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Posted to dev@tomcat.apache.org by ma...@apache.org on 2016/05/09 18:18:06 UTC
svn commit: r1743019 - in /tomcat/trunk:
java/org/apache/catalina/authenticator/AuthenticatorBase.java
java/org/apache/catalina/authenticator/jaspic/CallbackHandlerImpl.java
webapps/docs/changelog.xml
Author: markt
Date: Mon May 9 18:18:05 2016
New Revision: 1743019
URL: http://svn.apache.org/viewvc?rev=1743019&view=rev
Log:
Ensure that JASPIC's CallbackHandler is thread-safe.
Modified:
tomcat/trunk/java/org/apache/catalina/authenticator/AuthenticatorBase.java
tomcat/trunk/java/org/apache/catalina/authenticator/jaspic/CallbackHandlerImpl.java
tomcat/trunk/webapps/docs/changelog.xml
Modified: tomcat/trunk/java/org/apache/catalina/authenticator/AuthenticatorBase.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/authenticator/AuthenticatorBase.java?rev=1743019&r1=1743018&r2=1743019&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/authenticator/AuthenticatorBase.java (original)
+++ tomcat/trunk/java/org/apache/catalina/authenticator/AuthenticatorBase.java Mon May 9 18:18:05 2016
@@ -455,7 +455,7 @@ public abstract class AuthenticatorBase
messageInfo = new MessageInfoImpl(request.getRequest(), response.getResponse(), true);
try {
ServerAuthConfig serverAuthConfig = jaspicProvider.getServerAuthConfig(
- "HttpServlet", jaspicAppContextID, new CallbackHandlerImpl());
+ "HttpServlet", jaspicAppContextID, CallbackHandlerImpl.getInstance());
String authContextID = serverAuthConfig.getAuthContextID(messageInfo);
serverAuthContext = serverAuthConfig.getAuthContext(authContextID, null, null);
} catch (AuthException e) {
@@ -1058,7 +1058,7 @@ public abstract class AuthenticatorBase
ServerAuthContext serverAuthContext;
try {
ServerAuthConfig serverAuthConfig = provider.getServerAuthConfig("HttpServlet",
- jaspicAppContextID, new CallbackHandlerImpl());
+ jaspicAppContextID, CallbackHandlerImpl.getInstance());
String authContextID = serverAuthConfig.getAuthContextID(messageInfo);
serverAuthContext = serverAuthConfig.getAuthContext(authContextID, null, null);
serverAuthContext.cleanSubject(messageInfo, client);
Modified: tomcat/trunk/java/org/apache/catalina/authenticator/jaspic/CallbackHandlerImpl.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/authenticator/jaspic/CallbackHandlerImpl.java?rev=1743019&r1=1743018&r2=1743019&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/authenticator/jaspic/CallbackHandlerImpl.java (original)
+++ tomcat/trunk/java/org/apache/catalina/authenticator/jaspic/CallbackHandlerImpl.java Mon May 9 18:18:05 2016
@@ -34,19 +34,40 @@ import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.res.StringManager;
+/**
+ * Implemented as a singleton since the class is stateless.
+ */
public class CallbackHandlerImpl implements CallbackHandler {
private static final Log log = LogFactory.getLog(CallbackHandlerImpl.class);
private static final StringManager sm = StringManager.getManager(CallbackHandlerImpl.class);
- private String name;
- private Principal principal;
- private Subject subject;
- private String[] groups;
+ private static CallbackHandler instance;
+
+
+ static {
+ instance = new CallbackHandlerImpl();
+ }
+
+
+ public static CallbackHandler getInstance() {
+ return instance;
+ }
+
+
+ private CallbackHandlerImpl() {
+ // Hide default constructor
+ }
@Override
public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
+
+ String name = null;
+ Principal principal = null;
+ Subject subject = null;
+ String[] groups = null;
+
if (callbacks != null) {
// Need to combine data from multiple callbacks so use this to hold
// the data
@@ -67,7 +88,7 @@ public class CallbackHandlerImpl impleme
}
// Create the GenericPrincipal
- Principal gp = getPrincipal();
+ Principal gp = getPrincipal(principal, name, groups);
if (subject != null && gp != null) {
subject.getPrivateCredentials().add(gp);
}
@@ -75,12 +96,11 @@ public class CallbackHandlerImpl impleme
}
- private Principal getPrincipal() {
+ private Principal getPrincipal(Principal principal, String name, String[] groups) {
// If the Principal is cached in the session JASPIC may simply return it
if (principal instanceof GenericPrincipal) {
return principal;
}
- String name = this.name;
if (name == null && principal != null) {
name = principal.getName();
}
Modified: tomcat/trunk/webapps/docs/changelog.xml
URL: http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/changelog.xml?rev=1743019&r1=1743018&r2=1743019&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/trunk/webapps/docs/changelog.xml Mon May 9 18:18:05 2016
@@ -213,6 +213,10 @@
Do not trigger unnecessary session ID changes when using JASPIC and the
user is authenticated using cached credentials. (markt)
</fix>
+ <fix>
+ <bug>59437</bug>: Ensure that the JASPIC <code>CallbackHandler</code> is
+ thread-safe. (markt)
+ </fix>
</changelog>
</subsection>
<subsection name="Coyote">
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