Revise authentication logic

Reviewed-on: #5
Reviewed-by: Sergio Matías <sergio.matias@agilewebs.com>
Reviewed-by: efrain_marin <efrain.marin@agilewebs.com>

Core.Cerberos.Adapters/Common/Constants/Policies.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+namespace Core.Thalos.BuildingBlocks.Common.Constants
+{
+    /// <summary>
+    /// Constants for policy.
+    /// </summary>
+    public class Policies
+    {
+        /// <summary>
+        /// Defines the access policy for reading mobile-related data. 
+        /// This policy grants read-only permissions for retrieving mobile device information, 
+        /// user mobile settings, or related data as per the application's authorization scope.
+        /// </summary>
+        public const string Read = "Read";
+
+        /// <summary>
+        /// Defines the access policy for writing mobile-related data. 
+        /// This policy grants permissions to modify, update, or store mobile device information, 
+        /// user mobile settings, or related data as per the application's authorization scope.
+        /// </summary>
+        public const string Write = "Write";
+    }
+}

Core.Cerberos.Adapters/Common/Constants/Roles.cs

@@ -0,0 +1,15 @@
+namespace Core.Thalos.BuildingBlocks.Common.Constants
+{
+    public class Roles
+    {
+        /// <summary>
+        /// The role for Guest.
+        /// </summary>
+        public const string Guest = "684909c4826cd093b4f61c11";
+
+        /// <summary>
+        /// The role for Admin.
+        /// </summary>
+        public const string Admin = "68407642ec46a0e6fe1e8ec9";
+    }
+}

Core.Thalos.BuildingBlocks/Adapters/Base/BaseAdapterResponse.cs

@@ -1,11 +1,6 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Text.Json;
-using System.Threading.Tasks;
+using System.Text.Json;
 
-namespace Core.Thalos.Adapters
+namespace Core.Thalos.BuildingBlocks
 {
     public class BaseAdapterResponse
     {

Core.Thalos.BuildingBlocks/Adapters/ModuleAdapter.cs

@@ -5,12 +5,11 @@
 // ***********************************************************************
 
 using Core.Blueprint.Mongo;
-using Core.Thalos.Adapters.Common.Enums;
 using MongoDB.Bson;
 using MongoDB.Bson.Serialization.Attributes;
 using System.Text.Json.Serialization;
 
-namespace Core.Thalos.Adapters
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Adapter for representing a module.
@@ -18,15 +17,6 @@ namespace Core.Thalos.Adapters
     [CollectionAttributeName("Modules")]
     public class ModuleAdapter : Document
     {
-        /// <summary>
-        /// Gets or sets the ID of the module.
-        /// </summary>
-        [BsonId]
-        [BsonElement("_id")]
-        [BsonRepresentation(BsonType.ObjectId)]
-        [JsonPropertyName("id")]
-        public string Id { get; set; } = null!;
-
         /// <summary>
         /// Gets or sets the name of the module.
         /// </summary>

Core.Thalos.BuildingBlocks/Adapters/PermissionAdapter.cs

@@ -5,12 +5,11 @@
 // ***********************************************************************
 
 using Core.Blueprint.Mongo;
-using Core.Thalos.Adapters.Common.Constants;
 using MongoDB.Bson;
 using MongoDB.Bson.Serialization.Attributes;
 using System.Text.Json.Serialization;
 
-namespace Core.Thalos.Adapters
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Adapter for representing a permission.
@@ -18,15 +17,6 @@ namespace Core.Thalos.Adapters
     [CollectionAttributeName("Permissions")]
     public class PermissionAdapter : Document
     {
-        /// <summary>
-        /// Gets or sets the ID of the entity.
-        /// </summary>
-        [BsonId]
-        [BsonElement("_id")]
-        [BsonRepresentation(BsonType.ObjectId)]
-        [JsonPropertyName("id")]
-        public string Id { get; set; } = null!;
-
         /// <summary>
         /// Gets or sets the name of the entity.
         /// </summary>

Core.Thalos.BuildingBlocks/Adapters/PermissionsAuthorizationAdapter.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Authorization;
 
-namespace Core.Thalos.Adapters.Handlers.Adapters
+namespace Core.Thalos.BuildingBlocks
 {
     public class PermissionsAuthorizationAdapter : IAuthorizationRequirement
     {

Core.Thalos.BuildingBlocks/Adapters/RoleAdapter.cs

@@ -5,12 +5,11 @@
 // ***********************************************************************
 
 using Core.Blueprint.Mongo;
-using Core.Thalos.Adapters.Common.Enums;
 using MongoDB.Bson;
 using MongoDB.Bson.Serialization.Attributes;
 using System.Text.Json.Serialization;
 
-namespace Core.Thalos.Adapters
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Adapter representing a role.
@@ -18,15 +17,6 @@ namespace Core.Thalos.Adapters
     [CollectionAttributeName("Roles")]
     public class RoleAdapter : Document
     {
-        /// <summary>
-        /// Gets or sets the unique identifier of the role.
-        /// </summary>
-        [BsonId]
-        [BsonElement("_id")]
-        [BsonRepresentation(BsonType.ObjectId)]
-        [JsonPropertyName("id")]
-        public string Id { get; set; } = null!;
-
         /// <summary>
         /// Gets or sets the name of the role.
         /// </summary>

Core.Thalos.BuildingBlocks/Adapters/TokenAdapter.cs

@@ -4,7 +4,7 @@
 // </copyright>
 // ***********************************************************************
 
-namespace Core.Thalos.Adapters
+namespace Core.Thalos.BuildingBlocks
 {
     public class TokenAdapter
     {

Core.Thalos.BuildingBlocks/Adapters/UserAdapter.cs

@@ -8,7 +8,7 @@ using MongoDB.Bson;
 using MongoDB.Bson.Serialization.Attributes;
 using System.Text.Json.Serialization;
 
-namespace Core.Thalos.Adapters
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Adapter representing a user.
@@ -16,15 +16,6 @@ namespace Core.Thalos.Adapters
     [CollectionAttributeName("Users")]
     public class UserAdapter : Document
     {
-        /// <summary>
-        /// Gets or sets the unique identifier of the user.
-        /// </summary>
-        [BsonId]
-        [BsonElement("_id")]
-        [BsonRepresentation(BsonType.ObjectId)]
-        [JsonPropertyName("id")]
-        public string Id { get; set; } = null!;
-
         /// <summary>
         /// Gets or sets the guid of the user.
         /// </summary>

Core.Thalos.BuildingBlocks/Adapters/UserExistenceAdapter.cs

@@ -6,7 +6,7 @@
 
 using System.Text.Json.Serialization;
 
-namespace Core.Thalos.Adapters
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Adapter representing a user.

