io.vertx.rxjava3.ext.auth.oauth2

## Class OAuth2Auth

- java.lang.Object
- - io.vertx.rxjava3.ext.auth.authentication.AuthenticationProvider
  - - io.vertx.rxjava3.ext.auth.oauth2.OAuth2Auth

-     public class OAuth2Auth
      extends AuthenticationProvider

  Factory interface for creating OAuth2 based `AuthenticationProvider` instances.

  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<OAuth2Auth>` | `__TYPE_ARG`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `OAuth2Auth(OAuth2Auth delegate)`
    `OAuth2Auth(Object delegate)`

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `String` | `authorizeURL(JsonObject params)` The client sends the end-user's browser to this endpoint to request their authentication and consent.
    `void` | `close()` Releases any resources or timers used by this instance.
    `static OAuth2Auth` | `create(Vertx vertx)` Create a OAuth2 auth provider.
    `static OAuth2Auth` | `create(Vertx vertx, OAuth2Options config)` Create a OAuth2 auth provider
    `String` | `endSessionURL(User user)` The logout (end-session) endpoint is specified in OpenID Connect Session Management 1.0.
    `String` | `endSessionURL(User user, JsonObject params)` The logout (end-session) endpoint is specified in OpenID Connect Session Management 1.0.
    `boolean` | `equals(Object o)`
    `OAuth2Auth` | `getDelegate()`
    `int` | `hashCode()`
    `Completable` | `jWKSet()` Retrieve the public server JSON Web Key (JWK) required to verify the authenticity of issued ID and access tokens.
    `OAuth2Auth` | `missingKeyHandler(Handler<String> handler)` Handled to be called when a key (mentioned on a JWT) is missing from the current config.
    `static OAuth2Auth` | `newInstance(OAuth2Auth arg)`
    `Single<User>` | `refresh(User user)` Refresh the current User (access token).
    `Completable` | `revoke(User user)` Revoke an obtained access token.
    `Completable` | `revoke(User user, String tokenType)` Revoke an obtained access or refresh token.
    `Completable` | `rxJWKSet()` Retrieve the public server JSON Web Key (JWK) required to verify the authenticity of issued ID and access tokens.
    `Single<User>` | `rxRefresh(User user)` Refresh the current User (access token).
    `Completable` | `rxRevoke(User user)` Revoke an obtained access token.
    `Completable` | `rxRevoke(User user, String tokenType)` Revoke an obtained access or refresh token.
    `Single<JsonObject>` | `rxUserInfo(User user)` Retrieve profile information and other attributes for a logged-in end-user.
    `String` | `toString()`
    `Single<JsonObject>` | `userInfo(User user)` Retrieve profile information and other attributes for a logged-in end-user.

    - ### Methods inherited from class io.vertx.rxjava3.ext.auth.authentication.AuthenticationProvider

      `authenticate, authenticate, newInstance, rxAuthenticate, rxAuthenticate`

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

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

- - ### Field Detail

    - #### __TYPE_ARG

          public static final io.vertx.lang.rx.TypeArg<OAuth2Auth> __TYPE_ARG

  - ### Constructor Detail

    - #### OAuth2Auth

          public OAuth2Auth(OAuth2Auth delegate)

    - #### OAuth2Auth

          public OAuth2Auth(Object delegate)

  - ### Method Detail

    - #### toString

          public String toString()

      Overrides:
        `toString` in class `AuthenticationProvider`

    - #### equals

          public boolean equals(Object o)

      Overrides:
        `equals` in class `AuthenticationProvider`

    - #### hashCode

          public int hashCode()

      Overrides:
        `hashCode` in class `AuthenticationProvider`

    - #### getDelegate

          public OAuth2Auth getDelegate()

      Overrides:
        `getDelegate` in class `AuthenticationProvider`

    - #### create

          public static OAuth2Auth create(Vertx vertx)

      Create a OAuth2 auth provider.
      Parameters:
        `vertx` - the Vertx instance
      Returns:
        the auth provider

    - #### create

          public static OAuth2Auth create(Vertx vertx,
                                          OAuth2Options config)

      Create a OAuth2 auth provider
      Parameters:
        `vertx` - the Vertx instance
        `config` - the config
      Returns:
        the auth provider

    - #### jWKSet

          public Completable jWKSet()

      Retrieve the public server JSON Web Key (JWK) required to verify the authenticity of issued ID and access tokens. The provider will refresh the keys according to: https://openid.net/specs/openid-connect-core-1_0.html#RotateEncKeys This means that the provider will look at the cache headers and will refresh when the max-age is reached. If the server does not return any cache headers it shall be up to the end user to call this method to refresh. To avoid the refresh to happen too late, this means that they keys will be invalid, if the `OAuth2Options` `JWTOptions` config contains a positive leeway, it will be used to request the refresh ahead of time. Key rotation can be controled by `OAuth2Options`.
      Returns:
        fluent self.

