private async Task OnProcess(IDictionary<string, object> owinenv)
{
var env = new OWINEnv(owinenv);
var cancel_token = env.CallCanlelled;
try {
if (!HTTPUtils.CheckAuthorization(env.GetAuthorizationToken(), env.AccessControlInfo)) {
throw new HTTPError(HttpStatusCode.Unauthorized);
}
var ctx = new APIContext(this, this.Application.PeerCast, env.AccessControlInfo);
var rpc_host = new JSONRPCHost(ctx);
switch (env.RequestMethod) {
case "HEAD":
case "GET":
await SendJson(env, ctx.GetVersionInfo(), env.RequestMethod!="HEAD", cancel_token);
break;
case "POST":
{
if (!env.RequestHeaders.ContainsKey("X-REQUESTED-WITH")) {
throw new HTTPError(HttpStatusCode.BadRequest);
}
if (!env.RequestHeaders.ContainsKey("CONTENT-LENGTH")) {
throw new HTTPError(HttpStatusCode.LengthRequired);
}
var body = env.RequestBody;
var len = body.Length;
if (len<=0 || RequestLimit<len) {
throw new HTTPError(HttpStatusCode.BadRequest);
}
try {
var timeout_token = new CancellationTokenSource(TimeoutLimit);
var buf = await body.ReadBytesAsync((int)len, CancellationTokenSource.CreateLinkedTokenSource(cancel_token, timeout_token.Token).Token);
var request_str = System.Text.Encoding.UTF8.GetString(buf);
JToken res = rpc_host.ProcessRequest(request_str);
if (res!=null) {
await SendJson(env, res, true, cancel_token);
}
else {
throw new HTTPError(HttpStatusCode.NoContent);
}
}
catch (OperationCanceledException) {
throw new HTTPError(HttpStatusCode.RequestTimeout);
}
}
break;
default:
throw new HTTPError(HttpStatusCode.MethodNotAllowed);
}
}
catch (HTTPError err) {
env.ResponseStatusCode = (int)err.StatusCode;
}
catch (UnauthorizedAccessException) {
env.ResponseStatusCode = (int)HttpStatusCode.Forbidden;
}
}
public APIHostOutputStream(
APIHost owner,
PeerCast peercast,
Stream input_stream,
Stream output_stream,
EndPoint remote_endpoint,
AccessControlInfo access_control,
HTTPRequest request,
byte[] header)
: base(peercast, input_stream, output_stream, remote_endpoint, access_control, null, header)
{
this.owner = owner;
this.request = request;
this.rpcHost = new JSONRPCHost(this);
Logger.Debug("Initialized: Remote {0}", remote_endpoint);
}
