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