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+#!/usr/bin/env sh
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+
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+#Original Author: Philipp Grosswiler <philipp.grosswiler@swiss-design.net>
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+#v4 Update Author: Aaron W. Swenson <aaron@grandmasfridge.org>
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+
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+LINODE_V4_API_URL="https://api.linode.com/v4/domains"
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+
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+######## Public functions #####################
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+
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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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+
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+ if ! _Linode_API; then
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+ return 1
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+ fi
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+
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+ _info "Using Linode"
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+ _debug "Calling: dns_linode_add() '${fulldomain}' '${txtvalue}'"
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+
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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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+
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+ _payload="{
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+ \"type\": \"TXT\",
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+ \"name\": \"$_sub_domain\",
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+ \"target\": \"$txtvalue\"
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+ }"
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+
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+ if _rest POST "/$_domain_id/records" "$_payload" && [ -n "$response" ]; then
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+ _resource_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":\s*[0-9]+" | cut -d : -f 2 | tr -d " " | _head_n 1)
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+ _debug _resource_id "$_resource_id"
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+
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+ if [ -z "$_resource_id" ]; then
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+ _err "Error adding the domain resource."
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+ return 1
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+ fi
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+
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+ _info "Domain resource successfully added."
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+ return 0
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+ fi
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+
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+ return 1
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+}
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+
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+#Usage: dns_linode_rm _acme-challenge.www.domain.com
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+dns_linode_rm() {
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+ fulldomain="${1}"
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+
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+ if ! _Linode_API; then
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+ return 1
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+ fi
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+
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+ _info "Using Linode"
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+ _debug "Calling: dns_linode_rm() '${fulldomain}'"
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+
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+ _debug "First detect the root zone"
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+ if ! _get_root "$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 "$_domain"
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+
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+ if _rest GET "/$_domain_id/records" && [ -n "$response" ]; then
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+ response="$(echo "$response" | tr -d "\n" | tr '{' "|" | sed 's/|/&{/g' | tr "|" "\n")"
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+
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+ resource="$(echo "$response" | _egrep_o "{.*\"name\":\s*\"$_sub_domain\".*}")"
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+ if [ "$resource" ]; then
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+ _resource_id=$(printf "%s\n" "$resource" | _egrep_o "\"id\":\s*[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ )
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+ if [ "$_resource_id" ]; then
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+ _debug _resource_id "$_resource_id"
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+
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+ if _rest DELETE "/$_domain_id/records/$_resource_id" && [ -n "$response" ]; then
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+ # On 200/OK, empty set is returned. Check for error, if any.
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+ _error_response=$(printf "%s\n" "$response" | _egrep_o "\"errors\"" | cut -d : -f 2 | tr -d " " | _head_n 1)
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+
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+ if [ -n "$_error_response" ]; then
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+ _err "Error deleting the domain resource: $_error_response"
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+ return 1
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+ fi
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+
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+ _info "Domain resource successfully deleted."
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+ return 0
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+ fi
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+ fi
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+
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+ return 1
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+ fi
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+
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+ return 0
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+ fi
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+
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+ return 1
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+}
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+
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+#################### Private functions below ##################################
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+
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+_Linode_API() {
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+ if [ -z "$LINODE_V4_API_KEY" ]; then
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+ LINODE_V4_API_KEY=""
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+
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+ _err "You didn't specify the Linode v4 API key yet."
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+ _err "Please create your key and try again."
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+
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+ return 1
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+ fi
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+
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+ _saveaccountconf LINODE_V4_API_KEY "$LINODE_V4_API_KEY"
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+}
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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=$1
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+ i=2
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+ p=1
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+
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+ if _rest GET; then
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+ response="$(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 "$h" ]; then
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+ #not valid
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+ return 1
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+ fi
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+
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+ hostedzone="$(echo "$response" | _egrep_o "{.*\"domain\":\s*\"$h\".*}")"
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+ if [ "$hostedzone" ]; then
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+ _domain_id=$(printf "%s\n" "$hostedzone" | _egrep_o "\"id\":\s*[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ )
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+ if [ "$_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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+
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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="$3"
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+
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+ _debug mtd "$mtd"
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+ _debug ep "$ep"
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+
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+ export _H1="Accept: application/json"
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+ export _H2="Content-Type: application/json"
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+ export _H3="Authorization: Bearer $LINODE_V4_API_KEY"
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+
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+ if [ "$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_V4_API_URL$ep" "" "$mtd")"
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+ else
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+ response="$(_get "$LINODE_V4_API_URL$ep$data")"
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+ fi
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+
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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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neil