Examples with Optional org.whispersystems.libsignal.util.guava.Optional used on opensource projects

Example 51 with Optional

use of org.whispersystems.libsignal.util.guava.Optional in project Signal-Android by signalapp.

the class LinkPreviewRepository method fetchMetadata.

@NonNull
private RequestController fetchMetadata(@NonNull String url, Consumer<Metadata> callback) {
    Call call = client.newCall(new Request.Builder().url(url).cacheControl(NO_CACHE).build());
    call.enqueue(new okhttp3.Callback() {

        @Override
        public void onFailure(@NonNull Call call, @NonNull IOException e) {
            Log.w(TAG, "Request failed.", e);
            callback.accept(Metadata.empty());
        }

        @Override
        public void onResponse(@NonNull Call call, @NonNull Response response) throws IOException {
            if (!response.isSuccessful()) {
                Log.w(TAG, "Non-successful response. Code: " + response.code());
                callback.accept(Metadata.empty());
                return;
            } else if (response.body() == null) {
                Log.w(TAG, "No response body.");
                callback.accept(Metadata.empty());
                return;
            }
            String body = OkHttpUtil.readAsString(response.body(), FAILSAFE_MAX_TEXT_SIZE);
            OpenGraph openGraph = LinkPreviewUtil.parseOpenGraphFields(body);
            Optional<String> title = openGraph.getTitle();
            Optional<String> description = openGraph.getDescription();
            Optional<String> imageUrl = openGraph.getImageUrl();
            long date = openGraph.getDate();
            if (imageUrl.isPresent() && !LinkPreviewUtil.isValidPreviewUrl(imageUrl.get())) {
                Log.i(TAG, "Image URL was invalid or for a non-whitelisted domain. Skipping.");
                imageUrl = Optional.absent();
            }
            callback.accept(new Metadata(title, description, date, imageUrl));
        }
    });
    return new CallRequestController(call);
}

Example 52 with Optional

use of org.whispersystems.libsignal.util.guava.Optional in project Signal-Android by signalapp.

the class UnidentifiedAccessUtil method getAccessFor.

@WorkerThread
public static List<Optional<UnidentifiedAccessPair>> getAccessFor(@NonNull Context context, @NonNull List<Recipient> recipients, boolean log) {
    byte[] ourUnidentifiedAccessKey = UnidentifiedAccess.deriveAccessKeyFrom(ProfileKeyUtil.getSelfProfileKey());
    if (TextSecurePreferences.isUniversalUnidentifiedAccess(context)) {
        ourUnidentifiedAccessKey = UNRESTRICTED_KEY;
    }
    List<Optional<UnidentifiedAccessPair>> access = new ArrayList<>(recipients.size());
    Map<CertificateType, Integer> typeCounts = new HashMap<>();
    for (Recipient recipient : recipients) {
        byte[] theirUnidentifiedAccessKey = getTargetUnidentifiedAccessKey(recipient);
        CertificateType certificateType = getUnidentifiedAccessCertificateType(recipient);
        byte[] ourUnidentifiedAccessCertificate = SignalStore.certificateValues().getUnidentifiedAccessCertificate(certificateType);
        int typeCount = Util.getOrDefault(typeCounts, certificateType, 0);
        typeCount++;
        typeCounts.put(certificateType, typeCount);
        if (theirUnidentifiedAccessKey != null && ourUnidentifiedAccessCertificate != null) {
            try {
                access.add(Optional.of(new UnidentifiedAccessPair(new UnidentifiedAccess(theirUnidentifiedAccessKey, ourUnidentifiedAccessCertificate), new UnidentifiedAccess(ourUnidentifiedAccessKey, ourUnidentifiedAccessCertificate))));
            } catch (InvalidCertificateException e) {
                Log.w(TAG, e);
                access.add(Optional.absent());
            }
        } else {
            access.add(Optional.absent());
        }
    }
    int unidentifiedCount = Stream.of(access).filter(Optional::isPresent).toList().size();
    int otherCount = access.size() - unidentifiedCount;
    if (log) {
        Log.i(TAG, "Unidentified: " + unidentifiedCount + ", Other: " + otherCount + ". Types: " + typeCounts);
    }
    return access;
}

Example 53 with Optional

use of org.whispersystems.libsignal.util.guava.Optional in project Signal-Android by signalapp.

the class MessageContentProcessor method handleCallOfferMessage.

