Add AddAbpDeveloperSigningCredential method.

modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/AbpIdentityServerBuilderExtensions.cs

@@ -1,9 +1,14 @@
-using System;
+using System;
 using System.IdentityModel.Tokens.Jwt;
+using System.IO;
+using System.Security.Cryptography;
 using IdentityModel;
+using IdentityServer4;
+using IdentityServer4.Configuration;
 using IdentityServer4.Services;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
+using Newtonsoft.Json.Linq;
 using Volo.Abp.Identity;
 using Volo.Abp.IdentityServer.AspNetIdentity;
 using Volo.Abp.Security.Claims;
@@ -49,5 +54,77 @@ public static IIdentityServerBuilder AddAbpIdentityServer(
 
             return builder;
         }
+
+        public static IIdentityServerBuilder AddAbpDeveloperSigningCredential(
+            this IIdentityServerBuilder builder,
+            bool persistKey = true,
+            string filename = null,
+            IdentityServerConstants.RsaSigningAlgorithm signingAlgorithm = IdentityServerConstants.RsaSigningAlgorithm.RS256)
+        {
+            if (filename == null)
+            {
+                filename = Path.Combine(Directory.GetCurrentDirectory(), "tempkey.rsa");
+            }
+
+            if (File.Exists(filename))
+            {
+                var keyFile = File.ReadAllText(filename);
+
+                var json = JObject.Parse(keyFile);
+                var keyId = json.GetValue("KeyId").Value<string>();
+                var jsonParameters = json.GetValue("Parameters");
+                RSAParameters rsaParameters;
+                rsaParameters.D = Convert.FromBase64String(jsonParameters["D"].Value<string>());
+                rsaParameters.DP = Convert.FromBase64String(jsonParameters["DP"].Value<string>());
+                rsaParameters.DQ = Convert.FromBase64String(jsonParameters["DQ"].Value<string>());
+                rsaParameters.Exponent = Convert.FromBase64String(jsonParameters["Exponent"].Value<string>());
+                rsaParameters.InverseQ = Convert.FromBase64String(jsonParameters["InverseQ"].Value<string>());
+                rsaParameters.Modulus = Convert.FromBase64String(jsonParameters["Modulus"].Value<string>());
+                rsaParameters.P = Convert.FromBase64String(jsonParameters["P"].Value<string>());
+                rsaParameters.Q = Convert.FromBase64String(jsonParameters["Q"].Value<string>());
+
+                return builder.AddSigningCredential(CryptoHelper.CreateRsaSecurityKey(rsaParameters, keyId), signingAlgorithm);
+            }
+            else
+            {
+                var key = CryptoHelper.CreateRsaSecurityKey();
+
+                RSAParameters parameters;
+
+                if (key.Rsa != null)
+                {
+                    parameters = key.Rsa.ExportParameters(includePrivateParameters: true);
+                }
+                else
+                {
+                    parameters = key.Parameters;
+                }
+
+                var jObject = new JObject
+                {
+                    {
+                        "KeyId", key.KeyId
+                    },
+                    {
+                        "Parameters", new JObject
+                        {
+                            {"D", Convert.ToBase64String(parameters.D)},
+                            {"DP", Convert.ToBase64String(parameters.DP)},
+                            {"DQ", Convert.ToBase64String(parameters.DQ)},
+                            {"Exponent", Convert.ToBase64String(parameters.Exponent)},
+                            {"Modulus", Convert.ToBase64String(parameters.Modulus)},
+                            {"P", Convert.ToBase64String(parameters.P)},
+                            {"Q", Convert.ToBase64String(parameters.Q)}
+                        }
+                    }
+                };
+
+                if (persistKey)
+                {
+                    File.WriteAllText(filename, jObject.ToString());
+                }
+                return builder.AddSigningCredential(key, signingAlgorithm);
+            }
+        }
     }
-}
+}

modules/identityserver/src/Volo.Abp.IdentityServer.Domain/Volo/Abp/IdentityServer/AbpIdentityServerDomainModule.cs

@@ -67,7 +67,7 @@ private static void AddIdentityServer(IServiceCollection services)
 
             if (builderOptions.AddDeveloperSigningCredential)
             {
-                identityServerBuilder = identityServerBuilder.AddDeveloperSigningCredential();
+                identityServerBuilder = identityServerBuilder.AddAbpDeveloperSigningCredential();
             }
 
             identityServerBuilder.AddAbpIdentityServer(builderOptions);