# along with CGIlite. If not, see <http://www.gnu.org/licenses/>.
# ksh and zsh workaround
-set -o posix -o OCTAL_ZEROES 2>&-
+# set -o posix # ksh, not portable
+setopt -o OCTAL_ZEROES 2>&-
+
+BR="$(printf '\n')"
+CR="$(printf '\r')"
+
+HEADER(){
+ if [ -n "$cgilite_headers+x" ]; then
+ printf %s "$cgilite_headers" \
+ | sed -rn 's;^'"${1}"': ([^\r]+)\r?$;\1;ip;q;'
+ else
+ eval $(printf 'printf $HTTP_'; printf '%s' "${1}" |tr '[a-z]-' '[A-Z]_')
+ fi
+}
+
+if [ "$1" = '--inetd' -a -z "$REQUEST_METHOD" ]; then
+ REMOTE_ADDR="${TCPREMOTEIP:-$NCAT_REMOTE_ADDR}"
+ SERVER_NAME="${TCPLOCALIP:-$NCAT_LOCAL_ADDR}"
+ SERVER_PORT="${TCPLOCALPORT:-$NCAT_LOCAL_PORT}"
+
+ read REQUEST_METHOD REQUEST_URI SERVER_PROTOCOL
+ PATH_INFO="${REQUEST_URI%\?*}"
+ QUERY_STRING="${REQUEST_URI#*\?}"
+ cgilite_headers="$(sed -u '/^\r\?$/q')"
+
+ HTTP_CONTENT_LENGTH="$(HEADER Content-Length |grep -xE '[0-9]+')"
+ HTTP_COOKIE="$(HEADER Cookie)"
+
+ export REMOTE_ADDR SERVER_NAME SERVER_PORT REQUEST_METHOD REQUEST_URI SERVER_PROTOCOL \
+ PATH_INFO QUERY_STRING HTTP_CONTENT_LENGTH HTTP_COOKIE
+
+ . "$0" |sed '1{s;^Status: ;HTTP/1.0 ;; t; iHTTP/1.0 200 OK\r
+ }'
+ exit $?
+fi
if [ "$REQUEST_METHOD" = POST -a "${HTTP_CONTENT_LENGTH:=${CONTENT_LENGTH:=0}}" -gt 0 ]; then
cgilite_post="$(head -c "$HTTP_CONTENT_LENGTH")"
fi
+[ -n "${DEBUG+x}" ] && env
+
cgilite_count(){
- printf "$(
- case $1 in
- GET) printf %s "${QUERY_STRING}";;
- POST) printf %s "?${cgilite_post}";;
- REF) printf %s "?${HTTP_REFERER#*\?}";;
- esac \
- | grep -Eo '[&?]'"$2"'=[^&]*' \
- | wc -l
- )"
+ case $1 in
+ GET) printf %s "&${QUERY_STRING}";;
+ POST) printf %s "&${cgilite_post}";;
+ REF) printf %s "&${HTTP_REFERER#*\?}";;
+ esac \
+ | grep -Eo '&'"$2"'=[^&]*' \
+ | wc -l
}
cgilite_value(){
printf "$(
case $1 in
- GET) printf %s "${QUERY_STRING}";;
- POST) printf %s "?${cgilite_post}";;
- REF) printf %s "?${HTTP_REFERER#*\?}";;
+ GET) printf %s "&${QUERY_STRING}";;
+ POST) printf %s "&${cgilite_post}";;
+ REF) printf %s "&${HTTP_REFERER#*\?}";;
esac \
- | grep -Eo '[&?]'"$2"'=[^&]*' \
- | sed -rn "${3:-1}"'{s;^[^=]+=;;; s;\+; ;g; s;\\;\\\\;g; s;%;\\x;g; p}'
+ | grep -Eo '&'"$2"'=[^&]*' \
+ | sed -rn "${3:-1}"'{s;^[^=]+=;;; s;\+; ;g; s;\\;\\\\;g;
+ # Hexadecimal { %00 - %FF } will be transformed to octal { \000 - \377 } for posix printf
+ s;%[0123].;&\\0;g; s;%[4567].;&\\1;g; s;%[89AB].;&\\2;g; s;%[CDEF].;&\\3;g;
+ s;%[048C][0-7]\\.;&0;g; s;%[048C][89A-F]\\.;&1;g; s;%[159D][0-7]\\.;&2;g; s;%[159D][89A-F]\\.;&3;g;
+ s;%[26AE][0-7]\\.;&4;g; s;%[26AE][89A-F]\\.;&5;g; s;%[37BF][0-7]\\.;&6;g; s;%[37BF][89A-F]\\.;&7;g;
+ s;%.[08](\\..);\10;g; s;%.[19](\\..);\11;g; s;%.[2A](\\..);\12;g; s;%.[3B](\\..);\13;g;
+ s;%.[4C](\\..);\14;g; s;%.[5D](\\..);\15;g; s;%.[6E](\\..);\16;g; s;%.[7F](\\..);\17;g;
+ p}'
)"
}
-GET(){
- cgilite_value GET $@
-}
-GET_no(){
