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dns_dynu.sh
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dns_dynu.sh
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#!/usr/bin/env sh
#Client ID
#Dynu_ClientId="0b71cae7-a099-4f6b-8ddf-94571cdb760d"
#
#Secret
#Dynu_Secret="aCUEY4BDCV45KI8CSIC3sp2LKQ9"
#
#Token
Dynu_Token=""
#
#Endpoint
Dynu_EndPoint="https://api.dynu.com/v1"
#
#Author: Dynu Systems, Inc.
#Report Bugs here: https://github.com/shar0119/acme.sh
#
######## Public functions #####################
#Usage: add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
dns_dynu_add() {
fulldomain=$1
txtvalue=$2
if [ -z "$Dynu_ClientId" ] || [ -z "$Dynu_Secret" ]; then
Dynu_ClientId=""
Dynu_Secret=""
_err "Dynu client id and secret is not specified."
_err "Please create you API client id and secret and try again."
return 1
fi
#save the client id and secret to the account conf file.
_saveaccountconf Dynu_ClientId "$Dynu_ClientId"
_saveaccountconf Dynu_Secret "$Dynu_Secret"
if [ -z "$Dynu_Token" ]; then
_info "Getting Dynu token."
if ! _dynu_authentication; then
_err "Can not get token."
fi
fi
_debug "Detect root zone"
if ! _get_root "$fulldomain"; then
_err "Invalid domain."
return 1
fi
_debug _node "$_node"
_debug _domain_name "$_domain_name"
_info "Creating TXT record."
if ! _dynu_rest POST "dns/record/add" "{\"domain_name\":\"$_domain_name\",\"node_name\":\"$_node\",\"record_type\":\"TXT\",\"text_data\":\"$txtvalue\",\"state\":true,\"ttl\":90}"; then
return 1
fi
if ! _contains "$response" "text_data"; then
_err "Could not add TXT record."
return 1
fi
return 0
}
#Usage: rm _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
dns_dynu_rm() {
fulldomain=$1
txtvalue=$2
if [ -z "$Dynu_ClientId" ] || [ -z "$Dynu_Secret" ]; then
Dynu_ClientId=""
Dynu_Secret=""
_err "Dynu client id and secret is not specified."
_err "Please create you API client id and secret and try again."
return 1
fi
#save the client id and secret to the account conf file.
_saveaccountconf Dynu_ClientId "$Dynu_ClientId"
_saveaccountconf Dynu_Secret "$Dynu_Secret"
if [ -z "$Dynu_Token" ]; then
_info "Getting Dynu token."
if ! _dynu_authentication; then
_err "Can not get token."
fi
fi
_debug "Detect root zone."
if ! _get_root "$fulldomain"; then
_err "Invalid domain."
return 1
fi
_debug _node "$_node"
_debug _domain_name "$_domain_name"
_info "Checking for TXT record."
if ! _get_recordid "$fulldomain" "$txtvalue"; then
_err "Could not get TXT record id."
return 1
fi
if [ "$_dns_record_id" = "" ]; then
_err "TXT record not found."
return 1
fi
_info "Removing TXT record."
if ! _delete_txt_record "$_dns_record_id"; then
_err "Could not remove TXT record $_dns_record_id."
fi
return 0
}
######## Private functions below ##################################
#_acme-challenge.www.domain.com
#returns
# _node=_acme-challenge.www
# _domain_name=domain.com
_get_root() {
domain=$1
i=2
p=1
while true; do
h=$(printf "%s" "$domain" | cut -d . -f $i-100)
_debug h "$h"
if [ -z "$h" ]; then
#not valid
return 1
fi
if ! _dynu_rest GET "dns/get/$h"; then
return 1
fi
if _contains "$response" "\"name\":\"$h\"" >/dev/null; then
_domain_name=$h
_node=$(printf "%s" "$domain" | cut -d . -f 1-$p)
return 0
fi
p=$i
i=$(_math "$i" + 1)
done
return 1
}
_get_recordid() {
fulldomain=$1
txtvalue=$2
if ! _dynu_rest GET "dns/record/get?hostname=$fulldomain&rrtype=TXT"; then
return 1
fi
if ! _contains "$response" "$txtvalue"; then
_dns_record_id=0
return 0
fi
_dns_record_id=$(printf "%s" "$response" | _egrep_o "{[^}]*}" | grep "\"text_data\":\"$txtvalue\"" | _egrep_o ",[^,]*," | grep ',"id":' | tr -d ",," | cut -d : -f 2)
return 0
}
_delete_txt_record() {
_dns_record_id=$1
if ! _dynu_rest GET "dns/record/delete/$_dns_record_id"; then
return 1
fi
if ! _contains "$response" "true"; then
return 1
fi
return 0
}
_dynu_rest() {
m=$1
ep="$2"
data="$3"
_debug "$ep"
export _H1="Authorization: Bearer $Dynu_Token"
export _H2="Content-Type: application/json"
if [ "$data" ]; then
_debug data "$data"
response="$(_post "$data" "$Dynu_EndPoint/$ep" "" "$m")"
else
_info "Getting $Dynu_EndPoint/$ep"
response="$(_get "$Dynu_EndPoint/$ep")"
fi
if [ "$?" != "0" ]; then
_err "error $ep"
return 1
fi
_debug2 response "$response"
return 0
}
_dynu_authentication() {
realm="$(printf "%s" "$Dynu_ClientId:$Dynu_Secret" | _base64)"
export _H1="Authorization: Basic $realm"
export _H2="Content-Type: application/json"
response="$(_get "$Dynu_EndPoint/oauth2/token")"
if [ "$?" != "0" ]; then
_err "Authentication failed."
return 1
fi
if _contains "$response" "accessToken"; then
Dynu_Token=$(printf "%s" "$response" | tr -d "[]" | cut -d , -f 2 | cut -d : -f 2 | cut -d '"' -f 2)
fi
if _contains "$Dynu_Token" "null"; then
Dynu_Token=""
fi
_debug2 response "$response"
return 0
}