    - #### rxJWKSet

          public Completable rxJWKSet()

      Retrieve the public server JSON Web Key (JWK) required to verify the authenticity of issued ID and access tokens. The provider will refresh the keys according to: https://openid.net/specs/openid-connect-core-1_0.html#RotateEncKeys This means that the provider will look at the cache headers and will refresh when the max-age is reached. If the server does not return any cache headers it shall be up to the end user to call this method to refresh. To avoid the refresh to happen too late, this means that they keys will be invalid, if the `OAuth2Options` `JWTOptions` config contains a positive leeway, it will be used to request the refresh ahead of time. Key rotation can be controled by `OAuth2Options`.
      Returns:
        fluent self.

    - #### missingKeyHandler

          public OAuth2Auth missingKeyHandler(Handler<String> handler)

      Handled to be called when a key (mentioned on a JWT) is missing from the current config. Users are advised to call `jWKSet()` but being careful to implement some rate limiting function. This method isn't generic for several reasons. The provider is not aware of the capabilities of the backend IdP in terms of max allowed API calls. Some validation could be done at the key id, which only the end user is aware of. A base implementation for this handler is:

          // are we already updating the jwks?
             private final AtomicBoolean updating = new AtomicBoolean(false);

             // default missing key handler, will try to reload with debounce
             oauth2.missingKeyHandler(keyId -> {
               if (updating.compareAndSet(false, true)) {
                 // Refreshing JWKs due missing key
                 jWKSet(done -> {
                   updating.compareAndSet(true, false);
                   if (done.failed()) {
                     done.cause().printStackTrace();
                 });
               }
             });
           }

      This handler will purely debounce calls and allow only a single request to `jWKSet()` at a time. No special handling is done to avoid requests on wrong key ids or prevent to many requests to the IdP server. Users should probably also account for the number of errors to present DDoS the IdP.
      Parameters:
        `handler` -
      Returns:
        Future result.

    - #### authorizeURL

          public String authorizeURL(JsonObject params)

      The client sends the end-user's browser to this endpoint to request their authentication and consent. This endpoint is used in the code and implicit OAuth 2.0 flows which require end-user interaction.
      Parameters:
        `params` - extra params to be included in the final URL.
      Returns:
        the url to be used to authorize the user.

    - #### refresh

          public Single<User> refresh(User user)

      Refresh the current User (access token).
      Parameters:
        `user` - the user (access token) to be refreshed.
      Returns:
        fluent self.

    - #### rxRefresh

          public Single<User> rxRefresh(User user)

      Refresh the current User (access token).
      Parameters:
        `user` - the user (access token) to be refreshed.
      Returns:
        fluent self.

    - #### revoke

          public Completable revoke(User user,
                                    String tokenType)

      Revoke an obtained access or refresh token. More info https://tools.ietf.org/html/rfc7009.
      Parameters:
        `user` - the user (access token) to revoke.
        `tokenType` - the token type (either access_token or refresh_token).
      Returns:
        fluent self.

    - #### rxRevoke

          public Completable rxRevoke(User user,
                                      String tokenType)

      Revoke an obtained access or refresh token. More info https://tools.ietf.org/html/rfc7009.
      Parameters:
        `user` - the user (access token) to revoke.
        `tokenType` - the token type (either access_token or refresh_token).
      Returns:
        fluent self.

    - #### revoke

          public Completable revoke(User user)

      Revoke an obtained access token. More info https://tools.ietf.org/html/rfc7009.
      Parameters:
        `user` - the user (access token) to revoke.
      Returns:
        fluent self.

    - #### rxRevoke

          public Completable rxRevoke(User user)

      Revoke an obtained access token. More info https://tools.ietf.org/html/rfc7009.
      Parameters:
        `user` - the user (access token) to revoke.
      Returns:
        fluent self.

    - #### userInfo

          public Single<JsonObject> userInfo(User user)

      Retrieve profile information and other attributes for a logged-in end-user. More info https://openid.net/specs/openid-connect-core-1_0.html#UserInfo
      Parameters:
        `user` - the user (access token) to fetch the user info.
      Returns:
        fluent self.

    - #### rxUserInfo

          public Single<JsonObject> rxUserInfo(User user)

      Retrieve profile information and other attributes for a logged-in end-user. More info https://openid.net/specs/openid-connect-core-1_0.html#UserInfo
      Parameters:
        `user` - the user (access token) to fetch the user info.
      Returns:
        fluent self.

    - #### endSessionURL

          public String endSessionURL(User user,
                                      JsonObject params)

      The logout (end-session) endpoint is specified in OpenID Connect Session Management 1.0. More info: https://openid.net/specs/openid-connect-session-1_0.html.
      Parameters:
        `user` - the user to generate the url for
        `params` - extra parameters to apply to the url
      Returns:
        the url to end the session.

    - #### endSessionURL

          public String endSessionURL(User user)

      The logout (end-session) endpoint is specified in OpenID Connect Session Management 1.0. More info: https://openid.net/specs/openid-connect-session-1_0.html.
      Parameters:
        `user` - the user to generate the url for
      Returns:
        the url to end the session.

    - #### close

          public void close()

      Releases any resources or timers used by this instance. Users are expected to call this method when the provider isn't needed any more to return the used resources back to the platform.

    - #### newInstance

          public static OAuth2Auth newInstance(OAuth2Auth arg)

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