public override void ProcessTag(HtmlTagContext context, HtmlWriter writer)
{
bool flag = false;
bool flag2 = false;
bool flag3 = false;
bool flag4 = false;
string text = null;
string text2 = null;
string text3 = null;
AttachmentLink attachmentLink = null;
if (context.TagId == HtmlTagId.Link)
{
context.DeleteTag();
return;
}
if (context.TagId == HtmlTagId.Head)
{
if (this.owaContext.UserContext.IsBasicExperience || this.bodyFormat != BodyFormat.TextPlain)
{
context.WriteTag(true);
return;
}
if (!context.IsEndTag)
{
context.WriteTag(true);
context.InvokeCallbackForEndTag();
return;
}
writer.WriteStartTag(HtmlTagId.Style);
writer.WriteText("div.PlainText ");
if (ObjectClass.IsSmsMessage(this.objectClass))
{
writer.WriteText(OwaPlainTextStyle.GetStyleFromUserOption(this.owaContext.UserContext.UserOptions));
}
else
{
writer.WriteText(OwaPlainTextStyle.GetStyleFromCharset(this.charSet));
}
writer.WriteEndTag(HtmlTagId.Style);
context.WriteTag(true);
return;
}
else
{
if (this.isOutputFragment && context.TagId == HtmlTagId.Form)
{
context.DeleteTag();
return;
}
if (context.TagId == HtmlTagId.Form || (!this.isOutputFragment && OwaSafeHtmlOutboundCallbacks.IsFormElementTag(context.TagId)))
{
this.ProcessUnfragFormTagContext(context, writer);
return;
}
if (context.TagId == HtmlTagId.Base)
{
foreach (HtmlTagContextAttribute attribute in context.Attributes)
{
if (OwaSafeHtmlCallbackBase.IsBaseTag(context.TagId, attribute))
{
string value = attribute.Value;
this.baseRef = Utilities.TryParseUri(value);
break;
}
}
return;
}
foreach (HtmlTagContextAttribute filterAttribute in context.Attributes)
{
if (filterAttribute.Id == HtmlAttributeId.Src || filterAttribute.Id == HtmlAttributeId.Href)
{
if (context.TagId == HtmlTagId.Img && string.IsNullOrEmpty(filterAttribute.Value))
{
return;
}
if (string.CompareOrdinal(filterAttribute.Value, this.inlineRTFattachmentScheme) == 0 || filterAttribute.Value.StartsWith(this.inlineHTMLAttachmentScheme, StringComparison.OrdinalIgnoreCase))
{
attachmentLink = this.IsInlineImage(filterAttribute);
if (attachmentLink == null)
{
return;
}
if (context.TagId != HtmlTagId.Img)
{
writer.WriteEmptyElementTag(HtmlTagId.Img);
this.OutputInlineReference(filterAttribute, context, attachmentLink, writer);
context.DeleteTag(false);
context.DeleteInnerContent();
return;
}
flag2 = true;
break;
}
else
{
if (string.CompareOrdinal(filterAttribute.Value, this.embeddedRTFImage) == 0)
{
this.hasRtfEmbeddedImages = true;
break;
}
break;
}
}
}
context.WriteTag();
foreach (HtmlTagContextAttribute htmlTagContextAttribute in context.Attributes)
{
if (!this.isOutputFragment || htmlTagContextAttribute.Id != HtmlAttributeId.Name || !OwaSafeHtmlOutboundCallbacks.IsFormElementTag(context.TagId))
{
if (htmlTagContextAttribute.Id == HtmlAttributeId.UseMap)
{
this.ProcessUseMapAttribute(htmlTagContextAttribute, context, writer);
}
else if (OwaSafeHtmlCallbackBase.IsUrlTag(context.TagId, htmlTagContextAttribute))
{
if (!flag)
{
this.ProcessHtmlUrlTag(htmlTagContextAttribute, context, writer);
flag = true;
}
}
else if (OwaSafeHtmlCallbackBase.IsImageTag(context.TagId, htmlTagContextAttribute))
{
if (htmlTagContextAttribute.Id == HtmlAttributeId.Src && attachmentLink != null)
{
