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// Portions Copyright [2016] [Payara Foundation and/or its affiliates]
package com.sun.enterprise.security.web.integration;
import org.glassfish.internal.api.ServerContext;
import java.security.*;
import java.util.Set;
import java.util.Map;
import java.util.WeakHashMap;
import java.util.Collections;
import java.net.URL;
import javax.servlet.http.HttpServletRequest;
import javax.security.jacc.*;
import java.util.logging.*;
import com.sun.logging.LogDomains;
import com.sun.enterprise.deployment.WebBundleDescriptor;
import com.sun.enterprise.security.common.AppservAccessController;
import com.sun.enterprise.security.ee.CachedPermission;
import com.sun.enterprise.security.ee.CachedPermissionImpl;
import com.sun.enterprise.security.ee.PermissionCache;
import com.sun.enterprise.security.ee.PermissionCacheFactory;
import com.sun.enterprise.security.SecurityContext;
import com.sun.enterprise.security.ee.audit.AppServerAuditManager;
import com.sun.enterprise.deployment.runtime.common.SecurityRoleMapping;
import org.glassfish.security.common.PrincipalImpl;
import org.glassfish.security.common.Group;
import com.sun.enterprise.config.serverbeans.*;
//V3:Commented import com.sun.enterprise.server.ApplicationServer;
import com.sun.enterprise.deployment.runtime.common.wls.SecurityRoleAssignment;
import com.sun.enterprise.deployment.web.LoginConfiguration;
import com.sun.enterprise.deployment.runtime.web.SunWebApp;
//import org.apache.catalina.Globals;
import com.sun.enterprise.security.SecurityRoleMapperFactoryGen;
import com.sun.enterprise.security.SecurityServicesUtil;
import com.sun.enterprise.security.ee.SecurityUtil;
import com.sun.enterprise.security.WebSecurityDeployerProbeProvider;
import com.sun.enterprise.security.audit.AuditManager;
import java.util.List;
import org.glassfish.api.web.Constants;
/**
* The class implements the JSR 115 - JavaTM Authorization Contract for Containers.
* This class is a companion class of EJBSecurityManager.
*
* All the security decisions required to allow access to a resource are defined
* in that class.
*
* @author Jean-Francois Arcand
* @author Harpreet Singh.
* @todo introduce a new class called AbstractSecurityManager. Move functionality
* from this class and EJBSecurityManager class and extend this class from
* AbstractSecurityManager
*/
public class WebSecurityManager {
private static final Logger logger =
Logger.getLogger(LogDomains.SECURITY_LOGGER);
/**
* Request path. Copied from org.apache.catalina.Globals;
* Required to break dependence on WebTier of Security Module
*/
public static final String CONSTRAINT_URI =
"org.apache.catalina.CONSTRAINT_URI";
private static final String RESOURCE = "hasResourcePermission";
private static final String USERDATA = "hasUserDataPermission";
private static final String ROLEREF = "hasRoleRefPermission";
private static final String DEFAULT_PATTERN = "/";
private static final String EMPTY_STRING = "";
// The context ID associated with this instance. This is the name
// of the application
private String CONTEXT_ID = null;
private String CODEBASE = null;
// The JACC policy provider.
protected Policy policy = Policy.getPolicy();
protected PolicyConfiguration pc = null;
protected PolicyConfigurationFactory pcf= null;
protected CodeSource codesource = null;
// protection domain cache
private Map protectionDomainCache =
Collections.synchronizedMap(new WeakHashMap());
private static final WebResourcePermission allResources =
new WebResourcePermission("/*",(String) null);
private static final WebUserDataPermission allConnections =
new WebUserDataPermission("/*",null);
private static Permission[] protoPerms = {
allResources,
allConnections
};
// permissions tied to unchecked permission cache, and used
// to determine if the effective policy is grant all
// WebUserData and WebResource permisions.
