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--
-- (C) 2013-22 - ntop.org
--
local dirs = ntop.getDirs()
package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
require "lua_utils"
local json = require("dkjson")
local recording_utils = require "recording_utils"
local function send_error(msg)
sendHTTPContentTypeHeader('application/json')
local res = {}
res.error = msg
print(json.encode(res))
end
if not recording_utils.isExtractionAvailable() then
send_error(i18n("traffic_recording.not_granted"))
else
if _GET["epoch_begin"] == nil or _GET["epoch_end"] == nil then
send_error(i18n("traffic_recording.missing_parameters"))
else
interface.select(ifname)
local ifid = tonumber(_GET["ifid"])
local filter = _GET["bpf_filter"]
local time_from = tonumber(_GET["epoch_begin"])
local time_to = tonumber(_GET["epoch_end"])
if ifid == nil then
local ifstats = interface.getStats()
ifid = ifstats.id
end
if filter == nil then
filter = ""
end
local timeline_path
if recording_utils.getCurrentTrafficRecordingProvider(ifid) ~= "ntopng" then
timeline_path = recording_utils.getCurrentTrafficRecordingProviderTimelinePath(ifid)
end
local fname = time_from.."-"..time_to..".pcap"
sendHTTPContentTypeHeader('application/vnd.tcpdump.pcap', 'attachment; filename="'..fname..'"')
ntop.runLiveExtraction(ifid, time_from, time_to, filter, timeline_path)
end
end
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