public static SignalMessage IncreaseReceiptCountLocked(SignalServiceEnvelope envelope)
{
SignalMessage m;
bool set_mark = false;
lock (DBLock)
{
using (var ctx = new SignalDBContext())
{
m = ctx.Messages.SingleOrDefault(t => t.ComposedTimestamp == envelope.getTimestamp());
if (m != null)
{
m.Receipts++;
if (m.Status == SignalMessageStatus.Confirmed)
{
m.Status = SignalMessageStatus.Received;
set_mark = true;
}
}
else
{
ctx.EarlyReceipts.Add(new SignalEarlyReceipt()
{
DeviceId = (uint)envelope.getSourceDevice(),
Timestamp = envelope.getTimestamp(),
Username = envelope.getSource()
});
}
ctx.SaveChanges();
}
}
return(set_mark? m : null);
}
private void handleEndSessionMessage(SignalServiceEnvelope envelope,
SignalServiceDataMessage message,
May <long> smsMessageId)
{
var smsDatabase = DatabaseFactory.getTextMessageDatabase();//getEncryptingSmsDatabase(context);
var incomingTextMessage = new IncomingTextMessage(envelope.getSource(),
envelope.getSourceDevice(),
message.getTimestamp(),
"", May <SignalServiceGroup> .NoValue);
long threadId;
if (!smsMessageId.HasValue)
{
IncomingEndSessionMessage incomingEndSessionMessage = new IncomingEndSessionMessage(incomingTextMessage);
Pair <long, long> messageAndThreadId = smsDatabase.InsertMessageInbox(incomingEndSessionMessage);
threadId = messageAndThreadId.second();
}
else
{
var messageId = smsMessageId.ForceGetValue();
smsDatabase.MarkAsEndSession(messageId);
threadId = smsDatabase.GetThreadIdForMessage(messageId);
}
SessionStore sessionStore = new TextSecureAxolotlStore();
sessionStore.DeleteAllSessions(envelope.getSource());
//SecurityEvent.broadcastSecurityUpdateEvent(context, threadId);
//MessageNotifier.updateNotification(context, masterSecret.getMasterSecret().orNull(), threadId);
}
private void HandleSessionResetMessage(SignalServiceEnvelope envelope, SignalServiceContent content, SignalServiceDataMessage dataMessage, bool isSync, long timestamp)
{
SignalMessageDirection type;
SignalContact author;
SignalMessageStatus status;
string prefix;
string conversationId;
long composedTimestamp;
if (isSync)
{
var sent = content.SynchronizeMessage.getSent().ForceGetValue();
type = SignalMessageDirection.Synced;
status = SignalMessageStatus.Confirmed;
composedTimestamp = sent.getTimestamp();
author = null;
prefix = "You have";
conversationId = sent.getDestination().ForceGetValue();
}
else
{
status = 0;
type = SignalMessageDirection.Incoming;
author = SignalDBContext.GetOrCreateContactLocked(envelope.getSource(), timestamp, this);
prefix = $"{author.ThreadDisplayName} has";
composedTimestamp = envelope.getTimestamp();
conversationId = envelope.getSource();
}
LibsignalDBContext.DeleteAllSessions(conversationId);
SignalMessage sm = new SignalMessage()
{
Direction = type,
Type = SignalMessageType.SessionReset,
Status = status,
Author = author,
Content = new SignalMessageContent()
{
Content = $"{prefix} reset the session."
