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package x509
import (
"encoding/json"
"errors"
"github.com/zmap/zcrypto/encoding/asn1"
)
type QCStatementASN struct {
StatementID asn1.ObjectIdentifier
StatementInfo asn1.RawValue `asn1:"optional"`
}
func (s *QCStatementASN) MarshalJSON() ([]byte, error) {
aux := struct {
ID string `json:"id,omitempty"`
Value []byte `json:"value,omitempty"`
}{
ID: s.StatementID.String(),
Value: s.StatementInfo.Bytes,
}
return json.Marshal(&aux)
}
type QCStatementsASN struct {
QCStatements []QCStatementASN
}
// ETSI OIDS from https://www.etsi.org/deliver/etsi_en/319400_319499/31941205/02.02.03_20/en_31941205v020203a.pdf
var (
oidEtsiQcsQcCompliance = asn1.ObjectIdentifier{0, 4, 0, 1862, 1, 1}
oidEtsiQcsQcLimitValue = asn1.ObjectIdentifier{0, 4, 0, 1862, 1, 2}
oidEtsiQcsQcRetentionPeriod = asn1.ObjectIdentifier{0, 4, 0, 1862, 1, 3}
oidEtsiQcsQcSSCD = asn1.ObjectIdentifier{0, 4, 0, 1862, 1, 4}
oidEtsiQcsQcEuPDS = asn1.ObjectIdentifier{0, 4, 0, 1862, 1, 5}
oidEtsiQcsQcType = asn1.ObjectIdentifier{0, 4, 0, 1862, 1, 6}
oidEtsiQcsQcCCLegislation = asn1.ObjectIdentifier{0, 4, 0, 1862, 1, 7}
oidEtsiQcsQctEsign = asn1.ObjectIdentifier{0, 4, 0, 1862, 1, 6, 1}
oidEtsiQcsQctEseal = asn1.ObjectIdentifier{0, 4, 0, 1862, 1, 6, 2}
oidEtsiQcsQctWeb = asn1.ObjectIdentifier{0, 4, 0, 1862, 1, 6, 3}
)
type QCStatements struct {
StatementIDs []string `json:"ids,omitempty"`
ParsedStatements *ParsedQCStatements `json:"parsed,omitempty"`
}
type ParsedQCStatements struct {
ETSICompliance []bool `json:"etsi_compliance,omitempty"`
SSCD []bool `json:"sscd,omitempty"`
Types []QCType `json:"types,omitempty"`
Limit []MonetaryValue `json:"limit,omitempty"`
PDSLocations []PDSLocations `json:"pds_locations,omitempty"`
RetentionPeriod []int `json:"retention_period,omitempty"`
Legislation []QCLegistation `json:"legislation,omitempty"`
}
type MonetaryValue struct {
Currency string `json:"currency,omitempty"`
CurrencyNumber int `json:"currency_number,omitempty"`
Amount int `json:"amount,omitempty"`
Exponent int `json:"exponent,omitempty"`
}
type monetaryValueASNString struct {
Currency string `asn1:"printable"`
Amount int
Exponent int
}
type monetaryValueASNNumber struct {
Currency int
Amount int
Exponent int
}
type PDSLocations struct {
Locations []PDSLocation `json:"locations,omitempty"`
}
type PDSLocation struct {
URL string `json:"url,omitempty" asn1:"ia5"`
Language string `json:"language,omitempty" asn1:"printable"`
}
type QCType struct {
TypeIdentifiers []asn1.ObjectIdentifier
}
type QCLegistation struct {
CountryCodes []string `json:"country_codes,omitempty"`
}
func (qt *QCType) MarshalJSON() ([]byte, error) {
aux := struct {
Types []string `json:"ids,omitempty"`
}{
Types: make([]string, len(qt.TypeIdentifiers)),
}
for idx := range qt.TypeIdentifiers {
aux.Types[idx] = qt.TypeIdentifiers[idx].String()
}
return json.Marshal(&aux)
}
func (q *QCStatements) Parse(in *QCStatementsASN) error {
q.StatementIDs = make([]string, len(in.QCStatements))
known := ParsedQCStatements{}
for i, s := range in.QCStatements {
val := in.QCStatements[i].StatementInfo.FullBytes
q.StatementIDs[i] = s.StatementID.String()
if s.StatementID.Equal(oidEtsiQcsQcCompliance) {
known.ETSICompliance = append(known.ETSICompliance, true)
if val != nil {
return errors.New("EtsiQcsQcCompliance QCStatement must not contain a statementInfo")
}
} else if s.StatementID.Equal(oidEtsiQcsQcLimitValue) {
// TODO
mvs := monetaryValueASNString{}
mvn := monetaryValueASNNumber{}
out := MonetaryValue{}
if _, err := asn1.Unmarshal(val, &mvs); err == nil {
out.Currency = mvs.Currency
out.Amount = mvs.Amount
out.Exponent = mvs.Exponent
} else if _, err := asn1.Unmarshal(val, &mvn); err == nil {
out.CurrencyNumber = mvn.Currency
out.Amount = mvn.Amount
out.Exponent = mvn.Exponent
} else {
return err
}
known.Limit = append(known.Limit, out)
} else if s.StatementID.Equal(oidEtsiQcsQcRetentionPeriod) {
var retentionPeriod int
if _, err := asn1.Unmarshal(val, &retentionPeriod); err != nil {
return err
}
known.RetentionPeriod = append(known.RetentionPeriod, retentionPeriod)
} else if s.StatementID.Equal(oidEtsiQcsQcSSCD) {
known.SSCD = append(known.SSCD, true)
if val != nil {
return errors.New("EtsiQcsQcSSCD QCStatement must not contain a statementInfo")
}
} else if s.StatementID.Equal(oidEtsiQcsQcEuPDS) {
locations := make([]PDSLocation, 0)
if _, err := asn1.Unmarshal(val, &locations); err != nil {
return err
}
known.PDSLocations = append(known.PDSLocations, PDSLocations{
Locations: locations,
})
} else if s.StatementID.Equal(oidEtsiQcsQcType) {
typeIds := make([]asn1.ObjectIdentifier, 0)
if _, err := asn1.Unmarshal(val, &typeIds); err != nil {
return err
}
known.Types = append(known.Types, QCType{
TypeIdentifiers: typeIds,
})
} else if s.StatementID.Equal(oidEtsiQcsQcCCLegislation) {
countryCodes := make([]string, 0)
if _, err := asn1.Unmarshal(val, &countryCodes); err != nil {
return err
}
known.Legislation = append(known.Legislation, QCLegistation{
CountryCodes: countryCodes,
})
}
}
q.ParsedStatements = &known
return nil
}
|
