Add Gotify notification (#3759)

notify/gotify.sh

@@ -0,0 +1,62 @@
+#!/usr/bin/env sh
+
+#Support Gotify
+
+#GOTIFY_URL="https://gotify.example.com"
+#GOTIFY_TOKEN="123456789ABCDEF"
+
+#optional
+#GOTIFY_PRIORITY=0
+
+# subject  content statusCode
+gotify_send() {
+  _subject="$1"
+  _content="$2"
+  _statusCode="$3" #0: success, 1: error 2($RENEW_SKIP): skipped
+  _debug "_subject" "$_subject"
+  _debug "_content" "$_content"
+  _debug "_statusCode" "$_statusCode"
+
+  GOTIFY_URL="${GOTIFY_URL:-$(_readaccountconf_mutable GOTIFY_URL)}"
+  if [ -z "$GOTIFY_URL" ]; then
+    GOTIFY_URL=""
+    _err "You didn't specify the gotify server url GOTIFY_URL."
+    return 1
+  fi
+  _saveaccountconf_mutable GOTIFY_URL "$GOTIFY_URL"
+
+  GOTIFY_TOKEN="${GOTIFY_TOKEN:-$(_readaccountconf_mutable GOTIFY_TOKEN)}"
+  if [ -z "$GOTIFY_TOKEN" ]; then
+    GOTIFY_TOKEN=""
+    _err "You didn't specify the gotify token GOTIFY_TOKEN."
+    return 1
+  fi
+  _saveaccountconf_mutable GOTIFY_TOKEN "$GOTIFY_TOKEN"
+
+  GOTIFY_PRIORITY="${GOTIFY_PRIORITY:-$(_readaccountconf_mutable GOTIFY_PRIORITY)}"
+  if [ -z "$GOTIFY_PRIORITY" ]; then
+    GOTIFY_PRIORITY=0
+  else
+    _saveaccountconf_mutable GOTIFY_PRIORITY "$GOTIFY_PRIORITY"
+  fi
+
+  export _H1="X-Gotify-Key: ${GOTIFY_TOKEN}"
+  export _H2="Content-Type: application/json"
+
+  _content=$(echo "$_content" | _json_encode)
+  _subject=$(echo "$_subject" | _json_encode)
+
+  _data="{\"title\": \"${_subject}\", \"message\": \"${_content}\", \"priority\": ${GOTIFY_PRIORITY}}"
+
+  response="$(_post "${_data}" "${GOTIFY_URL}/message" "" "POST" "application/json")"
+
+  if [ "$?" != "0" ]; then
+    _err "Failed to send message"
+    _err "$response"
+    return 1
+  fi
+
+  _debug2 response "$response"
+
+  return 0
+}