The main issue with cfcontent is that is loads the file into memory and then serves it. I would suggest writing a servlet that is able to stream the file out to the buffer.
Matt Liotta President & CEO Montara Software, Inc. http://www.montarasoftware.com/ 888-408-0900 x901 > -----Original Message----- > From: Dave Watts [mailto:[EMAIL PROTECTED]] > Sent: Thursday, November 21, 2002 12:34 PM > To: CF-Talk > Subject: RE: img! > > > If I wanted to do something along the lines of: > > > > joe.cfm?img=/images/go.jpg > > > > and have joe.cfm turn into the actual image how would i > > accomplish such a task? i'm interested in keeping from > > being able to look at photos unless they are logged in > > and i want cfm to manage the logging in via session vars. > > > > the images directory would not be web accessible obviously > > but the .cfm page would call the images from that dir. > > > > how can i make the browser think that > > joe.cfm?img=/images/go.jpg is an actual jpeg and not a > > cfm file with a jpeg in it? > > You'd need your CFM file to use CFCONTENT to return a JPEG, and not return > anything else (no HTML tags or other text output). > > <!--- joe.cfm ---> > <cfif IsUserInRole("PictureViewer")> > <cfset ImageToShow = "go.jpg"> > <cfelse> > <cfset ImageToShow = "blank.jpg"> > </cfif> > > <cfcontent type="image/jpeg" file="#ImageToShow#"> > > > how server intensive is this task? > > Unfortunately, it's pretty intensive, and I wouldn't recommend it in a > high-usage environment. There are alternatives, such as the use of > symlinks > or junctions, or the use of web server authentication, that you can use to > offload this kind of thing from CF, if you're in that sort of environment. > > Dave Watts, CTO, Fig Leaf Software > http://www.figleaf.com/ > voice: (202) 797-5496 > fax: (202) 797-5444 > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Archives: http://www.houseoffusion.com/cf_lists/index.cfm?forumid=4 Subscription: http://www.houseoffusion.com/cf_lists/index.cfm?method=subscribe&forumid=4 FAQ: http://www.thenetprofits.co.uk/coldfusion/faq Signup for the Fusion Authority news alert and keep up with the latest news in ColdFusion and related topics. http://www.fusionauthority.com/signup.cfm