Core.Thalos.BuildingBlocks/Attributes/Permission.cs

@@ -1,4 +1,4 @@
-namespace Core.Thalos.Adapters
+namespace Core.Thalos.BuildingBlocks
 {
     public class Permission
     {

Core.Thalos.BuildingBlocks/Attributes/PermissionAttribute.cs

@@ -2,7 +2,7 @@
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.Filters;
 
-namespace Core.Thalos.Adapters.Attributes
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Custom authorization attribute that checks if the user has any of the required permissions.

Core.Thalos.BuildingBlocks/Authentication/Authorization/Google/GoogleAuthorization.cs

@@ -0,0 +1,37 @@
+using Google.Apis.Auth.OAuth2;
+using Google.Apis.Auth.OAuth2.Flows;
+using Microsoft.Extensions.Configuration;
+
+namespace Core.Thalos.BuildingBlocks
+{
+    public class GoogleAuthorization(
+        IGoogleAuthHelper googleHelper, IConfiguration config) : IGoogleAuthorization
+    {
+        private string RedirectUrl = config["Authentication:Google:RedirectUri"]!;
+
+        public async Task<UserCredential> ExchangeCodeForToken(string code)
+        {
+            var flow = new GoogleAuthorizationCodeFlow(
+                new GoogleAuthorizationCodeFlow.Initializer
+                {
+                    ClientSecrets = googleHelper.GetClientSecrets(),
+                    Scopes = googleHelper.GetScopes()
+                });
+
+            var token = await flow.ExchangeCodeForTokenAsync(
+                "user", code, RedirectUrl, CancellationToken.None);
+
+            return new UserCredential(flow, "user", token);
+        }
+
+        public string GetAuthorizationUrl() =>
+            new GoogleAuthorizationCodeFlow(
+                new GoogleAuthorizationCodeFlow.Initializer
+                {
+
+                    ClientSecrets = googleHelper.GetClientSecrets(),
+                    Scopes = googleHelper.GetScopes(),
+                    Prompt = "consent"
+                }).CreateAuthorizationCodeRequest(RedirectUrl).Build().ToString();
+    }
+}

Core.Thalos.BuildingBlocks/Authentication/Authorization/Google/IGoogleAuthorization.cs

@@ -0,0 +1,10 @@
+using Google.Apis.Auth.OAuth2;
+
+namespace Core.Thalos.BuildingBlocks
+{
+    public interface IGoogleAuthorization
+    {
+        string GetAuthorizationUrl();
+        Task<UserCredential> ExchangeCodeForToken(string code);
+    }
+}

Core.Thalos.BuildingBlocks/Common/Constants/AccessLevelEnum.cs

@@ -6,7 +6,7 @@
 
 using System.Text.Json.Serialization;
 
-namespace Core.Thalos.Adapters.Common.Constants
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Specifies different access level for a permission.

Core.Thalos.BuildingBlocks/Common/Constants/AzureAd.cs

@@ -3,7 +3,7 @@
 //     AgileWebs
 // </copyright>
 // ***********************************************************************
-namespace Core.Thalos.Adapters.Common.Constants
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Constants for Azure Active Directory.

Core.Thalos.BuildingBlocks/Common/Constants/Claims.cs

@@ -3,7 +3,7 @@
 //     AgileWebs
 // </copyright>
 // ***********************************************************************
-namespace Core.Thalos.Adapters.Common.Constants
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Constants for claims used in JWT tokens.

Core.Thalos.BuildingBlocks/Common/Constants/CollectionNames.cs

@@ -1,4 +1,4 @@
-namespace Core.Thalos.Adapters.Common.Constants
+namespace Core.Thalos.BuildingBlocks
 {
     public static class CollectionNames
     {

Core.Thalos.BuildingBlocks/Common/Constants/EnvironmentVariables.cs

@@ -4,7 +4,7 @@
 // </copyright>
 // ***********************************************************************
 
-namespace Core.Thalos.Adapters.Common.Constants
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Constants of the environment variables for this service.

Core.Thalos.BuildingBlocks/Common/Constants/KeyVaultConfiguration.cs

@@ -3,7 +3,7 @@
 //     AgileWebs
 // </copyright>
 // ***********************************************************************
-namespace Core.Thalos.Adapters.Common.Constants
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Constants for Key Vault configuration.

Core.Thalos.BuildingBlocks/Common/Constants/MimeTypes.cs

@@ -6,7 +6,7 @@
 
 using System.Globalization;
 
-namespace Core.Thalos.Adapters.Common.Constants
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Constants for the mime types.

Core.Thalos.BuildingBlocks/Common/Constants/Policies.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+namespace Core.Thalos.BuildingBlocks
+{
+    /// <summary>
+    /// Constants for policy.
+    /// </summary>
+    public class Policies
+    {
+        /// <summary>
+        /// Defines the access policy for reading mobile-related data. 
+        /// This policy grants read-only permissions for retrieving mobile device information, 
+        /// user mobile settings, or related data as per the application's authorization scope.
+        /// </summary>
+        public const string Read = "Read";
+
+        /// <summary>
+        /// Defines the access policy for writing mobile-related data. 
+        /// This policy grants permissions to modify, update, or store mobile device information, 
+        /// user mobile settings, or related data as per the application's authorization scope.
+        /// </summary>
+        public const string Write = "Write";
+    }
+}

Core.Thalos.BuildingBlocks/Common/Constants/Roles.cs

@@ -0,0 +1,15 @@
+namespace Core.Thalos.BuildingBlocks
+{
+    public class Roles
+    {
+        /// <summary>
+        /// The role for Guest.
+        /// </summary>
+        public const string Guest = "684909c4826cd093b4f61c11";
+
+        /// <summary>
+        /// The role for Admin.
+        /// </summary>
+        public const string Admin = "68407642ec46a0e6fe1e8ec9";
+    }
+}

Core.Thalos.BuildingBlocks/Common/Constants/Routes.cs

@@ -4,7 +4,7 @@
 // </copyright>
 // ***********************************************************************
 
-namespace Core.Thalos.Adapters.Common.Constants
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Constants of the routes of this service.

Core.Thalos.BuildingBlocks/Common/Constants/Schemes.cs

@@ -1,4 +1,4 @@
-namespace Core.Thalos.Adapters.Common.Constants
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Constants for schemes.
@@ -14,5 +14,10 @@
         /// The azure scheme.
         /// </summary>
         public const string AzureScheme = "AzureScheme";
+
+        /// <summary>
+        /// The google scheme.
+        /// </summary>
+        public const string GoogleScheme = "GoogleScheme";
     }
 }

Core.Thalos.BuildingBlocks/Common/Constants/Secrets.cs

@@ -3,7 +3,7 @@
 //     AgileWebs
 // </copyright>
 // ***********************************************************************
-namespace Core.Thalos.Adapters.Common.Constants
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Constants for secrets in azure key vault.
@@ -23,12 +23,12 @@ namespace Core.Thalos.Adapters.Common.Constants
         /// <summary>
         /// The Issuer parameter for JWT settings.
         /// </summary>
-        public const string Issuer = "Issuer";
+        public const string Issuer = "JWTIssuer";
 
         /// <summary>
         /// The Audience parameter for JWT settings.
         /// </summary>
-        public const string Audience = "Audience";
+        public const string Audience = "JWTAudience";
 
         /// <summary>
         /// The TokenExpirationInMinutes parameter for JWT settings.
@@ -53,7 +53,10 @@ namespace Core.Thalos.Adapters.Common.Constants
         public const string ThalosAppTokenUrl = "Swagger:TokenUri";
         public const string ThalosAppClientId = "Swagger:ClientId";
         public const string ThalosAppScope = "Swagger:Scope";
-        public const string PrivateKey = "B2C:JwtIssuerOptions:TokenPrivateKey";
-        public const string PublicKey = "B2C:JwtIssuerOptions:TokenPublicKey";
+        public const string PrivateKey = "JwtTokenPrivateKey";
+        public const string PublicKey = "JwtTokenPublicKey";
+        public const string GoogleClientId = "GoogleClientId";
+        public const string GoogleClientSecret = "GoogleClientSecret";
+        public const string GoogleRedirectUri = "GoogleRedirectUri";
     }
 }

Core.Thalos.BuildingBlocks/Common/Enums/ApplicationsEnum.cs

@@ -6,7 +6,7 @@
 
 using System.Text.Json.Serialization;
 
-namespace Core.Thalos.Adapters.Common.Enums
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Defines the applications associated with the role.

Core.Thalos.BuildingBlocks/Common/Enums/StatusEnum.cs

@@ -6,7 +6,7 @@
 
 using System.Text.Json.Serialization;
 
-namespace Core.Thalos.Adapters.Common.Enums
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Defines the status of an entity.

Core.Thalos.BuildingBlocks/Contracts/IGoogleAuthHelper.cs

@@ -0,0 +1,11 @@
+using Google.Apis.Auth.OAuth2;
+
+namespace Core.Thalos.BuildingBlocks
+{
+    public interface IGoogleAuthHelper
+    {
+        string[] GetScopes();
+        string ScopeToString();
+        ClientSecrets GetClientSecrets();
+    }
+}

Core.Thalos.BuildingBlocks/Contracts/ITokenProvider.cs

@@ -4,7 +4,7 @@
 // </copyright>
 // ***********************************************************************
 
-namespace Core.Thalos.Adapters.Contracts
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Interface for token provider.

Core.Thalos.BuildingBlocks/Contracts/ITokenService.cs

@@ -7,7 +7,7 @@
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 
-namespace Core.Thalos.Adapters.Contracts
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Interface for authenticacion service.

Core.Thalos.BuildingBlocks/Core.Thalos.BuildingBlocks.csproj

@@ -8,13 +8,20 @@
     <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+	<VersionPrefix>1.0.5</VersionPrefix>
+	<VersionSuffix>$(Date:yyyyMMddHHmm)</VersionSuffix>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Asp.Versioning.Mvc.ApiExplorer" Version="8.1.0" />
-    <PackageReference Include="Blueprint.Mongo" Version="0.0.3" />
+    <PackageReference Include="Core.Blueprint.KeyVault" Version="1.0.3" />
+    <PackageReference Include="Core.Blueprint.Mongo" Version="1.0.0" />
+    <PackageReference Include="Google.Apis.Auth" Version="1.70.0" />
+    <PackageReference Include="Google.Apis.Oauth2.v2" Version="1.68.0.1869" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.Google" Version="8.0.18" />
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.10" />
     <PackageReference Include="Microsoft.Extensions.Configuration.AzureAppConfiguration" Version="8.2.0" />
+    <PackageReference Include="Microsoft.Extensions.Options" Version="9.0.7" />
     <PackageReference Include="Microsoft.Identity.Web" Version="3.9.1" />
     <PackageReference Include="Microsoft.Identity.Web.MicrosoftGraph" Version="3.9.1" />
     <PackageReference Include="MongoDB.Bson" Version="3.4.0" />
@@ -28,4 +35,8 @@
     <PackageReference Include="System.Text.Json" Version="9.0.5" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Folder Include="Handlers\Adapters\" />
+  </ItemGroup>
+
 </Project>

Core.Thalos.BuildingBlocks/Extensions/AuthenticationExtension.cs

@@ -4,20 +4,17 @@
 // </copyright>
 // ***********************************************************************
 
-using Core.Thalos.Adapters.Common.Constants;
-using Core.Thalos.Adapters.Contracts;
-using Core.Thalos.Adapters.Handlers;
-using Core.Thalos.Adapters.Options;
-using Core.Thalos.Adapters.Services;
+using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
 using Microsoft.Identity.Web;
 using Microsoft.IdentityModel.Tokens;
 using System.Security.Cryptography;
 
-namespace Core.Thalos.Adapters.Extensions
+namespace Core.Thalos.BuildingBlocks.Configuration
 {
     /// <summary>
     /// Extension methods for configuring authentication with various Azure AD setups.
@@ -33,36 +30,38 @@ namespace Core.Thalos.Adapters.Extensions
         {
             var environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? string.Empty;
 
