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One-time use files/links

 
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Old 01-08-2007
Question One-time use files/links
Im in the process of developing a content based website in which people will be able to upload movies(which are then converted to flv format and displayed in a flash based player.) In order to protect the submitted content I would like to setup an offsite folder for the videos and create symbolic/hard links to the files only when in use.

My question:
Is there a way to create a file, symbolic link, hard link... that destroys itself after it has been used?

(In other words I want the script to create this file then once the player initiates the download I want all further attempts to download the video to be rejected. In other words the file can only be accessed via the given video script.)

Site information that might be important:
PHP 4
MySQL
ffmpeg is used to convert the submitted video
Debian GNU/Linux
I do NOT have root access on the server(I was able to get ffmpeg to install to a local directory)
 
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LEARN ABOUT DEBIAN

passage

passage(6)							       Games								passage(6)

NAME

       passage - a game about the passage through life

SYNOPSIS

       passage

DESCRIPTION

       Passage	is  a video game written by Jason Rohrer about navigating the maze that is life and the obstacles, rewards, disappointments, chal-
       lenges, relationships and the inevitable departure that is part of the adventure of life.

       Passage is an art game. As a result, some people love it and some people hate it. Check out the links to places it has  been  discussed	on
       the website for some of the reactions.

       The  mechanics  of  the game are fairly simple. Your "score" is related to two things; exploration and treasure. Treasure pieces are repre-
       sented by blue stars that you find in the treasure chests scattered about the maze of life's challenges. Some chests will be empty, so  you
       must  learn  which  sequence of gems on the front of the chests means treasure is inside.  You have the option to team up with a spouse. If
       you do, exploring life will be more rewarding but some treasure will no longer be reachable.  As in life, your spouse  will  die  and  that
       death will slow you down.  In the end, you will die alone after your 5 minutes is up.

       The  most interesting part about this game is the emotions it evokes within the player of the game. The ultra-low-res pixel art helps here,
       by not being too distracting and by leaving plenty room for viewer interpretation.

       The followup to Passage is Gravitation, another art game by Jason Rohrer.

USAGE

       Passage has no command-line options.

       The arrow keys move the player around.

       The Esc key is used to quit the game.

       The game resolution and use of fullscreen or a window can be set by editing the files in /etc/passage.

SEE ALSO

       The website and discussion: http://hcsoftware.sourceforge.net/passage/

       The game creators statement: http://hcsoftware.sourceforge.net/passage/statement.html

								    March 2008								passage(6)