public void BuildEndpoints_JustHostWithWildcard_Works()
{
// Arrange
var builder = Create <RuntimeRouteBuilder>();
var parsedRoute = new ParsedRoute
{
RouteId = "route1",
Host = "*.example.com",
Priority = 12,
};
var cluster = new ClusterInfo("cluster1", new DestinationManager(), new Mock <IProxyHttpClientFactory>().Object);
var routeInfo = new RouteInfo("route1");
// Act
var config = builder.Build(parsedRoute, cluster, routeInfo);
// Assert
Assert.Same(cluster, config.Cluster);
Assert.Equal(12, config.Priority);
Assert.Equal(parsedRoute.GetConfigHash(), config.ConfigHash);
Assert.Single(config.Endpoints);
var routeEndpoint = config.Endpoints[0] as AspNetCore.Routing.RouteEndpoint;
Assert.Equal("route1", routeEndpoint.DisplayName);
Assert.Same(config, routeEndpoint.Metadata.GetMetadata <RouteConfig>());
Assert.Equal("/{**catchall}", routeEndpoint.RoutePattern.RawText);
var hostMetadata = routeEndpoint.Metadata.GetMetadata <AspNetCore.Routing.HostAttribute>();
Assert.NotNull(hostMetadata);
Assert.Single(hostMetadata.Hosts);
Assert.Equal("*.example.com", hostMetadata.Hosts[0]);
}
public void BuildEndpoints_HostAndPath_Works()
{
// Arrange
var builder = Create <RuntimeRouteBuilder>();
var parsedRoute = new ParsedRoute
{
RouteId = "route1",
Host = "example.com",
Path = "/a",
Priority = 12,
};
var backend = new BackendInfo("backend1", new DestinationManager(), new Mock <IProxyHttpClientFactory>().Object);
var routeInfo = new RouteInfo("route1");
// Act
var config = builder.Build(parsedRoute, backend, routeInfo);
// Assert
Assert.Same(backend, config.BackendOrNull);
Assert.Equal(12, config.Priority);
Assert.Equal(parsedRoute.GetConfigHash(), config.ConfigHash);
Assert.Single(config.Endpoints);
var routeEndpoint = config.Endpoints[0] as AspNetCore.Routing.RouteEndpoint;
Assert.Equal("route1", routeEndpoint.DisplayName);
Assert.Same(config, routeEndpoint.Metadata.GetMetadata <RouteConfig>());
Assert.Equal("/a", routeEndpoint.RoutePattern.RawText);
var hostMetadata = routeEndpoint.Metadata.GetMetadata <AspNetCore.Routing.HostAttribute>();
Assert.NotNull(hostMetadata);
Assert.Single(hostMetadata.Hosts);
Assert.Equal("example.com", hostMetadata.Hosts[0]);
}
/// <inheritdoc/>
public RouteConfig Build(ParsedRoute source, ClusterInfo cluster, RouteInfo runtimeRoute)
{
_ = source ?? throw new ArgumentNullException(nameof(source));
_ = runtimeRoute ?? throw new ArgumentNullException(nameof(runtimeRoute));
var transforms = _transformBuilder.Build(source.Transforms);
// NOTE: `new RouteConfig(...)` needs a reference to the list of ASP .NET Core endpoints,
// but the ASP .NET Core endpoints cannot be created without a `RouteConfig` metadata item.
// We solve this chicken-egg problem by creating an (empty) list first
// and passing a read-only wrapper of it to `RouteConfig.ctor`.
// Recall that `List<T>.AsReadOnly()` creates a wrapper over the original list,
// and changes to the underlying list *are* reflected on the read-only view.
var aspNetCoreEndpoints = new List <Endpoint>(1);
var newRouteConfig = new RouteConfig(
runtimeRoute,
source.GetConfigHash(),
source.Priority,
cluster,
aspNetCoreEndpoints.AsReadOnly(),
transforms);
// TODO: Handle arbitrary AST's properly
// Catch-all pattern when no path was specified
var pathPattern = string.IsNullOrEmpty(source.Path) ? "/{**catchall}" : source.Path;
// TODO: Propagate route priority
var endpointBuilder = new AspNetCore.Routing.RouteEndpointBuilder(
requestDelegate: _pipeline ?? Invoke,
routePattern: AspNetCore.Routing.Patterns.RoutePatternFactory.Parse(pathPattern),
order: 0);
endpointBuilder.DisplayName = source.RouteId;
endpointBuilder.Metadata.Add(newRouteConfig);
if (!string.IsNullOrEmpty(source.Host))
{
endpointBuilder.Metadata.Add(new AspNetCore.Routing.HostAttribute(source.Host));
}
if (source.Methods != null && source.Methods.Count > 0)
{
endpointBuilder.Metadata.Add(new AspNetCore.Routing.HttpMethodMetadata(source.Methods));
}
if (string.Equals(AuthorizationConstants.Default, source.AuthorizationPolicy, StringComparison.OrdinalIgnoreCase))
{
endpointBuilder.Metadata.Add(DefaultAuthorization);
}
else if (!string.IsNullOrEmpty(source.AuthorizationPolicy))
{
endpointBuilder.Metadata.Add(new AuthorizeAttribute(source.AuthorizationPolicy));
}
var endpoint = endpointBuilder.Build();
aspNetCoreEndpoints.Add(endpoint);
return(newRouteConfig);
}
public bool HasConfigChanged(ParsedRoute newConfig, BackendInfo backendOrNull)
{
return(BackendOrNull != backendOrNull ||
!ConfigHash.Equals(newConfig.GetConfigHash()));
}
public bool HasConfigChanged(ParsedRoute newConfig, ClusterInfo cluster)
{
return(Cluster != cluster ||
!ConfigHash.Equals(newConfig.GetConfigHash()));
}