ruby on rails - Are there any authentication plugins that work with DataMapper? -

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I need an authentication method that works with the datamaker I can see that the authlogic plug-in field is required 

  crypted_password, password_salt, persistence_token

in the user model. Is it just enough to use these fields in the user model definition, using the datamap?

It is necessary to be much more sophisticated than this, because APIs differ significantly between datamapper and activivord. However, it appears that at least one person is similar to the equal wavelength , which has links used by datamap .

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