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
>

-- 
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