94 lines
3.2 KiB
C#
94 lines
3.2 KiB
C#
using Microsoft.AspNetCore.Authorization;
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using Org.BouncyCastle.Asn1.X509;
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using Org.BouncyCastle.Crypto.Generators;
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using Org.BouncyCastle.Crypto.Prng;
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using Org.BouncyCastle.Crypto;
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using Org.BouncyCastle.Security;
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using Org.BouncyCastle.X509;
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using PrivaPub.ClientModels;
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using System.Security.Cryptography.X509Certificates;
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using Org.BouncyCastle.Math;
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using PrivaPub.Models.User;
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using System.Security.Claims;
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namespace PrivaPub.Extensions
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{
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public static class Extensions
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{
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public static string GetLogsConnectionString(this IConfiguration configuration) =>
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configuration.GetSection("Serilog")
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?.GetSection("WriteTo")
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?.GetChildren()
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?.First()
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?.GetSection("Args")
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?.GetSection("databaseUrl")
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?.Value;
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public static AuthorizationPolicy IsAdminPolicy() =>
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new AuthorizationPolicyBuilder().RequireAuthenticatedUser()
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.RequireClaim(Policies.IsAdmin, true.ToString().ToLower())
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.RequireClaim(Policies.IsUser, true.ToString().ToLower())
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.RequireClaim(Policies.IsModerator, true.ToString().ToLower())
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.Build();
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public static AuthorizationPolicy IsUserPolicy() =>
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new AuthorizationPolicyBuilder().RequireAuthenticatedUser()
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.RequireClaim(Policies.IsUser, true.ToString().ToLower())
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.Build();
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public static AuthorizationPolicy IsModeratorPolicy() =>
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new AuthorizationPolicyBuilder().RequireAuthenticatedUser()
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.RequireClaim(Policies.IsUser, true.ToString().ToLower())
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.RequireClaim(Policies.IsModerator, true.ToString().ToLower())
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.Build();
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public static string GetHostWithPath(this HttpContext httpContext) =>
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$"https://{httpContext.Request.Host}{httpContext.Request.Path}";
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public static string GetHost(this HttpContext httpContext) =>
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$"https://{httpContext.Request.Host}";
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public static X509Certificate2 GetX509Certificate2(string certName)
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{
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var keypairgen = new RsaKeyPairGenerator();
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keypairgen.Init(new KeyGenerationParameters(new SecureRandom(new CryptoApiRandomGenerator()), 512));
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var keypair = keypairgen.GenerateKeyPair();
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var gen = new X509V3CertificateGenerator();
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var CN = new X509Name("CN=" + certName);
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var SN = BigInteger.ProbablePrime(120, new Random());
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gen.SetSerialNumber(SN);
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gen.SetSubjectDN(CN);
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gen.SetIssuerDN(CN);
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gen.SetNotAfter(DateTime.MaxValue);
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gen.SetNotBefore(DateTime.Now.Subtract(new TimeSpan(7, 0, 0, 0)));
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gen.SetSignatureAlgorithm("MD5WithRSA");
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gen.SetPublicKey(keypair.Public);
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var newCert = gen.Generate(keypair.Private);
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return new X509Certificate2(DotNetUtilities.ToX509Certificate((Org.BouncyCastle.X509.X509Certificate)newCert));
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}
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public static UserPolicyType GetHighestPolicy(this ClaimsPrincipal claimsPrincipal)
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{
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if (bool.Parse(claimsPrincipal.FindFirstValue(Policies.IsAdmin)))
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return UserPolicyType.IsAdmin;
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if (bool.Parse(claimsPrincipal.FindFirstValue(Policies.IsModerator)))
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return UserPolicyType.IsModerator;
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if (bool.Parse(claimsPrincipal.FindFirstValue(Policies.IsUser)))
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return UserPolicyType.IsUser;
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return UserPolicyType.IsUser;
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}
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}
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}
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