public static IdentityLink Decode(string link)
{
if (link.StartsWith("deops://"))
{
link = link.Substring(8);
}
else
{
throw new Exception("Invalid Link");
}
string[] mainParts = link.Split('/', ':');
if (mainParts.Length < 4 || mainParts[1] != "identity")
{
throw new Exception("Invalid Link");
}
IdentityLink ident = new IdentityLink();
ident.OpName = HttpUtility.UrlDecode(mainParts[0]);
ident.Name = HttpUtility.UrlDecode(mainParts[2]);
ident.PublicOpID = Utilities.HextoBytes(mainParts[3]);
ident.PublicKey = Utilities.HextoBytes(mainParts[4]);
return(ident);
}
public string GenerateInvite(string pubLink, out string name)
{
IdentityLink ident = IdentityLink.Decode(pubLink);
// dont check opID, because invites come from different ops
name = ident.Name;
// deops://firesoft/invite/person@GlobalIM/originalopID~invitedata {op key web caches ips}
string link = string.Format("deops://{0}/invite/{1}@{2}/",
HttpUtility.UrlEncode(User.Settings.Operation),
HttpUtility.UrlEncode(ident.Name),
HttpUtility.UrlEncode(ident.OpName));
// encode invite info in user's public key
byte[] data = new byte[4096];
MemoryStream mem = new MemoryStream(data);
PacketStream stream = new PacketStream(mem, GuiProtocol, FileAccess.Write);
// write invite
OneWayInvite invite = new OneWayInvite();
invite.UserName = ident.Name;
invite.OpName = User.Settings.Operation;
invite.OpAccess = User.Settings.OpAccess;
invite.OpID = User.Settings.OpKey;
stream.WritePacket(invite);
// write some contacts
foreach (DhtContact contact in Network.Routing.GetCacheArea())
{
byte[] bytes = contact.Encode(GuiProtocol, InvitePacket.Contact);
mem.Write(bytes, 0, bytes.Length);
}
// write web caches
foreach (WebCache cache in Network.Cache.GetLastSeen(3))
{
stream.WritePacket(new WebCache(cache, InvitePacket.WebCache));
}
mem.WriteByte(0); // end packets
byte[] packets = Utilities.ExtractBytes(data, 0, (int)mem.Position);
byte[] encrypted = Utilities.KeytoRsa(ident.PublicKey).Encrypt(packets, false);
// ensure that this link is opened from the original operation remote's public key came from
byte[] final = Utilities.CombineArrays(ident.PublicOpID, encrypted);
return(link + Utilities.BytestoHex(final));
}
public string GetIdentity(ulong user)
{
if (!KeyMap.ContainsKey(user))
{
return("User Public Key Unknown");
}
IdentityLink link = new IdentityLink()
{
Name = GetName(user),
OpName = User.Settings.Operation,
PublicOpID = User.Settings.PublicOpID,
PublicKey = KeyMap[user]
};
string test = link.Encode();
IdentityLink check = IdentityLink.Decode(test);
Debug.Assert(Utilities.MemCompare(link.PublicOpID, check.PublicOpID) &&
Utilities.MemCompare(link.PublicKey, check.PublicKey));
return(link.Encode());
}
public string GetIdentity(ulong user)
{
if (!KeyMap.ContainsKey(user))
return "User Public Key Unknown";
IdentityLink link = new IdentityLink()
{
Name = GetName(user),
OpName = User.Settings.Operation,
PublicOpID = User.Settings.PublicOpID,
PublicKey = KeyMap[user]
};
string test = link.Encode();
IdentityLink check = IdentityLink.Decode(test);
Debug.Assert(Utilities.MemCompare(link.PublicOpID, check.PublicOpID) &&
Utilities.MemCompare(link.PublicKey, check.PublicKey));
return link.Encode();
}
public static IdentityLink Decode(string link)
{
if (link.StartsWith("deops://"))
link = link.Substring(8);
else
throw new Exception("Invalid Link");
string[] mainParts = link.Split('/', ':');
if (mainParts.Length < 4 || mainParts[1] != "identity")
throw new Exception("Invalid Link");
IdentityLink ident = new IdentityLink();
ident.OpName = HttpUtility.UrlDecode(mainParts[0]);
ident.Name = HttpUtility.UrlDecode(mainParts[2]);
ident.PublicOpID = Utilities.HextoBytes(mainParts[3]);
ident.PublicKey = Utilities.HextoBytes(mainParts[4]);
return ident;
}