-            var azureAdInMemorySettings = new Dictionary<string, string?>
-            {
-                { "AzureAdB2C:Instance",  authSettings.AzureADInstance ?? string.Empty },
-                { "AzureAdB2C:TenantId", authSettings.AzureADTenantId ?? string.Empty },
-                { "AzureAdB2C:ClientId", authSettings.AzureADClientId ?? string.Empty },
-                { "AzureAdB2C:ClientSecret", authSettings.AzureADClientSecret ?? string.Empty }
-            };
+            var identityProviders = new IdentityProviders();
+            configuration.GetSection("IdentityProviders").Bind(identityProviders);
 
-            var configurationBuilder = new ConfigurationBuilder()
-                .AddConfiguration(configuration)
-                .AddInMemoryCollection(azureAdInMemorySettings);
+            AddCustomAuthentication(services, authSettings.Token);
 
-            var combinedConfiguration = configurationBuilder.Build();
+            if (identityProviders.Azure)
+                AddAzureAuthentication(authSettings, configuration, services);
 
-            services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
-               .AddMicrosoftIdentityWebApi(combinedConfiguration.GetSection("AzureAdB2C"), Schemes.AzureScheme)
-               .EnableTokenAcquisitionToCallDownstreamApi()
-               .AddMicrosoftGraph(configuration.GetSection("MicrosoftGraph"))
-               .AddInMemoryTokenCaches();
+            if (identityProviders.Google)
+                AddGoogleAuthentication(services, authSettings.Google);
 
+            services.AddAuthorization();
+            services.AddTransient<IAuthorizationHandler, PermissionsAuthorizationHandler>();
+            services.AddTransient<ITokenService, TokenService>();
+        }
+
+        public static void AddCustomAuthentication(IServiceCollection services, TokenAuthSettings tokenAuthSettings)
+        {
             var rsa = RSA.Create();
-            rsa.ImportFromPem(authSettings.PrivateKey?.ToCharArray());
+            rsa.ImportFromPem(tokenAuthSettings.PrivateKey?.ToCharArray());
             var rsaPrivateKey = new RsaSecurityKey(rsa);
 
             var rsaPublic = RSA.Create();
-            rsaPublic.ImportFromPem(authSettings.PublicKey?.ToCharArray());
+            rsaPublic.ImportFromPem(tokenAuthSettings.PublicKey?.ToCharArray());
             var rsaPublicKey = new RsaSecurityKey(rsaPublic);
 
-            var jwtAppSettingOptions = configuration.GetSection("B2C:JwtIssuerOptions");
-            var jwtIssuerOptions = jwtAppSettingOptions.Get<JwtIssuerOptions>();
+
+            var jwtIssuerOptions = new JwtIssuerOptions
+            {
+                Audience = tokenAuthSettings.Audience,
+                Issuer = tokenAuthSettings.Issuer,
+            };
 
             if (string.IsNullOrEmpty(jwtIssuerOptions?.Issuer) || string.IsNullOrEmpty(jwtIssuerOptions.Audience))
                 throw new InvalidOperationException("JwtIssuerOptions are not configured correctly.");
@@ -89,9 +88,51 @@ namespace Core.Thalos.Adapters.Extensions
                 options.SigningCredentials = new SigningCredentials(rsaPrivateKey, SecurityAlgorithms.RsaSha256);
             });
 
-            services.AddSingleton(jwtAppSettingOptions);
-            services.AddTransient<IAuthorizationHandler, PermissionsAuthorizationHandler>();
-            services.AddTransient<ITokenService, TokenService>();
+            services.AddSingleton<IOptions<JwtIssuerOptions>>(Microsoft.Extensions.Options.Options.Create(jwtIssuerOptions));
+        }
+
+        public static void AddAzureAuthentication(AuthSettings authSettings, IConfiguration configuration, IServiceCollection services)
+        {
+            var azureAdInMemorySettings = new Dictionary<string, string?>
+            {
+                { "AzureAdB2C:Instance",  authSettings.Azure.Instance ?? string.Empty },
+                { "AzureAdB2C:TenantId", authSettings.Azure.TenantId ?? string.Empty },
+                { "AzureAdB2C:ClientId", authSettings.Azure.ClientId ?? string.Empty },
+                { "AzureAdB2C:ClientSecret", authSettings.Azure.ClientSecret ?? string.Empty }
+            };
+
+            var configurationBuilder = new ConfigurationBuilder()
+                .AddConfiguration(configuration)
+                .AddInMemoryCollection(azureAdInMemorySettings);
+
+            var combinedConfiguration = configurationBuilder.Build();
+
+            services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
+               .AddMicrosoftIdentityWebApi(combinedConfiguration.GetSection("AzureAdB2C"), Schemes.AzureScheme)
+               .EnableTokenAcquisitionToCallDownstreamApi()
+               .AddMicrosoftGraph(configuration.GetSection("MicrosoftGraph"))
+               .AddInMemoryTokenCaches();
+        }
+
+        public static void AddGoogleAuthentication(IServiceCollection services, GoogleAuthSettings googleAuthSettings)
+        {
+            services.AddAuthentication(options =>
+            {
+                options.DefaultAuthenticateScheme = Schemes.GoogleScheme;
+                options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
+            })
+           .AddScheme<AuthenticationSchemeOptions,
+            GoogleAccessTokenAuthenticationHandler>(Schemes.GoogleScheme, null)
+           .AddGoogle(options =>
+           {
+               options.ClientId = googleAuthSettings.ClientId!;
+               options.ClientSecret = googleAuthSettings.ClientSecret!;
+               //options.SaveTokens = true;
+               options.CallbackPath = $"/{googleAuthSettings.RedirectUri}";
+           });
+
+            services.AddScoped<IGoogleAuthHelper, GoogleAuthHelper>();
+            services.AddScoped<IGoogleAuthorization, GoogleAuthorization>();
         }
     }
 }

Core.Thalos.BuildingBlocks/Extensions/SwaggerExtensions.cs

@@ -5,8 +5,6 @@
 // ***********************************************************************
 
 using Asp.Versioning.ApiExplorer;
-using Core.Thalos.Adapters.Common.Constants;
-using Core.Thalos.Adapters.Extensions;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
@@ -16,7 +14,7 @@ using Microsoft.OpenApi.Models;
 using Swashbuckle.AspNetCore.SwaggerGen;
 using Swashbuckle.AspNetCore.SwaggerUI;
 
