Created
September 13, 2012 18:36
-
-
Save AbinashBishoyi/3716554 to your computer and use it in GitHub Desktop.
CGI POST
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#http://www.team2053.org/docs/bashcgi/postdata.html | |
#This code for getting code from post data is from http://oinkzwurgl.org/bash_cgi and | |
#was written by Phillippe Kehi <phkehi@gmx.net> and flipflip industries | |
# (internal) routine to store POST data | |
function cgi_get_POST_vars() | |
{ | |
# check content type | |
# FIXME: not sure if we could handle uploads with this.. | |
[ "${CONTENT_TYPE}" != "application/x-www-form-urlencoded" ] && \ | |
echo "Warning: you should probably use MIME type "\ | |
"application/x-www-form-urlencoded!" 1>&2 | |
# save POST variables (only first time this is called) | |
[ -z "$QUERY_STRING_POST" \ | |
-a "$REQUEST_METHOD" = "POST" -a ! -z "$CONTENT_LENGTH" ] && \ | |
read -n $CONTENT_LENGTH QUERY_STRING_POST | |
return | |
} | |
# (internal) routine to decode urlencoded strings | |
function cgi_decodevar() | |
{ | |
[ $# -ne 1 ] && return | |
local v t h | |
# replace all + with whitespace and append %% | |
t="${1//+/ }%%" | |
while [ ${#t} -gt 0 -a "${t}" != "%" ]; do | |
v="${v}${t%%\%*}" # digest up to the first % | |
t="${t#*%}" # remove digested part | |
# decode if there is anything to decode and if not at end of string | |
if [ ${#t} -gt 0 -a "${t}" != "%" ]; then | |
h=${t:0:2} # save first two chars | |
t="${t:2}" # remove these | |
v="${v}"`echo -e \\\\x${h}` # convert hex to special char | |
fi | |
done | |
# return decoded string | |
echo "${v}" | |
return | |
} | |
# routine to get variables from http requests | |
# usage: cgi_getvars method varname1 [.. varnameN] | |
# method is either GET or POST or BOTH | |
# the magic varible name ALL gets everything | |
function cgi_getvars() | |
{ | |
[ $# -lt 2 ] && return | |
local q p k v s | |
# get query | |
case $1 in | |
GET) | |
[ ! -z "${QUERY_STRING}" ] && q="${QUERY_STRING}&" | |
;; | |
POST) | |
cgi_get_POST_vars | |
[ ! -z "${QUERY_STRING_POST}" ] && q="${QUERY_STRING_POST}&" | |
;; | |
BOTH) | |
[ ! -z "${QUERY_STRING}" ] && q="${QUERY_STRING}&" | |
cgi_get_POST_vars | |
[ ! -z "${QUERY_STRING_POST}" ] && q="${q}${QUERY_STRING_POST}&" | |
;; | |
esac | |
shift | |
s=" $* " | |
# parse the query data | |
while [ ! -z "$q" ]; do | |
p="${q%%&*}" # get first part of query string | |
k="${p%%=*}" # get the key (variable name) from it | |
v="${p#*=}" # get the value from it | |
q="${q#$p&*}" # strip first part from query string | |
# decode and evaluate var if requested | |
[ "$1" = "ALL" -o "${s/ $k /}" != "$s" ] && \ | |
eval "$k=\"`cgi_decodevar \"$v\"`\"" | |
done | |
return | |
} | |
# register all GET and POST variables | |
cgi_getvars BOTH ALL |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment