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