dnsapi/dns_namesilo.sh

   1 #!/usr/bin/env sh
   2
   3 #Author: meowthink
   4 #Created 01/14/2017
   5 #Utilize namesilo.com API to finish dns-01 verifications.
   6
   7 Namesilo_API="https://www.namesilo.com/api"
   8
   9 ########  Public functions #####################
  10
  11 #Usage: dns_myapi_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
  12 dns_namesilo_add() {
  13   fulldomain=$1
  14   txtvalue=$2
  15
  16   if [ -z "$Namesilo_Key" ]; then
  17     Namesilo_Key=""
  18     _err "API token for namesilo.com is missing."
  19     _err "Please specify that in your environment variable."
  20     return 1
  21   fi
  22
  23   #save the api key and email to the account conf file.
  24   _saveaccountconf Namesilo_Key "$Namesilo_Key"
  25
  26   if ! _get_root "$fulldomain"; then
  27     _err "Unable to find domain specified."
  28     return 1
  29   fi
  30
  31   _debug _sub_domain "$_sub_domain"
  32   _debug _domain "$_domain"
  33
  34   _debug txtvalue "$txtvalue"
  35   if _namesilo_rest GET "dnsAddRecord?version=1&type=xml&key=$Namesilo_Key&domain=$_domain&rrtype=TXT&rrhost=$_sub_domain&rrvalue=$txtvalue"; then
  36     retcode=$(printf "%s\n" "$response" | _egrep_o "<code>300")
  37     if [ "$retcode" ]; then
  38       _info "Successfully added TXT record, ready for validation."
  39       return 0
  40     else
  41       _err "Unable to add the DNS record."
  42       return 1
  43     fi
  44   fi
  45 }
  46
  47 #Usage: fulldomain txtvalue
  48 #Remove the txt record after validation.
  49 dns_namesilo_rm() {
  50   fulldomain=$1
  51   txtvalue=$2
  52
  53   if ! _get_root "$fulldomain"; then
  54     _err "Unable to find domain specified."
  55     return 1
  56   fi
  57
  58   # Get the record id.
  59   if _namesilo_rest GET "dnsListRecords?version=1&type=xml&key=$Namesilo_Key&domain=$_domain"; then
  60     retcode=$(printf "%s\n" "$response" | _egrep_o "<code>300")
  61     if [ "$retcode" ]; then
  62       _record_id=$(printf "%s\n" "$response" | _egrep_o "<record_id>([^<]*)</record_id><type>TXT</type><host>$fulldomain</host>" | _egrep_o "<record_id>([^<]*)</record_id>" | sed -r "s/<record_id>([^<]*)<\/record_id>/\1/" | tail -n 1)
  63       _debug record_id "$_record_id"
  64       _info "Successfully retrieved the record id for ACME challenge."
  65     else
  66       _err "Unable to retrieve the record id."
  67       return 1
  68     fi
  69   fi
  70
  71   # Remove the DNS record using record id.
  72   if _namesilo_rest GET "dnsDeleteRecord?version=1&type=xml&key=$Namesilo_Key&domain=$_domain&rrid=$_record_id"; then
  73     retcode=$(printf "%s\n" "$response" | _egrep_o "<code>300")
  74     if [ "$retcode" ]; then
  75       _info "Successfully removed the TXT record."
  76       return 0
  77     else
  78       _err "Unable to remove the DNS record."
  79       return 1
  80     fi
  81   fi
  82 }
  83
  84 ####################  Private functions below ##################################
  85
  86 # _acme-challenge.www.domain.com
  87 # returns
  88 #  _sub_domain=_acme-challenge.www
  89 #  _domain=domain.com
  90 _get_root() {
  91   domain=$1
  92   i=2
  93   p=1
  94
  95   if ! _namesilo_rest GET "listDomains?version=1&type=xml&key=$Namesilo_Key"; then
  96     return 1
  97   fi
  98
  99   # Need to exclude the last field (tld)
 100   numfields=$(echo "$domain" | _egrep_o "\." | wc -l)
 101   while [ $i -le "$numfields" ]; do
 102     host=$(printf "%s" "$domain" | cut -d . -f $i-100)
 103     _debug host "$host"
 104     if [ -z "$host" ]; then
 105       return 1
 106     fi
 107
 108     if _contains "$response" "$host"; then
 109       _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
 110       _domain="$host"
 111       return 0
 112     fi
 113     p=$i
 114     i=$(_math "$i" + 1)
 115   done
 116   return 1
 117 }
 118
 119 _namesilo_rest() {
 120   method=$1
 121   param=$2
 122   data=$3
 123
 124   if [ "$method" != "GET" ]; then
 125     response="$(_post "$data" "$Namesilo_API/$param" "" "$method")"
 126   else
 127     response="$(_get "$Namesilo_API/$param")"
 128   fi
 129
 130   if [ "$?" != "0" ]; then
 131     _err "error $param"
 132     return 1
 133   fi
 134
 135   _debug2 response "$response"
 136   return 0
 137 }