private long WriteAttachmentProperties(Attachment attachment)
{
long result = 0L;
this.tnefWriter.StartAttribute(TnefAttributeTag.Attachment, TnefAttributeLevel.Attachment);
foreach (NativeStorePropertyDefinition nativeStorePropertyDefinition in attachment.AllNativeProperties)
{
if (nativeStorePropertyDefinition.Equals(InternalSchema.AttachDataObj))
{
result = this.WriteAttachDataObj(attachment);
}
else if (!nativeStorePropertyDefinition.Equals(InternalSchema.AttachDataBin) && this.propertyChecker.IsAttachmentPropertyWritable(nativeStorePropertyDefinition))
{
object obj = attachment.TryGetProperty(nativeStorePropertyDefinition);
PropertyError propertyError = obj as PropertyError;
if (propertyError != null && PropertyError.IsPropertyValueTooBig(propertyError))
{
this.WritePropertyStreamData(attachment.PropertyBag, nativeStorePropertyDefinition);
}
else if (propertyError == null)
{
obj = ExTimeZoneHelperForMigrationOnly.ToLegacyUtcIfDateTime(obj);
this.tnefWriter.WriteProperty(nativeStorePropertyDefinition, obj);
}
}
}
ItemAttachment itemAttachment = attachment as ItemAttachment;
if (itemAttachment != null)
{
result = this.WriteAttachedItem(itemAttachment);
}
return(result);
}
private long WriteAttachment(Item item, Attachment attachment)
{
this.limitsTracker.CountMessageAttachment();
this.WriteAttachmentAttributes(attachment);
long result = 0L;
StreamAttachment streamAttachment = attachment as StreamAttachment;
if (streamAttachment != null)
{
using (Stream stream = this.tnefWriter.OpenAttributeStream(TnefAttributeTag.AttachData, TnefAttributeLevel.Attachment))
{
object obj = attachment.TryGetProperty(InternalSchema.AttachDataBin);
PropertyError propertyError = obj as PropertyError;
if (propertyError != null)
{
using (Stream stream2 = streamAttachment.TryGetRawContentStream(PropertyOpenMode.ReadOnly))
{
if (stream2 != null)
{
result = Util.StreamHandler.CopyStreamData(stream2, stream);
}
goto IL_88;
}
}
byte[] array = (byte[])obj;
result = (long)array.Length;
stream.Write(array, 0, array.Length);
IL_88 :;
}
}
this.WriteAttachmentProperties(attachment);
return(result);
}
private void WriteAttachmentAttributes(Attachment attachment)
{
this.tnefWriter.StartAttribute(TnefAttributeTag.AttachRenderData, TnefAttributeLevel.Attachment);
object obj = attachment.TryGetProperty(InternalSchema.AttachMethod);
if (obj is PropertyError)
{
StorageGlobals.ContextTraceError <string>(ExTraceGlobals.CcOutboundTnefTracer, "ItemToTnefConverter::WriteAttachmentAttributes: unable to get attach method, {0}.", ((PropertyError)obj).PropertyErrorDescription);
throw new ConversionFailedException(ConversionFailureReason.CorruptContent);
}
this.tnefWriter.WriteProperty(TnefPropertyTag.AttachMethod, (int)obj);
obj = attachment.TryGetProperty(InternalSchema.RenderingPosition);
if (obj is PropertyError)
{
obj = -1;
}
this.tnefWriter.WriteProperty(TnefPropertyTag.RenderingPosition, (int)obj);
obj = attachment.TryGetProperty(InternalSchema.AttachEncoding);
if (!(obj is PropertyError))
{
this.tnefWriter.WriteProperty(TnefPropertyTag.AttachEncoding, (byte[])obj);
}
this.tnefWriter.StartAttribute(TnefAttributeTag.AttachTitle, TnefAttributeLevel.Attachment);
this.tnefWriter.WriteProperty(TnefPropertyTag.AttachFilenameA, attachment.DisplayName ?? string.Empty);
this.tnefWriter.StartAttribute(TnefAttributeTag.AttachCreateDate, TnefAttributeLevel.Attachment);
this.tnefWriter.WriteProperty(TnefPropertyTag.CreationTime, attachment.CreationTime);
this.tnefWriter.StartAttribute(TnefAttributeTag.AttachModifyDate, TnefAttributeLevel.Attachment);
this.tnefWriter.WriteProperty(TnefPropertyTag.LastModificationTime, attachment.LastModifiedTime);
object obj2 = attachment.TryGetProperty(InternalSchema.AttachRendering);
if (!(obj2 is PropertyError))
{
this.tnefWriter.StartAttribute(TnefAttributeTag.AttachMetaFile, TnefAttributeLevel.Attachment);
this.tnefWriter.WriteProperty(TnefPropertyTag.AttachRendering, obj2);
}
}