372 lines
10 KiB
Bash
Executable File
372 lines
10 KiB
Bash
Executable File
#!/usr/local/plan9/bin/rc
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. ./cgilib.rc
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cd ..
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forbidden_uri_chars='[^a-zA-Z0-9_+\-\/\.]'
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response_format=html
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fn get_lib_file {
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wantedfile = $1
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if (test -f $sitedir/_werc/lib/$wantedfile)
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echo -n $sitedir/_werc/lib/$wantedfile
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if not if(! ~ $masterSite 0 && test -f sites/$masterSite/_werc/lib/$wantedfile)
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echo -n sites/$masterSite/_werc/lib/$wantedfile
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if not if (test -f lib/$wantedfile)
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echo -n lib/$wantedfile
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# DEPRECATED
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if not if (~ $#disableDeprecated 0 && test -f $sitedir/_inc/$wantedfile) {
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echo -n $sitedir/_inc/$wantedfile
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dprint DEPRECATION WARNING: Using file in depracted path: $sitedir/_inc/$wantedfile XXX
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}
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if not if(~ $#disableDeprecated 0 && ! ~ $masterSite 0 && test -f sites/$masterSite/_inc/$wantedfile) {
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echo -n sites/$masterSite/_inc/$wantedfile
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dprint DEPRECATION WARNING: Using file in depracted path: sites/$masterSite/_inc/$wantedfile XXX
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}
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if not if (~ $#disableDeprecated 0 && test -f inc/$wantedfile) {
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echo -n inc/$wantedfile
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dprint DEPRECATION WARNING: Using file in depracted path: inc/$wantedfile XXX
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}
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}
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# DEPRECATED
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fn get_inc_file {
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get_lib_file $*
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dprint DEPRECATION WARNING: Called get_inc_file, should call get_lib_file
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}
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# Title
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fn gentitle {
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echo '<h1 class="headerTitle"><a href="/">' ^ $"siteTitle ^ ' <span id="headerSubTitle">' ^ $"siteSubTitle ^ '</span></a></h1>'
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}
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# Don't change var name or trailing ';', some dirs change the filter!
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dirfilter = '/\/[._]/d; /'^$forbidden_uri_chars^'/d; /\/robots.\txt$/d; /\/sitemap\.txt$/d; s,^\./,,; s,\.md$,,; s,\.html,,; s,\.txt,,; '
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# To be used from config files
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fn hide_paths {
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for(i in $*) {
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dirfilter = $dirfilter^'/^'$i'$/d; '
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}
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}
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# Sidebar
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fn menu {
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lsArgs = ('-F')
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# XXX will not work properly for $#blogDirs > 1 and matching is hackish
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# XXX Work in progress, doesn't work well enough to be usable: too inconsistent, doesn't handle corner cases well at all
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#if ( ! ~ $#blogDirs 0 && ~ $blogDirs^/ *$1 *$1/ ) {
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# lsArgs = ($lsArgs -r)
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#}
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ls $lsArgs $1 | sed $dirfilter | awk -F/ '
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BEGIN { print "<ul class=\"side-bar\">" }
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END { print "</ul>" }
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# Should add \. to the list of allowed chars in file names, but need to find a way to filter out .txt and so on
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/^([a-zA-Z0-9+_\-]+[\/*]?)+$/ && $NF != "index" {
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isdir = match($0, "/$")
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sub("[*/]$", "")
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path = bname = $0
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sub("^(.*/)?([0-9]+_)?", "", bname)
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gsub("_", " ", bname)
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if(isdir) {
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bname = bname "/"
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path = $0 "/"
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}
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if(index(ENVIRON["REQUEST_URI"] "/", "/" path) == 1) {
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if(isdir) {
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print "<li><a href=\"/" path "\" class=\"thisPage\">»<i> " bname "</i></a>"
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system("rc -c ''menu " path "''")
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} else {
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print "<li><a href=\"/" path "\" class=\"thisPage\">»<i> " bname "</i></a>"
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}
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} else
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print "<li><a href=\"/" path "\">› " bname "</a>"
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print "</li>"
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}'
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}
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fn gensidebar {
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@{
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cd $sitedir
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menu .
