acme.sh/dnsapi/dns_dyn.sh

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#!/usr/bin/env sh
#
# Dyn.com Domain API
#
# Author: Gerd Naschenweng
# https://github.com/magicdude4eva
#
# Dyn Managed DNS API
# https://help.dyn.com/dns-api-knowledge-base/
#
# It is recommended to add a "Dyn Managed DNS" user specific for API access.
# The "Zones & Records Permissions" required by this script are:
# --
# RecordAdd
# RecordUpdate
# RecordDelete
# RecordGet
# ZoneGet
# ZoneAddNode
# ZoneRemoveNode
# ZonePublish
# --
#
# Pass credentials before "acme.sh --issue --dns dns_dyn ..."
# --
# export DYN_Customer="customer"
# export DYN_Username="apiuser"
# export DYN_Password="secret"
# --
DYN_API="https://api.dynect.net/REST"
#REST_API
######## Public functions #####################
#Usage: add _acme-challenge.www.domain.com "Challenge-code"
dns_dyn_add() {
fulldomain="$1"
txtvalue="$2"
DYN_Customer="${DYN_Customer:-$(_readaccountconf_mutable DYN_Customer)}"
DYN_Username="${DYN_Username:-$(_readaccountconf_mutable DYN_Username)}"
DYN_Password="${DYN_Password:-$(_readaccountconf_mutable DYN_Password)}"
if [ -z "$DYN_Customer" ] || [ -z "$DYN_Username" ] || [ -z "$DYN_Password" ]; then
DYN_Customer=""
DYN_Username=""
DYN_Password=""
_err "You must export variables: DYN_Customer, DYN_Username and DYN_Password"
return 1
fi
#save the config variables to the account conf file.
_saveaccountconf_mutable DYN_Customer "$DYN_Customer"
_saveaccountconf_mutable DYN_Username "$DYN_Username"
_saveaccountconf_mutable DYN_Password "$DYN_Password"
if ! _dyn_get_authtoken; then
return 1
fi
if [ -z "$_dyn_authtoken" ]; then
_dyn_end_session
return 1
fi
if ! _dyn_get_zone; then
_dyn_end_session
return 1
fi
if ! _dyn_add_record; then
_dyn_end_session
return 1
fi
if ! _dyn_publish_zone; then
_dyn_end_session
return 1
fi
_dyn_end_session
return 0
}
#Usage: fulldomain txtvalue
#Remove the txt record after validation.
dns_dyn_rm() {
fulldomain="$1"
txtvalue="$2"
DYN_Customer="${DYN_Customer:-$(_readaccountconf_mutable DYN_Customer)}"
DYN_Username="${DYN_Username:-$(_readaccountconf_mutable DYN_Username)}"
DYN_Password="${DYN_Password:-$(_readaccountconf_mutable DYN_Password)}"
if [ -z "$DYN_Customer" ] || [ -z "$DYN_Username" ] || [ -z "$DYN_Password" ]; then
DYN_Customer=""
DYN_Username=""
DYN_Password=""
_err "You must export variables: DYN_Customer, DYN_Username and DYN_Password"
return 1
fi
if ! _dyn_get_authtoken; then
return 1
fi
if [ -z "$_dyn_authtoken" ]; then
_dyn_end_session
return 1
fi
if ! _dyn_get_zone; then
_dyn_end_session
return 1
fi
if ! _dyn_get_record_id; then
_dyn_end_session
return 1
fi
if [ -z "$_dyn_record_id" ]; then
_dyn_end_session
return 1
fi
if ! _dyn_rm_record; then
_dyn_end_session
return 1
fi
if ! _dyn_publish_zone; then
_dyn_end_session
return 1
fi
_dyn_end_session
return 0
}
#################### Private functions below ##################################
#get Auth-Token
_dyn_get_authtoken() {
_info "Start Dyn API Session"
data="{\"customer_name\":\"$DYN_Customer\", \"user_name\":\"$DYN_Username\", \"password\":\"$DYN_Password\"}"
dyn_url="$DYN_API/Session/"
method="POST"
_debug data "$data"
_debug dyn_url "$dyn_url"
export _H1="Content-Type: application/json"
response="$(_post "$data" "$dyn_url" "" "$method")"
sessionstatus="$(printf "%s\n" "$response" | _egrep_o '"status" *: *"[^"]*' | _head_n 1 | sed 's#^"status" *: *"##')"
_debug response "$response"
_debug sessionstatus "$sessionstatus"
if [ "$sessionstatus" = "success" ]; then
_dyn_authtoken="$(printf "%s\n" "$response" | _egrep_o '"token" *: *"[^"]*' | _head_n 1 | sed 's#^"token" *: *"##')"
_info "Token received"
_debug _dyn_authtoken "$_dyn_authtoken"
return 0
fi
_dyn_authtoken=""
_err "get token failed"
