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https://issues.apache.org/jira/browse/ACCUMULO-1041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13589654#comment-13589654
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John Vines commented on ACCUMULO-1041:
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Any reconsiderations? If not, I would like to get started on this.
> Generic interface for arbitrary token handling
> ----------------------------------------------
>
> Key: ACCUMULO-1041
> URL: https://issues.apache.org/jira/browse/ACCUMULO-1041
> Project: Accumulo
> Issue Type: Sub-task
> Components: client
> Reporter: John Vines
> Assignee: John Vines
> Fix For: 1.5.0
>
>
> [~ctubbsii], [~kturner] and I hashed out details for best approach for
> generic tokens which should work both for our API and the proxy.
> # Client requests the Authenticator class name
> # Client creates instance of Authenticator, calls login(Properties)
> # Properties are used to create the appropriate Token, which implements
> Writable, and return it to user.
> # Client uses principal + Token with getConnector call
> # Token is immediately serialized to be used within client api and packaged
> into a Credential object
> # Credential gets sent to server via thrift
> # Principal is checked, if !SYSTEM treated as a PasswordToken, otherwise
> deserialized as a class defined by the Authenticator (Writable's readFields
> method called on said class)
> # Token us then passed through the SecurityOperations impl as well as the
> authenticator api.
> This allows the authenticator API to use their requested tokens without
> confusion/code injection issues with deserialization happening for unknown
> token classes.
> The exact same process for token creation can also be used by the Proxy, with
> a Map of properties being passed it to create a token on the proxy.
> For backward support, the ZKAuthenticator will expect a PasswordToken, which
> is simply a byte array.
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