On Tue, 2004-08-24 at 15:22, Chris Devers wrote: > On Tue, 24 Aug 2004, Joe Echavarria wrote: > > > After a user fill out a form and submit it a perl > > script takes the user to a download page of my > > website. how can i prevent a user from directly > > access the download page using the web browser.., for > > example http://www.mydomain.com/download_page.html, i > > only want the user to able to download the file if > > he/she fill out and submit the form. > > > > Any help on how to do that ? > > Users can *always* get around such barriers, so don't get your hopes up > that it will be perfect. > > That said, you can make it harder, but not impossible, to get to the > download page without filling out the form first. > > The obvious way I can think of to do this is to make the download page a > script that checks to see that: > > * mandatory form fields are defined as input for the download script > * the referring page is your original form (this one is probably less > important than the previous criteria, if you think about it) > > If these are not verified, send the user back to the form with a note > saying that fields X, Y, and Z still need to be filled out.
This gave me an idea... one could have a hidden field in that form :-) This way, you could know if the user came from a form with that field or not (note: "if the user came from a form with that field", not if the user came from that form). Then you can point him to the right address :-) > If these are verified -- or, more to the point, if the form fields you > need are verified -- then that's about as good as forcing the user to > have visited the first page to begin with. > > > -- > Chris Devers -- José Alves de Castro <[EMAIL PROTECTED]> http://natura.di.uminho.pt/~jac
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