summaryrefslogtreecommitdiff
path: root/bin/contrib/rc-httpd
diff options
context:
space:
mode:
authorglenda <glenda@9front.local>2020-11-15 15:13:27 +0000
committerglenda <glenda@9front.local>2020-11-15 15:13:27 +0000
commit39318169e0b50551db511851829f9337c5fa6313 (patch)
tree65a0ef5c1da9677532fa8105293d017919473057 /bin/contrib/rc-httpd
Import site to git
Diffstat (limited to 'bin/contrib/rc-httpd')
-rwxr-xr-xbin/contrib/rc-httpd/handlers/authorize6
-rwxr-xr-xbin/contrib/rc-httpd/handlers/cgi46
-rwxr-xr-xbin/contrib/rc-httpd/handlers/dir-index111
-rwxr-xr-xbin/contrib/rc-httpd/handlers/error43
-rwxr-xr-xbin/contrib/rc-httpd/handlers/redirect30
-rwxr-xr-xbin/contrib/rc-httpd/handlers/serve-static43
-rwxr-xr-xbin/contrib/rc-httpd/handlers/static-or-cgi14
-rwxr-xr-xbin/contrib/rc-httpd/handlers/static-or-index5
-rwxr-xr-xbin/contrib/rc-httpd/lib/urldecode.awk39
-rwxr-xr-xbin/contrib/rc-httpd/rc-httpd102
-rwxr-xr-xbin/contrib/rc-httpd/select-handler20
11 files changed, 459 insertions, 0 deletions
diff --git a/bin/contrib/rc-httpd/handlers/authorize b/bin/contrib/rc-httpd/handlers/authorize
new file mode 100755
index 0000000..ea4db3e
--- /dev/null
+++ b/bin/contrib/rc-httpd/handlers/authorize
@@ -0,0 +1,6 @@
+#!/bin/rc
+if(~ $REMOTE_USER ''){
+ extra_headers=($extra_headers 'WWW-Authenticate: Basic realm="'$"SERVER_NAME'"')
+ error 401
+ exit
+}
diff --git a/bin/contrib/rc-httpd/handlers/cgi b/bin/contrib/rc-httpd/handlers/cgi
new file mode 100755
index 0000000..2c9a9b9
--- /dev/null
+++ b/bin/contrib/rc-httpd/handlers/cgi
@@ -0,0 +1,46 @@
+#!/bin/rc
+fn filter_headers{
+ response=(200 OK)
+ lines=''
+ done=false
+ while(~ $done false){
+ line=`{getline}
+ head=`{echo $line | awk '{print tolower($1)}'}
+ if(~ $head status:*)
+ response=`{echo $line | awk '{$1="" ; print}'}
+ if not if(~ $line '')
+ done=true
+ if not
+ lines=$"lines^$"line^$cr^'
+'
+ }
+ echo 'HTTP/1.1' $"response^$cr
+ echo -n $"lines
+ do_log $response(1)
+}
+
+fn run_cgi {
+ path=$cgi_path exec $"cgi_bin $params || echo 'Status: 500'
+}
+
+cgi_bin=$1
+cgi_dir=.
+if(! ~ $#* 1)
+ cgi_dir=$*($#*)
+if not if(~ $"cgi_bin /*){
+ cgi_dir=`{basename -d $"cgi_bin}
+ cgi_dir=$"cgi_dir
+}
+if(! ~ $"cgi_bin */*)
+ cgi_bin=./$"cgi_bin
+if(! builtin cd $"cgi_dir >[2]/dev/null || ! test -x $"cgi_bin){
+ error 500
+ exit
+}
+
+run_cgi | {
+ filter_headers
+ emit_extra_headers
+ echo $cr
+ exec cat
+}
diff --git a/bin/contrib/rc-httpd/handlers/dir-index b/bin/contrib/rc-httpd/handlers/dir-index
new file mode 100755
index 0000000..00ff8ce
--- /dev/null
+++ b/bin/contrib/rc-httpd/handlers/dir-index
@@ -0,0 +1,111 @@
+#!/bin/rc
+PATH_INFO=`{echo $PATH_INFO | urldecode.awk}
+full_path=$"FS_ROOT^$"PATH_INFO
+full_path=$"full_path
+if(! test -d $full_path){
+ error 404
+ exit
+}
+if(! test -r $full_path -x $full_path){
+ error 503
+ exit
+}
+do_log 200
+builtin cd $full_path
+if(~ $"NOINDEXFILE ^ $"NOINDEX ''){
+ ifile=index.htm*
+ if(! ~ $ifile(1) *'*'){
+ PATH_INFO=$ifile(1)
+ FS_ROOT=''
+ exec serve-static
+ }
+}
+title=`{echo $SITE_TITLE | sed s,%s,^$"PATH_INFO^,}
+title=$"title
+lso=()
+switch($2){
+case size
+ # ls has no option to sort by size
+ # could pipe it through sort, I suppose
+case date
+ lso=-t
+}
+echo 'HTTP/1.1 200 OK'^$cr
+emit_extra_headers
+echo 'Content-type: text/html'^$cr
+echo $cr
+echo '<html>
+<head>
+<title>'^$title^'</title>
+<style type="text/css">
+ .size {
+ text-align: right;
+ padding-right: 4pt;
+ }
+ .day {
+ text-align: right;
+ padding-right: 3pt;
+ }
+ .datetime {
+ text-align: right;
+ }
+ .name {
+ text-align: right;
+ padding-left: 3pt;
+ }
+</style>
+</head>
+<body>'
+echo '<h1>'^$title^'</h1>'
+if(! ~ $PATH_INFO /)
+ echo '<a href="../">Parent directory</a>'
+echo '<table>'
+ls -lQ $lso | awk '
+function urlencode(loc){
+ # very minimal encoding, just enough for our static-file purposes
+ url=loc
+ gsub("%", "%25", url) # this one first!
+ gsub("\\$", "%24", url)
+ gsub("&", "%26", url)
+ gsub("\\+", "%2B", url)
+ gsub("\\?", "%3F", url)
+ gsub(" ", "%20", url)
+ gsub("\"", "%22", url)
+ gsub("#", "%23", url)
+ return url
+}
+function hrsize(size){
+ if(size > 1073741824) return sprintf("%.1fGB", size/1073741824)
+ if(size > 10485760) return sprintf("%iMB", size/1048576)
+ if(size > 1048576) return sprintf("%.1fMB", size/1048576)
+ if(size > 10240) return sprintf("%iKB", size/1024)
+ if(size > 1024) return sprintf("%.1fKB", size/1024)
+ return sprintf("%iB", size)
+}
+/^(-|a)/ {
+ print "<tr>"
+ print "<td class=\"size\">"hrsize($6)"</td>"
+ print "<td class=\"month\">"$7"</td>"
+ print "<td class=\"day\">"$8"</td>"
+ print "<td class=\"datetime\">"$9"</td>"
+ $1="" ; $2="" ; $3="" ; $4="" ; $5="" ; $6="" ; $7="" ; $8="" ; $9=""
+ sub("^ *?", "")
+ print "<td><a class=\"file name\" href=\""urlencode($0)"\">"$0"</a></td>"
+ print "</tr>"
+ $0=""
+}
+/^d/ {
+ print "<tr>"
+ print "<td class=\"size\"> </td>"
+ print "<td class=\"month\">"$7"</td>"
+ print "<td class=\"day\">"$8"</td>"
+ print "<td class=\"datetime\">"$9"</td>"
+ $1="" ; $2="" ; $3="" ; $4="" ; $5="" ; $6="" ; $7="" ; $8="" ; $9=""
+ sub("^ *?", "")
+ print "<td><a class=\"dir name\" href=\""urlencode($0)"/\">"$0"/</a></td>"
+ print "</tr>"
+}'
+echo '</table>
+
+</body>
+</html>'
diff --git a/bin/contrib/rc-httpd/handlers/error b/bin/contrib/rc-httpd/handlers/error
new file mode 100755
index 0000000..282d870
--- /dev/null
+++ b/bin/contrib/rc-httpd/handlers/error
@@ -0,0 +1,43 @@
+#!/bin/rc
+# DO NOT make this script callable directly from the web!
