/// <summary>
/// Maps the site.
/// </summary>
/// <param name="siteMapConfigs">The site map configs.</param>
/// <param name="branch">The branch that is invoked when a request matches a site map config.</param>
/// <returns>A middleware func.</returns>
/// <exception cref="System.ArgumentNullException">siteMapConfigs</exception>
/// <exception cref="System.ArgumentNullException">branch</exception>
public static MidFunc MapSite(IEnumerable <MapSiteConfig> siteMapConfigs, AppFunc branch)
{
siteMapConfigs.MustNotBeNull("siteMapConfigs");
branch.MustNotBeNull("branch");
var siteMapsHashSet = new HashSet <MapSiteConfig>(siteMapConfigs);
return
(next =>
env =>
{
var headers = env.Get <IDictionary <string, string[]> >(OwinRequestHeadersKey);
var host = headers[HostHeaderKey][0];
var scheme = env.Get <string>(OwinRequestSchemeKey);
//If the headers have a X-Forwarded-Proto header then the request has been mapped through
//a load balancer or reverse proxy and the initial scheme is contained in the header value.
string[] headerValues;
if (headers.TryGetValue(XForwardedProtoHeaderKey, out headerValues))
{
string headerValue = headerValues[0];
if (string.Equals(headerValue, "https", StringComparison.InvariantCultureIgnoreCase))
{
scheme = "HttpsXForwardedProto";
}
}
var requestScheme = (RequestScheme)Enum.Parse(typeof(RequestScheme), scheme, true);
var siteMap = new MapSiteConfig(host, requestScheme);
return siteMapsHashSet.Contains(siteMap)
? branch(env)
: next(env);
});
}
/// <summary>
///
/// </summary>
/// <param name="builder"></param>
/// <param name="mapSiteConfig"></param>
/// <param name="branch"></param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException">builder</exception>
/// <exception cref="System.ArgumentNullException">MapSiteConfig</exception>
/// <exception cref="System.ArgumentNullException">branch</exception>
public static BuildFunc MapSite(this BuildFunc builder, MapSiteConfig mapSiteConfig, AppFunc branch)
{
builder.MustNotBeNull("builder");
mapSiteConfig.MustNotBeNull("MapSiteConfig");
branch.MustNotBeNull("branch");
return(MapSite(builder, new[] { mapSiteConfig }, branch));
}
public MapSiteConfigTests()
{
_config1 = new MapSiteConfig("host1");
_sameAsConfig1 = new MapSiteConfig("host1");
_differentToConfig1 = new MapSiteConfig("host2");
}
