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using System;
using Org.BouncyCastle.Asn1.X500;
namespace Org.BouncyCastle.Asn1.Esf
{
/**
* Signer-Location attribute (RFC3126).
*
* <pre>
* SignerLocation ::= SEQUENCE {
* countryName [0] DirectoryString OPTIONAL,
* localityName [1] DirectoryString OPTIONAL,
* postalAddress [2] PostalAddress OPTIONAL }
*
* PostalAddress ::= SEQUENCE SIZE(1..6) OF DirectoryString
* </pre>
*/
public class SignerLocation
: Asn1Encodable
{
public static SignerLocation GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is SignerLocation signerLocation)
return signerLocation;
return new SignerLocation(Asn1Sequence.GetInstance(obj));
}
public static SignerLocation GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new SignerLocation(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
private readonly DirectoryString m_countryName;
private readonly DirectoryString m_localityName;
private readonly Asn1Sequence m_postalAddress;
public SignerLocation(Asn1Sequence seq)
{
int count = seq.Count;
if (count < 0 || count > 3)
throw new ArgumentException("Bad sequence size: " + count, nameof(seq));
int pos = 0;
m_countryName = Asn1Utilities.ReadOptionalContextTagged(seq, ref pos, 0, true, DirectoryString.GetInstance);
m_localityName = Asn1Utilities.ReadOptionalContextTagged(seq, ref pos, 1, true, DirectoryString.GetInstance);
m_postalAddress = Asn1Utilities.ReadOptionalContextTagged(seq, ref pos, 2, true, Asn1Sequence.GetInstance);
if (m_postalAddress != null)
{
if (m_postalAddress.Count > 6)
throw new ArgumentException("postal address must contain less than 6 strings");
m_postalAddress.MapElements(element => DirectoryString.GetInstance(element.ToAsn1Object()));
}
if (pos != count)
throw new ArgumentException("Unexpected elements in sequence", nameof(seq));
}
private SignerLocation(DirectoryString countryName, DirectoryString localityName, Asn1Sequence postalAddress)
{
if (postalAddress != null && postalAddress.Count > 6)
throw new ArgumentException("postal address must contain less than 6 strings");
m_countryName = countryName;
m_localityName = localityName;
m_postalAddress = postalAddress;
}
public SignerLocation(DirectoryString countryName, DirectoryString localityName, DirectoryString[] postalAddress)
: this(countryName, localityName, new DerSequence(postalAddress))
{
}
public SignerLocation(DerUtf8String countryName, DerUtf8String localityName, Asn1Sequence postalAddress)
: this(DirectoryString.GetInstance(countryName), DirectoryString.GetInstance(localityName), postalAddress)
{
}
public DirectoryString Country => m_countryName;
public DirectoryString Locality => m_localityName;
public DirectoryString[] GetPostal() =>
m_postalAddress?.MapElements(element => DirectoryString.GetInstance(element.ToAsn1Object()));
public Asn1Sequence PostalAddress => m_postalAddress;
/**
* <pre>
* SignerLocation ::= SEQUENCE {
* countryName [0] DirectoryString OPTIONAL,
* localityName [1] DirectoryString OPTIONAL,
* postalAddress [2] PostalAddress OPTIONAL }
*
* PostalAddress ::= SEQUENCE SIZE(1..6) OF DirectoryString
*
* DirectoryString ::= CHOICE {
* teletexString TeletexString (SIZE (1..MAX)),
* printableString PrintableString (SIZE (1..MAX)),
* universalString UniversalString (SIZE (1..MAX)),
* utf8String UTF8String (SIZE (1.. MAX)),
* bmpString BMPString (SIZE (1..MAX)) }
* </pre>
*/
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector(3);
v.AddOptionalTagged(true, 0, m_countryName);
v.AddOptionalTagged(true, 1, m_localityName);
v.AddOptionalTagged(true, 2, m_postalAddress);
return DerSequence.FromVector(v);
}
}
}
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