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Contents
require 'kafka/sasl/plain'
require 'kafka/sasl/gssapi'
require 'kafka/sasl/scram'
module Kafka
class SaslAuthenticator
def initialize(logger:, sasl_gssapi_principal:, sasl_gssapi_keytab:,
sasl_plain_authzid:, sasl_plain_username:, sasl_plain_password:,
sasl_scram_username:, sasl_scram_password:, sasl_scram_mechanism:)
@logger = logger
@plain = Sasl::Plain.new(
authzid: sasl_plain_authzid,
username: sasl_plain_username,
password: sasl_plain_password,
logger: @logger,
)
@gssapi = Sasl::Gssapi.new(
principal: sasl_gssapi_principal,
keytab: sasl_gssapi_keytab,
logger: @logger,
)
@scram = Sasl::Scram.new(
username: sasl_scram_username,
password: sasl_scram_password,
mechanism: sasl_scram_mechanism,
logger: @logger,
)
end
def authenticate!(connection)
mechanism = [@gssapi, @plain, @scram].find(&:configured?)
return if mechanism.nil?
ident = mechanism.ident
response = connection.send_request(Kafka::Protocol::SaslHandshakeRequest.new(ident))
unless response.error_code == 0 && response.enabled_mechanisms.include?(ident)
raise Kafka::Error, "#{ident} is not supported."
end
mechanism.authenticate!(connection.to_s, connection.encoder, connection.decoder)
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems