public async Task Existent_RouteDefinitionMatch_Test()
{
var httpContext = new DefaultHttpContext();
A.CallTo(() => _routeDefinitionMatcher.MatchAsync(
httpContext.Request.Path,
httpContext.Request.Method))
.Returns(new RouteDefinitionMatch());
await _middleware.InvokeAsync(httpContext);
Assert.IsNotNull(httpContext.GetRouteDefinitionMatch());
A.CallTo(() => _next(httpContext))
.MustHaveHappened();
}
public async Task OptionsCall_WithNoRoute_Test()
{
var httpContext = new DefaultHttpContext();
httpContext.Request.Method = HttpMethods.Options;
A.CallTo(() => _routeDefinitionMatcher.MatchAsync(A <string> .Ignored, A <string> .Ignored))
.Returns <RouteDefinitionMatch>(null);
await _middleware.InvokeAsync(httpContext);
A.CallTo(() => _next(httpContext))
.MustNotHaveHappened();
Assert.AreEqual(StatusCodes.Status204NoContent, httpContext.Response.StatusCode);
}
public async Task InvokeAsync(HttpContext httpContext)
{
var routeDefinitionMatch = await _routeDefinitionMatcher.MatchAsync(
httpContext.Request.Path.Value,
httpContext.Request.Method);
if (routeDefinitionMatch != null)
{
httpContext.SetRouteDefinitionMatch(routeDefinitionMatch);
}
await _next(httpContext);
}
public async Task InvokeAsync(HttpContext httpContext)
{
if (!httpContext.Request.Headers.TryGetValue(HeaderNames.Origin, out var origin))
{
origin = default;
}
if (httpContext.Request.Method == HttpMethods.Options)
{
if (!httpContext.Request.Headers.TryGetValue(HeaderNames.AccessControlRequestMethod, out var requestMethod))
{
requestMethod = default;
}
var optionsRouteDefinitionMatch = await _routeDefinitionMatcher.MatchAsync(httpContext.Request.Path.Value, requestMethod);
if (AllowsOrigin(origin, optionsRouteDefinitionMatch?.RouteDefinition))
{
httpContext.Response.Headers.Add(HeaderNames.AccessControlAllowOrigin, origin);
httpContext.Response.Headers.Add(HeaderNames.AccessControlAllowMethods,
new StringValues(optionsRouteDefinitionMatch.RouteDefinition.RouteMethods.ToArray()));
}
httpContext.Response.StatusCode = StatusCodes.Status204NoContent;
return;
}
var routeDefinitionMatch = httpContext.GetRouteDefinitionMatch();
if (AllowsOrigin(origin, routeDefinitionMatch?.RouteDefinition))
{
httpContext.Response.Headers.Add(HeaderNames.AccessControlAllowOrigin, origin);
}
await _next(httpContext);
}
