Merge pull request 'Updated API to use LiteCharms Security' (#83) from payments into master

Reviewed-on: #83

LiteCharms.Features.Tests/http/litecharms/app.http

@@ -1,6 +1,6 @@
 ### Authentik Token Request (Service Account Explicit)
-POST {{authority}}
+POST {{authority}}/connect/token
 Content-Type: application/x-www-form-urlencoded
 Accept-Encoding: identity
 
-grant_type={{grantType}}&client_id={{clientId}}&username={{username}}&password={{password}}&scope={{scope}}
+grant_type={{grantType}}&client_id={{clientId}}&client_secret={{clientSecret}}&scope={{scope}}

LiteCharms.Features.Tests/http/litecharms/http-client.env.json

@@ -0,0 +1,9 @@
+{
+  "uat": {
+    "authority": "https://sts.security.khongisa.co.za",
+    "grantType": "client_credentials",
+    "clientId": "midrandbooks-api-uat",
+    "clientSecret": "secret_5a36d0024980544c875447a4b052938becc3fbbb10b8b2c097310c1a53ba3c0a",
+    "scope": "midrandbooks-api"
+  }
+}

LiteCharms.Features/Api/Configuration/LiteCharmsSettings.cs

@@ -1,22 +1,16 @@
 namespace LiteCharms.Features.Api.Configuration;
 
-public sealed class AuthentikSettings
+public sealed class LiteCharmsSettings
 {
     public string? Authority { get; set; }
 
-    public string? IntrospectionEndpoint { get; set; }
-
-    public string? MetadataEndpoint { get; set; }
-
-    public string? RevokationEndpoint { get; set; }
-
     public string? ClientId { get; set; }
 
     public string? ClientSecret { get; set; }
 
+    public string? Audience { get; set; }
+
     public string? RequiredClaimName { get; set; }
 
     public string? RequiredClaimNameValue { get; set; }
-
-    public bool RequireHttpsMetadata { get; set; }
 }

LiteCharms.Features/Extensions/Api.cs

@@ -1,6 +1,7 @@
 using LiteCharms.Features.Abstractions;
 using LiteCharms.Features.Api;
 using LiteCharms.Features.Api.Configuration;
+using Microsoft.AspNetCore.Authentication.JwtBearer;
 
 namespace LiteCharms.Features.Extensions;
 
@@ -9,14 +10,14 @@ public static class Api
     public const string Books = nameof(Books);
     public const string Payments = nameof(Payments);
 
-    public static IServiceCollection AddAuthentikUiSecurity(this IServiceCollection services, IConfiguration configuration)
+    public static IServiceCollection AddLiteCharmsUiSecurity(this IServiceCollection services, IConfiguration configuration)
     {
-        var configSection = configuration.GetSection(nameof(AuthentikSettings));
+        var configSection = configuration.GetSection(nameof(LiteCharmsSettings));
 
-        var authOptions = new AuthentikSettings();
+        var authOptions = new LiteCharmsSettings();
         configSection.Bind(authOptions);
 
-        services.Configure<AuthentikSettings>(configSection);
+        services.Configure<LiteCharmsSettings>(configSection);
 
         services.AddAuthentication(options =>
         {
@@ -26,8 +27,7 @@ public static class Api
         .AddCookie(CookieAuthenticationDefaults.AuthenticationScheme)
         .AddOpenIdConnect(OpenIdConnectDefaults.AuthenticationScheme, options =>
         {
-            options.Authority = authOptions.Authority;
-            options.MetadataAddress = authOptions.MetadataEndpoint;
+            options.Authority = authOptions.Authority;           
 
             options.ClientId = authOptions.ClientId;
             options.ClientSecret = authOptions.ClientSecret;
@@ -54,27 +54,26 @@ public static class Api
         return services;
     }
 
-    public static IServiceCollection AddAuthentikApiSecurity(this IServiceCollection services, IConfiguration configuration)
+    public static IServiceCollection AddLiteCharmsApiSecurity(this IServiceCollection services, IConfiguration configuration)
     {
-        var configSection = configuration.GetSection(nameof(AuthentikSettings));
+        var configSection = configuration.GetSection(nameof(LiteCharmsSettings));
 
-        var authOptions = new AuthentikSettings();
+        var authOptions = new LiteCharmsSettings();
         configSection.Bind(authOptions);
 
-        services.Configure<AuthentikSettings>(configSection);
+        services.Configure<LiteCharmsSettings>(configSection);
 
-        services.AddAuthentication(OAuth2IntrospectionDefaults.AuthenticationScheme)
-            .AddOAuth2Introspection(OAuth2IntrospectionDefaults.AuthenticationScheme, options =>
+        services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
+            .AddJwtBearer(options =>
             {
                 options.Authority = authOptions.Authority;
-                options.IntrospectionEndpoint = authOptions.IntrospectionEndpoint;
-                options.ClientId = authOptions.ClientId;
-                options.ClientSecret = authOptions.ClientSecret;
-
-                options.NameClaimType = "sub";
-                options.DiscoveryPolicy.RequireHttps = authOptions.RequireHttpsMetadata;
-                options.DiscoveryPolicy.ValidateEndpoints = false;
-                options.EnableCaching = false;
+                options.Audience = authOptions.Audience;
+                options.TokenValidationParameters = new TokenValidationParameters
+                {
+                    ValidIssuer = authOptions.Authority,
+                    ValidateAudience = true,
+                    ValidateIssuer = true,
+                };
             });
 
         if (!string.IsNullOrWhiteSpace(authOptions.RequiredClaimName) && !string.IsNullOrWhiteSpace(authOptions.RequiredClaimNameValue))
@@ -99,7 +98,7 @@ public static class Api
             });
         });
 
-        app.MapGet("/logout", async (HttpContext context, IHttpClientFactory httpClientFactory, IOptions<AuthentikSettings> settings) =>
+        app.MapGet("/logout", async (HttpContext context, IHttpClientFactory httpClientFactory, IOptions<LiteCharmsSettings> settings) =>
         {
             await context.SignOutAsync(CookieAuthenticationDefaults.AuthenticationScheme);