Kafka SASL：同时使用 OAUTHBEARER 和 PLAIN

问题描述 投票：0回答：2

我想做的是-

For Clients to Broker communication - use OAUTHBEARER authentication
For Broker to Broker communication - use PLAIN authentication

我有以下 JAAS 配置：

{
  KafkaServer {
    org.apache.kafka.common.security.plain.PlainLoginModule required
    username="inter"
    password="inter-secret"
    user_inter="inter-secret"
    user_admin="YvNzcbmqhA0DfxjP";

    org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule required;
  };

  Client {
    org.apache.zookeeper.server.auth.DigestLoginModule required
    username="zookeeper"
    password="zookeeper-secret";
  };
}

我在 server.properties 中有以下配置：

sasl.enabled.mechanisms=PLAIN,OAUTHBEARER
sasl.mechanism.inter.broker.protocol=PLAIN
sasl.server.callback.handler.class=br.com.jairsjunior.security.oauthbearer.OauthAuthenticateValidatorCallbackHandler

但是如果启动 kafka 服务，我会看到如下错误：

used by: java.lang.IllegalArgumentException: Must supply exactly 1 non-null JAAS mechanism configuration (size was 2)
at org.apache.kafka.common.security.oauthbearer.internals.unsecured.OAuthBearerUnsecuredValidatorCallbackHandler.configure(OAuthBearerUnsecuredValidatorCallbackHandler.java:114)
at org.apache.kafka.common.network.SaslChannelBuilder.configure(SaslChannelBuilder.java:122)
... 17 more

这表明kafka不允许指定多个JAAS机制配置。

那么我如何指定多个 JAAS 配置，并设置如下所示的身份验证机制：

CLient to Broker ----> OAUTHBEARER
Broker to Broker ----> PLAIN

谢谢！

authentication oauth-2.0 apache-kafka jaas
2个回答
3
投票

我目前也在解决同时使用 plain 和 oauthbearer 的问题，我还没有解决，但我通过以下方式解决了您的具体问题。 这是我的 Jaas 配置：

internal.KafkaServer {
    org.apache.kafka.common.security.plain.PlainLoginModule required
    username="admin"
    password="admin-secret"
    user_admin="admin-secret"
    user_test="test";
};

external.KafkaServer {
    org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule required
};

Client {
   org.apache.zookeeper.server.auth.DigestLoginModule required
   username="username"
   password="pw";
};

然后我按以下方式在 server.properties 中设置设置：

  inter.broker.listener.name: INTERNAL 
  sasl.mechanism.inter.broker.protocol: PLAIN
  listener.security.protocol.map: INTERNAL:SASL_PLAINTEXT,EXTERNAL:SASL_SSL
  listeners: "INTERNAL://0.0.0.0:9092,EXTERNAL://0.0.0.0:19092"
  sasl.enabled.mechanisms: PLAIN,OAUTHBEARER

  listener.name.external.oauthbearer.sasl.server.callback.handler.class: my.module.kafka.security.oauthbearer.OauthAuthenticateValidatorCallbackHandler
  listener.name.external.oauthbearer.sasl.login.callback.handler.class: my.module.kafka.security.oauthbearer.OauthAuthenticateLoginCallbackHandler

当你这样做时，你就不会得到你的错误。遗憾的是，当代理想要设置外部连接时，我收到另一个错误：

javax.security.auth.callback.UnsupportedCallbackException: Unrecognized SASL Login callback
    at org.apache.kafka.common.security.authenticator.AbstractLogin$DefaultLoginCallbackHandler.handle(AbstractLogin.java:105)
    at org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule.identifyToken(OAuthBearerLoginModule.java:316)
    at org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule.login(OAuthBearerLoginModule.java:301)
    ... 32 more

kafka 代理似乎忽略了 oauthbearer 回调处理程序。这有点奇怪，因为当我将其配置为唯一的侦听器时，外部工作正常。

希望它能帮助您解决问题！

0
投票

您可以像这样配置两种机制（如果您的oauth使用AAD），它在我的代理中运行良好：

经纪商配置：

listeners=SASL://0.0.0.0:9770,SASL_CONTROLLER://0.0.0.0:9773,SASL_INTERNAL://0.0.0.0:9774
advertised.listeners=SASL://localhost:9770,SASL_CONTROLLER://localhost:9773,SASL_INTERNAL://localhost:9774
listener.security.protocol.map=SASL:SASL_PLAINTEXT,SASL_CONTROLLER:SASL_PLAINTEXT,SASL_INTERNAL:SASL_PLAINTEXT