private CachedPermission allResourcesCP = null;
private CachedPermission allConnectionsCP = null;
// unchecked permission cache
private PermissionCache uncheckedPermissionCache = null;
private static Set defaultPrincipalSet =
SecurityContext.getDefaultSecurityContext().getPrincipalSet();
//private SecurityRoleMapperFactory factory = null;
private WebSecurityManagerFactory wsmf = null;
private ServerContext serverContext = null;
// WebBundledescriptor
private WebBundleDescriptor wbd = null;
//ProbeProvider
private WebSecurityDeployerProbeProvider probeProvider = new WebSecurityDeployerProbeProvider();
private boolean register = true;
WebSecurityManager(WebBundleDescriptor wbd, ServerContext svc, WebSecurityManagerFactory fact, boolean register) throws PolicyContextException{
this.register = register;
this.wbd = wbd;
this.CONTEXT_ID = getContextID(wbd);
this.serverContext = svc;
this.wsmf = fact;
String appname = getAppId();
//factory = SecurityRoleMapperFactoryGen.getSecurityRoleMapperFactory();
postConstruct();
initialise(appname);
}
// Create a WebSecurityObject
private WebSecurityManager(WebBundleDescriptor wbd, WebSecurityManagerFactory fact) throws PolicyContextException {
this(wbd,null, fact);
}
WebSecurityManager(WebBundleDescriptor wbd, ServerContext svc, WebSecurityManagerFactory fact) throws PolicyContextException {
this.wbd = wbd;
this.CONTEXT_ID = getContextID(wbd);
this.serverContext = svc;
this.wsmf = fact;
String appname = getAppId();
// factory = SecurityRoleMapperFactoryGen.getSecurityRoleMapperFactory();
postConstruct();
initialise(appname);
}
private void postConstruct() {
SecurityRoleMapperFactoryGen.getSecurityRoleMapperFactory().setAppNameForContext(getAppId(), CONTEXT_ID);
}
private String removeSpaces(String withSpaces){
return withSpaces.replace(' ', '_');
}
// fix for CR 6155144
// used to get the policy context id. Also used by the RealmAdapter
public static String getContextID(WebBundleDescriptor wbd) {
return SecurityUtil.getContextID(wbd);
}
private void initialise(String appName) throws PolicyContextException {
getPolicyFactory();
CODEBASE = removeSpaces(CONTEXT_ID) ;
//V3:Commented if(VirtualServer.ADMIN_VS.equals(getVirtualServers(appName))){
if(Constants.ADMIN_VS.equals(getVirtualServers(appName))){
LoginConfiguration lgConf = wbd.getLoginConfiguration();
if (lgConf != null){
String realmName = lgConf.getRealmName();
SunWebApp sunDes = wbd.getSunDescriptor();
if(sunDes != null){
SecurityRoleMapping[] srms = sunDes.getSecurityRoleMapping();
if(srms != null){
for (SecurityRoleMapping srm : srms) {
String[] principals = srm.getPrincipalName();
if (principals != null) {
for (String principal : principals) {
wsmf.ADMIN_PRINCIPAL.put(realmName + principal, new PrincipalImpl(principal));
}
}
for (String group : srm.getGroupNames()) {
wsmf.ADMIN_GROUP.put(realmName + group, new Group(group));
}
}
}
SecurityRoleAssignment[] sras = sunDes.getSecurityRoleAssignments();
if(sras != null){
for (SecurityRoleAssignment sra : sras) {
List<String> principals = sra.getPrincipalNames();
if (sra.isExternallyDefined()) {
wsmf.ADMIN_GROUP.put(realmName + sra.getRoleName(), new Group(sra.getRoleName()));
continue;
}
for (String principal : principals) {
wsmf.ADMIN_PRINCIPAL.put(realmName + principal, new PrincipalImpl(principal));
}
}
}
}
}
}
// will require stuff in hash format for reference later on.
