710 lines
34 KiB
Java
710 lines
34 KiB
Java
/*
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* Copyright (C) 2017 Schürmann & Breitmoser GbR
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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.sufficientlysecure.keychain.provider;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import android.arch.persistence.db.SupportSQLiteDatabase;
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import android.content.ContentProvider;
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import android.content.ContentResolver;
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import android.content.ContentValues;
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import android.content.UriMatcher;
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import android.database.Cursor;
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import android.database.DatabaseUtils;
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import android.database.sqlite.SQLiteConstraintException;
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import android.database.sqlite.SQLiteDatabase;
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import android.database.sqlite.SQLiteQueryBuilder;
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import android.net.Uri;
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import android.support.annotation.NonNull;
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import android.text.TextUtils;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.model.AutocryptPeer;
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import org.sufficientlysecure.keychain.pgp.WrappedUserAttribute;
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import org.sufficientlysecure.keychain.provider.KeychainContract.Certs;
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import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRingData;
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import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
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import org.sufficientlysecure.keychain.provider.KeychainContract.KeySignatures;
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import org.sufficientlysecure.keychain.provider.KeychainContract.Keys;
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import org.sufficientlysecure.keychain.provider.KeychainContract.UserPackets;
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import org.sufficientlysecure.keychain.provider.KeychainContract.UserPacketsColumns;
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import org.sufficientlysecure.keychain.provider.KeychainDatabase.Tables;
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import org.sufficientlysecure.keychain.util.DatabaseUtil;
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import timber.log.Timber;
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import static android.database.DatabaseUtils.dumpCursorToString;
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public class KeychainProvider extends ContentProvider implements SimpleContentResolverInterface {
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private static final int KEY_RINGS_UNIFIED = 101;
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private static final int KEY_RINGS_USER_IDS = 104;
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private static final int KEY_RING_UNIFIED = 200;
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private static final int KEY_RING_KEYS = 201;
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private static final int KEY_RING_USER_IDS = 202;
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private static final int KEY_RING_PUBLIC = 203;
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private static final int KEY_RING_CERTS = 205;
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private static final int KEY_RING_LINKED_IDS = 207;
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private static final int KEY_RINGS_FIND_BY_EMAIL = 400;
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private static final int KEY_RINGS_FIND_BY_SUBKEY = 401;
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private static final int KEY_RINGS_FIND_BY_USER_ID = 402;
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private static final int KEY_RINGS_FILTER_BY_SIGNER = 403;
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private static final int KEY_SIGNATURES = 700;
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protected UriMatcher mUriMatcher;
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/**
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* Build and return a {@link UriMatcher} that catches all {@link Uri} variations supported by
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* this {@link ContentProvider}.
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*/
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protected UriMatcher buildUriMatcher() {
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final UriMatcher matcher = new UriMatcher(UriMatcher.NO_MATCH);
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String authority = KeychainContract.CONTENT_AUTHORITY;
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/*
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* list key_rings
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*
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* <pre>
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* key_rings/unified
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* key_rings/user_ids
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* </pre>
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*/
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matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS
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+ "/" + KeychainContract.PATH_UNIFIED,
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KEY_RINGS_UNIFIED);
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matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS
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+ "/" + KeychainContract.PATH_USER_IDS,
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KEY_RINGS_USER_IDS);
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/*
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* find by criteria other than master key id
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*
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* key_rings/find/email/_
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* key_rings/find/subkey/_
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*
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*/
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matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS + "/"
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+ KeychainContract.PATH_FIND + "/" + KeychainContract.PATH_BY_EMAIL + "/*",
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KEY_RINGS_FIND_BY_EMAIL);
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matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS + "/"
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+ KeychainContract.PATH_FIND + "/" + KeychainContract.PATH_BY_SUBKEY + "/*",
