866c200c31
* Allow any parser to suggest a format string for the date to be parsed. * allow the enricher functions to get the parser's logger so they can inherit the level
92 lines
2.2 KiB
Go
92 lines
2.2 KiB
Go
package parser
|
|
|
|
import (
|
|
"time"
|
|
|
|
"github.com/crowdsecurity/crowdsec/pkg/types"
|
|
log "github.com/sirupsen/logrus"
|
|
)
|
|
|
|
func parseDateWithFormat(date, format string) (string, time.Time) {
|
|
t, err := time.Parse(format, 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().UTC().Year(), 0, 0)
|
|
}
|
|
retstr, err := t.MarshalText()
|
|
if err != nil {
|
|
log.Warningf("Failed marshaling '%v'", t)
|
|
return "", time.Time{}
|
|
}
|
|
return string(retstr), t
|
|
}
|
|
return "", time.Time{}
|
|
}
|
|
|
|
func GenDateParse(date string) (string, time.Time) {
|
|
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 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",
|
|
"2006/01/02 15:04:05",
|
|
"2006-01-02 15:04:05",
|
|
}
|
|
)
|
|
|
|
for _, dateFormat := range layouts {
|
|
retstr, parsedDate := parseDateWithFormat(date, dateFormat)
|
|
if !parsedDate.IsZero() {
|
|
return retstr, parsedDate
|
|
}
|
|
}
|
|
return "", time.Time{}
|
|
}
|
|
|
|
func ParseDate(in string, p *types.Event, x interface{}, plog *log.Entry) (map[string]string, error) {
|
|
|
|
var ret map[string]string = make(map[string]string)
|
|
var strDate string
|
|
var parsedDate time.Time
|
|
|
|
if p.StrTimeFormat != "" {
|
|
strDate, parsedDate = parseDateWithFormat(in, p.StrTimeFormat)
|
|
if !parsedDate.IsZero() {
|
|
ret["MarshaledTime"] = strDate
|
|
return ret, nil
|
|
} else {
|
|
plog.Debugf("unable to parse '%s' with layout '%s'", in, p.StrTimeFormat)
|
|
}
|
|
}
|
|
strDate, parsedDate = GenDateParse(in)
|
|
if !parsedDate.IsZero() {
|
|
ret["MarshaledTime"] = strDate
|
|
return ret, nil
|
|
}
|
|
plog.Debugf("no suitable date format found for '%s', falling back to now", in)
|
|
now := time.Now().UTC()
|
|
retstr, err := now.MarshalText()
|
|
if err != nil {
|
|
plog.Warning("Failed marshaling current time")
|
|
return ret, err
|
|
}
|
|
ret["MarshaledTime"] = string(retstr)
|
|
|
|
return ret, nil
|
|
}
|
|
|
|
func parseDateInit(cfg map[string]string) (interface{}, error) {
|
|
return nil, nil
|
|
}
|