org.apache.storm.security.auth

## Interface IAuthorizer

- All Known Implementing Classes:
    DenyAuthorizer, DRPCAuthorizerBase, DRPCSimpleACLAuthorizer, ImpersonationAuthorizer, NoopAuthorizer, SimpleACLAuthorizer, SimpleWhitelistAuthorizer, SupervisorSimpleACLAuthorizer

      public interface IAuthorizer

  Nimbus could be configured with an authorization plugin. If not specified, all requests are authorized.

  You could specify the authorization plugin via storm parameter. For example:

  `storm -c nimbus.authorization.class=org.apache.storm.security.auth.NoopAuthorizer ...`

  You could also specify it via storm.yaml:

  `yaml nimbus.authorization.class: org.apache.storm.security.auth.NoopAuthorizer`

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | `permit(ReqContext context, String operation, Map<String,Object> topoConf)` permit() method is invoked for each incoming Thrift request.
    `void` | `prepare(Map<String,Object> conf)` Invoked once immediately after construction.

- - ### Method Detail

    - #### prepare

          void prepare(Map<String,Object> conf)

      Invoked once immediately after construction.

      Parameters:
        `conf` - Storm cluster configuration

    - #### permit

          boolean permit(ReqContext context,
                         String operation,
                         Map<String,Object> topoConf)

      permit() method is invoked for each incoming Thrift request.

      Parameters:
        `context` - request context includes info about
        `operation` - operation name
        `topoConf` - configuration of targeted topology
      Returns:
        true if the request is authorized, false if reject

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