try{
java.net.URI uri = null;
try{
if(logger.isLoggable(Level.FINE))
logger.log(Level.FINE, "[Web-Security] Creating a Codebase URI with = {0}", CODEBASE);
uri = new java.net.URI("file:///"+ CODEBASE);
if(uri != null){
codesource = new CodeSource(new URL(uri.toString()),
(java.security.cert.Certificate[]) null);
}
} catch(java.net.URISyntaxException use){
// manually create the URL
logger.log(Level.FINE, "[Web-Security] Error Creating URI ", use);
throw new RuntimeException(use);
}
} catch(java.net.MalformedURLException mue){
logger.log(Level.SEVERE, "[Web-Security] Exception while getting the CodeSource", mue);
throw new RuntimeException(mue);
}
if(logger.isLoggable(Level.FINE)){
logger.log(Level.FINE, "[Web-Security] Context id (id under which WEB component in application will be created) = {0}", CONTEXT_ID);
logger.log(Level.FINE, "[Web-Security] Codebase (module id for web component) {0}", CODEBASE);
}
loadPolicyConfiguration();
if (uncheckedPermissionCache == null) {
if (register) {
uncheckedPermissionCache =
PermissionCacheFactory.createPermissionCache(this.CONTEXT_ID, codesource, protoPerms, null);
allResourcesCP =
new CachedPermissionImpl(uncheckedPermissionCache,
allResources);
allConnectionsCP =
new CachedPermissionImpl(uncheckedPermissionCache,
allConnections);
}
} else {
uncheckedPermissionCache.reset();
}
}
public void loadPolicyConfiguration() throws PolicyContextException {
boolean inService = getPolicyFactory().inService(CONTEXT_ID);
// only regenerate policy file if it isn't already in service
// Consequently all things that deploy modules (as apposed to
// loading already deployed modules) must make sure pre-exiting
// pc is either in deleted or open state before this method
// (i.e. initialise) is called. That is, before constructing
// the WebSecurityManager. Note that policy statements are not
// removed to allow multiple web modules to be represented by same pc.
if (!inService) {
pc = getPolicyFactory().getPolicyConfiguration(CONTEXT_ID,false);
try{
WebPermissionUtil.processConstraints(wbd, pc);
WebPermissionUtil.createWebRoleRefPermission(wbd, pc);
} catch (PolicyContextException pce){
logger.log(Level.FINE,"[Web-Security] FATAL Permission Generation: " + pce.getMessage());
throw pce;
}
}
}
// this will change too - get the application id name
private String getAppId() {
return wbd.getApplication().getRegistrationName();
}
public boolean permitAll(HttpServletRequest req) {
boolean ret = false;
WebResourcePermission webResPerm = createWebResourcePermission(req);
if (uncheckedPermissionCache != null) {
ret = uncheckedPermissionCache.checkPermission(webResPerm);
}
if (ret == false) {
ret = checkPermissionWithoutCache(webResPerm, null);
}
return ret;
}
/*
* Invoke the <code>Policy</code> to determine if the <code>Permission</code>
* object has security permission.
* @param perm an instance of <code>Permission</code>.
* @param principalSet a set containing the principals to check for authorization
* @return true if granted, false if denied.
*/
protected boolean checkPermission(Permission perm, Set principalSet) {
boolean ret = false;
if (uncheckedPermissionCache != null) {
ret = uncheckedPermissionCache.checkPermission(perm);
}
if (ret == false) {
ret = checkPermissionWithoutCache(perm, principalSet);
} else {
try {
setPolicyContext(CONTEXT_ID);
} catch(Throwable t){
if (logger.isLoggable(Level.FINE)){
logger.log(Level.FINE,
"[Web-Security] Web Permission Access Denied.",t);
}
ret = false;
}
}
return ret;
}
private boolean checkPermissionWithoutCache(
Permission perm, Set principalSet) {
try{
// NOTE: there is an assumption here, that this setting of the PC will
// remain in affect through the component dispatch, and that the
// component will not call into any other policy contexts.
