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#!/usr/bin/env sh
# Cloudxns.com Domain api
#
#CX_Key="1234"
#
#CX_Secret="sADDsdasdgdsf"
CX_Api="https://www.cloudxns.net/api2"
#REST_API
######## Public functions #####################
#Usage: add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
dns_cx_add() {
fulldomain=$1
txtvalue=$2
if [ -z "$CX_Key" ] || [ -z "$CX_Secret" ]; then
CX_Key=""
CX_Secret=""
_err "You don't specify cloudxns.com api key or secret yet."
_err "Please create you key and try again."
return 1
fi
REST_API="$CX_Api"
#save the api key and email to the account conf file.
_saveaccountconf CX_Key "$CX_Key"
_saveaccountconf CX_Secret "$CX_Secret"
_debug "First detect the root zone"
if ! _get_root "$fulldomain"; then
_err "invalid domain"
return 1
fi
existing_records "$_domain" "$_sub_domain"
_debug count "$count"
if [ "$?" != "0" ]; then
_err "Error get existing records."
return 1
fi
if [ "$count" = "0" ]; then
add_record "$_domain" "$_sub_domain" "$txtvalue"
else
update_record "$_domain" "$_sub_domain" "$txtvalue"
fi
if [ "$?" = "0" ]; then
return 0
fi
return 1
}
#fulldomain
dns_cx_rm() {
fulldomain=$1
REST_API="$CX_Api"
if _get_root "$fulldomain"; then
record_id=""
existing_records "$_domain" "$_sub_domain"
if ! [ "$record_id" = "" ]; then
_rest DELETE "record/$record_id/$_domain_id" "{}"
_info "Deleted record ${fulldomain}"
fi
fi
}
#usage: root sub
#return if the sub record already exists.
#echos the existing records count.
# '0' means doesn't exist
existing_records() {
_debug "Getting txt records"
root=$1
sub=$2
count=0
if ! _rest GET "record/$_domain_id?:domain_id?host_id=0&offset=0&row_num=100"; then
return 1
fi
seg=$(printf "%s\n" "$response" | _egrep_o '{[^{]*host":"'"$_sub_domain"'"[^}]*\}')
_debug seg "$seg"
if [ -z "$seg" ]; then
return 0
fi
if printf "%s" "$response" | grep '"type":"TXT"' >/dev/null; then
count=1
record_id=$(printf "%s\n" "$seg" | _egrep_o '"record_id":"[^"]*"' | cut -d : -f 2 | tr -d \" | _head_n 1)
_debug record_id "$record_id"
return 0
fi
}
#add the txt record.
#usage: root sub txtvalue
add_record() {
root=$1
sub=$2
txtvalue=$3
fulldomain="$sub.$root"
_info "Adding record"
if ! _rest POST "record" "{\"domain_id\": $_domain_id, \"host\":\"$_sub_domain\", \"value\":\"$txtvalue\", \"type\":\"TXT\",\"ttl\":600, \"line_id\":1}"; then
return 1
fi
return 0
}
#update the txt record
#Usage: root sub txtvalue
update_record() {
root=$1
sub=$2
txtvalue=$3
fulldomain="$sub.$root"
_info "Updating record"
if _rest PUT "record/$record_id" "{\"domain_id\": $_domain_id, \"host\":\"$_sub_domain\", \"value\":\"$txtvalue\", \"type\":\"TXT\",\"ttl\":600, \"line_id\":1}"; then
return 0
fi
return 1
}
#################### Private functions below ##################################
#_acme-challenge.www.domain.com
#returns
# _sub_domain=_acme-challenge.www
# _domain=domain.com
# _domain_id=sdjkglgdfewsdfg
_get_root() {
domain=$1
i=2
p=1
if ! _rest GET "domain"; then
return 1
fi
while true; do
h=$(printf "%s" "$domain" | cut -d . -f $i-100)
_debug h "$h"
if [ -z "$h" ]; then
#not valid
return 1
fi
if _contains "$response" "$h."; then
seg=$(printf "%s\n" "$response" | _egrep_o '{[^{]*"'"$h"'."[^}]*}')
_debug seg "$seg"
_domain_id=$(printf "%s\n" "$seg" | _egrep_o "\"id\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \")
_debug _domain_id "$_domain_id"
if [ "$_domain_id" ]; then
_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
_debug _sub_domain "$_sub_domain"
_domain="$h"
_debug _domain "$_domain"
return 0
fi
return 1
fi
p="$i"
i=$(_math "$i" + 1)
done
return 1
}
#Usage: method URI data
_rest() {
m=$1
ep="$2"
_debug ep "$ep"
url="$REST_API/$ep"
_debug url "$url"
cdate=$(date -u "+%Y-%m-%d %H:%M:%S UTC")
_debug cdate "$cdate"
data="$3"
_debug data "$data"
sec="$CX_Key$url$data$cdate$CX_Secret"
_debug sec "$sec"
hmac=$(printf "%s" "$sec" | _digest md5 hex)
_debug hmac "$hmac"
_H1="API-KEY: $CX_Key"
_H2="API-REQUEST-DATE: $cdate"
_H3="API-HMAC: $hmac"
_H4="Content-Type: application/json"
if [ "$data" ]; then
response="$(_post "$data" "$url" "" "$m")"
else
response="$(_get "$url")"
fi
if [ "$?" != "0" ]; then
_err "error $ep"
return 1
fi
_debug2 response "$response"
if ! _contains "$response" '"message":"success"'; then
return 1
fi
return 0
}