Introduce a ValidateOnStart() method in all builders

src/OpenIddict.Client.AspNetCore/OpenIddictClientAspNetCoreBuilder.cs

@@ -30,6 +30,17 @@ public sealed class OpenIddictClientAspNetCoreBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictClientAspNetCoreBuilder"/> instance.</returns>
+    public OpenIddictClientAspNetCoreBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictClientAspNetCoreOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict client ASP.NET Core configuration.
     /// </summary>

src/OpenIddict.Client.DataProtection/OpenIddictClientDataProtectionBuilder.cs

@@ -29,6 +29,17 @@ public sealed class OpenIddictClientDataProtectionBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictClientDataProtectionBuilder"/> instance.</returns>
+    public OpenIddictClientDataProtectionBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictClientDataProtectionOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict client ASP.NET Core Data Protection configuration.
     /// </summary>

src/OpenIddict.Client.Owin/OpenIddictClientOwinBuilder.cs

@@ -30,6 +30,17 @@ public sealed class OpenIddictClientOwinBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictClientOwinBuilder"/> instance.</returns>
+    public OpenIddictClientOwinBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictClientOwinOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict client OWIN/Katana configuration.
     /// </summary>

src/OpenIddict.Client.SystemIntegration/OpenIddictClientSystemIntegrationBuilder.cs

@@ -32,6 +32,17 @@ public sealed class OpenIddictClientSystemIntegrationBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictClientSystemIntegrationBuilder"/> instance.</returns>
+    public OpenIddictClientSystemIntegrationBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictClientSystemIntegrationOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict client system integration configuration.
     /// </summary>

src/OpenIddict.Client.SystemNetHttp/OpenIddictClientSystemNetHttpBuilder.cs

@@ -33,6 +33,17 @@ public sealed class OpenIddictClientSystemNetHttpBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictClientSystemNetHttpBuilder"/> instance.</returns>
+    public OpenIddictClientSystemNetHttpBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictClientSystemNetHttpOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict client/System.Net.Http configuration.
     /// </summary>

src/OpenIddict.Client.WebIntegration/OpenIddictClientWebIntegrationBuilder.cs

@@ -27,6 +27,17 @@ public sealed partial class OpenIddictClientWebIntegrationBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictClientWebIntegrationBuilder"/> instance.</returns>
+    public OpenIddictClientWebIntegrationBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictClientWebIntegrationOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict client Web integration configuration.
     /// </summary>

src/OpenIddict.Client/OpenIddictClientBuilder.cs

@@ -34,6 +34,18 @@ public sealed class OpenIddictClientBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictClientBuilder"/> instance.</returns>
+    public OpenIddictClientBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictClientOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Registers an event handler using the specified configuration delegate.
     /// </summary>

src/OpenIddict.Core/OpenIddictCoreBuilder.cs

@@ -30,6 +30,17 @@ public sealed class OpenIddictCoreBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictCoreBuilder"/> instance.</returns>
+    public OpenIddictCoreBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictCoreOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict core configuration.
     /// </summary>

src/OpenIddict.EntityFramework/OpenIddictEntityFrameworkBuilder.cs

@@ -31,6 +31,17 @@ public sealed class OpenIddictEntityFrameworkBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictEntityFrameworkBuilder"/> instance.</returns>
+    public OpenIddictEntityFrameworkBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictEntityFrameworkOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict Entity Framework 6.x configuration.
     /// </summary>

src/OpenIddict.EntityFrameworkCore/OpenIddictEntityFrameworkCoreBuilder.cs

@@ -31,6 +31,17 @@ public sealed class OpenIddictEntityFrameworkCoreBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictEntityFrameworkCoreBuilder"/> instance.</returns>
+    public OpenIddictEntityFrameworkCoreBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictEntityFrameworkCoreOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict Entity Framework Core configuration.
     /// </summary>

src/OpenIddict.MongoDb/OpenIddictMongoDbBuilder.cs

@@ -31,6 +31,17 @@ public sealed class OpenIddictMongoDbBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictMongoDbBuilder"/> instance.</returns>
+    public OpenIddictMongoDbBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictMongoDbOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict MongoDB configuration.
     /// </summary>

src/OpenIddict.Quartz/OpenIddictQuartzBuilder.cs

@@ -27,6 +27,17 @@ public sealed class OpenIddictQuartzBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictQuartzBuilder"/> instance.</returns>
+    public OpenIddictQuartzBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictQuartzOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict Quartz.NET configuration.
     /// </summary>

