')"
}
-if [ -z "$REQUEST_METHOD" -a -z "$SERVER_PROTOCOL" ]; then
+if [ -z "$REQUEST_METHOD" ]; then
# no webserver variables means we are running via inetd / ncat
# so use builtin web server
# HTML Entity Coding
# Prints UTF-8 string as decimal Unicode Code Points
# Useful for escaping user input for use in HTML text and attributes
- printf %s "$*" \
+ { [ $# -eq 0 ] && cat || printf %s "$*"; } \
| hexdump -ve '/1 "%03o\n"' \
| while read n; do
case $n in
# Code every character in URL escape hex format
# except alphanumeric ascii
- printf %s "$*" \
+ { [ $# -eq 0 ] && cat || printf %s "$*"; } \
| hexdump -v -e '/1 ",%02X"' \
- | tr , %
+ | sed 's;,;%;g; s;%2F;/;g;'
}
+PATH(){
+ { [ $# -eq 0 ] && cat || printf %s "$*"; } \
+ | sed -r 's;^.*$;/&/;; s;/+;/;g;
+ :X;
+ s;^/\.\./;/;; s;/\./;/;g;
+ tX;
+ s;/[^/]+/\.\./;/;;
+ tX;
+ s;^(/.*)/$;\1;'
+}
+
+
SET_COOKIE(){
+ local expire cookie
case "$1" in
''|0|session) expire='';;
[+-][0-9]*) expire="$(date -R -d @$(($(date +%s) + $1)))";;
}
REDIRECT(){
- printf '%s: %s\r\n'
+ printf '%s: %s\r\n' \
Status "303 See Other" \
Content-Length 0 \
Location "$*"