#!/usr/local/plan9/bin/rc cd .. # Useful functions fn dprint { echo $* >[1=2] } fn perm_redirect { echo 'Status: 301 Moved Permanantly Location: '^$1^' ' exit } fn get_lib_file { wantedfile = $1 if (test -f $sitedir/_werc/lib/$wantedfile) echo -n $sitedir/_werc/lib/$wantedfile if not if(! ~ $masterSite 0 && test -f sites/$masterSite/_werc/lib/$wantedfile) echo -n sites/$masterSite/_werc/lib/$wantedfile if not if (test -f lib/$wantedfile) echo -n lib/$wantedfile # DEPRECATED if (test -f $sitedir/_inc/$wantedfile) { echo -n $sitedir/_inc/$wantedfile dprint DEPRECATION WARNING: Using file in depracted path: $sitedir/_inc/$wantedfile XXX } if not if(! ~ $masterSite 0 && test -f sites/$masterSite/_inc/$wantedfile) { echo -n sites/$masterSite/_inc/$wantedfile dprint DEPRECATION WARNING: Using file in depracted path: sites/$masterSite/_inc/$wantedfile XXX } if not if (test -f inc/$wantedfile) { echo -n inc/$wantedfile dprint DEPRECATION WARNING: Using file in depracted path: inc/$wantedfile XXX } } # DEPRECATED fn get_inc_file { get_lib_file $* dprint DEPRECATION WARNING: Called get_inc_file, should call get_lib_file } # Title fn gentitle { echo '
'
    # 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 ''
}
fn dir_listing_handler {
    body = $1
    echo ''
    env |quote_html
    echo ''
}
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 $body}
    # Global tpl (eg sitemap.tpl)
    if not if (test -f lib/^$uri^.tpl)
        set_handler tpl_handler lib/^$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'
    }
    if(! ~ $#blogDirs 0)
        set_handler blog_dir_handler $blogDirs
}
fn genbody {
    # Actually execute request
    $handler $handler_args
}
# Careful, the proper p9p path might not be set until initrc.local is sourced
path=(. $PLAN9/bin ./bin/ /bin/ /usr/bin) 
site=$SERVER_NAME
headers=lib/headers.tpl
master_template=default_master.tpl
sidebar=sidebar
baseuri=http://$site/
for(i in siteTitle siteSubTitle pageTitle extraHeaders)
    $i = ''
. etc/initrc
if(test -f etc/initrc.local)
    . etc/initrc.local
# Parse request URL
uri = `{echo -n $REQUEST_URI | sed -e 's/\?.*//; s/[^a-zA-Z0-9_+\-\/\.]//g; s/\.\.*/./g;' -e '1q'}
ifs='/' {
	args = `{echo -n $uri}
}
if(! ~ $#debug 0)
    dprint '  ' $SERVER_NAME^$REQUEST_URI^' - '^$"HTTP_USER_AGENT
if (! ~ $args '') {
    if (~ $args($#args) 'index')
        perm_redirect `{ echo $REQUEST_URI | sed 's,/index$,/,' }
        
    pageTitle=`{echo $args | sed -e 's/ / - /g' -e 's/_/ /g'}
    body=$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 (test -f $fpath/_werc/config)
        . $fpath/_werc/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
}
# Set Page title
if(~ $pageTitle '')
	pageTitle=$siteTitle^' '^$siteSubTitle
if not
	pageTitle=$"pageTitle^' | '^$"siteTitle^' '^$"siteSubTitle
# Template/body selection
master_template= `{get_lib_file $master_template }
# DEPRECATED
if(~ $master_template 0)
    master_template=$sitedir/_default.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 ^ \
    	'
'
}
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 $master_template | template
	echo '