private void handleCallOfferMessage(@NonNull SignalServiceContent content, @NonNull OfferMessage message, @NonNull Optional<Long> smsMessageId, @NonNull Recipient senderRecipient) {
    log(String.valueOf(content.getTimestamp()), "handleCallOfferMessage...");
    if (smsMessageId.isPresent()) {
        MessageDatabase database = SignalDatabase.sms();
        database.markAsMissedCall(smsMessageId.get(), message.getType() == OfferMessage.Type.VIDEO_CALL);
    } else {
        RemotePeer remotePeer = new RemotePeer(senderRecipient.getId(), new CallId(message.getId()));
        byte[] remoteIdentityKey = ApplicationDependencies.getProtocolStore().aci().identities().getIdentityRecord(senderRecipient.getId()).transform(record -> record.getIdentityKey().serialize()).orNull();
        ApplicationDependencies.getSignalCallManager().receivedOffer(new WebRtcData.CallMetadata(remotePeer, content.getSenderDevice()), new WebRtcData.OfferMetadata(message.getOpaque(), message.getSdp(), message.getType()), new WebRtcData.ReceivedOfferMetadata(remoteIdentityKey, content.getServerReceivedTimestamp(), content.getServerDeliveredTimestamp(), content.getCallMessage().get().isMultiRing()));
    }
}

Example 54 with Optional

use of org.whispersystems.libsignal.util.guava.Optional in project Signal-Android by signalapp.

the class GroupSendUtil method sendMessage.

