Removed Linode CLI dependency.

dnsapi/dns_linode.sh

@@ -1,6 +1,13 @@
 #!/usr/bin/env bash
 
-linode_cmd="/usr/bin/linode"
+#Author: Philipp Grosswiler <philipp.grosswiler@swiss-design.net>
+
+#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)
+  _debug "First detect the root zone"
-  name=$(printf "%s" "${fulldomain}" | cut -d . -f 1-2)
+  if ! _get_root "$fulldomain"; then
-  _debug name "${name}"
+    _err "Domain does not exist."
-  _debug domain "${domain}"
+    return 1
+  fi
+  _debug _domain_id "$_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)
+  _debug "First detect the root zone"
-  name=$(printf "%s" "${fulldomain}" | cut -d . -f 1-2)
+  if ! _get_root "$fulldomain"; then
-  _debug name "${name}"
+    _err "Domain does not exist."
-  _debug domain "${domain}"
+    return 1
+  fi
+  _debug _domain_id "$_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() {
+_Linode_API() {
-  if [ ! -f "${linode_cmd}" ]; then
+  if [ -z "$LINODE_API_KEY" ]; then
-    _err "Please install the Linode CLI package and set it up accordingly before using this DNS API."
+    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() {
+####################  Private functions below ##################################
-  _debug "$linode_cmd domain record-update ${domain} TXT ${name} --target ${txtvalue}"
+#_acme-challenge.www.domain.com
-  $linode_cmd domain record-update ${domain} TXT ${name} --target ${txtvalue}
+#returns
+# _sub_domain=_acme-challenge.www
+# _domain=domain.com
+# _domain_id=12345
+_get_root() {
+  domain=$1
+  i=2
+  p=1
 
-  if [ $? -ne 0 ]; then
+  if _rest GET "domain.list"; then
-    _debug "$linode_cmd domain record-create ${domain} TXT ${name} ${txtvalue}"
+    response="$(echo "$response" | tr -d "\n" | sed 's/{/\n&/g')"
-    $linode_cmd domain record-create ${domain} TXT ${name} ${txtvalue}
+    while true; do
+      h=$(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() {
+#method method action data
-  _debug "$linode_cmd domain record-delete ${domain} TXT ${name}"
+_rest() {
-  $linode_cmd domain record-delete ${domain} TXT ${name}
+  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
+}