private static CobaltStore CreateCobaltStore(IExchangePrincipal exchangePrincipal, Attachment attachment, WacRequest wacRequest, CachedAttachmentInfo attachmentInfo)
{
if (exchangePrincipal == null)
{
throw new ArgumentException("exchangePrincipal");
}
if (exchangePrincipal.MailboxInfo.IsRemote)
{
throw new OwaInvalidRequestException("Remote mailboxes are not supported.");
}
Guid objectGuid = exchangePrincipal.MailboxInfo.MailboxDatabase.ObjectGuid;
bool diagnosticsEnabled = WacConfiguration.Instance.DiagnosticsEnabled;
MdbCache instance = MdbCache.GetInstance();
string path = instance.GetPath(objectGuid);
string correlationId = HttpContext.Current.Request.Headers["X-WOPI-CorrelationID"];
CobaltStore store = new CobaltStore(path, objectGuid.ToString(), correlationId, diagnosticsEnabled, WacConfiguration.Instance.BlobStoreMemoryBudget);
using (Stream contentStream = ((StreamAttachment)attachment).GetContentStream(PropertyOpenMode.ReadOnly))
{
store.Save(contentStream);
}
store.Saver.Initialize((string)wacRequest.MailboxSmtpAddress, wacRequest.ExchangeSessionId, WacConfiguration.Instance.AutoSaveInterval, delegate
{
using (Stream documentStream = store.GetDocumentStream())
{
WacRequestHandler.ReplaceAttachmentContent(documentStream, wacRequest);
}
return(true);
}, delegate(Exception exception)
{
store.SaveFailed(exception);
});
return(store);
}
private static CobaltStore GetCobaltStore(WacRequest wacRequest)
{
CachedAttachmentInfo attachmentInfo = WacRequestHandler.GetCachedAttachmentInfo(wacRequest);
CobaltStore cobaltStore = attachmentInfo.CobaltStore;
if (cobaltStore == null)
{
lock (attachmentInfo)
{
cobaltStore = attachmentInfo.CobaltStore;
if (cobaltStore == null)
{
WacRequestHandler.ProcessAttachment(wacRequest, PropertyOpenMode.ReadOnly, delegate(IExchangePrincipal exchangePrincipal, Attachment attachment, Stream stream, bool contentProtected)
{
if (!WacRequestHandler.MessageIsDraft(wacRequest))
{
throw new NotSupportedException("Cell storage requests are only supported for draft items.");
}
cobaltStore = WacRequestHandler.CreateCobaltStore(exchangePrincipal, attachment, wacRequest, attachmentInfo);
});
attachmentInfo.CobaltStore = cobaltStore;
}
}
}
return(cobaltStore);
}
private static void ProcessCobaltRequest(HttpContext context, WacRequest wacRequest, Action <Enum, string> logDetail)
{
Stream inputStream = context.Request.InputStream;
Stream outputStream = context.Response.OutputStream;
CobaltStore cobaltStore = WacRequestHandler.GetCobaltStore(wacRequest);
cobaltStore.ProcessRequest(inputStream, outputStream, logDetail);
}
private static void ProcessGetFileRequest(HttpContext context, WacRequest wacRequest, RequestDetailsLogger logger)
{
WacRequestHandler.UpdateAttachment(wacRequest, logger);
WacRequestHandler.ProcessAttachment(wacRequest, PropertyOpenMode.ReadOnly, delegate(IExchangePrincipal exchangePrincipal, Attachment attachment, Stream stream, bool contentProtected)
{
WacUtilities.WriteStreamBody(context.Response, stream);
});
}
private static void OnCacheEntryExpired(string key, CacheItemUpdateReason reason, out object expensiveObject, out CacheDependency dependency, out DateTime absoluteExpiration, out TimeSpan slidingExpiration)
{
expensiveObject = null;
dependency = null;
absoluteExpiration = Cache.NoAbsoluteExpiration;
slidingExpiration = Cache.NoSlidingExpiration;
CachedAttachmentInfo cachedAttachmentInfo = (CachedAttachmentInfo)HttpRuntime.Cache.Get(key);
if (cachedAttachmentInfo.CobaltStore == null)
{
return;
}
WacRequestHandler.OnCacheEntryExpired(cachedAttachmentInfo);
}
