mirror of
https://github.com/ntop/ntopng.git
synced 2026-04-29 07:29:32 +00:00
81 lines
2.4 KiB
Lua
81 lines
2.4 KiB
Lua
--
|
|
-- (C) 2019-20 - ntop.org
|
|
--
|
|
|
|
local flow_alert_keys = require "flow_alert_keys"
|
|
-- Import the classes library.
|
|
local classes = require "classes"
|
|
-- Make sure to import the Superclass!
|
|
local alert = require "alert"
|
|
|
|
-- ##############################################
|
|
|
|
local external_alert = classes.class(alert)
|
|
|
|
-- ##############################################
|
|
|
|
external_alert.meta = {
|
|
alert_key = flow_alert_keys.flow_alert_external,
|
|
i18n_title = "alerts_dashboard.external_alert",
|
|
icon = "fas fa-fw fa-eye",
|
|
status_keep_increasing_scores = true, -- Every time an external alert is set, scores are increased accordingly
|
|
}
|
|
|
|
-- #######################################################
|
|
|
|
-- @brief Prepare an alert table used to generate the alert
|
|
-- @param info A generic table decoded from a JSON originated at the external alert source
|
|
-- @return A table with the alert built
|
|
function external_alert:init()
|
|
-- Call the parent constructor
|
|
self.super:init()
|
|
end
|
|
|
|
-- #######################################################
|
|
|
|
local function formatIDSAlert(alert)
|
|
local alert_consts = require "alert_consts"
|
|
|
|
local signature = (alert and alert.signature)
|
|
local category = (alert and alert.category)
|
|
local signature_info = (signature and signature:split(" "));
|
|
local maker = (signature_info and table.remove(signature_info, 1))
|
|
local scope = (signature_info and table.remove(signature_info, 1))
|
|
local msg = (signature_info and table.concat(signature_info, " "))
|
|
if maker and alert_consts.ids_rule_maker[maker] then
|
|
maker = alert_consts.ids_rule_maker[maker]
|
|
end
|
|
return i18n("flow_details.ids_alert", { scope=scope, msg=msg, maker=maker })
|
|
end
|
|
|
|
-- #######################################################
|
|
|
|
function external_alert.format(ifid, alert, alert_type_params)
|
|
local res = i18n("alerts_dashboard.external_alert")
|
|
|
|
if not alert_type_params then
|
|
return res
|
|
end
|
|
|
|
local info = alert_type_params
|
|
|
|
if not alert_type_params.source
|
|
and alert_type_params.alerts
|
|
and alert_type_params.alerts[tostring(flow_alert_keys.flow_alert_external)] then
|
|
info = alert_type_params.alerts[tostring(flow_alert_keys.flow_alert_external)]
|
|
end
|
|
|
|
-- Available fields:
|
|
-- info.source (e.g. suricata)
|
|
-- info.alert (alert metadata)
|
|
|
|
if info.source == "suricata" and info.alert then
|
|
res = formatIDSAlert(info.alert)
|
|
end
|
|
|
|
return res
|
|
end
|
|
|
|
-- #######################################################
|
|
|
|
return external_alert
|