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Add 'dns_dyn' DNS challenge validation script for Dyn Managed DNS API
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Lonnie Abelbeck
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@ -540,6 +540,39 @@ acme.sh --issue --dns dns_namecom -d example.com -d www.example.com
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For issues, please report to https://github.com/raidenii/acme.sh/issues.
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## 29. Use Dyn Managed DNS API to automatically issue cert
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First, login to your Dyn Managed DNS account: https://portal.dynect.net/login/
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It is recommended to add a new user specific for API access.
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The minimum "Zones & Records Permissions" required are:
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```
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RecordAdd
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RecordUpdate
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RecordDelete
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RecordGet
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ZoneGet
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ZoneAddNode
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ZoneRemoveNode
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ZonePublish
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```
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Pass the API user credentials to the environment:
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```
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export DYN_Customer="customer"
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export DYN_Username="apiuser"
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export DYN_Password="secret"
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```
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Ok, let's issue a cert now:
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```
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acme.sh --issue --dns dns_dyn -d example.com -d www.example.com
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```
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The `DYN_Customer`, `DYN_Username` and `DYN_Password` will be saved in `~/.acme.sh/account.conf` and will be reused when needed.
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# Use custom API
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If your API is not supported yet, you can write your own DNS API.
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340
dnsapi/dns_dyn.sh
Normal file
340
dnsapi/dns_dyn.sh
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@ -0,0 +1,340 @@
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#!/usr/bin/env sh
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#
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# Dyn.com Domain API
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#
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# Author: Gerd Naschenweng
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# https://github.com/magicdude4eva
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#
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# Dyn Managed DNS API
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# https://help.dyn.com/dns-api-knowledge-base/
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#
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# It is recommended to add a "Dyn Managed DNS" user specific for API access.
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# The "Zones & Records Permissions" required by this script are:
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# --
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# RecordAdd
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# RecordUpdate
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# RecordDelete
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# RecordGet
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# ZoneGet
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# ZoneAddNode
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# ZoneRemoveNode
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# ZonePublish
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# --
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#
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# Pass credentials before "acme.sh --issue --dns dns_dyn ..."
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# --
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# export DYN_Customer="customer"
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# export DYN_Username="apiuser"
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# export DYN_Password="secret"
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# --
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DYN_API="https://api.dynect.net/REST"
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#REST_API
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######## Public functions #####################
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#Usage: add _acme-challenge.www.domain.com "Challenge-code"
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dns_dyn_add() {
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fulldomain="$1"
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txtvalue="$2"
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DYN_Customer="${DYN_Customer:-$(_readaccountconf_mutable DYN_Customer)}"
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DYN_Username="${DYN_Username:-$(_readaccountconf_mutable DYN_Username)}"
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DYN_Password="${DYN_Password:-$(_readaccountconf_mutable DYN_Password)}"
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if [ -z "$DYN_Customer" ] || [ -z "$DYN_Username" ] || [ -z "$DYN_Password" ]; then
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DYN_Customer=""
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DYN_Username=""
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DYN_Password=""
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_err "You must export variables: DYN_Customer, DYN_Username and DYN_Password"
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return 1
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fi
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#save the config variables to the account conf file.
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_saveaccountconf_mutable DYN_Customer "$DYN_Customer"
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_saveaccountconf_mutable DYN_Username "$DYN_Username"
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_saveaccountconf_mutable DYN_Password "$DYN_Password"
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if ! _dyn_get_authtoken; then
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return 1
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fi
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if [ -z "$_dyn_authtoken" ]; then
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_dyn_end_session
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return 1
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fi
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if ! _dyn_get_zone; then
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_dyn_end_session
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return 1
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fi
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if ! _dyn_add_record; then
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_dyn_end_session
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return 1
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fi
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if ! _dyn_publish_zone; then
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_dyn_end_session
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return 1
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fi
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_dyn_end_session
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return 0
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}
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#Usage: fulldomain txtvalue
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#Remove the txt record after validation.
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dns_dyn_rm() {
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fulldomain="$1"
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txtvalue="$2"
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DYN_Customer="${DYN_Customer:-$(_readaccountconf_mutable DYN_Customer)}"
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DYN_Username="${DYN_Username:-$(_readaccountconf_mutable DYN_Username)}"
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DYN_Password="${DYN_Password:-$(_readaccountconf_mutable DYN_Password)}"
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if [ -z "$DYN_Customer" ] || [ -z "$DYN_Username" ] || [ -z "$DYN_Password" ]; then
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DYN_Customer=""
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DYN_Username=""
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DYN_Password=""
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_err "You must export variables: DYN_Customer, DYN_Username and DYN_Password"
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return 1
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fi
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if ! _dyn_get_authtoken; then
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return 1
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fi
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if [ -z "$_dyn_authtoken" ]; then
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_dyn_end_session
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return 1
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fi
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if ! _dyn_get_zone; then
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_dyn_end_session
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return 1
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fi
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if ! _dyn_get_record_id; then
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_dyn_end_session
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return 1
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fi
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if [ -z "$_dyn_record_id" ]; then
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_dyn_end_session
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return 1
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fi
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if ! _dyn_rm_record; then
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_dyn_end_session
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return 1
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fi
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if ! _dyn_publish_zone; then
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_dyn_end_session
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return 1
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fi
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_dyn_end_session
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return 0
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}
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#################### Private functions below ##################################
