public static void DeleteLevelOneAttachments(Item newItem, UserContext userContext)
{
if (newItem == null)
{
throw new ArgumentNullException("newItem");
}
List <AttachmentId> list = new List <AttachmentId>();
foreach (AttachmentHandle handle in newItem.AttachmentCollection)
{
using (Attachment attachment = newItem.AttachmentCollection.Open(handle))
{
AttachmentPolicy.Level attachmentLevel = AttachmentLevelLookup.GetAttachmentLevel(attachment, userContext);
if (attachmentLevel == AttachmentPolicy.Level.Block)
{
list.Add(attachment.Id);
}
}
}
if (list.Count != 0)
{
foreach (AttachmentId attachmentId in list)
{
newItem.AttachmentCollection.Remove(attachmentId);
}
ConflictResolutionResult conflictResolutionResult = newItem.Save(SaveMode.ResolveConflicts);
if (conflictResolutionResult.SaveStatus == SaveResult.IrresolvableConflict)
{
newItem.Dispose();
newItem = null;
throw new OwaSaveConflictException(LocalizedStrings.GetNonEncoded(-482397486), conflictResolutionResult);
}
}
newItem.Load();
}
public static AttachmentPolicy.Level GetAttachmentLevel(Attachment attachment, UserContext userContext)
{
if (attachment == null)
{
throw new ArgumentNullException("attachment");
}
return(AttachmentLevelLookup.GetAttachmentLevel(attachment.AttachmentType, attachment.FileExtension, attachment.ContentType ?? attachment.CalculatedContentType, userContext));
}
public static AttachmentPolicy.Level GetAttachmentLevel(AttachmentInfo attachmentInfo, UserContext userContext)
{
if (attachmentInfo == null)
{
throw new ArgumentNullException("attachmentInfo");
}
return(AttachmentLevelLookup.GetAttachmentLevel(attachmentInfo.AttachmentType, attachmentInfo.FileExtension, attachmentInfo.ContentType, userContext));
}
// Token: 0x0600071C RID: 1820 RVA: 0x00037B9C File Offset: 0x00035D9C
private void ProcessAttachment(Attachment attachment, HttpContext httpContext, BlockStatus blockStatus)
{
if (attachment == null)
{
throw new ArgumentNullException("attachment");
}
OwaContext owaContext = OwaContext.Get(httpContext);
UserContext userContext = owaContext.UserContext;
Stream stream = null;
try
{
StreamAttachmentBase streamAttachment = AttachmentUtility.GetStreamAttachment(attachment);
if (streamAttachment == null)
{
ExTraceGlobals.AttachmentHandlingTracer.TraceError((long)this.GetHashCode(), "AttachmentHandler.ProcessAttachment: attachment is not derived from AttachmentStream");
}
else
{
AttachmentPolicy.Level attachmentLevel = AttachmentLevelLookup.GetAttachmentLevel(streamAttachment, userContext);
if (attachmentLevel == AttachmentPolicy.Level.Block)
{
Utilities.TransferToErrorPage(owaContext, LocalizedStrings.GetNonEncoded(-2000404449), LocalizedStrings.GetNonEncoded(-615885395));
}
else
{
string fileName = AttachmentUtility.CalculateAttachmentName(streamAttachment.DisplayName, streamAttachment.FileName);
string text = streamAttachment.FileExtension;
if (text == null)
{
text = string.Empty;
}
string empty = string.Empty;
bool contentType = this.GetContentType(httpContext, streamAttachment, attachmentLevel, out empty);
bool isInline = this.GetIsInline(streamAttachment, attachmentLevel);
stream = AttachmentUtility.GetStream(streamAttachment);
if (stream == null)
{
ExTraceGlobals.AttachmentHandlingTracer.TraceError((long)this.GetHashCode(), "AttachmentHandler.ProcessAttachment: Image conversion of OLE attachment failure");
}
else
{
AttachmentHandler.SendDocumentContentToHttpStream(httpContext, stream, fileName, text, empty, isInline, streamAttachment.TextCharset, blockStatus, attachmentLevel, contentType);
}
}
}
}
finally
{
if (stream != null)
{
stream.Dispose();
}
}
}
protected AttachmentPolicy.Level GetAttachmentLevel(AttachmentLink attachmentLink)
{
if (this.isJunkOrPhishing)
{
return(AttachmentPolicy.Level.Block);
}
if (attachmentLink.AttachmentType == AttachmentType.EmbeddedMessage)
{
return(AttachmentPolicy.Level.Block);
}
return(AttachmentLevelLookup.GetAttachmentLevel(attachmentLink, this.owaContext.UserContext));
}
