// Send an encrypted message using the S2 network
public static void sendMessage(StreamMessage msg, string hostname = null)
{
StreamClientManager.broadcastData(ProtocolMessageCode.s2data, msg.getBytes());
/* string pub_k = FriendList.findContactPubkey(msg.recipientAddress);
* if (pub_k.Length < 1)
* {
* Console.WriteLine("Contact {0} not found, adding to offline queue!", msg.recipientAddress);
* addOfflineMessage(msg);
* return;
* }
*
*
* // Create a new IXIAN transaction
* // byte[] checksum = Crypto.sha256(encrypted_message);
* Transaction transaction = new Transaction(0, msg.recipientAddress, Node.walletStorage.address);
* // transaction.data = Encoding.UTF8.GetString(checksum);
* msg.transactionID = transaction.id;
* //ProtocolMessage.broadcastProtocolMessage(ProtocolMessageCode.newTransaction, transaction.getBytes());
*
* // Add message to the queue
* messages.Add(msg);
*
* // Request a new keypair from the S2 Node
* if(hostname == null)
* ProtocolMessage.broadcastProtocolMessage(ProtocolMessageCode.s2generateKeys, Encoding.UTF8.GetBytes(msg.getID()));
* else
* {
* NetworkClientManager.sendData(ProtocolMessageCode.s2generateKeys, Encoding.UTF8.GetBytes(msg.getID()), hostname);
* }*/
}
private static int cooldownPeriod = 60; // cooldown period in seconds
public static bool sendPushMessage(StreamMessage msg, bool push)
{
string receiver = Base58Check.Base58CheckEncoding.EncodePlain(msg.recipient);
string sender = Base58Check.Base58CheckEncoding.EncodePlain(msg.sender);
string data = HttpUtility.UrlEncode(Convert.ToBase64String(msg.getBytes()));
string pub_key = "";
if (msg.id.Length == 1 && msg.id[0] == 1)
{
pub_key = HttpUtility.UrlEncode(Convert.ToBase64String(Node.walletStorage.getPrimaryPublicKey()));
}
Friend f = FriendList.getFriend(msg.recipient);
if (f == null)
{
return(true); // return true to skip sending this message and remove it from the queue
}
string URI = String.Format("{0}/push.php", Config.pushServiceUrl);
string parameters = String.Format("tag={0}&data={1}&pk={2}&push={3}&fa={4}", receiver, data, pub_key, push, sender);
using (WebClient client = new WebClient())
{
try
{
client.Headers[HttpRequestHeader.ContentType] = "application/x-www-form-urlencoded";
string htmlCode = client.UploadString(URI, parameters);
if (htmlCode.Equals("OK"))
{
if (msg.id.Length == 1 && msg.id[0] >= f.handshakeStatus)
{
f.handshakePushed = true;
FriendList.saveToStorage();
}
return(true);
}
}catch (Exception e)
{
Logging.error("Exception occured in sendPushMessage: " + e);
}
}
return(false);
}
public static bool sendPushMessage(StreamMessage msg, bool push)
{
string receiver = Base58Check.Base58CheckEncoding.EncodePlain(msg.recipient);
string sender = Base58Check.Base58CheckEncoding.EncodePlain(msg.sender);
string data = HttpUtility.UrlEncode(Convert.ToBase64String(msg.getBytes()));
string pub_key = "";
if (msg.id.Length == 1 && msg.id[0] == 1)
{
pub_key = HttpUtility.UrlEncode(Convert.ToBase64String(IxianHandler.getWalletStorage().getPrimaryPublicKey()));
}
Friend f = FriendList.getFriend(msg.recipient);
if (f == null)
{
return(true); // return true to skip sending this message and remove it from the queue
}
string url = string.Format("{0}/push.php", Config.pushServiceUrl);
string parameters = string.Format("tag={0}&data={1}&pk={2}&push={3}&fa={4}", receiver, data, pub_key, push, sender);
using (HttpClient client = new HttpClient())
{
try
{
HttpContent httpContent = new StringContent(parameters, Encoding.UTF8, "application/x-www-form-urlencoded");
var response = client.PostAsync(url, httpContent).Result;
string body = response.Content.ReadAsStringAsync().Result;
if (body.Equals("OK"))
{
return(true);
}
}catch (Exception e)
{
Logging.error("Exception occured in sendPushMessage: " + e);
}
}
return(false);
}
// Send an encrypted message using the S2 network
public static bool sendMessage(Friend friend, StreamMessage msg, bool add_to_offline_messages = true)
{
// TODO this function has to be improved and node's wallet address has to be added
string hostname = friend.searchForRelay();
if (friend.publicKey != null && (msg.encryptionType == StreamMessageEncryptionCode.rsa || (friend.aesKey != null && friend.chachaKey != null)))
{
msg.encrypt(friend.publicKey, friend.aesKey, friend.chachaKey);
}
else if (msg.encryptionType != StreamMessageEncryptionCode.none || !friend.online)
{
if (friend.publicKey == null)
{
byte[] pub_k = FriendList.findContactPubkey(friend.walletAddress);
friend.publicKey = pub_k;
}
StreamClientManager.connectTo(hostname, null); // TODO replace null with node address
Logging.warn("Could not send message to {0}, due to missing encryption keys, adding to offline queue!", Base58Check.Base58CheckEncoding.EncodePlain(msg.recipient));
if (add_to_offline_messages)
{
addOfflineMessage(msg);
}
return(false);
}
if (!StreamClientManager.sendToClient(hostname, ProtocolMessageCode.s2data, msg.getBytes(), Encoding.UTF8.GetBytes(msg.getID())))
{
StreamClientManager.connectTo(hostname, null); // TODO replace null with node address
Logging.warn("Could not send message to {0}, adding to offline queue!", Base58Check.Base58CheckEncoding.EncodePlain(msg.recipient));
if (add_to_offline_messages)
{
addOfflineMessage(msg);
}
return(false);
}
return(true);
/* string pub_k = FriendList.findContactPubkey(msg.recipientAddress);
* if (pub_k.Length < 1)
* {
* Console.WriteLine("Contact {0} not found, adding to offline queue!", msg.recipientAddress);
* addOfflineMessage(msg);
* return;
* }
*
*
* // Create a new IXIAN transaction
* // byte[] checksum = Crypto.sha256(encrypted_message);
* Transaction transaction = new Transaction(0, msg.recipientAddress, Node.walletStorage.address);
* // transaction.data = Encoding.UTF8.GetString(checksum);
* msg.transactionID = transaction.id;
* //ProtocolMessage.broadcastProtocolMessage(ProtocolMessageCode.newTransaction, transaction.getBytes());
*
* // Add message to the queue
* messages.Add(msg);
*
* // Request a new keypair from the S2 Node
* if(hostname == null)
* ProtocolMessage.broadcastProtocolMessage(ProtocolMessageCode.s2generateKeys, Encoding.UTF8.GetBytes(msg.getID()));
* else
* {
* NetworkClientManager.sendData(ProtocolMessageCode.s2generateKeys, Encoding.UTF8.GetBytes(msg.getID()), hostname);
* }*/
}
