tomcat-cluster-redis-sessio.../src/main/java/tomcat/request/session/redis/SingleSignOnValve.java

267 lines
10 KiB
Java

package tomcat.request.session.redis;
import org.apache.catalina.Container;
import org.apache.catalina.Context;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.LifecycleState;
import org.apache.catalina.Realm;
import org.apache.catalina.Session;
import org.apache.catalina.authenticator.Constants;
import org.apache.catalina.authenticator.SingleSignOn;
import org.apache.catalina.authenticator.SingleSignOnSessionKey;
import org.apache.catalina.connector.Request;
import org.apache.catalina.connector.Response;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import tomcat.request.session.exception.BackendException;
import tomcat.request.session.model.SingleSignOnEntry;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import java.io.IOException;
import java.security.Principal;
import java.util.Set;
/** author: Ranjith Manickam @ 20 Mar' 2020 */
public class SingleSignOnValve extends SingleSignOn {
private static final Logger LOGGER = LoggerFactory.getLogger(SingleSignOnValve.class);
private Context context;
private SessionManager manager;
/** {@inheritDoc} */
@Override
protected synchronized void startInternal() throws LifecycleException {
super.setState(LifecycleState.STARTING);
super.startInternal();
}
/** {@inheritDoc} */
@Override
protected synchronized void stopInternal() throws LifecycleException {
super.setState(LifecycleState.STOPPING);
super.stopInternal();
this.context = null;
}
/** {@inheritDoc} */
@Override
public void invoke(Request request, Response response) throws BackendException {
try {
request.removeNote("org.apache.catalina.request.SSOID");
LOGGER.debug("singleSignOn.debug.invoke, requestURI: {}", request.getRequestURI());
if (request.getUserPrincipal() == null) {
LOGGER.debug("singleSignOn.debug.cookieCheck");
Cookie cookie = null;
Cookie[] cookies = request.getCookies();
if (cookies != null) {
for (Cookie value : cookies) {
if (Constants.SINGLE_SIGN_ON_COOKIE.equals(value.getName())) {
cookie = value;
break;
}
}
}
if (cookie == null) {
LOGGER.debug("singleSignOn.debug.cookieNotFound");
} else {
LOGGER.debug("singleSignOn.debug.principalCheck, ssoId: {}", cookie.getValue());
SingleSignOnEntry entry = this.manager.getSingleSignOnEntry(cookie.getValue());
if (entry == null) {
LOGGER.debug("singleSignOn.debug.principalNotFound, ssoId: {}", cookie.getValue());
cookie.setValue("REMOVE");
cookie.setMaxAge(0);
cookie.setPath("/");
String domain = this.getCookieDomain();
if (domain != null) {
cookie.setDomain(domain);
}
cookie.setSecure(request.isSecure());
if (request.getServletContext().getSessionCookieConfig().isHttpOnly() || request.getContext().getUseHttpOnly()) {
cookie.setHttpOnly(true);
}
response.addCookie(cookie);
} else {
LOGGER.debug("singleSignOn.debug.principalFound, principal: {}, authType: {}", (entry.getPrincipal() != null ? entry.getPrincipal().getName() : ""), entry.getAuthType());
request.setNote("org.apache.catalina.request.SSOID", cookie.getValue());
if (!this.getRequireReauthentication()) {
request.setAuthType(entry.getAuthType());
request.setUserPrincipal(entry.getPrincipal());
}
}
}
} else {
LOGGER.debug("singleSignOn.debug.hasPrincipal, principal: {}", request.getUserPrincipal().getName());
}
this.getNext().invoke(request, response);
} catch (IOException | ServletException | RuntimeException ex) {
LOGGER.error("Error processing request", ex);
throw new BackendException();
} finally {
this.manager.afterRequest();
}
}
/** {@inheritDoc} */
@Override
public void sessionDestroyed(String ssoId, Session session) {
if (this.getState().isAvailable()) {
if ((session.getMaxInactiveInterval() <= 0 ||
session.getIdleTimeInternal() < (long) (session.getMaxInactiveInterval() * 1000))
&& session.getManager().getContext().getState().isAvailable()) {
LOGGER.debug("singleSignOn.debug.sessionLogout, session: {}", session);
this.removeSession(ssoId, session);
if (this.manager.singleSignOnEntryExists(ssoId)) {
this.deregister(ssoId);
}
return;
}
LOGGER.debug("singleSignOn.debug.sessionTimeout, ssoId: {}, session: {}", ssoId, session);
