You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
2.6 KiB
80 lines
2.6 KiB
#!/usr/bin/env sh
|
|
|
|
# Nearly Free Speech DNS API (https://www.nearlyfreespeech.net)
|
|
# Author: Travis Neely (https://github.com/Travisivart)
|
|
# Created: 2022-04-19
|
|
|
|
# Expected environment variables as such:
|
|
#
|
|
# export NFS_ACCOUNT="your_nearly_free_speech_account"
|
|
# export NFS_API_KEY="your_nearly_free_speech_api_key"
|
|
#
|
|
|
|
# Usage: dns_nfs_add _acme-challenge.domain.com "KjiayTfXPHmnHmOdevsOtJyzsU9AHw2T6R0lNVCl_oi"
|
|
dns_nfs_add() {
|
|
FULLDOMAIN=$1
|
|
TXTVALUE=$2
|
|
ROOTDOMAIN=$(echo "$FULLDOMAIN" | awk -F '.' '{print $(NF-1)"."$NF}')
|
|
SUBDOMAIN=$(echo "$FULLDOMAIN" | sed 's/.'"$ROOTDOMAIN"'//g')
|
|
|
|
if [ "$SUBDOMAIN" = "$FULLDOMAIN" ]; then
|
|
unset SUBDOMAIN
|
|
fi
|
|
|
|
_nfs_rest "/dns/$ROOTDOMAIN/addRR" "name=$SUBDOMAIN" 'type=TXT' "data=$2"
|
|
}
|
|
|
|
# Usage: dns_nfs_rm domain.com "KjiayTfXPHmnHmOdevsOtJyzsU9AHw2T6R0lNVCl_oi"
|
|
dns_nfs_rm() {
|
|
FULLDOMAIN=$1
|
|
TXTVALUE=$2
|
|
ROOTDOMAIN=$(echo "$FULLDOMAIN" | awk -F '.' '{print $(NF-1)"."$NF}')
|
|
SUBDOMAIN=$(echo "$FULLDOMAIN" | sed 's/.'"$ROOTDOMAIN"'//g')
|
|
|
|
if [ "$SUBDOMAIN" = "$FULLDOMAIN" ]; then
|
|
unset SUBDOMAIN
|
|
fi
|
|
|
|
_nfs_rest "/dns/$ROOTDOMAIN/removeRR" "name=$SUBDOMAIN" 'type=TXT' "data=$2"
|
|
}
|
|
|
|
#################### Private functions below ##################################
|
|
# Usage add: _nfs_rest "/dns/domain.com/addRR" "name=" 'type=TXT' "data=KjiayTfXPHmnHmOdevsOtJyzsU9AHw2T6R0lNVCl_oi"
|
|
# remove: _nfs_rest "/dns/domain.com/removeRR" "name=www" 'type=TXT' "data=KjiayTfXPHmnHmOdevsOtJyzsU9AHw2T6R0lNVCl_oi"
|
|
_nfs_rest () {
|
|
|
|
# Make sure NFS_ACCOUNT is set else exit
|
|
if [ -z "$NFS_ACCOUNT" ]; then
|
|
echo "NFS_ACCOUNT is not set, run 'export NFS_ACCOUNT=\"your_nearly_free_speech_account\" and rerun."
|
|
exit 1
|
|
fi
|
|
|
|
# Make sure NFS_API_KEY is set else exit
|
|
if [ -z "$NFS_API_KEY" ]; then
|
|
echo "NFS_API_KEY is not set, run 'export NFS_API_KEY=\"your_nearly_free_speech_api_key\" and rerun."
|
|
exit 1
|
|
fi
|
|
|
|
TIMESTAMP=$(date +%s)
|
|
SALT=$(tr -dc 'a-zA-Z0-9' < /dev/urandom | head -c 16)
|
|
REQUEST_URI="$1"
|
|
|
|
if [ "$#" -gt "1" ]; then
|
|
PARAMETERS="$2"
|
|
fi
|
|
|
|
COUNT=3
|
|
while test $COUNT -le $#
|
|
do
|
|
eval "PARAMETER=\$$COUNT"
|
|
PARAMETERS="$PARAMETERS&$PARAMETER"
|
|
COUNT=$((COUNT + 1))
|
|
done
|
|
|
|
BODY=$PARAMETERS
|
|
BODY_HASH=$(printf "%s" "$BODY" | sha1sum | awk '{print $1}')
|
|
HASH_STRING=$(printf "%s" "$NFS_ACCOUNT;$TIMESTAMP;$SALT;$NFS_API_KEY;$REQUEST_URI;$BODY_HASH")
|
|
HASH=$(printf "%s" "$HASH_STRING" | sha1sum | awk '{print $1}')
|
|
|
|
printf "%s" "$(curl -s -o - -k -X POST -H "X-NFSN-Authentication: $NFS_ACCOUNT;$TIMESTAMP;$SALT;$HASH" -d "$BODY" "https://api.nearlyfreespeech.net$REQUEST_URI")"
|
|
}
|