diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java')
| -rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java | 617 |
1 files changed, 0 insertions, 617 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java deleted file mode 100644 index 5f9c98ac5..000000000 --- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java +++ /dev/null @@ -1,617 +0,0 @@ -/* - * Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de> - * Copyright (C) 2014 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.service; - -import android.app.IntentService; -import android.content.Intent; -import android.net.Uri; -import android.os.Bundle; -import android.os.Message; -import android.os.Messenger; -import android.os.RemoteException; - -import com.textuality.keybase.lib.Proof; -import com.textuality.keybase.lib.prover.Prover; - -import org.json.JSONObject; -import org.spongycastle.openpgp.PGPUtil; -import org.sufficientlysecure.keychain.Constants; -import org.sufficientlysecure.keychain.R; -import org.sufficientlysecure.keychain.keyimport.HkpKeyserver; -import org.sufficientlysecure.keychain.keyimport.Keyserver; -import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing; -import org.sufficientlysecure.keychain.operations.CertifyOperation; -import org.sufficientlysecure.keychain.operations.DeleteOperation; -import org.sufficientlysecure.keychain.operations.EditKeyOperation; -import org.sufficientlysecure.keychain.operations.ImportExportOperation; -import org.sufficientlysecure.keychain.operations.PromoteKeyOperation; -import org.sufficientlysecure.keychain.operations.SignEncryptOperation; -import org.sufficientlysecure.keychain.operations.results.CertifyResult; -import org.sufficientlysecure.keychain.operations.results.ConsolidateResult; -import org.sufficientlysecure.keychain.operations.results.DecryptVerifyResult; -import org.sufficientlysecure.keychain.operations.results.DeleteResult; -import org.sufficientlysecure.keychain.operations.results.ExportResult; -import org.sufficientlysecure.keychain.operations.results.ImportKeyResult; -import org.sufficientlysecure.keychain.operations.results.OperationResult; -import org.sufficientlysecure.keychain.operations.results.OperationResult.OperationLog; -import org.sufficientlysecure.keychain.operations.results.PromoteKeyResult; -import org.sufficientlysecure.keychain.operations.results.SignEncryptResult; -import org.sufficientlysecure.keychain.pgp.CanonicalizedPublicKeyRing; -import org.sufficientlysecure.keychain.pgp.PgpDecryptVerify; -import org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyInputParcel; -import org.sufficientlysecure.keychain.pgp.Progressable; -import org.sufficientlysecure.keychain.pgp.SignEncryptParcel; -import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException; -import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralMsgIdException; -import org.sufficientlysecure.keychain.provider.ProviderHelper; -import org.sufficientlysecure.keychain.service.input.CryptoInputParcel; -import org.sufficientlysecure.keychain.service.ServiceProgressHandler.MessageStatus; -import org.sufficientlysecure.keychain.util.Log; -import org.sufficientlysecure.keychain.util.ParcelableFileCache; - -import java.io.ByteArrayInputStream; -import java.io.InputStream; -import java.util.ArrayList; -import java.util.List; -import java.util.concurrent.atomic.AtomicBoolean; - -import de.measite.minidns.Client; -import de.measite.minidns.DNSMessage; -import de.measite.minidns.Question; -import de.measite.minidns.Record; -import de.measite.minidns.record.Data; -import de.measite.minidns.record.TXT; - -/** - * This Service contains all important long lasting operations for OpenKeychain. It receives Intents with - * data from the activities or other apps, queues these intents, executes them, and stops itself - * after doing them. - */ -public class KeychainIntentService extends IntentService implements Progressable { - - /* extras that can be given by intent */ - public static final String EXTRA_MESSENGER = "messenger"; - public static final String EXTRA_DATA = "data"; - - /* possible actions */ - public static final String ACTION_SIGN_ENCRYPT = Constants.INTENT_PREFIX + "SIGN_ENCRYPT"; - - public static final String ACTION_DECRYPT_VERIFY = Constants.INTENT_PREFIX + "DECRYPT_VERIFY"; - - public static final String ACTION_VERIFY_KEYBASE_PROOF = Constants.INTENT_PREFIX + "VERIFY_KEYBASE_PROOF"; - - public static final String ACTION_DECRYPT_METADATA = Constants.INTENT_PREFIX + "DECRYPT_METADATA"; - - public static final String ACTION_EDIT_KEYRING = Constants.INTENT_PREFIX + "EDIT_KEYRING"; - - public static final String ACTION_PROMOTE_KEYRING = Constants.INTENT_PREFIX + "PROMOTE_KEYRING"; - - public static final String ACTION_IMPORT_KEYRING = Constants.INTENT_PREFIX + "IMPORT_KEYRING"; - public static final String ACTION_EXPORT_KEYRING = Constants.INTENT_PREFIX + "EXPORT_KEYRING"; - - public static final String ACTION_UPLOAD_KEYRING = Constants.INTENT_PREFIX + "UPLOAD_KEYRING"; - - public static final String ACTION_CERTIFY_KEYRING = Constants.INTENT_PREFIX + "SIGN_KEYRING"; - - public static final String ACTION_DELETE = Constants.INTENT_PREFIX + "DELETE"; - - public static final String ACTION_CONSOLIDATE = Constants.INTENT_PREFIX + "CONSOLIDATE"; - - public static final String ACTION_CANCEL = Constants.INTENT_PREFIX + "CANCEL"; - - /* keys for data bundle */ - - // encrypt - public static final String ENCRYPT_DECRYPT_INPUT_URI = "input_uri"; - public static final String ENCRYPT_DECRYPT_OUTPUT_URI = "output_uri"; - public static final String SIGN_ENCRYPT_PARCEL = "sign_encrypt_parcel"; - - // decrypt/verify - public static final String DECRYPT_VERIFY_PARCEL = "decrypt_verify_parcel"; - - // keybase proof - public static final String KEYBASE_REQUIRED_FINGERPRINT = "keybase_required_fingerprint"; - public static final String KEYBASE_PROOF = "keybase_proof"; - - // save keyring - public static final String EDIT_KEYRING_PARCEL = "save_parcel"; - public static final String EDIT_KEYRING_PASSPHRASE = "passphrase"; - public static final String EXTRA_CRYPTO_INPUT = "crypto_input"; - - // delete keyring(s) - public static final String DELETE_KEY_LIST = "delete_list"; - public static final String DELETE_IS_SECRET = "delete_is_secret"; - - // import key - public static final String IMPORT_KEY_LIST = "import_key_list"; - public static final String IMPORT_KEY_SERVER = "import_key_server"; - - // export key - public static final String EXPORT_FILENAME = "export_filename"; - public static final String EXPORT_URI = "export_uri"; - public static final String EXPORT_SECRET = "export_secret"; - public static final String EXPORT_ALL = "export_all"; - public static final String EXPORT_KEY_RING_MASTER_KEY_ID = "export_key_ring_id"; - - // upload key - public static final String UPLOAD_KEY_SERVER = "upload_key_server"; - - // certify key - public static final String CERTIFY_PARCEL = "certify_parcel"; - - // promote key - public static final String PROMOTE_MASTER_KEY_ID = "promote_master_key_id"; - public static final String PROMOTE_CARD_AID = "promote_card_aid"; - public static final String PROMOTE_SUBKEY_IDS = "promote_fingerprints"; - - // consolidate - public static final String CONSOLIDATE_RECOVERY = "consolidate_recovery"; - - Messenger mMessenger; - - // this attribute can possibly merged with the one above? not sure... - private AtomicBoolean mActionCanceled = new AtomicBoolean(false); - - public KeychainIntentService() { - super("KeychainIntentService"); - } - - /** - * The IntentService calls this method from the default worker thread with the intent that - * started the service. When this method returns, IntentService stops the service, as - * appropriate. - */ - @Override - protected void onHandleIntent(Intent intent) { - - // We have not been cancelled! (yet) - mActionCanceled.set(false); - - Bundle extras = intent.getExtras(); - if (extras == null) { - Log.e(Constants.TAG, "Extras bundle is null!"); - return; - } - - if (!