-namespace Core.Thalos.Adapters.Extensions
+namespace Core.Thalos.BuildingBlocks.Configuration
 {
     /// <summary>
     /// Extension methods for configuring Swagger documentation and UI.
@@ -40,71 +38,115 @@ namespace Core.Thalos.Adapters.Extensions
         /// </summary>
         /// <param name="services">The <see cref="IServiceCollection"/> to add the services to.</param>
         /// <param name="configuration">The <see cref="IConfiguration"/> containing Swagger and OAuth2 configuration settings.</param>
-        public static void AddSwaggerGen(this IServiceCollection services, IConfiguration configuration, string DocumentationFile, AuthSettings authSettings)
+        public static void AddSwaggerGen(
+    this IServiceCollection services,
+    IConfiguration configuration,
+    string documentationFile,
+    AuthSettings authSettings)
         {
+            var identityProviders = new IdentityProviders();
+            configuration.GetSection("IdentityProviders").Bind(identityProviders);
+
             services.AddSwaggerGen(c =>
+            {
+                c.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
                 {
-                    c.AddSecurityDefinition("oauth2", new OpenApiSecurityScheme
+                    Description = "JWT Authorization header using the Bearer scheme",
+                    Name = "Authorization",
+                    In = ParameterLocation.Header,
+                    Type = SecuritySchemeType.Http,
+                    Scheme = "bearer",
+                    BearerFormat = "JWT"
+                });
+
+                c.AddSecurityRequirement(new OpenApiSecurityRequirement
+        {
+            {
+                new OpenApiSecurityScheme
+                {
+                    Reference = new OpenApiReference
                     {
-                        Description = "OAuth2.0 Authorization Code flow",
-                        Name = "oauth2.0",
+                        Type = ReferenceType.SecurityScheme,
+                        Id = "Bearer"
+                    }
+                },
+                Array.Empty<string>()
+            }
+        });
+
+                if (identityProviders.Azure)
+                {
+                    const string azureScheme = "oauth2-Azure";
+
+                    c.AddSecurityDefinition(azureScheme, new OpenApiSecurityScheme
+                    {
+                        Description = "Azure OAuth2 Authorization Code flow",
                         Type = SecuritySchemeType.OAuth2,
                         Flows = new OpenApiOAuthFlows
                         {
                             AuthorizationCode = new OpenApiOAuthFlow
                             {
-                                AuthorizationUrl = new Uri(authSettings.ThalosAppAuthorizationUrl ?? string.Empty),
-                                TokenUrl = new Uri(authSettings.ThalosAppTokenUrl ?? string.Empty),
+                                AuthorizationUrl = new Uri(authSettings.Azure?.ThalosAppAuthorizationUrl ??
+                                    "https://login.microsoftonline.com/common/oauth2/v2.0/authorize"),
+                                TokenUrl = new Uri(authSettings.Azure?.ThalosAppTokenUrl ??
+                                    "https://login.microsoftonline.com/common/oauth2/v2.0/token"),
                                 Scopes = new Dictionary<string, string>
-                                {
-                                { authSettings.ThalosAppScope ?? string.Empty, "Access API as User" }
-                                }
+                        {
+                            { authSettings.Azure?.ThalosAppScope ?? "access_as_user", "Access API as User" }
+                        }
                             }
                         }
                     });
 
                     c.AddSecurityRequirement(new OpenApiSecurityRequirement
                     {
-                    {
-                        new OpenApiSecurityScheme
+                        [new OpenApiSecurityScheme
                         {
-                            Reference = new OpenApiReference { Type = ReferenceType.SecurityScheme, Id = "oauth2" }
-                        },
-                        new[] { authSettings.ThalosAppScope }
-                    }
+                            Reference = new OpenApiReference { Type = ReferenceType.SecurityScheme, Id = azureScheme }
+                        }] = new[] { authSettings.Azure?.ThalosAppScope ?? "access_as_user" }
                     });
+                }
 
-                    c.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
+                if (identityProviders.Google)
+                {
+                    const string googleScheme = "oauth2-Google";
+
+                    c.AddSecurityDefinition(googleScheme, new OpenApiSecurityScheme
                     {
-                        Description = "JWT Authorization header using the Bearer scheme",
-                        Name = "Authorization",
-                        In = ParameterLocation.Header,
-                        Type = SecuritySchemeType.Http,
-                        Scheme = "bearer",
-                        BearerFormat = "JWT"
+                        Type = SecuritySchemeType.OAuth2,
+                        Flows = new OpenApiOAuthFlows
+                        {
+                            AuthorizationCode = new OpenApiOAuthFlow
+                            {
+                                AuthorizationUrl = new Uri("https://accounts.google.com/o/oauth2/v2/auth"),
+                                TokenUrl = new Uri("https://oauth2.googleapis.com/token"),
+                                Scopes = new Dictionary<string, string>
+                        {
+                            { "openid",  "OpenID Connect" },
+                            { "email",   "Access email" },
+                            { "profile", "Access profile" }
+                        }
+                            }
+                        }
                     });
 
                     c.AddSecurityRequirement(new OpenApiSecurityRequirement
                     {
-                    {
-                        new OpenApiSecurityScheme
+                        [new OpenApiSecurityScheme
                         {
-                            Reference = new OpenApiReference
-                            {
-                                Type = ReferenceType.SecurityScheme,
-                                Id = "Bearer"
-                            }
-                        },
-                        Array.Empty<string>()
-                    }
+                            Reference = new OpenApiReference { Type = ReferenceType.SecurityScheme, Id = googleScheme }
+                        }] = new[] { "openid", "email", "profile" }
                     });
+                }
 
-                    var filePath = Path.Combine(AppContext.BaseDirectory, DocumentationFile);
-                    c.IncludeXmlComments(filePath);
-                    c.SchemaFilter<EnumSchemaFilter>();
-                });
+                // ✅ XML Comments
+                var filePath = Path.Combine(AppContext.BaseDirectory, documentationFile);
+                c.IncludeXmlComments(filePath);
+                c.SchemaFilter<EnumSchemaFilter>();
+            });
         }
 