private static void ProcessCheckFileRequest(HttpContext context, WacRequest wacRequest, RequestDetailsLogger logger)
{
WacRequestHandler.UpdateAttachment(wacRequest, logger);
CachedAttachmentInfo cachedAttachmentInfo = WacRequestHandler.GetCachedAttachmentInfo(wacRequest);
string attachmentStreamHash = null;
long attachmentStreamLength = 0L;
string attachmentFileName = null;
string attachmentExtension = null;
bool attachmentIsProtected = false;
WacRequestHandler.ProcessAttachment(wacRequest, PropertyOpenMode.ReadOnly, delegate(IExchangePrincipal exchangePrincipal, Attachment attachment, Stream stream, bool isProtected)
{
attachmentStreamHash = WacUtilities.GenerateSHA256HashForStream(stream);
attachmentStreamLength = stream.Length;
attachmentFileName = attachment.FileName;
attachmentExtension = attachment.FileExtension;
attachmentIsProtected = isProtected;
});
WacFileRep wacFileRep = wacRequest.WacFileRep;
string downloadUrl = WacRequestHandler.GetDownloadUrl(context.Request, wacFileRep, wacRequest);
WacCheckFileResponse wacCheckFileResponse = new WacCheckFileResponse(attachmentFileName, attachmentStreamLength, attachmentStreamHash, downloadUrl, cachedAttachmentInfo.MailboxSmtpAddress, cachedAttachmentInfo.LogonSmtpAddress, cachedAttachmentInfo.LogonDisplayName, cachedAttachmentInfo.LogonPuid, attachmentIsProtected, wacFileRep.DirectFileAccessEnabled, wacFileRep.WacExternalServicesEnabled, wacFileRep.OMEXEnabled);
if (wacFileRep.IsEdit)
{
wacCheckFileResponse.UserCanWrite = true;
wacCheckFileResponse.ReadOnly = false;
wacCheckFileResponse.SupportsUpdate = true;
wacCheckFileResponse.SupportsLocks = true;
wacCheckFileResponse.SupportsCobalt = true;
wacCheckFileResponse.SupportsFolders = true;
}
DataContractJsonSerializer dataContractJsonSerializer = new DataContractJsonSerializer(typeof(WacCheckFileResponse));
using (MemoryStream memoryStream = new MemoryStream())
{
dataContractJsonSerializer.WriteObject(memoryStream, wacCheckFileResponse);
memoryStream.Position = 0L;
context.Response.OutputStream.Write(memoryStream.GetBuffer(), 0, (int)memoryStream.Length);
}
}
private static void ProcessAttachment(WacRequest wacRequest, PropertyOpenMode openMode, WacUtilities.AttachmentProcessor attachmentProcessor)
{
ADSessionSettings adSessionSettings;
ExchangePrincipal exchangePrincipal = WacUtilities.GetExchangePrincipal(wacRequest, out adSessionSettings, wacRequest.WacFileRep.IsArchive);
WacRequestHandler.ProcessUsingBudget(wacRequest.WacFileRep.LogonSid, delegate
{
string ewsAttachmentId = wacRequest.EwsAttachmentId;
CultureInfo cultureInfo = CultureInfo.GetCultureInfo(wacRequest.CultureName);
string clientInfoString = "Client=OWA;Action=WAC";
if (exchangePrincipal.RecipientTypeDetails.HasFlag(RecipientTypeDetails.PublicFolder) || exchangePrincipal.RecipientTypeDetails.HasFlag(RecipientTypeDetails.PublicFolderMailbox))
{
using (PublicFolderSession publicFolderSession = PublicFolderSession.OpenAsAdmin(null, exchangePrincipal, null, cultureInfo, clientInfoString, null))
{
WacUtilities.ProcessAttachment(publicFolderSession, ewsAttachmentId, exchangePrincipal, openMode, attachmentProcessor);
return;
}
}
using (MailboxSession mailboxSession = MailboxSession.OpenAsSystemService(exchangePrincipal, cultureInfo, clientInfoString))
{
WacUtilities.ProcessAttachment(mailboxSession, ewsAttachmentId, exchangePrincipal, openMode, attachmentProcessor);
}
}, adSessionSettings);
}
void IHttpHandler.ProcessRequest(HttpContext context)
{
RequestDetailsLogger logger = OwaApplication.GetRequestDetailsLogger;
string text = context.Request.QueryString["UserEmail"];
