acme.sh/dnsapi/dns_linode_v4.sh
Aaron W. Swenson c8c1140f15 Linode API v4 Redo
The Cloud and Classic Manager work with different APIs, and so require
a separate module, which we introduce here.

The README has also been modified to state that the two are separate
and incompatible, and provides instructions on using either.
2018-12-20 11:01:34 -05:00

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#!/usr/bin/env sh
#Original Author: Philipp Grosswiler <philipp.grosswiler@swiss-design.net>
#v4 Update Author: Aaron W. Swenson <aaron@grandmasfridge.org>
LINODE_V4_API_URL="https://api.linode.com/v4/domains"
######## Public functions #####################
#Usage: dns_linode_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
dns_linode_add() {
fulldomain="${1}"
txtvalue="${2}"
if ! _Linode_API; then
return 1
fi
_info "Using Linode"
_debug "Calling: dns_linode_add() '${fulldomain}' '${txtvalue}'"
_debug "First detect the root zone"
if ! _get_root "$fulldomain"; then
_err "Domain does not exist."
return 1
fi
_debug _domain_id "$_domain_id"
_debug _sub_domain "$_sub_domain"
_debug _domain "$_domain"
_payload="{
\"type\": \"TXT\",
\"name\": \"$_sub_domain\",
\"target\": \"$txtvalue\"
}"
if _rest POST "/$_domain_id/records" "$_payload" && [ -n "$response" ]; then
_resource_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":\s*[0-9]+" | cut -d : -f 2 | tr -d " " | _head_n 1)
_debug _resource_id "$_resource_id"
if [ -z "$_resource_id" ]; then
_err "Error adding the domain resource."
return 1
fi
_info "Domain resource successfully added."
return 0
fi
return 1
}
#Usage: dns_linode_rm _acme-challenge.www.domain.com
dns_linode_rm() {
fulldomain="${1}"
if ! _Linode_API; then
return 1
fi
_info "Using Linode"
_debug "Calling: dns_linode_rm() '${fulldomain}'"
_debug "First detect the root zone"
if ! _get_root "$fulldomain"; then
_err "Domain does not exist."
return 1
fi
_debug _domain_id "$_domain_id"
_debug _sub_domain "$_sub_domain"
_debug _domain "$_domain"
if _rest GET "/$_domain_id/records" && [ -n "$response" ]; then
response="$(echo "$response" | tr -d "\n" | tr '{' "|" | sed 's/|/&{/g' | tr "|" "\n")"
resource="$(echo "$response" | _egrep_o "{.*\"name\":\s*\"$_sub_domain\".*}")"
if [ "$resource" ]; then
_resource_id=$(printf "%s\n" "$resource" | _egrep_o "\"id\":\s*[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ )
if [ "$_resource_id" ]; then
_debug _resource_id "$_resource_id"
if _rest DELETE "/$_domain_id/records/$_resource_id" && [ -n "$response" ]; then
# On 200/OK, empty set is returned. Check for error, if any.
_error_response=$(printf "%s\n" "$response" | _egrep_o "\"errors\"" | cut -d : -f 2 | tr -d " " | _head_n 1)
if [ -n "$_error_response" ]; then
_err "Error deleting the domain resource: $_error_response"
return 1
fi
_info "Domain resource successfully deleted."
return 0
fi
fi
return 1
fi
return 0
fi
return 1
}
#################### Private functions below ##################################
_Linode_API() {
if [ -z "$LINODE_V4_API_KEY" ]; then
LINODE_V4_API_KEY=""
_err "You didn't specify the Linode v4 API key yet."
_err "Please create your key and try again."
return 1
fi
_saveaccountconf LINODE_V4_API_KEY "$LINODE_V4_API_KEY"
}
#################### Private functions below ##################################
#_acme-challenge.www.domain.com
#returns
# _sub_domain=_acme-challenge.www
# _domain=domain.com
# _domain_id=12345
_get_root() {
domain=$1
i=2
p=1
if _rest GET; then
response="$(echo "$response" | tr -d "\n" | tr '{' "|" | sed 's/|/&{/g' | tr "|" "\n")"
while true; do
h=$(printf "%s" "$domain" | cut -d . -f $i-100)
_debug h "$h"
if [ -z "$h" ]; then
#not valid
return 1
fi
hostedzone="$(echo "$response" | _egrep_o "{.*\"domain\":\s*\"$h\".*}")"
if [ "$hostedzone" ]; then
_domain_id=$(printf "%s\n" "$hostedzone" | _egrep_o "\"id\":\s*[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ )
if [ "$_domain_id" ]; then
_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
_domain=$h
return 0
fi
return 1
fi
p=$i
i=$(_math "$i" + 1)
done
fi
return 1
}
#method method action data
_rest() {
mtd="$1"
ep="$2"
data="$3"
_debug mtd "$mtd"
_debug ep "$ep"
export _H1="Accept: application/json"
export _H2="Content-Type: application/json"
export _H3="Authorization: Bearer $LINODE_V4_API_KEY"
if [ "$mtd" != "GET" ]; then
# both POST and DELETE.
_debug data "$data"
response="$(_post "$data" "$LINODE_V4_API_URL$ep" "" "$mtd")"
else
response="$(_get "$LINODE_V4_API_URL$ep$data")"
fi
if [ "$?" != "0" ]; then
_err "error $ep"
return 1
fi
_debug2 response "$response"
return 0
}