},
ThreadId = conversationId,
DeviceId = (uint)envelope.getSourceDevice(),
Receipts = 0,
ComposedTimestamp = composedTimestamp,
ReceivedTimestamp = timestamp,
};
Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async() =>
{
await UIHandleIncomingMessage(sm);
}).AsTask().Wait();
}
private void HandleSessionResetMessage(SignalServiceEnvelope envelope, SignalServiceContent content, SignalServiceDataMessage dataMessage, bool isSync, long timestamp)
{
SignalMessageDirection type;
SignalContact author;
SignalMessageStatus status;
SignalConversation conversation;
string prefix;
string conversationId;
long composedTimestamp;
if (isSync)
{
var sent = content.SynchronizeMessage.getSent().ForceGetValue();
type = SignalMessageDirection.Synced;
status = SignalMessageStatus.Confirmed;
composedTimestamp = sent.getTimestamp();
author = null;
prefix = "You have";
conversationId = sent.getDestination().ForceGetValue();
}
else
{
status = 0;
type = SignalMessageDirection.Incoming;
author = SignalDBContext.GetOrCreateContactLocked(envelope.getSource(), timestamp);
prefix = $"{author.ThreadDisplayName} has";
composedTimestamp = envelope.getTimestamp();
conversationId = envelope.getSource();
}
LibsignalDBContext.DeleteAllSessions(conversationId);
conversation = SignalDBContext.GetOrCreateContactLocked(conversationId, 0);
SignalMessage sm = new SignalMessage()
{
Direction = type,
Type = SignalMessageType.SessionReset,
Status = status,
Author = author,
Content = new SignalMessageContent()
{
Content = $"{prefix} reset the session."
},
ThreadId = conversationId,
DeviceId = (uint)envelope.getSourceDevice(),
Receipts = 0,
ComposedTimestamp = composedTimestamp,
ReceivedTimestamp = timestamp,
};
SignalLibHandle.Instance.SaveAndDispatchSignalMessage(sm, conversation);
}
private void handleTextMessage(/*@NonNull MasterSecretUnion masterSecret,*/
SignalServiceEnvelope envelope,
SignalServiceDataMessage message,
May <long> smsMessageId)
{
var textMessageDatabase = DatabaseFactory.getTextMessageDatabase();
String body = message.getBody().HasValue ? message.getBody().ForceGetValue() : "";
IncomingTextMessage textMessage = new IncomingTextMessage(envelope.getSource(),
envelope.getSourceDevice(),
message.getTimestamp(), body,
message.getGroupInfo());
textMessage = new IncomingEncryptedMessage(textMessage, body);
var messageAndThreadId = textMessageDatabase.InsertMessageInbox(textMessage);
ToastHelper.NotifyNewMessage(messageAndThreadId.second(), DatabaseFactory.getDirectoryDatabase().GetForNumber(envelope.getSource()).Name, body);
}
public long Insert(SignalServiceEnvelope envelope)
{
// TODO check if exists
var push = new Push()
{
Type = envelope.getType(),
Source = envelope.getSource(),
DeviceId = envelope.getSourceDevice(),
LegacyMessage = envelope.hasLegacyMessage() ? Base64.encodeBytes(envelope.getLegacyMessage()) : "",
Content = envelope.hasContent() ? Base64.encodeBytes(envelope.getContent()) : "",
Timestamp = TimeUtil.GetDateTime(envelope.getTimestamp())
};
try
{
conn.Insert(push);
} catch (Exception e) { Debug.WriteLine(e.Message); }
return(push.PushId);
}
public static void IncreaseReceiptCountLocked(SignalServiceEnvelope envelope, MainPageViewModel mpvm)
{
SignalMessage m;
bool set_mark = false;
lock (DBLock)
{
using (var ctx = new SignalDBContext())
{
m = ctx.Messages.SingleOrDefault(t => t.ComposedTimestamp == envelope.getTimestamp());
if (m != null)
{
m.Receipts++;
if (m.Status == SignalMessageStatus.Confirmed)
{
m.Status = SignalMessageStatus.Received;
set_mark = true;
}
}
else
{
ctx.EarlyReceipts.Add(new SignalEarlyReceipt()
{
DeviceId = (uint)envelope.getSourceDevice(),
Timestamp = envelope.getTimestamp(),
Username = envelope.getSource()
});
}
ctx.SaveChanges();
}
}
if (set_mark)
{
Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
mpvm.UIUpdateMessageBox(m);
}).AsTask().Wait();
}
}
private void HandleSignalMessage(SignalServiceEnvelope envelope, SignalServiceContent content, SignalServiceDataMessage dataMessage, bool isSync, long timestamp)
{
SignalMessageDirection type;
SignalContact author;
SignalMessageStatus status;
string threadId;
long composedTimestamp;
string body = dataMessage.Body != null ? dataMessage.Body : "";