+
         /// <summary>
         /// Configures Swagger and Swagger UI for the application.
         /// </summary>
@@ -129,15 +171,36 @@ namespace Core.Thalos.Adapters.Extensions
         /// </summary>
         /// <param name="app">The <see cref="WebApplication"/> instance.</param>
         /// <param name="configuration">The <see cref="IConfiguration"/> containing Swagger UI and OAuth2 configuration settings.</param>
-        public static void UseSwaggerUI(this WebApplication app, IConfiguration configuration, AuthSettings authSettings)
+        public static void UseSwaggerUI(
+            this WebApplication app,
+            IConfiguration configuration,
+            AuthSettings authSettings)
         {
-            app.UseSwaggerUI(options =>
+            var identityProviders = new IdentityProviders();
+            configuration.GetSection("IdentityProviders").Bind(identityProviders);
+
+            app.UseSwagger();
+
+            if (identityProviders.Google)
             {
-                options.SwaggerEndpoint("/swagger/v1/swagger.json", "Custom Auth API with Azure AD v1");
-                options.OAuthClientId(authSettings.ThalosAppClientId);
-                options.OAuthUsePkce();
-                options.OAuthScopeSeparator(" ");
-            });
+                app.UseSwaggerUI(options =>
+                {
+                    options.OAuthUsePkce();
+                    options.OAuthScopeSeparator(" ");
+                    options.OAuthClientId(authSettings.Google?.ClientId);
+                    options.OAuthClientSecret(authSettings.Google?.ClientSecret);
+                });
+            }
+
+            if (identityProviders.Azure)
+            {
+                app.UseSwaggerUI(options =>
+                {
+                    options.OAuthUsePkce();
+                    options.OAuthScopeSeparator(" ");
+                    options.OAuthClientId(authSettings.Azure?.ThalosAppClientId);
+                });
+            }
         }
 
         /// <summary>

Core.Thalos.BuildingBlocks/Extensions/TelemetryExtensions.cs

@@ -4,15 +4,15 @@ using OpenTelemetry.Metrics;
 using OpenTelemetry.Resources;
 using OpenTelemetry.Trace;
 
-namespace Core.Thalos.Adapters.Extensions
+namespace Core.Thalos.BuildingBlocks.Configuration
 {
     public static class TelemetryExtensions
     {
-        public static void AddTelemetry(this IServiceCollection services)
+        public static void AddTelemetry(this IServiceCollection services, string apiName)
         {
             // Add OpenTelemetry Tracing
             services.AddOpenTelemetry()
-                    .ConfigureResource(resource => resource.AddService("lsa.dashboard.bff.api"))
+                    .ConfigureResource(resource => resource.AddService($"{apiName}"))
                     .WithTracing(tracing => tracing.AddAspNetCoreInstrumentation().AddConsoleExporter())
                     .WithMetrics(metrics => metrics.AddAspNetCoreInstrumentation().AddConsoleExporter()).
                      WithLogging(logs => logs.AddConsoleExporter());

Core.Thalos.BuildingBlocks/Extensions/TrackingMechanismExtension.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Http;
 
-namespace Core.Thalos.Adapters.Extensions
+namespace Core.Thalos.BuildingBlocks.Extensions
 {
     public sealed class TrackingMechanismExtension : DelegatingHandler
     {

Core.Thalos.BuildingBlocks/Handlers/AuthenticatedHttpClientHandler.cs

@@ -4,9 +4,8 @@
 // </copyright>
 // ***********************************************************************
 
-using Core.Thalos.Adapters.Contracts;
 
-namespace Core.Thalos.Adapters.Handlers
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Class to inject the token in all requests.

Core.Thalos.BuildingBlocks/Handlers/GoogleAccessTokenAuthenticationHandler.cs

@@ -0,0 +1,62 @@
+using Google.Apis.Auth;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using System.Security.Claims;
+using System.Text.Encodings.Web;
+
+namespace Core.Thalos.BuildingBlocks
+{
+    public class GoogleAccessTokenAuthenticationHandler(IOptionsMonitor<AuthenticationSchemeOptions> options,
+         ILoggerFactory logger,
+         UrlEncoder encoder,
+         IConfiguration config) : AuthenticationHandler<AuthenticationSchemeOptions>(options, logger, encoder)
+    {
+        protected override async Task<AuthenticateResult> HandleAuthenticateAsync()
+        {
+            if (!Request.Headers.ContainsKey("Authorization"))
+                return AuthenticateResult.Fail("Missing Authorization header");
+
+            var authHeader = Request.Headers.Authorization.ToString();
+            if (!authHeader.StartsWith("Bearer ", StringComparison.OrdinalIgnoreCase))
+                return AuthenticateResult.Fail("Invalid Authorization header");
+
+            var idToken = authHeader["Bearer ".Length..].Trim();
+
+            GoogleJsonWebSignature.Payload payload;
+            try
+            {
+                payload = await GoogleJsonWebSignature.ValidateAsync(
+                    idToken,
+                    new GoogleJsonWebSignature.ValidationSettings
+                    {
+                        Audience = new[] { config["Authentication:Google:ClientId"]! }
+                    });
+            }
+            catch (InvalidJwtException)
+            {
+                return AuthenticateResult.Fail("Invalid Google token");
+            }
+
+            var claims = new List<Claim>
+            {
+                new Claim(ClaimTypes.NameIdentifier, payload.Subject),
+                new Claim(ClaimTypes.Email,          payload.Email),
+                new Claim(ClaimTypes.Name,           payload.Name ?? "")
+            };
+
+            var identity = new ClaimsIdentity(claims, Schemes.GoogleScheme);
+            var principal = new ClaimsPrincipal(identity);
+
+            var userEmail = principal.FindFirst(ClaimTypes.Email)?.Value;
+
+            if (string.IsNullOrEmpty(userEmail) ||
+                !userEmail.EndsWith("@agilewebs.com", StringComparison.OrdinalIgnoreCase))
+                return AuthenticateResult.Fail("Unauthorized Access");
+
+            var ticket = new AuthenticationTicket(principal, Schemes.GoogleScheme);
+            return AuthenticateResult.Success(ticket);
+        }
+    }
+}

Core.Thalos.BuildingBlocks/Handlers/PermissionsAuthorizationHandler.cs

@@ -1,7 +1,6 @@
-using Core.Thalos.Adapters.Handlers.Adapters;
-using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Authorization;
 
