# Speed Up - Browser Caching | GPLv2 / http://wordpress.org/plugins/speed-up-browser-caching/
#
# Basato su Apache Server Configs v2.14.0 | MIT License
# Copyright (c) HTML5 Boilerplate / https://github.com/h5bp/server-configs-apache
#
# Modifiche rispetto all'originale:
#   - tipi MIME dei font aggiornati a RFC 8081 (font/ttf, font/otf, font/woff2)
#   - javascript dichiarato come text/javascript, per RFC 9239
#   - Cache-Control immutable sugli asset con versione nell'URL
<IfModule mod_mime.c>
    AddType text/javascript                             js
    AddType audio/mp4                                   f4a f4b m4a
    AddType audio/ogg                                   oga ogg opus
    AddType image/bmp                                   bmp
    AddType image/svg+xml                               svg svgz
    AddType image/webp                                  webp
    AddType video/mp4                                   f4v f4p m4v mp4
    AddType video/ogg                                   ogv
    AddType video/webm                                  webm
    AddType video/x-flv                                 flv
    AddType image/x-icon                                cur ico
    AddType font/woff                                   woff
    AddType font/woff2                                  woff2
    AddType application/vnd.ms-fontobject               eot
    AddType font/ttf                                    ttf
    AddType font/collection                             ttc
    AddType font/otf                                    otf
</IfModule>
<IfModule mod_mime.c>
    AddCharset utf-8 .css .js .webapp
</IfModule>
<IfModule mod_deflate.c>
    <IfModule mod_setenvif.c>
        <IfModule mod_headers.c>
            SetEnvIfNoCase ^(Accept-EncodXng|X-cept-Encoding|X{15}|~{15}|-{15})$ ^((gzip|deflate)\s*,?\s*)+|[X~-]{4,13}$ HAVE_Accept-Encoding
            RequestHeader append Accept-Encoding "gzip,deflate" env=HAVE_Accept-Encoding
        </IfModule>
    </IfModule>
    <IfModule mod_filter.c>
        AddOutputFilterByType DEFLATE "application/javascript"
        AddOutputFilterByType DEFLATE "application/vnd.ms-fontobject"
        AddOutputFilterByType DEFLATE "application/x-font-ttf"
        AddOutputFilterByType DEFLATE "application/x-javascript"
        AddOutputFilterByType DEFLATE "font/eot"
        AddOutputFilterByType DEFLATE "font/opentype"
        AddOutputFilterByType DEFLATE "font/ttf"
        AddOutputFilterByType DEFLATE "font/otf"
        AddOutputFilterByType DEFLATE "font/collection"
        AddOutputFilterByType DEFLATE "image/bmp"
        AddOutputFilterByType DEFLATE "image/svg+xml"
        AddOutputFilterByType DEFLATE "image/vnd.microsoft.icon"
        AddOutputFilterByType DEFLATE "image/x-icon"
        AddOutputFilterByType DEFLATE "text/css"
        AddOutputFilterByType DEFLATE "text/html"
        AddOutputFilterByType DEFLATE "text/javascript"
        AddOutputFilterByType DEFLATE "text/plain"
    </IfModule>
    <IfModule mod_mime.c>
        AddEncoding gzip              svgz
    </IfModule>
</IfModule>
<IfModule mod_expires.c>
    ExpiresActive on
    ExpiresByType text/css                              "access plus 1 year"
    ExpiresByType image/vnd.microsoft.icon              "access plus 1 year"
    ExpiresByType image/x-icon                          "access plus 1 year"
    ExpiresByType application/javascript                "access plus 1 year"
    ExpiresByType application/x-javascript              "access plus 1 year"
    ExpiresByType text/javascript                       "access plus 1 year"
    ExpiresByType audio/ogg                             "access plus 1 month"
    ExpiresByType image/bmp                             "access plus 1 month"
    ExpiresByType image/gif                             "access plus 1 month"
    ExpiresByType image/jpeg                            "access plus 1 month"
    ExpiresByType image/png                             "access plus 1 month"
    ExpiresByType image/svg+xml                         "access plus 1 month"
    ExpiresByType image/webp                            "access plus 1 month"
    ExpiresByType video/mp4                             "access plus 1 month"
    ExpiresByType video/ogg                             "access plus 1 month"
    ExpiresByType video/webm                            "access plus 1 month"
    ExpiresByType application/vnd.ms-fontobject         "access plus 1 month"
    ExpiresByType font/eot                              "access plus 1 month"
    ExpiresByType font/opentype                         "access plus 1 month"
    ExpiresByType application/x-font-ttf                "access plus 1 month"
    ExpiresByType application/font-woff                 "access plus 1 month"
    ExpiresByType application/x-font-woff               "access plus 1 month"
    ExpiresByType font/woff                             "access plus 1 month"
    ExpiresByType application/font-woff2                "access plus 1 month"

    # Tipi RFC 8081, standard dal 2017. I nomi precedenti restano qui sopra:
    # se il tipo di un file arriva da un'altra configurazione del server, deve
    # continuare a scadere come prima.
    ExpiresByType font/ttf                              "access plus 1 month"
    ExpiresByType font/otf                              "access plus 1 month"
    ExpiresByType font/collection                       "access plus 1 month"
    ExpiresByType font/woff2                            "access plus 1 month"
</IfModule>
<IfModule mod_headers.c>
    Header unset ETag
</IfModule>

# Cache-Control: immutable dice al browser di non rivalidare nemmeno al ricarico
# della pagina. Applicarlo a tutto sarebbe rischioso: un file modificato senza
# cambiare URL resterebbe quello vecchio per un anno.
#
# Viene quindi applicato solo agli asset con "ver=" nella query string, che e'
# esattamente il caso di cio' che WordPress accoda: l'URL cambia quando cambia il
# contenuto, quindi non rivalidare non costa nulla.
<IfModule mod_setenvif.c>
    SetEnvIf Query_String "(^|&)ver=" SPEEDUP_VERSIONED_ASSET
</IfModule>

<IfModule mod_headers.c>
    Header set Cache-Control "public, max-age=31536000, immutable" env=SPEEDUP_VERSIONED_ASSET
</IfModule>

FileETag None