mirror of
https://github.com/ntop/ntopng.git
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87 lines
3.2 KiB
Lua
87 lines
3.2 KiB
Lua
--
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-- (C) 2019-21 - ntop.org
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--
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-- ##############################################
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local alert_keys = require "alert_keys"
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-- Import the classes library.
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local classes = require "classes"
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-- Make sure to import the Superclass!
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local alert = require "alert"
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require("lua_utils")
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-- ##############################################
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local alert_periodicity_update = classes.class(alert)
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-- ##############################################
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alert_periodicity_update.meta = {
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alert_key = alert_keys.ntopng.alert_periodicity_update,
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i18n_title = "alerts_dashboard.alert_periodicity_update",
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icon = "fas fa-arrows-alt-h",
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}
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-- ##############################################
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-- @brief Prepare an alert table used to generate the alert
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-- @param last_error A table containing the last lateral movement error, e.g.,
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-- {"event":"create","shost":"192.168.2.153","dhost":"224.0.0.68","dport":1968,"vlan_id":0,"l4":17,"l7":0,"first_seen":1602488355,"last_seen":1602488355,"num_uses":1}
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-- @return A table with the alert built
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function alert_periodicity_update:init(last_error, created_or_removed)
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-- Call the parent constructor
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self.super:init()
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self.alert_type_params = {
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error_msg = last_error,
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created_or_removed = created_or_removed
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}
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end
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-- #######################################################
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-- @brief Format an alert into a human-readable string
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-- @param ifid The integer interface id of the generated alert
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-- @param alert The alert description table, including alert data such as the generating entity, timestamp, granularity, type
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-- @param alert_type_params Table `alert_type_params` as built in the `:init` method
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-- @return A human-readable string
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function alert_periodicity_update.format(ifid, alert, alert_type_params)
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local msg = alert_type_params.error_msg
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local vlan_id = msg.vlan_id or 0
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local client = {host = msg.shost, vlan = vlan_id}
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local server = {host = msg.dhost, vlan = vlan_id}
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local rsp
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if alert_type_params.created_or_removed == "create" then
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rsp = "Flow "
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rsp = rsp .. hostinfo2detailshref(client, nil, hostinfo2label(client))..
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" <i class=\"fas fa-exchange-alt fa-lg\" aria-hidden=\"true\" data-original-title=\"\" title=\"\"></i> " ..
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hostinfo2detailshref(server, nil, hostinfo2label(server))..
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" ["..i18n("port")..": "..msg.dport.."]"
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rsp = rsp .. "["..i18n("application")..": "..interface.getnDPIProtoName(msg.l7).."]"
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if not isEmptyString(msg.info) then
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rsp = rsp .. "[" .. msg.info .. "]"
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end
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rsp = rsp .. " is now periodic (freq. " .. msg["frequency"] .. " sec)"
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else
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rsp = "Periodic flow ended: "
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rsp = rsp .. hostinfo2detailshref(client, nil, hostinfo2label(client))..
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" <i class=\"fas fa-exchange-alt fa-lg\" aria-hidden=\"true\" data-original-title=\"\" title=\"\"></i> " ..
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hostinfo2detailshref(server, nil, hostinfo2label(server))..
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" ["..i18n("port")..": "..msg.dport.."]"
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rsp = rsp .. "["..i18n("application")..": "..interface.getnDPIProtoName(msg.l7).."]"
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if not isEmptyString(msg.info) then
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rsp = rsp .. "[" .. shortenString(msg.info, 24) .. "]"
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end
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end
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return(rsp)
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end
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-- #######################################################
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return alert_periodicity_update
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