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 # First we need name.com credentials.
  12 if [ -z "$Namecom_Username" ]; then
  13   Namecom_Username=""
  14   _err "Username for name.com is missing."
  15   _err "Please specify that in your environment variable."
  16   return 1
  17 fi
  18
  19 if [ -z "$Namecom_Token" ]; then
  20   Namecom_Token=""
  21   _err "API token for name.com is missing."
  22   _err "Please specify that in your environment variable."
  23   return 1
  24 fi
  25
  26 # Save them in configuration.
  27 _saveaccountconf Namecom_Username "$Namecom_Username"
  28 _saveaccountconf Namecom_Token "$Namecom_Token"
  29
  30 # Auth string
  31 # Name.com API v4 uses http basic auth to authenticate
  32 # need to convert the token for http auth
  33 _namecom_auth=$(printf "%s:%s" "$Namecom_Username" "$Namecom_Token" | base64)
  34
  35 #Usage: dns_namecom_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
  36 dns_namecom_add() {
  37   fulldomain=$1
  38   txtvalue=$2
  39
  40   # Login in using API
  41   if ! _namecom_login; then
  42     return 1
  43   fi
  44
  45   # Find domain in domain list.
  46   if ! _namecom_get_root "$fulldomain"; then
  47     _err "Unable to find domain specified."
  48     return 1
  49   fi
  50
  51   # Add TXT record.
  52   _namecom_addtxt_json="{\"host\":\"$_sub_domain\",\"type\":\"TXT\",\"answer\":\"$txtvalue\",\"ttl\":\"300\"}"
  53   if _namecom_rest POST "domains/$_domain/records" "$_namecom_addtxt_json"; then
  54     _retvalue=$(printf "%s\n" "$response" | _egrep_o "\"$_sub_domain\"")
  55     if [ "$_retvalue" ]; then
  56       _info "Successfully added TXT record, ready for validation."
  57       return 0
  58     else
  59       _err "Unable to add the DNS record."
  60       return 1
  61     fi
  62   fi
  63 }
  64
  65 #Usage: fulldomain txtvalue
  66 #Remove the txt record after validation.
  67 dns_namecom_rm() {
  68   fulldomain=$1
  69   txtvalue=$2
  70
  71   if ! _namecom_login; then
  72     return 1
  73   fi
  74
  75   # Find domain in domain list.
  76   if ! _namecom_get_root "$fulldomain"; then
  77     _err "Unable to find domain specified."
  78     return 1
  79   fi
  80
  81   # Get the record id.
  82   if _namecom_rest GET "domains/$_domain/records"; then
  83     _record_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":[0-9]+,\"domainName\":\"$_domain\",\"host\":\"$_sub_domain\"" | cut -d \" -f 3 | _egrep_o [0-9]+)
  84     _debug record_id "$_record_id"
  85     if [ "$_record_id" ]; then
  86       _info "Successfully retrieved the record id for ACME challenge."
  87     else
  88       _err "Unable to retrieve the record id."
  89       return 1
  90     fi
  91   fi
  92
  93   # Remove the DNS record using record id.
  94   if _namecom_rest DELETE "domains/$_domain/records/$_record_id"; then
  95     _info "Successfully removed the TXT record."
  96     return 0
  97   else
  98     _err "Unable to delete record id."
  99     return 1
 100   fi
 101 }
 102
 103 ####################  Private functions below ##################################
 104 _namecom_rest() {
 105   method=$1
 106   param=$2
 107   data=$3
 108
 109   export _H1="Authorization: Basic $_namecom_auth"
 110   export _H2="Content-Type: application/json"
 111
 112   if [ "$method" != "GET" ]; then
 113     response="$(_post "$data" "$Namecom_API/$param" "" "$method")"
 114   else
 115     response="$(_get "$Namecom_API/$param")"
 116   fi
 117
 118   if [ "$?" != "0" ]; then
 119     _err "error $param"
 120     return 1
 121   fi
 122
 123   _debug response "$response"
 124   return 0
 125 }
 126
 127 _namecom_login() {
 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 }
 167