src/OpenIddict.Server.AspNetCore/OpenIddictServerAspNetCoreBuilder.cs

@@ -29,6 +29,17 @@ public sealed class OpenIddictServerAspNetCoreBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictServerAspNetCoreBuilder"/> instance.</returns>
+    public OpenIddictServerAspNetCoreBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictServerAspNetCoreOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict server ASP.NET Core configuration.
     /// </summary>

src/OpenIddict.Server.DataProtection/OpenIddictServerDataProtectionBuilder.cs

@@ -29,6 +29,17 @@ public sealed class OpenIddictServerDataProtectionBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictServerDataProtectionBuilder"/> instance.</returns>
+    public OpenIddictServerDataProtectionBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictServerDataProtectionOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict server ASP.NET Core Data Protection configuration.
     /// </summary>

src/OpenIddict.Server.Owin/OpenIddictServerOwinBuilder.cs

@@ -30,6 +30,17 @@ public sealed class OpenIddictServerOwinBuilder
     public IServiceCollection Services { get; }
 
     /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictServerOwinBuilder"/> instance.</returns>
+    public OpenIddictServerOwinBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictServerOwinOptions>();
+
+        return this;
+    }
+
+    /// <summary>   
     /// Amends the default OpenIddict server OWIN/Katana configuration.
     /// </summary>
     /// <param name="configuration">The delegate used to configure the OpenIddict options.</param>

src/OpenIddict.Server/OpenIddictServerBuilder.cs

@@ -34,6 +34,17 @@ public sealed class OpenIddictServerBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictServerBuilder"/> instance.</returns>
+    public OpenIddictServerBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictServerOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Registers an event handler using the specified configuration delegate.
     /// </summary>

src/OpenIddict.Validation.AspNetCore/OpenIddictValidationAspNetCoreBuilder.cs

@@ -28,6 +28,17 @@ public sealed class OpenIddictValidationAspNetCoreBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictValidationAspNetCoreBuilder"/> instance.</returns>
+    public OpenIddictValidationAspNetCoreBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictValidationAspNetCoreOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict validation ASP.NET Core configuration.
     /// </summary>

src/OpenIddict.Validation.DataProtection/OpenIddictValidationDataProtectionBuilder.cs

@@ -29,6 +29,17 @@ public sealed class OpenIddictValidationDataProtectionBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictValidationDataProtectionBuilder"/> instance.</returns>
+    public OpenIddictValidationDataProtectionBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictValidationDataProtectionOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict validation ASP.NET Core Data Protection configuration.
     /// </summary>

src/OpenIddict.Validation.Owin/OpenIddictValidationOwinBuilder.cs

@@ -28,6 +28,17 @@ public sealed class OpenIddictValidationOwinBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictValidationOwinBuilder"/> instance.</returns>
+    public OpenIddictValidationOwinBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictValidationOwinOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict validation OWIN/Katana configuration.
     /// </summary>

src/OpenIddict.Validation.ServerIntegration/OpenIddictValidationServerIntegrationBuilder.cs

@@ -27,6 +27,17 @@ public sealed class OpenIddictValidationServerIntegrationBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictValidationServerIntegrationBuilder"/> instance.</returns>
+    public OpenIddictValidationServerIntegrationBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictValidationServerIntegrationOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict validation/server integration configuration.
     /// </summary>

src/OpenIddict.Validation.SystemNetHttp/OpenIddictValidationSystemNetHttpBuilder.cs

@@ -32,6 +32,17 @@ public sealed class OpenIddictValidationSystemNetHttpBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictValidationSystemNetHttpBuilder"/> instance.</returns>
+    public OpenIddictValidationSystemNetHttpBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictValidationSystemNetHttpOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Amends the default OpenIddict validation/System.Net.Http configuration.
     /// </summary>

src/OpenIddict.Validation/OpenIddictValidationBuilder.cs

@@ -33,6 +33,17 @@ public sealed class OpenIddictValidationBuilder
     [EditorBrowsable(EditorBrowsableState.Never)]
     public IServiceCollection Services { get; }
 
+    /// <summary>
+    /// Enables validation of options during application startup.
+    /// </summary>
+    /// <returns>The <see cref="OpenIddictValidationBuilder"/> instance.</returns>
+    public OpenIddictValidationBuilder ValidateOnStart()
+    {
+        Services.AddOptionsWithValidateOnStart<OpenIddictValidationOptions>();
+
+        return this;
+    }
+
     /// <summary>
     /// Registers an event handler using the specified configuration delegate.
     /// </summary>