2007-05-27 05:25:55 -06:00
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#!/usr/local/plan9/bin/rc
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2008-09-26 06:23:19 -06:00
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. ./cgilib.rc
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2007-05-27 05:25:55 -06:00
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cd ..
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2008-09-25 03:06:14 -06:00
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forbidden_uri_chars='[^a-zA-Z0-9_+\-\/\.]'
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2008-09-24 12:21:32 -06:00
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fn get_lib_file {
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2008-12-19 22:32:37 -07:00
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if(test -f $sitedir/_werc/lib/$1)
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2009-01-04 21:49:45 -07:00
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echo -n $sitedir/_werc/lib/$1
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2008-12-19 18:18:11 -07:00
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if not if(! ~ $#masterSite 0 && test -f $sitesdir/$masterSite/_werc/lib/$1)
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2009-01-04 21:49:45 -07:00
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echo -n $sitesdir/$masterSite/_werc/lib/$1
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2008-12-19 22:32:37 -07:00
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if not if(test -f lib/$1)
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2009-01-04 21:49:45 -07:00
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echo -n lib/$1
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2008-09-04 17:11:14 -06:00
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}
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2008-10-26 17:41:23 -06:00
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# Don't change var name or trailing ';', dirfilter might be changed from _werc/config!
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2009-01-03 23:57:13 -07:00
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# ls -F style input of the form: $sitedir/path/to/files/
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# <ls -F+x><symlink hack><Useless?><hiden files >
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dirfilter='s/\*$//; s,/+\./+,/,g; s,^\./,,; /\/[._][^\/]/d; /'^$forbidden_uri_chars^'/d; /^\/(robots|sitemap)\.txt$|\/index\.(md|html|txt|tpl)$/d; /_werc\/?$/d; '
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2009-01-02 18:02:50 -07:00
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dirclean=' s/\.(md|html|txt)$//; '
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2008-07-04 20:32:29 -06:00
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2008-09-24 12:21:32 -06:00
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# To be used from config files
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2008-07-04 20:32:29 -06:00
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fn hide_paths {
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2008-10-13 17:13:00 -06:00
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for(i in $*)
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2008-12-19 22:32:37 -07:00
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dirfilter=$dirfilter^'/^'$i'$/d; '
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2008-07-04 20:32:29 -06:00
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}
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2007-06-03 21:26:58 -06:00
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2007-05-27 20:07:40 -06:00
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# Sidebar
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2009-01-16 19:05:19 -07:00
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fn nav_tree {
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if(! ~ $#sideBarNavTitle 0)
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echo '<p class="sideBarTitle">'$"sideBarNavTitle':</p>'
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2008-12-28 03:51:03 -07:00
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# Ignore stderr, last path element might be a file that doesn't exist (eg., foo for foo.md)
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2009-01-03 23:57:13 -07:00
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# /./ to deal with p9p's ls failure to follow dir symlinks otherwise
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2009-01-04 21:46:37 -07:00
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ls -F $sitedir/./$req_paths_list >[2]/dev/null \
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| sed 's!^'$sitedir'!!; '^$dirfilter^'/\/[^_.\/][^\/]*(\.(md|txt|html)|\/)$/!d; '^$dirclean \
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| sort -u | awk -F/ '
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2009-01-04 21:48:23 -07:00
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function p(x, y, s) { for(i=0; i < x-y; i+=1) print s }
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2009-01-02 18:02:50 -07:00
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{
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2008-10-26 17:41:23 -06:00
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d = ""
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if(match($0, "/$"))
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d = "/"
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sub("/$", "") # Strip trailing / for dirs so NF is consistent
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2007-05-27 20:07:40 -06:00
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2008-10-26 17:41:23 -06:00
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p(NF, lNF, "<ul class=\"side-bar\">")
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p(lNF, NF, "</ul>")
