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105 lines
2.7 KiB
Lua
105 lines
2.7 KiB
Lua
--
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-- (C) 2013-20 - ntop.org
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--
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local dirs = ntop.getDirs()
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package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
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package.path = dirs.installdir .. "/scripts/lua/modules/alert_store/?.lua;" .. package.path
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local rest_utils = require("rest_utils")
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local host_alert_store = require "host_alert_store".new()
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local auth = require "auth"
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local alert_entities = require "alert_entities"
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local alert_consts = require "alert_consts"
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--
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-- Read alerts data
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-- Example: curl -u admin:admin -H "Content-Type: application/json" -d '{"ifid": "1", "status": "historical"}' http://localhost:3000/lua/rest/v1/get/alert/data.lua
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--
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-- status is currently mapped to the new alerts engine as below:
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-- - engaged: host alerts engaged
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-- - historical: host alerts past
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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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local rc = rest_utils.consts.success.ok
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local res = {}
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local ifid = _GET["ifid"]
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local format = "json"
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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 no_html = false
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local what = _GET["status"]
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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 not auth.has_capability(auth.capabilities.alerts) then
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rest_utils.answer(rest_utils.consts.err.not_granted)
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return
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end
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if isEmptyString(ifid) then
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rc = rest_utils.consts.err.invalid_interface
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rest_utils.answer(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.err.invalid_args
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rest_utils.answer(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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-- backwardcompatibility
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_GET["status"] = "engaged"
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else
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_GET["status"] = "historical"
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end
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-- Fetch the results
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local alerts, recordsFiltered
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if((epoch_begin ~= nil) and (epoch_end ~= nil)) then
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epoch_begin = tonumber(epoch_begin)
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epoch_end = tonumber(epoch_end)
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if(epoch_begin <= epoch_end) then
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host_alert_store:add_time_filter(epoch_begin, epoch_end)
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end
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end
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local entity = "host"
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alerts, recordsFiltered, info = host_alert_store:select_request(nil, "*")
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local alert_names = alert_consts.getAlertTypes(alert_entities[entity].entity_id)
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for _, _value in ipairs(alerts or {}) do
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local formatted_val = host_alert_store:format_record(_value, no_html)
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local record = {}
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tprint("----")
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record["date"] = _value.tstamp_epoch
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record["duration"] = _value.duration
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record["score"] = _value.score
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record["severity"] = alert_consts.alertSeverityRaw(_value.severity)
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record["count"] = 1
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record["msg"] = formatted_val.msg.description
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record["type"] = alert_names[tonumber(_value.alert_id)]
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record["entity"] = entity
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record["entity_val"] = "" -- TODO
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res[#res + 1] = record
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end
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rest_utils.answer(rc, res)
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