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#get Auth-Token
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_dyn_get_authtoken() {
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_info "Start Dyn API Session"
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data="{\"customer_name\":\"$DYN_Customer\", \"user_name\":\"$DYN_Username\", \"password\":\"$DYN_Password\"}"
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dyn_url="$DYN_API/Session/"
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method="POST"
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_debug data "$data"
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_debug dyn_url "$dyn_url"
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export _H1="Content-Type: application/json"
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response="$(_post "$data" "$dyn_url" "" "$method")"
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sessionstatus="$(printf "%s\n" "$response" | _egrep_o '"status" *: *"[^"]*' | head -n 1 | sed 's#^"status" *: *"##')"
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_debug response "$response"
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_debug sessionstatus "$sessionstatus"
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if [ "$sessionstatus" = "success" ]; then
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_dyn_authtoken="$(printf "%s\n" "$response" | _egrep_o '"token" *: *"[^"]*' | head -n 1 | sed 's#^"token" *: *"##')"
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_info "Token received"
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_debug _dyn_authtoken "$_dyn_authtoken"
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return 0
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fi
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_dyn_authtoken=""
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_err "get token failed"
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return 1
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}
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#fulldomain=_acme-challenge.www.domain.com
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#returns
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# _dyn_zone=domain.com
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_dyn_get_zone() {
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i=2
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while true; do
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domain="$(printf "%s" "$fulldomain" | cut -d . -f "$i-100")"
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if [ -z "$domain" ]; then
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break
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fi
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dyn_url="$DYN_API/Zone/$domain/"
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export _H1="Auth-Token: $_dyn_authtoken"
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export _H2="Content-Type: application/json"
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response="$(_get "$dyn_url" "" "")"
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sessionstatus="$(printf "%s\n" "$response" | _egrep_o '"status" *: *"[^"]*' | head -n 1 | sed 's#^"status" *: *"##')"
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_debug dyn_url "$dyn_url"
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_debug response "$response"
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_debug sessionstatus "$sessionstatus"
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if [ "$sessionstatus" = "success" ]; then
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_dyn_zone="$domain"
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return 0
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fi
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i=$(_math "$i" + 1)
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done
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_dyn_zone=""
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_err "get zone failed"
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return 1
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}
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#add TXT record
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_dyn_add_record() {
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_info "Adding TXT record"
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data="{\"rdata\":{\"txtdata\":\"$txtvalue\"},\"ttl\":\"300\"}"
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dyn_url="$DYN_API/TXTRecord/$_dyn_zone/$fulldomain/"
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method="POST"
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export _H1="Auth-Token: $_dyn_authtoken"
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export _H2="Content-Type: application/json"
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response="$(_post "$data" "$dyn_url" "" "$method")"
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sessionstatus="$(printf "%s\n" "$response" | _egrep_o '"status" *: *"[^"]*' | head -n 1 | sed 's#^"status" *: *"##')"
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_debug response "$response"
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_debug sessionstatus "$sessionstatus"
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if [ "$sessionstatus" = "success" ]; then
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_info "TXT Record successfully added"
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return 0
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fi
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_err "add TXT record failed"
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return 1
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}
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#publish the zone
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_dyn_publish_zone() {
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_info "Publishing zone"
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data="{\"publish\":\"true\"}"
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dyn_url="$DYN_API/Zone/$_dyn_zone/"
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method="PUT"
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export _H1="Auth-Token: $_dyn_authtoken"
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export _H2="Content-Type: application/json"
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response="$(_post "$data" "$dyn_url" "" "$method")"
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sessionstatus="$(printf "%s\n" "$response" | _egrep_o '"status" *: *"[^"]*' | head -n 1 | sed 's#^"status" *: *"##')"
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_debug response "$response"
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_debug sessionstatus "$sessionstatus"
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if [ "$sessionstatus" = "success" ]; then
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_info "Zone published"
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return 0
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fi
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_err "publish zone failed"
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return 1
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}
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#get record_id of TXT record so we can delete the record
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_dyn_get_record_id() {
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_info "Getting record_id of TXT record"
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dyn_url="$DYN_API/TXTRecord/$_dyn_zone/$fulldomain/"
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export _H1="Auth-Token: $_dyn_authtoken"
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export _H2="Content-Type: application/json"
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response="$(_get "$dyn_url" "" "")"
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sessionstatus="$(printf "%s\n" "$response" | _egrep_o '"status" *: *"[^"]*' | head -n 1 | sed 's#^"status" *: *"##')"
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_debug response "$response"
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_debug sessionstatus "$sessionstatus"
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if [ "$sessionstatus" = "success" ]; then
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_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/##")"
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_debug _dyn_record_id "$_dyn_record_id"
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return 0
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fi
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_dyn_record_id=""
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_err "getting record_id failed"
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return 1
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}
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#delete TXT record
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_dyn_rm_record() {
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_info "Deleting TXT record"
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dyn_url="$DYN_API/TXTRecord/$_dyn_zone/$fulldomain/$_dyn_record_id/"
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method="DELETE"
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_debug dyn_url "$dyn_url"
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export _H1="Auth-Token: $_dyn_authtoken"
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export _H2="Content-Type: application/json"
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response="$(_post "" "$dyn_url" "" "$method")"
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sessionstatus="$(printf "%s\n" "$response" | _egrep_o '"status" *: *"[^"]*' | head -n 1 | sed 's#^"status" *: *"##')"
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_debug response "$response"
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_debug sessionstatus "$sessionstatus"
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if [ "$sessionstatus" = "success" ]; then
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_info "TXT record successfully deleted"
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return 0
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fi
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_err "delete TXT record failed"
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return 1
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}
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#logout
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_dyn_end_session() {
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_info "End Dyn API Session"
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dyn_url="$DYN_API/Session/"
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method="DELETE"
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_debug dyn_url "$dyn_url"
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export _H1="Auth-Token: $_dyn_authtoken"
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export _H2="Content-Type: application/json"
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response="$(_post "" "$dyn_url" "" "$method")"
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_debug response "$response"
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_dyn_authtoken=""
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return 0
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}
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