public Task Invoke(IDictionary <string, object> arg)
{
var env = new OwinEnvironment(arg);
var pathMatch = pathPattern.Match(env.Request.Path);
if (pathMatch.Success)
{
if (env.TryGetValue(OwinEnvironment.Owin.RequestMethod, out string method) && methods.Contains(method))
{
env.Response.StatusCode = System.Net.HttpStatusCode.OK;
env.Environment[OwinEnvironment.Owin.RequestPathMatch] = pathMatch;
var pathBase = env.Get(OwinEnvironment.Owin.RequestPathBase, "");
env.Environment[OwinEnvironment.Owin.RequestPathBase] = pathBase + pathMatch.Value;
env.Environment[OwinEnvironment.Owin.RequestPath] = env.Request.Path.Substring(pathMatch.Length);
env.RemoveResponseHeader("Allow");
return(branch.Invoke(arg));
}
else
{
env.Response.StatusCode = System.Net.HttpStatusCode.MethodNotAllowed;
var allow = env.GetResponseHeader("Allow", (string)null);
if (allow == null)
{
allow = String.Join(", ", methods);
}
else
{
allow = String.Join(", ", Enumerable.Repeat(allow, 1).Concat(methods));
}
env.SetResponseHeader("Allow", allow);
}
}
return(nextApp.Invoke(arg));
}
internal OwinRequest(OwinEnvironment owner)
{
env = owner;
Headers = new RequestHeaders(env);
Query = new RequestQuery(env);
Cookies = new RequestCookies(env);
Body = env.Get <System.IO.Stream>(Owin.RequestBody);
}
public Task WriteAsync(byte[] bytes, CancellationToken ct)
{
var strm = env.Get <System.IO.Stream>(Owin.ResponseBody);
return(strm.WriteAsync(bytes, 0, bytes.Length, ct));
}
