Add http webhook support

notify/http.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/bash
+
+#Support http webhooks api
+
+#HTTP_WEBHOOK="xxxx"
+
+# subject content statusCode
+http_send() {
+  _subject="$1"
+  _content="$2"
+  _statusCode="$3" #0: success, 1: error 2($RENEW_SKIP): skipped
+  _debug "_subject" "$_subject"
+  _debug "_content" "$_content"
+  _debug "_statusCode" "$_statusCode"
+
+  HTTP_WEBHOOK="${HTTP_WEBHOOK:-$(_readaccountconf_mutable HTTP_WEBHOOK)}"
+  if [ -z "$HTTP_WEBHOOK" ]; then
+    HTTP_WEBHOOK=""
+    _err "You didn't specify a http webhook HTTP_WEBHOOK yet."
+    return 1
+  fi
+  _saveaccountconf_mutable HTTP_WEBHOOK "$HTTP_WEBHOOK"
+
+  _content=$(echo "$_content" | _json_encode)
+  _subject=$(echo "$_subject" | _json_encode)
+  _data="{\"subject\": \"$_subject\", \"content\": \"$_content\", \"status\": $_statusCode}"
+
+  response="$(_post "$_data" "$HTTP_WEBHOOK" "" "POST" "application/json")"
+
+  if [ "$?" = "0" ]; then
+    _info "http webhooks event fired success."
+    return 0
+  fi
+
+  _err "http webhooks event fired error."
+  _err "$response"
+  return 1
+}