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<cfset variables.request = getHTTPRequestData() />
<cfset variables.headers = variables.request.headers />
<cfif structKeyExists ( variables.headers, 'If-Modified-Since' ) and variables.headers['If-Modified-Since'] eq variables.lastModified>
<cfif structKeyExists ( variables.headers, 'If-None-Match' ) and variables.headers['If-None-Match'] eq variables.ETag>
<cfheader statuscode="304" statustext="Not Modified" />
<cfexit />
</cfif>
</cfif>
<cfset variables.headers = variables.request.headers />
<cfif structKeyExists ( variables.headers, 'If-Modified-Since' ) and variables.headers['If-Modified-Since'] eq variables.lastModified>
<cfif structKeyExists ( variables.headers, 'If-None-Match' ) and variables.headers['If-None-Match'] eq variables.ETag>
<cfheader statuscode="304" statustext="Not Modified" />
<cfexit />
</cfif>
</cfif>