sasl.mechanism.inter.broker.protocol=PLAIN
sasl.enabled.mechanisms=OAUTHBEARER,PLAIN
control.plane.listener.name = SASL_CONTROLLER
inter.broker.listener.name = SASL_INTERNAL

listener.name.sasl.plain.sasl.jaas.config=org.apache.kafka.common.security.plain.PlainLoginModule required username="AdminName" password="AdminPassword" user_UserName="UserPassword";
listener.name.sasl.plain.sasl.server.callback.handler.class=com.XXXAuthenticateCallbackHandler
listener.name.sasl_controller.plain.sasl.jaas.config=org.apache.kafka.common.security.plain.PlainLoginModule required username="AdminName" password="AdminPassword" user_UserName="UserPassword";
listener.name.sasl_controller.plain.sasl.server.callback.handler.class=com.XXXAuthenticateCallbackHandler
listener.name.sasl_internal.plain.sasl.jaas.config=org.apache.kafka.common.security.plain.PlainLoginModule required username="AdminName" password="AdminPassword" user_UserName="UserPassword";
listener.name.sasl_internal.plain.sasl.server.callback.handler.class=com.XXXAuthenticateCallbackHandler

listener.name.sasl.oauthbearer.sasl.jaas.config=org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule required clientId='BrokerApplicationId' clientSecret='BrokerApplicationSecret' scope='BrokerApplicationId/.default';
listener.name.sasl.oauthbearer.sasl.login.callback.handler.class=org.apache.kafka.common.security.oauthbearer.secured.OAuthBearerLoginCallbackHandler
listener.name.sasl.oauthbearer.sasl.server.callback.handler.class=org.apache.kafka.common.security.oauthbearer.secured.OAuthBearerValidatorCallbackHandler
listener.name.sasl_controller.oauthbearer.sasl.jaas.config=org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule required clientId='BrokerApplicationId' clientSecret='BrokerApplicationSecret' scope='BrokerApplicationId/.default';
listener.name.sasl_controller.oauthbearer.sasl.login.callback.handler.class=org.apache.kafka.common.security.oauthbearer.secured.OAuthBearerLoginCallbackHandler
listener.name.sasl_controller.oauthbearer.sasl.server.callback.handler.class=org.apache.kafka.common.security.oauthbearer.secured.OAuthBearerValidatorCallbackHandler
listener.name.sasl_internal.oauthbearer.sasl.jaas.config=org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule required clientId='BrokerApplicationId' clientSecret='BrokerApplicationSecret' scope='BrokerApplicationId/.default';
listener.name.sasl_internal.oauthbearer.sasl.login.callback.handler.class=org.apache.kafka.common.security.oauthbearer.secured.OAuthBearerLoginCallbackHandler
listener.name.sasl_internal.oauthbearer.sasl.server.callback.handler.class=org.apache.kafka.common.security.oauthbearer.secured.OAuthBearerValidatorCallbackHandler

sasl.oauthbearer.jwks.endpoint.url=https://login.microsoftonline.com/BrokerTenantId/discovery/v2.0/keys
sasl.oauthbearer.token.endpoint.url=https://login.microsoftonline.com/BrokerTenantId/oauth2/v2.0/token
authorizer.class.name=kafka.security.authorizer.AclAuthorizer
allow.everyone.if.no.acl.found=true
super.users=User:AdminName

客户端配置：

普通：

bootstrap.servers=xxxx:9770
compression.type=none
security.protocol=SASL_PLAINTEXT
sasl.mechanism=PLAIN
sasl.jaas.config=org.apache.kafka.common.security.plain.PlainLoginModule required username="UserName" password="UserPassword";

授权：

bootstrap.servers=xxxx:9770
compression.type=none
sasl.oauthbearer.token.endpoint.url=https://login.microsoftonline.com/ClientTenantId/oauth2/v2.0/token
sasl.login.callback.handler.class=org.apache.kafka.common.security.oauthbearer.secured.OAuthBearerLoginCallbackHandler
sasl.mechanism=OAUTHBEARER
security.protocol=SASL_PLAINTEXT
sasl.jaas.config= \
  org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule required \
    clientId='ClientApplicationId' \
    scope='BrokerApplicationId/.default' \
    clientSecret='ClientApplicationSecret';
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