ref: 69516a33b9d9aaecec2b4656cea706e49029305e
dir: /bin/controller.rc/
#!/usr/local/plan9/bin/rc
path=(. ./bin $PLAN9/bin /bin/ /usr/bin)
uri = `{echo -n $REQUEST_URI | sed -e 's/\?.*//; s/[^a-zA-Z0-9_+\-\/\.]//g; s/\.\.*/./g;' -e '1q'}
ifs='/' {
args = `{echo -n $uri}
}
cd ..
# default config
formatter=markdown.pl
formatter=md_cache # markdown cacher
site=$SERVER_NAME
sitedir=sites/$site
headers=inc/headers.tpl
template=_default
sidebar=sidebar
baseuri=http://$site/
for(i in siteTitle siteSubTitle title extraHeaders)
$i = ''
# Useful functions
fn dprint {
echo $* >[1=2]
}
fn perm_redirect {
echo 'Status: 301 Moved Permanantly
Location: '^$1^'
'
exit
}
fn get_inc_file {
wantedfile = $1
if (test -f $sitedir/_inc/$wantedfile)
echo -n $sitedir/_inc/$wantedfile
if not if(test -f sites/$masterSite/_inc/$wantedfile)
echo -n sites/$masterSite/_inc/$wantedfile
if not if (test -f inc/$wantedfile)
echo -n inc/$wantedfile
}
# Title
fn gentitle {
echo '<h1 class="headerTitle"><a href="/">' ^ $"siteTitle ^ ' <span id="headerSubTitle">' ^ $"siteSubTitle ^ '</span></a></h1>'
}
# Don't change var name or trailing ';', some dirs change the filter!
dirfilter = '/\/[._]/d; s,^\./,,; s,\.md$,,; s,\.html,,; '
# To be used from _config files
fn hide_paths {
for(i in $*) {
dirfilter = $dirfilter^'/^'$i'$/d; '
}
}
# Sidebar
fn menu {
lsArgs = ('-F')
# XXX will not work properly for $#blogDirs > 1 and matching is hackish
# XXX Work in progress, doesn't work well enough to be usable: too inconsistent, doesn't handle corner cases well at all
#if ( ! ~ $#blogDirs 0 && ~ $blogDirs^/ *$1 *$1/ ) {
# lsArgs = ($lsArgs -r)
#}
ls $lsArgs $1 | sed $dirfilter | awk -F/ '
BEGIN { print "<ul class=\"sidebar\">" }
END { print "</ul>" }
# Should add \. to the list of allowed chars in file names, but need to find a way to filter out .txt and so on
/^([a-zA-Z0-9+_\-]+[\/*]?)+$/ && $NF != "index" {
isdir = match($0, "/$")
sub("[*/]$", "")
path = bname = $0
sub("^(.*/)?([0-9]+_)?", "", bname)
gsub("_", " ", bname)
if(isdir) {
bname = bname "/"
path = $0 "/"
}
if(index(ENVIRON["REQUEST_URI"] "/", "/" path) == 1) {
if(isdir) {
print "<li><a href=\"/" path "\" class=\"thisPage\">»<i> " bname "</i></a>"
system("rc -c ''menu " path "''")
} else {
print "<li><a href=\"/" path "\" class=\"thisPage\">»<i> " bname "</i></a>"
}
} else
print "<li><a href=\"/" path "\">› " bname "</a>"
print "</li>"
}'
}
fn gensidebar {
@{
cd $sitedir
menu .
