+cgi_cookie() { # Parse GET data from referer
+ debug "== CGI DATA: COOKIE =="
+ printf '%s\n' "$HTTP_COOKIE" |tr ';' '\n' |while read query; do
+ key="$(printf %s "$query" |sed -r 's:^ *([a-zA-Z0-9_-]+)=(.*)$:\1:')"
+ val="$(printf %s "$query" |sed -r 's:^ *([a-zA-Z0-9_-]+)=(.*)$:\2:')"
+ _COOKIE[$key]="$(printf "$(printf %s "$val" |sed 's:+: :g;s:\\:\\\\:g;s:%:\\x:g')")"
+ debug "_COOKIE[$key] => $val"
+ done
+}
+
+urlsafe(){
+ printf %s "$*" \
+ | sed 's;%;%25;g;
+ s;\?;%3f;g;
+ s;#;%23;g;
+ s;<;%3c;g;
+ s;>;%3e;g;
+ s;&;%26;g;
+ s;";%22;g;
+ s;'\'';%27;g;'
+# s; ;%20;g;
+# s;!;%21;g;
+# s;(;%28;g;
+# s;);%29;g;
+# s;:;%3a;g;
+}
+
+htmlsafe(){
+ printf %s "$*" \
+ | sed 's;<;\<\;;g;
+ s;>;\>\;;g;
+ s;&;\&\;;g;
+ s;";\"\;;g;
+ s;'\'';&apos\;;g;'
+}
+
+redirect(){
+ printf '%s\n\n' "Location: $*"
+ exit 0
+}
+
+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>&-)";;
+ esac
+ cookie="$2"
+
+ printf 'Set-Cookie: %s' "$cookie"
+ [ -n "$expire" ] && printf '; Expires=%s' "$expire"
+ [ $# -ge 3 ] && shift 2 && printf '; %s' "$@"
+ printf '\n'