From 2210fde9246696e471518acdbb08c6b19782f9fd Mon Sep 17 00:00:00 2001
From: Duane Griffin <duaneg@dghda.com>
Date: Sun, 8 Apr 2018 20:46:11 +1200
Subject: [PATCH] Add support for Metaname DNS API

---
 README.md              |   1 +
 dnsapi/README.md       |  14 +++
 dnsapi/dns_metaname.sh | 199 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 214 insertions(+)
 create mode 100755 dnsapi/dns_metaname.sh

diff --git a/README.md b/README.md
index f395e49a..d25ab51d 100644
--- a/README.md
+++ b/README.md
@@ -320,6 +320,7 @@ You don't have to do anything manually!
 1. Loopia.se API
 1. acme-dns (https://github.com/joohoi/acme-dns)
 1. TELE3 (https://www.tele3.cz)
+1. Metaname API (https://metaname.net/)
 
 And: 
 
diff --git a/dnsapi/README.md b/dnsapi/README.md
index ef6c9d09..d3f1988b 100644
--- a/dnsapi/README.md
+++ b/dnsapi/README.md
@@ -876,6 +876,20 @@ acme.sh --issue --dns dns_tele3 -d example.com -d *.example.com
 ```
 
 The TELE3_Key and TELE3_Secret will be saved in ~/.acme.sh/account.conf and will be reused when needed.
+## 47. Use metaname dns api
+
+Create an API key from the "my account" -> "settings" page.
+
+```
+export METANAME_ACCOUNT="abc1"
+export METANAME_KEY="xyz"
+
+acme.sh --issue --dns dns_metaname -d example.com -d www.example.com
+```
+
+The account and key 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_metaname.sh b/dnsapi/dns_metaname.sh
new file mode 100755
index 00000000..5f6d68c7
--- /dev/null
+++ b/dnsapi/dns_metaname.sh
@@ -0,0 +1,199 @@
+#!/usr/bin/env sh
+
+METANAME_ENDPOINT="https://metaname.net/api/1.1"
+
+########  Public functions #####################
+
+# Usage: add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+# Used to add txt record
+#
+# Ref: https://metaname.net/api/1.1/doc
+#
+dns_metaname_add() {
+  fulldomain=$1
+  txtvalue=$2
+
+  METANAME_ACCOUNT="${METANAME_ACCOUNT:-$(_readaccountconf_mutable METANAME_ACCOUNT)}"
+  METANAME_KEY="${METANAME_KEY:-$(_readaccountconf_mutable METANAME_KEY)}"
+
+  if [ -z "$METANAME_ACCOUNT" ]; then
+    METANAME_KEY=""
+    _err "You didn't specify the Metaname account "
+    return 1
+  fi
+
+  if [ -z "$METANAME_KEY" ]; then
+    METANAME_ACCOUNT=""
+    _err "You didn't specify the Metaname API key "
+    return 1
+  fi
+
+  # Save account details to account conf file.
+  _saveaccountconf_mutable METANAME_ACCOUNT "$METANAME_ACCOUNT"
+  _saveaccountconf_mutable METANAME_KEY "$METANAME_KEY"
+
+  if ! _get_root "$fulldomain" "$METANAME_ACCOUNT" "$METANAME_KEY"; then
+    _err "invalid domain"
+    return 1
+  fi
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
+
+  data="{\"name\":\"$_sub_domain\",\"type\":\"TXT\",\"data\":\"$txtvalue\"}"
+
+  # Add the txtvalue TXT Record
+  # https://metaname.net/api/1.1/doc#create_dns_record
+  if _metaname_rpc "create_dns_record" "$account" "$key" "$_domain" "$data"; then
+    _info "validation value added"
+    return 0
+  else
+    return 1
+  fi
+}
+
+# Usage: fulldomain txtvalue
+# Used to remove the txt record after validation
+dns_metaname_rm() {
+  fulldomain=$1
+  txtvalue=$2
+
+  METANAME_ACCOUNT="${METANAME_ACCOUNT:-$(_readaccountconf_mutable METANAME_ACCOUNT)}"
+  METANAME_KEY="${METANAME_KEY:-$(_readaccountconf_mutable METANAME_KEY)}"
+
+  if [ -z "$METANAME_ACCOUNT" ]; then
+    METANAME_KEY=""
+    _err "You didn't specify the Metaname account "
+    return 1
+  fi
+
+  if [ -z "$METANAME_KEY" ]; then
+    METANAME_ACCOUNT=""
+    _err "You didn't specify the Metaname API key "
+    return 1
+  fi
+
+  # Save account details to account conf file.
