155 lines
6.4 KiB
Java
155 lines
6.4 KiB
Java
/*
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* Copyright (C) 2014-2015 Vincent Breitmoser <v.breitmoser@mugenguild.com>
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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.operations;
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import android.content.Context;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.operations.results.EditKeyResult;
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import org.sufficientlysecure.keychain.operations.results.OperationResult;
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import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
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import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog;
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import org.sufficientlysecure.keychain.operations.results.PgpEditKeyResult;
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import org.sufficientlysecure.keychain.operations.results.SaveKeyringResult;
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import org.sufficientlysecure.keychain.pgp.CanonicalizedSecretKeyRing;
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import org.sufficientlysecure.keychain.pgp.PgpKeyOperation;
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import org.sufficientlysecure.keychain.pgp.Progressable;
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import org.sufficientlysecure.keychain.pgp.UncachedKeyRing;
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import org.sufficientlysecure.keychain.provider.ProviderHelper;
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import org.sufficientlysecure.keychain.provider.ProviderHelper.NotFoundException;
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import org.sufficientlysecure.keychain.service.ContactSyncAdapterService;
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import org.sufficientlysecure.keychain.service.PassphraseCacheService;
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import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
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import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
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import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
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import org.sufficientlysecure.keychain.util.Passphrase;
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import org.sufficientlysecure.keychain.util.ProgressScaler;
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import java.util.concurrent.atomic.AtomicBoolean;
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/** An operation which implements a high level key edit operation.
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*
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* This operation provides a higher level interface to the edit and
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* create key operations in PgpKeyOperation. It takes care of fetching
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* and saving the key before and after the operation.
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*
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* @see SaveKeyringParcel
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*
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*/
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public class EditKeyOperation extends BaseOperation {
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public EditKeyOperation(Context context, ProviderHelper providerHelper,
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Progressable progressable, AtomicBoolean cancelled) {
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super(context, providerHelper, progressable, cancelled);
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}
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public OperationResult execute(SaveKeyringParcel saveParcel, CryptoInputParcel cryptoInput) {
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OperationLog log = new OperationLog();
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log.add(LogType.MSG_ED, 0);
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if (saveParcel == null) {
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log.add(LogType.MSG_ED_ERROR_NO_PARCEL, 1);
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return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null);
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}
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// Perform actual modification (or creation)
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PgpEditKeyResult modifyResult;
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{
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PgpKeyOperation keyOperations =
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new PgpKeyOperation(new ProgressScaler(mProgressable, 10, 60, 100), mCancelled);
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// If a key id is specified, fetch and edit
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if (saveParcel.mMasterKeyId != null) {
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try {
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log.add(LogType.MSG_ED_FETCHING, 1,
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KeyFormattingUtils.convertKeyIdToHex(saveParcel.mMasterKeyId));
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CanonicalizedSecretKeyRing secRing =
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mProviderHelper.getCanonicalizedSecretKeyRing(saveParcel.mMasterKeyId);
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modifyResult = keyOperations.modifySecretKeyRing(secRing, cryptoInput, saveParcel, log, 2);
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if (modifyResult.isPending()) {
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return modifyResult;
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}
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} catch (NotFoundException e) {
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log.add(LogType.MSG_ED_ERROR_KEY_NOT_FOUND, 2);
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return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null);
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}
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} else {
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// otherwise, create new one
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modifyResult = keyOperations.createSecretKeyRing(saveParcel);
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}
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}
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// Add the result to the log
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log.add(modifyResult, 1);
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// Check if the action was cancelled
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if (checkCancelled()) {
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log.add(LogType.MSG_OPERATION_CANCELLED, 0);
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return new EditKeyResult(PgpEditKeyResult.RESULT_CANCELLED, log, null);
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}
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// If the edit operation didn't succeed, exit here
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if (!modifyResult.success()) {
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// error is already logged by modification
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return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null);
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}
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// Cannot cancel from here on out!
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mProgressable.setPreventCancel();
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// It's a success, so this must be non-null now
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UncachedKeyRing ring = modifyResult.getRing();
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// Save the new keyring.
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SaveKeyringResult saveResult = mProviderHelper
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.saveSecretKeyRing(ring, new ProgressScaler(mProgressable, 60, 95, 100));
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log.add(saveResult, 1);
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// If the save operation didn't succeed, exit here
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if (!saveResult.success()) {
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return new EditKeyResult(EditKeyResult.RESULT_ERROR, log, null);
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}
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// There is a new passphrase - cache it
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if (saveParcel.mNewUnlock != null) {
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log.add(LogType.MSG_ED_CACHING_NEW, 1);
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PassphraseCacheService.addCachedPassphrase(mContext,
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ring.getMasterKeyId(),
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ring.getMasterKeyId(),
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saveParcel.mNewUnlock.mNewPassphrase != null
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? saveParcel.mNewUnlock.mNewPassphrase
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: saveParcel.mNewUnlock.mNewPin,
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ring.getPublicKey().getPrimaryUserIdWithFallback());
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}
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updateProgress(R.string.progress_done, 100, 100);
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// make sure new data is synced into contacts
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ContactSyncAdapterService.requestSync();
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log.add(LogType.MSG_ED_SUCCESS, 0);
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return new EditKeyResult(EditKeyResult.RESULT_OK, log, ring.getMasterKeyId());
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}
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}
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