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dnsapi: add deSEC.io api support
Signed-off-by: James Qian <sotux82@gmail.com>
This commit is contained in:
James Qian
parent
37161d3017
commit
3bb97b81de
204
dnsapi/dns_desec.sh
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204
dnsapi/dns_desec.sh
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#!/usr/bin/env sh
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#
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# deSEC.io Domain API
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#
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# Author: Zheng Qian
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#
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# deSEC API doc
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# https://desec.readthedocs.io/en/latest/
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REST_API="https://desec.io/api/v1/domains"
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######## Public functions #####################
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#Usage: dns_desec_add _acme-challenge.foobar.dedyn.io "d41d8cd98f00b204e9800998ecf8427e"
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dns_desec_add() {
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fulldomain=$1
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txtvalue=$2
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_info "Using desec.io api"
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_debug fulldomain "$fulldomain"
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_debug txtvalue "$txtvalue"
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DEDYN_TOKEN="${DEDYN_TOKEN:-$(_readaccountconf_mutable DEDYN_TOKEN)}"
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DEDYN_NAME="${DEDYN_NAME:-$(_readaccountconf_mutable DEDYN_NAME)}"
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if [ -z "$DEDYN_TOKEN" ] || [ -z "$DEDYN_NAME" ]; then
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DEDYN_TOKEN=""
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DEDYN_NAME=""
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_err "You don't specify DEDYN_TOKEN and DEDYN_NAME yet."
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_err "Please create you key and try again."
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_err "e.g."
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_err "export DEDYN_TOKEN=d41d8cd98f00b204e9800998ecf8427e"
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_err "export DEDYN_NAME=foobar.dedyn.io"
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return 1
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fi
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#save the api token and name to the account conf file.
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_saveaccountconf_mutable DEDYN_TOKEN "$DEDYN_TOKEN"
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_saveaccountconf_mutable DEDYN_NAME "$DEDYN_NAME"
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_debug "First detect the root zone"
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if ! _get_root "$fulldomain" "$REST_API/"; then
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_err "invalid domain"
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return 1
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fi
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_debug _sub_domain "$_sub_domain"
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_debug _domain "$_domain"
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# Get existing TXT record
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_debug "Getting txt records"
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txtvalues="\"\\\"$txtvalue\\\"\""
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_desec_rest GET "$REST_API/$DEDYN_NAME/rrsets/$_sub_domain/TXT/"
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if [ "$_code" = "200" ]; then
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oldtxtvalues="$(echo "$response" | _egrep_o "\"records\":\\[\"\\S*\"\\]" | cut -d : -f 2 | tr -d "[]\\\\\"" | sed "s/,/ /g")"
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_debug "existing TXT found"
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_debug oldtxtvalues "$oldtxtvalues"
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if [ -n "$oldtxtvalues" ]; then
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for oldtxtvalue in $oldtxtvalues; do
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txtvalues="$txtvalues, \"\\\"$oldtxtvalue\\\"\""
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done
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fi
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fi
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_debug txtvalues "$txtvalues"
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_info "Adding record"
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body="[{\"subname\":\"$_sub_domain\", \"type\":\"TXT\", \"records\":[$txtvalues], \"ttl\":60}]"
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if _desec_rest PUT "$REST_API/$DEDYN_NAME/rrsets/" "$body"; then
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if _contains "$response" "$txtvalue"; then
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_info "Added, OK"
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return 0
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else
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_err "Add txt record error."
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return 1
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fi
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fi
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_err "Add txt record error."
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return 1
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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_desec_rm() {
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fulldomain=$1
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txtvalue=$2
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_info "Using desec.io api"
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_debug fulldomain "$fulldomain"
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_debug txtvalue "$txtvalue"
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DEDYN_TOKEN="${DEDYN_TOKEN:-$(_readaccountconf_mutable DEDYN_TOKEN)}"
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DEDYN_NAME="${DEDYN_NAME:-$(_readaccountconf_mutable DEDYN_NAME)}"
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if [ -z "$DEDYN_TOKEN" ] || [ -z "$DEDYN_NAME" ]; then
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DEDYN_TOKEN=""
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DEDYN_NAME=""
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_err "You don't specify DEDYN_TOKEN and DEDYN_NAME yet."
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_err "Please create you key and try again."
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_err "e.g."
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_err "export DEDYN_TOKEN=d41d8cd98f00b204e9800998ecf8427e"
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_err "export DEDYN_NAME=foobar.dedyn.io"
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return 1
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fi
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_debug "First detect the root zone"
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if ! _get_root "$fulldomain" "$REST_API/"; then
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_err "invalid domain"
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return 1
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fi
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_debug _sub_domain "$_sub_domain"
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_debug _domain "$_domain"
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# Get existing TXT record
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_debug "Getting txt records"
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txtvalues=""
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_desec_rest GET "$REST_API/$DEDYN_NAME/rrsets/$_sub_domain/TXT/"
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if [ "$_code" = "200" ]; then
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oldtxtvalues="$(echo "$response" | _egrep_o "\"records\":\\[\"\\S*\"\\]" | cut -d : -f 2 | tr -d "[]\\\\\"" | sed "s/,/ /g")"
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_debug "existing TXT found"
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_debug oldtxtvalues "$oldtxtvalues"
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if [ -n "$oldtxtvalues" ]; then
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for oldtxtvalue in $oldtxtvalues; do
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if [ "$txtvalue" != "$oldtxtvalue" ]; then
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txtvalues="$txtvalues, \"\\\"$oldtxtvalue\\\"\""
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fi
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done
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fi
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fi
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txtvalues="$(echo "$txtvalues" | cut -c3-)"
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_debug txtvalues "$txtvalues"
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_info "Deleting record"
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body="[{\"subname\":\"$_sub_domain\", \"type\":\"TXT\", \"records\":[$txtvalues], \"ttl\":60}]"
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_desec_rest PUT "$REST_API/$DEDYN_NAME/rrsets/" "$body"
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if [ "$_code" = "200" ]; then
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_info "Deleted, OK"
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return 0
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fi
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_err "Delete txt record error."
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return 1
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}
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#################### Private functions below ##################################
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_desec_rest() {
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m="$1"
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ep="$2"
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data="$3"
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export _H1="Authorization: Token $DEDYN_TOKEN"
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export _H2="Accept: application/json"
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export _H3="Content-Type: application/json"
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if [ "$m" != "GET" ]; then
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_secure_debug2 data "$data"
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response="$(_post "$data" "$ep" "" "$m")"
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else
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response="$(_get "$ep")"
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fi
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_ret="$?"
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_code="$(grep "^HTTP" "$HTTP_HEADER" | _tail_n 1 | cut -d " " -f 2 | tr -d "\\r\\n")"
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_debug "http response code $_code"
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_secure_debug2 response "$response"
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if [ "$_ret" != "0" ]; then
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_err "error $ep"
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return 1
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fi
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response="$(printf "%s" "$response" | _normalizeJson)"
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return 0
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}
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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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ep="$2"
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i=2
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p=1
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while true; do
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h=$(printf "%s" "$domain" | cut -d . -f $i-100)
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_debug h "$h"
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if [ -z "$h" ]; then
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#not valid
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return 1
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fi
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if ! _desec_rest GET "$ep"; then
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return 1
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fi
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if _contains "$response" "\"name\":\"$h\"" >/dev/null; then
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_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
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_domain=$h
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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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