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filter.go
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filter.go
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package certificateutil
import "sort"
// FilterCertificateInfoModelsByFilterFunc ...
func FilterCertificateInfoModelsByFilterFunc(certificates []CertificateInfoModel, filterFunc func(certificate CertificateInfoModel) bool) []CertificateInfoModel {
filteredCertificates := []CertificateInfoModel{}
for _, certificate := range certificates {
if filterFunc(certificate) {
filteredCertificates = append(filteredCertificates, certificate)
}
}
return filteredCertificates
}
// ValidCertificateInfo contains the certificate infos filtered as valid, invalid and duplicated common name certificates
type ValidCertificateInfo struct {
ValidCertificates,
InvalidCertificates,
DuplicatedCertificates []CertificateInfoModel
}
// FilterValidCertificateInfos filters out invalid and duplicated common name certificaates
func FilterValidCertificateInfos(certificateInfos []CertificateInfoModel) ValidCertificateInfo {
var invalidCertificates []CertificateInfoModel
nameToCerts := map[string][]CertificateInfoModel{}
for _, certificateInfo := range certificateInfos {
if certificateInfo.CheckValidity() != nil {
invalidCertificates = append(invalidCertificates, certificateInfo)
continue
}
nameToCerts[certificateInfo.CommonName] = append(nameToCerts[certificateInfo.CommonName], certificateInfo)
}
var validCertificates, duplicatedCertificates []CertificateInfoModel
for _, certs := range nameToCerts {
if len(certs) == 0 {
continue
}
sort.Slice(certs, func(i, j int) bool {
return certs[i].EndDate.Before(certs[j].EndDate)
})
validCertificates = append(validCertificates, certs[0])
if len(certs) > 1 {
duplicatedCertificates = append(duplicatedCertificates, certs[1:]...)
}
}
return ValidCertificateInfo{
ValidCertificates: validCertificates,
InvalidCertificates: invalidCertificates,
DuplicatedCertificates: duplicatedCertificates,
}
}