-namespace Core.Thalos.Adapters.Handlers
+namespace Core.Thalos.BuildingBlocks
 {
     public class PermissionsAuthorizationHandler : AuthorizationHandler<PermissionsAuthorizationAdapter>
     {

Core.Thalos.BuildingBlocks/Helpers/AuthHelper.cs

@@ -1,11 +1,12 @@
 using Azure.Identity;
-using Core.Thalos.Adapters.Common.Constants;
+using Core.Blueprint.KeyVault;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Configuration.AzureAppConfiguration;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 
-namespace Core.Thalos.Adapters.Helpers
+namespace Core.Thalos.BuildingBlocks
 {
     public static class AuthHelper
     {
@@ -15,38 +16,113 @@ namespace Core.Thalos.Adapters.Helpers
         }).CreateLogger("AuthHelper");
 
 
-        public static AuthSettings GetAuthSettings(WebApplicationBuilder builder, string appConfigLabel)
+        public static async Task<AuthSettings> GetAuthSettings(this IServiceCollection services, WebApplicationBuilder builder, string appConfigLabel)
         {
-            builder.Configuration.AddAzureAppConfiguration(options =>
+            var environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? string.Empty;
+            var authSettings = new AuthSettings();
+
+            var identityProviders = new IdentityProviders();
+            builder.Configuration.GetSection("IdentityProviders").Bind(identityProviders);
+
+            using var serviceProvider = services.BuildServiceProvider();
+            var keyVaultProvider = serviceProvider.GetRequiredService<IKeyVaultProvider>();
+
+            if (environment != "Local")
             {
-                var endpoint = builder.Configuration.GetSection("Endpoints:AppConfigurationURI").Value;
-
-                if (string.IsNullOrEmpty(endpoint))
-                    throw new ArgumentException("The app configuration is missing");
-
-                options.Connect(new Uri(endpoint), new DefaultAzureCredential())
-                       .Select(KeyFilter.Any, "thalos_common")
-                       .Select(KeyFilter.Any, appConfigLabel);
-
-                options.ConfigureKeyVault(keyVaultOptions =>
+                builder.Configuration.AddAzureAppConfiguration(options =>
                 {
-                    keyVaultOptions.SetCredential(new DefaultAzureCredential());
-                });
-            });
+                    var endpoint = builder.Configuration.GetSection("Endpoints:AppConfigurationURI").Value;
 
-            return new AuthSettings
+                    if (string.IsNullOrEmpty(endpoint))
+                        throw new ArgumentException("The app configuration is missing");
+
+                    options.Connect(new Uri(endpoint), new DefaultAzureCredential())
+                           .Select(KeyFilter.Any, "thalos_common")
+                           .Select(KeyFilter.Any, appConfigLabel);
+
+                    options.ConfigureKeyVault(keyVaultOptions =>
+                    {
+                        keyVaultOptions.SetCredential(new DefaultAzureCredential());
+                    });
+                });
+            }
+
+            if (identityProviders.Google)
+                authSettings.Google = await GetGoogleSettings(keyVaultProvider, builder);
+
+            if (identityProviders.Azure)
+                authSettings.Azure = GetAzureSettings(builder);
+
+            authSettings.Token = await GetTokenSettings(keyVaultProvider, builder);
+
+            return authSettings;
+        }
+
+        private async static ValueTask<TokenAuthSettings> GetTokenSettings(IKeyVaultProvider keyVaultProvider, WebApplicationBuilder builder)
+        {
+            var environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? string.Empty;
+
+            var tokenSettings = new TokenAuthSettings();
+
+            if (environment == "Local")
             {
-                AzureADInstance = builder.Configuration.GetSection(Secrets.AzureADInstance).Value,
-                AzureADTenantId = builder.Configuration.GetSection(Secrets.AzureADTenantId).Value,
-                AzureADClientId = builder.Configuration.GetSection(Secrets.AzureADClientId).Value,
-                AzureADClientSecret = builder.Configuration.GetSection(Secrets.AzureADClientSecret).Value,
+                tokenSettings.PublicKey = (await keyVaultProvider.GetSecretAsync(Secrets.PublicKey, new CancellationToken { })).Secret.Value;
+                tokenSettings.PrivateKey = (await keyVaultProvider.GetSecretAsync(Secrets.PrivateKey, new CancellationToken { })).Secret.Value;
+                tokenSettings.Issuer = (await keyVaultProvider.GetSecretAsync(Secrets.Issuer, new CancellationToken { })).Secret.Value;
+                tokenSettings.Audience = (await keyVaultProvider.GetSecretAsync(Secrets.Audience, new CancellationToken { })).Secret.Value;
+            }
+            else
+            {
+                tokenSettings.PrivateKey = builder.Configuration.GetSection(Secrets.PrivateKey).Value;
+                tokenSettings.PublicKey = builder.Configuration.GetSection(Secrets.PublicKey).Value;
+                tokenSettings.Issuer = builder.Configuration.GetSection(Secrets.Issuer).Value;
+                tokenSettings.Audience = builder.Configuration.GetSection(Secrets.Audience).Value;
+            }
+
+            if (string.IsNullOrEmpty(tokenSettings.PrivateKey) || string.IsNullOrEmpty(tokenSettings.PublicKey))
+            {
+                logger.LogError("Settings for token creation are missing or incorrectly formatted.");
+                throw new InvalidOperationException("Invalid public or private key.");
+            }
+
+            return tokenSettings;
+        }
+
+        private static AzureAuthSettings GetAzureSettings(WebApplicationBuilder builder)
+        {
+            return new AzureAuthSettings
+            {
+                Instance = builder.Configuration.GetSection(Secrets.AzureADInstance).Value,
+                TenantId = builder.Configuration.GetSection(Secrets.AzureADTenantId).Value,
+                ClientId = builder.Configuration.GetSection(Secrets.AzureADClientId).Value,
+                ClientSecret = builder.Configuration.GetSection(Secrets.AzureADClientSecret).Value,
                 ThalosAppAuthorizationUrl = builder.Configuration.GetSection(Secrets.ThalosAppAuthorizationUrl).Value,
                 ThalosAppTokenUrl = builder.Configuration.GetSection(Secrets.ThalosAppTokenUrl).Value,
                 ThalosAppClientId = builder.Configuration.GetSection(Secrets.ThalosAppClientId).Value,
                 ThalosAppScope = builder.Configuration.GetSection(Secrets.ThalosAppScope).Value,
-                PrivateKey = builder.Configuration.GetSection(Secrets.PrivateKey).Value,
-                PublicKey = builder.Configuration.GetSection(Secrets.PublicKey).Value,
             };
         }
+
+        private static async ValueTask<GoogleAuthSettings> GetGoogleSettings(IKeyVaultProvider keyVaultProvider, WebApplicationBuilder builder)
+        {
+            var environment = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
+            var googleSettings = new GoogleAuthSettings();
+
+            if (environment == "Local")
+            {
+                googleSettings.ClientId = (await keyVaultProvider.GetSecretAsync(Secrets.GoogleClientId, new CancellationToken { })).Secret.Value; ;
+                googleSettings.ClientSecret = (await keyVaultProvider.GetSecretAsync(Secrets.GoogleClientSecret, new CancellationToken { })).Secret.Value;
+                googleSettings.RedirectUri = (await keyVaultProvider.GetSecretAsync(Secrets.GoogleRedirectUri, new CancellationToken { })).Secret.Value;
+            }
+            else
+            {
+                googleSettings.ClientId = builder.Configuration.GetSection(Secrets.GoogleClientId).Value;
+                googleSettings.ClientSecret = builder.Configuration.GetSection(Secrets.GoogleClientSecret).Value;
+                googleSettings.RedirectUri = builder.Configuration.GetSection(Secrets.GoogleRedirectUri).Value;
+            }
+
+            return googleSettings;
+        }
     }
 }
+