this.removeSession(ssoId, session);
}
}
/** {@inheritDoc} */
@Override
protected boolean associate(String ssoId, Session session) {
SingleSignOnEntry entry = this.manager.getSingleSignOnEntry(ssoId);
if (entry == null) {
LOGGER.debug("singleSignOn.debug.associateFail, ssoId: {}, session: {}", ssoId, session);
return false;
}
LOGGER.debug("singleSignOn.debug.associate, ssoId: {}, session: {}", ssoId, session);
entry.addSession(ssoId, session);
this.manager.setSingleSignOnEntry(ssoId, entry);
return true;
}
/** {@inheritDoc} */
@Override
protected void deregister(String ssoId) {
SingleSignOnEntry entry = this.manager.getSingleSignOnEntry(ssoId);
this.manager.deleteSingleSignOnEntry(ssoId);
if (entry == null) {
LOGGER.debug("singleSignOn.debug.deregisterFail, ssoId: {}", ssoId);
return;
}
Set<SingleSignOnSessionKey> ssoKeys = entry.findSessions();
if (ssoKeys.isEmpty()) {
LOGGER.debug("singleSignOn.debug.deregisterNone, ssoId: {}", ssoId);
}
for (SingleSignOnSessionKey ssoKey : ssoKeys) {
this.expire(ssoKey);
LOGGER.debug("singleSignOn.debug.deregister, ssoKey: {}, ssoId: {}", ssoKey, ssoId);
}
}
/** {@inheritDoc} */
@Override
protected boolean reauthenticate(String ssoId, Realm realm, Request request) {
if (ssoId == null || realm == null) {
return false;
}
boolean reAuthenticated = false;
SingleSignOnEntry entry = this.manager.getSingleSignOnEntry(ssoId);
if (entry != null && entry.getCanReauthenticate()) {
String username = entry.getUsername();
if (username != null) {
Principal reAuthPrincipal = realm.authenticate(username, entry.getPassword());
if (reAuthPrincipal != null) {
reAuthenticated = true;
request.setAuthType(entry.getAuthType());
request.setUserPrincipal(reAuthPrincipal);
}
}
}
return reAuthenticated;
}
/** {@inheritDoc} */
@Override
protected void register(String ssoId, Principal principal, String authType, String username, String password) {
LOGGER.debug("singleSignOn.debug.register, ssoId: {}, principal: {}, authType: {}", ssoId, (principal != null ? principal.getName() : ""), authType);
SingleSignOnEntry entry = new SingleSignOnEntry(principal, authType, username, password);
this.manager.setSingleSignOnEntry(ssoId, entry);
}
/** {@inheritDoc} */
@Override
protected boolean update(String ssoId, Principal principal, String authType, String username, String password) {
SingleSignOnEntry entry = this.manager.getSingleSignOnEntry(ssoId);
if (entry == null || !entry.getCanReauthenticate()) {
return false;
}
LOGGER.debug("singleSignOn.debug.update, ssoId: {}, authType: {}", ssoId, authType);
entry.updateCredentials(principal, authType, username, password);
this.manager.setSingleSignOnEntry(ssoId, entry);
return true;
}
/** {@inheritDoc} */
@Override
protected void removeSession(String ssoId, Session session) {
LOGGER.debug("singleSignOn.debug.removeSession, ssoId: {}, session: {}", ssoId, session);
SingleSignOnEntry entry = this.manager.getSingleSignOnEntry(ssoId);
if (entry != null) {
entry.removeSession(session);
if (entry.findSessions().size() == 0) {
this.deregister(ssoId);
}
}
}
/** To set session manager. */
void setSessionManager(SessionManager manager) {
this.manager = manager;
}
/** To set context. */
void setContext(Context context) {
this.context = context;
}
/** To expire session. */
private void expire(SingleSignOnSessionKey key) {
if (this.context == null) {
LOGGER.warn("singleSignOn.sessionExpire.engineNull, key: {}", key);
} else {
Container host = this.context.findChild(key.getHostName());
if (host == null) {
LOGGER.warn("singleSignOn.sessionExpire.hostNotFound, key: {}", key);
} else {
Context context = (Context) host.findChild(key.getContextName());
if (context == null) {
LOGGER.warn("singleSignOn.sessionExpire.contextNotFound, key: {}", key);
} else {
Session session;
try {
session = this.manager.findSession(key.getSessionId());
} catch (IOException ex) {
LOGGER.warn("singleSignOn.sessionExpire.managerError, key: {}, exception: {}", key, ex);
return;
}
if (session == null) {
LOGGER.warn("singleSignOn.sessionExpire.sessionNotFound, key: {}", key);
} else {
session.expire();
}
}
}
}
}
}