# 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 -Indexes


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

<IfModule mod_headers.c>
   # Erase any X-Koha-SetEnv headers from the client
   RequestHeader unset X-Koha-SetEnv
</IfModule>