Moxie Marlinspike
8 years ago
parent
a02f223a96
commit
5a5e47f2df
@ -1,295 +0,0 @@
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package org.thoughtcrime.securesms.database;
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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.net.Uri;
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import android.provider.ContactsContract.CommonDataKinds.Phone;
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import android.support.annotation.NonNull;
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import android.text.TextUtils;
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import android.util.Log;
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import org.whispersystems.signalservice.api.push.ContactTokenDetails;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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public class TextSecureDirectory {
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private static final int INTRODUCED_CHANGE_FROM_TOKEN_TO_E164_NUMBER = 2;
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private static final int INTRODUCED_VOICE_COLUMN = 4;
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private static final int INTRODUCED_VIDEO_COLUMN = 5;
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private static final String DATABASE_NAME = "whisper_directory.db";
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private static final int DATABASE_VERSION = 5;
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private static final String TABLE_NAME = "directory";
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private static final String ID = "_id";
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private static final String NUMBER = "number";
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private static final String REGISTERED = "registered";
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private static final String RELAY = "relay";
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private static final String TIMESTAMP = "timestamp";
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private static final String VOICE = "voice";
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private static final String VIDEO = "video";
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private static final String CREATE_TABLE = "CREATE TABLE " + TABLE_NAME + "(" + ID + " INTEGER PRIMARY KEY, " +
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NUMBER + " TEXT UNIQUE, " +
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REGISTERED + " INTEGER, " +
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RELAY + " TEXT, " +
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TIMESTAMP + " INTEGER, " +
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VOICE + " INTEGER, " +
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VIDEO + " INTEGER);";
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private static final Object instanceLock = new Object();
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private static volatile TextSecureDirectory instance;
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public static TextSecureDirectory getInstance(Context context) {
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if (instance == null) {
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synchronized (instanceLock) {
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if (instance == null) {
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instance = new TextSecureDirectory(context.getApplicationContext());
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}
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}
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}
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return instance;
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}
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private final DatabaseHelper databaseHelper;
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private final Context context;
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private TextSecureDirectory(Context context) {
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this.context = context;
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this.databaseHelper = new DatabaseHelper(context, DATABASE_NAME, null, DATABASE_VERSION);
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}
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public boolean isSecureTextSupported(@NonNull Address address) throws NotInDirectoryException {
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if (address.isEmail()) return false;
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if (address.isGroup()) return true;
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SQLiteDatabase db = databaseHelper.getReadableDatabase();
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Cursor cursor = null;
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try {
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cursor = db.query(TABLE_NAME,
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new String[]{REGISTERED}, NUMBER + " = ?",
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new String[] {address.serialize()}, null, null, null);
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if (cursor != null && cursor.moveToFirst()) {
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return cursor.getInt(0) == 1;
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} else {
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throw new NotInDirectoryException();
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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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// public boolean isSecureVoiceSupported(String e164number) throws NotInDirectoryException {
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// if (TextUtils.isEmpty(e164number)) {
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// return false;
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// }
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//
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// SQLiteDatabase db = databaseHelper.getReadableDatabase();
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// Cursor cursor = null;
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//
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// try {
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// cursor = db.query(TABLE_NAME,
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// new String[]{VOICE}, NUMBER + " = ?",
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// new String[] {e164number}, null, null, null);
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//
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// if (cursor != null && cursor.moveToFirst()) {
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// return cursor.getInt(0) == 1;
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// } else {
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// throw new NotInDirectoryException();
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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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// }
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// public boolean isSecureVideoSupported(String e164number) throws NotInDirectoryException {
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// if (TextUtils.isEmpty(e164number)) {
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// return false;
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// }
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//
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// SQLiteDatabase db = databaseHelper.getReadableDatabase();
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// Cursor cursor = null;
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//
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// try {
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// cursor = db.query(TABLE_NAME,
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// new String[]{VIDEO}, NUMBER + " = ?",
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// new String[] {e164number}, null, null, null);
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//
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// if (cursor != null && cursor.moveToFirst()) {
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// return cursor.getInt(0) == 1;
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// } else {
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// throw new NotInDirectoryException();
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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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// }
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public String getRelay(String e164number) {
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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, NUMBER + " = ?", new String[]{e164number}, null, null, null);
