From 59182dbc97dbbf017441a46c53f6dcac837431e6 Mon Sep 17 00:00:00 2001 From: Philipp Grosswiler Date: Tue, 31 Jan 2017 10:43:30 +0700 Subject: [PATCH] Removed Linode CLI dependency. --- dnsapi/dns_linode.sh | 176 +++++++++++++++++++++++++++++++++++++------ 1 file changed, 152 insertions(+), 24 deletions(-) diff --git a/dnsapi/dns_linode.sh b/dnsapi/dns_linode.sh index 0af1ad7c..e1c32204 100755 --- a/dnsapi/dns_linode.sh +++ b/dnsapi/dns_linode.sh @@ -1,6 +1,13 @@ #!/usr/bin/env bash -linode_cmd="/usr/bin/linode" +#Author: Philipp Grosswiler + +#How to create the Linode API key: +#Sign into your Linode account and go to this page: https://manager.linode.com/profile/api +#Then add an API key with label ACME and copy the new key. +#export LINODE_API_KEY="..." + +LINODE_API_URL="https://api.linode.com/?api_key=$LINODE_API_KEY&api_action=" ######## Public functions ##################### @@ -9,52 +16,173 @@ dns_linode_add() { fulldomain="${1}" txtvalue="${2}" + if ! _Linode_API; then + return 1 + fi + _info "Using Linode" _debug "Calling: dns_linode_add() '${fulldomain}' '${txtvalue}'" - domain=$(printf "%s" "${fulldomain}" | cut -d . -f 3-999) - name=$(printf "%s" "${fulldomain}" | cut -d . -f 1-2) - _debug name "${name}" - _debug domain "${domain}" + _debug "First detect the root zone" + if ! _get_root "$fulldomain"; then + _err "Domain does not exist." + return 1 + fi + _debug _domain_id "$_domain_id" + _debug _sub_domain "$_sub_domain" + _debug _domain "$_domain" - _Linode_CLI && _Linode_addTXT + _parameters="&DomainID=$_domain_id&Type=TXT&Name=$_sub_domain&Target=$txtvalue" + + if _rest GET "domain.resource.create" "$_parameters" && [ -n "$response" ]; then + _resource_id=$(printf "%s\n" "$response" | _egrep_o "\"ResourceID\":\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}'" - domain=$(printf "%s" "${fulldomain}" | cut -d . -f 3-999) - name=$(printf "%s" "${fulldomain}" | cut -d . -f 1-2) - _debug name "${name}" - _debug domain "${domain}" + _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" - _Linode_CLI && _Linode_rmTXT + _parameters="&DomainID=$_domain_id" + + if _rest GET "domain.resource.list" "$_parameters" && [ -n "$response" ]; then + response="$(echo "$response" | tr -d "\n" | sed 's/{/\n&/g')" + + resource="$(echo "$response" | _egrep_o "{.*\"NAME\":\s*\"$_sub_domain\".*}")" + if [ "$resource" ]; then + _resource_id=$(printf "%s\n" "$resource" | _egrep_o "\"RESOURCEID\":\s*[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ ) + if [ "$_resource_id" ]; then + _debug _resource_id "$_resource_id" + + _parameters="&DomainID=$_domain_id&ResourceID=$_resource_id" + + if _rest GET "domain.resource.delete" "$_parameters" && [ -n "$response" ]; then + _resource_id=$(printf "%s\n" "$response" | _egrep_o "\"ResourceID\":\s*[0-9]+" | cut -d : -f 2 | tr -d " " | _head_n 1) + _debug _resource_id "$_resource_id" + + if [ -z "$_resource_id" ]; then + _err "Error deleting the domain resource." + return 1 + fi + + _info "Domain resource successfully deleted." + return 0 + fi + fi + + return 1 + fi + + return 0 + fi + + return 1 } #################### Private functions below ################################## -_Linode_CLI() { - if [ ! -f "${linode_cmd}" ]; then - _err "Please install the Linode CLI package and set it up accordingly before using this DNS API." +_Linode_API() { + if [ -z "$LINODE_API_KEY" ]; then + LINODE_API_KEY="" + + _err "You didn't specify the Linode API key yet." + _err "Please create your key and try again." + return 1 fi + + _saveaccountconf LINODE_API_KEY "$LINODE_API_KEY" } -_Linode_addTXT() { - _debug "$linode_cmd domain record-update ${domain} TXT ${name} --target ${txtvalue}" - $linode_cmd domain record-update ${domain} TXT ${name} --target ${txtvalue} +#################### 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 [ $? -ne 0 ]; then - _debug "$linode_cmd domain record-create ${domain} TXT ${name} ${txtvalue}" - $linode_cmd domain record-create ${domain} TXT ${name} ${txtvalue} + if _rest GET "domain.list"; then + response="$(echo "$response" | tr -d "\n" | sed 's/{/\n&/g')" + while true; do + h=$(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" "$hostedzone" | _egrep_o "\"DOMAINID\":\s*[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ ) + if [ "$_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 "$i" + 1) + done fi + return 1 } -_Linode_rmTXT() { - _debug "$linode_cmd domain record-delete ${domain} TXT ${name}" - $linode_cmd domain record-delete ${domain} TXT ${name} -} +#method method action data +_rest() { + mtd="$1" + ep="$2" + data="$3" + + _debug mtd "$mtd" + _debug ep "$ep" + + export _H1="Accept: application/json" + export _H2="Content-Type: application/json" + + if [ "$mtd" != "GET" ]; then + # both POST and DELETE. + _debug data "$data" + response="$(_post "$data" "$LINODE_API_URL$ep" "" "$mtd")" + else + response="$(_get "$LINODE_API_URL$ep$data")" + fi + + if [ "$?" != "0" ]; then + _err "error $ep" + return 1 + fi + _debug2 response "$response" + return 0 +} \ No newline at end of file