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#!/usr/bin/env sh
#Author: RaidneII
#Created 06/28/2017
#Utilize name.com API to finish dns-01 verifications.
######## Public functions #####################
Namecom_API="https://api.name.com/api"
#Usage: dns_namecom_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
dns_namecom_add() {
fulldomain=$1
txtvalue=$2
# First we need name.com credentials.
if [ -z "$Namecom_Username" ]; then
Namecom_Username=""
_err "Username for name.com is missing."
_err "Please specify that in your environment variable."
return 1
fi
if [ -z "$Namecom_Token" ]; then
Namecom_Token=""
_err "API token for name.com is missing."
_err "Please specify that in your environment variable."
return 1
fi
# Save them in configuration.
_saveaccountconf Namecom_Username "$Namecom_Username"
_saveaccountconf Namecom_Token "$Namecom_Token"
# Login in using API
if ! _namecom_login; then
return 1
fi
# Find domain in domain list.
if ! _namecom_get_root "$fulldomain"; then
_err "Unable to find domain specified."
_namecom_logout
return 1
fi
# Add TXT record.
_namecom_addtxt_json="{\"hostname\":\"$_sub_domain\",\"type\":\"TXT\",\"content\":\"$txtvalue\",\"ttl\":\"300\",\"priority\":\"10\"}"
if _namecom_rest POST "dns/create/$_domain" "$_namecom_addtxt_json"; then
retcode=$(printf "%s\n" "$response" | _egrep_o "\"code\":100")
if [ "$retcode" ]; then
_info "Successfully added TXT record, ready for validation."
_namecom_logout
return 0
else
_err "Unable to add the DNS record."
_namecom_logout
return 1
fi
fi
}
#Usage: fulldomain txtvalue
#Remove the txt record after validation.
dns_namecom_rm() {
fulldomain=$1
txtvalue=$2
if ! _namecom_login; then
return 1
fi
# Find domain in domain list.
if ! _namecom_get_root "$fulldomain"; then
_err "Unable to find domain specified."
_namecom_logout
return 1
fi
# Get the record id.
if _namecom_rest GET "dns/list/$_domain"; then
retcode=$(printf "%s\n" "$response" | _egrep_o "\"code\":100")
if [ "$retcode" ]; then
_record_id=$(printf "%s\n" "$response" | _egrep_o "\"record_id\":\"[0-9]+\",\"name\":\"$fulldomain\",\"type\":\"TXT\"" | cut -d \" -f 4)
_debug record_id "$_record_id"
_info "Successfully retrieved the record id for ACME challenge."
else
_err "Unable to retrieve the record id."
_namecom_logout
return 1
fi
fi
# Remove the DNS record using record id.
_namecom_rmtxt_json="{\"record_id\":\"$_record_id\"}"
if _namecom_rest POST "dns/delete/$_domain" "$_namecom_rmtxt_json"; then
retcode=$(printf "%s\n" "$response" | _egrep_o "\"code\":100")
if [ "$retcode" ]; then
_info "Successfully removed the TXT record."
_namecom_logout
return 0
else
_err "Unable to remove the DNS record."
_namecom_logout
return 1
fi
fi
}
#################### Private functions below ##################################
_namecom_rest() {
method=$1
param=$2
data=$3
export _H1="Content-Type: application/json"
export _H2="Api-Session-Token: $sessionkey"
if [ "$method" != "GET" ]; then
response="$(_post "$data" "$Namecom_API/$param" "" "$method")"
else
response="$(_get "$Namecom_API/$param")"
fi
if [ "$?" != "0" ]; then
_err "error $param"
return 1
fi
_debug2 response "$response"
return 0
}
_namecom_login() {
namecom_login_json="{\"username\":\"$Namecom_Username\",\"api_token\":\"$Namecom_Token\"}"
if _namecom_rest POST "login" "$namecom_login_json"; then
retcode=$(printf "%s\n" "$response" | _egrep_o "\"code\":100")
if [ "$retcode" ]; then
_info "Successfully logged in. Fetching session token..."
sessionkey=$(printf "%s\n" "$response" | _egrep_o "\"session_token\":\".+" | cut -d \" -f 4)
if [ ! -z "$sessionkey" ]; then
_debug sessionkey "$sessionkey"
_info "Session key obtained."
else
_err "Unable to get session key."
return 1
fi
else
_err "Logging in failed."
return 1
fi
fi
}
_namecom_logout() {
if _namecom_rest GET "logout"; then
retcode=$(printf "%s\n" "$response" | _egrep_o "\"code\":100")
if [ "$retcode" ]; then
_info "Successfully logged out."
else
_err "Error logging out."
return 1
fi
fi
}
_namecom_get_root() {
domain=$1
i=2
p=1
if ! _namecom_rest GET "domain/list"; then
return 1
fi
# Need to exclude the last field (tld)
numfields=$(echo "$domain" | _egrep_o "\." | wc -l)
while [ $i -le "$numfields" ]; do
host=$(printf "%s" "$domain" | cut -d . -f $i-100)
_debug host "$host"
if [ -z "$host" ]; then
return 1
fi
if _contains "$response" "$host"; then
_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
_domain="$host"
return 0
fi
p=$i
i=$(_math "$i" + 1)
done
return 1
}