Does "IsImage"work by just looking at the extension? Because it is returning false even when it is a jpg or gif that I'm uploading and renaming.
On Thu, Jan 17, 2013 at 8:37 AM, Matt C <[email protected]> wrote: > I completely missed that one when looking over the list of image > functions. *facepalm* Thanks! > > > On Thu, Jan 17, 2013 at 2:35 AM, Mats Stromberg <[email protected]>wrote: > >> There is a function in OpenBD called isImage( obj ) that you could use. >> >> http://openbd.org/manual/?/function/isimage >> >> /Mats/ >> >> >> >> On Wednesday, January 16, 2013 11:23:40 PM UTC+1, Matt C wrote: >>> >>> I'm looking for an alternative to CF's IsImageFile (which doesn't seem >>> to be in OpenBD I assume?). GetFileInfo might be able to help, but can >>> someone tell me if the "type" returned by this function is just based on >>> the file's extension or if it digs a little deeper to find the type? >>> >>> I allow my users to upload a file (supposedly an image) with a form to a >>> temp, restricted directory on my server so I can check the file before >>> blobbing it and inserting it into my database. I rename the file as I >>> upload it to avoid any issues with wierd names, such as (my "funny" >>> img.jpg) or (../../index.cfm). Since I apparently can't read the filename >>> BEFORE uploading it, I lose the extension when I rename. I figure that >>> would not be an issue since I'll just be reading binary data from the file >>> anyway, except I would like to do SOME kind of check to make sure the file >>> is really an image. Granted, I may just be being paranoid by renaming the >>> file before even storing it in a restricted, temporary directory. But I'm >>> new to "best security practices" and I would really prefer to >>> overcompensate versus not enough. >>> >> -- >> online documentation: http://openbd.org/manual/ >> http://groups.google.com/group/openbd?hl=en >> > > -- online documentation: http://openbd.org/manual/ http://groups.google.com/group/openbd?hl=en