if (dataMessage.Group != null)
{
var rawId = dataMessage.Group.GroupId;
threadId = Base64.encodeBytes(rawId);
var g = SignalDBContext.GetOrCreateGroupLocked(threadId, timestamp, this);
if (!g.CanReceive)
{
SignalServiceGroup group = new SignalServiceGroup()
{
Type = SignalServiceGroup.GroupType.REQUEST_INFO,
GroupId = rawId
};
SignalServiceDataMessage requestInfoMessage = new SignalServiceDataMessage()
{
Group = group,
Timestamp = Util.CurrentTimeMillis()
};
MessageSender.sendMessage(envelope.getSourceAddress(), requestInfoMessage);
}
composedTimestamp = envelope.getTimestamp();
}
else
{
if (isSync)
{
var sent = content.SynchronizeMessage.getSent().ForceGetValue();
threadId = SignalDBContext.GetOrCreateContactLocked(sent.getDestination().ForceGetValue(), timestamp, this).ThreadId;
composedTimestamp = sent.getTimestamp();
}
else
{
threadId = SignalDBContext.GetOrCreateContactLocked(envelope.getSource(), timestamp, this).ThreadId;
composedTimestamp = envelope.getTimestamp();
}
}
if (isSync)
{
type = SignalMessageDirection.Synced;
status = SignalMessageStatus.Confirmed;
author = null;
}
else
{
status = 0;
type = SignalMessageDirection.Incoming;
author = SignalDBContext.GetOrCreateContactLocked(envelope.getSource(), timestamp, this);
}
List <SignalAttachment> attachments = new List <SignalAttachment>();
SignalMessage message = new SignalMessage()
{
Direction = type,
Status = status,
Author = author,
Content = new SignalMessageContent()
{
Content = body
},
ThreadId = threadId,
DeviceId = (uint)envelope.getSourceDevice(),
Receipts = 0,
ComposedTimestamp = composedTimestamp,
ReceivedTimestamp = timestamp,
AttachmentsCount = (uint)attachments.Count,
Attachments = attachments
};
if (dataMessage.Attachments != null)
{
var receivedAttachments = dataMessage.Attachments;
foreach (var receivedAttachment in receivedAttachments)
{
var pointer = receivedAttachment.asPointer();
SignalAttachment sa = new SignalAttachment()
{
Message = message,
Status = (uint)SignalAttachmentStatus.Default,
SentFileName = pointer.FileName,
ContentType = "",
Key = pointer.Key,
Relay = pointer.Relay,
StorageId = pointer.Id
};
attachments.Add(sa);
}
}
Debug.WriteLine("received message: " + message.Content);
if (type == SignalMessageDirection.Incoming)
{
if (App.WindowActive)
{
Utils.TryVibrate(true);
}
else
{
SendTileNotification(message);
SendMessageNotification(message);
}
}
Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async() =>
{
await UIHandleIncomingMessage(message);
}).AsTask().Wait();
}
private void HandleGroupUpdateMessage(SignalServiceEnvelope envelope, SignalServiceContent content, SignalServiceDataMessage dataMessage, bool isSync, long timestamp)
{
if (dataMessage.Group != null) //TODO check signal droid: group messages have different types!
{
SignalServiceGroup group = dataMessage.Group;
string groupid = Base64.encodeBytes(group.GroupId);
SignalGroup g = new SignalGroup();
string displayname = "Unknown group";
string avatarfile = null;
if (group.Name != null)
{
displayname = group.Name;
}
var dbgroup = SignalDBContext.InsertOrUpdateGroupLocked(groupid, displayname, avatarfile, true, timestamp, this);
if (group.Members != null)
{
foreach (var member in group.Members)
{
SignalDBContext.InsertOrUpdateGroupMembershipLocked(dbgroup.Id, SignalDBContext.GetOrCreateContactLocked(member, 0, this).Id);
}
}
/* insert message into conversation */
SignalMessageDirection type;
SignalContact author;
SignalMessageStatus status;
string prefix;
long composedTimestamp;
if (isSync)
{
var sent = content.SynchronizeMessage.getSent().ForceGetValue();
type = SignalMessageDirection.Synced;
status = SignalMessageStatus.Confirmed;
composedTimestamp = sent.getTimestamp();
author = null;
prefix = "You have";
}
else
{
status = 0;
type = SignalMessageDirection.Incoming;
author = SignalDBContext.GetOrCreateContactLocked(envelope.getSource(), timestamp, this);
prefix = $"{author.ThreadDisplayName} has";
composedTimestamp = envelope.getTimestamp();
}
SignalMessage sm = new SignalMessage()
{
Direction = type,
Type = SignalMessageType.GroupUpdate,
Status = status,
Author = author,
Content = new SignalMessageContent()
{
Content = $"{prefix} updated the group."
