plan9fox/werc/apps/blagh/app.rc
2022-06-30 11:40:21 -04:00

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fn conf_enable_blog {
blagh_uri=$conf_wd
blagh_dirs=$*
if(~ $#blagh_dirs 0)
blagh_dirs=( . )
conf_enable_app blagh
if(~ $"conf_blog_editors '')
conf_blog_editors=blog-editors
if(~ $"conf_max_posts_per_page '')
conf_max_posts_per_page=32
}
fn blagh_init {
if(~ $#blagh_dirs 0 && ~ $req_path */[bB]log/*) {
blagh_uri=`{echo $req_path | sed 's,(/[bB]log/).*,\1,'}
blagh_dirs=( . )
}
# Should not match sub-dirs!
if(! ~ $#blagh_dirs 0) {
# && test -d / `{echo '-a -d '^$blagh_root^$blagh_dirs}
blagh_url=$base_url^$blagh_uri
blagh_root=$sitedir^$blagh_uri
if(check_user $conf_blog_editors) {
editor_mode=on
if(~ $"post_arg_date '')
post_date=`{datei|sed 's,-,/,g'}
if not
post_date=$post_arg_date
ll_add handlers_bar_left echo '<a href="'$blagh_uri'new_post">Make a new post</a>'
}
if(~ $req_path $blagh_uri) {
handler_body_main=blagh_body
u=$blagh_uri'index'
extraHeaders=$"extraHeaders ^ \
'<link rel="alternate" type="application/atom+xml" title="ATOM" href="'$"u'.atom" />
<link rel="alternate" type="application/rss+xml" title="RSS" href="'$"u'.rss" />
<link rel="alternate" type="application/json" title="JSON" href="'$"blagh_uri'feed.json" />'
}
if not if(~ $req_path $blagh_uri^index.atom)
blagh_setup_feed_handlers atom.tpl 'application/atom+xml'
if not if(~ $req_path $blagh_uri^index.rss)
blagh_setup_feed_handlers rss20.tpl 'text/xml; charset=utf-8'
if not if(~ $req_path $blagh_uri^feed.json)
blagh_setup_feed_handlers jsonfeed.tpl 'application/json; charset=utf-8'
if not if(~ $req_path $blagh_uri^new_post && ! ~ $#editor_mode 0) {
handler_body_main=( tpl_handler `{get_lib_file blagh/new_post.tpl apps/blagh/new_post.tpl} )
if(~ $REQUEST_METHOD POST) {
if(mkbpost $"post_arg_body $"post_date $"post_arg_title $post_arg_id)
post_redirect $blagh_uri
if not
notify_errors=$status
}
}
}
}
fn blagh_setup_feed_handlers {
handler_body_main=NOT_USED_by_blagh_feeds
res_tail=()
http_content_type=$2
headers=()
master_template=apps/blagh/$1 # Should we allow tempalte override?
}
fn blagh_body {
if (! ~ $"blogTitle '')
echo '<h1>'$"blogTitle'</h1>'
# Direct links to feeds are disabled because they are not very useful, add clutter and might waste pagerank.
# An user can add this on their own using handlers_body_head anyway.
#echo '<div style="text-align:right">(<a href="index.rss">RSS Feed</a>|<a href="index.atom">Atom Feed</a>)</div>'
# XXX Not sure why this fixes issues with blog setup, probably bug in fltr_cache!
for(p in `{get_post_list $blagh_root^$blagh_dirs}) {
l=`{echo -n $p|sed 's!'$sitedir^'/?(.*)([0-9][0-9][0-9][0-9]/[0-9][0-9]/[0-9][0-9])(/[^/]+/)!\2 /\1\2\3!'}
sed '1s!.*![&]('^$l(2)^') ('^$l(1)^')!' < $p/index.md
echo # Needed extra \n so markdown doesn't mess up the formatting, probably can be done in sed.
} | $formatter
# XXX BUG! Markdown [references] break because multiple markdown documents are merged. Should format each blog post independently.
# TODO: use fltr_cache directly, that can fix the previous bug plus provide a perf boost by caching title generation.
}
fn get_post_list {
# /./->/|/ done to sort -t| and order by date
# Note: $paths in blagh_dirs should not contain '/./' or '|'
ls -F $*^/./[0-9][0-9][0-9][0-9]/[0-9][0-9]/[0-9][0-9]/ >[2]/dev/null | sed -n '/'^$forbidden_uri_chars^'/d; s,/\./,/|/,; /\/$/p' | sort -r '-t|' +1 | sed -e 's,/+\|/+,/,' -e $conf_max_posts_per_page^'q'
}
fn mkbpost {
bptext=$1
bpdate=$2
bptitle=$3
bpid=$4
_status=()
if(~ $"bptext '')
_status=($_status 'You need to provide a post body.')
if(! ~ $"bpdate [0-9][0-9][0-9][0-9]/[0-9][0-9]/[0-9][0-9])
_status=($_status 'Invalid date: '''^$"bpdate^'''') # XXX Should make semantic check.
if(~ $#_status 0) {
umask 002 # Let group write
if(! ~ $"bpid '')
bpid=`{echo -n '-'^$bpid | sed 's/'$forbidden_uri_chars'+/_/g; 1q'}
ddir=$blagh_root^$bpdate^'/'
n=`{ls $ddir >[2]/dev/null |wc -l}
mkdir -p $ddir/$"n^$"bpid/
{
if(! ~ $"bptitle '') {
echo $bptitle
echo '========================================='
}
# TODO: Enable metadata
#echo '* Posted:' `{date}
#if(! ~ $#logged_user 0)
# echo '* Author: '$logged_user
echo
echo $bptext
}> $ddir/$"n^$"bpid/index.md
# Experimental support for http://pubsubhubbub.googlecode.com/
if(! ~ $"conf_blog_pubsubdub_hub '') {
ifs='' { p=`{echo $req_url|sed 's/new_post$/index.atom/'|url_encode } }
dprint hget -p 'hub.mode=publish&hub.url='^$"p $conf_blog_pubsubdub_hub
hget -d -h -p 'hub.mode=publish&hub.url='^$"p $conf_blog_pubsubdub_hub >[1=2] &
}
}
status=$_status
}
fn strip_title_from_md_file {
sed '1N; /^.*\n===*$/N; /.*\n===*\n$/d'
}