return 1
}
#fulldomain=_acme-challenge.www.domain.com
#returns
# _dyn_zone=domain.com
_dyn_get_zone() {
i=2
while true; do
domain="$(printf "%s" "$fulldomain" | cut -d . -f "$i-100")"
if [ -z "$domain" ]; then
break
fi
dyn_url="$DYN_API/Zone/$domain/"
export _H1="Auth-Token: $_dyn_authtoken"
export _H2="Content-Type: application/json"
response="$(_get "$dyn_url" "" "")"
sessionstatus="$(printf "%s\n" "$response" | _egrep_o '"status" *: *"[^"]*' | _head_n 1 | sed 's#^"status" *: *"##')"
_debug dyn_url "$dyn_url"
_debug response "$response"
_debug sessionstatus "$sessionstatus"
if [ "$sessionstatus" = "success" ]; then
_dyn_zone="$domain"
return 0
fi
i=$(_math "$i" + 1)
done
_dyn_zone=""
_err "get zone failed"
return 1
}
#add TXT record
_dyn_add_record() {
_info "Adding TXT record"
data="{\"rdata\":{\"txtdata\":\"$txtvalue\"},\"ttl\":\"300\"}"
dyn_url="$DYN_API/TXTRecord/$_dyn_zone/$fulldomain/"
method="POST"
export _H1="Auth-Token: $_dyn_authtoken"
export _H2="Content-Type: application/json"
response="$(_post "$data" "$dyn_url" "" "$method")"
sessionstatus="$(printf "%s\n" "$response" | _egrep_o '"status" *: *"[^"]*' | _head_n 1 | sed 's#^"status" *: *"##')"
_debug response "$response"
_debug sessionstatus "$sessionstatus"
if [ "$sessionstatus" = "success" ]; then
_info "TXT Record successfully added"
return 0
fi
_err "add TXT record failed"
return 1
}
#publish the zone
_dyn_publish_zone() {
_info "Publishing zone"
data="{\"publish\":\"true\"}"
dyn_url="$DYN_API/Zone/$_dyn_zone/"
method="PUT"
export _H1="Auth-Token: $_dyn_authtoken"
export _H2="Content-Type: application/json"
response="$(_post "$data" "$dyn_url" "" "$method")"
sessionstatus="$(printf "%s\n" "$response" | _egrep_o '"status" *: *"[^"]*' | _head_n 1 | sed 's#^"status" *: *"##')"
_debug response "$response"
_debug sessionstatus "$sessionstatus"
if [ "$sessionstatus" = "success" ]; then
_info "Zone published"
return 0
fi
_err "publish zone failed"
return 1
}
#get record_id of TXT record so we can delete the record
_dyn_get_record_id() {
_info "Getting record_id of TXT record"
dyn_url="$DYN_API/TXTRecord/$_dyn_zone/$fulldomain/"
export _H1="Auth-Token: $_dyn_authtoken"
export _H2="Content-Type: application/json"
response="$(_get "$dyn_url" "" "")"
sessionstatus="$(printf "%s\n" "$response" | _egrep_o '"status" *: *"[^"]*' | _head_n 1 | sed 's#^"status" *: *"##')"
_debug response "$response"
_debug sessionstatus "$sessionstatus"
if [ "$sessionstatus" = "success" ]; then
_dyn_record_id="$(printf "%s\n" "$response" | _egrep_o "\"data\" *: *\[\"/REST/TXTRecord/$_dyn_zone/$fulldomain/[^\"]*" | _head_n 1 | sed "s#^\"data\" *: *\[\"/REST/TXTRecord/$_dyn_zone/$fulldomain/##")"
_debug _dyn_record_id "$_dyn_record_id"
return 0
fi
_dyn_record_id=""
_err "getting record_id failed"
return 1
}
#delete TXT record
_dyn_rm_record() {
_info "Deleting TXT record"
dyn_url="$DYN_API/TXTRecord/$_dyn_zone/$fulldomain/$_dyn_record_id/"
method="DELETE"
_debug dyn_url "$dyn_url"
export _H1="Auth-Token: $_dyn_authtoken"
export _H2="Content-Type: application/json"
response="$(_post "" "$dyn_url" "" "$method")"
sessionstatus="$(printf "%s\n" "$response" | _egrep_o '"status" *: *"[^"]*' | _head_n 1 | sed 's#^"status" *: *"##')"
_debug response "$response"
_debug sessionstatus "$sessionstatus"
if [ "$sessionstatus" = "success" ]; then
_info "TXT record successfully deleted"
return 0
fi
_err "delete TXT record failed"
return 1
}
#logout
_dyn_end_session() {
_info "End Dyn API Session"
dyn_url="$DYN_API/Session/"
method="DELETE"
_debug dyn_url "$dyn_url"
export _H1="Auth-Token: $_dyn_authtoken"
export _H2="Content-Type: application/json"
response="$(_post "" "$dyn_url" "" "$method")"
_debug response "$response"
_dyn_authtoken=""
return 0
}