public Task Invoke(IDictionary<string, object> env)
{
var request = new OwinRequest(env);
var logger = _kernel.Get<ILogger>();
var requestHeaders = new StringBuilder();
foreach (var header in request.Headers)
{
requestHeaders.AppendLine(header.Key + " = " + request.GetHeader(header.Key));
}
Task task = _next(env);
var response = new OwinResponse(env);
var responseHeaders = new StringBuilder();
foreach (var header in response.Headers)
{
responseHeaders.AppendLine(header.Key + " = " + response.GetHeader(header.Key));
}
logger.Log("URI: " + request.Uri + " " + Environment.NewLine +
"Request Headers: \r\n " + requestHeaders.ToString() + Environment.NewLine +
"Response Headers: \r\n " + responseHeaders.ToString());
return task;
}
public Task Invoke(IDictionary<string, object> env)
{
var request = new OwinRequest(env);
var response = new OwinResponse(env);
if (!request.Uri.Scheme.Equals("https", StringComparison.OrdinalIgnoreCase))
{
var builder = new UriBuilder(request.Uri);
builder.Scheme = "https";
if (request.Uri.IsDefaultPort)
{
builder.Port = -1;
}
response.SetHeader("Location", builder.ToString());
response.StatusCode = 302;
return TaskAsyncHelper.Empty;
}
else
{
return _next(env);
}
}
public Task Invoke(IDictionary<string, object> environment)
{
var request = new OwinRequest(environment);
if (string.IsNullOrEmpty(_options.Path) || string.Equals(request.Path, _options.Path, StringComparison.OrdinalIgnoreCase))
{
// TODO: Make it pretty
OwinResponse response = new OwinResponse(environment);
response.ContentType = "text/html";
StringBuilder builder = new StringBuilder();
builder.AppendLine("<html>")
.AppendLine("<head>")
.AppendLine("<title>")
.AppendLine("Welcome")
.AppendLine("</title>")
.AppendLine("</head>")
.AppendLine("<body>")
.AppendLine("<H1>Welcome</H1>")
.AppendLine("<p>You have reached the default application page.</p>")
.AppendLine("<H4>Additional Resources:</H4>")
.AppendLine("<ul>")
.AppendLine("<li><a href=\"http://katanaproject.codeplex.com/\">Katana Project</a>")
.AppendLine("<li><a href=\"http://www.owin.org/\">owin.org</a>")
.AppendLine("</ul>")
.AppendLine("</body>")
.AppendLine("</html>");
return response.WriteAsync(builder.ToString());
}
return _next(environment);
}
public async Task<string> GetTemplate(OwinRequest request)
{
using (var reader = new StreamReader(file.CreateReadStream()))
{
return await reader.ReadToEndAsync();
}
}
public async Task Invoke(IDictionary<string, object> env)
{
var request = new OwinRequest(env);
var response = new OwinResponse(env);
int id;
if (int.TryParse(request.Path.Substring(1), out id))
{
switch (request.Method)
{
case "GET":
var job = await _jobList.GetJob(id);
JsonSerializer.SerializeToStream(job, response.Body);
break;
case "DELETE":
_jobList.DeleteJob(id);
break;
default:
throw new NotImplementedException();
}
}
else
{
JsonSerializer.SerializeToStream(await _jobList.ListJobs(), response.Body);
}
}
public static IDictionary<string, object> WithHeader(this IDictionary<string, object> env, string key, string value)
{
var request = new OwinRequest(env);
request.SetHeader(key, value);
return request.Dictionary;
}
public Func<OwinRequest, object> GetMatch(OwinRequest request)
{
var match = _routeHandlers
.Where(rvp => rvp.Key.HasMatch(request))
.OrderByDescending(rvp => rvp.Key.Specificity)
.Select(rvp => rvp.Value).FirstOrDefault();
return match;
}
public static IDictionary<string, object> WithBody(this IDictionary<string, object> env, Stream stream)
{
var request = new OwinRequest(env);
request.Body = stream;
request.SetHeader("Content-Length", stream.Length.ToString());
