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Only populate sync message context if sender == recipient.

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// FREEBIE
This commit is contained in:
Moxie Marlinspike 2015-05-20 12:16:37 -07:00
parent 68a3076be4
commit e99129ec42
2 changed files with 15 additions and 12 deletions
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12
java/src/main/java/org/whispersystems/textsecure/api/TextSecureMessageSender.java
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@ -70,7 +70,7 @@ public class TextSecureMessageSender {
private final PushServiceSocket socket;
private final AxolotlStore store;
private final TextSecureAddress syncAddress;
private final TextSecureAddress localAddress;
private final Optional<EventListener> eventListener;
/**
@ -91,7 +91,7 @@ public class TextSecureMessageSender {
{
this.socket = new PushServiceSocket(url, trustStore, new StaticCredentialsProvider(user, password, null));
this.store = store;
this.syncAddress = new TextSecureAddress(user);
this.localAddress = new TextSecureAddress(user);
this.eventListener = eventListener;
}
@ -123,7 +123,7 @@ public class TextSecureMessageSender {
if (response != null && response.getNeedsSync()) {
byte[] syncMessage = createSyncMessageContent(content, Optional.of(recipient), timestamp);
sendMessage(syncAddress, timestamp, syncMessage);
sendMessage(localAddress, timestamp, syncMessage);
}
if (message.isEndSession()) {
@ -153,7 +153,7 @@ public class TextSecureMessageSender {
try {
if (response != null && response.getNeedsSync()) {
byte[] syncMessage = createSyncMessageContent(content, Optional.<TextSecureAddress>absent(), timestamp);
sendMessage(syncAddress, timestamp, syncMessage);
sendMessage(localAddress, timestamp, syncMessage);
}
} catch (UntrustedIdentityException e) {
throw new EncapsulatedExceptions(e);
@ -319,7 +319,7 @@ public class TextSecureMessageSender {
{
List<OutgoingPushMessage> messages = new LinkedList<>();
if (!recipient.equals(syncAddress)) {
if (!recipient.equals(localAddress)) {
messages.add(getEncryptedMessage(socket, recipient, TextSecureAddress.DEFAULT_DEVICE_ID, plaintext));
}
@ -334,7 +334,7 @@ public class TextSecureMessageSender {
throws IOException, UntrustedIdentityException
{
AxolotlAddress axolotlAddress = new AxolotlAddress(recipient.getNumber(), deviceId);
TextSecureCipher cipher = new TextSecureCipher(store);
TextSecureCipher cipher = new TextSecureCipher(localAddress, store);
if (!store.containsSession(axolotlAddress)) {
try {

11
java/src/main/java/org/whispersystems/textsecure/api/crypto/TextSecureCipher.java
View File

@ -38,8 +38,8 @@ import org.whispersystems.textsecure.api.messages.TextSecureEnvelope;
import org.whispersystems.textsecure.api.messages.TextSecureGroup;
import org.whispersystems.textsecure.api.messages.TextSecureMessage;
import org.whispersystems.textsecure.api.messages.TextSecureSyncContext;
import org.whispersystems.textsecure.api.push.TextSecureAddress;
import org.whispersystems.textsecure.internal.push.OutgoingPushMessage;
import org.whispersystems.textsecure.internal.push.PushMessageProtos;
import org.whispersystems.textsecure.internal.push.PushTransportDetails;
import org.whispersystems.textsecure.internal.util.Base64;
@ -58,9 +58,11 @@ import static org.whispersystems.textsecure.internal.push.PushMessageProtos.Push
public class TextSecureCipher {
private final AxolotlStore axolotlStore;
private final TextSecureAddress localAddress;
public TextSecureCipher(AxolotlStore axolotlStore) {
public TextSecureCipher(TextSecureAddress localAddress, AxolotlStore axolotlStore) {
this.axolotlStore = axolotlStore;
this.localAddress = localAddress;
}
public OutgoingPushMessage encrypt(AxolotlAddress destination, byte[] unpaddedMessage) {
@ -127,7 +129,7 @@ public class TextSecureCipher {
private TextSecureMessage createTextSecureMessage(TextSecureEnvelope envelope, PushMessageContent content) {
TextSecureGroup groupInfo = createGroupInfo(envelope, content);
TextSecureSyncContext syncContext = createSyncContext(content);
TextSecureSyncContext syncContext = createSyncContext(envelope, content);
List<TextSecureAttachment> attachments = new LinkedList<>();
boolean endSession = ((content.getFlags() & PushMessageContent.Flags.END_SESSION_VALUE) != 0);
boolean secure = envelope.isWhisperMessage() || envelope.isPreKeyWhisperMessage();
@ -143,8 +145,9 @@ public class TextSecureCipher {
content.getBody(), syncContext, secure, endSession);
}
private TextSecureSyncContext createSyncContext(PushMessageContent content) {
private TextSecureSyncContext createSyncContext(TextSecureEnvelope envelope, PushMessageContent content) {
if (!content.hasSync()) return null;
if (!envelope.getSource().equals(localAddress.getNumber())) return null;
return new TextSecureSyncContext(content.getSync().getDestination(),
content.getSync().getTimestamp());