io.vertx.rxjava.ext.web.handler

## Class CSRFHandler

- java.lang.Object
- - io.vertx.rxjava.ext.web.handler.CSRFHandler

- All Implemented Interfaces:
    Handler<RoutingContext>, InputTrustHandler

      public class CSRFHandler
      extends Object
      implements InputTrustHandler, Handler<RoutingContext>

  This handler adds a CSRF token to requests which mutate state. In order change the state a (XSRF-TOKEN) cookie is set with a unique token, that is expected to be sent back in a (X-XSRF-TOKEN) header. The behavior is to check the request body header and cookie for validity. This Handler requires session support, thus should be added somewhere below Session and Body handlers.

  NOTE: This class has been automatically generated from the `original` non RX-ified interface using Vert.x codegen.

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static io.vertx.lang.rx.TypeArg<CSRFHandler>` | `__TYPE_ARG`
    `static String` | `DEFAULT_COOKIE_NAME`
    `static String` | `DEFAULT_COOKIE_PATH`
    `static String` | `DEFAULT_HEADER_NAME`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `CSRFHandler(CSRFHandler delegate)`
    `CSRFHandler(Object delegate)`

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `static CSRFHandler` | `create(Vertx vertx, String secret)` Instantiate a new CSRFHandlerImpl with a secret
    `boolean` | `equals(Object o)`
    `CSRFHandler` | `getDelegate()`
    `void` | `handle(RoutingContext event)` Something has happened, so handle it.
    `int` | `hashCode()`
    `static CSRFHandler` | `newInstance(CSRFHandler arg)`
    `CSRFHandler` | `setCookieHttpOnly(boolean httpOnly)` Set the cookie `httpOnly` attribute.
    `CSRFHandler` | `setCookieName(String name)` Set the cookie name.
    `CSRFHandler` | `setCookiePath(String path)` Set the cookie path.
    `CSRFHandler` | `setCookieSecure(boolean secure)` Sets the cookie `secure` flag.
    `CSRFHandler` | `setHeaderName(String name)` Set the header name.
    `CSRFHandler` | `setNagHttps(boolean nag)` Should the handler give warning messages if this handler is used in other than https protocols?
    `CSRFHandler` | `setOrigin(String origin)` Set the origin for this server.
    `CSRFHandler` | `setTimeout(long timeout)` Set the timeout for tokens generated by the handler, by default it uses the default from the session handler.
    `String` | `toString()`

    - ### Methods inherited from class java.lang.Object

      `clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

    - ### Methods inherited from interface io.vertx.rxjava.ext.web.handler.InputTrustHandler

      `newInstance`

- - ### Field Detail

    - #### __TYPE_ARG

          public static final io.vertx.lang.rx.TypeArg<CSRFHandler> __TYPE_ARG

    - #### DEFAULT_COOKIE_NAME

          public static final String DEFAULT_COOKIE_NAME

      See Also:
        Constant Field Values

    - #### DEFAULT_COOKIE_PATH

          public static final String DEFAULT_COOKIE_PATH

      See Also:
        Constant Field Values

    - #### DEFAULT_HEADER_NAME

          public static final String DEFAULT_HEADER_NAME

      See Also:
        Constant Field Values

  - ### Constructor Detail

    - #### CSRFHandler

          public CSRFHandler(CSRFHandler delegate)

    - #### CSRFHandler

          public CSRFHandler(Object delegate)

  - ### Method Detail

    - #### toString

          public String toString()

      Overrides:
        `toString` in class `Object`

    - #### equals

          public boolean equals(Object o)

      Overrides:
        `equals` in class `Object`

    - #### hashCode

          public int hashCode()

      Overrides:
        `hashCode` in class `Object`

    - #### getDelegate

          public CSRFHandler getDelegate()

      Specified by:
        `getDelegate` in interface `InputTrustHandler`

    - #### handle

          public void handle(RoutingContext event)

      Something has happened, so handle it.
      Specified by:
        `handle` in interface `Handler<RoutingContext>`
      Specified by:
        `handle` in interface `InputTrustHandler`
      Parameters:
        `event` - the event to handle

    - #### create

          public static CSRFHandler create(Vertx vertx,
                                           String secret)

      Instantiate a new CSRFHandlerImpl with a secret

           CSRFHandler.create("s3cr37")

      Parameters:
        `vertx` -
        `secret` - server secret to sign the token.
      Returns:

    - #### setOrigin

          public CSRFHandler setOrigin(String origin)

      Set the origin for this server. When this value is set, extra validation will occur. The request must match the origin server, port and protocol.
      Parameters:
        `origin` - the origin for this server e.g.: `https://www.foo.com`.
      Returns:
        fluent

    - #### setCookieName

          public CSRFHandler setCookieName(String name)

      Set the cookie name. By default XSRF-TOKEN is used as it is the expected name by AngularJS however other frameworks might use other names.
      Parameters:
        `name` - a new name for the cookie.
      Returns:
        fluent

    - #### setCookiePath

          public CSRFHandler setCookiePath(String path)

      Set the cookie path. By default / is used.
      Parameters:
        `path` - a new path for the cookie.
      Returns:
        fluent

    - #### setCookieHttpOnly

          public CSRFHandler setCookieHttpOnly(boolean httpOnly)

      Set the cookie `httpOnly` attribute. When setting to `false` the CSRF handler will behave in Double Submit Cookie mode. When set to `true` then it will operate in Cookie-to-header mode. For more information https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html#double-submit-cookie
      Parameters:
        `httpOnly` - a new name for the header.
      Returns:
        fluent

    - #### setCookieSecure

          public CSRFHandler setCookieSecure(boolean secure)

      Sets the cookie `secure` flag. When set this flag instructs browsers to only send the cookie over HTTPS.
      Parameters:
        `secure` - true to set the secure flag on the cookie
      Returns:
        a reference to this, so the API can be used fluently

    - #### setHeaderName

          public CSRFHandler setHeaderName(String name)

      Set the header name. By default X-XSRF-TOKEN is used as it is the expected name by AngularJS however other frameworks might use other names.
      Parameters:
        `name` - a new name for the header.
      Returns:
        fluent

    - #### setNagHttps

          public CSRFHandler setNagHttps(boolean nag)

      Should the handler give warning messages if this handler is used in other than https protocols?
      Parameters:
        `nag` - true to nag
      Returns:
        fluent

    - #### setTimeout

          public CSRFHandler setTimeout(long timeout)

      Set the timeout for tokens generated by the handler, by default it uses the default from the session handler.
      Parameters:
        `timeout` - token timeout
      Returns:
        fluent

    - #### newInstance

          public static CSRFHandler newInstance(CSRFHandler arg)

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