From 72fcf5ab85779aca28db1f4057e63d4e9ea850d4 Mon Sep 17 00:00:00 2001 From: Lonnie Abelbeck Date: Fri, 7 Jul 2017 09:51:43 -0500 Subject: [PATCH] Add 'dns_dyn' DNS challenge validation script for Dyn Managed DNS API --- dnsapi/README.md | 33 +++++ dnsapi/dns_dyn.sh | 340 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 373 insertions(+) create mode 100644 dnsapi/dns_dyn.sh diff --git a/dnsapi/README.md b/dnsapi/README.md index 57c360b7..41f89a88 100644 --- a/dnsapi/README.md +++ b/dnsapi/README.md @@ -540,6 +540,39 @@ acme.sh --issue --dns dns_namecom -d example.com -d www.example.com For issues, please report to https://github.com/raidenii/acme.sh/issues. +## 29. Use Dyn Managed DNS API to automatically issue cert + +First, login to your Dyn Managed DNS account: https://portal.dynect.net/login/ + +It is recommended to add a new user specific for API access. + +The minimum "Zones & Records Permissions" required are: +``` +RecordAdd +RecordUpdate +RecordDelete +RecordGet +ZoneGet +ZoneAddNode +ZoneRemoveNode +ZonePublish +``` + +Pass the API user credentials to the environment: +``` +export DYN_Customer="customer" +export DYN_Username="apiuser" +export DYN_Password="secret" +``` + +Ok, let's issue a cert now: +``` +acme.sh --issue --dns dns_dyn -d example.com -d www.example.com +``` + +The `DYN_Customer`, `DYN_Username` and `DYN_Password` will be saved in `~/.acme.sh/account.conf` and will be reused when needed. + + # Use custom API If your API is not supported yet, you can write your own DNS API. diff --git a/dnsapi/dns_dyn.sh b/dnsapi/dns_dyn.sh new file mode 100644 index 00000000..d3998809 --- /dev/null +++ b/dnsapi/dns_dyn.sh @@ -0,0 +1,340 @@ +#!/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 +} +