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if (cursor != null && cursor.moveToFirst()) {
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return cursor.getString(cursor.getColumnIndexOrThrow(RELAY));
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}
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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 void setNumber(ContactTokenDetails token, boolean active) {
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SQLiteDatabase db = databaseHelper.getWritableDatabase();
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ContentValues values = new ContentValues();
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values.put(NUMBER, token.getNumber());
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values.put(REGISTERED, active ? 1 : 0);
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values.put(TIMESTAMP, System.currentTimeMillis());
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values.put(RELAY, token.getRelay());
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values.put(VOICE, token.isVoice());
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values.put(VIDEO, token.isVideo());
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db.replace(TABLE_NAME, null, values);
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}
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public void setNumbers(List<ContactTokenDetails> activeTokens, Collection<Address> inactiveAddresses) {
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long timestamp = System.currentTimeMillis();
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SQLiteDatabase db = databaseHelper.getWritableDatabase();
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db.beginTransaction();
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try {
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for (ContactTokenDetails token : activeTokens) {
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Log.w("Directory", "Adding active token: " + token.getNumber() + ", " + token.getToken() + ", video: " + token.isVideo());
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ContentValues values = new ContentValues();
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values.put(NUMBER, token.getNumber());
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values.put(REGISTERED, 1);
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values.put(TIMESTAMP, timestamp);
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values.put(RELAY, token.getRelay());
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values.put(VOICE, token.isVoice());
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values.put(VIDEO, token.isVideo());
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db.replace(TABLE_NAME, null, values);
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}
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for (Address address : inactiveAddresses) {
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ContentValues values = new ContentValues();
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values.put(NUMBER, address.serialize());
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values.put(REGISTERED, 0);
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values.put(TIMESTAMP, timestamp);
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db.replace(TABLE_NAME, null, values);
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}
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db.setTransactionSuccessful();
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} finally {
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db.endTransaction();
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}
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}
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public Set<Address> getPushEligibleContactNumbers() {
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final Uri uri = Phone.CONTENT_URI;
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final Set<Address> results = new HashSet<>();
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Cursor cursor = null;
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try {
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cursor = context.getContentResolver().query(uri, new String[] {Phone.NUMBER}, null, null, null);
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while (cursor != null && cursor.moveToNext()) {
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final String rawNumber = cursor.getString(0);
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if (!TextUtils.isEmpty(rawNumber)) {
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results.add(Address.fromExternal(context, rawNumber));
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}
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}
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if (cursor != null)
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cursor.close();
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final SQLiteDatabase readableDb = databaseHelper.getReadableDatabase();
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if (readableDb != null) {
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cursor = readableDb.query(TABLE_NAME, new String[]{NUMBER},
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null, null, null, null, null);
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while (cursor != null && cursor.moveToNext()) {
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results.add(Address.fromSerialized(cursor.getString(0)));
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}
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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<String> getActiveNumbers() {
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final List<String> results = new ArrayList<>();
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Cursor cursor = null;
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try {
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cursor = databaseHelper.getReadableDatabase().query(TABLE_NAME, new String[]{NUMBER},
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REGISTERED + " = 1", null, null, null, null);
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while (cursor != null && cursor.moveToNext()) {
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results.add(cursor.getString(0));
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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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private static class DatabaseHelper extends SQLiteOpenHelper {
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public DatabaseHelper(Context context, String name,
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SQLiteDatabase.CursorFactory factory,
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int version)
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{
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super(context, name, factory, version);
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}
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@Override
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public void onCreate(SQLiteDatabase db) {
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db.execSQL(CREATE_TABLE);
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}
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@Override
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public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
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if (oldVersion < INTRODUCED_CHANGE_FROM_TOKEN_TO_E164_NUMBER) {
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db.execSQL("DROP TABLE directory;");
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db.execSQL("CREATE TABLE directory ( _id INTEGER PRIMARY KEY, " +
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"number TEXT UNIQUE, " +
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"registered INTEGER, " +
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"relay TEXT, " +
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"supports_sms INTEGER, " +
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"timestamp INTEGER);");
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}
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if (oldVersion < INTRODUCED_VOICE_COLUMN) {
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db.execSQL("ALTER TABLE directory ADD COLUMN voice INTEGER;");
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}
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if (oldVersion < INTRODUCED_VIDEO_COLUMN) {
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db.execSQL("ALTER TABLE directory ADD COLUMN video INTEGER;");
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}
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}
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}
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}
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