Add a SetProductInformation() overload accepting an assembly from which the product information is derived

sandbox/OpenIddict.Sandbox.AspNet.Client/Startup.cs

@@ -92,9 +92,11 @@ namespace OpenIddict.Sandbox.AspNet.Client
                            .EnableRedirectionEndpointPassthrough()
                            .EnablePostLogoutRedirectionEndpointPassthrough();
 
-                    // Register the System.Net.Http integration and configure the HTTP options.
+                    // Register the System.Net.Http integration and use the identity of the current
+                    // assembly as a more specific user agent, which can be useful when dealing with
+                    // providers that use the user agent as a way to throttle requests (e.g Reddit).
                     options.UseSystemNetHttp()
-                           .SetProductInformation("DemoApp", "1.0.0");
+                           .SetProductInformation(typeof(Startup).Assembly);
 
                     // Add a client registration matching the client application definition in the server project.
                     options.AddRegistration(new OpenIddictClientRegistration

sandbox/OpenIddict.Sandbox.AspNet.Server/Startup.cs

@@ -140,9 +140,11 @@ namespace OpenIddict.Sandbox.AspNet.Server
                     options.UseOwin()
                            .EnableRedirectionEndpointPassthrough();
 
-                    // Register the System.Net.Http integration and configure the HTTP options.
+                    // Register the System.Net.Http integration and use the identity of the current
+                    // assembly as a more specific user agent, which can be useful when dealing with
+                    // providers that use the user agent as a way to throttle requests (e.g Reddit).
                     options.UseSystemNetHttp()
-                           .SetProductInformation("DemoApp", "1.0.0");
+                           .SetProductInformation(typeof(Startup).Assembly);
 
                     // Register the Web providers integrations.
                     options.UseWebProviders()

sandbox/OpenIddict.Sandbox.AspNetCore.Client/Startup.cs

@@ -102,9 +102,11 @@ public class Startup
                        .EnableRedirectionEndpointPassthrough()
                        .EnablePostLogoutRedirectionEndpointPassthrough();
 
-                // Register the System.Net.Http integration and configure the HTTP options.
+                // Register the System.Net.Http integration and use the identity of the current
+                // assembly as a more specific user agent, which can be useful when dealing with
+                // providers that use the user agent as a way to throttle requests (e.g Reddit).
                 options.UseSystemNetHttp()
-                       .SetProductInformation("DemoApp", "1.0.0");
+                       .SetProductInformation(typeof(Startup).Assembly);
 
                 // Add a client registration matching the client application definition in the server project.
                 options.AddRegistration(new OpenIddictClientRegistration

sandbox/OpenIddict.Sandbox.AspNetCore.Server/Startup.cs

@@ -1,4 +1,3 @@
-using System.Net.Http.Headers;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.EntityFrameworkCore;
 using OpenIddict.Sandbox.AspNetCore.Server.Models;
@@ -87,9 +86,11 @@ public class Startup
                        .EnableStatusCodePagesIntegration()
                        .EnableRedirectionEndpointPassthrough();
 
-                // Register the System.Net.Http integration and configure the HTTP options.
+                // Register the System.Net.Http integration and use the identity of the current
+                // assembly as a more specific user agent, which can be useful when dealing with
+                // providers that use the user agent as a way to throttle requests (e.g Reddit).
                 options.UseSystemNetHttp()
-                       .SetProductInformation("DemoApp", "1.0.0");
+                       .SetProductInformation(typeof(Startup).Assembly);
 
                 // Register the Web providers integrations.
                 options.UseWebProviders()

src/OpenIddict.Abstractions/OpenIddictResources.resx

@@ -1331,6 +1331,9 @@ Alternatively, you can disable the token storage feature by calling 'services.Ad
   <data name="ID0344" xml:space="preserve">
     <value>The request forgery protection claim cannot be resolved from the sign-out context.</value>
   </data>
+  <data name="ID0345" xml:space="preserve">
+    <value>The product name cannot be null or empty.</value>
+  </data>
   <data name="ID2000" xml:space="preserve">
     <value>The security token is missing.</value>
   </data>

src/OpenIddict.Client.SystemNetHttp/OpenIddictClientSystemNetHttpBuilder.cs

@@ -6,6 +6,7 @@
 
 using System.ComponentModel;
 using System.Net.Http.Headers;
+using System.Reflection;
 using OpenIddict.Client.SystemNetHttp;
 using Polly;
 