},
ThreadId = groupid,
DeviceId = (uint)envelope.getSourceDevice(),
Receipts = 0,
ComposedTimestamp = composedTimestamp,
ReceivedTimestamp = timestamp,
};
Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async() =>
{
await UIHandleIncomingMessage(sm);
}).AsTask().Wait();
}
else
{
Debug.WriteLine("received group update without group info!");
}
}
private byte[] decrypt(SignalServiceEnvelope envelope, byte[] ciphertext)
{
SignalProtocolAddress sourceAddress = new SignalProtocolAddress(envelope.getSource(), (uint)envelope.getSourceDevice());
SessionCipher sessionCipher = new SessionCipher(signalProtocolStore, sourceAddress);
byte[] paddedMessage;
if (envelope.isPreKeySignalMessage())
{
paddedMessage = sessionCipher.decrypt(new PreKeySignalMessage(ciphertext));
}
else if (envelope.isSignalMessage())
{
paddedMessage = sessionCipher.decrypt(new SignalMessage(ciphertext));
}
else
{
throw new InvalidMessageException("Unknown type: " + envelope.getType() + " from " + envelope.getSource());
}
PushTransportDetails transportDetails = new PushTransportDetails(sessionCipher.getSessionVersion());
return(transportDetails.getStrippedPaddingMessageBody(paddedMessage));
}
private Pair <long, long> insertPlaceholder(SignalServiceEnvelope envelope)
{
var database = DatabaseFactory.getTextMessageDatabase(); //getEncryptingSmsDatabase(context);
IncomingTextMessage textMessage = new IncomingTextMessage(envelope.getSource(), envelope.getSourceDevice(),
envelope.getTimestamp(), "",
May <SignalServiceGroup> .NoValue);
textMessage = new IncomingEncryptedMessage(textMessage, "");
return(database.InsertMessageInbox(textMessage));
}
private void handleUntrustedIdentityMessage(SignalServiceEnvelope envelope, May <long> smsMessageId)
{
try
{
var database = DatabaseFactory.getTextMessageDatabase(); //getEncryptingSmsDatabase(context);
Recipients recipients = RecipientFactory.getRecipientsFromString(envelope.getSource(), false);
long recipientId = recipients.getPrimaryRecipient().getRecipientId();
PreKeySignalMessage whisperMessage = new PreKeySignalMessage(envelope.getLegacyMessage());
IdentityKey identityKey = whisperMessage.getIdentityKey();
String encoded = Base64.encodeBytes(envelope.getLegacyMessage());
IncomingTextMessage textMessage = new IncomingTextMessage(envelope.getSource(), envelope.getSourceDevice(),
envelope.getTimestamp(), encoded,
May <SignalServiceGroup> .NoValue);
if (!smsMessageId.HasValue)
{
IncomingPreKeyBundleMessage bundleMessage = new IncomingPreKeyBundleMessage(textMessage, encoded);
Pair <long, long> messageAndThreadId = database.InsertMessageInbox(bundleMessage);
database.SetMismatchedIdentity(messageAndThreadId.first(), recipientId, identityKey);
//MessageNotifier.updateNotification(context, masterSecret.getMasterSecret().orNull(), messageAndThreadId.second);
}
else
{
var messageId = smsMessageId.ForceGetValue();
database.UpdateMessageBody(messageId, encoded);
database.MarkAsPreKeyBundle(messageId);
database.SetMismatchedIdentity(messageId, recipientId, identityKey);