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KEY_RINGS_FIND_BY_SUBKEY);
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matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS + "/"
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+ KeychainContract.PATH_FIND + "/" + KeychainContract.PATH_BY_USER_ID + "/*",
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KEY_RINGS_FIND_BY_USER_ID);
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matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS + "/"
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+ KeychainContract.PATH_FILTER + "/" + KeychainContract.PATH_BY_SIGNER,
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KEY_RINGS_FILTER_BY_SIGNER);
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/*
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* list key_ring specifics
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*
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* <pre>
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* key_rings/_/unified
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* key_rings/_/keys
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* key_rings/_/user_ids
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* key_rings/_/linked_ids
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* key_rings/_/public
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* key_rings/_/certs
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* </pre>
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*/
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matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS + "/*/"
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+ KeychainContract.PATH_UNIFIED,
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KEY_RING_UNIFIED);
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matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS + "/*/"
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+ KeychainContract.PATH_KEYS,
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KEY_RING_KEYS);
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matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS + "/*/"
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+ KeychainContract.PATH_USER_IDS,
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KEY_RING_USER_IDS);
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matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS + "/*/"
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+ KeychainContract.PATH_LINKED_IDS,
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KEY_RING_LINKED_IDS);
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matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS + "/*/"
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+ KeychainContract.PATH_PUBLIC,
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KEY_RING_PUBLIC);
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matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS + "/*/"
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+ KeychainContract.PATH_CERTS,
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KEY_RING_CERTS);
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matcher.addURI(authority, KeychainContract.BASE_KEY_SIGNATURES, KEY_SIGNATURES);
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return matcher;
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}
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private KeychainDatabase mKeychainDatabase;
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean onCreate() {
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mUriMatcher = buildUriMatcher();
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return true;
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}
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public KeychainDatabase getDb() {
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if(mKeychainDatabase == null)
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mKeychainDatabase = new KeychainDatabase(getContext());
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return mKeychainDatabase;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public String getType(@NonNull Uri uri) {
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final int match = mUriMatcher.match(uri);
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switch (match) {
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case KEY_RING_KEYS:
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return Keys.CONTENT_TYPE;
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case KEY_RING_USER_IDS:
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return UserPackets.CONTENT_TYPE;
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case KEY_SIGNATURES:
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return KeySignatures.CONTENT_TYPE;
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default:
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throw new UnsupportedOperationException("Unknown uri: " + uri);
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public Cursor query(@NonNull Uri uri, String[] projection, String selection, String[] selectionArgs,
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String sortOrder) {
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Timber.v("query(uri=" + uri + ", proj=" + Arrays.toString(projection) + ")");
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SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
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int match = mUriMatcher.match(uri);
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// all query() parameters, for good measure
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String groupBy = null, having = null;
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switch (match) {
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case KEY_RING_UNIFIED:
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case KEY_RINGS_UNIFIED:
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case KEY_RINGS_FIND_BY_EMAIL:
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case KEY_RINGS_FIND_BY_SUBKEY:
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case KEY_RINGS_FIND_BY_USER_ID:
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case KEY_RINGS_FILTER_BY_SIGNER: {
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HashMap<String, String> projectionMap = new HashMap<>();
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projectionMap.put(KeyRings._ID, Tables.KEYS + ".oid AS _id");
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projectionMap.put(KeyRings.MASTER_KEY_ID, Tables.KEYS + "." + Keys.MASTER_KEY_ID);
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projectionMap.put(KeyRings.KEY_ID, Tables.KEYS + "." + Keys.KEY_ID);
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projectionMap.put(KeyRings.KEY_SIZE, Tables.KEYS + "." + Keys.KEY_SIZE);
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projectionMap.put(KeyRings.KEY_CURVE_OID, Tables.KEYS + "." + Keys.KEY_CURVE_OID);
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projectionMap.put(KeyRings.IS_REVOKED, Tables.KEYS + "." + Keys.IS_REVOKED);
