# do not mess with the subdomains
# (I’ve named them with folders starting with “_”)
RewriteEngine on
RewriteRule ^_ - [L]
DirectorySlash off
DirectoryIndex index.html index.cgi

# this ‘feature’ drove me absolutely insane!
# without this, Apache will give a 404 for a rewrite if a folder of the same name does not exist (e.g. “/blog/hello”)
# <webmasterworld.com/apache/3808792.htm>
Options -MultiViews +Indexes

# allow you guys to see this file
<Files .htaccess>
	allow from all
</Files>

# error messages:
ErrorDocument 404 /404

# additional filetypes
# --------------------------------------------------------------------------------------------------------------------------
# HTML5 video / audio:
AddType video/ogg .ogv
AddType audio/ogg .oga
AddType video/mp4 .mp4

AddType text/html .html5		# .html5 files are gzipped HTML documents ready to serve
AddType text/css .csz			# gzip’d CSS file
AddType font/ttf .ttf .ttz		# `@font-face` font embedding. I’ve gzip’d fonts into a “ttz” filetype too
AddType image/svg+xml .svg .svz		# SVG file (used for SVG fonts), “svz” gzip’d SVG file
AddType application/rss+xml .rsz	# gzip’d RSS file
AddType text/xml .xmz			# gzip’d XML sitemap

# compressed cache
AddEncoding gzip .html5 .csz .ttz .svz .rsz .xmz

# force utf-8 for a number of file formats:
AddDefaultCharset utf-8
AddCharset utf-8 .rem .html5 .css .csz .rsz .js

# caching
# --------------------------------------------------------------------------------------------------------------------------
FileETag MTime Size
<IfModule mod_expires.c>
	ExpiresActive on
	ExpiresDefault "access plus 24 hours"
	ExpiresByType text/html			"access plus 1 hour"
	ExpiresByType application/rss+xml	"access plus 1 hour"
	ExpiresByType image/png			"access plus 1 week"
	ExpiresByType image/jpg			"access plus 1 week"
	ExpiresByType image/jpeg		"access plus 1 week"
	ExpiresByType video/ogg			"access plus 1 week"
	ExpiresByType audio/ogg			"access plus 1 week"
	ExpiresByType video/mp4			"access plus 1 week"
	ExpiresByType image/x-icon		"access plus 3 months"
	ExpiresByType font/ttf			"access plus 3 months"
	ExpiresByType image/svg+xml		"access plus 3 months"
</IfModule>



# to seperate content / code webroot is pure content, and the site’s code / design is all within ‘/.system/’
RewriteRule ^robots.txt$  /.system/robots.txt [NC,L]
RewriteRule ^favicon.ico$ /.system/design/favicon.ico [NC,L]
RewriteRule ^apple-touch-icon.png$ /.system/design/apple-touch-icon.png [L]

RewriteRule ^sitemap$ /.system/sitemap.xmz [L]


# mistakes: I make a lot of them, these are here to correct them. move along, nothing to see here...
# ==========================================================================================================================
# should not have used a period in the folder names for the old verisons of the site
RewriteRule ^code/files/0\.(\d)(.*)$ /code/archive/0_$1$2 [R=301,L]
# for a brief period the RSS was mapped as "/rss/<category>" instead of "/<category>/rss" and this change has plagued me
# since. despite sending 301 (permenant redirection), some readers don't update themselves accordingly
RewriteRule ^rss/([a-z0-9-]+)?$ /$1/rss [R=301,L]
# chose a bad name for the remarkable folder that didn’t match the case of the article
RewriteRule ^code/(?:files/)?ReMarkable/(.*)$ /code/remarkable/$1 [R=301,L]
# ==========================================================================================================================
# legacy: corrections for how previous versions of the website worked, you can ignore this...
# ==========================================================================================================================
# I changed the ‘tweet’ section to ‘quote’
RewriteRule ^tweet/(.*)$ /quote/$1 [R=301,L]
# links to the HTML used to be ‘.xhtml’ files, now ‘.html5’ because I dropped XML
RewriteRule ^(.*)\.xhtml$ /$1.html5 [R=301,L]
# support files for articles were held in a folder called 'files', but are now held in a folder with the same name as the
# article. e.g. ‘/code/video_for_everybody’ is the article, and ‘/code/video_for_everybody/’ is the folder with images &c.
RewriteRule ^([-a-z]+)/files/(.*)?$ /$1/$2 [R=301,L]
# don’t have page numbers anymore
RewriteRule ^([a-z0-9-]+/)?\d{1,2}$ /$1 [R=301,L]
# redirect the old source code pages to the archive (v0.1)
RewriteRule ^code/(code|content|database|shared)\.php /code/archive/0_1/$1.php [R=301,L]
# tannerhelland.com used to be hosted here
RewriteRule ^System/RSS/TannerHelland/(News|MusicReleases).xml$ http://www.tannerhelland.com/feed/ [R=301,NC,L]
RewriteRule ^TannerHelland/.*$ http://tannerhelland.com/ [R=301,NC,L]
# theraje.com was temporarily in a subfolder, now in a subdomain
RewriteRule ^(?:theraje.php)$ http://theraje.camendesign.com [R=301,NC,L]
# put any querystring through index.php (legacy v0.1 URL redirector)
RewriteCond %{QUERY_STRING} .+
RewriteCond %{REQUEST_URI} ^/$
RewriteRule ^ /.system/legacy.php [L]
# ==========================================================================================================================



