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// Portions Copyright [2018] [Payara Foundation and/or its affiliates]
package com.sun.enterprise.security.auth;

import java.security.Principal;
import java.security.cert.X509Certificate;
import java.util.Properties;

/**
 *
 * Enables developers to provide custom implementation to enable sip containers to determine if a network entity can be
 * trusted.
 */
public interface TrustHandler {

    void initialize(Properties props);

    /**
     * determines if the container can trust the network entity from which we received the message with P-Asserted-Identity
     * header. This method also validates if the identity that was used to secure(eg: SSL) the message is trusted.
     *
     * @param pAssertedValues P-Asserted-Identity header values
     * @param messageDirection "Incoming" if this method is invoked for a incoming request, "Outgoing" if the message is
     * being sent out.
     * @param asserterAddress ipaddress/hostname of the network entity from which we received the SIP message with
     * P-Asserted-Identity header. Inorder to accept/use the values in P-Asserted-Identity header the network entity should
     * be a trusted.
     * @param securityid is the asserting security identity, if a secure connection is used then this would be the
     * java.security.cert.X509Certificate, else null.
     * @return true if we trust the networtid and the securityid.
     */
    boolean isTrusted(String asserterAddress, String messageDirection, X509Certificate securityid, Principal[] pAssertedValues);

}