}
}
catch (InvalidMessageException e)
{
throw new InvalidOperationException(e.Message);
}
catch (InvalidVersionException e)
{
throw new InvalidOperationException(e.Message);
}
}
private void HandleSignalMessage(SignalServiceEnvelope envelope, SignalServiceContent content, SignalServiceDataMessage dataMessage, bool isSync, long timestamp)
{
SignalMessageDirection type;
SignalContact author;
SignalMessageStatus status;
SignalConversation conversation;
long composedTimestamp;
string body = dataMessage.Body ?? "";
if (dataMessage.Group != null)
{
var rawId = dataMessage.Group.GroupId;
var threadId = Base64.encodeBytes(rawId);
conversation = SignalDBContext.GetOrCreateGroupLocked(threadId, timestamp);
if (!conversation.CanReceive)
{
SignalServiceGroup group = new SignalServiceGroup()
{
Type = SignalServiceGroup.GroupType.REQUEST_INFO,
GroupId = rawId
};
SignalServiceDataMessage requestInfoMessage = new SignalServiceDataMessage()
{
Group = group,
Timestamp = Util.CurrentTimeMillis()
};
//MessageSender.sendMessage(envelope.getSourceAddress(), requestInfoMessage); TODO
}
composedTimestamp = envelope.getTimestamp();
}
else
{
if (isSync)
{
var sent = content.SynchronizeMessage.getSent().ForceGetValue();
conversation = SignalDBContext.GetOrCreateContactLocked(sent.getDestination().ForceGetValue(), timestamp);
composedTimestamp = sent.getTimestamp();
}
else
{
conversation = SignalDBContext.GetOrCreateContactLocked(envelope.getSource(), timestamp);
composedTimestamp = envelope.getTimestamp();
}
}
if (isSync)
{
type = SignalMessageDirection.Synced;
status = SignalMessageStatus.Confirmed;
author = null;
}
else
{
status = 0;
type = SignalMessageDirection.Incoming;
author = SignalDBContext.GetOrCreateContactLocked(envelope.getSource(), timestamp);
}
List <SignalAttachment> attachments = new List <SignalAttachment>();
SignalMessage message = new SignalMessage()
{
Direction = type,
Status = status,
Author = author,
Content = new SignalMessageContent()
{
Content = body
},
ThreadId = conversation.ThreadId,
DeviceId = (uint)envelope.getSourceDevice(),
Receipts = 0,
ComposedTimestamp = composedTimestamp,
ReceivedTimestamp = timestamp,
AttachmentsCount = (uint)attachments.Count,
Attachments = attachments
};
if (dataMessage.Attachments != null)
{
var receivedAttachments = dataMessage.Attachments;
foreach (var receivedAttachment in receivedAttachments)
{
var pointer = receivedAttachment.asPointer();
SignalAttachment sa = new SignalAttachment()
{
Message = message,
Status = (uint)SignalAttachmentStatus.Default,
SentFileName = pointer.FileName,
ContentType = "",
Key = pointer.Key,
Relay = pointer.Relay,
StorageId = pointer.Id
};
attachments.Add(sa);
}
}
SignalLibHandle.Instance.SaveAndDispatchSignalMessage(message, conversation);
}
private void HandleGroupUpdateMessage(SignalServiceEnvelope envelope, SignalServiceContent content, SignalServiceDataMessage dataMessage, bool isSync, long timestamp)
{
if (dataMessage.Group != null) //TODO check signal droid: group messages have different types!