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projectionMap.put(KeyRings.IS_SECURE, Tables.KEYS + "." + Keys.IS_SECURE);
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projectionMap.put(KeyRings.CAN_CERTIFY, Tables.KEYS + "." + Keys.CAN_CERTIFY);
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projectionMap.put(KeyRings.CAN_ENCRYPT, Tables.KEYS + "." + Keys.CAN_ENCRYPT);
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projectionMap.put(KeyRings.CAN_SIGN, Tables.KEYS + "." + Keys.CAN_SIGN);
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projectionMap.put(KeyRings.CAN_AUTHENTICATE, Tables.KEYS + "." + Keys.CAN_AUTHENTICATE);
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projectionMap.put(KeyRings.CREATION, Tables.KEYS + "." + Keys.CREATION);
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projectionMap.put(KeyRings.EXPIRY, Tables.KEYS + "." + Keys.EXPIRY);
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projectionMap.put(KeyRings.ALGORITHM, Tables.KEYS + "." + Keys.ALGORITHM);
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projectionMap.put(KeyRings.FINGERPRINT, Tables.KEYS + "." + Keys.FINGERPRINT);
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projectionMap.put(KeyRings.USER_ID, Tables.USER_PACKETS + "." + UserPackets.USER_ID);
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projectionMap.put(KeyRings.NAME, Tables.USER_PACKETS + "." + UserPackets.NAME);
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projectionMap.put(KeyRings.EMAIL, Tables.USER_PACKETS + "." + UserPackets.EMAIL);
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projectionMap.put(KeyRings.COMMENT, Tables.USER_PACKETS + "." + UserPackets.COMMENT);
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projectionMap.put(KeyRings.HAS_DUPLICATE_USER_ID,
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"(EXISTS (SELECT * FROM " + Tables.USER_PACKETS + " AS dups"
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+ " WHERE dups." + UserPackets.MASTER_KEY_ID
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+ " != " + Tables.KEYS + "." + Keys.MASTER_KEY_ID
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+ " AND dups." + UserPackets.RANK + " = 0"
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+ " AND dups." + UserPackets.NAME
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+ " = " + Tables.USER_PACKETS + "." + UserPackets.NAME + " COLLATE NOCASE"
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+ " AND dups." + UserPackets.EMAIL
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+ " = " + Tables.USER_PACKETS + "." + UserPackets.EMAIL + " COLLATE NOCASE"
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+ ")) AS " + KeyRings.HAS_DUPLICATE_USER_ID);
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projectionMap.put(KeyRings.VERIFIED, Tables.CERTS + "." + Certs.VERIFIED);
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projectionMap.put(KeyRings.HAS_SECRET, Tables.KEYS + "." + KeyRings.HAS_SECRET);
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projectionMap.put(KeyRings.HAS_ANY_SECRET,
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"(EXISTS (SELECT * FROM " + Tables.KEYS + " AS k WHERE "
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+ "k." + Keys.HAS_SECRET + " != 0"
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+ " AND k." + Keys.MASTER_KEY_ID + " = "
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+ Tables.KEYS + "." + KeyRingData.MASTER_KEY_ID
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+ ")) AS " + KeyRings.HAS_ANY_SECRET);
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projectionMap.put(KeyRings.HAS_ENCRYPT,
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"kE." + Keys.KEY_ID + " AS " + KeyRings.HAS_ENCRYPT);
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projectionMap.put(KeyRings.HAS_SIGN_SECRET,
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"kS." + Keys.KEY_ID + " AS " + KeyRings.HAS_SIGN_SECRET);
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projectionMap.put(KeyRings.HAS_AUTHENTICATE,
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"kA." + Keys.KEY_ID + " AS " + KeyRings.HAS_AUTHENTICATE);
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projectionMap.put(KeyRings.HAS_AUTHENTICATE_SECRET,
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"kA." + Keys.KEY_ID + " AS " + KeyRings.HAS_AUTHENTICATE_SECRET);
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projectionMap.put(KeyRings.HAS_CERTIFY_SECRET,
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"kC." + Keys.KEY_ID + " AS " + KeyRings.HAS_CERTIFY_SECRET);
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projectionMap.put(KeyRings.IS_EXPIRED,
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"(" + Tables.KEYS + "." + Keys.EXPIRY + " IS NOT NULL AND " + Tables.KEYS + "." + Keys.EXPIRY
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+ " < " + new Date().getTime() / 1000 + ") AS " + KeyRings.IS_EXPIRED);
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projectionMap.put(KeyRings.API_KNOWN_TO_PACKAGE_NAMES,
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"GROUP_CONCAT(DISTINCT aTI." + AutocryptPeer.PACKAGE_NAME + ") AS "
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+ KeyRings.API_KNOWN_TO_PACKAGE_NAMES);
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qb.setProjectionMap(projectionMap);
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if (projection == null) {
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throw new IllegalArgumentException("Please provide a projection!");
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}
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// Need this as list so we can search in it
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List<String> plist = Arrays.asList(projection);
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qb.setTables(
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Tables.KEYS
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+ " INNER JOIN " + Tables.USER_PACKETS + " ON ("
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+ Tables.KEYS + "." + Keys.MASTER_KEY_ID
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+ " = "
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+ Tables.USER_PACKETS + "." + UserPackets.MASTER_KEY_ID
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// we KNOW that the rank zero user packet is a user id!
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+ " AND " + Tables.USER_PACKETS + "." + UserPackets.RANK + " = 0"
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+ ") LEFT JOIN " + Tables.CERTS + " ON ("
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+ Tables.KEYS + "." + Keys.MASTER_KEY_ID
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+ " = "
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+ Tables.CERTS + "." + KeyRings.MASTER_KEY_ID
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+ " AND " + Tables.CERTS + "." + Certs.VERIFIED
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+ " = " + Certs.VERIFIED_SECRET
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+ ")"
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// fairly expensive joins following, only do when requested
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+ (plist.contains(KeyRings.HAS_ENCRYPT) ?