return request.Dictionary;
}
private static void BuildRequestFromUri(OwinRequest request, Uri uri)
{
request.Host = uri.GetComponents(UriComponents.HostAndPort, UriFormat.Unescaped);
request.PathBase = String.Empty;
request.Path = uri.LocalPath;
request.Scheme = uri.Scheme;
request.QueryString = uri.Query.Length > 0 ? uri.Query.Substring(1) : String.Empty;
}
Task UpgradeToWebSockets(OwinRequest request, OwinResponse response, Func<Task> next)
{
if (!request.CanAccept)
return next();
request.Accept(WebSocketEcho);
return Task.FromResult<object>(null);
}
public void Init()
{
table = new Mock<IRouteTable>();
renderer = new Mock<IRazorRenderer>();
request = new OwinRequest(new Dictionary<string, object>());
response = new OwinResponse(new Dictionary<string, object>()) { Headers = new Dictionary<string, string[]>(), Body = new MemoryStream() };
middleware = new RazorMiddleware(table.Object, renderer.Object);
}
static AppFunc LogBefore(AppFunc next)
{
return env =>
{
var request = new OwinRequest(env);
Console.WriteLine("{0} {1}", request.Method, request.Path);
return next(env);
};
}
private ICompressedStorage GetStorageOnce(IDictionary<string, object> environment)
{
ICompressedStorage storage = _options.CompressedStorageProvider.Create();
var onAppDisposing = new OwinRequest(environment).Get<CancellationToken>("host.OnAppDisposing");
if (onAppDisposing != CancellationToken.None)
{
onAppDisposing.Register(storage.Dispose);
}
return storage;
}
public Task Invoke(IDictionary<string, object> environment)
{
var request = new OwinRequest(environment);
if (_routeMatcher.HasMatch(request))
{
var response = new OwinResponse(environment);
var routeHandler = _routeMatcher.GetMatch(request);
return InvokeHandler(response, routeHandler, request);
}
return _next(environment);
}
public Task Invoke(IDictionary<string, object> environment)
{
var request = new OwinRequest(environment);
var handler = FindHandler(request.Method, request.Path);
if (handler == null)
return _next(environment);
return handler(environment, _next);
}
private static Task InvokeHandler(OwinResponse res, Func<OwinRequest, object> routeHandler, OwinRequest req)
{
var result = routeHandler(req);
var flaskyResponse = result as IResponse;
if(flaskyResponse != null)
{
return flaskyResponse.Write(res);
}
res.ContentType = "text/plain";
return res.WriteAsync(result.ToString());
}
public bool HasMatch(OwinRequest request)
{
switch (_setting)
{
case RouteSetting.Path :
return HasMatch(request.Path);
case RouteSetting.PathAndMethod:
return HasMatch(request.Path) && _method.Equals(request.Method, StringComparison.OrdinalIgnoreCase);
}
return false;
}
public StaticCompressionContext(IDictionary<string, object> environment, StaticCompressionOptions options, IEncoding encoding, ICompressedStorage storage)
{
_environment = environment;
_options = options;
_encoding = encoding;
_encodingSuffix = "^" + _encoding.Name;
_encodingSuffixQuote = "^" + _encoding.Name + "\"";
_storage = storage;
_request = new OwinRequest(environment);
_response = new OwinResponse(environment);
}
public Task Invoke(IDictionary<string, object> env)
{
var request = new OwinRequest(env);
var response = new OwinResponse(env);
if (!request.IsLocal)
{
response.StatusCode = (int)HttpStatusCode.ServiceUnavailable;
return Task.FromResult(0);
}
return _next(env);
}
private bool IsRequestForHttp2Upgrade(OwinRequest request)
{
// TODO: Supported methods? None called out in the 01 spec, but the sample uses GET.
// POST would be problematic as you'd also have to consume all of the request data before completing the upgrade.
