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#!/usr/bin/env sh
# bug reports to dev@1e.ca
#
#LUA_Key="sdfsdfsdfljlbjkljlkjsdfoiwje"
#
#LUA_Email="user@luadns.net"
LUA_Api="https://api.luadns.com/v1"
LUA_auth=$(printf "%s" "$LUA_Email:$LUA_Key" | _base64)
######## Public functions #####################
#Usage: add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
dns_lua_add() {
fulldomain=$1
txtvalue=$2
if [ -z "$LUA_Key" ] || [ -z "$LUA_Email" ]; then
LUA_Key=""
LUA_Email=""
_err "You don't specify luadns api key and email yet."
_err "Please create you key and try again."
return 1
fi
#save the api key and email to the account conf file.
_saveaccountconf LUA_Key "$LUA_Key"
_saveaccountconf LUA_Email "$LUA_Email"
_debug "First detect the root zone"
if ! _get_root "$fulldomain"; then
_err "invalid domain"
return 1
fi
_debug _domain_id "$_domain_id"
_debug _sub_domain "$_sub_domain"
_debug _domain "$_domain"
_debug "Getting txt records"
_LUA_rest GET "zones/${_domain_id}/records"
if ! _contains "$response" "\"id\":"; then
_err "Error"
return 1
fi
count=$(printf "%s\n" "$response" | _egrep_o "\"name\":\"$fulldomain.\",\"type\":\"TXT\"" | wc -l | tr -d " ")
_debug count "$count"
if [ "$count" = "0" ]; then
_info "Adding record"
if _LUA_rest POST "zones/$_domain_id/records" "{\"type\":\"TXT\",\"name\":\"$fulldomain.\",\"content\":\"$txtvalue\",\"ttl\":120}"; then
if _contains "$response" "$fulldomain"; then
_info "Added"
#todo: check if the record takes effect
return 0
else
_err "Add txt record error."
return 1
fi
fi
_err "Add txt record error."
else
_info "Updating record"
record_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":[^,]*,\"name\":\"$fulldomain.\",\"type\":\"TXT\"" | _head_n 1 | cut -d: -f2 | cut -d, -f1)
_debug "record_id" "$record_id"
_LUA_rest PUT "zones/$_domain_id/records/$record_id" "{\"id\":$record_id,\"type\":\"TXT\",\"name\":\"$fulldomain.\",\"content\":\"$txtvalue\",\"zone_id\":$_domain_id,\"ttl\":120}"
if [ "$?" = "0" ] && _contains "$response" "updated_at"; then
_info "Updated!"
#todo: check if the record takes effect
return 0
fi
_err "Update error"
return 1
fi
}
#fulldomain
dns_lua_rm() {
fulldomain=$1
txtvalue=$2
_debug "First detect the root zone"
if ! _get_root "$fulldomain"; then
_err "invalid domain"
return 1
fi
_debug _domain_id "$_domain_id"
_debug _sub_domain "$_sub_domain"
_debug _domain "$_domain"
_debug "Getting txt records"
_LUA_rest GET "zones/${_domain_id}/records"
count=$(printf "%s\n" "$response" | _egrep_o "\"name\":\"$fulldomain.\",\"type\":\"TXT\"" | wc -l | tr -d " ")
_debug count "$count"
if [ "$count" = "0" ]; then
_info "Don't need to remove."
else
record_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":[^,]*,\"name\":\"$fulldomain.\",\"type\":\"TXT\"" | _head_n 1 | cut -d: -f2 | cut -d, -f1)
_debug "record_id" "$record_id"
if [ -z "$record_id" ]; then
_err "Can not get record id to remove."
return 1
fi
if ! _LUA_rest DELETE "/zones/$_domain_id/records/$record_id"; then
_err "Delete record error."
return 1
fi
_contains "$response" "$record_id"
fi
}
#################### Private functions below ##################################
#_acme-challenge.www.domain.com
#returns
# _sub_domain=_acme-challenge.www
# _domain=domain.com
# _domain_id=sdjkglgdfewsdfg
_get_root() {
domain=$1
i=2
p=1
if ! _LUA_rest GET "zones"; then
return 1
fi
while true; do
h=$(printf "%s" "$domain" | cut -d . -f $i-100)
_debug h "$h"
if [ -z "$h" ]; then
#not valid
return 1
fi
if _contains "$response" "\"name\":\"$h\""; then
_domain_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":[^,]*,\"name\":\"$h\"" | cut -d : -f 2 | cut -d , -f 1)
_debug _domain_id "$_domain_id"
if [ "$_domain_id" ]; then
_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
_domain="$h"
return 0
fi
return 1
fi
p=$i
i=$(_math "$i" + 1)
done
return 1
}
_LUA_rest() {
m=$1
ep="$2"
data="$3"
_debug "$ep"
export _H1="Accept: application/json"
export _H2="Authorization: Basic $LUA_auth"
if [ "$m" != "GET" ]; then
_debug data "$data"
response="$(_post "$data" "$LUA_Api/$ep" "" "$m")"
else
response="$(_get "$LUA_Api/$ep")"
fi
if [ "$?" != "0" ]; then
_err "error $ep"
return 1
fi
_debug2 response "$response"
return 0
}