cfban

cfuser=<Your Cloudflare Account Email Address>
cftoken=<Cloudflare Global API KEY>

# get arg
arg1=$1
arg2=$2

# if $arg1 is not equal to unban, and arg1 is not empty
if [ "$arg1" != "unban" ] && [ -n "$arg1" ]; then
    # get ip
    ip=$arg1
    # if $arg2 is not empty
    if [ -n "$arg2" ]; then
        # get note
        note=$arg2
    else
        # set note
        note="CfBan"
    # ban ip
    echo "Banning $ip"
    curl -s -X POST "https://api.cloudflare.com/client/v4/user/firewall/access_rules/rules" \
        -H "X-Auth-Email: $cfuser" \
        -H "X-Auth-Key: $cftoken" \
        -H "Content-Type: application/json" \
        --data "{\"mode\":\"block\",\"configuration\":{\"target\":\"ip\",\"value\":\"$ip\"},\"notes\":\"$note\"}"

    exit 0
    fi
fi

if [ "$arg1" == "unban" ] && [ -n "$arg2" ]; then
    # get ip
    ip=$arg2
    # unban ip
    echo "Unbanning $ip"
    curl -s -X DELETE "https://api.cloudflare.com/client/v4/user/firewall/access_rules/rules?mode=block&configuration_target=ip&configuration_value=$ip" \
        -H "X-Auth-Email: $cfuser" \
        -H "X-Auth-Key: $cftoken" \
        -H "Content-Type: application/json"
    exit 0
fi

# USAGE
echo "$0"
echo "Usage: $0 <ip> [note]"
echo "Usage: $0 unban <ip>"