dnsapi/dns_cx.sh

   1 #!/usr/bin/env sh
   2
   3 # Cloudxns.com Domain api
   4 #
   5 #CX_Key="1234"
   6 #
   7 #CX_Secret="sADDsdasdgdsf"
   8
   9 CX_Api="https://www.cloudxns.net/api2"
  10
  11 #REST_API
  12 ########  Public functions #####################
  13
  14 #Usage: add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
  15 dns_cx_add() {
  16   fulldomain=$1
  17   txtvalue=$2
  18
  19   if [ -z "$CX_Key" ] || [ -z "$CX_Secret" ]; then
  20     CX_Key=""
  21     CX_Secret=""
  22     _err "You don't specify cloudxns.com  api key or secret yet."
  23     _err "Please create you key and try again."
  24     return 1
  25   fi
  26
  27   REST_API="$CX_Api"
  28
  29   #save the api key and email to the account conf file.
  30   _saveaccountconf CX_Key "$CX_Key"
  31   _saveaccountconf CX_Secret "$CX_Secret"
  32
  33   _debug "First detect the root zone"
  34   if ! _get_root "$fulldomain"; then
  35     _err "invalid domain"
  36     return 1
  37   fi
  38
  39   add_record "$_domain" "$_sub_domain" "$txtvalue"
  40 }
  41
  42 #fulldomain txtvalue
  43 dns_cx_rm() {
  44   fulldomain=$1
  45   txtvalue=$2
  46   REST_API="$CX_Api"
  47   if _get_root "$fulldomain"; then
  48     record_id=""
  49     existing_records "$_domain" "$_sub_domain" "$txtvalue"
  50     if [ "$record_id" ]; then
  51       _rest DELETE "record/$record_id/$_domain_id" "{}"
  52       _info "Deleted record ${fulldomain}"
  53     fi
  54   fi
  55 }
  56
  57 #usage:  root  sub
  58 #return if the sub record already exists.
  59 #echos the existing records count.
  60 # '0' means doesn't exist
  61 existing_records() {
  62   _debug "Getting txt records"
  63   root=$1
  64   sub=$2
  65   if ! _rest GET "record/$_domain_id?:domain_id?host_id=0&offset=0&row_num=100"; then
  66     return 1
  67   fi
  68
  69   seg=$(printf "%s\n" "$response" | _egrep_o '"record_id":[^{]*host":"'"$_sub_domain"'"[^}]*\}')
  70   _debug seg "$seg"
  71   if [ -z "$seg" ]; then
  72     return 0
  73   fi
  74
  75   if printf "%s" "$response" | grep '"type":"TXT"' >/dev/null; then
  76     record_id=$(printf "%s\n" "$seg" | _egrep_o '"record_id":"[^"]*"' | cut -d : -f 2 | tr -d \" | _head_n 1)
  77     _debug record_id "$record_id"
  78     return 0
  79   fi
  80
  81 }
  82
  83 #add the txt record.
  84 #usage: root  sub  txtvalue
  85 add_record() {
  86   root=$1
  87   sub=$2
  88   txtvalue=$3
  89   fulldomain="$sub.$root"
  90
  91   _info "Adding record"
  92
  93   if ! _rest POST "record" "{\"domain_id\": $_domain_id, \"host\":\"$_sub_domain\", \"value\":\"$txtvalue\", \"type\":\"TXT\",\"ttl\":600, \"line_id\":1}"; then
  94     return 1
  95   fi
  96
  97   return 0
  98 }
  99
 100 ####################  Private functions below ##################################
 101 #_acme-challenge.www.domain.com
 102 #returns
 103 # _sub_domain=_acme-challenge.www
 104 # _domain=domain.com
 105 # _domain_id=sdjkglgdfewsdfg
 106 _get_root() {
 107   domain=$1
 108   i=2
 109   p=1
 110
 111   if ! _rest GET "domain"; then
 112     return 1
 113   fi
 114
 115   while true; do
 116     h=$(printf "%s" "$domain" | cut -d . -f $i-100)
 117     _debug h "$h"
 118     if [ -z "$h" ]; then
 119       #not valid
 120       return 1
 121     fi
 122
 123     if _contains "$response" "$h."; then
 124       seg=$(printf "%s\n" "$response" | _egrep_o '"id":[^{]*"'"$h"'."[^}]*}')
 125       _debug seg "$seg"
 126       _domain_id=$(printf "%s\n" "$seg" | _egrep_o "\"id\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \")
 127       _debug _domain_id "$_domain_id"
 128       if [ "$_domain_id" ]; then
 129         _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
 130         _debug _sub_domain "$_sub_domain"
 131         _domain="$h"
 132         _debug _domain "$_domain"
 133         return 0
 134       fi
 135       return 1
 136     fi
 137     p="$i"
 138     i=$(_math "$i" + 1)
 139   done
 140   return 1
 141 }
 142
 143 #Usage: method  URI  data
 144 _rest() {
 145   m=$1
 146   ep="$2"
 147   _debug ep "$ep"
 148   url="$REST_API/$ep"
 149   _debug url "$url"
 150
 151   cdate=$(date -u "+%Y-%m-%d %H:%M:%S UTC")
 152   _debug cdate "$cdate"
 153
 154   data="$3"
 155   _debug data "$data"
 156
 157   sec="$CX_Key$url$data$cdate$CX_Secret"
 158   _debug sec "$sec"
 159   hmac=$(printf "%s" "$sec" | _digest md5 hex)
 160   _debug hmac "$hmac"
 161
 162   export _H1="API-KEY: $CX_Key"
 163   export _H2="API-REQUEST-DATE: $cdate"
 164   export _H3="API-HMAC: $hmac"
 165   export _H4="Content-Type: application/json"
 166
 167   if [ "$data" ]; then
 168     response="$(_post "$data" "$url" "" "$m")"
 169   else
 170     response="$(_get "$url")"
 171   fi
 172
 173   if [ "$?" != "0" ]; then
 174     _err "error $ep"
 175     return 1
 176   fi
 177   _debug2 response "$response"
 178
 179   _contains "$response" '"code":1'
 180
 181 }