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" LEFT JOIN " + Tables.KEYS + " AS kE ON ("
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+"kE." + Keys.MASTER_KEY_ID
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+ " = " + Tables.KEYS + "." + Keys.MASTER_KEY_ID
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+ " AND kE." + Keys.IS_REVOKED + " = 0"
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+ " AND kE." + Keys.IS_SECURE + " = 1"
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+ " AND kE." + Keys.CAN_ENCRYPT + " = 1"
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+ " AND ( kE." + Keys.EXPIRY + " IS NULL OR kE." + Keys.EXPIRY
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+ " >= " + new Date().getTime() / 1000 + " )"
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+ ")" : "")
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+ (plist.contains(KeyRings.HAS_SIGN_SECRET) ?
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" LEFT JOIN " + Tables.KEYS + " AS kS ON ("
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+"kS." + Keys.MASTER_KEY_ID
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+ " = " + Tables.KEYS + "." + Keys.MASTER_KEY_ID
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+ " AND kS." + Keys.IS_REVOKED + " = 0"
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+ " AND kS." + Keys.IS_SECURE + " = 1"
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+ " AND kS." + Keys.CAN_SIGN + " = 1"
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+ " AND kS." + Keys.HAS_SECRET + " > 1"
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+ " AND ( kS." + Keys.EXPIRY + " IS NULL OR kS." + Keys.EXPIRY
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+ " >= " + new Date().getTime() / 1000 + " )"
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+ ")" : "")
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+ (plist.contains(KeyRings.HAS_AUTHENTICATE) ?
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" LEFT JOIN " + Tables.KEYS + " AS kA ON ("
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+"kA." + Keys.MASTER_KEY_ID
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+ " = " + Tables.KEYS + "." + Keys.MASTER_KEY_ID
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+ " AND kA." + Keys.IS_REVOKED + " = 0"
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+ " AND kA." + Keys.IS_SECURE + " = 1"
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+ " AND kA." + Keys.CAN_AUTHENTICATE + " = 1"
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+ " AND ( kA." + Keys.EXPIRY + " IS NULL OR kA." + Keys.EXPIRY
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+ " >= " + new Date().getTime() / 1000 + " )"
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+ ")" : "")
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+ (plist.contains(KeyRings.HAS_AUTHENTICATE_SECRET) ?
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" LEFT JOIN " + Tables.KEYS + " AS kA ON ("
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+"kA." + Keys.MASTER_KEY_ID
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+ " = " + Tables.KEYS + "." + Keys.MASTER_KEY_ID
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+ " AND kA." + Keys.IS_REVOKED + " = 0"
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+ " AND kA." + Keys.IS_SECURE + " = 1"
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+ " AND kA." + Keys.CAN_AUTHENTICATE + " = 1"
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+ " AND kA." + Keys.HAS_SECRET + " > 1"
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+ " AND ( kA." + Keys.EXPIRY + " IS NULL OR kA." + Keys.EXPIRY
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+ " >= " + new Date().getTime() / 1000 + " )"
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+ ")" : "")
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+ (plist.contains(KeyRings.HAS_CERTIFY_SECRET) ?
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" LEFT JOIN " + Tables.KEYS + " AS kC ON ("
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+"kC." + Keys.MASTER_KEY_ID
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+ " = " + Tables.KEYS + "." + Keys.MASTER_KEY_ID
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+ " AND kC." + Keys.IS_REVOKED + " = 0"
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+ " AND kC." + Keys.IS_SECURE + " = 1"
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+ " AND kC." + Keys.CAN_CERTIFY + " = 1"
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+ " AND kC." + Keys.HAS_SECRET + " > 1"
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+ " AND ( kC." + Keys.EXPIRY + " IS NULL OR kC." + Keys.EXPIRY
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+ " >= " + new Date().getTime() / 1000 + " )"
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+ ")" : "")
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+ (plist.contains(KeyRings.API_KNOWN_TO_PACKAGE_NAMES) ?