// Headers
// Connection: Upgrade
// Upgrade: HTTP/2.0
return string.Equals(request.GetHeader("Connection"), "Upgrade", StringComparison.OrdinalIgnoreCase)
&& string.Equals(request.GetHeader("Upgrade"), "HTTP/2.0", StringComparison.OrdinalIgnoreCase);
}
public Task Invoke(IDictionary<string, object> environment)
{
var request = new OwinRequest(environment);
if (string.IsNullOrEmpty(_options.Path) || string.Equals(request.Path, _options.Path, StringComparison.OrdinalIgnoreCase))
{
// TODO: Make it pretty
OwinResponse response = new OwinResponse(environment);
response.ContentType = "text/plain";
return response.WriteAsync("Welcome to Katana");
}
return _next(environment);
}
public Task Invoke(IDictionary<string, object> environment)
{
OwinRequest request = new OwinRequest(environment);
OwinResponse response = new OwinResponse(environment);
response.ContentType = "text/plain";
string responseText = request.GetHeader("breadcrumbs") + "\r\n"
+ "PathBase: " + request.PathBase + "\r\n"
+ "Path: " + request.Path + "\r\n";
return response.WriteAsync(responseText);
}
public async Task Invoke(IDictionary<string, object> environment)
{
var request = new OwinRequest(environment);
Uri uri = request.Uri;
// Create a stream for the host and port so we can send the request
Stream stream = await _streamFactory.CreateStream(uri).ConfigureAwait(continueOnCapturedContext: false);
var requestWriter = new StreamWriter(stream);
// Request line
requestWriter.WriteLine("{0} {1} {2}", request.Method, uri.LocalPath, request.Protocol);
// Write headers
foreach (var header in request.Headers)
{
requestWriter.WriteLine("{0}: {1}", header.Key, request.GetHeader(header.Key));
}
// End headers
requestWriter.WriteLine();
if (request.Body == null)
{
// End request
requestWriter.WriteLine();
}
// Flush buffered content to the stream async
await requestWriter.FlushAsync().ConfigureAwait(continueOnCapturedContext: false);
if (request.Body != null)
{
// Copy the body to the request
await request.Body.CopyToAsync(stream).ConfigureAwait(continueOnCapturedContext: false);
}
var response = new OwinResponse(environment);
// Parse the response
HttpParser.ParseResponse(stream, (protocol, statusCode, reasonPhrase) =>
{
response.Protocol = protocol;
response.StatusCode = statusCode;
response.ReasonPhrase = reasonPhrase;
},
(key, value) => response.SetHeader(key, value));
// Set the body to the rest of the stream
response.Body = stream;
}
public Task Invoke(IDictionary<string, object> env)
{
var request = new OwinRequest(env);
// This header is set on app harbor since ssl is terminated at the load balancer
var scheme = request.GetHeader("X-Forwarded-Proto");
if (!String.IsNullOrEmpty(scheme))
{
env[OwinConstants.RequestScheme] = scheme;
}
return _next(env);
}
public async Task Invoke(IDictionary<string, object> env) {
OwinRequest request = new OwinRequest(env);
if (request.Path == "/raw") {
OwinResponse response = new OwinResponse(request);
response.ContentType = "text/plain";
await response.WriteAsync("Hello from OWIN!");
}
else {
await _nextFunc(env);
}
}
public async Task Invoke(IDictionary<string, object> env)
{
object value;
if (env.TryGetValue("server.User", out value))
{
var windowsPrincipal = value as WindowsPrincipal;
if (windowsPrincipal != null && windowsPrincipal.Identity.IsAuthenticated)
{
await _next(env);
var request = new OwinRequest(env);
var response = new OwinResponse(env);
if (response.StatusCode == 401)
{
// We're going no add the identifier claim
var nameClaim = windowsPrincipal.FindFirst(ClaimTypes.Name);
// This is the domain name
string name = nameClaim.Value;
// If the name is something like DOMAIN\username then
// grab the name part
var parts = name.Split(new[] { '\\' }, 2);
string shortName = parts.Length == 1 ? parts[0] : parts[parts.Length - 1];
// REVIEW: Do we want to preserve the other claims?
