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Questions[rewritemap](server)

Martin Hope
Tad
Asked: 2021-02-11 18:32:40 +0800 CST
  • 1

I inherited old code where the prior devs had uses a number of large Apache rewritemaps for doing mass redirects. Only problem is they only committed the SDBM-formatted (meaning a .pag and a .dir file) hash files as opposed to the human-readable text that created them. httxt2dbm can be used to create a SDBM or BDB hash FROM the text file, but not the reverse.

I'm just trying to get the source file back that was used for these rewritemaps. How can I go about this?

apache-2.4 rewritemap
Martin Hope
James Wong
Asked: 2020-09-29 21:01:59 +0800 CST
  • 2

I have a RewriteCond that checks if {QUERY_STRING} contains the right version number, if it doesn't then redirect users to the correct version.

For instance if v0.7 is the latest, users accessing http://localhost/?v=0.5 should be redirected to http://localhost/?v=0.7 but for some reason, if am using RewriteMap in the conditions, it doesn't work...

This works

RewriteMap versions txt:/var/www/html/version.txt
RewriteCond "%{QUERY_STRING}" !^v=0.7
RewriteRule "^/$" "/?v=${versions:version}" [R,L]

This doesn't

RewriteMap versions txt:/var/www/html/version.txt
RewriteCond "%{QUERY_STRING}" !^v=${versions:version}
RewriteRule "^/$" "/?v=${versions:version}" [R,L]

Content of version.txt

##
##  version.txt -- rewriting map
##  The version number written here will be mapped to the URL
##
##
version 0.7
mod-rewrite apache-2.4 rewritecond rewritemap
Martin Hope
Dave Code
Asked: 2020-05-13 01:15:37 +0800 CST
  • 0

I wanted to blacklist on the fly some IP address. I'm updating the main httpd.conf but i wanted to add some IPs on the fly, without using .htaccess (neither the heavy fail2ban). So, i creating a list of ip using Rewrite map. It's working well, except if i want to output the 403 error.

Here is the code that is working :

<VirtualHost x.x.x.x:80>
RewriteEngine on
RewriteMap hosts-deny "txt:/var/www/htdocs/.deny"
RewriteCond   "${hosts-deny:%{REMOTE_ADDR}|NOT-FOUND}" ^-$ [NC] 
RewriteRule   .* /var/www/htdocs/error.php [L]

but It would make more sense for me to have it that way, meaning generating the 403 error :

<VirtualHost x.x.x.x:80>
RewriteEngine on
RewriteMap hosts-deny "txt:/var/www/htdocs/.deny"
RewriteCond   "${hosts-deny:%{REMOTE_ADDR}|NOT-FOUND}" ^-$ [NC] 
RewriteRule   .* - [L,F]

but then it thought out the following error "You don't have permission to access /index.php on this server." Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request."

but there is already a 403 error page that is working (located there /var/www/htdocs/error.php), i've tried to move the definition outside the section where it is working for the rest of the site, except for this new set up

ErrorDocument 403 /error.php

or

ErrorDocument 403 /var/www/htdocs/error.php

none are working, meaning, i still have the 500 internal server error

Any idea where i am wrong ?

Thanks

apache-2.2 blacklist rewritemap
Martin Hope
a coder
Asked: 2012-03-30 09:46:27 +0800 CST
  • 1

I'm working on a solution to a problem where users could potentially access images (in this case PDF files) stored in a folder off the server root. Normally, my application validates users through PHP scripts and sessions. What isn't happening right now is preventing non-logged in users from potentially accessing the PDFs.

The solution I'm looking for would (I think) need to be tied in with Apache. I saw an interesting solution using RewriteMap & RewriteRule, however the example involved putting this in an .htaccess file in the PDF directory. Can't do that with Apache (error: RewriteMap not allowed here). I believe the rewrite directives need to go in my httpd.conf, which I have access to.

So the example I found (that resulted in 'rewritemap not allowed here') is here:

RewriteEngine On
RewriteMap auth prg:auth.php
RewriteRule (.*) ${auth:$1}

auth.php just checks PHP session and redirects to a login script if needed.

I'm reading that I have to place this in my httpd.conf. How would I specify that the RewriteMap should only occur on a specific directory (including subdirectories)?

mod-rewrite session authorization rewritemap
Martin Hope
lazysoundsystem
Asked: 2010-08-14 06:12:16 +0800 CST
  • 5

This seems like a very simple question.

I tried putting a RewriteMap directive in an .htaccess file but the logs showed an alert:

RewriteMap not allowed here

Then I tried putting it in the VirtualHost declaration in the apache2/sites-available file, but reloading apache gives me:

RewriteMap not allowed here
...fail!

In both cases with RewriteEngine on.

Is this referring to the location of the actual map on the file system, or the RewriteMap directive?

Just in case it helps:

<VirtualHost *:80>
  ServerName localhost
  etc...
  <Directory /var/www/site>
  AllowOverride all
  Options Indexes FollowSymLinks MultiViews
  Order allow,deny
  Allow from 127.0.0.1
  RewriteEngine On
  RewriteMap map txt:/var/www/site/map.txt
  RewriteRule /path/[^/]+/([^/]+) ${map:$1} 
  etc...
apache-2.2 mod-rewrite rewritemap