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" LEFT JOIN " + AutocryptPeer.TABLE_NAME + " AS aTI ON ("
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+"aTI." + AutocryptPeer.MASTER_KEY_ID
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+ " = " + Tables.KEYS + "." + Keys.MASTER_KEY_ID
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+ ")" : "")
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);
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qb.appendWhere(Tables.KEYS + "." + Keys.RANK + " = 0");
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// in case there are multiple verifying certificates
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groupBy = Tables.KEYS + "." + Keys.MASTER_KEY_ID;
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switch(match) {
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case KEY_RING_UNIFIED: {
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qb.appendWhere(" AND " + Tables.KEYS + "." + Keys.MASTER_KEY_ID + " = ");
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qb.appendWhereEscapeString(uri.getPathSegments().get(1));
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break;
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}
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case KEY_RINGS_FIND_BY_SUBKEY: {
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try {
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String subkey = Long.valueOf(uri.getLastPathSegment()).toString();
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qb.appendWhere(" AND EXISTS ("
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+ " SELECT 1 FROM " + Tables.KEYS + " AS tmp"
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+ " WHERE tmp." + UserPackets.MASTER_KEY_ID
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+ " = " + Tables.KEYS + "." + Keys.MASTER_KEY_ID
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+ " AND tmp." + Keys.KEY_ID + " = " + subkey + ""
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+ ")");
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} catch(NumberFormatException e) {
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Timber.e(e, "Malformed find by subkey query!");
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qb.appendWhere(" AND 0");
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}
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break;
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}
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case KEY_RINGS_FILTER_BY_SIGNER: {
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StringBuilder signerKeyIds = new StringBuilder();
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signerKeyIds.append(selectionArgs[0]);
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for (int i = 1; i < selectionArgs.length; i++) {
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signerKeyIds.append(',').append(selectionArgs[i]);
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}
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qb.appendWhere(" AND EXISTS (SELECT 1 FROM " + Tables.KEY_SIGNATURES + " WHERE " +
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Tables.KEY_SIGNATURES + "." + KeySignatures.MASTER_KEY_ID + " = " + Tables.KEYS + "." + Keys.MASTER_KEY_ID +
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" AND " +
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Tables.KEY_SIGNATURES + "." + KeySignatures.SIGNER_KEY_ID + " IN (" + signerKeyIds + ")" +
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")");
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selection = null;
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selectionArgs = null;
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break;
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}
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case KEY_RINGS_FIND_BY_EMAIL:
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case KEY_RINGS_FIND_BY_USER_ID: {
|
|
String chunks[] = uri.getLastPathSegment().split(" *, *");
|
|
boolean gotCondition = false;
|
|
String emailWhere = "";
|
|
// JAVA ♥
|
|
for (int i = 0; i < chunks.length; ++i) {
|
|
if (chunks[i].length() == 0) {
|
|
continue;
|
|
}
|
|
if (i != 0) {
|
|
emailWhere += " OR ";
|
|
}
|
|
if (match == KEY_RINGS_FIND_BY_EMAIL) {
|
|
emailWhere += "tmp." + UserPackets.EMAIL + " LIKE "
|
|
+ DatabaseUtils.sqlEscapeString(chunks[i]);
|
|
} else {
|
|
emailWhere += "tmp." + UserPackets.USER_ID + " LIKE "
|
|
+ DatabaseUtils.sqlEscapeString("%" + chunks[i] + "%");
|
|
}
|
|
gotCondition = true;
|
|
}
|
|
if(gotCondition) {
|
|
qb.appendWhere(" AND EXISTS ("
|
|
+ " SELECT 1 FROM " + Tables.USER_PACKETS + " AS tmp"
|
|
+ " WHERE tmp." + UserPackets.MASTER_KEY_ID
|
|
+ " = " + Tables.KEYS + "." + Keys.MASTER_KEY_ID
|
|
+ " AND (" + emailWhere + ")"
|
|
+ ")");
|
|
} else {
|
|
// TODO better way to do this?