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}
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}
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fn sortedBlogPostList {
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# the /./ is added so we can sort -t. and order only the file name
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if (! ~ $#* 0)
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ls $*^'/./' | grep '/[0-9]+.*\.md$'| sort -r -t. +1
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}
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fn gen_blog_post_title {
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title=`{basename $1 | sed 's/^[0-9\-]*_(.*)\.md$/\1/; s/_/ /g' }
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permlink= `{echo $1 | sed 's,^/[a-z/]*www/,/,; s,^sites/[^/]*/*/,/,; s/\.md$//' }
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du=`{ls -l $1}
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by = ''
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if (! ~ $#blogAuthor 0)
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by='By '$"blogAuthor
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if not if (~ $#blogDirs 1)
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by='By '$du(4)
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echo '##<a href="'^$"permlink^'">' $"title^'</a> *( '$by Last mod: $du(7 8 9) ' )*'
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}
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# Handlers
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fn set_handler {
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handler = $1
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shift
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handler_args = $*
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}
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fn md_handler { cat $* | $formatter }
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fn tpl_handler { template $1 }
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fn html_handler {
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cat $1 | /bin/sed '0,/<[Bb][Oo][Dd][Yy][^>]*>/d; /<\/[Bb][Oo][Dd][Yy]>/,$d'
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}
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fn txt_handler {
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echo '<pre>'
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# XXX Insering a blank line between lines in input is good for fortunes.txt, but maybe not for other .txt files
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# XXX Words are not broken, even if they are way beyond 82 chars long
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cat $1 |sed 's/$/\n/g; s/</\</g; s/>/\>/g' |fmt -l 82 -j
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echo '</pre>'
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}
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fn dir_listing_handler {
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body = $1
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echo '<h1 style="text-transform: capitalize;">' `{basename -d $body|sed -e 's,.*//,,g' -e 's,/$,,' -e 's,/, / ,g' } '</h1>'
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echo '<ul style="text-transform: capitalize;">'
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ls -F `{ basename -d $body } | sed -e $dirfilter' s,^'$sitedir'/.*/([^$].*),<li><a href="\1">\1</a></li>,'
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echo '</ul>'
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}
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fn 404_handler { template `{get_lib_file 404.tpl } }
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fn blog_dir_handler {
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blogDirs = $*
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if (! ~ $blogTitle '')
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echo '<h1>'$"blogTitle'</h1>' #" stupid vim syntax highlighting ;P
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echo '<div style="text-align:right">(<a href="index.rss">rss feed</a>)</div>'
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for (f in `{ sortedBlogPostList $blogDirs }) {
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gen_blog_post_title $f
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cat $f
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echo
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} | $formatter
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}
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fn blog_post_handler {
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gen_blog_post_title $1 | $formatter
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$formatter < $1
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}
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fn quote_html {
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sed 's/</\</g; s/>/\>/g'
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}
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fn debug_handler {
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echo '<pre>'
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env | quote_html
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echo ---------------------
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umask
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echo '</pre>'
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}
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fn select_handler {
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if (test -f $body.md) {
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if (! ~ $#inBlog 0)
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set_handler blog_post_handler $body.md
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if not
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set_handler md_handler $body.md
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if (! ~ $#allowComments 0 && ~ $REQUEST_METHOD POST) {
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get_post_args comment_user_name comment_text
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ddir = $body.md_werc/comments/
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umask 002
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mkdir -m 775 -p $ddir
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d = `{date -n} # Obvious race
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{ echo '% user_name='^$comment_user_name'
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'^$comment_text } > $ddir/$d.rec
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}
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}
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if not if (~ $body */_debug)
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set_handler debug_handler
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if not if (test -f $body.tpl)
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set_handler tpl_handler $body.tpl
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if not if (test -f $body.html)
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set_handler html_handler $body.html
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# Handle explicit .html urls, this should not happen (the web server will usually handle this anyway)
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# XXX We probably should setup a permanent redirect to $body|sed 's/.html$//' here
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if not if (~ $body *.html && test -f $body)
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set_handler html_handler $body
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# Blog handler
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if not if (~ $body */[bB]log/index */[bB]log//index || ! ~ $#blogDirs 0) {
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if (~ $#blogDirs 0)
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blogDirs = `{basename -d $body}
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rssuri=`{basename -d $uri}
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rssuri=$baseuri`{cleanname $"rssuri^/index.rss}
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extraHeaders=$"extraHeaders ^ \
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'<link rel="alternate" type="application/rss+xml" title="RSS" href="'$rssuri'" />
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'
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set_handler blog_dir_handler $blogDirs
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}