(extras.containsKey(EXTRA_MESSENGER) || extras.containsKey(EXTRA_DATA) || (intent - .getAction() == null))) { - Log.e(Constants.TAG, - "Extra bundle must contain a messenger, a data bundle, and an action!"); - return; - } - - Uri dataUri = intent.getData(); - - mMessenger = (Messenger) extras.get(EXTRA_MESSENGER); - Bundle data = extras.getBundle(EXTRA_DATA); - if (data == null) { - Log.e(Constants.TAG, "data extra is null!"); - return; - } - - Log.logDebugBundle(data, "EXTRA_DATA"); - - ProviderHelper providerHelper = new ProviderHelper(this); - - String action = intent.getAction(); - - // executeServiceMethod action from extra bundle - switch (action) { - case ACTION_CERTIFY_KEYRING: { - - // Input - CertifyActionsParcel parcel = data.getParcelable(CERTIFY_PARCEL); - CryptoInputParcel cryptoInput = data.getParcelable(EXTRA_CRYPTO_INPUT); - String keyServerUri = data.getString(UPLOAD_KEY_SERVER); - - // Operation - CertifyOperation op = new CertifyOperation(this, providerHelper, this, mActionCanceled); - CertifyResult result = op.certify(parcel, cryptoInput, keyServerUri); - - // Result - sendMessageToHandler(MessageStatus.OKAY, result); - - break; - } - case ACTION_CONSOLIDATE: { - - // Operation - ConsolidateResult result; - if (data.containsKey(CONSOLIDATE_RECOVERY) && data.getBoolean(CONSOLIDATE_RECOVERY)) { - result = new ProviderHelper(this).consolidateDatabaseStep2(this); - } else { - result = new ProviderHelper(this).consolidateDatabaseStep1(this); - } - - // Result - sendMessageToHandler(MessageStatus.OKAY, result); - - break; - } - case ACTION_DECRYPT_METADATA: { - - /* Input */ - CryptoInputParcel cryptoInput = data.getParcelable(EXTRA_CRYPTO_INPUT); - PgpDecryptVerifyInputParcel input = data.getParcelable(DECRYPT_VERIFY_PARCEL); - - // this action is here for compatibility only - input.setDecryptMetadataOnly(true); - - /* Operation */ - PgpDecryptVerify op = new PgpDecryptVerify(this, new ProviderHelper(this), this); - DecryptVerifyResult decryptVerifyResult = op.execute(input, cryptoInput); - - /* Result */ - sendMessageToHandler(MessageStatus.OKAY, decryptVerifyResult); - - break; - } - case ACTION_VERIFY_KEYBASE_PROOF: { - - try { - Proof proof = new Proof(new JSONObject(data.getString(KEYBASE_PROOF))); - setProgress(R.string.keybase_message_fetching_data, 0, 100); - - Prover prover = Prover.findProverFor(proof); - - if (prover == null) { - sendProofError(getString(R.string.keybase_no_prover_found) + ": " + proof.getPrettyName()); - return; - } - - if (!prover.fetchProofData()) { - sendProofError(prover.getLog(), getString(R.string.keybase_problem_fetching_evidence)); - return; - } - String requiredFingerprint = data.getString(KEYBASE_REQUIRED_FINGERPRINT); - if (!prover.checkFingerprint(requiredFingerprint)) { - sendProofError(getString(R.string.keybase_key_mismatch)); - return; - } - - String domain = prover.dnsTxtCheckRequired(); - if (domain != null) { - DNSMessage dnsQuery = new Client().query(new Question(domain, Record.TYPE.TXT)); - if (dnsQuery == null) { - sendProofError(prover.getLog(), getString(R.string.keybase_dns_query_failure)); - return; - } - Record[] records = dnsQuery.getAnswers(); - List<List<byte[]>> extents = new ArrayList<List<byte[]>>(); - for (Record r : records) { - Data d = r.getPayload(); - if (d instanceof TXT) { - extents.add(((TXT) d).getExtents()); - } - } - if (!prover.checkDnsTxt(extents)) { - sendProofError(prover.getLog(), null); - return; - } - } - - byte[] messageBytes = prover.getPgpMessage().getBytes(); - if (prover.rawMessageCheckRequired()) { - InputStream messageByteStream = PGPUtil.getDecoderStream(new ByteArrayInputStream(messageBytes)); - if (!prover.checkRawMessageBytes(messageByteStream)) { - sendProofError(prover.getLog(), null); - return; - } - } - - PgpDecryptVerify op = new PgpDecryptVerify(this, new ProviderHelper(this), this); - - PgpDecryptVerifyInputParcel input = new PgpDecryptVerifyInputParcel(messageBytes) - .setSignedLiteralData(true) - .setRequiredSignerFingerprint(requiredFingerprint); - - DecryptVerifyResult decryptVerifyResult = op.execute(input, new CryptoInputParcel()); - - if (!decryptVerifyResult.success()) { - OperationLog log = decryptVerifyResult.getLog(); - OperationResult.LogEntryParcel lastEntry = null; - for (OperationResult.LogEntryParcel entry : log) { - lastEntry = entry; - } - sendProofError(getString(lastEntry.mType.getMsgId())); - return; - } - - if (!prover.validate(new String(decryptVerifyResult.getOutputBytes()))) { - sendProofError(getString(R.string.keybase_message_payload_mismatch)); - return; - } - - Bundle