coldfusion cfcontent want to offer open file but not download

user_1497281 0
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In ColdFusion I have code to open or download a file:

<cfif FileExists('#session.exploc#/#attname#')>      
  <cfset typeatt =  FilegetMimeType('#session.exploc#/#attname#')>      
  <cfheader name = "Content-Disposition" value="attachment;#session.exploc#/#attname#"> 
  <cfcontent type="#typeatt#" file="#session.exploc#/#attname#">
</cfif>

This gives a standard open/download window.

I would prefer a window which just allows the user to open the file, and does not provide a download. Is there a way to do that?

Alternatively, I am happy to open the file in the browser, but since I don't know the filetype in advance I'm not sure how to do that.

coldfusion file-io
1 Answers

This is not a function of <cfcontent> per-se. All <cfcontent> handles is the MIME-type of the response, the content of it (it can reset it for example), and a few other bits and pieces. It's all about the nature of the content returned by the CFML server.

This is all fairly clear in the docs for <cfcontent>:

Some file types, such as PDF documents, do not use executable code and can display directly in most browsers. To request the browser to display the file directly, use a cfheader tag similar to the following:

<cfheader name="Content-Disposition" value="inline; filename=name.ext">

IE: what you want to be doing is to set the Content-Disposition header with a value of inline to tell the browser to potentially inline the document, if if has the capabilities to do so.

user_8940610
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