logger.ActivityScope.SetProperty(OwaServerLogger.LoggerData.PrimarySmtpAddress, text);
WacUtilities.SetEventId(logger, "WAC.BadRequest");
context.Response.TrySkipIisCustomErrors = true;
try
{
if (WacActiveMonitoringHandler.IsWacActiveMonitoringRequest(context.Request, context.Response))
{
WacUtilities.SetEventId(logger, "WAC.ActiveMonitoring");
}
else
{
WacRequest wacRequest = WacRequest.ParseWacRequest(text, context.Request);
WacRequestHandler.SetCommonResponseHeaders(wacRequest, context.Response);
string text2 = wacRequest.GetElapsedTime().TotalHours.ToString("0.00");
logger.ActivityScope.SetProperty(WacRequestHandlerMetadata.SessionElapsedTime, text2);
if (wacRequest.IsExpired())
{
throw new OwaInvalidRequestException(string.Concat(new object[]
{
"Can't process ",
wacRequest.RequestType,
" request because the Url has expired. Hours since start: ",
text2
}));
}
logger.Set(WacRequestHandlerMetadata.ExchangeSessionId, wacRequest.ExchangeSessionId);
switch (wacRequest.RequestType)
{
case WacRequestType.CheckFile:
WacUtilities.SetEventId(logger, "WAC.CheckFile");
WacRequestHandler.ProcessCheckFileRequest(context, wacRequest, logger);
goto IL_28B;
case WacRequestType.GetFile:
WacUtilities.SetEventId(logger, "WAC.GetFile");
WacRequestHandler.ProcessGetFileRequest(context, wacRequest, logger);
goto IL_28B;
case WacRequestType.Lock:
WacUtilities.SetEventId(logger, "WAC.Lock");
WacRequestHandler.IncrementLockCount(wacRequest);
goto IL_28B;
case WacRequestType.UnLock:
WacUtilities.SetEventId(logger, "WAC.Unlock");
WacRequestHandler.DecrementLockCount(wacRequest);
goto IL_28B;
case WacRequestType.RefreshLock:
WacUtilities.SetEventId(logger, "WAC.RefreshLock");
goto IL_28B;
case WacRequestType.PutFile:
WacUtilities.SetEventId(logger, "WAC.PutFile");
WacRequestHandler.ReplaceAttachmentContent(context.Request.InputStream, wacRequest);
goto IL_28B;
case WacRequestType.Cobalt:
WacUtilities.SetEventId(logger, "WAC.Cobalt");
WacRequestHandler.ProcessCobaltRequest(context, wacRequest, delegate(Enum key, string value)
{
logger.ActivityScope.SetProperty(key, value);
});
goto IL_28B;
case WacRequestType.DeleteFile:
WacUtilities.SetEventId(logger, "WAC.DeleteFile");
throw new OwaInvalidRequestException("Exchange does not support WAC's DeleteFile operation.");
}
WacUtilities.SetEventId(logger, "WAC.Unknown");
throw new OwaInvalidRequestException("Invalid request type");
IL_28B :;
}
}
catch (Exception ex)
{
logger.ActivityScope.SetProperty(ServiceCommonMetadata.GenericErrors, ex.ToString());
logger.ActivityScope.SetProperty(WacRequestHandlerMetadata.RequestUrl, context.Request.Url.ToString());
logger.ActivityScope.SetProperty(WacRequestHandlerMetadata.UserAgent, context.Request.UserAgent);
context.Response.Headers["X-WOPI-ServerError"] = ex.ToString();
if (ex is OwaInvalidRequestException || ex is OwaOperationNotSupportedException || ex is OverBudgetException)
{
context.Response.StatusCode = 404;
}
else
{
context.Response.StatusCode = 500;
}
}
finally
{
logger.ActivityScope.SetProperty(WacRequestHandlerMetadata.WopiServerName, context.Request.Headers["X-WOPI-ServerVersion"]);
logger.ActivityScope.SetProperty(WacRequestHandlerMetadata.WopiClientVersion, context.Request.Headers["X-WOPI-InterfaceVersion"]);
logger.ActivityScope.SetProperty(WacRequestHandlerMetadata.WopiCorrelationId, context.Request.Headers["X-WOPI-CorrelationID"]);
}
}
private static void DecrementLockCount(WacRequest wacRequest)
{
CachedAttachmentInfo cachedAttachmentInfo = WacRequestHandler.GetCachedAttachmentInfo(wacRequest);
cachedAttachmentInfo.DecrementLockCount();
}
