// Token: 0x06001BFF RID: 7167 RVA: 0x0006D71C File Offset: 0x0006B91C
 private static void SendInvitationMessage(UserContext userContext, ExchangePrincipal exchangePrincipal, string user, string location, string invitationLink)
 {
     try
     {
         OwaDiagnostics.SendWatsonReportsForGrayExceptions(delegate()
         {
             if (string.IsNullOrEmpty(user))
             {
                 throw new ArgumentNullException("user", "User name cannot be null when sending invite!");
             }
             if (string.IsNullOrEmpty(invitationLink))
             {
                 throw new ArgumentNullException("invitationLink", "InvitationLink cannot be null when sending invite!");
             }
             if (string.IsNullOrEmpty(location))
             {
                 throw new ArgumentNullException("location", "Document location cannot be null when sending invite!");
             }
             try
             {
                 string fileNameFromLocation = UpdateAttachmentPermissions.GetFileNameFromLocation(location);
                 userContext.LockAndReconnectMailboxSession();
                 MessageItem messageItem = MessageItem.Create(userContext.MailboxSession, userContext.MailboxSession.GetDefaultFolderId(DefaultFolderType.Inbox));
                 messageItem.From        = new Participant(exchangePrincipal);
                 messageItem.Sender      = messageItem.From;
                 messageItem.Subject     = string.Format(Strings.GuestSharingInvitationSubject, exchangePrincipal.MailboxInfo.DisplayName, fileNameFromLocation);
                 messageItem.IsDraft     = false;
                 messageItem.IsRead      = false;
                 messageItem.Recipients.Add(new Participant(user, user, "SMTP"));
                 string bodyContent = AttachmentMessageBodyGenerator.GenerateBodyForInvitation(fileNameFromLocation, invitationLink);
                 UpdateAttachmentPermissions.SetItemBody(messageItem, BodyFormat.TextHtml, bodyContent);
                 messageItem.SendWithoutSavingMessage();
             }
             catch (InvalidRecipientsException ex2)
             {
                 ExTraceGlobals.AttachmentHandlingTracer.TraceError <string>(0L, "[UpdateAttachmentPermissions : SendInvitationMessage] Exception happened when trying to send the invitation message : {0}", ex2.StackTrace);
             }
             finally
             {
                 if (userContext.MailboxSessionLockedByCurrentThread())
                 {
                     userContext.UnlockAndDisconnectMailboxSession();
                 }
             }
         });
     }
     catch (GrayException ex)
     {
         ExTraceGlobals.AttachmentHandlingTracer.TraceError <string>(0L, "[UpdateAttachmentPermissions : SendInvitationMessage] Exception happened when trying to send the invitation message : {0}", ex.StackTrace);
     }
 }
 // Token: 0x06001C00 RID: 7168 RVA: 0x0006D8C0 File Offset: 0x0006BAC0
 private static void CreateOneFailureMessage(UserContext userContext, ExchangePrincipal exchangePrincipal, string body, List <AttachmentFile> attachmentFiles)
 {
     try
     {
         OwaDiagnostics.SendWatsonReportsForGrayExceptions(delegate()
         {
             try
             {
                 userContext.LockAndReconnectMailboxSession();
                 MessageItem messageItem = MessageItem.Create(userContext.MailboxSession, userContext.MailboxSession.GetDefaultFolderId(DefaultFolderType.Inbox));
                 messageItem.From        = new Participant("Microsoft Outlook", "*****@*****.**", "SMTP");
                 messageItem.Sender      = messageItem.From;
                 messageItem.IsDraft     = false;
                 messageItem.IsRead      = false;
                 messageItem.Recipients.Add(new Participant(exchangePrincipal), RecipientItemType.To);
                 UpdateAttachmentPermissions.SetItemBody(messageItem, BodyFormat.TextHtml, body);
                 if (attachmentFiles.Count == 1)
                 {
                     messageItem.Subject = string.Format(Strings.OneAttachmentSharingFailureSubject, attachmentFiles[0].FileName);
                 }
                 else
                 {
                     messageItem.Subject = Strings.AttachmentSharingFailureSubject;
                 }
                 messageItem.Save(SaveMode.NoConflictResolutionForceSave);
                 messageItem[ItemSchema.ReceivedTime] = ExDateTime.Now;
                 messageItem.Save(SaveMode.ResolveConflicts);
             }
             finally
             {
                 if (userContext.MailboxSessionLockedByCurrentThread())
                 {
                     userContext.UnlockAndDisconnectMailboxSession();
                 }
             }
         });
     }
     catch (GrayException ex)
     {
         ExTraceGlobals.AttachmentHandlingTracer.TraceError <string>(0L, "[UpdateAttachmentPermissions : CreateMessage] Exception happened when trying to send message : {0}", ex.StackTrace);
     }
 }