dnsapi/dns_linode_v4.sh

   1 #!/usr/bin/env sh
   2
   3 #Original Author: Philipp Grosswiler <philipp.grosswiler@swiss-design.net>
   4 #v4 Update Author: Aaron W. Swenson <aaron@grandmasfridge.org>
   5
   6 LINODE_V4_API_URL="https://api.linode.com/v4/domains"
   7
   8 ########  Public functions #####################
   9
  10 #Usage: dns_linode_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
  11 dns_linode_v4_add() {
  12   fulldomain="${1}"
  13   txtvalue="${2}"
  14
  15   if ! _Linode_API; then
  16     return 1
  17   fi
  18
  19   _info "Using Linode"
  20   _debug "Calling: dns_linode_add() '${fulldomain}' '${txtvalue}'"
  21
  22   _debug "First detect the root zone"
  23   if ! _get_root "$fulldomain"; then
  24     _err "Domain does not exist."
  25     return 1
  26   fi
  27   _debug _domain_id "$_domain_id"
  28   _debug _sub_domain "$_sub_domain"
  29   _debug _domain "$_domain"
  30
  31   _payload="{
  32               \"type\": \"TXT\",
  33               \"name\": \"$_sub_domain\",
  34               \"target\": \"$txtvalue\"
  35             }"
  36
  37   if _rest POST "/$_domain_id/records" "$_payload" && [ -n "$response" ]; then
  38     _resource_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":\s*[0-9]+" | cut -d : -f 2 | tr -d " " | _head_n 1)
  39     _debug _resource_id "$_resource_id"
  40
  41     if [ -z "$_resource_id" ]; then
  42       _err "Error adding the domain resource."
  43       return 1
  44     fi
  45
  46     _info "Domain resource successfully added."
  47     return 0
  48   fi
  49
  50   return 1
  51 }
  52
  53 #Usage: dns_linode_rm   _acme-challenge.www.domain.com
  54 dns_linode_v4_rm() {
  55   fulldomain="${1}"
  56
  57   if ! _Linode_API; then
  58     return 1
  59   fi
  60
  61   _info "Using Linode"
  62   _debug "Calling: dns_linode_rm() '${fulldomain}'"
  63
  64   _debug "First detect the root zone"
  65   if ! _get_root "$fulldomain"; then
  66     _err "Domain does not exist."
  67     return 1
  68   fi
  69   _debug _domain_id "$_domain_id"
  70   _debug _sub_domain "$_sub_domain"
  71   _debug _domain "$_domain"
  72
  73   if _rest GET "/$_domain_id/records" && [ -n "$response" ]; then
  74     response="$(echo "$response" | tr -d "\n" | tr '{' "|" | sed 's/|/&{/g' | tr "|" "\n")"
  75
  76     resource="$(echo "$response" | _egrep_o "{.*\"name\":\s*\"$_sub_domain\".*}")"
  77     if [ "$resource" ]; then
  78       _resource_id=$(printf "%s\n" "$resource" | _egrep_o "\"id\":\s*[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ )
  79       if [ "$_resource_id" ]; then
  80         _debug _resource_id "$_resource_id"
  81
  82         if _rest DELETE "/$_domain_id/records/$_resource_id" && [ -n "$response" ]; then
  83           # On 200/OK, empty set is returned. Check for error, if any.
  84           _error_response=$(printf "%s\n" "$response" | _egrep_o "\"errors\"" | cut -d : -f 2 | tr -d " " | _head_n 1)
  85
  86           if [ -n "$_error_response" ]; then
  87             _err "Error deleting the domain resource: $_error_response"
  88             return 1
  89           fi
  90
  91           _info "Domain resource successfully deleted."
  92           return 0
  93         fi
  94       fi
  95
  96       return 1
  97     fi
  98
  99     return 0
 100   fi
 101
 102   return 1
 103 }
 104
 105 ####################  Private functions below ##################################
 106
 107 _Linode_API() {
 108   if [ -z "$LINODE_V4_API_KEY" ]; then
 109     LINODE_V4_API_KEY=""
 110
 111     _err "You didn't specify the Linode v4 API key yet."
 112     _err "Please create your key and try again."
 113
 114     return 1
 115   fi
 116
 117   _saveaccountconf LINODE_V4_API_KEY "$LINODE_V4_API_KEY"
 118 }
 119
 120 ####################  Private functions below ##################################
 121 #_acme-challenge.www.domain.com
 122 #returns
 123 # _sub_domain=_acme-challenge.www
 124 # _domain=domain.com
 125 # _domain_id=12345
 126 _get_root() {
 127   domain=$1
 128   i=2
 129   p=1
 130
 131   if _rest GET; then
 132     response="$(echo "$response" | tr -d "\n" | tr '{' "|" | sed 's/|/&{/g' | tr "|" "\n")"
 133     while true; do
 134       h=$(printf "%s" "$domain" | cut -d . -f $i-100)
 135       _debug h "$h"
 136       if [ -z "$h" ]; then
 137         #not valid
 138         return 1
 139       fi
 140
 141       hostedzone="$(echo "$response" | _egrep_o "{.*\"domain\":\s*\"$h\".*}")"
 142       if [ "$hostedzone" ]; then
 143         _domain_id=$(printf "%s\n" "$hostedzone" | _egrep_o "\"id\":\s*[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ )
 144         if [ "$_domain_id" ]; then
 145           _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
 146           _domain=$h
 147           return 0
 148         fi
 149         return 1
 150       fi
 151       p=$i
 152       i=$(_math "$i" + 1)
 153     done
 154   fi
 155   return 1
 156 }
 157
 158 #method method action data
 159 _rest() {
 160   mtd="$1"
 161   ep="$2"
 162   data="$3"
 163
 164   _debug mtd "$mtd"
 165   _debug ep "$ep"
 166
 167   export _H1="Accept: application/json"
 168   export _H2="Content-Type: application/json"
 169   export _H3="Authorization: Bearer $LINODE_V4_API_KEY"
 170
 171   if [ "$mtd" != "GET" ]; then
 172     # both POST and DELETE.
 173     _debug data "$data"
 174     response="$(_post "$data" "$LINODE_V4_API_URL$ep" "" "$mtd")"
 175   else
 176     response="$(_get "$LINODE_V4_API_URL$ep$data")"
 177   fi
 178
 179   if [ "$?" != "0" ]; then
 180     _err "error $ep"
 181     return 1
 182   fi
 183   _debug2 response "$response"
 184   return 0
 185 }