protected override void DoProtocolSpecificBeginProcess()
{
if (!base.ClientRequest.IsAuthenticated)
{
try
{
if (this.IsSimpleSoapRequest())
{
base.ParseClientRequest <bool>(new Func <Stream, bool>(this.ParseRequest), 81820);
}
}
catch (FormatException innerException)
{
throw new HttpException(400, "FormatException parsing Autodiscover request", innerException);
}
catch (XmlException innerException2)
{
throw new HttpException(400, "XmlException parsing Autodiscover request", innerException2);
}
if (!base.IsWsSecurityRequest && !base.IsDomainBasedRequest && !ProtocolHelper.IsAutodiscoverV2Request(base.ClientRequest.Url.AbsolutePath))
{
throw new HttpProxyException(HttpStatusCode.Unauthorized, HttpProxySubErrorCode.UnauthenticatedRequest, "Unauthenticated AutoDiscover request.");
}
}
}
protected override UriBuilder GetClientUrlForProxy()
{
string text = base.ClientRequest.Url.ToString();
string uri = text;
if (this.isExplicitLogonRequest && !ProtocolHelper.IsAutodiscoverV2Request(base.ClientRequest.Url.AbsoluteUri))
{
string text2 = "/" + this.explicitLogonAddress;
int num = text.IndexOf(text2);
if (num != -1)
{
uri = text.Substring(0, num) + text.Substring(num + text2.Length);
}
}
return(new UriBuilder(uri));
}
protected override AnchorMailbox ResolveAnchorMailbox()
{
if (this.skipTargetBackEndCalculation)
{
base.Logger.Set(HttpProxyMetadata.RoutingHint, "OrgRelationship-Anonymous");
return(new AnonymousAnchorMailbox(this));
}
string text;
if (ProtocolHelper.IsAutodiscoverV2PreviewRequest(base.ClientRequest.Url.AbsolutePath))
{
text = base.ClientRequest.Params["Email"];
}
else if (ProtocolHelper.IsAutodiscoverV2Version1Request(base.ClientRequest.Url.AbsolutePath))
{
int num = base.ClientRequest.Url.AbsolutePath.LastIndexOf('/');
text = base.ClientRequest.Url.AbsolutePath.Substring(num + 1);
}
else
{
text = this.TryGetExplicitLogonNode(ExplicitLogonNode.Second);
}
string text2;
if (ProtocolHelper.TryGetValidNormalizedExplicitLogonAddress(text, out text2))
{
this.isExplicitLogonRequest = true;
this.explicitLogonAddress = text;
base.Logger.Set(HttpProxyMetadata.RoutingHint, "ExplicitLogon-SMTP");
SmtpAnchorMailbox smtpAnchorMailbox = new SmtpAnchorMailbox(text2, this);
if (this.preferAnchorMailboxHeader)
{
string text3 = base.ClientRequest.Headers[Constants.AnchorMailboxHeaderName];
if (!string.IsNullOrEmpty(text3) && !StringComparer.OrdinalIgnoreCase.Equals(text3, text2) && SmtpAddress.IsValidSmtpAddress(text3))
{
base.Logger.Set(HttpProxyMetadata.RoutingHint, "AnchorMailboxHeader-SMTP");
smtpAnchorMailbox = new SmtpAnchorMailbox(text3, this);
}
}
if (ProtocolHelper.IsAutodiscoverV2Request(base.ClientRequest.Url.AbsolutePath))
{
smtpAnchorMailbox.FailOnDomainNotFound = false;
}
return(smtpAnchorMailbox);
}
return(base.ResolveAnchorMailbox());
}
private IHttpHandler SelectHandlerForUnauthenticatedRequest(HttpContext httpContext)
{
IHttpHandler result;
try
{
IHttpHandler httpHandler = null;
if (HttpProxyGlobals.ProtocolType == ProtocolType.Autodiscover)
{
if (httpContext.Request.HttpMethod.Equals("GET", StringComparison.OrdinalIgnoreCase))
{
if (ProtocolHelper.IsOAuthMetadataRequest(httpContext.Request.Url.AbsolutePath))
{
httpHandler = new AuthMetadataHttpHandler(httpContext);
}
else if (ProtocolHelper.IsAutodiscoverV2Request(httpContext.Request.Url.AbsolutePath))
{
httpHandler = new AutodiscoverProxyRequestHandler();
}
}
else
{
httpHandler = new AutodiscoverProxyRequestHandler();
}
}
else if (HttpProxyGlobals.ProtocolType == ProtocolType.Ews)
{
string httpMethod = httpContext.Request.HttpMethod;
if (!httpMethod.Equals("GET", StringComparison.OrdinalIgnoreCase) && !httpMethod.Equals("HEAD", StringComparison.OrdinalIgnoreCase))
{
httpHandler = new EwsProxyRequestHandler();
}
}
else if (HttpProxyGlobals.ProtocolType == ProtocolType.Ecp)
{
if (EDiscoveryExportToolProxyRequestHandler.IsEDiscoveryExportToolProxyRequest(httpContext.Request))
{
httpHandler = new EDiscoveryExportToolProxyRequestHandler();
}
else if (BEResourceRequestHandler.CanHandle(httpContext.Request))
