foxe/scripts/guestbookscript.gmi

!/usr/bin/env bash

GUESTBOOK_PATH="guestbook.gmi" # GUESTBOOK relative path

GUESTBOOK_URL="gemini://foxe.flounder.online/scripts/guesbook.gmi" # GUESTBOOK URL

GUESTBOOK_MESSAGES_START_LINE= 7# the line of the GUESTBOOK at which the messages are to be inserted

MAX_MESSAGES= 100 # maximal number of messages in GUESTBOOK

decode_percent_encoding(){

echo "$1" | sed 's@+@ @g;s@%@\\x@g' | xargs -0 printf "%b"

}

if [[ "$QUERY_STRING" != "" ]]; then

message=$(decode_percent_encoding "$QUERY_STRING")

date=$(date +%Y-%m-%d)

tmpfile=$(mktemp)

if (( $(wc -l "$GUESTBOOK_PATH" | cut -d' ' -f1) < GUESTBOOK_MESSAGES_START_LINE + MAX_MESSAGES )); then

cat <(head -n$((GUESTBOOK_MESSAGES_START_LINE - 1)) "$GUESTBOOK_PATH") <(echo "$date - $message") <(tail -n +"$GUESTBOOK_MESSAGES_START_LINE" "$GUESTBOOK_PATH") > "$tmpfile"

cat "$tmpfile" > "$GUESTBOOK_PATH"

printf "30 $GUESTBOOK_URL\r\n"

else

printf "10 Leave a message.\r\n"

/scripts/