}
}
fn sortedBlogPostList {
# the /./ is added so we can sort -t. and order only the file name
if (! ~ $#* 0)
ls $*^'/./' | grep '/[0-9]+.*\.md$'| sort -r -t. +1
}
fn blogTitle {
title=`{basename $1 | sed 's/^[0-9\-]*_(.*)\.md$/\1/; s/_/ /g' }
permlink= `{echo $1 | sed 's,^/[a-z/]*www/,/,; s,^sites/[^/]*/*/,/,; s/\.md$//' }
du=`{ls -l $1}
echo '##<a href="'^$"permlink^'">' $"title^'</a> *('By $du(4) Last mod: $du(7 8 9) ')*'
}
# Handlers
fn set_handler {
handler = $1
shift
handler_args = $*
}
fn md_handler {
cat $* | $formatter
}
fn tpl_handler {
template.awk $1 | rc $rcargs
}
fn html_handler {
cat $1 | /bin/sed '0,/<[Bb][Oo][Dd][Yy][^>]*>/d; /<\/[Bb][Oo][Dd][Yy]>/,$d'
}
fn txt_handler {
echo '<pre>'
# XXX Insering a blank line between lines in input is good for fortunes.txt, but maybe not for other .txt files
# XXX Words are not broken, even if they are way beyond 82 chars long
cat $1 |sed 's/$/\n/g; s/</\>/g; s/>/\</g' |fmt -l 82 -j
echo '</pre>'
}
fn dir_listing_handler {
body = $1
echo '<h1 style="text-transform: capitalize;">' `{basename -d $body|sed -e 's,.*//,,g' -e 's,/$,,' -e 's,/, / ,g' } '</h1>'
echo '<ul style="text-transform: capitalize;">'
ls -F `{ basename -d $body } | sed -e $dirfilter' s,^'$sitedir'/.*/([^$].*),<li><a href="\1">\1</a></li>,'
echo '</ul>'
}
fn 404_handler {
template.awk `{get_inc_file 404.tpl } | rc $rcargs
}
fn blog_dir_handler {
blogDirs = $*
if (! ~ $blogTitle '')
echo '<h1>'$"blogTitle'</h1>' #" stupid vim syntax highlighting ;P
echo '<div style="text-align:right">(<a href="index.rss">rss feed</a>)</div>'
for (f in `{ sortedBlogPostList $blogDirs }) {
#title=`{basename $f | sed 's/^[0-9\-]*_(.*)\.md$/\1/; s/_/ /g' }
#du=`{ls -l $f}
#echo '##' $title '*('By $du(4) Last mod: $du(7 8 9) ')*'
blogTitle $f
cat $f
echo
} | $formatter
}
fn blog_post_handler {
blogTitle $1 | $formatter
$formatter < $1
}
fn quote_html {
sed 's/</\</g; s/>/\>/g'
}
fn debug_handler {
echo '<pre>'
env |quote_html
echo '</pre>'
}
fn select_handler {
dprint $body
if (test -f $body.md) {
if (! ~ $#inBlog 0)
set_handler blog_post_handler $body.md
if not
set_handler md_handler $body.md
}
if not if (~ $body */_debug)
set_handler debug_handler
if not if (test -f $body.tpl)
set_handler tpl_handler $body.tpl
if not if (test -f $body.html)
set_handler html_handler $body.html
# Handle eplicit .html urls, this should not happen (the web server will usually handle this anyway)
# XXX We probably should setup a permanent redirect to $body|sed 's/.html$//' here
if not if (~ $body *.html && test -f $body)
set_handler html_handler $body
# This should probably be merged with the blog_dir_handler
if not if (~ $body */[bB]log/index */[bB]log//index && ~ $#blogDirs 0)
blogDirs = `{basename -d $body}
# Global tpl (eg sitemap.tpl)
if not if (test -f pub/^$uri^.tpl)
set_handler tpl_handler pub/^$uri^.tpl
if not if (test -f $body.txt)
set_handler txt_handler $body.txt
# Dir listing
if not if(~ $body */index && ~ $#blogDirs 0)
set_handler dir_listing_handler $body