@@ -52,8 +53,15 @@ public class OpenIddictClientSystemNetHttpBuilder
     /// </summary>
     /// <param name="policy">The HTTP Polly error policy.</param>
     /// <returns>The <see cref="OpenIddictClientSystemNetHttpBuilder"/>.</returns>
-    public OpenIddictClientSystemNetHttpBuilder SetHttpErrorPolicy(IAsyncPolicy<HttpResponseMessage>? policy)
-        => Configure(options => options.HttpErrorPolicy = policy);
+    public OpenIddictClientSystemNetHttpBuilder SetHttpErrorPolicy(IAsyncPolicy<HttpResponseMessage> policy)
+    {
+        if (policy is null)
+        {
+            throw new ArgumentNullException(nameof(policy));
+        }
+
+        return Configure(options => options.HttpErrorPolicy = policy);
+    }
 
     /// <summary>
     /// Sets the product information used in the user agent header that is attached
@@ -61,8 +69,15 @@ public class OpenIddictClientSystemNetHttpBuilder
     /// </summary>
     /// <param name="information">The product information.</param>
     /// <returns>The <see cref="OpenIddictClientSystemNetHttpBuilder"/>.</returns>
-    public OpenIddictClientSystemNetHttpBuilder SetProductInformation(ProductInfoHeaderValue? information)
-        => Configure(options => options.ProductInformation = information);
+    public OpenIddictClientSystemNetHttpBuilder SetProductInformation(ProductInfoHeaderValue information)
+    {
+        if (information is null)
+        {
+            throw new ArgumentNullException(nameof(information));
+        }
+
+        return Configure(options => options.ProductInformation = information);
+    }
 
     /// <summary>
     /// Sets the product information used in the user agent header that is attached
@@ -71,8 +86,34 @@ public class OpenIddictClientSystemNetHttpBuilder
     /// <param name="name">The product name.</param>
     /// <param name="version">The product version.</param>
     /// <returns>The <see cref="OpenIddictClientSystemNetHttpBuilder"/>.</returns>
-    public OpenIddictClientSystemNetHttpBuilder SetProductInformation(string? name, string? version)
-        => SetProductInformation(!string.IsNullOrEmpty(name) ? new ProductInfoHeaderValue(name, version) : null);
+    public OpenIddictClientSystemNetHttpBuilder SetProductInformation(string name, string? version)
+    {
+        if (string.IsNullOrEmpty(name))
+        {
+            throw new ArgumentException(SR.GetResourceString(SR.ID0345), nameof(name));
+        }
+
+        return SetProductInformation(new ProductInfoHeaderValue(name, version));
+    }
+
+    /// <summary>
+    /// Sets the product information used in the user agent header that is attached
+    /// to the backchannel HTTP requests sent to the authorization server based
+    /// on the identity of the specified .NET assembly (name and version).
+    /// </summary>
+    /// <param name="assembly">The assembly from which the product information is created.</param>
+    /// <returns>The <see cref="OpenIddictClientSystemNetHttpBuilder"/>.</returns>
+    public OpenIddictClientSystemNetHttpBuilder SetProductInformation(Assembly assembly)
+    {
+        if (assembly is null)
+        {
+            throw new ArgumentNullException(nameof(assembly));
+        }
+
+        return SetProductInformation(new ProductInfoHeaderValue(
+            productName: assembly.GetName().Name!,
+            productVersion: assembly.GetName().Version!.ToString()));
+    }
 