- cgilite_count GET $1
-}
+GET(){ cgilite_value GET $@; }
+GET_COUNT(){ cgilite_count GET $1; }
-POST(){
- cgilite_value POST $@
-}
-POST_no(){
- cgilite_count POST $1
-}
+POST(){ cgilite_value POST $@; }
+POST_COUNT(){ cgilite_count POST $1; }
-REF(){
- cgilite_value REF $@
-}
-REF_no(){
- cgilite_count REF $1
-}
+REF(){ cgilite_value REF $@; }
+REF_COUNT(){ cgilite_count REF $1; }
COOKIE(){
printf "$(
- printf %s " ${HTTP_COOKIE}" \
- | grep -Eo '[; ]'"$1"'=[^;]*' \
- | sed -rn "${2:-1}"'{s;^[^=]+=;;; s;\+; ;g; s;\\;\\\\;g; s;%;\\x;g; p}'
+ HEADER Cookie \
+ | grep -oE '(^|; ?)'"$1"'=[^;]*' \
+ | sed -rn "${2:-1}"'{s;^[^=]+=;;; s;\+; ;g; s;\\;\\\\;g;
+ # Hexadecimal { %00 - %FF } will be transformed to octal { \000 - \377 } for posix printf
+ s;%[0123].;&\\0;g; s;%[4567].;&\\1;g; s;%[89AB].;&\\2;g; s;%[CDEF].;&\\3;g;
+ s;%[048C][0-7]\\.;&0;g; s;%[048C][89A-F]\\.;&1;g; s;%[159D][0-7]\\.;&2;g; s;%[159D][89A-F]\\.;&3;g;
+ s;%[26AE][0-7]\\.;&4;g; s;%[26AE][89A-F]\\.;&5;g; s;%[37BF][0-7]\\.;&6;g; s;%[37BF][89A-F]\\.;&7;g;
+ s;%.[08](\\..);\10;g; s;%.[19](\\..);\11;g; s;%.[2A](\\..);\12;g; s;%.[3B](\\..);\13;g;
+ s;%.[4C](\\..);\14;g; s;%.[5D](\\..);\15;g; s;%.[6E](\\..);\16;g; s;%.[7F](\\..);\17;g;
+ p}'
)"
}
-HTMLEC(){
+HTML(){
# HTML Entity Coding
# Prints UTF-8 string as decimal Unicode Code Points
# Useful for escaping user input for use in HTML text and attributes
| hexdump -ve '/1 "%03o\n"' \
| while read n; do
case $n in
- [01]??) printf '0000%s' $n;;
- 2??) printf '%s' ${n#2};;
- 3[0123]?) printf '000%s' ${n#3};;
- 34?) printf '00%s' ${n#34};;
- 35?) printf '01%s' ${n#35};;
- 36?) printf '%s' ${n#36};;
+ # bitbanging octal UTF-8 chains into singular 7 digit octal numbers
+ [01]??) printf '0000%s' $n;; # 7 bit ASCII character, nothing to do
+ 2??) printf '%s' ${n#2};; # tail fragment, append 6 bit
+ 3[0123]?) printf '000%s' ${n#3};; # 2 octet (11 bit) chain start
+ 34?) printf '00%s' ${n#34};; # 3 octet (16 bit) chain start
+ 35?) printf '01%s' ${n#35};; # 3 octet chain start, high
+ 36?) printf '%s' ${n#36};; # 4 octet (21 bit) chain start
esac
done \
| sed -r 's;.{7};&\n;g;' \
done
}
-urlsafe(){
+URL(){
# Code every character in URL escape hex format
# except alphanumeric ascii
| tr , %
}
-redirect(){
- printf '%s\r\n\r\n' "Location: $(urlsafe $*)"
- exit 0
-}
-
-set_cookie(){
+SET_COOKIE(){
case "$1" in
- session|0) expire='';;
- ''|default) expire="$(LANG=C date -d "+ 1 week" +'%a, %d %b %Y %T %Z')";;
- *) expire="$(LANG=C date -d "$1" +'%a, %d %b %Y %T %Z' 2>&-)";;
+ ''|0|session) expire='';;
+ [+-][0-9]*) expire="$(date -R -d @$(($(date +%s) + $1)))";;
+ *) expire="$(date -R -d "$1")";;
esac
cookie="$2"
[ $# -ge 3 ] && shift 2 && printf '; %s' "$@"
printf '\r\n'
}
+
+REDIRECT(){
+ printf 'Status: 303 See Other\r\nLocation: %s\r\n\r\n' "$*"
+ exit 0
+}
+
projects / cgilite / blobdiff