IApplicationBuilder

Definition

Assembly: Microsoft.AspNetCore.Http.Abstractions.dll Namespace: Microsoft.AspNetCore.Builder

Syntax

Microsoft.AspNetCore.Builder.IApplicationBuilder

Summary

This type is defined in Microsoft.AspNetCore.Http.Abstractions.

Remarks

See Microsoft documentation for more information about the rest of the API.

Methods

UseCrossOriginIsolation Extension

Extension method from Microsoft.AspNetCore.Builder.ApplicationBuilderExtensions

Adds Cross-Origin Isolation middleware to the application pipeline. This enables SharedArrayBuffer and high-resolution timers required by WASM libraries.

Syntax

public static Microsoft.AspNetCore.Builder.IApplicationBuilder UseCrossOriginIsolation(Microsoft.AspNetCore.Builder.IApplicationBuilder app)

Parameters

Name	Type	Description
`app`	`Microsoft.AspNetCore.Builder.IApplicationBuilder`	The application builder.

Returns

Type: Microsoft.AspNetCore.Builder.IApplicationBuilder The application builder for chaining.

Examples

// In Program.cs
var app = builder.Build();
app.UseCrossOriginIsolation();

Remarks

This middleware adds the following headers to responses:

Cross-Origin-Opener-Policy: same-origin
Cross-Origin-Embedder-Policy: require-corp
Cross-Origin-Resource-Policy: same-origin <strong>Warning:</strong> This may break third-party scripts and iframes. Use CrossOriginIsolationOptions}) to configure exclusions.

UseCrossOriginIsolation Extension

Extension method from Microsoft.AspNetCore.Builder.ApplicationBuilderExtensions

Adds Cross-Origin Isolation middleware to the application pipeline with custom options.

Syntax

public static Microsoft.AspNetCore.Builder.IApplicationBuilder UseCrossOriginIsolation(Microsoft.AspNetCore.Builder.IApplicationBuilder app, System.Action<CloudNimble.BlazorEssentials.Server.Middleware.CrossOriginIsolationOptions> configureOptions)

Parameters

Name	Type	Description
`app`	`Microsoft.AspNetCore.Builder.IApplicationBuilder`	The application builder.
`configureOptions`	`System.Action<CloudNimble.BlazorEssentials.Server.Middleware.CrossOriginIsolationOptions>`	Action to configure the middleware options.

Returns

Type: Microsoft.AspNetCore.Builder.IApplicationBuilder The application builder for chaining.

Examples

// In Program.cs
var app = builder.Build();
app.UseCrossOriginIsolation(options =&gt;
{
    // Use credentialless instead of require-corp for less strict isolation
    options.CoepPolicy = "credentialless";

    // Exclude API paths from cross-origin isolation
    options.ExcludePaths.Add("/api/");

    // Exclude external resource paths
    options.ExcludePaths.Add("/external/");
});

UseCrossOriginIsolation Extension

Extension method from Microsoft.AspNetCore.Builder.ApplicationBuilderExtensions

Adds Cross-Origin Isolation middleware to the application pipeline with the specified options.

Syntax

public static Microsoft.AspNetCore.Builder.IApplicationBuilder UseCrossOriginIsolation(Microsoft.AspNetCore.Builder.IApplicationBuilder app, CloudNimble.BlazorEssentials.Server.Middleware.CrossOriginIsolationOptions options)

Parameters

Name	Type	Description
`app`	`Microsoft.AspNetCore.Builder.IApplicationBuilder`	The application builder.
`options`	`CloudNimble.BlazorEssentials.Server.Middleware.CrossOriginIsolationOptions`	The middleware options.

Returns

Type: Microsoft.AspNetCore.Builder.IApplicationBuilder The application builder for chaining.

Getting Started

Guides

API Reference

IApplicationBuilder

Definition

Syntax

Summary

Remarks

Methods

UseCrossOriginIsolation Extension

Syntax

Parameters

Returns

Examples

Remarks

UseCrossOriginIsolation Extension

Syntax

Parameters

Returns

Examples

UseCrossOriginIsolation Extension

Syntax

Parameters

Returns

​Definition

​Syntax

​Summary

​Remarks

​Methods

​ UseCrossOriginIsolation Extension

​Syntax

​Parameters

​Returns

​Examples

​Remarks

​ UseCrossOriginIsolation Extension

​Syntax

​Parameters

​Returns

​Examples

​ UseCrossOriginIsolation Extension

​Syntax

​Parameters

​Returns

Definition

Syntax

Summary

Remarks

Methods

UseCrossOriginIsolation Extension

Syntax

Parameters

Returns

Examples

Remarks

UseCrossOriginIsolation Extension

Syntax

Parameters

Returns

Examples

UseCrossOriginIsolation Extension

Syntax

Parameters

Returns