/**
 * Handles all of the logic of sending to a group. Will do sender key sends and legacy 1:1 sends as-needed, and give you back a list of
 * {@link SendMessageResult}s just like we're used to.
 *
 * @param groupId The groupId of the group you're sending to, or null if you're sending to a collection of recipients not joined by a group.
 * @param isRecipientUpdate True if you've already sent this message to some recipients in the past, otherwise false.
 */
@WorkerThread
private static List<SendMessageResult> sendMessage(@NonNull Context context, @Nullable GroupId.V2 groupId, @Nullable MessageId relatedMessageId, @NonNull List<Recipient> allTargets, boolean isRecipientUpdate, @NonNull SendOperation sendOperation, @Nullable CancelationSignal cancelationSignal) throws IOException, UntrustedIdentityException {
    Log.i(TAG, "Starting group send. GroupId: " + (groupId != null ? groupId.toString() : "none") + ", RelatedMessageId: " + (relatedMessageId != null ? relatedMessageId.toString() : "none") + ", Targets: " + allTargets.size() + ", RecipientUpdate: " + isRecipientUpdate + ", Operation: " + sendOperation.getClass().getSimpleName());
    Set<Recipient> unregisteredTargets = allTargets.stream().filter(Recipient::isUnregistered).collect(Collectors.toSet());
    List<Recipient> registeredTargets = allTargets.stream().filter(r -> !unregisteredTargets.contains(r)).collect(Collectors.toList());
    RecipientData recipients = new RecipientData(context, registeredTargets);
    Optional<GroupRecord> groupRecord = groupId != null ? SignalDatabase.groups().getGroup(groupId) : Optional.absent();
    List<Recipient> senderKeyTargets = new LinkedList<>();
    List<Recipient> legacyTargets = new LinkedList<>();
    for (Recipient recipient : registeredTargets) {
        Optional<UnidentifiedAccessPair> access = recipients.getAccessPair(recipient.getId());
        boolean validMembership = groupRecord.isPresent() && groupRecord.get().getMembers().contains(recipient.getId());
        if (recipient.getSenderKeyCapability() == Recipient.Capability.SUPPORTED && recipient.hasServiceId() && access.isPresent() && access.get().getTargetUnidentifiedAccess().isPresent() && validMembership) {
            senderKeyTargets.add(recipient);
        } else {
            legacyTargets.add(recipient);
        }
    }
    if (groupId == null) {
        Log.i(TAG, "Recipients not in a group. Using legacy.");
        legacyTargets.addAll(senderKeyTargets);
        senderKeyTargets.clear();
    } else if (Recipient.self().getSenderKeyCapability() != Recipient.Capability.SUPPORTED) {
        Log.i(TAG, "All of our devices do not support sender key. Using legacy.");
        legacyTargets.addAll(senderKeyTargets);
        senderKeyTargets.clear();
    } else if (SignalStore.internalValues().removeSenderKeyMinimum()) {
        Log.i(TAG, "Sender key minimum removed. Using for " + senderKeyTargets.size() + " recipients.");
    } else if (senderKeyTargets.size() < 2) {
        Log.i(TAG, "Too few sender-key-capable users (" + senderKeyTargets.size() + "). Doing all legacy sends.");
        legacyTargets.addAll(senderKeyTargets);
        senderKeyTargets.clear();
    } else {
        Log.i(TAG, "Can use sender key for " + senderKeyTargets.size() + "/" + allTargets.size() + " recipients.");
    }
    if (relatedMessageId != null) {
        SignalLocalMetrics.GroupMessageSend.onSenderKeyStarted(relatedMessageId.getId());
    }
    List<SendMessageResult> allResults = new ArrayList<>(allTargets.size());
    SignalServiceMessageSender messageSender = ApplicationDependencies.getSignalServiceMessageSender();
    if (senderKeyTargets.size() > 0 && groupId != null) {
        DistributionId distributionId = SignalDatabase.groups().getOrCreateDistributionId(groupId);
        long keyCreateTime = SenderKeyUtil.getCreateTimeForOurKey(context, distributionId);
        long keyAge = System.currentTimeMillis() - keyCreateTime;
        if (keyCreateTime != -1 && keyAge > FeatureFlags.senderKeyMaxAge()) {
            Log.w(TAG, "DistributionId " + distributionId + " was created at " + keyCreateTime + " and is " + (keyAge) + " ms old (~" + TimeUnit.MILLISECONDS.toDays(keyAge) + " days). Rotating.");
            SenderKeyUtil.rotateOurKey(context, distributionId);
        }
        try {
            List<SignalServiceAddress> targets = senderKeyTargets.stream().map(r -> recipients.getAddress(r.getId())).collect(Collectors.toList());
            List<UnidentifiedAccess> access = senderKeyTargets.stream().map(r -> recipients.requireAccess(r.getId())).collect(Collectors.toList());
            List<SendMessageResult> results = sendOperation.sendWithSenderKey(messageSender, distributionId, targets, access, isRecipientUpdate);
            allResults.addAll(results);
            int successCount = (int) results.stream().filter(SendMessageResult::isSuccess).count();
            Log.d(TAG, "Successfully sent using sender key to " + successCount + "/" + targets.size() + " sender key targets.");
            if (sendOperation.shouldIncludeInMessageLog()) {
                SignalDatabase.messageLog().insertIfPossible(sendOperation.getSentTimestamp(), senderKeyTargets, results, sendOperation.getContentHint(), sendOperation.getRelatedMessageId());
            }
            if (relatedMessageId != null) {
                SignalLocalMetrics.GroupMessageSend.onSenderKeyMslInserted(relatedMessageId.getId());
            }
        } catch (InvalidUnidentifiedAccessHeaderException e) {
            Log.w(TAG, "Someone had a bad UD header. Falling back to legacy sends.", e);
            legacyTargets.addAll(senderKeyTargets);
        } catch (NoSessionException e) {
            Log.w(TAG, "No session. Falling back to legacy sends.", e);
            legacyTargets.addAll(senderKeyTargets);
        } catch (InvalidKeyException e) {
            Log.w(TAG, "Invalid key. Falling back to legacy sends.", e);
            legacyTargets.addAll(senderKeyTargets);
        } catch (InvalidRegistrationIdException e) {
            Log.w(TAG, "Invalid registrationId. Falling back to legacy sends.", e);
            legacyTargets.addAll(senderKeyTargets);
        } catch (NotFoundException e) {
            Log.w(TAG, "Someone was unregistered. Falling back to legacy sends.", e);
            legacyTargets.addAll(senderKeyTargets);
        }
    } else if (relatedMessageId != null) {
        SignalLocalMetrics.GroupMessageSend.onSenderKeyShared(relatedMessageId.getId());
        SignalLocalMetrics.GroupMessageSend.onSenderKeyEncrypted(relatedMessageId.getId());
        SignalLocalMetrics.GroupMessageSend.onSenderKeyMessageSent(relatedMessageId.getId());
        SignalLocalMetrics.GroupMessageSend.onSenderKeySyncSent(relatedMessageId.getId());
        SignalLocalMetrics.GroupMessageSend.onSenderKeyMslInserted(relatedMessageId.getId());
    }
    if (cancelationSignal != null && cancelationSignal.isCanceled()) {
        throw new CancelationException();
    }
    boolean onlyTargetIsSelfWithLinkedDevice = legacyTargets.isEmpty() && senderKeyTargets.isEmpty() && TextSecurePreferences.isMultiDevice(context);
    if (legacyTargets.size() > 0 || onlyTargetIsSelfWithLinkedDevice) {
        if (legacyTargets.size() > 0) {
            Log.i(TAG, "Need to do " + legacyTargets.size() + " legacy sends.");
        } else {
            Log.i(TAG, "Need to do a legacy send to send a sync message for a group of only ourselves.");
        }
        List<SignalServiceAddress> targets = legacyTargets.stream().map(r -> recipients.getAddress(r.getId())).collect(Collectors.toList());
        List<Optional<UnidentifiedAccessPair>> access = legacyTargets.stream().map(r -> recipients.getAccessPair(r.getId())).collect(Collectors.toList());
        boolean recipientUpdate = isRecipientUpdate || allResults.size() > 0;
        final MessageSendLogDatabase messageLogDatabase = SignalDatabase.messageLog();
        final AtomicLong entryId = new AtomicLong(-1);
        final boolean includeInMessageLog = sendOperation.shouldIncludeInMessageLog();
        List<SendMessageResult> results = sendOperation.sendLegacy(messageSender, targets, access, recipientUpdate, result -> {
            if (!includeInMessageLog) {
                return;
            }
            synchronized (entryId) {
                if (entryId.get() == -1) {
                    entryId.set(messageLogDatabase.insertIfPossible(recipients.requireRecipientId(result.getAddress()), sendOperation.getSentTimestamp(), result, sendOperation.getContentHint(), sendOperation.getRelatedMessageId()));
                } else {
                    messageLogDatabase.addRecipientToExistingEntryIfPossible(entryId.get(), recipients.requireRecipientId(result.getAddress()), result);
                }
            }
        }, cancelationSignal);
        allResults.addAll(results);
        int successCount = (int) results.stream().filter(SendMessageResult::isSuccess).count();
        Log.d(TAG, "Successfully sent using 1:1 to " + successCount + "/" + targets.size() + " legacy targets.");
    } else if (relatedMessageId != null) {
        SignalLocalMetrics.GroupMessageSend.onLegacyMessageSent(relatedMessageId.getId());
        SignalLocalMetrics.GroupMessageSend.onLegacySyncFinished(relatedMessageId.getId());
    }
    if (unregisteredTargets.size() > 0) {
        Log.w(TAG, "There are " + unregisteredTargets.size() + " unregistered targets. Including failure results.");
        List<SendMessageResult> unregisteredResults = unregisteredTargets.stream().filter(Recipient::hasServiceId).map(t -> SendMessageResult.unregisteredFailure(new SignalServiceAddress(t.requireServiceId(), t.getE164().orNull()))).collect(Collectors.toList());
        if (unregisteredResults.size() < unregisteredTargets.size()) {
            Log.w(TAG, "There are " + (unregisteredTargets.size() - unregisteredResults.size()) + " targets that have no UUID! Cannot report a failure for them.");
        }
        allResults.addAll(unregisteredResults);
    }
    return allResults;
}