|
|
Timber.e("Malformed find by email query!");
|
|
qb.appendWhere(" AND 0");
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (TextUtils.isEmpty(sortOrder)) {
|
|
sortOrder = Tables.USER_PACKETS + "." + UserPackets.USER_ID + " ASC";
|
|
}
|
|
|
|
// uri to watch is all /key_rings/
|
|
uri = KeyRings.CONTENT_URI;
|
|
|
|
break;
|
|
}
|
|
|
|
case KEY_RING_KEYS: {
|
|
HashMap<String, String> projectionMap = new HashMap<>();
|
|
projectionMap.put(Keys._ID, Tables.KEYS + ".oid AS _id");
|
|
projectionMap.put(Keys.MASTER_KEY_ID, Tables.KEYS + "." + Keys.MASTER_KEY_ID);
|
|
projectionMap.put(Keys.RANK, Tables.KEYS + "." + Keys.RANK);
|
|
projectionMap.put(Keys.KEY_ID, Keys.KEY_ID);
|
|
projectionMap.put(Keys.KEY_SIZE, Keys.KEY_SIZE);
|
|
projectionMap.put(Keys.KEY_CURVE_OID, Keys.KEY_CURVE_OID);
|
|
projectionMap.put(Keys.IS_REVOKED, Tables.KEYS + "." + Keys.IS_REVOKED);
|
|
projectionMap.put(Keys.IS_SECURE, Tables.KEYS + "." + Keys.IS_SECURE);
|
|
projectionMap.put(Keys.CAN_CERTIFY, Keys.CAN_CERTIFY);
|
|
projectionMap.put(Keys.CAN_ENCRYPT, Keys.CAN_ENCRYPT);
|
|
projectionMap.put(Keys.CAN_SIGN, Keys.CAN_SIGN);
|
|
projectionMap.put(Keys.CAN_AUTHENTICATE, Keys.CAN_AUTHENTICATE);
|
|
projectionMap.put(Keys.HAS_SECRET, Keys.HAS_SECRET);
|
|
projectionMap.put(Keys.CREATION, Keys.CREATION);
|
|
projectionMap.put(Keys.EXPIRY, Keys.EXPIRY);
|
|
projectionMap.put(Keys.ALGORITHM, Keys.ALGORITHM);
|
|
projectionMap.put(Keys.FINGERPRINT, Keys.FINGERPRINT);
|
|
qb.setProjectionMap(projectionMap);
|
|
|
|
qb.setTables(Tables.KEYS);
|
|
qb.appendWhere(Keys.MASTER_KEY_ID + " = ");
|
|
qb.appendWhereEscapeString(uri.getPathSegments().get(1));
|
|
|
|
break;
|
|
}
|
|
|
|
case KEY_RINGS_USER_IDS:
|
|
case KEY_RING_USER_IDS:
|
|
case KEY_RING_LINKED_IDS: {
|
|
HashMap<String, String> projectionMap = new HashMap<>();
|
|
projectionMap.put(UserPackets._ID, Tables.USER_PACKETS + ".oid AS _id");
|
|
projectionMap.put(UserPackets.MASTER_KEY_ID, Tables.USER_PACKETS + "." + UserPackets.MASTER_KEY_ID);
|
|
projectionMap.put(UserPackets.TYPE, Tables.USER_PACKETS + "." + UserPackets.TYPE);
|
|
projectionMap.put(UserPackets.USER_ID, Tables.USER_PACKETS + "." + UserPackets.USER_ID);
|
|
projectionMap.put(UserPackets.NAME, Tables.USER_PACKETS + "." + UserPackets.NAME);
|
|
projectionMap.put(UserPackets.EMAIL, Tables.USER_PACKETS + "." + UserPackets.EMAIL);
|
|
projectionMap.put(UserPackets.COMMENT, Tables.USER_PACKETS + "." + UserPackets.COMMENT);
|
|
projectionMap.put(UserPackets.ATTRIBUTE_DATA, Tables.USER_PACKETS + "." + UserPackets.ATTRIBUTE_DATA);
|
|
projectionMap.put(UserPackets.RANK, Tables.USER_PACKETS + "." + UserPackets.RANK);
|
|
projectionMap.put(UserPackets.IS_PRIMARY, Tables.USER_PACKETS + "." + UserPackets.IS_PRIMARY);
|
|
projectionMap.put(UserPackets.IS_REVOKED, Tables.USER_PACKETS + "." + UserPackets.IS_REVOKED);
|
|
// we take the minimum (>0) here, where "1" is "verified by known secret key"
|
|
projectionMap.put(UserPackets.VERIFIED, "MIN(" + Certs.VERIFIED + ") AS " + UserPackets.VERIFIED);
|
|
qb.setProjectionMap(projectionMap);
|
|
|
|
qb.setTables(Tables.USER_PACKETS
|
|
+ " LEFT JOIN " + Tables.CERTS + " ON ("
|
|
+ Tables.USER_PACKETS + "." + UserPackets.MASTER_KEY_ID + " = "
|
|
+ Tables.CERTS + "." + Certs.MASTER_KEY_ID
|
|
+ " AND " + Tables.USER_PACKETS + "." + UserPackets.RANK + " = "
|
|
+ Tables.CERTS + "." + Certs.RANK
|
|
+ " AND " + Tables.CERTS + "." + Certs.VERIFIED + " > 0"
|
|
+ ")");
|
|
groupBy = Tables.USER_PACKETS + "." + UserPackets.MASTER_KEY_ID
|
|
+ ", " + Tables.USER_PACKETS + "." + UserPackets.RANK;
|
|
|
|
if (match == KEY_RING_LINKED_IDS) {
