60 lines
1.9 KiB
C#
60 lines
1.9 KiB
C#
using GostXades.Abstractions;
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using GostXades.Helpers;
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using Org.BouncyCastle.Asn1.X509;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text.RegularExpressions;
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namespace GostXades
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{
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public class IssuerComparer : IIssuerComparer
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{
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static IssuerComparer()
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{
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var regexps = new Dictionary<string, string>
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{
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["^(ОГРН|OGRN|OID.1.2.643.100.1)="] = "1.2.643.100.1=",
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["^(ОГРНИП|OGRNIP|OID.1.2.643.100.5)="] = "1.2.643.100.5=",
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["^(ИНН|INN|OID.1.2.643.3.131.1.1)="] = "1.2.643.3.131.1.1=",
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["^(E|Е|OID.1.2.840.113549.1.9.1)="] = "1.2.840.113549.1.9.1=",
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["^S="] = "ST=",
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["\\\""] = string.Empty,
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[". "] = ".",
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};
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RegexpToReplace = regexps.ToDictionary(x => new Regex(x.Key), x => x.Value);
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}
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private static IEnumerable<string> ParseIssuer(string issuer)
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{
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return Tokenize(issuer).Select(ReplaceOids);
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}
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private static string ReplaceOids(string oidString)
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{
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foreach (var item in RegexpToReplace)
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{
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oidString = item.Key.Replace(oidString, item.Value);
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}
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return oidString;
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}
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private static IEnumerable<string> Tokenize(string issuer)
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{
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var tokenizer = new X509NameTokenizer(issuer);
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while (tokenizer.HasMoreTokens())
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{
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yield return tokenizer.NextToken();
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}
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}
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private static readonly Dictionary<Regex, string> RegexpToReplace;
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public bool AreSameIssuer(string first, string second)
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{
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var firstTokens = ParseIssuer(first);
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var secondTokens = ParseIssuer(second);
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return EnumerableHelper.AreSequenceEquals(firstTokens, secondTokens);
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}
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}
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}
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