     /// <inheritdoc/>
     [EditorBrowsable(EditorBrowsableState.Never)]

src/OpenIddict.Core/Caches/OpenIddictScopeCache.cs

@@ -160,7 +160,7 @@ public class OpenIddictScopeCache<TScope> : IOpenIddictScopeCache<TScope>, IDisp
     /// <inheritdoc/>
     public IAsyncEnumerable<TScope> FindByNamesAsync(ImmutableArray<string> names, CancellationToken cancellationToken)
     {
-        if (names.Any(name => string.IsNullOrEmpty(name)))
+        if (names.Any(string.IsNullOrEmpty))
         {
             throw new ArgumentException(SR.GetResourceString(SR.ID0203), nameof(names));
         }

src/OpenIddict.Core/Managers/OpenIddictScopeManager.cs

@@ -274,7 +274,7 @@ public class OpenIddictScopeManager<TScope> : IOpenIddictScopeManager where TSco
     public virtual IAsyncEnumerable<TScope> FindByNamesAsync(
         ImmutableArray<string> names, CancellationToken cancellationToken = default)
     {
-        if (names.Any(name => string.IsNullOrEmpty(name)))
+        if (names.Any(string.IsNullOrEmpty))
         {
             throw new ArgumentException(SR.GetResourceString(SR.ID0203), nameof(names));
         }

src/OpenIddict.EntityFramework/Stores/OpenIddictEntityFrameworkScopeStore.cs

@@ -161,7 +161,7 @@ public class OpenIddictEntityFrameworkScopeStore<TScope, TContext, TKey> : IOpen
     public virtual IAsyncEnumerable<TScope> FindByNamesAsync(
         ImmutableArray<string> names, CancellationToken cancellationToken)
     {
-        if (names.Any(name => string.IsNullOrEmpty(name)))
+        if (names.Any(string.IsNullOrEmpty))
         {
             throw new ArgumentException(SR.GetResourceString(SR.ID0203), nameof(names));
         }

src/OpenIddict.EntityFrameworkCore/Stores/OpenIddictEntityFrameworkCoreScopeStore.cs

@@ -177,7 +177,7 @@ public class OpenIddictEntityFrameworkCoreScopeStore<TScope, TContext, TKey> : I
     public virtual IAsyncEnumerable<TScope> FindByNamesAsync(
         ImmutableArray<string> names, CancellationToken cancellationToken)
     {
-        if (names.Any(name => string.IsNullOrEmpty(name)))
+        if (names.Any(string.IsNullOrEmpty))
         {
             throw new ArgumentException(SR.GetResourceString(SR.ID0203), nameof(names));
         }

src/OpenIddict.MongoDb/Stores/OpenIddictMongoDbScopeStore.cs

@@ -129,7 +129,7 @@ public class OpenIddictMongoDbScopeStore<TScope> : IOpenIddictScopeStore<TScope>
     /// <inheritdoc/>
     public virtual IAsyncEnumerable<TScope> FindByNamesAsync(ImmutableArray<string> names, CancellationToken cancellationToken)
     {
-        if (names.Any(name => string.IsNullOrEmpty(name)))
+        if (names.Any(string.IsNullOrEmpty))
         {
             throw new ArgumentException(SR.GetResourceString(SR.ID0203), nameof(names));
         }

src/OpenIddict.Server/OpenIddictServerBuilder.cs

@@ -1676,7 +1676,7 @@ public class OpenIddictServerBuilder
             throw new ArgumentNullException(nameof(claims));
         }
 
-        if (claims.Any(claim => string.IsNullOrEmpty(claim)))
+        if (claims.Any(string.IsNullOrEmpty))
         {
             throw new ArgumentException(SR.GetResourceString(SR.ID0073), nameof(claims));
         }
@@ -1697,7 +1697,7 @@ public class OpenIddictServerBuilder
             throw new ArgumentNullException(nameof(scopes));
         }
 
-        if (scopes.Any(scope => string.IsNullOrEmpty(scope)))
+        if (scopes.Any(string.IsNullOrEmpty))
         {
             throw new ArgumentException(SR.GetResourceString(SR.ID0074), nameof(scopes));
         }

src/OpenIddict.Validation.SystemNetHttp/OpenIddictValidationSystemNetHttpBuilder.cs

@@ -6,6 +6,7 @@
 
 using System.ComponentModel;
 using System.Net.Http.Headers;
+using System.Reflection;
 using OpenIddict.Validation.SystemNetHttp;
 using Polly;
 
