public static bool receiveAcceptFile(Friend friend, string uid)
{
FileTransfer transfer = TransferManager.getOutgoingTransfer(uid);
if (transfer == null)
{
return(false);
}
// Send first packet
return(TransferManager.sendFileData(friend, uid, 0));
}
public static bool sendFileData(Friend friend, string uid, ulong packet_number)
{
FileTransfer transfer = TransferManager.getOutgoingTransfer(uid);
if (transfer == null)
{
return(false);
}
using (MemoryStream m = new MemoryStream())
{
using (BinaryWriter writer = new BinaryWriter(m))
{
if (uid != null)
{
writer.Write(uid);
}
writer.Write(packet_number);
Logging.info("Fetching packet #{0}", packet_number);
byte[] data = transfer.getPacketData(packet_number);
// Write the data
if (data != null)
{
writer.Write(data.Length);
writer.Write(data);
}
else
{
writer.Write(0);
}
}
SpixiMessage spixi_message = new SpixiMessage(Guid.NewGuid().ToByteArray(), SpixiMessageCode.fileData, m.ToArray());
StreamMessage message = new StreamMessage();
message.type = StreamMessageCode.data;
message.recipient = friend.walletAddress;
message.sender = Node.walletStorage.getPrimaryAddress();
message.transaction = new byte[1];
message.sigdata = new byte[1];
message.data = spixi_message.getBytes();
StreamProcessor.sendMessage(friend, message);
}
return(true);
}
public static void completeFileTransfer(byte[] sender, string uid)
{
Friend friend = FriendList.getFriend(sender);
if (friend == null)
{
return;
}
FileTransfer transfer = TransferManager.getIncomingTransfer(uid);
if (transfer == null)
{
transfer = TransferManager.getOutgoingTransfer(uid);
if (transfer == null)
{
return;
}
}
transfer.fileStream.Dispose();
transfer.completed = true;
removePacketsForFileTransfer(uid);
FriendMessage fm = friend.messages.Find(x => x.transferId == uid);
fm.completed = true;
fm.filePath = transfer.filePath;
Node.localStorage.writeMessages(friend.walletAddress, friend.messages);
if (friend.chat_page != null)
{
friend.chat_page.updateFile(uid, "100", true);
}
}
private void onNavigating(object sender, WebNavigatingEventArgs e)
{
string current_url = HttpUtility.UrlDecode(e.Url);
e.Cancel = true;
if (current_url.Equals("ixian:onload", StringComparison.Ordinal))
{
onLoad();
}
else if (current_url.Equals("ixian:back", StringComparison.Ordinal))
{
friend.chat_page = null;
Navigation.PopAsync(Config.defaultXamarinAnimations);
}
else if (current_url.Equals("ixian:request", StringComparison.Ordinal))
{
Navigation.PushAsync(new WalletReceivePage(friend), Config.defaultXamarinAnimations);
}
else if (current_url.Equals("ixian:details", StringComparison.Ordinal))
{
Navigation.PushAsync(new ContactDetails(friend, true), Config.defaultXamarinAnimations);
}
else if (current_url.Equals("ixian:send", StringComparison.Ordinal))
{
Navigation.PushAsync(new WalletSendPage(friend.walletAddress), Config.defaultXamarinAnimations);
}
else if (current_url.Equals("ixian:accept", StringComparison.Ordinal))
{
onAcceptFriendRequest();
}
else if (current_url.Equals("ixian:call", StringComparison.Ordinal))
{
displaySpixiAlert("Voice Call", "Coming soon.\nCheck regularly for new version on www.spixi.io", "Ok");
}
else if (current_url.Equals("ixian:sendfile", StringComparison.Ordinal))
{
//displaySpixiAlert("Send File", "\nCheck regularly for new version on www.spixi.io", "Ok");
onSendFile();
}
else if (current_url.Contains("ixian:acceptfile:"))
{
string[] split = current_url.Split(new string[] { "ixian:acceptfile:" }, StringSplitOptions.None);
string id = split[1];
onAcceptFile(id);
}
else if (current_url.Contains("ixian:openfile:"))
{
// TODO: save the file path for later instances
string[] split = current_url.Split(new string[] { "ixian:openfile:" }, StringSplitOptions.None);
