public static Uri Query(string domain)
{
IAsyncResult asyncResult = AutoDiscoverDnsReader.BeginQuery(domain);
if (!asyncResult.AsyncWaitHandle.WaitOne(Configuration.AutodiscoverSrvRecordLookupTimeoutInSeconds.Value, false))
{
AutoDiscoverDnsReader.DnsReaderTracer.TraceError <string>(0L, "DNS query for SRV records for domain {0} did not complete in time.", domain);
return(null);
}
string text = AutoDiscoverDnsReader.FetchResults(asyncResult);
if (string.IsNullOrEmpty(text))
{
AutoDiscoverDnsReader.DnsReaderTracer.TraceError <string>(0L, "DNS query for SRV record for domain {0} found an null SRV target", domain);
return(null);
}
AutoDiscoverDnsReader.DnsReaderTracer.TraceDebug <string, string>(0L, "DNS query for SRV record for domain {0} found target '{1}'", domain, text);
string text2 = string.Format("https://{0}/autodiscover/autodiscover.xml", text);
if (string.IsNullOrEmpty(text2) || !Uri.IsWellFormedUriString(text2, UriKind.Absolute))
{
AutoDiscoverDnsReader.DnsReaderTracer.TraceError <string, string>(0L, "DNS query for SRV record for domain {0} found an non-valid autodiscover URL {1}", domain, text2);
return(null);
}
AutoDiscoverDnsReader.DnsReaderTracer.TraceDebug <string, string>(0L, "DNS query for SRV record for domain {0] found {1}", domain, text2);
return(new Uri(text2));
}
private static TargetForestConfiguration ConstructTargetForestConfiguration(AvailabilityAddressSpace addressSpace, ScpSearch localScpSearch)
{
TargetForestConfigurationCache.ConfigurationTracer.TraceDebug <string>(0L, "Processing AvailabilityAddressSpace name: {0}", addressSpace.ForestName);
NetworkCredential networkCredential = null;
AutodiscoverUrlSource autodiscoverUrlSource = AutodiscoverUrlSource.Unknown;
Uri uri = null;
if (addressSpace.AccessMethod != AvailabilityAccessMethod.OrgWideFB && addressSpace.AccessMethod != AvailabilityAccessMethod.PerUserFB)
{
if (addressSpace.AccessMethod != AvailabilityAccessMethod.OrgWideFBBasic)
{
goto IL_1B2;
}
}
try
{
networkCredential = TargetForestConfigurationCache.GetCredentials(addressSpace);
}
catch (InvalidCrossForestCredentialsException exception)
{
return(new TargetForestConfiguration(addressSpace.Id.ToString(), addressSpace.ForestName, exception));
}
if (addressSpace.TargetAutodiscoverEpr != null)
{
uri = addressSpace.TargetAutodiscoverEpr;
TargetForestConfigurationCache.ConfigurationTracer.TraceDebug <Uri>(0L, "Retrieved Autodiscover URL {0} from address space.", uri);
goto IL_1B2;
}
TargetForestConfigurationCache.ConfigurationTracer.TraceDebug <string>(0L, "Searching for SCP objects for domain {0}", addressSpace.ForestName);
uri = localScpSearch.FindRemote(addressSpace.ForestName, networkCredential);
if (uri != null)
{
TargetForestConfigurationCache.ConfigurationTracer.TraceDebug <string, Uri>(0L, "Found autodiscover URL from SCP objects for domain {0}. Url is: {1}", addressSpace.ForestName, uri);
autodiscoverUrlSource = AutodiscoverUrlSource.SCP;
goto IL_1B2;
}
TargetForestConfigurationCache.ConfigurationTracer.TraceDebug <string>(0L, "Found no suitable autodiscover URL from SCP objects for domain {0}. Trying well-known endpoints.", addressSpace.ForestName);
uri = TargetForestConfigurationCache.DiscoverFromWellKnown(addressSpace.ForestName, networkCredential);
if (uri != null)
{
TargetForestConfigurationCache.ConfigurationTracer.TraceDebug <string, Uri>(0L, "Found autodiscover URL from well-known endpoints for domain {0}. Url is: {1}", addressSpace.ForestName, uri);
autodiscoverUrlSource = AutodiscoverUrlSource.WellKnown;
goto IL_1B2;
}
TargetForestConfigurationCache.ConfigurationTracer.TraceDebug <string>(0L, "Found no suitable autodiscover URL from well-known endpoints for domain {0}. Trying SRV records from DNS.", addressSpace.ForestName);
uri = AutoDiscoverDnsReader.Query(addressSpace.ForestName);
if (uri != null)
{
TargetForestConfigurationCache.ConfigurationTracer.TraceDebug <string, Uri>(0L, "Found autodiscover URL from SRV records from DNS for domain {0}. Url is: {1}", addressSpace.ForestName, uri);
autodiscoverUrlSource = AutodiscoverUrlSource.SRV;
goto IL_1B2;
}
TargetForestConfigurationCache.ConfigurationTracer.TraceDebug <string>(0L, "Found no suitable autodiscover URL from well-known endpoint lookup for domain {0}.", addressSpace.ForestName);
return(new TargetForestConfiguration(addressSpace.Id.ToString(), addressSpace.ForestName, new AutoDiscoverFailedException(Strings.descAvailabilityAddressSpaceFailed(addressSpace.Id.ToString()))));
IL_1B2:
return(new TargetForestConfiguration(addressSpace.Id.ToString(), addressSpace.ForestName, addressSpace.AccessMethod, networkCredential, uri, autodiscoverUrlSource));
}
private static void Initialize(RequestLogger requestLogger)
{
requestLogger.CaptureRequestStage("CRInit");
ConfigurationReader.ConfigurationTracer.TraceDebug(0L, "ConfigurationReader is now initializing NetworkServiceImpersonator.");
NetworkServiceImpersonator.Initialize();
requestLogger.CaptureRequestStage("CRNSInit");
ConfigurationReader.ConfigurationTracer.TraceDebug(0L, "ConfigurationReader is done initializing NetworkServiceImpersonator.");
ConfigurationReader.ConfigurationTracer.TraceDebug(0L, "ConfigurationReader is now initializing Dns for AS discovery.");
AutoDiscoverDnsReader.Initialize();
requestLogger.CaptureRequestStage("CRAD");
ConfigurationReader.ConfigurationTracer.TraceDebug(0L, "ConfigurationReader is done initializing Dns for AS discovery.");
DateTime populateDeadline = DateTime.UtcNow + ConfigurationReader.initializeTimeInterval;
ConfigurationReader.ConfigurationTracer.TraceDebug(0L, "ConfigurationReader is now refreshing TargetForestConfigurationCache.");
TargetForestConfigurationCache.Populate(populateDeadline);
ConfigurationReader.ConfigurationTracer.TraceDebug(0L, "ConfigurationReader is done refreshing TargetForestConfigurationCache.");
requestLogger.CaptureRequestStage("CRTC");
ConfigurationReader.ASFaultInjectionTracer.RegisterExceptionInjectionCallback(new ExceptionInjectionCallback(FaultInjection.Callback));
ConfigurationReader.RequestDispatchFaultInjectionTracer.RegisterExceptionInjectionCallback(new ExceptionInjectionCallback(FaultInjection.Callback));
}