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lNF = NF
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2007-05-27 20:07:40 -06:00
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2008-10-26 17:41:23 -06:00
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bname = $NF d
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2008-12-19 21:46:41 -07:00
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path = $0 d
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2008-10-26 17:41:23 -06:00
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gsub("_", " ", bname)
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2008-12-28 15:40:57 -07:00
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if(index(ENVIRON["req_path"] "/", path) == 1)
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2008-10-26 17:41:23 -06:00
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print "<li><a href=\"" path "\" class=\"thisPage\">»<i> " bname "</i></a>"
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else
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print "<li><a href=\"" path "\">› " bname "</a></li>"
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}
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2009-01-04 21:48:23 -07:00
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END { p(lNF, 0, "</ul>") }'
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2007-05-27 20:07:40 -06:00
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}
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2008-07-15 19:05:41 -06:00
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# Handlers
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2008-09-26 02:35:12 -06:00
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fn md_handler { cat $* | $formatter }
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2008-07-15 19:05:41 -06:00
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2008-09-26 02:35:12 -06:00
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fn tpl_handler { template $1 }
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2008-07-15 19:05:41 -06:00
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fn html_handler {
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2008-12-20 14:56:49 -07:00
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# body states: 0 = no <body> found, 2 = after <body>, 1 = after <body></body>, -1 = after </body>
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awk 'gsub(".*<[Bb][Oo][Dd][Yy][^>]*>", "") > 0 {body=2}
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gsub("</ *[Bb][Oo][Dd][Yy][^>]*>.*", "") > 0 {print; body=body-1}
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body==2 {print}
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body==0 {buf=buf "\n" $0}
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END {if(body<=0) {print buf}}' < $1
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2008-07-15 19:05:41 -06:00
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}
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fn txt_handler {
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2009-01-03 19:59:52 -07:00
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# Note: Words are not broken, even if they are way beyond 82 chars long
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echo '<pre>' `{ sed 's/</\</g; s/>/\>/g' < $1 | fmt -l 82 -j } '</pre>'
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2008-07-15 19:05:41 -06:00
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}
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fn dir_listing_handler {
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2008-12-19 22:32:37 -07:00
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d=`{basename -d $1}
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2008-12-19 18:57:01 -07:00
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echo $d|sed 's,.*//,,g; s,/$,,; s,/, / ,g; s,.*,<h1 class="dir-list-head">&</h1> <ul class="dir-list">,'
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# Symlinks suck: '/.' forces ls to list the linked dir if $d is a symlink.
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2009-01-19 22:55:17 -07:00
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ls -F $dir_listing_ls_opts $d/. | sed $dirfilter$dirclean' s,.*/([^/]+/?)$,<li><a href="\1">\1</a></li>,'
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2008-07-15 19:05:41 -06:00
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echo '</ul>'
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}
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2009-01-10 20:03:46 -07:00
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fn setup_handlers {
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2008-09-25 03:06:14 -06:00
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2009-01-08 19:08:02 -07:00
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if(test -f $local_path.md)
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2009-01-10 20:03:46 -07:00
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handler_body_main=(md_handler $local_path.md)
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2008-12-28 15:40:57 -07:00
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if not if(test -f $local_path.tpl)
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2009-01-10 20:03:46 -07:00
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handler_body_main=(tpl_handler $local_path.tpl)
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2008-12-28 15:40:57 -07:00
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if not if(test -f $local_path.html)
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2009-01-10 20:03:46 -07:00
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handler_body_main=(html_handler $local_path.html)
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2009-01-08 19:08:02 -07:00
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# Global tpl (eg sitemap.tpl), should take precedence over txt handler!