this.OutputInlineReference(htmlTagContextAttribute, context, attachmentLink, writer);
}
else
{
if ((htmlTagContextAttribute.Id != HtmlAttributeId.Src || flag2) && (htmlTagContextAttribute.Id != HtmlAttributeId.DynSrc || flag3) && (htmlTagContextAttribute.Id != HtmlAttributeId.LowSrc || flag4))
{
continue;
}
this.ProcessImageTag(htmlTagContextAttribute, context, writer);
}
if (htmlTagContextAttribute.Id == HtmlAttributeId.Src)
{
flag2 = true;
}
else if (htmlTagContextAttribute.Id == HtmlAttributeId.DynSrc)
{
flag3 = true;
}
else if (htmlTagContextAttribute.Id == HtmlAttributeId.LowSrc)
{
flag4 = true;
}
}
else if (OwaSafeHtmlCallbackBase.IsBackgroundAttribute(htmlTagContextAttribute))
{
if (this.isOutputFragment && context.TagId == HtmlTagId.Div)
{
attachmentLink = this.IsInlineImage(htmlTagContextAttribute);
if (attachmentLink != null)
{
AttachmentPolicy.Level attachmentLevel = this.GetAttachmentLevel(attachmentLink);
if (AttachmentPolicy.Level.Allow == attachmentLevel)
{
writer.WriteAttribute(HtmlAttributeId.Style, "background:url('" + this.GetInlineReferenceUrl(attachmentLevel, attachmentLink, writer) + "');");
}
}
}
else
{
this.ProcessImageTag(htmlTagContextAttribute, context, writer);
}
}
else if (!OwaSafeHtmlOutboundCallbacks.IsTargetTagInAnchor(context.TagId, htmlTagContextAttribute))
{
if (OwaSafeHtmlCallbackBase.IsSanitizingAttribute(htmlTagContextAttribute))
{
if (htmlTagContextAttribute.Id == HtmlAttributeId.Border)
{
text = htmlTagContextAttribute.Value;
}
else if (htmlTagContextAttribute.Id == HtmlAttributeId.Height)
{
text2 = htmlTagContextAttribute.Value;
}
else if (htmlTagContextAttribute.Id == HtmlAttributeId.Width)
{
text3 = htmlTagContextAttribute.Value;
}
}
else
{
htmlTagContextAttribute.Write();
}
}
}
}
if (!string.IsNullOrEmpty(text2) && !string.IsNullOrEmpty(text3) && this.hasBlockedImagesInCurrentPass)
{
OwaSafeHtmlOutboundCallbacks.SanitizeImage(writer, text, text2, text3);
}
else if (!this.hasBlockedImagesInCurrentPass)
{
if (!string.IsNullOrEmpty(text2))
{
writer.WriteAttribute(HtmlAttributeId.Height, text2);
}
if (!string.IsNullOrEmpty(text3))
{
writer.WriteAttribute(HtmlAttributeId.Width, text3);
}
if (!string.IsNullOrEmpty(text))
{
writer.WriteAttribute(HtmlAttributeId.Border, text);
}
}
if (this.hasFoundNonLocalUrlInCurrentPass)
{
if (this.owaContext.UserContext.IsBasicExperience)
{
if (!this.hasFoundMailToUrlInCurrentPass || this.openMailtoInNewWindow)
{
this.WriteSafeTargetBlank(writer);
}
}
else
{
this.WriteSafeTargetBlank(writer);
}
}
this.hasBlockedImagesInCurrentPass = false;
this.hasFoundNonLocalUrlInCurrentPass = false;
this.hasFoundMailToUrlInCurrentPass = false;
return;
}
}
public override void ProcessTag(HtmlTagContext context, HtmlWriter writer)
{
context.WriteTag(false);
foreach (HtmlTagContextAttribute htmlTagContextAttribute in context.Attributes)
{
if (OwaSafeHtmlCallbackBase.IsUrlTag(context.TagId, htmlTagContextAttribute))
{
OwaSafeHtmlInboundCallbacks.RestoreUrl(htmlTagContextAttribute, writer);
}
else if (OwaSafeHtmlCallbackBase.IsImageTag(context.TagId, htmlTagContextAttribute) || OwaSafeHtmlCallbackBase.IsBackgroundAttribute(htmlTagContextAttribute))
{
this.RestoreInlineAttachment(htmlTagContextAttribute, context, writer);
}
else
{
htmlTagContextAttribute.Write();
}
}
}