196 lines
8.2 KiB
Java
196 lines
8.2 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.ui.keyview.loader;
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import java.util.ArrayList;
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import java.util.Collections;
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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.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import android.database.Cursor;
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import android.graphics.drawable.Drawable;
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import android.support.annotation.Nullable;
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import com.google.auto.value.AutoValue;
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import com.squareup.sqldelight.SqlDelightQuery;
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import org.openintents.openpgp.util.OpenPgpApi;
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import org.sufficientlysecure.keychain.KeychainDatabase;
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import org.sufficientlysecure.keychain.daos.AutocryptPeerDao;
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import org.sufficientlysecure.keychain.model.AutocryptPeer;
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import org.sufficientlysecure.keychain.model.UserPacket;
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import org.sufficientlysecure.keychain.model.UserPacket.UserId;
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import org.sufficientlysecure.keychain.ui.util.PackageIconGetter;
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public class IdentityDao {
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private final SupportSQLiteDatabase db;
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private final PackageIconGetter packageIconGetter;
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private final PackageManager packageManager;
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private final AutocryptPeerDao autocryptPeerDao;
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public static IdentityDao getInstance(Context context) {
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SupportSQLiteDatabase db = KeychainDatabase.getInstance(context).getWritableDatabase();
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PackageManager packageManager = context.getPackageManager();
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PackageIconGetter iconGetter = PackageIconGetter.getInstance(context);
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AutocryptPeerDao autocryptPeerDao = AutocryptPeerDao.getInstance(context);
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return new IdentityDao(db, packageManager, iconGetter, autocryptPeerDao);
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}
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private IdentityDao(SupportSQLiteDatabase db,
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PackageManager packageManager, PackageIconGetter iconGetter,
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AutocryptPeerDao autocryptPeerDao) {
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this.db = db;
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this.packageManager = packageManager;
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this.packageIconGetter = iconGetter;
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this.autocryptPeerDao = autocryptPeerDao;
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}
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public List<IdentityInfo> getIdentityInfos(long masterKeyId) {
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ArrayList<IdentityInfo> identities = new ArrayList<>();
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loadUserIds(identities, masterKeyId);
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correlateOrAddAutocryptPeers(identities, masterKeyId);
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return Collections.unmodifiableList(identities);
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}
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private void correlateOrAddAutocryptPeers(ArrayList<IdentityInfo> identities, long masterKeyId) {
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for (AutocryptPeer autocryptPeer : autocryptPeerDao.getAutocryptPeersForKey(masterKeyId)) {
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String packageName = autocryptPeer.package_name();
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String autocryptId = autocryptPeer.identifier();
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Drawable drawable = packageIconGetter.getDrawableForPackageName(packageName);
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Intent autocryptPeerIntent = getAutocryptPeerActivityIntentIfResolvable(packageName, autocryptId);
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UserIdInfo associatedUserIdInfo = findUserIdMatchingAutocryptPeer(identities, autocryptId);
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if (associatedUserIdInfo != null) {
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int position = identities.indexOf(associatedUserIdInfo);
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AutocryptPeerInfo autocryptPeerInfo = AutocryptPeerInfo
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.create(masterKeyId, associatedUserIdInfo, autocryptId, packageName, drawable, autocryptPeerIntent);
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identities.set(position, autocryptPeerInfo);
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} else {
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AutocryptPeerInfo autocryptPeerInfo = AutocryptPeerInfo
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.create(masterKeyId, autocryptId, packageName, drawable, autocryptPeerIntent);
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identities.add(autocryptPeerInfo);
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}
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}
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}
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private Intent getAutocryptPeerActivityIntentIfResolvable(String packageName, String autocryptPeer) {
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Intent intent = new Intent();
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intent.setAction("org.autocrypt.PEER_ACTION");
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intent.setPackage(packageName);
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intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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intent.putExtra(OpenPgpApi.EXTRA_AUTOCRYPT_PEER_ID, autocryptPeer);
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List<ResolveInfo> resolveInfos = packageManager.queryIntentActivities(intent, 0);
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if (resolveInfos != null && !resolveInfos.isEmpty()) {
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return intent;
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} else {
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return null;
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}
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}
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private static UserIdInfo findUserIdMatchingAutocryptPeer(List<IdentityInfo> identities, String autocryptPeer) {
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for (IdentityInfo identityInfo : identities) {
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if (identityInfo instanceof UserIdInfo) {
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UserIdInfo userIdInfo = (UserIdInfo) identityInfo;
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if (autocryptPeer.equals(userIdInfo.getEmail())) {
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return userIdInfo;
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}
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}
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}
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return null;
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}
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private void loadUserIds(ArrayList<IdentityInfo> identities, long... masterKeyId) {
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SqlDelightQuery query = UserPacket.FACTORY.selectUserIdsByMasterKeyId(masterKeyId);
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try (Cursor cursor = db.query(query)) {
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while (cursor.moveToNext()) {
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UserId userId = UserPacket.USER_ID_MAPPER.map(cursor);
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if (userId.name() != null || userId.email() != null) {
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IdentityInfo identityInfo = UserIdInfo.create(
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userId.master_key_id(), userId.rank(), userId.isVerified(), userId.is_primary(), userId.name(), userId.email(), userId.comment());
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identities.add(identityInfo);
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}
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}
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}
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}
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public interface IdentityInfo {
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long getMasterKeyId();
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int getRank();
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boolean isVerified();
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boolean isPrimary();
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}
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@AutoValue
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public abstract static class UserIdInfo implements IdentityInfo {
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public abstract long getMasterKeyId();
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public abstract int getRank();
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public abstract boolean isVerified();
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public abstract boolean isPrimary();
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@Nullable
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public abstract String getName();
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@Nullable
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public abstract String getEmail();
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@Nullable
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public abstract String getComment();
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static UserIdInfo create(long masterKeyId, int rank, boolean isVerified, boolean isPrimary, String name, String email,
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String comment) {
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return new AutoValue_IdentityDao_UserIdInfo(masterKeyId, rank, isVerified, isPrimary, name, email, comment);
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}
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}
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@AutoValue
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public abstract static class AutocryptPeerInfo implements IdentityInfo {
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public abstract long getMasterKeyId();
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public abstract int getRank();
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public abstract boolean isVerified();
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public abstract boolean isPrimary();
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public abstract String getIdentity();
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public abstract String getPackageName();
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@Nullable
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public abstract Drawable getAppIcon();
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@Nullable
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public abstract UserIdInfo getUserIdInfo();
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@Nullable
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public abstract Intent getAutocryptPeerIntent();
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static AutocryptPeerInfo create(long masterKeyId, UserIdInfo userIdInfo, String autocryptPeer, String packageName,
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Drawable appIcon, Intent autocryptPeerIntent) {
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return new AutoValue_IdentityDao_AutocryptPeerInfo(masterKeyId, userIdInfo.getRank(), userIdInfo.isVerified(),
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userIdInfo.isPrimary(), autocryptPeer, packageName, appIcon, userIdInfo, autocryptPeerIntent);
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}
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static AutocryptPeerInfo create(long masterKeyId, String autocryptPeer, String packageName, Drawable appIcon, Intent autocryptPeerIntent) {
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return new AutoValue_IdentityDao_AutocryptPeerInfo(masterKeyId,0, false, false, autocryptPeer, packageName, appIcon, null, autocryptPeerIntent);
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}
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}
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}
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