Koha/debian/templates/apache-shared.conf
Robin Sheat be90542872 Bug 10411: add cache control headers for static resources (Debian package)
This adds caching directives to the static resources so that the browser
doesn't ask about them all the time.

By default, Debian apache doesn't have the required module (mod_expires)
enabled, and so this patch will have no effect. In order to enable this
function, run:

a2enmod expires

and restart apache.

Test Plan:
* Using firebug or equivalent, load a page.
* Note that none of the images, css, or js files have a Cache-Control or
  Expires header set.
* Add this patch, redeploy the package with it (or overwrite the
  apache-share.conf file) enable the 'expires' module, restart apache.
* Force-reload the page
* Note that the images, css, js now have Cache-Control and Expires set
  for 12 hours into the future.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
Signed-off-by: Jonathan Druart <jonathan.druart@biblibre.com>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>
2013-07-18 13:50:56 +00:00

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# Apache configuration settings that are shared for every Koha instance.
# This file contains settings that are the same for both the OPAC and
# the Intranet site.
#
# This file should be included from an instance's
# /etc/apache2/site-available file, once from the OPAC section, and once
# from the intranet section.
SetEnv PERL5LIB "/usr/share/koha/lib"
<IfModule mod_gzip.c>
mod_gzip_on yes
mod_gzip_dechunk yes
mod_gzip_keep_workfiles No
mod_gzip_can_negotiate yes
mod_gzip_update_static No
mod_gzip_temp_dir /tmp
mod_gzip_minimum_file_size 512
mod_gzip_maximum_file_size 1000000
mod_gzip_maximum_inmem_size 1000000
mod_gzip_handle_methods GET POST
mod_gzip_item_exclude reqheader "User-Agent: .*Mozilla/4\..*\["
mod_gzip_item_exclude mime ^image/.*
mod_gzip_item_exclude rspheader Content-Type:image/*
mod_gzip_item_include file \.js$
mod_gzip_item_include mime ^application/x-javascript$
mod_gzip_item_include file \.php$
mod_gzip_item_include mime ^text/html$
mod_gzip_item_include file \.css$
mod_gzip_item_include mime ^text/css$
</IfModule>
<IfModule mod_deflate.c>
# Compress content with type html, text, and css, ...
AddOutputFilterByType DEFLATE text/plain text/html text/xml text/css
AddOutputFilterByType DEFLATE application/xml application/xhtml+xml application/rss+xml application/javascript application/x-javascript
DeflateCompressionLevel 9
# Properly handle old browsers that do not support compression
BrowserMatch ^Mozilla/4 gzip-only-text/html
BrowserMatch ^Mozilla/4\.0[678] no-gzip
BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
DeflateFilterNote Input instream
DeflateFilterNote Output outstream
DeflateFilterNote Ratio ratio
LogFormat '"%r" %{outstream}n/%{instream}n (%{ratio}n%%)' deflate
<IfModule mod_headers.c>
#properly handle requests coming from behind proxies
Header append Vary User-Agent
</IfModule>
</IfModule>
<IfModule mod_expires.c>
ExpiresActive on
ExpiresByType text/css "access plus 12 hours"
ExpiresByType application/javascript "access plus 12 hours"
ExpiresByType image/png "access plus 12 hours"
ExpiresByType image/gif "access plus 12 hours"
</IfModule>
Options +FollowSymLinks
ErrorDocument 400 /cgi-bin/koha/errors/400.pl
ErrorDocument 401 /cgi-bin/koha/errors/401.pl
ErrorDocument 403 /cgi-bin/koha/errors/403.pl
ErrorDocument 404 /cgi-bin/koha/errors/404.pl
ErrorDocument 500 /cgi-bin/koha/errors/500.pl
RewriteEngine On