Files
kafka-console-ui/src/main/java/com/xuxd/kafka/console/utils/SaslUtil.java
2022-01-06 19:31:44 +08:00

62 lines
1.9 KiB
Java

package com.xuxd.kafka.console.utils;
import com.xuxd.kafka.console.config.ContextConfigHolder;
import java.util.Properties;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.kafka.clients.CommonClientConfigs;
import org.apache.kafka.clients.admin.ScramMechanism;
import org.apache.kafka.common.config.SaslConfigs;
import org.apache.kafka.common.security.auth.SecurityProtocol;
/**
* kafka-console-ui.
*
* @author xuxd
* @date 2022-01-06 11:07:41
**/
public class SaslUtil {
public static final Pattern JAAS_PATTERN = Pattern.compile("^.*(username=\"(.*)\"[ \t]+).*$");
private SaslUtil() {
}
public static String findUsername(String saslJaasConfig) {
Matcher matcher = JAAS_PATTERN.matcher(saslJaasConfig);
return matcher.find() ? matcher.group(2) : "";
}
public static boolean isEnableSasl() {
Properties properties = ContextConfigHolder.CONTEXT_CONFIG.get().getProperties();
if (!properties.containsKey(CommonClientConfigs.SECURITY_PROTOCOL_CONFIG)) {
return false;
}
String s = properties.getProperty(CommonClientConfigs.SECURITY_PROTOCOL_CONFIG);
SecurityProtocol protocol = SecurityProtocol.valueOf(s);
switch (protocol) {
case SASL_SSL:
case SASL_PLAINTEXT:
return true;
default:
return false;
}
}
public static boolean isEnableScram() {
Properties properties = ContextConfigHolder.CONTEXT_CONFIG.get().getProperties();
if (!properties.containsKey(SaslConfigs.SASL_MECHANISM)) {
return false;
}
String s = properties.getProperty(SaslConfigs.SASL_MECHANISM);
ScramMechanism mechanism = ScramMechanism.fromMechanismName(s);
switch (mechanism) {
case UNKNOWN:
return false;
default:
return true;
}
}
}