com.sun.mail.auth.OAuth2SaslClientFactory Maven / Gradle / Ivy
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package com.sun.mail.auth;
import java.util.*;
import java.security.Provider;
import java.security.Security;
import javax.security.sasl.*;
import javax.security.auth.callback.*;
/**
* JavaMail SASL client factory for OAUTH2.
*
* @author Bill Shannon
*/
public class OAuth2SaslClientFactory implements SaslClientFactory {
private static final String PROVIDER_NAME = "JavaMail-OAuth2";
private static final String MECHANISM_NAME = "SaslClientFactory.XOAUTH2";
static class OAuth2Provider extends Provider {
private static final long serialVersionUID = -5371795551562287059L;
public OAuth2Provider() {
super(PROVIDER_NAME, 1.0, "XOAUTH2 SASL Mechanism");
put(MECHANISM_NAME, OAuth2SaslClientFactory.class.getName());
}
}
//@Override
public SaslClient createSaslClient(String[] mechanisms,
String authorizationId, String protocol,
String serverName, Map props,
CallbackHandler cbh) throws SaslException {
for (String m : mechanisms) {
if (m.equals("XOAUTH2"))
return new OAuth2SaslClient(props, cbh);
}
return null;
}
//@Override
public String[] getMechanismNames(Map props) {
return new String[] { "XOAUTH2" };
}
/**
* Initialize this OAUTH2 provider, but only if there isn't one already.
* If we're not allowed to add this provider, just give up silently.
*/
public static void init() {
try {
if (Security.getProvider(PROVIDER_NAME) == null)
Security.addProvider(new OAuth2Provider());
} catch (SecurityException ex) {
// oh well...
}
}
}