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Editorial Team
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Asked: 2026-05-19T22:12:19+00:00

I am trying to create a secure download web app with the following scenario.

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I am trying to create a secure download web app with the following scenario. Anybody know how this can be achieved:

1) The user is given a one-time URL
a) This one-time URL is stored in an Oracle DB mapped to the actual URL
2) When the user visits the one-time URL:
a) Apache module connects to the DB to see if the one-time URL exists
b) if it exists, apache does an internal rewrite to the actual URL
c) if not, then 404 or any sort of error (404 or something else) is good enough

2.a and 2.b are the what I am looking answers on. I am not sure how to do this and make sure the rewrites happen internally.

Thanks

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1 Answer

  1. Editorial Team

    This should be possible using the new dbd-type RewriteMap functionality available in the trunk version of Apache. Obviously with this being the current development branch of the server you’ll need to be careful about config-breaking changes over time.

    RewriteEngine On
RewriteMap urlmapper "dbd:SELECT redirect_url from my_table WHERE some_key = %s"
RewriteRule /one_time/(.+) ${urlmapper:$1|/404.html}

    Of course you will need some additional logic for handling cases where no results are returned.

    http://httpd.apache.org/docs/trunk/rewrite/rewritemap.html#dbd

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