public void AddProtected(string name, JSON value)
{
if (objUnprotected.ContainsKey(name))
{
objUnprotected.Remove(name);
}
if (objProtected.ContainsKey(name))
{
objProtected[name] = value;
}
else
{
objProtected.Add(name, value);
}
}
public string EncodeCompact()
{
JSON objBody;
JSON objSigners = null;
if (signerList.Count != 1)
{
throw new JOSE_Exception("Compact mode not supported if more than one signer");
}
if (objUnprotected.Count > 0)
{
throw new JOSE_Exception("Compact mode not supported if unprotected attributes exist");
}
ForceArray(true);
objBody = EncodeToJSON();
// Base64 encoding says kill some messages
if (objBody.ContainsKey("signatures"))
{
objSigners = objBody["signatures"][0];
}
string str = "";
if (objSigners != null && objSigners.ContainsKey("protected"))
{
str += objSigners["protected"].AsString();
}
str += ".";
if (objBody.ContainsKey("payload"))
{
if (objBody["payload"].AsString().Contains('.'))
{
throw new Exception("Message cannot contain a period character");
}
str += objBody["payload"].AsString();
}
str += ".";
if (objSigners != null && objSigners.ContainsKey("signature"))
{
str += objSigners["signature"].AsString();
}
return(str);
}
public SignMessage(JSON json)
{
// Parse out the message from the JSON
if (json.ContainsKey("signatures"))
{
JSON signers = json["signatures"];
for (int i = 0; i < signers.Count; i++)
{
Signer signer = new Signer(signers[i]);
signerList.Add(signer);
}
}
else if (json.ContainsKey("signature"))
{
Signer signer = new Signer(json);
signerList.Add(signer);
}
if (json.ContainsKey("payload"))
{
JSON b64 = signerList[0].FindAttribute("b64", true);
if (b64 != null)
{
if (b64.nodeType != JsonType.boolean)
{
throw new Exception("Invalid message");
}
if (b64.AsBoolean())
{
payloadB64 = UTF8Encoding.UTF8.GetBytes(json["payload"].AsString());
payload = base64urldecode(json["payload"].AsString());
}
else
{
payload = UTF8Encoding.UTF8.GetBytes(json["payload"].AsString());
payloadB64 = payload;
}
}
else
{
payloadB64 = UTF8Encoding.UTF8.GetBytes(json["payload"].AsString());
payload = base64urldecode(json["payload"].AsString());
}
}
}
public Signer(JSON jsonSigner)
{
if (jsonSigner.ContainsKey("protected"))
{
protectedB64 = UTF8Encoding.ASCII.GetBytes(jsonSigner["protected"].AsString());
objProtected = JSON.Parse(UTF8Encoding.UTF8.GetString(Message.base64urldecode(jsonSigner["protected"].AsString())));
}
else
{
protectedB64 = new byte[0];
}
if (jsonSigner.ContainsKey("header"))
{
objUnprotected = jsonSigner["header"];
}
signature = Message.base64urldecode(jsonSigner["signature"].AsString());
}
public static Message DecodeFromJSON(JSON message)
{
if (message.ContainsKey("iv"))
{
EncryptMessage msgx = new EncryptMessage();
msgx.DecodeFromJSON(message);
return(msgx);
}
return(new SignMessage(message));
}
public Boolean ContainsName(string name)
{
return(json.ContainsKey(name));
}
