#!/usr/bin/env sh
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#Author: Philipp Grosswiler <philipp.grosswiler@swiss-design.net>
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LINODE_API_URL="https://api.linode.com/?api_key=$LINODE_API_KEY&api_action="
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######## Public functions #####################
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#Usage: dns_linode_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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dns_linode_add() {
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fulldomain="${1}"
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txtvalue="${2}"
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if ! _Linode_API; then
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return 1
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fi
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_info "Using Linode"
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_debug "Calling: dns_linode_add() '${fulldomain}' '${txtvalue}'"
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_debug "First detect the root zone"
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if ! _get_root "$fulldomain"; then
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_err "Domain does not exist."
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return 1
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fi
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_debug _domain_id "$_domain_id"
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_debug _sub_domain "$_sub_domain"
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_debug _domain "$_domain"
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_parameters="&DomainID=$_domain_id&Type=TXT&Name=$_sub_domain&Target=$txtvalue"
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if _rest GET "domain.resource.create" "$_parameters" && [ -n "$response" ]; then
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_resource_id=$(printf "%s\n" "$response" | _egrep_o "\"ResourceID\":\s*[0-9]+" | cut -d : -f 2 | tr -d " " | _head_n 1)
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_debug _resource_id "$_resource_id"
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if [ -z "$_resource_id" ]; then
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_err "Error adding the domain resource."
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return 1
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fi
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_info "Domain resource successfully added."
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return 0
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fi
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return 1
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}
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#Usage: dns_linode_rm _acme-challenge.www.domain.com
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dns_linode_rm() {
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fulldomain="${1}"
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if ! _Linode_API; then
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return 1
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fi
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_info "Using Linode"
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_debug "Calling: dns_linode_rm() '${fulldomain}'"
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_debug "First detect the root zone"
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if ! _get_root "$fulldomain"; then
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_err "Domain does not exist."
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return 1
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fi
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_debug _domain_id "$_domain_id"
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_debug _sub_domain "$_sub_domain"
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_debug _domain "$_domain"
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_parameters="&DomainID=$_domain_id"
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if _rest GET "domain.resource.list" "$_parameters" && [ -n "$response" ]; then
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response="$(echo "$response" | tr -d "\n" | tr '{' "|" | sed 's/|/&{/g' | tr "|" "\n")"
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resource="$(echo "$response" | _egrep_o "{.*\"NAME\":\s*\"$_sub_domain\".*}")"
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if [ "$resource" ]; then
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_resource_id=$(printf "%s\n" "$resource" | _egrep_o "\"RESOURCEID\":\s*[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ )
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if [ "$_resource_id" ]; then
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_debug _resource_id "$_resource_id"
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_parameters="&DomainID=$_domain_id&ResourceID=$_resource_id"
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if _rest GET "domain.resource.delete" "$_parameters" && [ -n "$response" ]; then
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_resource_id=$(printf "%s\n" "$response" | _egrep_o "\"ResourceID\":\s*[0-9]+" | cut -d : -f 2 | tr -d " " | _head_n 1)
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_debug _resource_id "$_resource_id"
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if [ -z "$_resource_id" ]; then
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_err "Error deleting the domain resource."
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return 1
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fi
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_info "Domain resource successfully deleted."
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return 0
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fi
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fi
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return 1
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fi
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return 0
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fi
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return 1
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}
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#################### Private functions below ##################################
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_Linode_API() {
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if [ -z "$LINODE_API_KEY" ]; then
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LINODE_API_KEY=""
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_err "You didn't specify the Linode API key yet."
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_err "Please create your key and try again."
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return 1
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fi
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_saveaccountconf LINODE_API_KEY "$LINODE_API_KEY"
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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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# _domain_id=12345
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_get_root() {
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domain=$1
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i=2
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p=1
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if _rest GET "domain.list"; then
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response="$(echo "$response" | tr -d "\n" | tr '{' "|" | sed 's/|/&{/g' | tr "|" "\n")"
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while true; do
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h=$(printf "%s" "$domain" | cut -d . -f $i-100)
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_debug h "$h"
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if [ -z "$h" ]; then
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#not valid
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return 1
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fi
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hostedzone="$(echo "$response" | _egrep_o "{.*\"DOMAIN\":\s*\"$h\".*}")"
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if [ "$hostedzone" ]; then
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_domain_id=$(printf "%s\n" "$hostedzone" | _egrep_o "\"DOMAINID\":\s*[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ )
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if [ "$_domain_id" ]; 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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return 1
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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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fi
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return 1
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}
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#method method action data
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_rest() {
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mtd="$1"
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ep="$2"
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data="$3"
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_debug mtd "$mtd"
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_debug ep "$ep"
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export _H1="Accept: application/json"
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export _H2="Content-Type: application/json"
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if [ "$mtd" != "GET" ]; then
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# both POST and DELETE.
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_debug data "$data"
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response="$(_post "$data" "$LINODE_API_URL$ep" "" "$mtd")"
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else
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response="$(_get "$LINODE_API_URL$ep$data")"
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fi
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if [ "$?" != "0" ]; then
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_err "error $ep"
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return 1
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fi
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_debug2 response "$response"
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return 0
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}
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