package parser import ( "plugin" "time" "github.com/crowdsecurity/crowdsec/pkg/types" log "github.com/sirupsen/logrus" ) /* should be part of a packaged shared with enrich/geoip.go */ type EnrichFunc func(string, *types.Event, interface{}) (map[string]string, error) type InitFunc func(map[string]string) (interface{}, error) type EnricherCtx struct { Funcs map[string]EnrichFunc Init InitFunc Plugin *plugin.Plugin //pointer to the actual plugin Name string Path string //path to .so ? RuntimeCtx interface{} //the internal context of plugin, given back over every call initiated bool } /* mimic plugin loading */ func Loadplugin(path string) (EnricherCtx, error) { var err error c := EnricherCtx{} c.Name = path c.Path = path /* we don't want to deal with plugin loading for now :p */ c.Funcs = map[string]EnrichFunc{ "GeoIpASN": GeoIpASN, "GeoIpCity": GeoIpCity, "reverse_dns": reverse_dns, "ParseDate": ParseDate, "IpToRange": IpToRange, } c.Init = GeoIpInit c.RuntimeCtx, err = c.Init(map[string]string{"datadir": path}) if err != nil { log.Warningf("load (fake) plugin load : %v", err) c.initiated = false } c.initiated = true return c, nil } func GenDateParse(date string) (string, time.Time) { var retstr string var layouts = [...]string{ time.RFC3339, "02/Jan/2006:15:04:05 -0700", "Mon Jan 2 15:04:05 2006", "02-Jan-2006 15:04:05 europe/paris", "01/02/2006 15:04:05", "2006-01-02 15:04:05.999999999 -0700 MST", //Jan 5 06:25:11 "Jan 2 15:04:05", "Mon Jan 02 15:04:05.000000 2006", "2006-01-02T15:04:05Z07:00", "2006/01/02", "2006/01/02 15:04", "2006-01-02", "2006-01-02 15:04", } for _, dateFormat := range layouts { t, err := time.Parse(dateFormat, date) if err == nil && !t.IsZero() { //if the year isn't set, set it to current date :) if t.Year() == 0 { t = t.AddDate(time.Now().Year(), 0, 0) } retstr, err := t.MarshalText() if err != nil { log.Warningf("Failed marshaling '%v'", t) continue } return string(retstr), t } } return retstr, time.Time{} } func ParseDate(in string, p *types.Event, x interface{}) (map[string]string, error) { var ret map[string]string = make(map[string]string) tstr, tbin := GenDateParse(in) if !tbin.IsZero() { ret["MarshaledTime"] = string(tstr) return ret, nil } return nil, nil }