internal static SharingMessage GetSharingMessage(MessageItem item)
{
StreamAttachment sharingMessageAttachment = SharingMessageAttachment.GetSharingMessageAttachment(item);
if (sharingMessageAttachment != null)
{
using (sharingMessageAttachment)
{
using (Stream stream = sharingMessageAttachment.TryGetContentStream(PropertyOpenMode.ReadOnly))
{
SharingMessage sharingMessage = null;
try
{
sharingMessage = SharingMessage.DeserializeFromStream(stream);
}
catch (InvalidOperationException)
{
}
if (sharingMessage != null)
{
ValidationResults validationResults = sharingMessage.Validate();
if (validationResults.Result == ValidationResult.Success)
{
return(sharingMessage);
}
}
}
}
}
return(null);
}
private static StreamAttachment GetOrCreateSharingMessageAttachment(MessageItem item)
{
StreamAttachment streamAttachment = SharingMessageAttachment.GetSharingMessageAttachment(item);
if (streamAttachment == null)
{
streamAttachment = (StreamAttachment)item.AttachmentCollection.Create(AttachmentType.Stream);
}
return(streamAttachment);
}
internal static void SetSharingMessage(MessageItem item, SharingMessage sharingMessage)
{
using (StreamAttachment orCreateSharingMessageAttachment = SharingMessageAttachment.GetOrCreateSharingMessageAttachment(item))
{
orCreateSharingMessageAttachment.PropertyBag[AttachmentSchema.AttachMimeTag] = "application/x-sharing-metadata-xml";
orCreateSharingMessageAttachment.PropertyBag[AttachmentSchema.AttachLongFileName] = "sharing_metadata.xml";
using (Stream contentStream = orCreateSharingMessageAttachment.GetContentStream(PropertyOpenMode.Create))
{
sharingMessage.SerializeToStream(contentStream);
contentStream.Flush();
}
orCreateSharingMessageAttachment.Save();
}
}
internal bool ReadFromMetadataXml(MessageItem messageItem)
{
SharingMessage sharingMessage = SharingMessageAttachment.GetSharingMessage(messageItem);
if (sharingMessage == null)
{
ExTraceGlobals.SharingTracer.TraceDebug <string>((long)this.GetHashCode(), "{0}: The sharing_metadata.xml is invalid", messageItem.Session.UserLegacyDN);
return(false);
}
if (sharingMessage.Validate().Result != ValidationResult.Success)
{
ExTraceGlobals.SharingTracer.TraceError <string>((long)this.GetHashCode(), "{0}: The sharing_metadata.xml is invalid", messageItem.Session.UserLegacyDN);
throw new InvalidSharingMessageException("SharingMetadata");
}
SharingDataType sharingDataType = SharingDataType.FromExternalName(sharingMessage.DataType);
if (sharingDataType == null)
{
ExTraceGlobals.SharingTracer.TraceError <string, string>((long)this.GetHashCode(), "{0}: Unknown sharing data type: {1}", messageItem.Session.UserLegacyDN, sharingMessage.DataType);
throw new InvalidSharingMessageException("DataType");
}
this.context.FolderClass = sharingDataType.ContainerClass;
if (!SmtpAddress.IsValidSmtpAddress(sharingMessage.Initiator.SmtpAddress))
{
ExTraceGlobals.SharingTracer.TraceError <string, string>((long)this.GetHashCode(), "{0}: Initiator's smtp address is invalid: {1}", messageItem.Session.UserLegacyDN, sharingMessage.Initiator.SmtpAddress);
throw new InvalidSharingMessageException("InitiatorSmtpAddress");
}
this.context.InitiatorName = sharingMessage.Initiator.Name;
this.context.InitiatorSmtpAddress = sharingMessage.Initiator.SmtpAddress;
this.context.InitiatorEntryId = HexConverter.HexStringToByteArray(sharingMessage.Initiator.EntryId);
this.context.AvailableSharingProviders.Clear();
if (sharingMessage.Invitation != null)
{
this.ReadActionFromMetadataXml(sharingMessage.Invitation);
}
else if (sharingMessage.AcceptOfRequest != null)
{
this.ReadActionFromMetadataXml(sharingMessage.AcceptOfRequest);
}
else if (sharingMessage.Request != null)
{
this.ReadActionFromMetadataXml(sharingMessage.Request);
}
else if (sharingMessage.DenyOfRequest != null)
{
this.ReadActionFromMetadataXml(sharingMessage.DenyOfRequest);
}
if (this.context.AvailableSharingProviders.Count == 0)
{
ExTraceGlobals.SharingTracer.TraceError <string>((long)this.GetHashCode(), "{0}: No known sharing provider is found in message.", messageItem.Session.UserLegacyDN);
throw new NotSupportedSharingMessageException();
}
if (this.context.IsPrimary)
{
this.context.FolderName = sharingDataType.DisplayName.ToString(messageItem.Session.InternalPreferedCulture);
}
this.context.SetDefaultCapabilities();
SharingMessageType sharingMessageType = SharingContextSerializer.CalculateSharingMessageType(sharingMessage);
if (sharingMessageType == SharingMessageType.Unknown)
{
ExTraceGlobals.SharingTracer.TraceError <string>((long)this.GetHashCode(), "{0}: SharingMessageType is unknown", messageItem.Session.UserLegacyDN);
throw new InvalidSharingMessageException("SharingMessageType");
}
this.context.SharingMessageType = sharingMessageType;
return(true);
}
internal void SaveIntoMetadataXml(MessageItem messageItem)
{
SharingMessage sharingMessage = this.CreateSharingMessage();
SharingMessageAttachment.SetSharingMessage(messageItem, sharingMessage);
}