLong(cursor.getColumnIndexOrThrow(ID));
getPartValues(part, cursor);
if (includeData && !part.isPendingPush())
readPartData(part, dataLocation);
part.setDataUri(ContentUris.withAppendedId(PartProvider.CONTENT_URI, partId));
return part;
}
private long insertPart(PduPart part, long mmsId) throws MmsException {
SQLiteDatabase database = databaseHelper.getWritableDatabase();
File dataFile = null;
if (!part.isPendingPush()) {
dataFile = writePartData(part);
Log.w("PartDatabase", "Wrote part to file: " + dataFile.getAbsolutePath());
}
ContentValues contentValues = getContentValuesForPart(part);
contentValues.put(MMS_ID, mmsId);
if (dataFile != null) {
contentValues.put(DATA, dataFile.getAbsolutePath());
}
return database.insert(TABLE_NAME, null, contentValues);
}
public InputStream getPartStream(long partId) throws FileNotFoundException {
SQLiteDatabase database = databaseHelper.getReadableDatabase();
Cursor cursor = null;
Log.w("PartDatabase", "Getting part at ID: " + partId);
try {
cursor = database.query(TABLE_NAME, new String[]{DATA, ENCRYPTED}, ID_WHERE, new String[] {partId+""}, null, null, null);
if (cursor != null && cursor.moveToFirst()) {
PduPart part = new PduPart();
part.setEncrypted(cursor.getInt(1) == 1);
if (cursor.isNull(0)) {
throw new FileNotFoundException("No part data for id: " + partId);
}
return getPartInputStream(new File(cursor.getString(0)), part);
} else {
throw new FileNotFoundException("No part for id: " + partId);
}
} finally {
if (cursor != null)
cursor.close();
}
}
void insertParts(long mmsId, PduBody body) throws MmsException {
for (int i=0;i<body.getPartsNum();i++) {
long partId = insertPart(body.getPart(i), mmsId);
Log.w("PartDatabase", "Inserted part at ID: " + partId);
}
}
public void updateDownloadedPart(long messageId, long partId, PduPart part, InputStream data)
throws MmsException
{
SQLiteDatabase database = databaseHelper.getWritableDatabase();
File partData = writePartData(part, data);
part.setContentDisposition(new byte[0]);
part.setPendingPush(false);
ContentValues values = getContentValuesForPart(part);
if (partData != null) {
values.put(DATA, partData.getAbsolutePath());
}
database.update(TABLE_NAME, values, ID_WHERE, new String[] {partId+""});
notifyConversationListeners(DatabaseFactory.getMmsDatabase(context).getThreadIdForMessage(messageId));
}
public void updateFailedDownloadedPart(long messageId, long partId, PduPart part)
throws MmsException
{
SQLiteDatabase database = databaseHelper.getWritableDatabase();
part.setContentDisposition(new byte[0]);
part.setPendingPush(false);
ContentValues values = getContentValuesForPart(part);
values.put(DATA, (String)null);
database.update(TABLE_NAME, values, ID_WHERE, new String[] {partId+""});
notifyConversationListeners(DatabaseFactory.getMmsDatabase(context).getThreadIdForMessage(messageId));
}
public PduPart getPart(long partId, boolean includeData) {
SQLiteDatabase database = databaseHelper.getReadableDatabase();
Cursor cursor = null;
try {
cursor = database.query(TABLE_NAME, null, ID_WHERE, new String[] {partId+""}, null, null, null);
if (cursor != null && cursor.moveToFirst())
return getPart(cursor, includeData);
else
return null;
} finally {
if (cursor != null)
cursor.close();
}
}
public List<Pair<Long, PduPart>> getParts(long mmsId, boolean includeData) {
SQLiteDatabase database = databaseHelper.getReadableDatabase();
List<Pair<Long, PduPart>> results = new LinkedList<Pair<Long, PduPart>>();
Cursor cursor = null;
try {
cursor = database.query(TABLE_NAME, null, MMS_ID + " = ?", new String[] {mmsId+""}, null, null, null);
while (cursor != null && cursor.moveToNext()) {
PduPart part = getPart(cursor, includeData);
results.add(new Pair<Long, PduPart>(cursor.getLong(cursor.getColumnIndexOrThrow(ID)),
part));
}
return results;
} finally {
if (cursor != null)
cursor.close();
}
}
public List<Pair<Long, Pair<Long, PduPart>>> getPushPendingParts() {
SQLiteDatabase database = databaseHelper.getReadableDatabase();
List<Pair<Long, Pair<Long, PduPart>>> results = new LinkedList<Pair<Long, Pair<Long, PduPart>>>();
Cursor cursor = null;
try {
cursor = database.query(TABLE_NAME, null, PENDING_PUSH_ATTACHMENT + " = ?", new String[] {"1"}, null, null, null);
while (cursor != null && cursor.moveToNext()) {
PduPart part = getPart(cursor, false);
results.add(new Pair<Long, Pair<Long, PduPart>>(cursor.getLong(cursor.getColumnIndexOrThrow(MMS_ID)),
new Pair<Long, PduPart>(cursor.getLong(cursor.getColumnIndexOrThrow(ID)),
part)));
}
return results;
} finally {
if (cursor != null)
cursor.close();
}
}
public void deleteParts(long mmsId) {
SQLiteDatabase database = databaseHelper.getWritableDatabase();
Cursor cursor = null;
try {
cursor = database.query(TABLE_NAME, new String[] {DATA}, MMS_ID + " = ?", new String[] {mmsId+""}, null, null, null);
while (cursor != null && cursor.moveToNext()) {
String data = cursor.getString(0);
if (!TextUtils.isEmpty(data)) {
new File(cursor.getString(0)).delete();
}
}
} finally {
if (cursor != null)
cursor.close();
}
database.delete(TABLE_NAME, MMS_ID + " = ?", new String[] {mmsId+""});
}
public void deleteAllParts() {
SQLiteDatabase database = databaseHelper.getWritableDatabase();
database.delete(TABLE_NAME, null, null);
File partsDirectory = context.getDir("parts", Context.MODE_PRIVATE);
File[] parts = partsDirectory.listFiles();
for (int i=0;i<parts.length;i++) {
parts[i].delete();
}
}
}