acme.sh/dnsapi/dns_vultr.sh

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#!/usr/bin/env sh
#
#VULTR_API_KEY=000011112222333344445555666677778888
VULTR_Api="https://api.vultr.com/v1"
######## Public functions #####################
#Usage: add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
dns_vultr_add() {
fulldomain=$1
txtvalue=$2
_debug fulldomain "$fulldomain"
_debug txtvalue "$txtvalue"
VULTR_API_KEY="${VULTR_API_KEY:-$(_readaccountconf_mutable VULTR_API_KEY)}"
if test -z "$VULTR_API_KEY"; then
VULTR_API_KEY=''
_err 'VULTR_API_KEY was not exported'
return 1
fi
_saveaccountconf_mutable VULTR_API_KEY "$VULTR_API_KEY"
_debug 'First detect the root zone'
if ! _get_root "$fulldomain"; then
return 1
fi
_debug _sub_domain "$_sub_domain"
_debug _domain "$_domain"
_debug 'Getting txt records'
_vultr_rest GET "dns/records?domain=$_domain"
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if printf "%s\n" "$response" | grep -- "\"type\":\"TXT\",\"name\":\"$fulldomain\"" >/dev/null; then
_err 'Error'
return 1
fi
if ! _vultr_rest POST 'dns/create_record' "domain=$_domain&name=$_sub_domain&data=\"$txtvalue\"&type=TXT"; then
_err "$response"
return 1
fi
_debug2 _response "$response"
return 0
}
#fulldomain txtvalue
dns_vultr_rm() {
fulldomain=$1
txtvalue=$2
_debug fulldomain "$fulldomain"
_debug txtvalue "$txtvalue"
VULTR_API_KEY="${VULTR_API_KEY:-$(_readaccountconf_mutable VULTR_API_KEY)}"
if test -z "$VULTR_API_KEY"; then
VULTR_API_KEY=""
_err 'VULTR_API_KEY was not exported'
return 1
fi
_saveaccountconf_mutable VULTR_API_KEY "$VULTR_API_KEY"
_debug 'First detect the root zone'
if ! _get_root "$fulldomain"; then
return 1
fi
_debug _sub_domain "$_sub_domain"
_debug _domain "$_domain"
_debug 'Getting txt records'
_vultr_rest GET "dns/records?domain=$_domain"
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if printf "%s\n" "$response" | grep -- "\"type\":\"TXT\",\"name\":\"$fulldomain\"" >/dev/null; then
_err 'Error'
return 1
fi
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_record_id="$(echo "$response" | tr '{}' '\n' | grep '"TXT"' | grep -- "$txtvalue" | tr ',' '\n' | grep -i 'RECORDID' | cut -d : -f 2)"
_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
if ! _vultr_rest POST 'dns/delete_record' "domain=$_domain&RECORDID=$_record_id"; then
_err "$response"
return 1
fi
_debug2 _response "$response"
return 0
}
#################### Private functions below ##################################
#_acme-challenge.www.domain.com
#returns
# _sub_domain=_acme-challenge.www
# _domain=domain.com
# _domain_id=sdjkglgdfewsdfg
_get_root() {
domain=$1
i=1
while true; do
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_domain=$(printf "%s" "$domain" | cut -d . -f $i-100)
_debug h "$_domain"
if [ -z "$_domain" ]; then
return 1
fi
if ! _vultr_rest GET "dns/list"; then
return 1
fi
if printf "%s\n" "$response" | grep '^\[.*\]' >/dev/null; then
if _contains "$response" "\"domain\":\"$_domain\""; then
_sub_domain="$(echo "$fulldomain" | sed "s/\\.$_domain\$//")"
return 0
else
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_debug "Go to next level of $_domain"
fi
else
_err "$response"
return 1
fi
i=$(_math "$i" + 1)
done
return 1
}
_vultr_rest() {
m=$1
ep="$2"
data="$3"
_debug "$ep"
api_key_trimmed=$(echo $VULTR_API_KEY | tr -d '"')
export _H1="Api-Key: $api_key_trimmed"
export _H2='Content-Type: application/x-www-form-urlencoded'
if [ "$m" != "GET" ]; then
_debug data "$data"
response="$(_post "$data" "$VULTR_Api/$ep" "" "$m")"
else
response="$(_get "$VULTR_Api/$ep")"
fi
if [ "$?" != "0" ]; then
_err "Error $ep"
return 1
fi
_debug2 response "$response"
return 0
}