root/trunk/website/blog/trackback.cfm @ 42

<cfsetting enablecfoutputonly=true>
<cfprocessingdirective pageencoding="utf-8">
<!---
        Name         : c:\projects\blog\client\trackbackb.cfm
        Author       : Dave Lobb 
        Created      : 09/22/05
        Last Updated : 2/28/07
        History      : Ray modified it for 4.0
                                 : Don't log the getEntry (rkc 2/28/07)
--->

<!--- TBs allowed? --->
<cfif not application.blog.getProperty("allowtrackbacks")><cfabort></cfif>

<!--- Kill TB
This link doesn't authenticate at all, but gives us one click clean up of TBs from email. --->
<cfif isDefined("url.kill") and len(trim(url.kill))>
        <cftry>
                <cfset application.blog.deleteTrackback(url.kill)>
                <cflocation url="#application.rootURL#" addToken="false">
                <cfcatch>
                        <!--- silently fail --->
                </cfcatch>
        </cftry>
</cfif>

<cfcontent type="text/xml; charset=UTF-8">

<!--- 
http://www.sixapart.com/pronet/docs/trackback_spec
--->


<cfset response = '<?xml version="1.0" encoding="utf-8"?><response><error>{code}</error>{message}</response>'>
<cfset message = '<message>{error}</message>'>
<cfset error = "">
        
<cfif cgi.REQUEST_METHOD eq "POST">
        <cfparam name="form.title" default="">
        <cfparam name="form.excerpt" default="">
        <cfparam name="form.blog_name" default="">
                
        <!--- must have entry id --->
        <cfif not len(cgi.query_string)>
                <cfset error = "Could not find post - please check trackback URL">
        <cfelse>
                <cfset entry = cgi.query_string>
                <cftry>
                        <cfset blogEntry = application.blog.getEntry(entry,true)>
                        <!--- must have url --->
                        <cfif structKeyExists(form, "url")>
                                <cfset id = application.blog.addTrackBack(form.title, form.url, form.blog_name, form.excerpt, entry)>
                                <cfif id is not "">
                                        <!--- Form a message about the TB --->
                                        <cfmodule template="tags/trackbackemail.cfm" trackback="#id#" />
                                        <cfmodule template="tags/scopecache.cfm" scope="application" clearall="true">
                                </cfif>
                        <cfelse>
                                <cfset error = "URL not provided">
                        </cfif>

                        <cfcatch>
                                <!--- person TBed a bad entry --->
                                <cfset error = "Bad Entry">
                        </cfcatch>
                </cftry>                        
        </cfif>
<cfelse>
        <cfset error = "TrackBack request not POSTed">
</cfif>
        
<cfif not len(error)>
        <cfset response = replace(response, "{code}", "0")>
        <cfset response = replace(response, "{message}", "")>
<cfelse>
        <cfset response = replace(response, "{code}", "1")>
        <cfset message = replace(message, "{error}", error)>
        <cfset response = replace(response, "{message}", message)>
</cfif>
        
<cfset getPageContext().getOut().clear()> 
<cfoutput>#trim(response)#</cfoutput>

<cfsetting enablecfoutputonly=false>