# File not found
if not if(~ $#blogDirs 0) {
set_handler 404_handler $body
dprint 'NOT FOUND: '$SERVER_NAME^$REQUEST_URI^' - '^$"HTTP_REFERER^' - '^$"HTTP_USER_AGENT
echo 'Status: 404 Not Found\n\n'
}
if(! ~ $#blogDirs 0)
set_handler blog_dir_handler $blogDirs
}
fn genbody {
# Actually execute request
$handler $handler_args
}
. etc/initrc
if(! ~ $#debug 0)
dprint ' ' $SERVER_NAME^$REQUEST_URI^' - '^$"HTTP_USER_AGENT
if (! ~ $args '') {
if (~ $args($#args) 'index')
perm_redirect `{ echo $REQUEST_URI | sed 's,/index$,/,' }
#title=$args($#args)
title=$args
title=`{echo $title | sed -e 's/ / - /g' -e 's/_/ /g' }
body=$uri
}
if not {
body='/'
}
fpath=$sitedir
for (i in ('' $args)) {
fpath = $fpath/$i
# We don't want blog settings to cascade into posts, note that we are inBlog instead
if (! ~ $#blogDirs 0 && ! ~ $body */index.rss */[bB]log */[bB]log/) {
inBlog = $blogDirs
blogDirs = ()
}
if (test -f $fpath/_config)
. $fpath/_config
if (~ $#blogDirs 0 && ~ $#inBlog 0 && ~ $i [Bb]log)
inBlog = 'yes'
}
# Redirections and other preprocessing
if (~ $#redirectPermanent 1)
perm_redirect $"redirectPermanent
if not if (~ $#redirectPermanent 2 && {echo $SERVER_NAME^$REQUEST_URI|grep -s $redirectPermanent(1) }) {
# Experimental regexp sub-based redirect, probably should find a nicer interface
# For now only used at sites/harmful.cat-v.org/software/OO_programming/_config
to=`{echo $SERVER_NAME^$REQUEST_URI|sed 's|'^$redirectPermanent(1)^'|'^$redirectPermanent(2)^'|'}
if(! ~ $to $REQUEST_URI)
perm_redirect $to
}
# Template/body selection
template=$sitedir/$template.tpl
body=$sitedir/$body
rssuri=$uri
if (test -d $body) {
if(! ~ $body */)
perm_redirect $REQUEST_URI^'/'
body=$body/index
rssuri=$rssuri/
}
if(! ~ $#blogDirs 0 || ! ~ $#inBlog 0) {
rssuri=`{basename -d $uri}
rssuri=$baseuri`{cleanname $"rssuri^/index.rss}
extraHeaders=$"extraHeaders ^ \
'<link rel="alternate" type="application/rss+xml" title="RSS" href="'$rssuri'" />
'
}
select_handler
fn template {
template.awk | rc $rcargs |
awk '{
buf = buf $0"\n"
if(length(buf) > 8192) {
printf "%s", buf
buf = ""
}
}
END{ printf "%s", buf }'
}
if(! ~ $REQUEST_URI */index.rss) {
cat $headers $template | template
echo '</body></html>'
exit
}
# RSS
if (~ $body */[bB]log/index.rss */[bB]log//index.rss && ~ $#blogDirs 0)
blogDirs = `{basename -d $body}
uri = `{echo $uri | sed 's/index.rss$//'}
uri=$baseuri$"uri
fn statpost {
f = $1
uri = `{echo $f | sed 's,^'$sitedir',,'}
title=`{basename $f | sed 's/^[0-9\-]*_(.*)\.md$/\1/; s/_/ /g' }
date=`{/bin/date -Rd `{basename $f |sed 's/(^[0-9\-]*).*/\1/; s/-[0-9]$//'}}
stat=`{stat -c '%Y %U' $f}
#mdate=`{/bin/date -Rd $stat(1)} # Not used because it is unreliable
uri=$baseuri^`{cleanname `{echo -n $uri | sed 's/\.(md|tpl)//g'}}
by=$stat(2)
ifs=() {
summary=`{awk -v max'='1024 '{
nc += 1 + length;
if(nc > max) {
print substr($0, 1, nc - max) "..."
exit
}
print
}' $f |fmt -j| sed 's/\]\]>/Fucking goddamn XML garbage/g'}
}
}
cat pub/feeds/rss20.tpl | template