internal override IEnumerable<ServiceEndpoint> Discover()
{
List<ServiceEndpoint> endpoints = new List<ServiceEndpoint>();
// Attempt YADIS discovery
DiscoveryResult yadisResult = Yadis.Yadis.Discover(this, IsDiscoverySecureEndToEnd);
if (yadisResult != null) {
if (yadisResult.IsXrds) {
XrdsDocument xrds = new XrdsDocument(yadisResult.ResponseText);
var xrdsEndpoints = xrds.CreateServiceEndpoints(yadisResult.NormalizedUri);
// Filter out insecure endpoints if high security is required.
if (IsDiscoverySecureEndToEnd) {
xrdsEndpoints = Util.Where(xrdsEndpoints, se => se.IsSecure);
}
endpoints.AddRange(xrdsEndpoints);
}
// Failing YADIS discovery of an XRDS document, we try HTML discovery.
if (endpoints.Count == 0) {
ServiceEndpoint ep = DiscoverFromHtml(yadisResult.NormalizedUri, yadisResult.ResponseText);
if (ep != null && (!IsDiscoverySecureEndToEnd || ep.IsSecure)) {
endpoints.Add(ep);
}
}
}
return endpoints;
}
internal override IEnumerable<ServiceEndpoint> Discover() {
List<ServiceEndpoint> endpoints = new List<ServiceEndpoint>();
// Attempt YADIS discovery
DiscoveryResult yadisResult = Yadis.Yadis.Discover(this, IsDiscoverySecureEndToEnd);
if (yadisResult != null) {
if (yadisResult.IsXrds) {
XrdsDocument xrds = new XrdsDocument(yadisResult.ResponseText);
var xrdsEndpoints = xrds.CreateServiceEndpoints(yadisResult.NormalizedUri);
// Filter out insecure endpoints if high security is required.
if (IsDiscoverySecureEndToEnd) {
xrdsEndpoints = Util.Where(xrdsEndpoints, se => se.IsSecure);
}
endpoints.AddRange(xrdsEndpoints);
}
// Failing YADIS discovery of an XRDS document, we try HTML discovery.
if (endpoints.Count == 0) {
ServiceEndpoint ep = DiscoverFromHtml(yadisResult.NormalizedUri, yadisResult.ResponseText);
if (ep != null) {
Logger.Debug("HTML discovery found a service endpoint.");
Logger.Debug(ep);
if (!IsDiscoverySecureEndToEnd || ep.IsSecure) {
endpoints.Add(ep);
} else {
Logger.Info("Skipping HTML discovered endpoint because it is not secure.");
}
} else {
Logger.Debug("HTML discovery failed to find any endpoints.");
}
} else {
Logger.Debug("Skipping HTML discovery because XRDS contained service endpoints.");
}
}
return endpoints;
}