Example 55 with Optional

use of org.whispersystems.libsignal.util.guava.Optional in project Signal-Android by signalapp.

the class ChunkedDataFetcher method fetchChunksWithUnknownTotalSize.

private RequestController fetchChunksWithUnknownTotalSize(@NonNull String url, @NonNull Callback callback) {
    CompositeRequestController compositeController = new CompositeRequestController();
    long chunkSize = new SecureRandom().nextInt(1024) + 1024;
    Request request = new Request.Builder().url(url).cacheControl(NO_CACHE).addHeader("Range", "bytes=0-" + (chunkSize - 1)).addHeader("Accept-Encoding", "identity").build();
    Call firstChunkCall = client.newCall(request);
    compositeController.addController(new CallRequestController(firstChunkCall));
    firstChunkCall.enqueue(new okhttp3.Callback() {

        @Override
        public void onFailure(@NonNull Call call, @NonNull IOException e) {
            if (!compositeController.isCanceled()) {
                callback.onFailure(e);
                compositeController.cancel();
            }
        }

        @Override
        public void onResponse(@NonNull Call call, @NonNull Response response) {
            String contentRange = response.header("Content-Range");
            if (!response.isSuccessful()) {
                Log.w(TAG, "Non-successful response code: " + response.code());
                callback.onFailure(new IOException("Non-successful response code: " + response.code()));
                compositeController.cancel();
                if (response.body() != null)
                    response.body().close();
                return;
            }
            if (TextUtils.isEmpty(contentRange)) {
                Log.w(TAG, "Missing Content-Range header.");
                callback.onFailure(new IOException("Missing Content-Length header."));
                compositeController.cancel();
                if (response.body() != null)
                    response.body().close();
                return;
            }
            if (response.body() == null) {
                Log.w(TAG, "Missing body.");
                callback.onFailure(new IOException("Missing body on initial request."));
                compositeController.cancel();
                return;
            }
            Optional<Long> contentLength = parseLengthFromContentRange(contentRange);
            if (!contentLength.isPresent()) {
                Log.w(TAG, "Unable to parse length from Content-Range.");
                callback.onFailure(new IOException("Unable to get parse length from Content-Range."));
                compositeController.cancel();
                return;
            }
            if (chunkSize >= contentLength.get()) {
                try {
                    callback.onSuccess(response.body().byteStream());
                } catch (IOException e) {
                    callback.onFailure(e);
                    compositeController.cancel();
                }
            } else {
                InputStream stream = ContentLengthInputStream.obtain(response.body().byteStream(), chunkSize);
                fetchChunks(url, contentLength.get(), Optional.of(new Pair<>(stream, chunkSize)), compositeController, callback);
            }
        }
    });
    return compositeController;
}