+fn do_error{
+ echo 'HTTP/1.1 '^$1^$cr
+ emit_extra_headers
+ echo 'Content-type: text/html'^$cr
+ echo $cr
+ echo '<html>
+<head>
+<title>'^$1^'</title>
+</head>
+<body>
+<h1>'^$1^'</h1>'
+ echo $2
+ echo '<p><i>rc-httpd at' $SERVER_NAME '</i>'
+ echo '
+ </body>
+ </html>
+ '
+}
+
+fn 401{
+ do_error '401 Unauthorized' \
+ 'The requested path '^$"location^' requires authorization.'
+}
+
+fn 404{
+ do_error '404 Not Found' \
+ 'The requested path '^$"location^' was not found on this server.'
+}
+
+fn 500{
+ do_error '500 Internal Server Error' \
+ 'The server has encountered an internal misconfiguration and is unable to satisfy your request.'
+}
+
+fn 503{
+ do_error '503 Forbidden' \
+ 'You do not have permission to access '^$"location^' on this server.'
+}
+
+do_log $1
+$1
diff --git a/bin/contrib/rc-httpd/handlers/redirect b/bin/contrib/rc-httpd/handlers/redirect
new file mode 100755
index 0000000..e223091
--- /dev/null
+++ b/bin/contrib/rc-httpd/handlers/redirect
@@ -0,0 +1,30 @@
+#!/bin/rc
+if(~ $#2 0){
+ error 500
+ exit
+}
+switch($1){
+case perm*
+ do_log 301
+ echo 'HTTP/1.1 301 Moved Permanently'^$cr
+case temp*
+ do_log 302
+ echo 'HTTP/1.1 302 Moved Temporarily'^$cr
+case seeother
+ do_log 303
+ echo 'HTTP/1.1 303 See Other'^$cr
+case *
+ error 500
+ exit
+}
+echo 'Location: ' ^ $2 ^ $cr
+emit_extra_headers
+echo 'Content-type: text/html'^$cr
+echo $cr
+echo '<html><body>'
+if(~ $#3 0)
+ echo 'Browser did not accept redirect.'
+if not
+ echo $3
+echo '<a href="'^$"location^'/">Click here</a>'
+echo '</body></html>'
diff --git a/bin/contrib/rc-httpd/handlers/serve-static b/bin/contrib/rc-httpd/handlers/serve-static
new file mode 100755
index 0000000..00cc70a
--- /dev/null
+++ b/bin/contrib/rc-httpd/handlers/serve-static
@@ -0,0 +1,43 @@
+#!/bin/rc
+full_path=`{echo $"FS_ROOT^$"PATH_INFO | urldecode.awk}
+full_path=$"full_path
+if(~ $full_path */)
+ error 503
+if(test -d $full_path){
+ redirect perm $"location^'/' \
+ 'URL not quite right, and browser did not accept redirect.'