+  _saveaccountconf_mutable METANAME_ACCOUNT "$METANAME_ACCOUNT"
+  _saveaccountconf_mutable METANAME_KEY "$METANAME_KEY"
+
+  if ! _get_root "$fulldomain" "$METANAME_ACCOUNT" "$METANAME_KEY"; then
+    _err "invalid domain"
+    return 1
+  fi
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
+
+  # Get existing records
+  # https://metaname.net/api/1.1/doc#dns_zone
+  _metaname_rpc "dns_zone" "$account" "$key" "$_domain" || return 1
+
+  # Find reference for matching record(s) to delete
+  expected_name=$(printf '\{[^{]*?"name":"%s",.*?}' "$_sub_domain")
+  expected_data=$(printf '\{[^{]*?"data":"%s",.*?}' "$txtvalue")
+  found=
+  for record in $(echo "$response" | _egrep_o "$expected_name"); do
+
+    # Check the text value matches
+    echo "$record" | grep -qE "$expected_data" 2>/dev/null || continue
+
+    # This gets us the quoted reference number: need to strip the quotes
+    ref=$(_getfield "$(echo "$record" | _egrep_o "\"reference\":\"[^\"]*\"")" 2 :)
+    ref="${ref%\"}"
+    ref="${ref#\"}"
+
+    # Delete matching record
+    # https://metaname.net/api/1.1/doc#delete_dns_record
+    _debug "deleting matching record with reference: $ref"
+    if _metaname_rpc "delete_dns_record" "$account" "$key" "$_domain" "$ref"; then
+      _info "validation record removed"
+      found=1
+    else
+      _err "error removing validation record, aborting"
+      return 1
+    fi
+  done
+
+  if [ -z $found ]; then
+    _err "no validation record found, aborting"
+    return 1
+  fi
+
+  return 0
+}
+
+###################  Private functions below ##################################
+
+_metaname_rpc() {
+  cmd=$1
+  shift
+
+  # Assume parameters starting with a "{" are dictionaries; quote all others
+  comma=
+  params=
+  for param in "$@"; do
+    if _startswith "$param" "{"; then
+      params="$params$comma$param"
+    else
+      params="$params$comma$(printf "\"%s\"" "$param")"
+    fi
+    comma=,
+  done
+
+  # TODO: Get random ID? Can't use $RANDOM as that is not POSIX...
+  id=0
+  data="{\"jsonrpc\":\"2.0\", \"id\": \"$id\", \"method\": \"$cmd\", \"params\":[$params]}"
+  export _H1="accept: application/json"
+  export _H2="Content-Type: application/json"
+
+  # clear headers from previous request to avoid getting wrong http code on timeouts
+  :>"$HTTP_HEADER"
+  _secure_debug2 "data $data"
+  response="$(_post "$data" "$METANAME_ENDPOINT" "" "POST")"
+
+  _ret="$?"
+  _secure_debug2 "response $response"
+  _code="$(grep "^HTTP" "$HTTP_HEADER" | _tail_n 1 | cut -d " " -f 2 | tr -d "\\r\\n")"
+  _debug "http response code $_code"
+  if [ "$_ret" != "0" ] || [ -z "$_code" ] || [ "$_code" != "200" ]; then
+    _err "calling $METANAME_ENDPOINT failed"
+    return 1
+  fi
+
+  response="$(echo "$response" | _normalizeJson)"
+  msg=$(_getfield "$(echo "$response" | _egrep_o "\"message\":\"[^\"]*\"")" 2 :)
+  if [ -n "$msg" ]; then
+    _err "server returned error on call to $cmd: $msg"
+    return 1
+  fi
+
+  response=$(echo "$response" | sed 's/.*"result"\:\[/\[/' | head -c -2)
+  return 0
+}
+
+_get_root() {
+  domain=$1
+  account=$2
+  key=$3
+  i=2
+  p=1
+
+  # https://metaname.net/api/1.1/doc#domain_names
+  _metaname_rpc "domain_names" "$account" "$key" || return 1
+
+  # Find matching domain name in JSON response
+  while true; do
+    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    if [ -z "$h" ]; then
+      return 1
+    fi
+
+    if _contains "$response" "\"name\":\"$h\"" >/dev/null; then
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _domain=$h
+      return 0
+    fi
+    p=$i
+    i=$(_math "$i" + 1)
+  done
+  return 1
+}