dnsapi/dns_linode.sh

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