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# Rss feeds. TODO: we should check that the request is for a real blog dir
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if not if (~ $REQUEST_URI */index.rss) {
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uri = `{echo $uri | sed 's/index.rss$//'}
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if (~ $blogDirs 0)
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blogDirs = $sitedir^$uri
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uri=$baseuri$"uri
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master_template=feeds/rss20.tpl
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response_format=raw
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}
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# Global tpl (eg sitemap.tpl)
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if not if (test -f lib/^$uri^.tpl)
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set_handler tpl_handler lib/^$uri^.tpl
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if not if (test -f $body.txt)
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set_handler txt_handler $body.txt
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# Dir listing
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if not if(~ $body */index)
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set_handler dir_listing_handler $body
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# File not found
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if not {
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set_handler 404_handler $body
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dprint 'NOT FOUND: '$SERVER_NAME^$REQUEST_URI^' - '^$"HTTP_REFERER^' - '^$"HTTP_USER_AGENT
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echo 'Status: 404 Not Found'
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}
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}
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fn genbody {
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# Actually execute request
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$handler $handler_args
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}
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# Careful, the proper p9p path might not be set until initrc.local is sourced
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path=(. $PLAN9/bin ./bin/ /bin/ /usr/bin)
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site=$SERVER_NAME
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headers=lib/headers.tpl
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master_template=default_master.tpl
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sidebar=sidebar
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baseuri=http://$site/
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for(i in siteTitle siteSubTitle pageTitle extraHeaders)
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$i = ''
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. etc/initrc
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if(test -f etc/initrc.local)
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. etc/initrc.local
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# Parse request URL
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uri = `{echo -n $REQUEST_URI | sed -e 's/\?.*//; s/'^$forbidden_uri_chars^'//g; s/\.\.*/./g;' -e '1q'}
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ifs='/' {
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args = `{echo -n $uri}
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}
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if(! ~ $#debug 0)
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dprint ' ' $SERVER_NAME^$REQUEST_URI^' - '^$"HTTP_USER_AGENT
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if (! ~ $args '') {
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if (~ $args($#args) 'index')
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perm_redirect `{ echo $REQUEST_URI | sed 's,/index$,/,' }
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pageTitle=`{echo $args | sed -e 's/ / - /g' -e 's/_/ /g'}
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body=$uri
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}
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if not {
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body='/'
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}
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fpath=$sitedir
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for (i in ('' $args)) {
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fpath = $fpath/$i
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# We don't want blog settings to cascade into posts, note that we are inBlog instead
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if (! ~ $#blogDirs 0 && ! ~ $body */index.rss */[bB]log */[bB]log/) {
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inBlog = $blogDirs
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blogDirs = ()
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}
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if (test -f $fpath/_config)
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. $fpath/_config # DEPRECATED
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if (test -f $fpath/_werc/config)
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. $fpath/_werc/config
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if (~ $#blogDirs 0 && ~ $#inBlog 0 && ~ $i [Bb]log)
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inBlog = 'yes'
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}
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# Redirections and other preprocessing
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if (~ $#redirectPermanent 1)
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perm_redirect $"redirectPermanent
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if not if (~ $#redirectPermanent 2 && {echo $SERVER_NAME^$REQUEST_URI|grep -s $redirectPermanent(1) }) {
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# Experimental regexp sub-based redirect, probably should find a nicer interface
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# For now only used at sites/harmful.cat-v.org/software/OO_programming/_config
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to=`{echo $SERVER_NAME^$REQUEST_URI|sed 's@'^$redirectPermanent(1)^'@'^$redirectPermanent(2)^'@'}
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if(! ~ $to $REQUEST_URI)
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perm_redirect $to
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}
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# Set Page title
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if(~ $pageTitle '')
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pageTitle=$siteTitle^' '^$siteSubTitle
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if not
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pageTitle=$"pageTitle^' | '^$"siteTitle^' '^$"siteSubTitle
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body=$sitedir/$body
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if (test -d $body) {
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if(! ~ $body */)
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perm_redirect $REQUEST_URI^'/'
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body=$body/index
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}
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select_handler
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# Template/body selection
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master_template= `{get_lib_file $master_template}
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if(~ $master_template 0) {
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dprint DEPRECATION WARNING: using $sitedir/_default.tpl, should move to _werc/lib/XXX
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master_template=$sitedir/_default.tpl
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}
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if(~ $response_format html) {
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# Is awk_buffer really useful?
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template $headers $master_template | awk_buffer
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echo '</body></html>'
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}
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if not if (~ $response_format raw) {
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template < $master_template
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}
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