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113 lines
2.9 KiB
Lua
113 lines
2.9 KiB
Lua
--
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-- (C) 2013-20 - ntop.org
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--
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dirs = ntop.getDirs()
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package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
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require "lua_utils"
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local alert_utils = require "alert_utils"
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require "flow_utils"
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local alert_consts = require "alert_consts"
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local format_utils = require "format_utils"
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local json = require "dkjson"
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local rest_utils = require("rest_utils")
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--
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-- Read alerts data
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-- Example: curl -u admin:admin -d '{"ifid": "1", "status": "historical"}' http://localhost:3000/lua/rest/v1/get/alert/data.lua
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--
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-- NOTE: in case of invalid login, no error is returned but redirected to login
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--
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sendHTTPHeader('application/json')
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local rc = rest_utils.consts_ok
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local res = {}
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local ifid = _GET["ifid"]
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local what = _GET["status"]
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local epoch_begin = _GET["epoch_begin"]
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local epoch_end = _GET["epoch_end"]
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local alert_type = _GET["alert_type"]
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local alert_severity = _GET["alert_severity"]
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if isEmptyString(ifid) then
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rc = rest_utils.consts_invalid_interface
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print(rest_utils.rc(rc))
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return
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end
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interface.select(ifid)
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if isEmptyString(what) then
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rc = rest_utils.consts_invalid_args
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print(rest_utils.rc(rc))
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return
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end
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local engaged = false
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if what == "engaged" then
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engaged = true
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end
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local alert_options = {
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epoch_begin = epoch_begin,
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epoch_end = epoch_end,
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alert_type = alert_type,
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alert_severity = alert_severity,
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}
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local alerts = alert_utils.getAlerts(what, alert_options)
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if alerts == nil then alerts = {} end
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for _key,_value in ipairs(alerts) do
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local record = {}
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local alert_entity
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local alert_entity_val
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if _value["alert_entity"] ~= nil then
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alert_entity = alert_consts.alertEntityLabel(_value["alert_entity"], true)
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else
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alert_entity = "flow" -- flow alerts page doesn't have an entity
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end
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if _value["alert_entity_val"] ~= nil then
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alert_entity_val = _value["alert_entity_val"]
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else
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alert_entity_val = ""
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end
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local duration
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if engaged == true then
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duration = os.time() - tonumber(_value["alert_tstamp"])
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elseif tonumber(_value["alert_tstamp_end"]) ~= nil then
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duration = tonumber(_value["alert_tstamp_end"]) - tonumber(_value["alert_tstamp"])
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end
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local severity = alert_consts.alertSeverityRaw(tonumber(_value["alert_severity"]))
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local atype = alert_consts.alertTypeRaw(tonumber(_value["alert_type"]))
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local count = tonumber(_value["alert_counter"])
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local score = tonumber(_value["score"])
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local alert_info = alert_utils.getAlertInfo(_value)
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local msg = alert_utils.formatAlertMessage(ifid, _value, alert_info)
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local date = _value["alert_tstamp"]
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record["date"] = date
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record["duration"] = duration
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record["severity"] = severity
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record["type"] = atype
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record["count"] = count
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record["score"] = score
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record["msg"] = msg
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record["entity"] = alert_entity
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record["entity_val"] = alert_entity_val
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-- record["value"] = _value
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res[#res + 1] = record
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end -- for
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print(rest_utils.rc(rc, res))
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