Core.Thalos.BuildingBlocks/Helpers/GoogleAuthHelper.cs

@@ -0,0 +1,31 @@
+using Google.Apis.Auth.OAuth2;
+using Google.Apis.Oauth2.v2;
+using Microsoft.Extensions.Configuration;
+
+namespace Core.Thalos.BuildingBlocks
+{
+    public class GoogleAuthHelper(IConfiguration config) : IGoogleAuthHelper
+    {
+        public ClientSecrets GetClientSecrets()
+        {
+            string clientId = config["Authentication:Google:ClientId"]!;
+            string clientSecret = config["Authentication:Google:ClientSecret"]!;
+
+            return new() { ClientId = clientId, ClientSecret = clientSecret };
+        }
+
+        public string[] GetScopes()
+        {
+            var scopes = new[]
+            {
+                Oauth2Service.Scope.Openid,
+                Oauth2Service.Scope.UserinfoEmail,
+                Oauth2Service.Scope.UserinfoProfile
+            };
+
+            return scopes;
+        }
+
+        public string ScopeToString() => string.Join(", ", GetScopes());
+    }
+}

Core.Thalos.BuildingBlocks/Helpers/RsaHelper.cs

@@ -10,7 +10,7 @@ using Org.BouncyCastle.Security;
 using System.Security.Cryptography;
 using System.Text;
 
-namespace Core.Thalos.Adapters.Helpers
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Handles all methods related to RSA encryption"/>.

Core.Thalos.BuildingBlocks/Options/JwtIssuerOptions.cs

@@ -1,6 +1,6 @@
 using Microsoft.IdentityModel.Tokens;
 
-namespace Core.Thalos.Adapters.Options
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// JWT token Issuer options (used for JWT Factory)

Core.Thalos.BuildingBlocks/Services/TokenService.cs

@@ -3,9 +3,6 @@
 //     AgileWebs
 // </copyright>
 // ***********************************************************************
-using Core.Thalos.Adapters.Common.Constants;
-using Core.Thalos.Adapters.Contracts;
-using Core.Thalos.Adapters.Options;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Configuration;
@@ -16,7 +13,7 @@ using System.IdentityModel.Tokens.Jwt;
 using System.Security.Claims;
 using System.Text.Json;
 
-namespace Core.Thalos.Adapters.Services
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Service responsible for manage authenticacion.

Core.Thalos.BuildingBlocks/Settings/AuthSettings.cs

@@ -4,22 +4,39 @@
 // </copyright>
 // ***********************************************************************
 
+namespace Core.Thalos.BuildingBlocks;
 public class AuthSettings
 {
-    // Azure AD Settings
-    public string? AzureADInstance { get; set; }
-    public string? AzureADTenantId { get; set; }
-    public string? AzureADClientId { get; set; }
-    public string? AzureADClientSecret { get; set; }
+    public AzureAuthSettings? Azure { get; set; }
+    public TokenAuthSettings Token { get; set; } = null!;
+    public GoogleAuthSettings? Google { get; set; }
+}
 
-    //Thalos App Settings
+public class AzureAuthSettings
+{
+    public string? Instance { get; set; }
+    public string? TenantId { get; set; }
+    public string? ClientId { get; set; }
+    public string? ClientSecret { get; set; }
     public string? ThalosAppAuthorizationUrl { get; set; }
     public string? ThalosAppTokenUrl { get; set; }
     public string? ThalosAppClientId { get; set; }
     public string? ThalosAppScope { get; set; }
-
-    // Token Keys
-    public string? PrivateKey { get; set; }
-    public string? PublicKey { get; set; }
+}
+
+public class GoogleAuthSettings
+{
+    public string? ClientId { get; set; }
+    public string? ClientSecret { get; set; }
+    public string? RedirectUri { get; set; }
+
+}
+
+public class TokenAuthSettings
+{
+    public string? PrivateKey { get; set; }
+    public string? PublicKey { get; set; }
+    public string? Audience { get; set; }
+    public string? Issuer { get; set; }
 }
 

Core.Thalos.BuildingBlocks/Settings/IdentityProviders.cs

@@ -0,0 +1,8 @@
+namespace Core.Thalos.BuildingBlocks
+{
+    public class IdentityProviders
+    {
+        public bool Google { get; set; }
+        public bool Azure { get; set; }
+    }
+}

Core.Thalos.BuildingBlocks/TokenProvider/HttpContextTokenProvider.cs

@@ -4,10 +4,9 @@
 // </copyright>
 // ***********************************************************************
 
-using Core.Thalos.Adapters.Contracts;
 using Microsoft.AspNetCore.Http;
 
-namespace Core.Thalos.Adapters.TokenProvider
+namespace Core.Thalos.BuildingBlocks
 {
     /// <summary>
     /// Class to return the access token to controllers.