dnsapi/dns_namecom.sh

   1 #!/usr/bin/env sh
   2
   3 #Author: RaidenII
   4 #Created 06/28/2017
   5 #Updated 03/01/2018, rewrote to support name.com API v4
   6 #Utilize name.com API to finish dns-01 verifications.
   7 ########  Public functions #####################
   8
   9 Namecom_API="https://api.name.com/v4"
  10
  11 #Usage: dns_namecom_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
  12 dns_namecom_add() {
  13   fulldomain=$1
  14   txtvalue=$2
  15
  16   # First we need name.com credentials.
  17   if [ -z "$Namecom_Username" ]; then
  18     Namecom_Username=""
  19     _err "Username for name.com is missing."
  20     _err "Please specify that in your environment variable."
  21     return 1
  22   fi
  23
  24   if [ -z "$Namecom_Token" ]; then
  25     Namecom_Token=""
  26     _err "API token for name.com is missing."
  27     _err "Please specify that in your environment variable."
  28     return 1
  29   fi
  30
  31   # Save them in configuration.
  32   _saveaccountconf Namecom_Username "$Namecom_Username"
  33   _saveaccountconf Namecom_Token "$Namecom_Token"
  34
  35   # Login in using API
  36   if ! _namecom_login; then
  37     return 1
  38   fi
  39
  40   # Find domain in domain list.
  41   if ! _namecom_get_root "$fulldomain"; then
  42     _err "Unable to find domain specified."
  43     return 1
  44   fi
  45
  46   # Add TXT record.
  47   _namecom_addtxt_json="{\"host\":\"$_sub_domain\",\"type\":\"TXT\",\"answer\":\"$txtvalue\",\"ttl\":\"300\"}"
  48   if _namecom_rest POST "domains/$_domain/records" "$_namecom_addtxt_json"; then
  49     _retvalue=$(printf "%s\n" "$response" | _egrep_o "\"$_sub_domain\"")
  50     if [ "$_retvalue" ]; then
  51       _info "Successfully added TXT record, ready for validation."
  52       return 0
  53     else
  54       _err "Unable to add the DNS record."
  55       return 1
  56     fi
  57   fi
  58 }
  59
  60 #Usage: fulldomain txtvalue
  61 #Remove the txt record after validation.
  62 dns_namecom_rm() {
  63   fulldomain=$1
  64   txtvalue=$2
  65
  66   if ! _namecom_login; then
  67     return 1
  68   fi
  69
  70   # Find domain in domain list.
  71   if ! _namecom_get_root "$fulldomain"; then
  72     _err "Unable to find domain specified."
  73     return 1
  74   fi
  75
  76   # Get the record id.
  77   if _namecom_rest GET "domains/$_domain/records"; then
  78     _record_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":[0-9]+,\"domainName\":\"$_domain\",\"host\":\"$_sub_domain\"" | cut -d \" -f 3 | _egrep_o [0-9]+)
  79     _debug record_id "$_record_id"
  80     if [ "$_record_id" ]; then
  81       _info "Successfully retrieved the record id for ACME challenge."
  82     else
  83       _err "Unable to retrieve the record id."
  84       return 1
  85     fi
  86   fi
  87
  88   # Remove the DNS record using record id.
  89   if _namecom_rest DELETE "domains/$_domain/records/$_record_id"; then
  90     _info "Successfully removed the TXT record."
  91     return 0
  92   else
  93     _err "Unable to delete record id."
  94     return 1
  95   fi
  96 }
  97
  98 ####################  Private functions below ##################################
  99 _namecom_rest() {
 100   method=$1
 101   param=$2
 102   data=$3
 103
 104   export _H1="Authorization: Basic $_namecom_auth"
 105   export _H2="Content-Type: application/json"
 106
 107   if [ "$method" != "GET" ]; then
 108     response="$(_post "$data" "$Namecom_API/$param" "" "$method")"
 109   else
 110     response="$(_get "$Namecom_API/$param")"
 111   fi
 112
 113   if [ "$?" != "0" ]; then
 114     _err "error $param"
 115     return 1
 116   fi
 117
 118   _debug response "$response"
 119   return 0
 120 }
 121
 122 _namecom_login() {
 123   # Auth string
 124   # Name.com API v4 uses http basic auth to authenticate
 125   # need to convert the token for http auth
 126   _namecom_auth=$(printf "%s:%s" "$Namecom_Username" "$Namecom_Token" | base64)
 127
 128   if _namecom_rest GET "hello"; then
 129     retcode=$(printf "%s\n" "$response" | _egrep_o "\"username\"\:\"$Namecom_Username\"")
 130     if [ "$retcode" ]; then
 131       _info "Successfully logged in."
 132     else
 133       _err "Logging in failed."
 134       return 1
 135     fi
 136   fi
 137 }
 138
 139 _namecom_get_root() {
 140   domain=$1
 141   i=2
 142   p=1
 143
 144   if ! _namecom_rest GET "domains"; then
 145     return 1
 146   fi
 147
 148   # Need to exclude the last field (tld)
 149   numfields=$(echo "$domain" | _egrep_o "\." | wc -l)
 150   while [ $i -le "$numfields" ]; do
 151     host=$(printf "%s" "$domain" | cut -d . -f $i-100)
 152     _debug host "$host"
 153     if [ -z "$host" ]; then
 154       return 1
 155     fi
 156
 157     if _contains "$response" "$host"; then
 158       _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
 159       _domain="$host"
 160       return 0
 161     fi
 162     p=$i
 163     i=$(_math "$i" + 1)
 164   done
 165   return 1
 166 }