acme.sh/dnsapi/dns_pdns.sh

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#!/usr/bin/env sh
#PowerDNS Emdedded API
#https://doc.powerdns.com/md/httpapi/api_spec/
#
#PDNS_Url="http://ns.example.com:8081"
#PDNS_ServerId="localhost"
#PDNS_Token="0123456789ABCDEF"
#PDNS_Ttl=60
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DEFAULT_PDNS_TTL=60
######## Public functions #####################
#Usage: add _acme-challenge.www.domain.com "123456789ABCDEF0000000000000000000000000000000000000"
dns_pdns_add() {
fulldomain=$1
txtvalue=$2
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if [ -z "$PDNS_Url" ]; then
_err "You don't specify PowerDNS address."
_err "Please set PDNS_Url and try again."
return 1
fi
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if [ -z "$PDNS_ServerId" ]; then
_err "You don't specify PowerDNS server id."
_err "Please set you PDNS_ServerId and try again."
return 1
fi
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if [ -z "$PDNS_Token" ]; then
_err "You don't specify PowerDNS token."
_err "Please create you PDNS_Token and try again."
return 1
fi
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if [ -z "$PDNS_Ttl" ]; then
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PDNS_Ttl="$DEFAULT_PDNS_TTL"
fi
#save the api addr and key to the account conf file.
_saveaccountconf PDNS_Url "$PDNS_Url"
_saveaccountconf PDNS_ServerId "$PDNS_ServerId"
_saveaccountconf PDNS_Token "$PDNS_Token"
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if [ "$PDNS_Ttl" != "$DEFAULT_PDNS_TTL" ]; then
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_saveaccountconf PDNS_Ttl "$PDNS_Ttl"
fi
_debug "First detect the root zone"
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if ! _get_root "$fulldomain"; then
_err "invalid domain"
return 1
fi
_debug _domain "$_domain"
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if ! set_record "$_domain" "$fulldomain" "$txtvalue"; then
return 1
fi
return 0
}
#fulldomain
dns_pdns_rm() {
fulldomain=$1
}
set_record() {
_info "Adding record"
root=$1
full=$2
txtvalue=$3
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if ! _pdns_rest "PATCH" "/api/v1/servers/$PDNS_ServerId/zones/$root." "{\"rrsets\": [{\"name\": \"$full.\", \"changetype\": \"REPLACE\", \"type\": \"TXT\", \"ttl\": $PDNS_Ttl, \"records\": [{\"name\": \"$full.\", \"type\": \"TXT\", \"content\": \"\\\"$txtvalue\\\"\", \"disabled\": false, \"ttl\": $PDNS_Ttl}]}]}"; then
_err "Set txt record error."
return 1
fi
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if ! _pdns_rest "PUT" "/api/v1/servers/$PDNS_ServerId/zones/$root./notify"; then
_err "Notify servers error."
return 1
fi
return 0
}
#################### Private functions bellow ##################################
#_acme-challenge.www.domain.com
#returns
# _domain=domain.com
_get_root() {
domain=$1
i=1
p=1
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if _pdns_rest "GET" "/api/v1/servers/$PDNS_ServerId/zones"; then
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_zones_response="$response"
fi
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while true; do
h=$(printf "%s" "$domain" | cut -d . -f $i-100)
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if [ -z "$h" ]; then
return 1
fi
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if _contains "$_zones_response" "\"name\": \"$h.\""; then
_domain="$h"
return 0
fi
p=$i
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i=$(_math $i + 1)
done
_debug "$domain not found"
return 1
}
_pdns_rest() {
method=$1
ep=$2
data=$3
_H1="X-API-Key: $PDNS_Token"
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if [ ! "$method" = "GET" ]; then
_debug data "$data"
response="$(_post "$data" "$PDNS_Url$ep" "" "$method")"
else
response="$(_get "$PDNS_Url$ep")"
fi
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if [ "$?" != "0" ]; then
_err "error $ep"
return 1
fi
_debug2 response "$response"
return 0
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}