Implemented security functionality

Added data protection feature
Migrated changes

PostFundManagement.Domain/Api/ApiVersionTargetAttribute.cs

@@ -0,0 +1,7 @@
+namespace PostFundManagement.Domain.Api;
+
+[AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
+public sealed class ApiVersionTargetAttribute(int majorVersion) : Attribute
+{
+    public int MajorVersion { get; } = majorVersion;
+}

PostFundManagement.Domain/Api/Configuration/SecurityClientSettings.cs

@@ -0,0 +1,14 @@
+namespace PostFundManagement.Domain.Api.Configuration;
+
+public sealed class SecurityClientSettings
+{
+    public string? Authority { get; set; }
+
+    public string? GrantType { get; set; }
+
+    public string? ClientId { get; set; }
+
+    public string? ClientSecret { get; set; }
+
+    public string? Scope { get; set; }
+}

PostFundManagement.Domain/Api/Configuration/SecuritySettings.cs

@@ -0,0 +1,12 @@
+namespace PostFundManagement.Domain.Api.Configuration;
+
+public sealed class SecuritySettings
+{
+    public string? Authority { get; set; }
+
+    public string? ClientId { get; set; }
+
+    public string? ClientSecret { get; set; }
+
+    public string? Audience { get; set; }
+}

PostFundManagement.Domain/Api/Models/TokenErrorResponse.cs

@@ -0,0 +1,13 @@
+namespace PostFundManagement.Domain.Api.Models;
+
+public sealed class TokenErrorResponse
+{
+    [JsonPropertyName("error")]
+    public string? Error { get; set; }
+
+    [JsonPropertyName("error_description")]
+    public string? ErrorDescription { get; set; }
+
+    [JsonPropertyName("error_uri")]
+    public string? ErrorUri { get; set; }
+}

PostFundManagement.Domain/Api/Models/TokenRequest.cs

@@ -0,0 +1,20 @@
+namespace PostFundManagement.Domain.Api.Models;
+
+public sealed class TokenRequest
+{
+    [JsonPropertyName("grant_type")]
+    [AliasAs("grant_type")]
+    public string? GrantType { get; set; }
+
+    [JsonPropertyName("client_id")]
+    [AliasAs("client_id")]
+    public string? ClientId { get; set; }
+
+    [JsonPropertyName("client_secret")]
+    [AliasAs("client_secret")]
+    public string? ClientSecret { get; set; }
+
+    [JsonPropertyName("scope")]
+    [AliasAs("scope")]
+    public string? Scope { get; set; }
+}

PostFundManagement.Domain/Api/Models/TokenResponse.cs

@@ -0,0 +1,16 @@
+namespace PostFundManagement.Domain.Api.Models;
+
+public sealed class TokenResponse
+{
+    [JsonPropertyName("access_token")]
+    public string? AccessToken { get; set; }
+
+    [JsonPropertyName("expires_in")]
+    public int ExpiresIn { get; set; }
+
+    [JsonPropertyName("token_type")]
+    public string? TokenType { get; set; }
+
+    [JsonPropertyName("scope")]
+    public string? Scope { get; set; }
+}

PostFundManagement.Domain/Api/OpenApiBearerSecuritySchemeTransformer.cs

@@ -0,0 +1,16 @@
+namespace PostFundManagement.Domain.Api;
+
+public sealed class OpenApiBearerSecuritySchemeTransformer : IOpenApiDocumentTransformer
+{
+    public async Task TransformAsync(OpenApiDocument document, OpenApiDocumentTransformerContext context, CancellationToken cancellationToken)
+    {
+        var bearerScheme = new OpenApiSecurityScheme
+        {
+            Type = SecuritySchemeType.Http,
+            Scheme = "bearer",
+            Description = "JWT Authorization header using the Bearer scheme",
+        };
+
+        document.AddComponent("Bearer", bearerScheme);
+    }
+}