170 lines
5.7 KiB
Java
170 lines
5.7 KiB
Java
/*
|
|
* Copyright (C) 2017 Vincent Breitmoser <v.breitmoser@mugenguild.com>
|
|
*
|
|
* 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 org.sufficientlysecure.keychain.remote.ui.dialog;
|
|
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.Collections;
|
|
import java.util.List;
|
|
|
|
import android.content.ContentResolver;
|
|
import android.content.Context;
|
|
import android.database.Cursor;
|
|
import android.net.Uri;
|
|
import android.support.annotation.Nullable;
|
|
import android.support.v4.content.AsyncTaskLoader;
|
|
|
|
import com.google.auto.value.AutoValue;
|
|
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
|
|
import org.sufficientlysecure.keychain.provider.KeychainDatabase.Tables;
|
|
import org.sufficientlysecure.keychain.remote.ui.dialog.KeyLoader.KeyInfo;
|
|
|
|
|
|
public class KeyLoader extends AsyncTaskLoader<List<KeyInfo>> {
|
|
// These are the rows that we will retrieve.
|
|
private String[] QUERY_PROJECTION = new String[]{
|
|
KeyRings._ID,
|
|
KeyRings.MASTER_KEY_ID,
|
|
KeyRings.CREATION,
|
|
KeyRings.HAS_ENCRYPT,
|
|
KeyRings.HAS_AUTHENTICATE,
|
|
KeyRings.HAS_ANY_SECRET,
|
|
KeyRings.VERIFIED,
|
|
KeyRings.NAME,
|
|
KeyRings.EMAIL,
|
|
KeyRings.COMMENT,
|
|
KeyRings.IS_EXPIRED,
|
|
KeyRings.IS_REVOKED,
|
|
};
|
|
private static final int INDEX_MASTER_KEY_ID = 1;
|
|
private static final int INDEX_CREATION = 2;
|
|
private static final int INDEX_HAS_ENCRYPT = 3;
|
|
private static final int INDEX_HAS_AUTHENTICATE = 4;
|
|
private static final int INDEX_HAS_ANY_SECRET = 5;
|
|
private static final int INDEX_VERIFIED = 6;
|
|
private static final int INDEX_NAME = 7;
|
|
private static final int INDEX_EMAIL = 8;
|
|
private static final int INDEX_COMMENT = 9;
|
|
|
|
private static final String QUERY_WHERE = Tables.KEYS + "." + KeyRings.IS_REVOKED +
|
|
" = 0 AND " + KeyRings.IS_EXPIRED + " = 0";
|
|
private static final String QUERY_ORDER = Tables.KEYS + "." + KeyRings.CREATION + " DESC";
|
|
|
|
private final ContentResolver contentResolver;
|
|
private final KeySelector keySelector;
|
|
|
|
private List<KeyInfo> cachedResult;
|
|
|
|
KeyLoader(Context context, ContentResolver contentResolver, KeySelector keySelector) {
|
|
super(context);
|
|
|
|
this.contentResolver = contentResolver;
|
|
this.keySelector = keySelector;
|
|
}
|
|
|
|
@Override
|
|
public List<KeyInfo> loadInBackground() {
|
|
ArrayList<KeyInfo> keyInfos = new ArrayList<>();
|
|
Cursor cursor;
|
|
|
|
String selection = QUERY_WHERE + " AND " + keySelector.getSelection();
|
|
cursor = contentResolver.query(keySelector.getKeyRingUri(), QUERY_PROJECTION, selection, null, QUERY_ORDER);
|
|
|
|
if (cursor == null) {
|
|
return null;
|
|
}
|
|
|
|
while (cursor.moveToNext()) {
|
|
KeyInfo keyInfo = KeyInfo.fromCursor(cursor);
|
|
keyInfos.add(keyInfo);
|
|
}
|
|
|
|
return Collections.unmodifiableList(keyInfos);
|
|
}
|
|
|
|
@Override
|
|
public void deliverResult(List<KeyInfo> keySubkeyStatus) {
|
|
cachedResult = keySubkeyStatus;
|
|
|
|
if (isStarted()) {
|
|
super.deliverResult(keySubkeyStatus);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected void onStartLoading() {
|
|
if (cachedResult != null) {
|
|
deliverResult(cachedResult);
|
|
}
|
|
|
|
if (takeContentChanged() || cachedResult == null) {
|
|
forceLoad();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected void onStopLoading() {
|
|
super.onStopLoading();
|
|
|
|
cachedResult = null;
|
|
}
|
|
|
|
@AutoValue
|
|
public abstract static class KeyInfo {
|
|
public abstract long getMasterKeyId();
|
|
public abstract long getCreationDate();
|
|
public abstract boolean getHasEncrypt();
|
|
public abstract boolean getHasAuthenticate();
|
|
public abstract boolean getHasAnySecret();
|
|
public abstract boolean getIsVerified();
|
|
|
|
@Nullable
|
|
public abstract String getName();
|
|
@Nullable
|
|
public abstract String getEmail();
|
|
@Nullable
|
|
public abstract String getComment();
|
|
|
|
static KeyInfo fromCursor(Cursor cursor) {
|
|
long masterKeyId = cursor.getLong(INDEX_MASTER_KEY_ID);
|
|
long creationDate = cursor.getLong(INDEX_CREATION) * 1000L;
|
|
boolean hasEncrypt = cursor.getInt(INDEX_HAS_ENCRYPT) != 0;
|
|
boolean hasAuthenticate = cursor.getInt(INDEX_HAS_AUTHENTICATE) != 0;
|
|
boolean hasAnySecret = cursor.getInt(INDEX_HAS_ANY_SECRET) != 0;
|
|
boolean isVerified = cursor.getInt(INDEX_VERIFIED) == 2;
|
|
|
|
String name = cursor.getString(INDEX_NAME);
|
|
String email = cursor.getString(INDEX_EMAIL);
|
|
String comment = cursor.getString(INDEX_COMMENT);
|
|
|
|
return new AutoValue_KeyLoader_KeyInfo(
|
|
masterKeyId, creationDate, hasEncrypt, hasAuthenticate, hasAnySecret, isVerified, name, email, comment);
|
|
}
|
|
}
|
|
|
|
@AutoValue
|
|
public abstract static class KeySelector {
|
|
public abstract Uri getKeyRingUri();
|
|
public abstract String getSelection();
|
|
|
|
static KeySelector create(Uri keyRingUri, String selection) {
|
|
return new AutoValue_KeyLoader_KeySelector(keyRingUri, selection);
|
|
}
|
|
}
|
|
}
|