From f37546e173e41827a7aab169de32124d4fdfd5e9 Mon Sep 17 00:00:00 2001
From: Siyuan Miao <i@xswan.net>
Date: Fri, 13 Dec 2019 18:46:09 +0800
Subject: [PATCH] add acme.sh support for misaka.io dns service

---
 dnsapi/dns_misaka.sh | 160 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 160 insertions(+)
 create mode 100755 dnsapi/dns_misaka.sh

diff --git a/dnsapi/dns_misaka.sh b/dnsapi/dns_misaka.sh
new file mode 100755
index 00000000..7d83bf51
--- /dev/null
+++ b/dnsapi/dns_misaka.sh
@@ -0,0 +1,160 @@
+#!/usr/bin/env sh
+
+# bug reports to support+acmesh@misaka.io
+# based on dns_nsone.sh by dev@1e.ca
+
+#
+#Misaka_Key="sdfsdfsdfljlbjkljlkjsdfoiwje"
+#
+
+Misaka_Api="https://dnsapi.misaka.io/dns"
+
+########  Public functions #####################
+
+#Usage: add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_misaka_add() {
+  fulldomain=$1
+  txtvalue=$2
+
+  if [ -z "$Misaka_Key" ]; then
+    Misaka_Key=""
+    _err "You didn't specify misaka.io dns api key yet."
+    _err "Please create you key and try again."
+    return 1
+  fi
+
+  #save the api key and email to the account conf file.
+  _saveaccountconf Misaka_Key "$Misaka_Key"
+
+  _debug "checking root zone [$fulldomain]"
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain"
+    return 1
+  fi
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
+
+  _debug "Getting txt records"
+  _misaka_rest GET "zones/${_domain}/recordsets?search=${_sub_domain}"
+
+  if ! _contains "$response" "\"results\":"; then
+    _err "Error"
+    return 1
+  fi
+
+  count=$(printf "%s\n" "$response" | _egrep_o "\"name\":\"$_sub_domain\",[^{]*\"type\":\"TXT\"" | wc -l | tr -d " ")
+  _debug count "$count"
+  if [ "$count" = "0" ]; then
+    _info "Adding record"
+
+    if _misaka_rest PUT "zones/${_domain}/recordsets/${_sub_domain}/TXT" "{\"records\":[{\"value\":\"\\\"$txtvalue\\\"\"}],\"filters\":[],\"ttl\":1}"; then
+      _debug response "$response"
+      if _contains "$response" "$_sub_domain"; then
+        _info "Added"
+        return 0
+      else
+        _err "Add txt record error."
+        return 1
+      fi
+    fi
+    _err "Add txt record error."
+  else
+    _info "Updating record"
+
+    # todo: add existing challenges
+    _misaka_rest POST "zones/${_domain}/recordsets/${_sub_domain}/TXT" "{\"records\": [{\"value\": \"\\\"$txtvalue\\\"\"}],\"ttl\":1}"
+    if [ "$?" = "0" ] && _contains "$response" "$_sub_domain"; then
+      _info "Updated!"
+      #todo: check if the record takes effect
+      return 0
+    fi
+    _err "Update error"
+    return 1
+  fi
+
+}
+
+#fulldomain
+dns_misaka_rm() {
+  fulldomain=$1
+  txtvalue=$2
+  _debug "First detect the root zone"
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain"
+    return 1
+  fi
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
+
+  _debug "Getting txt records"
+  _misaka_rest GET "zones/${_domain}/recordsets?search=${_sub_domain}"
+
+  count=$(printf "%s\n" "$response" | _egrep_o "\"name\":\"$_sub_domain\",[^{]*\"type\":\"TXT\"" | wc -l | tr -d " ")
+  _debug count "$count"
+  if [ "$count" = "0" ]; then
+    _info "Don't need to remove."
+  else
+    if ! _misaka_rest DELETE "zones/${_domain}/recordsets/${_sub_domain}/TXT"; then
+      _err "Delete record error."
+      return 1
+    fi
+    _contains "$response" ""
+  fi
+}
+
+####################  Private functions below ##################################
+#_acme-challenge.www.domain.com
+#returns
+# _sub_domain=_acme-challenge.www
+# _domain=domain.com
+# _domain_id=sdjkglgdfewsdfg
+_get_root() {
+  domain=$1
+  i=2
+  p=1
+  if ! _misaka_rest GET "zones?limit=1000"; then
+    return 1
+  fi
+  while true; do
+    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    _debug h "$h"
+    if [ -z "$h" ]; then
+      #not valid
+      return 1
+    fi
+
+    if _contains "$response" "\"name\":\"$h\""; then
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _domain="$h"
+      return 0
+    fi
+    p=$i
+    i=$(_math "$i" + 1)
+  done
+  return 1
+}
+
+_misaka_rest() {
+  m=$1
+  ep="$2"
+  data="$3"
+  _debug "$ep"
+
+  export _H1="Content-Type: application/json"
+  export _H2="User-Agent: acme.sh/$VER misaka-dns-acmesh/20191213"
+  export _H3="Authorization: Token $Misaka_Key"
+
+  if [ "$m" != "GET" ]; then
+    _debug data "$data"
+    response="$(_post "$data" "$Misaka_Api/$ep" "" "$m")"
+  else
+    response="$(_get "$Misaka_Api/$ep")"
+  fi
+
+  if [ "$?" != "0" ]; then
+    _err "error $ep"
+    return 1
+  fi
+  _debug2 response "$response"
+  return 0
+}