# compressed CSS / RSS
# --------------------------------------------------------------------------------------------------------------------------
# use the compressed CSS if in cache, if not, cache it
RewriteCond %{REQUEST_URI} ^/design/$
RewriteCond %{DOCUMENT_ROOT}/.cache/design.csz -F
RewriteRule ^design/$ /.cache/design.csz [L]
RewriteRule ^design/$ /.system/article.php?article=.system/design/design.css [L]
RewriteRule ^design/(.*)$ /.system/design/$1 [L]

# give the compressed RSS file for the given directory
# if the file exists in the cache use that, if not, pass to the PHP to generate
RewriteCond %{REQUEST_URI} ^/([a-z0-9-]+/)?rss$
RewriteCond %{DOCUMENT_ROOT}/.cache/%1rss.rsz -F
RewriteRule ^([a-z0-9-]+/)?rss$ /.cache/$1rss.rsz [L]
RewriteRule ^(?:([a-z0-9-]+)/)?rss$ /.system/rss.php?category=$1 [L]


# PHP source
# --------------------------------------------------------------------------------------------------------------------------
# you can view the source of all the PHP files on the site due to the distinction that no PHP files are called directly by
# name in the site, instead all PHP is executed via some kind of RewriteRule. therefore we make it that any direct visit to
# a PHP file shows in plain text, but rewrites execute the PHP instead
RewriteRule ^php$ /.system/ [L,R]

# any direct request for a PHP file will return the source code:
# unfortunately this does not work when running PHP as a CGI module, we use ‘view-source.php’ instead
RewriteCond %{THE_REQUEST} \.php(\?.*)?\ HTTP
RewriteRule ^.*(?<!view-source)\.php$ /.system/view-source.php?file=$0 [L]
## you can use this instead of the line above if not using PHP-CGI
##RewriteRule ^ - [T=text/plain,L]


# article content
# --------------------------------------------------------------------------------------------------------------------------
# requesting a tag page (e.g. “/blog/”) - show the latest article
# rewrite to “…/latest”, which will be checked against cache below, and processed accrodingly by article.php
RewriteRule ^([a-z0-9-]+/)?$ /$1latest [PT]

#editing an article?
RewriteRule ^((?:[a-z0-9-]+/)?[a-z0-9_-]+):edit$ /.system/edit.php?article=$1.rem [L]

# requesting an article? (e.g. “/blog/hello”)
# first check if the file exists in the cache
RewriteCond %{REQUEST_URI} ^(/(?:[a-z0-9-]+/)?[a-z0-9_-]+)(\.html5)?$
RewriteCond %{DOCUMENT_ROOT}/.cache%1.html5 -F
RewriteRule ^((?:[a-z0-9-]+/)?[a-z0-9_-]+)(\.html5)?$ /.cache/$1.html5 [L]
RewriteRule ^((?:[a-z0-9-]+/)?[a-z0-9_-]+)(\.html5)?$ /.system/article.php?article=$1.rem [L]

# if the URL contains the “.html5”, show the source code
RewriteCond %{THE_REQUEST} \b.*?\.html5\b
RewriteRule ^ - [T=text/plain,L]


# directory browsing (under construction)
# --------------------------------------------------------------------------------------------------------------------------
##RewriteRule ^(?:(\.(?!\.)|[-a-z0-9_])+\/)*$ /.system/dir.php?path=$0 [L]


# stop hotlinking
# --------------------------------------------------------------------------------------------------------------------------
# outright block access to the following files
# (too many people getting Video for Everybody wrong and hotlinking my files)
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^https?://(fever\..*|([a-z0-9]+\.)?(camendesign|osnews|google|yahoo|bloglines)((\.[a-z]+){1,2})?|.*/fever)/ [NC]
RewriteRule \.(swf|og[agv]|mp4|m4v|ttf|ttz|svg|svz)$ - [F,L]

# don’t get stuck in a loop
RewriteRule ^\.cache/ - [L]

# allowed domains
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^https?://(fever\..*|([a-z0-9]+\.)?(camendesign|osnews|google|yahoo|bloglines)((\.[a-z]+){1,2})?|.*/fever)/ [NC]
RewriteCond %{REQUEST_URI} ^.*(?<!_preview)\.(jpe?g|png)$
RewriteCond %{DOCUMENT_ROOT}/.cache%0 -F
RewriteRule ^.*(?<!_preview)\.(jpe?g|png)$ /.cache/$0 [L]

RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^https?://(fever\..*|([a-z0-9]+\.)?(camendesign|osnews|google|yahoo|bloglines)((\.[a-z]+){1,2})?|.*/fever)/ [NC]
RewriteRule ^.*(?<!_preview)\.(jpe?g|png)$ /.system/hotlink.php?image=$0 [L]