string id = split[1];
FileTransfer transfer = TransferManager.getIncomingTransfer(id);
if (transfer == null)
{
transfer = TransferManager.getOutgoingTransfer(id);
}
if (transfer == null)
{
displaySpixiAlert("Expired", "File link has expired.", "Ok");
return;
}
// Open file in default app. May not work, check https://forums.xamarin.com/discussion/103042/how-to-open-pdf-or-txt-file-in-default-app-on-xamarin-forms
Device.OpenUri(new Uri(transfer.filePath));
}
else if (current_url.Contains("ixian:chat:"))
{
string[] split = current_url.Split(new string[] { "ixian:chat:" }, StringSplitOptions.None);
string msg = split[1];
onSend(msg);
}
else if (current_url.Contains("ixian:viewPayment:"))
{
string[] split = current_url.Split(new string[] { "ixian:viewPayment:" }, StringSplitOptions.None);
string id = split[1];
onViewPayment(id);
}
else
{
// Otherwise it's just normal navigation
e.Cancel = false;
return;
}
e.Cancel = true;
}
public static bool sendFileData(Friend friend, string uid, ulong packet_number)
{
FileTransfer transfer = TransferManager.getOutgoingTransfer(uid);
if (transfer == null)
{
return(false);
}
using (MemoryStream m = new MemoryStream())
{
using (BinaryWriter writer = new BinaryWriter(m))
{
writer.Write(uid);
writer.Write(packet_number);
Logging.info("Sending file packet #{0}", packet_number);
byte[] data = transfer.getPacketData(packet_number);
// Write the data
if (data != null)
{
writer.Write(data.Length);
writer.Write(data);
}
else
{
writer.Write(0);
}
}
SpixiMessage spixi_message = new SpixiMessage(SpixiMessageCode.fileData, m.ToArray());
StreamMessage message = new StreamMessage();
message.type = StreamMessageCode.data;
message.recipient = friend.walletAddress;
message.sender = Node.walletStorage.getPrimaryAddress();
message.transaction = new byte[1];
message.sigdata = new byte[1];
message.data = spixi_message.getBytes();
StreamProcessor.sendMessage(friend, message, false, false, false);
}
if (friend.chat_page != null)
{
ulong totalPackets = transfer.fileSize / (ulong)Config.packetDataSize;
ulong fp = 0;
bool complete = false;
if (totalPackets == packet_number)
{
fp = 100;
complete = true;
}
else
{
fp = 100 / totalPackets * packet_number;
}
friend.chat_page.updateFile(uid, fp.ToString(), complete);
}
return(true);
}
public static void completeFileTransfer(byte[] sender, string uid)
{
Friend friend = FriendList.getFriend(sender);
if (friend == null)
{
return;
}
bool incoming = true;
FileTransfer transfer = TransferManager.getIncomingTransfer(uid);
if (transfer == null)
{
incoming = false;
transfer = TransferManager.getOutgoingTransfer(uid);
if (transfer == null)
{
return;
}
}
transfer.fileStream.Dispose();
if (incoming && transfer.fileName != null && transfer.fileName != "")
{
string final_file_path = Path.Combine(downloadsPath, transfer.fileName);
int instance_num = 0;
while (File.Exists(final_file_path))
{
instance_num++;
final_file_path = Path.Combine(downloadsPath, Path.GetFileNameWithoutExtension(transfer.fileName) + "-" + instance_num.ToString() + Path.GetExtension(transfer.fileName));
}
File.Move(transfer.filePath, final_file_path);
transfer.filePath = final_file_path;
}
transfer.completed = true;
removePacketsForFileTransfer(uid);
FriendMessage fm = friend.getMessages(transfer.channel).Find(x => x.transferId == uid);
fm.completed = true;
fm.filePath = transfer.filePath;
Node.localStorage.requestWriteMessages(friend.walletAddress, transfer.channel);
if (incoming)
{
lock (incomingTransfers)
{
incomingTransfers.Remove(transfer);
}
}
else
{
lock (outgoingTransfers)
{
outgoingTransfers.Remove(transfer);
}
}
if (friend.chat_page != null)
{
friend.chat_page.updateFile(uid, "100", true);
}
}