resultData = new Bundle(); - resultData.putString(ServiceProgressHandler.DATA_MESSAGE, "OK"); - - // these help the handler construct a useful human-readable message - resultData.putString(ServiceProgressHandler.KEYBASE_PROOF_URL, prover.getProofUrl()); - resultData.putString(ServiceProgressHandler.KEYBASE_PRESENCE_URL, prover.getPresenceUrl()); - resultData.putString(ServiceProgressHandler.KEYBASE_PRESENCE_LABEL, prover.getPresenceLabel()); - sendMessageToHandler(MessageStatus.OKAY, resultData); - } catch (Exception e) { - sendErrorToHandler(e); - } - - break; - } - case ACTION_DECRYPT_VERIFY: { - - /* Input */ - CryptoInputParcel cryptoInput = data.getParcelable(EXTRA_CRYPTO_INPUT); - PgpDecryptVerifyInputParcel input = data.getParcelable(DECRYPT_VERIFY_PARCEL); - - // for compatibility - // TODO merge with ACTION_DECRYPT_METADATA - input.setDecryptMetadataOnly(false); - - /* Operation */ - PgpDecryptVerify op = new PgpDecryptVerify(this, new ProviderHelper(this), this); - DecryptVerifyResult decryptVerifyResult = op.execute(input, cryptoInput); - - /* Output */ - sendMessageToHandler(MessageStatus.OKAY, decryptVerifyResult); - - break; - } - case ACTION_DELETE: { - - // Input - long[] masterKeyIds = data.getLongArray(DELETE_KEY_LIST); - boolean isSecret = data.getBoolean(DELETE_IS_SECRET); - - // Operation - DeleteOperation op = new DeleteOperation(this, new ProviderHelper(this), this); - DeleteResult result = op.execute(masterKeyIds, isSecret); - - // Result - sendMessageToHandler(MessageStatus.OKAY, result); - - break; - } - case ACTION_EDIT_KEYRING: { - - // Input - SaveKeyringParcel saveParcel = data.getParcelable(EDIT_KEYRING_PARCEL); - CryptoInputParcel cryptoInput = data.getParcelable(EXTRA_CRYPTO_INPUT); - - // Operation - EditKeyOperation op = new EditKeyOperation(this, providerHelper, this, mActionCanceled); - OperationResult result = op.execute(saveParcel, cryptoInput); - - // Result - sendMessageToHandler(MessageStatus.OKAY, result); - - break; - } - case ACTION_PROMOTE_KEYRING: { - - // Input - long keyRingId = data.getLong(PROMOTE_MASTER_KEY_ID); - byte[] cardAid = data.getByteArray(PROMOTE_CARD_AID); - long[] subKeyIds = data.getLongArray(PROMOTE_SUBKEY_IDS); - - // Operation - PromoteKeyOperation op = new PromoteKeyOperation( - this, providerHelper, this, mActionCanceled); - PromoteKeyResult result = op.execute(keyRingId, cardAid, subKeyIds); - - // Result - sendMessageToHandler(MessageStatus.OKAY, result); - - break; - } - case ACTION_EXPORT_KEYRING: { - - // Input - boolean exportSecret = data.getBoolean(EXPORT_SECRET, false); - String outputFile = data.getString(EXPORT_FILENAME); - Uri outputUri = data.getParcelable(EXPORT_URI); - - boolean exportAll = data.getBoolean(EXPORT_ALL); - long[] masterKeyIds = exportAll ? null : data.getLongArray(EXPORT_KEY_RING_MASTER_KEY_ID); - - // Operation - ImportExportOperation importExportOperation = new ImportExportOperation(this, new ProviderHelper(this), this); - ExportResult result; - if (outputFile != null) { - result = importExportOperation.exportToFile(masterKeyIds, exportSecret, outputFile); - } else { - result = importExportOperation.exportToUri(masterKeyIds, exportSecret, outputUri); - } - - // Result - sendMessageToHandler(MessageStatus.OKAY, result); - - break; - } - case ACTION_IMPORT_KEYRING: { - - // Input - String keyServer = data.getString(IMPORT_KEY_SERVER); - ArrayList<ParcelableKeyRing> list = data.getParcelableArrayList(IMPORT_KEY_LIST); - ParcelableFileCache<ParcelableKeyRing> cache = - new ParcelableFileCache<>(this, "key_import.pcl"); - - // Operation - ImportExportOperation importExportOperation = new ImportExportOperation( - this, providerHelper, this, mActionCanceled); - // Either list or cache must be null, no guarantees otherwise. - ImportKeyResult result = list != null - ? importExportOperation.importKeyRings(list, keyServer) - : importExportOperation.importKeyRings(cache, keyServer); - - // Result - sendMessageToHandler(MessageStatus.OKAY, result); - - break; - - } - case ACTION_SIGN_ENCRYPT: { - - // Input - SignEncryptParcel inputParcel = data.getParcelable(SIGN_ENCRYPT_PARCEL); - CryptoInputParcel cryptoInput = data.getParcelable(EXTRA_CRYPTO_INPUT); - - // Operation - SignEncryptOperation op = new SignEncryptOperation( - this, new ProviderHelper(this), this, mActionCanceled); - SignEncryptResult result = op.execute(inputParcel, cryptoInput); - - // Result - sendMessageToHandler(MessageStatus.OKAY, result); - - break; - } - case ACTION_UPLOAD_KEYRING: { - try { - - /* Input */ - String keyServer = data.getString(UPLOAD_KEY_SERVER); - // and dataUri! - - /* Operation */ - HkpKeyserver server = new HkpKeyserver(keyServer); - - CanonicalizedPublicKeyRing keyring = providerHelper.getCanonicalizedPublicKeyRing(dataUri); - ImportExportOperation importExportOperation = new ImportExportOperation(this, new ProviderHelper(this), this); - - try { - importExportOperation.uploadKeyRingToServer(server, keyring); - } catch (Keyserver.AddKeyException e) { - throw new PgpGeneralException("Unable to export key to selected server"); - } - - sendMessageToHandler(MessageStatus.OKAY); - } catch (Exception e) { - sendErrorToHandler(e); - } - break; - } - } - } - - private void sendProofError(List<String> log, String label) { - String msg = null; - label = (label == null) ? "" : label + ": "; - for (String m : log) { - Log.e(Constants.TAG, label + m); - msg = m; - } - sendProofError(label + msg); - } - - private void sendProofError(String msg) { - Bundle bundle = new Bundle(); - bundle.putString(ServiceProgressHandler.DATA_ERROR, msg); - sendMessageToHandler(MessageStatus.OKAY, bundle); - } - - private void sendErrorToHandler(Exception e) { - // TODO: Implement a better exception handling here - // contextualize the exception, if necessary - String message; - if (e instanceof PgpGeneralMsgIdException) { - e = ((PgpGeneralMsgIdException) e).getContextualized(this); - message = e.getMessage(); - } else { - message = e.getMessage(); - } - Log.d(Constants.TAG, "KeychainIntentService Exception: ", e); - - Bundle data = new Bundle(); - data.putString(ServiceProgressHandler.DATA_ERROR, message); - sendMessageToHandler(MessageStatus.EXCEPTION, null, data); - } - - private void sendMessageToHandler(MessageStatus status, Integer arg2, Bundle data) { - - Message msg = Message.obtain(); - assert msg != null; - msg.arg1 = status.ordinal(); - if (arg2 != null) { - msg.arg2 = arg2; - } - if (data != null) { - msg.setData(data); - } - - try { - mMessenger.send(msg); - } catch (RemoteException e) { - Log.w(Constants.TAG, "Exception sending message, Is handler present?", e); - } catch (NullPointerException e) { - Log.w(Constants.TAG, "Messenger is null!", e); - } - } - - private void sendMessageToHandler(MessageStatus status, OperationResult data) { - Bundle bundle = new Bundle(); - bundle.putParcelable(OperationResult.EXTRA_RESULT, data); - sendMessageToHandler(status, null, bundle); - } - - private void sendMessageToHandler(MessageStatus status, Bundle data) { - sendMessageToHandler(status, null, data); - } - - private void sendMessageToHandler(MessageStatus status) { - sendMessageToHandler(status, null, null); - } - - /** - * Set progress of ProgressDialog by sending message to handler on UI thread - */ - public void setProgress(String message, int progress, int max) { - Log.d(Constants.TAG, "Send message by setProgress with progress=" + progress + ", max=" - + max); - - Bundle data = new Bundle(); - if (message != null) { - data.putString(ServiceProgressHandler.DATA_MESSAGE, message); - } - data.putInt(ServiceProgressHandler.DATA_PROGRESS, progress); - data.putInt(ServiceProgressHandler.DATA_PROGRESS_MAX, max); - - sendMessageToHandler(MessageStatus.UPDATE_PROGRESS, null, data); - } - - public void setProgress(int resourceId, int progress, int max) { - setProgress(getString(resourceId), progress, max); - } - - public void setProgress(int progress, int max) { - setProgress(null, progress, max); - } - - @Override - public void setPreventCancel() { - sendMessageToHandler(MessageStatus.PREVENT_CANCEL); - } - - @Override - public int onStartCommand(Intent intent, int flags, int startId) { - if (ACTION_CANCEL.equals(intent.getAction())) { - mActionCanceled.set(true); - return START_NOT_STICKY; - } - return super.onStartCommand(intent, flags, startId); - } -} |