144 lines
4.3 KiB
Bash
Executable File
144 lines
4.3 KiB
Bash
Executable File
#!/usr/lib/plan9/bin/rc
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. ./cgilib.rc
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. ./werclib.rc
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. ./wercconf.rc
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. ./corehandlers.rc
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. ./fltr_cache.rc
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cd ..
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forbidden_uri_chars='[^a-zA-Z0-9_+\-\/\.,:]'
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difs=$ifs # Used to restore default ifs when needed
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# Expected input: ls -F style, $sitedir/path/to/files/
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# <ls -F+x><symlink hack><Useless?><hiden files >
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dirfilter='s/\*$//; s,/+\./+,/,g; s,^\./,,; /\/[._][^\/]/d; /'$forbidden_uri_chars'/d; /\/sitemap\.xml$/d; /\/index\.(md|html|txt|tpl)$/d; /\/(robots|sitemap)\.txt$/d; /_werc\/?$/d; '
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dirclean=' s/\.(md|html|txt)$//; '
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# Careful, the proper p9p path might not be set until initrc.local is sourced
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path=(. /bin ./bin)
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res_tail='</body></html>'
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http_content_type='text/html'
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ll_add handlers_bar_left nav_tree
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werc_apps=( apps/* )
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werc_root=`{pwd}
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sitesdir=sites
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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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for(a in $werc_apps)
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. ./$a/app.rc
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fn werc_exec_request {
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site=$SERVER_NAME
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base_url=https://$site
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# base_url=https://$site:$SERVER_PORT
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# ^ causes malformed rss to be generated
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# could be useful for debugging, but
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# otherwise not worth it
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sitedir=$sitesdir/$site
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req_path=`{echo -n $REQUEST_URI | sed 's/\?.*//; s!//+!/!g; s/%5[Ff]/_/g; s/'^$forbidden_uri_chars^'//g; s/\.\.*/./g; 1q'}
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req_url=$base_url^$req_path
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local_path=$sitedir$req_path
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local_file=''
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ifs='/' { args=`{echo -n $req_path} }
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headers=`{get_lib_file headers.tpl}
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master_template=`{get_lib_file default_master.tpl}
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current_date_time=`{date}
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# Note: $REQUEST_URI is not officially in CGI 1.1, but seems to be de-facto
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# Note: We only urldecode %5F->'_' because some sites (stackoverflow.com?) urlencode it in their links,
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# perhaps we should completel urldecode the whole url.
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# Preload post args for templates where cgi's stdin is not accessible
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if(~ $REQUEST_METHOD POST) {
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load_post_args
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login_user
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}
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if(~ $req_path */index)
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perm_redirect `{echo $req_path | sed 's,/index$,/,'}
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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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# XXX: This redir might step on apps with synthetic dirs.
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if not if(ls `{basename -d $local_path}^* >/dev/null >[2]/dev/null)
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perm_redirect `{echo $req_path|sed 's,/+$,,'}
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}
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if not if(~ $req_path *'.' *',' *';' *':')
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perm_redirect `{echo $req_path | sed 's/[.,;:)]$//'}
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if not if(test -d $local_path)
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perm_redirect $req_path^'/'
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if(! ~ $#args 0)
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ifs=$NEW_LINE { pageTitle=`{ echo $args|sed -e 's/ / - /g' -e 's/([a-z])-([a-z])/\1 \2/g' -e 's/_/ /g' } }
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cd $sitedir
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req_paths_list='/' # Note: req_paths_list doesn't include 'stnythetic' dirs.
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conf_wd='/' # Used in config files to know where we are in the document tree.
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if(test -f _werc/config)
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. _werc/config
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for(i in $args) {
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conf_wd=$conf_wd^$i
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req_paths_list=($req_paths_list $conf_wd)
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if(test -d $i) {
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conf_wd=$conf_wd'/'
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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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}
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cd $werc_root
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if(~ $#perm_redir_to 1)
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perm_redirect $perm_redir_to
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for(l in $perm_redir_patterns) {
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p=$$l
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r=$p(1)
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# If target is absolute, then patern must match whole string
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if(~ $p(2) http://* https://*)
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r='^'$r
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t=`{ echo $req_path | sed 's!'^$r^'!'^$p(2)^'!' } # Malicious danger!
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if(! ~ $"t '' $req_path)
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perm_redirect $t
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}
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setup_handlers
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# Set Page title
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if(! ~ $local_file '') {
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t=`{get_file_title $local_file}
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if(! ~ $"t '')
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pageTitle=$t
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}
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# XXX Is this never true? because we set pageTitle earlier based on url.
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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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for(h in $extraHttpHeaders)
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echo $h
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echo Content-Type: $http_content_type
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echo # End of HTTP headers
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if(! ~ $#debug 0)
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dprint $"SERVER_NAME^$"REQUEST_URI - $"HTTP_USER_AGENT - $"REQUEST_METHOD - $"handler_body_main - $"master_template
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if(~ $REQUEST_METHOD HEAD)
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exit
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template $headers $master_template # | awk_buffer
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echo $res_tail
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}
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werc_exec_request
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