internal static string GenerateSig(ClientHeader header, XMMsgBind bind, string challenge, string securityKey)
{
Hashtable paramsMap = new Hashtable();
paramsMap.Add("challenge", challenge);
paramsMap.Add("token", bind.token);
paramsMap.Add("chid", header.chid);
paramsMap.Add("from", String.Format("{0}@xiaomi.com/{1}", header.uuid, header.resource));
paramsMap.Add("id", header.id);
paramsMap.Add("to", Constant.SERVER);
paramsMap.Add("kick", bind.kick);
paramsMap.Add("client_attrs", bind.client_attrs == null ? "" : bind.client_attrs);
paramsMap.Add("cloud_attrs", bind.cloud_attrs == null ? "" : bind.cloud_attrs);
ArrayList exps = new ArrayList();
exps.Add(bind.method.ToUpper());
ArrayList lst = new ArrayList(paramsMap.Keys);
lst.Sort();
foreach (string key in lst)
{
exps.Add(String.Format("{0}={1}", key, paramsMap[key]));
}
exps.Add(securityKey);
//logger.DebugFormat("GenerateSig =======securityKey:{0}", securityKey);
bool first = true;
StringBuilder sb = new StringBuilder();
foreach (String s in exps)
{
if (!first)
{
sb.Append('&');
}
sb.Append(s);
first = false;
}
//logger.DebugFormat(sb.ToString());
return(Hash4SHA1(sb.ToString()));
}
public static V6Packet BuildBindPacket(MIMCUser user)
{
if (string.IsNullOrEmpty(user.Token))
{
logger.DebugFormat("{0} User BuildBindPacket fail Token is null,wait ...", user.AppAccount);
return(null);
}
logger.DebugFormat("{0} User BuildBindPacket", user.AppAccount);
ClientHeader clientHeader = MIMCUtil.CreateClientHeader(user, Constant.CMD_BIND, Constant.CIPHER_NONE, MIMCUtil.CreateMsgId(user));
XMMsgBind xMMsgBind = new XMMsgBind();
xMMsgBind.token = user.Token;
xMMsgBind.method = Constant.METHOD;
xMMsgBind.client_attrs = user.ClientAttrs;
xMMsgBind.cloud_attrs = user.CloudAttrs;
xMMsgBind.kick = Constant.NO_KICK;
string sign = MIMCUtil.GenerateSig(clientHeader, xMMsgBind, user.Connection.Challenge, user.SecurityKey);
if (String.IsNullOrEmpty(sign))
{
logger.WarnFormat("GenerateSig fail sign is null");
return(null);
}
xMMsgBind.sig = sign;
V6Packet v6Packet = new V6Packet();
V6Body v6Body = new V6Body();
v6Body.PayloadType = Constant.PAYLOAD_TYPE;
v6Body.ClientHeader = clientHeader;
using (MemoryStream ms = new MemoryStream())
{
Serializer.Serialize(ms, xMMsgBind);
byte[] payload = ms.ToArray();
v6Body.Payload = payload;
v6Packet.Body = v6Body;
}
return(v6Packet);
}