|
|
qb.appendWhere(Tables.USER_PACKETS + "." + UserPackets.TYPE + " = "
|
|
+ WrappedUserAttribute.UAT_URI_ATTRIBUTE);
|
|
} else {
|
|
qb.appendWhere(Tables.USER_PACKETS + "." + UserPackets.TYPE + " IS NULL");
|
|
}
|
|
|
|
// If we are searching for a particular keyring's ids, add where
|
|
if (match == KEY_RING_USER_IDS || match == KEY_RING_LINKED_IDS) {
|
|
qb.appendWhere(" AND ");
|
|
qb.appendWhere(Tables.USER_PACKETS + "." + UserPackets.MASTER_KEY_ID + " = ");
|
|
qb.appendWhereEscapeString(uri.getPathSegments().get(1));
|
|
}
|
|
|
|
if (TextUtils.isEmpty(sortOrder)) {
|
|
sortOrder = Tables.USER_PACKETS + "." + UserPackets.MASTER_KEY_ID + " ASC"
|
|
+ "," + Tables.USER_PACKETS + "." + UserPackets.RANK + " ASC";
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
default: {
|
|
throw new IllegalArgumentException("Unknown URI " + uri + " (" + match + ")");
|
|
}
|
|
|
|
}
|
|
|
|
// If no sort order is specified use the default
|
|
String orderBy;
|
|
if (TextUtils.isEmpty(sortOrder)) {
|
|
orderBy = null;
|
|
} else {
|
|
orderBy = sortOrder;
|
|
}
|
|
|
|
SupportSQLiteDatabase db = getDb().getReadableDatabase();
|
|
|
|
String query = qb.buildQuery(projection, selection, groupBy, null, orderBy, null);
|
|
Cursor cursor = db.query(query, selectionArgs);
|
|
if (cursor != null) {
|
|
// Tell the cursor what uri to watch, so it knows when its source data changes
|
|
cursor.setNotificationUri(getContext().getContentResolver(), uri);
|
|
}
|
|
|
|
Timber.d("Query: " + qb.buildQuery(projection, selection, null, null, orderBy, null));
|
|
|
|
if (Constants.DEBUG && Constants.DEBUG_LOG_DB_QUERIES) {
|
|
Timber.d("Cursor: " + dumpCursorToString(cursor));
|
|
}
|
|
|
|
if (Constants.DEBUG && Constants.DEBUG_EXPLAIN_QUERIES) {
|
|
String rawQuery = qb.buildQuery(projection, selection, groupBy, having, orderBy, null);
|
|
DatabaseUtil.explainQuery(db, rawQuery);
|
|
}
|
|
|
|
return cursor;
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
@Override
|
|
public Uri insert(Uri uri, ContentValues values) {
|
|
Timber.d("insert(uri=" + uri + ", values=" + values.toString() + ")");
|
|
|
|
final SupportSQLiteDatabase db = getDb().getWritableDatabase();
|
|
|
|
Uri rowUri = null;
|
|
Long keyId = null;
|
|
try {
|
|
final int match = mUriMatcher.match(uri);
|
|
|
|
switch (match) {
|
|
case KEY_RING_PUBLIC: {
|
|
db.insert(Tables.KEY_RINGS_PUBLIC, SQLiteDatabase.CONFLICT_FAIL, values);
|
|
keyId = values.getAsLong(KeyRings.MASTER_KEY_ID);
|
|
break;
|
|
}
|
|
case KEY_RING_KEYS: {
|
|
db.insert(Tables.KEYS, SQLiteDatabase.CONFLICT_FAIL, values);
|
|
keyId = values.getAsLong(Keys.MASTER_KEY_ID);
|
|
break;
|
|
}
|
|
case KEY_RING_USER_IDS: {
|
|
// iff TYPE is null, user_id MUST be null as well
|
|
if (!(values.get(UserPacketsColumns.TYPE) == null
|
|
? (values.get(UserPacketsColumns.USER_ID) != null && values.get(UserPacketsColumns.ATTRIBUTE_DATA) == null)
|
|
: (values.get(UserPacketsColumns.ATTRIBUTE_DATA) != null && values.get(UserPacketsColumns.USER_ID) == null)
|
|
)) {
|
|
throw new AssertionError("Incorrect type for user packet! This is a bug!");
|
|
}
|
|
if (((Number) values.get(UserPacketsColumns.RANK)).intValue() == 0 && values.get(UserPacketsColumns.USER_ID) == null) {
|
|
throw new AssertionError("Rank 0 user packet must be a user id!");
|
|
}
|
|
db.insert(Tables.USER_PACKETS, SQLiteDatabase.CONFLICT_FAIL, values);
|
|
keyId = values.getAsLong(UserPackets.MASTER_KEY_ID);
|
|
break;
|
|
}
|
|
case KEY_RING_CERTS: {
|
|
// we replace here, keeping only the latest signature
|
|
// TODO this would be better handled in savePublicKeyRing directly!
