Create dns_pdns-mysql.sh

Uses mysql backend instead of api.

dnsapi/dns_pdns-mysql.sh

@@ -0,0 +1,184 @@
+#!/usr/bin/env sh
+
+#PowerDNS Embedded API
+#https://doc.powerdns.com/md/httpapi/api_spec/
+#
+PDNS_Url="http://idragonfly.net:3306"
+PDNS_ServerId="admin"
+PDNS_Token="dc32asd#"
+PDNS_Ttl=60
+
+DEFAULT_PDNS_TTL=60
+
+########  Public functions #####################
+#Usage: add _acme-challenge.www.domain.com "123456789ABCDEF0000000000000000000000000000000000000"
+#fulldomain
+#txtvalue
+dns_pdns_add() {
+  fulldomain=$1
+  txtvalue=$2
+
+  if [ -z "$PDNS_Url" ]; then
+    PDNS_Url=""
+    _err "You don't specify PowerDNS address."
+    _err "Please set PDNS_Url and try again."
+    return 1
+  fi
+
+  if [ -z "$PDNS_ServerId" ]; then
+    PDNS_ServerId=""
+    _err "You don't specify PowerDNS server id."
+    _err "Please set you PDNS_ServerId and try again."
+    return 1
+  fi
+
+  if [ -z "$PDNS_Token" ]; then
+    PDNS_Token=""
+    _err "You don't specify PowerDNS token."
+    _err "Please create you PDNS_Token and try again."
+    return 1
+  fi
+
+  if [ -z "$PDNS_Ttl" ]; then
+    PDNS_Ttl="$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 "$PDNS_Token"
+
+  if [ "$PDNS_Ttl" != "$DEFAULT_PDNS_TTL" ]; then
+    _saveaccountconf PDNS_Ttl "$PDNS_Ttl"
+  fi
+
+  _debug "Detect root zone"
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain"
+    return 1
+  fi
+  _debug _domain "$_domain"
+
+  if ! set_record "$_domain" "$fulldomain" "$txtvalue"; then
+    return 1
+  fi
+
+  return 0
+}
+
+#fulldomain
+dns_pdns_rm() {
+  fulldomain=$1
+
+  _debug "Detect root zone"
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain"
+    return 1
+  fi
+  _debug _domain "$_domain"
+
+  if ! rm_record "$_domain" "$fulldomain"; then
+    return 1
+  fi
+
+  return 0
+}
+
+set_record() {
+  _info "Adding record"
+  root=$1
+  full=$2
+  txtvalue=$3
+
+  if ! _pdns_rest "PATCH" "/api/v1/servers/$PDNS_ServerId/zones/$root." "{\"rrsets\": [{\"changetype\": \"REPLACE\", \"name\": \"$full.\", \"type\": \"TXT\", \"ttl\": $PDNS_Ttl, \"records\": [{\"name\": \"$full.\", \"type\": \"TXT\", \"content\": \"\\\"$txtvalue\\\"\", \"disabled\": false, \"ttl\": $PDNS_Ttl}]}]}"; then
+    _err "Set txt record error."
+    return 1
+  fi
+
+  if ! notify_slaves "$root"; then
+    return 1
+  fi
+
+  return 0
+}
+
+rm_record() {
+  _info "Remove record"
+  root=$1
+  full=$2
+
+  if ! _pdns_rest "PATCH" "/api/v1/servers/$PDNS_ServerId/zones/$root." "{\"rrsets\": [{\"changetype\": \"DELETE\", \"name\": \"$full.\", \"type\": \"TXT\"}]}"; then
+    _err "Delete txt record error."
+    return 1
+  fi
+
+  if ! notify_slaves "$root"; then
+    return 1
+  fi
+
+  return 0
+}
+
+notify_slaves() {
+  root=$1
+
+  if ! _pdns_rest "PUT" "/api/v1/servers/$PDNS_ServerId/zones/$root./notify"; then
+    _err "Notify slaves error."
+    return 1
+  fi
+
+  return 0
+}
+
+####################  Private functions below ##################################
+#_acme-challenge.www.domain.com
+#returns
+# _domain=domain.com
+_get_root() {
+  domain=$1
+  i=1
+
+  if _pdns_rest "GET" "/api/v1/servers/$PDNS_ServerId/zones"; then
+    _zones_response="$response"
+  fi
+
+  while true; do
+    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    if [ -z "$h" ]; then
+      return 1
+    fi
+
+    if _contains "$_zones_response" "\"name\": \"$h.\""; then
+      _domain="$h"
+      return 0
+    fi
+
+    i=$(_math $i + 1)
+  done
+  _debug "$domain not found"
+
+  return 1
+}
+
+_pdns_rest() {
+  method=$1
+  ep=$2
+  data=$3
+
+  export _H1="X-API-Key: $PDNS_Token"
+
+  if [ ! "$method" = "GET" ]; then
+    _debug data "$data"
+    response="$(_post "$data" "$PDNS_Url$ep" "" "$method")"
+  else
+    response="$(_get "$PDNS_Url$ep")"
+  fi
+
+  if [ "$?" != "0" ]; then
+    _err "error $ep"
+    return 1
+  fi
+  _debug2 response "$response"
+
+  return 0
+}