From 2d365efe564362b1d29964a4acb0a7a89e846e27 Mon Sep 17 00:00:00 2001
From: rka <konstantinruchyov@gmail.com>
Date: Fri, 18 Apr 2025 02:48:48 +0300
Subject: [PATCH] Add Edgecenter DNS API

---
 dnsapi/dns_edgecenter.sh | 163 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 163 insertions(+)
 create mode 100644 dnsapi/dns_edgecenter.sh

diff --git a/dnsapi/dns_edgecenter.sh b/dnsapi/dns_edgecenter.sh
new file mode 100644
index 00000000..cdd150df
--- /dev/null
+++ b/dnsapi/dns_edgecenter.sh
@@ -0,0 +1,163 @@
+#!/usr/bin/env sh
+# shellcheck disable=SC2034
+
+# EdgeCenter DNS API integration for acme.sh
+# Author: Konstantin Ruchev <konstantin.ruchev@edgecenter.ru>
+dns_edgecenter_info='edgecenter DNS API
+Site: https://edgecenter.ru
+Docs: github.com/acmesh-official/acme.sh/wiki/dnsapi#dns_edgecenter
+Options:
+ EDGECENTER_API_KEY auth APIKey'
+
+EDGECENTER_API="https://api.edgecenter.ru"
+DOMAIN_TYPE=
+DOMAIN_MASTER=
+
+########  Public functions #####################
+
+#Usage: dns_edgecenter_add   _acme-challenge.www.domain.com   "TXT_RECORD_VALUE"
+dns_edgecenter_add() {
+  fulldomain="$1"
+  txtvalue="$2"
+
+  _info "Using EdgeCenter DNS API"
+
+  if ! _dns_edgecenter_init_check; then
+    return 1
+  fi
+
+  _debug "Detecting root zone for $fulldomain"
+  if ! _get_root "$fulldomain"; then
+    return 1
+  fi
+
+  subdomain="${fulldomain%."$_zone"}"
+  subdomain=${subdomain%.}
+
+  _debug "Zone: $_zone"
+  _debug "Subdomain: $subdomain"
+  _debug "TXT value: $txtvalue"
+
+  payload='{"resource_records": [ { "content": ["'"$txtvalue"'"] } ], "ttl": 60 }'
+  _dns_edgecenter_http_api_call "post" "dns/v2/zones/$_zone/$subdomain.$_zone/txt" "$payload"
+
+  if _contains "$response" '"error":"rrset is already exists"'; then
+    _debug "RRSet exists, merging values"
+    _dns_edgecenter_http_api_call "get" "dns/v2/zones/$_zone/$subdomain.$_zone/txt"
+    current="$response"
+    newlist=""
+    for v in $(echo "$current" | sed -n 's/.*"content":\["\([^"]*\)"\].*/\1/p'); do
+      newlist="$newlist {\"content\":[\"$v\"]},"
+    done
+    newlist="$newlist{\"content\":[\"$txtvalue\"]}"
+    putdata="{\"resource_records\":[${newlist}]}
+"
+    _dns_edgecenter_http_api_call "put" "dns/v2/zones/$_zone/$subdomain.$_zone/txt" "$putdata"
+    _info "Updated existing RRSet with new TXT value."
+    return 0
+  fi
+
+  if _contains "$response" '"exception":'; then
+    _err "Record cannot be added."
+    return 1
+  fi
+
+  _info "TXT record added successfully."
+  return 0
+}
+
+#Usage: dns_edgecenter_rm   _acme-challenge.www.domain.com   "TXT_RECORD_VALUE"
+dns_edgecenter_rm() {
+  fulldomain="$1"
+  txtvalue="$2"
+
+  _info "Removing TXT record for $fulldomain"
+
+  if ! _dns_edgecenter_init_check; then
+    return 1
+  fi
+
+  if ! _get_root "$fulldomain"; then
+    return 1
+  fi
+
+  subdomain="${fulldomain%."$_zone"}"
+  subdomain=${subdomain%.}
+
+  _dns_edgecenter_http_api_call "delete" "dns/v2/zones/$_zone/$subdomain.$_zone/txt"
+
+  if [ -z "$response" ]; then
+    _info "TXT record deleted successfully."
+  else
+    _info "TXT record may not have been deleted: $response"
+  fi
+  return 0
+}
+
+####################  Private functions below ##################################
+
+_dns_edgecenter_init_check() {
+  EDGECENTER_API_KEY="${EDGECENTER_API_KEY:-$(_readaccountconf_mutable EDGECENTER_API_KEY)}"
+  if [ -z "$EDGECENTER_API_KEY" ]; then
+    _err "EDGECENTER_API_KEY was not exported."
+    return 1
+  fi
+
+  _saveaccountconf_mutable EDGECENTER_API_KEY "$EDGECENTER_API_KEY"
+  export _H1="Authorization: APIKey $EDGECENTER_API_KEY"
+
+  _dns_edgecenter_http_api_call "get" "dns/v2/clients/me/features"
+  if ! _contains "$response" '"id":'; then
+    _err "Invalid API key."
+    return 1
+  fi
+  return 0
+}
+
+_get_root() {
+  domain="$1"
+  i=1
+  while true; do
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-)
+    if [ -z "$h" ]; then
+      return 1
+    fi
+    _dns_edgecenter_http_api_call "get" "dns/v2/zones/$h"
+    if ! _contains "$response" 'zone is not found'; then
+      _zone="$h"
+      return 0
+    fi
+    i=$((i + 1))
+  done
+  return 1
+}
+
+_dns_edgecenter_http_api_call() {
+  mtd="$1"
+  endpoint="$2"
+  data="$3"
+
+  export _H1="Authorization: APIKey $EDGECENTER_API_KEY"
+
+  case "$mtd" in
+  get)
+    response="$(_get "$EDGECENTER_API/$endpoint")"
+    ;;
+  post)
+    response="$(_post "$data" "$EDGECENTER_API/$endpoint")"
+    ;;
+  delete)
+    response="$(_post "" "$EDGECENTER_API/$endpoint" "" "DELETE")"
+    ;;
+  put)
+    response="$(_post "$data" "$EDGECENTER_API/$endpoint" "" "PUT")"
+    ;;
+  *)
+    _err "Unknown HTTP method $mtd"
+    return 1
+    ;;
+  esac
+
+  _debug "HTTP $mtd response: $response"
+  return 0
+}