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#!/usr/bin/env sh
#Author: meowthink
#Created 01/14/2017
#Utilize namesilo.com API to finish dns-01 verifications.
Namesilo_API="https://www.namesilo.com/api"
######## Public functions #####################
#Usage: dns_myapi_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
dns_namesilo_add() {
fulldomain=$1
txtvalue=$2
if [ -z "$Namesilo_Key" ]; then
Namesilo_Key=""
_err "API token for namesilo.com is missing."
_err "Please specify that in your environment variable."
return 1
fi
#save the api key and email to the account conf file.
_saveaccountconf Namesilo_Key "$Namesilo_Key"
if ! _get_root "$fulldomain"; then
_err "Unable to find domain specified."
return 1
fi
_debug _sub_domain "$_sub_domain"
_debug _domain "$_domain"
_debug txtvalue "$txtvalue"
if _namesilo_rest GET "dnsAddRecord?version=1&type=xml&key=$Namesilo_Key&domain=$_domain&rrtype=TXT&rrhost=$_sub_domain&rrvalue=$txtvalue"; then
retcode=$(printf "%s\n" "$response" | _egrep_o "<code>300")
if [ "$retcode" ]; then
_info "Successfully added TXT record, ready for validation."
return 0
else
_err "Unable to add the DNS record."
return 1
fi
fi
}
#Usage: fulldomain txtvalue
#Remove the txt record after validation.
dns_namesilo_rm() {
fulldomain=$1
txtvalue=$2
if ! _get_root "$fulldomain"; then
_err "Unable to find domain specified."
return 1
fi
# Get the record id.
if _namesilo_rest GET "dnsListRecords?version=1&type=xml&key=$Namesilo_Key&domain=$_domain"; then
retcode=$(printf "%s\n" "$response" | _egrep_o "<code>300")
if [ "$retcode" ]; then
_record_id=$(echo "$response" | _egrep_o "<record_id>([^<]*)</record_id><type>TXT</type><host>$fulldomain</host>" | _egrep_o "<record_id>([^<]*)</record_id>" | sed -r "s/<record_id>([^<]*)<\/record_id>/\1/" | tail -n 1)
_debug _record_id "$_record_id"
if [ "$_record_id" ]; then
_info "Successfully retrieved the record id for ACME challenge."
else
_info "Empty record id, it seems no such record."
return 0
fi
else
_err "Unable to retrieve the record id."
return 1
fi
fi
# Remove the DNS record using record id.
if _namesilo_rest GET "dnsDeleteRecord?version=1&type=xml&key=$Namesilo_Key&domain=$_domain&rrid=$_record_id"; then
retcode=$(printf "%s\n" "$response" | _egrep_o "<code>300")
if [ "$retcode" ]; then
_info "Successfully removed the TXT record."
return 0
else
_err "Unable to remove the DNS record."
return 1
fi
fi
}
#################### Private functions below ##################################
# _acme-challenge.www.domain.com
# returns
# _sub_domain=_acme-challenge.www
# _domain=domain.com
_get_root() {
domain=$1
i=2
p=1
if ! _namesilo_rest GET "listDomains?version=1&type=xml&key=$Namesilo_Key"; then
return 1
fi
# Need to exclude the last field (tld)
numfields=$(echo "$domain" | _egrep_o "\." | wc -l)
while [ $i -le "$numfields" ]; do
host=$(printf "%s" "$domain" | cut -d . -f $i-100)
_debug host "$host"
if [ -z "$host" ]; then
return 1
fi
if _contains "$response" "$host"; then
_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
_domain="$host"
return 0
fi
p=$i
i=$(_math "$i" + 1)
done
return 1
}
_namesilo_rest() {
method=$1
param=$2
data=$3
if [ "$method" != "GET" ]; then
response="$(_post "$data" "$Namesilo_API/$param" "" "$method")"
else
response="$(_get "$Namesilo_API/$param")"
fi
if [ "$?" != "0" ]; then
_err "error $param"
return 1
fi
_debug2 response "$response"
return 0
}