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package org.infinispan.server.security;

import java.util.EnumSet;
import java.util.function.Supplier;

import org.infinispan.server.configuration.security.ServerIdentitiesConfiguration;
import org.wildfly.security.auth.server.MechanismConfiguration;
import org.wildfly.security.auth.server.SecurityDomain;
import org.wildfly.security.credential.source.CredentialSource;

/**
 * @author Tristan Tarrant <[email protected]>
 * @since 10.0
 **/
public class ServerSecurityRealm {
   private final String name;
   private final SecurityDomain securityDomain;
   private final Supplier httpChallengeReadiness;
   private final ServerIdentitiesConfiguration serverIdentities;
   private final EnumSet features;

   public ServerSecurityRealm(String name, SecurityDomain securityDomain, Supplier httpChallengeReadiness, ServerIdentitiesConfiguration serverIdentities, EnumSet features) {
      this.name = name;
      this.securityDomain = securityDomain;
      this.httpChallengeReadiness = httpChallengeReadiness;
      this.serverIdentities = serverIdentities;
      this.features = features;
   }

   public String getName() {
      return name;
   }

   public boolean isReadyForHttpChallenge() {
      return httpChallengeReadiness.get();
   }

   public SecurityDomain getSecurityDomain() {
      return securityDomain;
   }

   public void applyServerCredentials(MechanismConfiguration.Builder mechConfigurationBuilder, String serverPrincipal) {
      if (serverPrincipal != null) {
         CredentialSource credentialSource = serverIdentities.getCredentialSource(serverPrincipal);
         mechConfigurationBuilder.setServerCredentialSource(credentialSource);
      }
   }

   public ServerIdentitiesConfiguration getServerIdentities() {
      return serverIdentities;
   }

   public boolean hasFeature(Feature feature) {
      return features.contains(feature);
   }

   public boolean isAnonymous() {
      return features.isEmpty();
   }

   @Override
   public String toString() {
      return "ServerSecurityRealm{" +
            "name='" + name + '\'' +
            ", features=" + features +
            '}';
   }

   public enum Feature {
      PASSWORD_PLAIN, PASSWORD_HASHED, TOKEN, TRUST, ENCRYPT
   }
}