// Normalize the claims here
var claims = new List<Claim>();
claims.Add(new Claim(ClaimTypes.NameIdentifier, name));
claims.Add(new Claim(ClaimTypes.Name, shortName));
claims.Add(new Claim(ClaimTypes.AuthenticationMethod, "Windows"));
var identity = new ClaimsIdentity(claims, Constants.JabbRAuthType);
var claimsPrincipal = new ClaimsPrincipal(identity);
response.SignIn(claimsPrincipal);
response.StatusCode = 302;
response.SetHeader("Location", request.PathBase + request.Path);
}
return;
}
}
await _next(env);
}
public static AppFunc Middleware(AppFunc app)
{
return env =>
{
var request = new OwinRequest(env);
var websocketVersion = request.Get<string>(OwinConstants.WebSocket.Version);
WebSocketAccept webSocketAccept = request.Get<WebSocketAccept>(OwinConstants.WebSocket.Accept);
if (request.CanUpgrade && websocketVersion == null) // If we have opaque support and no WebSocket support yet
{
if (IsWebSocketRequest(env))
{
// TODO: check for correct requested version of WebSocket protocol
IDictionary<string, object> acceptOptions = null;
WebSocketFunc webSocketFunc = null;
// Announce websocket support
env[OwinConstants.WebSocket.Accept] = new WebSocketAccept(
(options, callback) =>
{
acceptOptions = options;
webSocketFunc = callback;
env[OwinConstants.ResponseStatusCode] = 101;
});
return app(env).ContinueWith(t =>
{
OwinResponse response = new OwinResponse(env);
if (response.StatusCode == 101
&& webSocketFunc != null)
{
SetWebSocketResponseHeaders(env, acceptOptions);
request.UpgradeDelegate(acceptOptions, opaqueEnv =>
{
WebSocketLayer webSocket = new WebSocketLayer(opaqueEnv);
return webSocketFunc(webSocket.Environment)
.ContinueWith(tt => webSocket.CleanupAsync());
});
}
});
}
}
// else
return app(env);
};
}
private string BuildRedirectUrl(OwinResponse response)
{
string location = response.GetHeader("Location");
Uri uri;
if (Uri.TryCreate(location, UriKind.Relative, out uri))
{
// If location is relative, we need to build a full url
var previousRequest = new OwinRequest(response.Dictionary);
var uriBuilder = new UriBuilder(previousRequest.Uri);
uriBuilder.Path = location;
return uriBuilder.ToString();
}
return location;
}
/// <summary></summary>
/// <param name="environment"></param>
/// <returns></returns>
public async Task Invoke(IDictionary<string, object> environment)
{
OwinRequest request = new OwinRequest(environment);
OwinResponse response = new OwinResponse(environment);
CancellationToken cancellationToken = request.CallCancelled;
AuthenticationHeaderValue authorization;
string authorizationHeaderError;
if (!TryParseAuthorizationHeader(request, out authorization, out authorizationHeaderError))
{
response.StatusCode = 400;
cancellationToken.ThrowIfCancellationRequested();
await WriteMessage(authorizationHeaderError, response, cancellationToken);
return;
}
cancellationToken.ThrowIfCancellationRequested();
IBasicAuthenticationResult result = await AuthenticateAsync(authorization, cancellationToken);
int errorStatusCode;
string errorMessage;
if (!TryProcessResult(result, environment, out errorStatusCode, out errorMessage))
{
response.StatusCode = errorStatusCode;
cancellationToken.ThrowIfCancellationRequested();
await AddChallengeOnUnauthorizedAsync(response, cancellationToken);
cancellationToken.ThrowIfCancellationRequested();
await WriteMessage(errorMessage, response, cancellationToken);
return;
}
cancellationToken.ThrowIfCancellationRequested();
AuthenticationHeaderValue challenge = await _protocol.CreateChallengeAsync(cancellationToken);
if (!TryRegisterOnSendingHeaders(challenge, request, response, out errorMessage))
{
response.StatusCode = 500;
cancellationToken.ThrowIfCancellationRequested();
await WriteMessage(errorMessage, response, cancellationToken);
return;
}
cancellationToken.ThrowIfCancellationRequested();
await _next(environment);
}
private static Task RequestDump(OwinRequest request, OwinResponse response)
{
var builder = new StringBuilder();
builder.AppendLine("<h1>Katana demo op TechDays</h1>");
builder.AppendLine("<h2>request.Dictionary</h2>");
builder.Append("<table>");
foreach (var item in request.Dictionary)
{
builder.AppendFormat("<tr><td>{0}</td><td>{1}</td></tr>",
item.Key, item.Value);
}
builder.Append("</table>");
response.ContentType = "text/html";
return response.WriteAsync(builder.ToString());
}
public bool Equals(OwinRequest other)
{
return(Equals(_dictionary, other._dictionary));
}
public OwinResponse(OwinRequest request)
{
_dictionary = request.Dictionary;
}