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2008-12-28 15:40:57 -07:00
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if not if(test -f lib^$req_path^.tpl)
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2009-01-10 20:03:46 -07:00
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handler_body_main=(tpl_handler lib^$req_path^.tpl)
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2008-12-28 15:40:57 -07:00
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if not if(test -f $local_path.txt)
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2009-01-10 20:03:46 -07:00
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handler_body_main=(txt_handler $local_path.txt)
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2008-07-15 19:05:41 -06:00
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2008-12-19 18:08:12 -07:00
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# Apps
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2009-01-11 18:07:31 -07:00
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if(! ~ $#enabled_apps 0) {
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for(a in $enabled_apps) {
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. ./apps/$a/app.rc
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$a^'_init'
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}
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}
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2008-12-19 18:08:12 -07:00
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2009-01-10 20:40:40 -07:00
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if(! ~ $#handler_body_main 0)
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2009-01-11 18:07:31 -07:00
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{ } # We are done
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2009-01-10 23:13:25 -07:00
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# Dir listing
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2009-01-10 20:40:40 -07:00
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if not if(~ $local_path */index)
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handler_body_main=(dir_listing_handler $local_path)
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2009-01-11 18:07:31 -07:00
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# Canonize explicit .html urls, the web server might handle this first!
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2009-01-10 20:40:40 -07:00
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if not if(~ $local_path *.html && test -f $local_path)
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2009-01-08 19:08:02 -07:00
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perm_redirect `{ echo $req_path|sed 's/.html$//' }
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2009-01-09 21:23:44 -07:00
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# Fallback static file handler
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2009-01-10 20:40:40 -07:00
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if not if(test -f $local_path)
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2009-01-10 20:03:46 -07:00
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static_file $local_path
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2009-01-15 17:08:54 -07:00
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if not if(~ $req_path /pub/* && test -f .$req_path)
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static_file .$req_path
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2008-07-15 19:05:41 -06:00
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# File not found
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2009-01-10 20:40:40 -07:00
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if not {
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handler_body_main=(tpl_handler `{get_lib_file 404.tpl})
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2008-09-16 14:29:52 -06:00
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echo 'Status: 404 Not Found'
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2009-01-11 18:07:31 -07:00
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dprint 'NOT FOUND: '$SERVER_NAME^$"REQUEST_URI^' - '^$"HTTP_REFERER^' - '^$"HTTP_USER_AGENT
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2008-06-06 01:39:07 -06:00
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}
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2007-05-28 20:04:05 -06:00
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}
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2007-05-27 20:07:40 -06:00
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2009-01-11 18:07:31 -07:00
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fn run_handlers { for(h in $*) run_handler $$h }
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fn run_handler { $*(1) $*(2-) }
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2008-09-16 18:16:33 -06:00
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# Careful, the proper p9p path might not be set until initrc.local is sourced
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path=(. $PLAN9/bin ./bin/ /bin/ /usr/bin)
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2008-09-24 12:21:32 -06:00
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headers=lib/headers.tpl
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master_template=default_master.tpl
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2009-01-12 19:18:19 -07:00
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res_tail='</body></html>'
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2009-01-16 19:05:19 -07:00
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ll_add handlers_bar_left nav_tree
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2009-01-04 14:49:05 -07:00
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werc_root=`{pwd}
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2008-09-21 09:01:51 -06:00
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for(i in siteTitle siteSubTitle pageTitle extraHeaders)
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2008-09-16 18:16:33 -06:00
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$i = ''
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2009-01-04 14:49:05 -07:00
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# TODO: Per-req variables should move after initrc loading.
