# Package io.vertx.ext.web.handler

- Interface Summary
  Interface | Description
  --- | ---
  AuthenticationHandler | Base interface for auth handlers.
  AuthHandler | Deprecated New users should use `AuthenticationHandler`
  AuthorizationHandler | Base interface for authorization handlers that provide authorization support.
  BasicAuthHandler | An auth handler that provides HTTP Basic Authentication support.
  BodyHandler | A handler which gathers the entire request body and sets it on the `RoutingContext`.
  ChainAuthHandler | An auth handler that chains to a sequence of handlers.
  CorsHandler | A handler which implements server side http://www.w3.org/TR/cors/[CORS] support for Vert.x-Web.
  CSPHandler | Content Security Policy (CSP) is an added layer of security that helps to detect and mitigate certain types of attacks, including Cross Site Scripting (XSS) and data injection attacks.
  CSRFHandler | This handler adds a CSRF token to requests which mutate state.
  DigestAuthHandler | An auth handler that provides HTTP Basic Authentication support.
  ErrorHandler | A pretty error handler for rendering error pages.
  FaviconHandler | A handler that serves favicons.
  FormLoginHandler | Handler that handles login from a form on a custom login page.
  HSTSHandler | HTTP Strict Transport Security (HSTS) RFC6797.
  JWTAuthHandler | An auth handler that provides JWT Authentication support.
  LoggerHandler | A handler which logs request information to the Vert.x logger.
  MethodOverrideHandler |
  MultiTenantHandler | A handler which selectively executes another handler if a precondition is met.
  OAuth2AuthHandler | An auth handler that provides OAuth2 Authentication support.
  RedirectAuthHandler | An auth handler that's used to handle auth by redirecting user to a custom login page.
  ResponseContentTypeHandler | A handler which sets the response content type automatically according to the best `Accept` header match.
  ResponseTimeHandler | Handler which adds a header `x-response-time` in the response of matching requests containing the time taken in ms to process the request.
  SessionHandler | A handler that maintains a `Session` for each browser session.
  StaticHandler | A handler for serving static resources from the file system or classpath.
  TemplateHandler | A handler which renders responses using a template engine and where the template name is selected from the URI path.
  TimeoutHandler | Handler that will timeout requests if the response has not been written after a certain time.
  WebAuthnHandler | An auth handler that provides FIDO2 WebAuthN Relay Party support.
  XFrameHandler | The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a `<frame>`, `<iframe>`, `<embed>` or `<object>`.

- Enum Summary
  Enum | Description
  --- | ---
  LoggerFormat | The possible out of the box formats.

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