{
SignalServiceGroup group = dataMessage.Group;
string groupid = Base64.encodeBytes(group.GroupId);
SignalGroup g = new SignalGroup();
string displayname = "Unknown group";
string avatarfile = null;
if (group.Name != null)
{
displayname = group.Name;
}
var dbgroup = SignalDBContext.InsertOrUpdateGroupLocked(groupid, displayname, avatarfile, true, timestamp);
if (group.Members != null)
{
foreach (var member in group.Members)
{
SignalDBContext.InsertOrUpdateGroupMembershipLocked(dbgroup.Id, SignalDBContext.GetOrCreateContactLocked(member, 0).Id);
}
}
/* insert message into conversation */
SignalMessageDirection type;
SignalContact author;
SignalMessageStatus status;
string prefix;
long composedTimestamp;
if (isSync)
{
var sent = content.SynchronizeMessage.getSent().ForceGetValue();
type = SignalMessageDirection.Synced;
status = SignalMessageStatus.Confirmed;
composedTimestamp = sent.getTimestamp();
author = null;
prefix = "You have";
}
else
{
status = 0;
type = SignalMessageDirection.Incoming;
author = SignalDBContext.GetOrCreateContactLocked(envelope.getSource(), timestamp);
prefix = $"{author.ThreadDisplayName} has";
composedTimestamp = envelope.getTimestamp();
}
SignalMessage sm = new SignalMessage()
{
Direction = type,
Type = SignalMessageType.GroupUpdate,
Status = status,
Author = author,
Content = new SignalMessageContent()
{
Content = $"{prefix} updated the group."
},
ThreadId = groupid,
DeviceId = (uint)envelope.getSourceDevice(),
Receipts = 0,
ComposedTimestamp = composedTimestamp,
ReceivedTimestamp = timestamp,
};
SignalDBContext.SaveMessageLocked(sm);
dbgroup.MessagesCount += 1;
if (sm.Direction == SignalMessageDirection.Incoming)
{
dbgroup.UnreadCount += 1;
}
else
{
dbgroup.UnreadCount = 0;
dbgroup.LastSeenMessageIndex = dbgroup.MessagesCount;
}
dbgroup.LastMessage = sm;
SignalLibHandle.Instance.DispatchAddOrUpdateConversation(dbgroup, sm);
}
else
{
Logger.LogError("HandleGroupUpdateMessage() received group update without group info");
}
}
private void HandleExpirationUpdateMessage(SignalServiceEnvelope envelope, SignalServiceContent content, SignalServiceDataMessage message, bool isSync, long timestamp)
{
SignalMessageDirection type;
SignalContact author;
SignalMessageStatus status;
string prefix;
SignalConversation conversation;
long composedTimestamp;
if (isSync)
{
var sent = content.SynchronizeMessage.getSent().ForceGetValue();
type = SignalMessageDirection.Synced;
status = SignalMessageStatus.Confirmed;
composedTimestamp = sent.getTimestamp();
author = null;
prefix = "You have";
if (message.Group != null)
{
conversation = SignalDBContext.GetOrCreateGroupLocked(Base64.encodeBytes(message.Group.GroupId), 0);
}
else
{
conversation = SignalDBContext.GetOrCreateContactLocked(sent.getDestination().ForceGetValue(), 0);
}
}
else
{
status = 0;
type = SignalMessageDirection.Incoming;
author = SignalDBContext.GetOrCreateContactLocked(envelope.getSource(), timestamp);
prefix = $"{author.ThreadDisplayName} has";
composedTimestamp = envelope.getTimestamp();
if (message.Group != null)
{
conversation = SignalDBContext.GetOrCreateGroupLocked(Base64.encodeBytes(message.Group.GroupId), 0);
}
else
{
conversation = SignalDBContext.GetOrCreateContactLocked(envelope.getSource(), 0);
}
}
SignalDBContext.UpdateExpiresInLocked(conversation, (uint)message.ExpiresInSeconds);
SignalMessage sm = new SignalMessage()
{
Direction = type,
Type = SignalMessageType.ExpireUpdate,
Status = status,
Author = author,
Content = new SignalMessageContent()
{
Content = $"{prefix} set the expiration timer to {message.ExpiresInSeconds} seconds."
},
ThreadId = conversation.ThreadId,
DeviceId = (uint)envelope.getSourceDevice(),
Receipts = 0,
ComposedTimestamp = composedTimestamp,
ReceivedTimestamp = timestamp,
};
SignalLibHandle.Instance.SaveAndDispatchSignalMessage(sm, conversation);
}