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