crowdsec/pkg/csplugin/helpers.go

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package csplugin
import (
"html"
"os"
"text/template"
"github.com/crowdsecurity/crowdsec/pkg/exprhelpers"
"github.com/crowdsecurity/crowdsec/pkg/models"
log "github.com/sirupsen/logrus"
)
var helpers = template.FuncMap{
"GetMeta": func(a *models.Alert, metaName string) []string {
var metaValues []string
for _, evt := range a.Events {
for _, meta := range evt.Meta {
if meta.Key == metaName {
metaValues = append(metaValues, meta.Value)
}
}
}
return metaValues
},
"CrowdsecCTI": func(x string) any {
ret, err := exprhelpers.CrowdsecCTI(x)
if err != nil {
log.Warningf("error while calling CrowdsecCTI : %s", err)
}
return ret
},
"Hostname": os.Hostname,
"HTMLEscape": html.EscapeString,
}
func funcMap() template.FuncMap {
return helpers
}