|
|
db.insert(Tables.CERTS, SQLiteDatabase.CONFLICT_FAIL, values);
|
|
keyId = values.getAsLong(Certs.MASTER_KEY_ID);
|
|
break;
|
|
}
|
|
case KEY_SIGNATURES: {
|
|
db.insert(Tables.KEY_SIGNATURES, SQLiteDatabase.CONFLICT_FAIL, values);
|
|
rowUri = KeySignatures.CONTENT_URI;
|
|
break;
|
|
}
|
|
default: {
|
|
throw new UnsupportedOperationException("Unknown uri: " + uri);
|
|
}
|
|
}
|
|
|
|
if (keyId != null) {
|
|
uri = KeyRings.buildGenericKeyRingUri(keyId);
|
|
rowUri = uri;
|
|
}
|
|
|
|
} catch (SQLiteConstraintException e) {
|
|
Timber.d(e, "Constraint exception on insert! Entry already existing?");
|
|
}
|
|
|
|
return rowUri;
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
@Override
|
|
public int delete(Uri uri, String additionalSelection, String[] selectionArgs) {
|
|
Timber.v("delete(uri=" + uri + ")");
|
|
|
|
final SupportSQLiteDatabase db = getDb().getWritableDatabase();
|
|
|
|
int count;
|
|
final int match = mUriMatcher.match(uri);
|
|
|
|
ContentResolver contentResolver = getContext().getContentResolver();
|
|
switch (match) {
|
|
// dangerous
|
|
case KEY_RINGS_UNIFIED: {
|
|
count = db.delete(Tables.KEY_RINGS_PUBLIC, null, null);
|
|
break;
|
|
}
|
|
|
|
case KEY_RING_PUBLIC: {
|
|
@SuppressWarnings("ConstantConditions") // ensured by uriMatcher above
|
|
String selection = KeyRings.MASTER_KEY_ID + " = " + uri.getPathSegments().get(1);
|
|
if (!TextUtils.isEmpty(additionalSelection)) {
|
|
selection += " AND (" + additionalSelection + ")";
|
|
}
|
|
// corresponding keys and userIds are deleted by ON DELETE CASCADE
|
|
count = db.delete(Tables.KEY_RINGS_PUBLIC, selection, selectionArgs);
|
|
break;
|
|
}
|
|
|
|
default: {
|
|
throw new UnsupportedOperationException("Unknown uri: " + uri);
|
|
}
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
@Override
|
|
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
|
|
Timber.v("update(uri=" + uri + ", values=" + values.toString() + ")");
|
|
|
|
final SupportSQLiteDatabase db = getDb().getWritableDatabase();
|
|
|
|
int count = 0;
|
|
try {
|
|
final int match = mUriMatcher.match(uri);
|
|
switch (match) {
|
|
case KEY_RING_KEYS: {
|
|
if (values.size() != 1 || !values.containsKey(Keys.HAS_SECRET)) {
|
|
throw new UnsupportedOperationException(
|
|
"Only has_secret column may be updated!");
|
|
}
|
|
// make sure we get a long value here
|
|
Long mkid = Long.parseLong(uri.getPathSegments().get(1));
|
|
String actualSelection = Keys.MASTER_KEY_ID + " = " + Long.toString(mkid);
|
|
if (!TextUtils.isEmpty(selection)) {
|
|
actualSelection += " AND (" + selection + ")";
|
|
}
|
|
count = db.update(Tables.KEYS, SQLiteDatabase.CONFLICT_FAIL, values, actualSelection, selectionArgs);
|
|
break;
|
|
}
|
|
default: {
|
|
throw new UnsupportedOperationException("Unknown uri: " + uri);
|
|
}
|
|
}
|
|
} catch (SQLiteConstraintException e) {
|
|
Timber.d(e, "Constraint exception on update! Entry already existing?");
|
|
}
|
|
|
|
return count;
|
|
}
|
|
}
|