+ exit
+}
+if(! test -e $full_path){
+ error 404
+ exit
+}
+if(! test -r $full_path){
+ error 503
+ exit
+}
+do_log 200
+switch($full_path){
+case *.html *.htm
+ type=text/html
+case *.css
+ type=text/css
+case *.txt
+ type='text/plain; charset=utf-8'
+case *.jpg *.jpeg
+ type=image/jpeg
+case *.gif
+ type=image/gif
+case *.png
+ type=image/png
+case *
+ type=`{file -m $full_path || file -i $full_path} # GROSS
+}
+max_age=3600 # 1 hour
+echo 'HTTP/1.1 200 OK'^$cr
+emit_extra_headers
+echo 'Content-type: '^$type^'; charset=utf-8'^$cr
+echo 'Content-length: '^`{ls -l $full_path | awk '{print $6}'}
+echo 'Cache-control: max-age='^$max_age^$cr
+echo $cr
+exec cat $full_path
diff --git a/bin/contrib/rc-httpd/handlers/static-or-cgi b/bin/contrib/rc-httpd/handlers/static-or-cgi
new file mode 100755
index 0000000..4d8a2d4
--- /dev/null
+++ b/bin/contrib/rc-httpd/handlers/static-or-cgi
@@ -0,0 +1,14 @@
+#!/bin/rc
+cgiargs=$*
+
+fn error{
+ if(~ $1 404)
+ exec cgi $cgiargs
+ if not
+ $rc_httpd_dir/handlers/error $1
+}
+
+if(~ $location */)
+ exec cgi $cgiargs
+if not
+ exec serve-static
diff --git a/bin/contrib/rc-httpd/handlers/static-or-index b/bin/contrib/rc-httpd/handlers/static-or-index
new file mode 100755
index 0000000..f0904f8
--- /dev/null
+++ b/bin/contrib/rc-httpd/handlers/static-or-index
@@ -0,0 +1,5 @@
+#!/bin/rc
+if(~ $PATH_INFO */)
+ exec dir-index $params
+if not
+ exec serve-static
diff --git a/bin/contrib/rc-httpd/lib/urldecode.awk b/bin/contrib/rc-httpd/lib/urldecode.awk
new file mode 100755
index 0000000..1dadd00
--- /dev/null
+++ b/bin/contrib/rc-httpd/lib/urldecode.awk
@@ -0,0 +1,39 @@
+# taken from werc
+BEGIN {
+ hextab ["0"] = 0; hextab ["8"] = 8;
+ hextab ["1"] = 1; hextab ["9"] = 9;
+ hextab ["2"] = 2; hextab ["A"] = hextab ["a"] = 10
+ hextab ["3"] = 3; hextab ["B"] = hextab ["b"] = 11;
+ hextab ["4"] = 4; hextab ["C"] = hextab ["c"] = 12;
+ hextab ["5"] = 5; hextab ["D"] = hextab ["d"] = 13;
+ hextab ["6"] = 6; hextab ["E"] = hextab ["e"] = 14;
+ hextab ["7"] = 7; hextab ["F"] = hextab ["f"] = 15;
+}
+{
+ decoded = ""
+ i = 1
+ len = length ($0)
+ while ( i <= len ) {
+ c = substr ($0, i, 1)
+ if ( c == "%" ) {
+ if ( i+2 <= len ) {
+ c1 = substr ($0, i+1, 1)
+ c2 = substr ($0, i+2, 1)
+ if ( hextab [c1] == "" || hextab [c2] == "" ) {
+ print "WARNING: invalid hex encoding: %" c1 c2 | "cat >&2"
+ } else {
+ code = 0 + hextab [c1] * 16 + hextab [c2] + 0
+ c = sprintf ("%c", code)
+ i = i + 2
+ }
+ } else {
+ print "WARNING: invalid % encoding: " substr ($0, i, len - i)
+ }
+ } else if ( c == "+" ) {
+ c = " "
+ }
+ decoded = decoded c
+ ++i
+ }
+ printf "%s", decoded
+}
diff --git a/bin/contrib/rc-httpd/rc-httpd b/bin/contrib/rc-httpd/rc-httpd
new file mode 100755
index 0000000..8e4fad9
--- /dev/null
+++ b/bin/contrib/rc-httpd/rc-httpd
@@ -0,0 +1,102 @@
+#!/bin/rc
+rc_httpd_dir=/home/sl/www/werc/bin/contrib/rc-httpd
+libdir = $rc_httpd_dir/lib