{
httpHandler = new BEResourceRequestHandler();
}
else if (EcpProxyRequestHandler.IsCrossForestDelegatedRequest(httpContext.Request))
{
httpHandler = new EcpProxyRequestHandler
{
IsCrossForestDelegated = true
};
}
else if (!httpContext.Request.Path.StartsWith("/ecp/auth/", StringComparison.OrdinalIgnoreCase) && !httpContext.Request.Path.Equals("/ecp/ping.ecp", StringComparison.OrdinalIgnoreCase))
{
httpHandler = new Return401RequestHandler();
}
}
else if (HttpProxyGlobals.ProtocolType == ProtocolType.RpcHttp)
{
httpHandler = new RpcHttpRequestHandler();
}
else if (HttpProxyGlobals.ProtocolType == ProtocolType.Xrop)
{
httpHandler = new XRopProxyRequestHandler();
}
else if (HttpProxyGlobals.ProtocolType == ProtocolType.E4e)
{
httpHandler = new E4eProxyRequestHandler();
}
else if (AnonymousCalendarProxyRequestHandler.IsAnonymousCalendarRequest(httpContext.Request))
{
httpHandler = new AnonymousCalendarProxyRequestHandler();
}
else if (HttpProxyGlobals.ProtocolType == ProtocolType.Owa && WopiRequestPathHandler.IsWopiRequest(httpContext.Request, AuthCommon.IsFrontEnd))
{
httpHandler = new WopiProxyRequestHandler();
}
else if (OwaExtensibilityProxyRequestHandler.IsOwaExtensibilityRequest(httpContext.Request))
{
httpHandler = new OwaExtensibilityProxyRequestHandler();
}
else if (OwaCobrandingRedirProxyRequestHandler.IsCobrandingRedirRequest(httpContext.Request))
{
httpHandler = new OwaCobrandingRedirProxyRequestHandler();
}
else if (HttpProxyGlobals.ProtocolType == ProtocolType.Owa && OwaResourceProxyRequestHandler.CanHandle(httpContext.Request))
{
httpHandler = new OwaResourceProxyRequestHandler();
}
else if (HttpProxyGlobals.ProtocolType == ProtocolType.PowerShellGateway)
{
httpHandler = new PsgwProxyRequestHandler();
}
result = httpHandler;
}
finally
{
long currentLatency = LatencyTracker.FromHttpContext(httpContext).GetCurrentLatency(LatencyTrackerKey.ProxyModuleLatency);
if (currentLatency > 100L)
{
RequestDetailsLoggerBase <RequestDetailsLogger> .SafeAppendGenericInfo(RequestDetailsLoggerBase <RequestDetailsLogger> .GetCurrent(httpContext), "SelectHandler", currentLatency);
}
}
return(result);
}
private void OnPostAuthenticateInternal(HttpApplication httpApplication)
{
HttpContext context = httpApplication.Context;
if (!context.Request.IsAuthenticated)
{
bool flag = false;
bool flag2 = false;
string value = string.Empty;
string httpMethod = context.Request.HttpMethod;
string absolutePath = context.Request.Url.AbsolutePath;
if (httpMethod.Equals("GET", StringComparison.OrdinalIgnoreCase) || httpMethod.Equals("HEAD", StringComparison.OrdinalIgnoreCase))
{
if (HttpProxyGlobals.ProtocolType != ProtocolType.Autodiscover || (!ProtocolHelper.IsOAuthMetadataRequest(absolutePath) && !ProtocolHelper.IsAutodiscoverV2Request(absolutePath)))
{
flag2 = true;
flag = true;
value = "AutodiscoverEwsDiscovery";
}
}
else if (!ProtocolHelper.IsAnyWsSecurityRequest(context.Request.Url.AbsolutePath) && HttpProxyGlobals.ProtocolType != ProtocolType.Autodiscover)
{
flag2 = true;
value = "AnonymousRequestDisallowed";
}
if (!string.IsNullOrEmpty(value))
{
context.Items[AnonymousRequestFilterModule.AnonymousRequestFilterModuleLoggingKey] = value;
}
if (flag)
{
AutodiscoverEwsDiscoveryResponseHelper.AddEndpointEnabledHeaders(context.Response);
}
if (flag2)
{
context.Response.StatusCode = 401;
context.Response.StatusDescription = "Anonymous Request Disallowed";
httpApplication.CompleteRequest();
}
}
}
protected override void OnInitializingHandler()
{
base.OnInitializingHandler();
if (!base.ClientRequest.IsAuthenticated)
{
base.IsWsSecurityRequest = base.ClientRequest.IsAnyWsSecurityRequest();
if (base.IsWsSecurityRequest && !AutodiscoverEwsWebConfiguration.WsSecurityEndpointEnabled)
{
throw new HttpException(404, "WS-Security endpoint is not supported");
}
}
if (base.ClientRequest.Url.ToString().EndsWith("autodiscover.xml", StringComparison.OrdinalIgnoreCase) || ProtocolHelper.IsAutodiscoverV2Request(base.ClientRequest.Url.AbsolutePath))
{
base.PreferAnchorMailboxHeader = true;
}
}