@@ -48,12 +49,19 @@ public class OpenIddictValidationSystemNetHttpBuilder
     }
 
     /// <summary>
-    /// Replaces the default HTTP error policy used by the OpenIddict validation services.
+    /// Replaces the default HTTP error policy used by the OpenIddict client services.
     /// </summary>
     /// <param name="policy">The HTTP Polly error policy.</param>
     /// <returns>The <see cref="OpenIddictValidationSystemNetHttpBuilder"/>.</returns>
-    public OpenIddictValidationSystemNetHttpBuilder SetHttpErrorPolicy(IAsyncPolicy<HttpResponseMessage>? policy)
-        => Configure(options => options.HttpErrorPolicy = policy);
+    public OpenIddictValidationSystemNetHttpBuilder SetHttpErrorPolicy(IAsyncPolicy<HttpResponseMessage> policy)
+    {
+        if (policy is null)
+        {
+            throw new ArgumentNullException(nameof(policy));
+        }
+
+        return Configure(options => options.HttpErrorPolicy = policy);
+    }
 
     /// <summary>
     /// Sets the product information used in the user agent header that is attached
@@ -61,8 +69,15 @@ public class OpenIddictValidationSystemNetHttpBuilder
     /// </summary>
     /// <param name="information">The product information.</param>
     /// <returns>The <see cref="OpenIddictValidationSystemNetHttpBuilder"/>.</returns>
-    public OpenIddictValidationSystemNetHttpBuilder SetProductInformation(ProductInfoHeaderValue? information)
-        => Configure(options => options.ProductInformation = information);
+    public OpenIddictValidationSystemNetHttpBuilder SetProductInformation(ProductInfoHeaderValue information)
+    {
+        if (information is null)
+        {
+            throw new ArgumentNullException(nameof(information));
+        }
+
+        return Configure(options => options.ProductInformation = information);
+    }
 
     /// <summary>
     /// Sets the product information used in the user agent header that is attached
@@ -71,8 +86,34 @@ public class OpenIddictValidationSystemNetHttpBuilder
     /// <param name="name">The product name.</param>
     /// <param name="version">The product version.</param>
     /// <returns>The <see cref="OpenIddictValidationSystemNetHttpBuilder"/>.</returns>
-    public OpenIddictValidationSystemNetHttpBuilder SetProductInformation(string? name, string? version)
-        => SetProductInformation(!string.IsNullOrEmpty(name) ? new ProductInfoHeaderValue(name, version) : null);
+    public OpenIddictValidationSystemNetHttpBuilder SetProductInformation(string name, string? version)
+    {
+        if (string.IsNullOrEmpty(name))
+        {
+            throw new ArgumentException(SR.GetResourceString(SR.ID0345), nameof(name));
+        }
+
+        return SetProductInformation(new ProductInfoHeaderValue(name, version));
+    }
+
+    /// <summary>
+    /// Sets the product information used in the user agent header that is attached
+    /// to the backchannel HTTP requests sent to the authorization server based
+    /// on the identity of the specified .NET assembly (name and version).
+    /// </summary>
+    /// <param name="assembly">The assembly from which the product information is created.</param>
+    /// <returns>The <see cref="OpenIddictValidationSystemNetHttpBuilder"/>.</returns>
+    public OpenIddictValidationSystemNetHttpBuilder SetProductInformation(Assembly assembly)
+    {
+        if (assembly is null)
+        {
+            throw new ArgumentNullException(nameof(assembly));
+        }
+
+        return SetProductInformation(new ProductInfoHeaderValue(
+            productName: assembly.GetName().Name!,
+            productVersion: assembly.GetName().Version!.ToString()));
+    }
 
     /// <inheritdoc/>
     [EditorBrowsable(EditorBrowsableState.Never)]

src/OpenIddict.Validation/OpenIddictValidationBuilder.cs

@@ -358,7 +358,7 @@ public class OpenIddictValidationBuilder
             throw new ArgumentNullException(nameof(audiences));
         }
 
-        if (audiences.Any(audience => string.IsNullOrEmpty(audience)))
+        if (audiences.Any(string.IsNullOrEmpty))
         {
             throw new ArgumentException(SR.GetResourceString(SR.ID0123), nameof(audiences));
         }