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site=$SERVER_NAME
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base_url=http://$site/
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sitesdir=sites
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sitedir=$sitesdir/$site
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current_date_time=`{date}
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2008-10-25 22:29:42 -06:00
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. ./etc/initrc
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2008-07-15 19:05:41 -06:00
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2008-09-16 18:16:33 -06:00
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if(test -f etc/initrc.local)
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2008-10-25 22:29:42 -06:00
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. ./etc/initrc.local
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2008-09-16 18:16:33 -06:00
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# Parse request URL
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2008-12-28 15:40:57 -07:00
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# NOTE: $REQUEST_URI is not officially in CGI 1.1, but seems to be de-facto
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req_path=`{echo -n $REQUEST_URI | sed 's/\?.*//; s/'^$forbidden_uri_chars^'//g; s/\.\.*/./g; 1q'}
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2008-12-30 16:16:47 -07:00
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local_path=$sitedir$req_path
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2008-12-28 15:40:57 -07:00
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ifs='/' { args=`{echo -n $req_path} }
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2008-09-16 18:16:33 -06:00
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2008-10-17 19:26:54 -06:00
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# Hack: preload post data so we can access it from templates where cgi's stdin is not accesible
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if(~ $REQUEST_METHOD POST) {
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get_post_args
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login_user
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}
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2008-09-21 09:01:51 -06:00
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2009-01-04 15:21:55 -07:00
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if(! ~ $#args 0)
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pageTitle=`{ echo $args|sed -e 's/ / - /g' -e 's/_/ /g' }
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2009-01-04 15:24:35 -07:00
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if(~ $req_path */index)
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2009-01-04 15:21:55 -07:00
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perm_redirect `{echo $req_path | sed 's,/index$,/,'}
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2009-01-15 17:24:58 -07:00
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if(~ $local_path */) {
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if(test -d $local_path)
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local_path=$local_path^'index'
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2009-01-15 19:18:10 -07:00
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if not # XXX: This redir might step on apps with synthetic dirs.
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2009-01-15 17:24:58 -07:00
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perm_redirect `{echo $req_path|sed 's,/+$,,'}
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}
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2009-01-04 15:21:55 -07:00
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if not if(test -d $local_path)
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perm_redirect $req_path^'/'
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2007-06-02 23:36:01 -06:00
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2008-12-27 03:53:58 -07:00
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p=()
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cd $sitedir
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2009-01-01 00:14:38 -07:00
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if(test -f _werc/config)
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. _werc/config
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2008-12-19 22:32:37 -07:00
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for(i in ('' $args)) {
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2008-12-27 03:53:58 -07:00
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p=($"p^/^$i)
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req_paths_list=($req_paths_list $p)
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if(test -d $i) {
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cd $i
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if(test -f _werc/config)
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. _werc/config
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}
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2007-06-03 21:26:58 -06:00
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}
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2008-12-27 03:53:58 -07:00
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cd $werc_root
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2007-06-02 23:36:01 -06:00
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2008-07-06 21:40:39 -06:00
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# Redirections and other preprocessing
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2009-01-04 21:41:10 -07:00
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if(~ $#redirectPermanent 1) {
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2008-07-07 16:23:00 -06:00
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perm_redirect $"redirectPermanent
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2009-01-04 21:41:10 -07:00
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}
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if not if(~ $#redirectPermanent 2) {
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from='http://'^$SERVER_NAME^$req_path
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to=`{echo $from|sed 's@'^$redirectPermanent(1)^'@'^$redirectPermanent(2)^'@'}
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if(! ~ $to $from)
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2008-09-26 02:35:12 -06:00
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perm_redirect $to
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2008-06-27 16:53:24 -06:00
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}
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2008-09-21 09:01:51 -06:00
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# Set Page title
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if(~ $pageTitle '')
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2009-01-04 21:49:45 -07:00
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pageTitle=$siteTitle^' '^$siteSubTitle
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2008-09-21 09:01:51 -06:00
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if not
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2009-01-04 21:49:45 -07:00
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pageTitle=$"pageTitle^' | '^$"siteTitle^' '^$"siteSubTitle
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2008-06-27 16:53:24 -06:00
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2009-01-10 20:03:46 -07:00
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setup_handlers
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2007-06-04 12:57:18 -06:00
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2008-12-20 05:31:19 -07:00
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if(! ~ $#debug 0)
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dprint ' '$"SERVER_NAME^$"REQUEST_URI' - '$"HTTP_USER_AGENT' - '$"REQUEST_METHOD' - '$"handler
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2008-10-26 17:41:23 -06:00
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2009-01-12 19:18:19 -07:00
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template $headers `{get_lib_file $master_template} | awk_buffer
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echo $res_tail
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