def get(req)
return nil unless SSPIEnabled
target_uri = req.header.request_uri
domain_uri, param = @challenge.find { |uri, v|
Util.uri_part_of(target_uri, uri)
}
return nil unless param
state = param[:state]
authenticator = param[:authenticator]
authphrase = param[:authphrase]
case state
when :init
authenticator = param[:authenticator] = Win32::SSPI::NegotiateAuth.new
return authenticator.get_initial_token(@scheme)
when :response
@challenge.delete(domain_uri)
return authenticator.complete_authentication(authphrase)
end
nil
end