+path=($PLAN9/bin $rc_httpd_dir/handlers $PATH)
+cgi_path=$PLAN9/bin
+SERVER_PORT=80 # default for CGI scripts, may be overridden by the Host header
+extra_headers='Server: rc-httpd'
+cr=
+
+fn do_log{
+ echo `{date} :: $SERVER_NAME :: $request :: \
+ $HTTP_USER_AGENT :: $1 :: $HTTP_REFERER >[1=2]
+}
+
+fn emit_extra_headers{
+ for(header in $extra_headers)
+ echo $"header^$cr
+}
+
+fn getline{ read | sed 's/'^$"cr^'$//g' }
+
+fn terminate{
+ echo `{date} connection terminated >[1=2]
+ exit terminate
+}
+
+fn trim_input{ dd -bs 1 -count $CONTENT_LENGTH }
+
+request=`{getline}
+if(~ $#request 0)
+ terminate
+REQUEST_METHOD=$request(1)
+REQUEST_URI=$request(2)
+reqlines=''
+HTTP_COOKIE=''
+REMOTE_USER=''
+done=false
+chunked=no
+while(~ $"done false){
+ line=`{getline}
+ if(~ $#line 0)
+ done=true
+ reqlines=$"reqlines$"line'
+'
+ h=`{echo $line | awk '{print tolower($1)}'}
+ switch($h){
+ case ''
+ done=true
+ case host:
+ SERVER_NAME=$line(2)
+ case referer:
+ HTTP_REFERER=$line(2)
+ case user-agent:
+ HTTP_USER_AGENT=`{echo $line | sed 's;[^:]+:[ ]+;;'}
+ case content-length:
+ CONTENT_LENGTH=$line(2)
+ case content-type:
+ CONTENT_TYPE=$line(2)
+ case cookie:
+ cookie=`{echo $line | sed 's;^[^:]+:[ ]*;;'}
+ HTTP_COOKIE=$"HTTP_COOKIE^$"cookie^'; '
+ case authorization:
+ REMOTE_USER=`{auth/httpauth $line(3)}
+ case transfer-encoding:
+ ~ $line(2) chunked && chunked=yes
+ }
+}
+if(~ $REQUEST_URI *://* //*){
+ SERVER_NAME=`{echo $REQUEST_URI | sed '
+ s;^[^:]+:;;
+ s;^//([^/]+).*;\1;'}
+ REQUEST_URI=`{echo $REQUEST_URI | sed '
+ s;^[^:]+:;;
+ s;^//[^/]+/?;/;'}
+}
+QUERY_STRING=`{echo $REQUEST_URI | sed 's;[^?]*\??;;'}
+params=`{echo $QUERY_STRING | sed 's;\+; ;g'}
+location=`{echo $REQUEST_URI | sed 's;\?.*;;'}
+location=`{echo $location | sed '
+ s;[^/]+/\.\./;/;g
+ s;/\./;/;g
+ s;//+;/;g
+'}
+SERVER_NAME=`{echo $SERVER_NAME | sed 's;^(\[[^\]]+\]|[^:]+)\:([0-9]+)$;\1 \2;'}
+if(~ $#SERVER_NAME 2){
+ SERVER_PORT=$SERVER_NAME(2)
+ SERVER_NAME=$SERVER_NAME(1)
+}
+if(~ $REQUEST_METHOD (PUT POST)){
+ if(! ~ $"CONTENT_LENGTH '')
+ trim_input | exec $rc_httpd_dir/select-handler
+ if not{
+ if(~ $chunked yes){
+ echo 'HTTP/1.1 411 Length required'^$cr
+ echo $cr
+ exit
+ }
+ exec $rc_httpd_dir/select-handler
+ }
+}
+if not
+ . $rc_httpd_dir/select-handler
diff --git a/bin/contrib/rc-httpd/select-handler b/bin/contrib/rc-httpd/select-handler
new file mode 100755
index 0000000..ec819d4
--- /dev/null
+++ b/bin/contrib/rc-httpd/select-handler
@@ -0,0 +1,20 @@
+#!/bin/rc
+rfork n
+
+# Route requests to werc.
+# Change paths to match your system.
+
+if(~ $SERVER_NAME 9base.werc.cat-v.org)
+ PLAN9=/usr/local/9base
+if(~ $SERVER_NAME frontbase.werc.cat-v.org)
+ PLAN9=/usr/local/plan9front
+if(~ $SERVER_NAME plan9port.werc.cat-v.org)
+ PLAN9=/usr/local/plan9
+
+if(~ $SERVER_NAME *){
+ PATH_INFO=$location
+ FS_ROOT=/home/sl/www/werc/sites/$SERVER_NAME
+ exec static-or-cgi /home/sl/www/werc/bin/werc.rc
+}
+if not
+ error 503