// even so, could likely reset on failed check.
setPolicyContext(CONTEXT_ID);
} catch(Throwable t){
if (logger.isLoggable(Level.FINE)){
logger.log(Level.FINE,
"[Web-Security] Web Permission Access Denied.",t);
}
return false;
}
ProtectionDomain prdm =
(ProtectionDomain)protectionDomainCache.get(principalSet);
if (prdm == null) {
Principal[] principals = null;
principals = (principalSet == null ? null :
(Principal []) principalSet.toArray(new Principal[0]));
if(logger.isLoggable(Level.FINE)){
logger.log(Level.FINE,"[Web-Security] Generating a protection domain for Permission check.");
if (principals != null) {
for (int i=0; i<principals.length; i++){
logger.log(Level.FINE, "[Web-Security] Checking with Principal : {0}", principals[i].toString());
}
} else {
logger.log(Level.FINE, "[Web-Security] Checking with Principals: null");
}
}
prdm = new ProtectionDomain(codesource, null, null,principals);
protectionDomainCache.put(principalSet,prdm);
}
if(logger.isLoggable(Level.FINE)){
logger.log(Level.FINE, "[Web-Security] Codesource with Web URL: {0}", codesource.getLocation().toString());
logger.log(Level.FINE, "[Web-Security] Checking Web Permission with Principals : {0}", principalSetToString(principalSet));
logger.log(Level.FINE, "[Web-Security] Web Permission = {0}", perm.toString());
}
return policy.implies(prdm, perm);
}
private PolicyConfigurationFactory getPolicyFactory() throws PolicyContextException {
if (pcf != null) {
return pcf;
}
return _getPolicyFactory();
}
private synchronized PolicyConfigurationFactory _getPolicyFactory()
throws PolicyContextException {
if (pcf == null) {
try {
pcf = PolicyConfigurationFactory.getPolicyConfigurationFactory();
} catch(ClassNotFoundException cnfe){
logger.severe("WebSecurityManager - Exception while getting the PolicyFactory");
throw new PolicyContextException(cnfe);
} catch(PolicyContextException pce){
logger.severe("WebSecurityManager - Exception while getting the PolicyFactory");
throw pce;
}
}
return pcf;
}
private WebResourcePermission createWebResourcePermission(
HttpServletRequest httpsr) {
//TODO: V3 String uri = (String)httpsr.getAttribute(Globals.CONSTRAINT_URI);
String uri = (String)httpsr.getAttribute(CONSTRAINT_URI);
if (uri == null) {
uri = httpsr.getRequestURI();
if (uri != null) {
// FIX TO BE CONFIRMED: subtract the context path
String contextPath = httpsr.getContextPath();
int contextLength = contextPath == null ? 0 :
contextPath.length();
if (contextLength > 0) {
uri = uri.substring(contextLength);
}
}
}
if (uri == null) {
if (logger.isLoggable(Level.FINE)){
logger.log(Level.FINE,"[Web-Security] mappedUri is null");
}
throw new RuntimeException("Fatal Error in creating WebResourcePermission");
}
if(uri.equals("/")) {
uri = EMPTY_STRING;
}else {
// FIX TO BE CONFIRMED: encode all colons
uri = uri.replaceAll(":","%3A");
}
WebResourcePermission perm = new WebResourcePermission(
uri, httpsr.getMethod());
return perm;
}
/**
* Perform access control based on the <code>HttpServletRequest</code>.
* Return <code>true</code> if this constraint is satisfied and processing
* should continue, or <code>false</code> otherwise.
* @return true is the resource is granted, false if denied
*/
public boolean hasResourcePermission(HttpServletRequest httpsr){
SecurityContext sc = getSecurityContext(httpsr.getUserPrincipal());
WebResourcePermission perm = createWebResourcePermission(httpsr);
setSecurityInfo(httpsr);
boolean isGranted = checkPermission(perm,sc.getPrincipalSet());
SecurityContext.setCurrent(sc);
if(logger.isLoggable(Level.FINE)){
logger.log(Level.FINE, "[Web-Security] hasResource isGranted: {0}", isGranted);
logger.log(Level.FINE, "[Web-Security] hasResource perm: {0}", perm);
}
recordWebInvocation(httpsr, RESOURCE, isGranted);
return isGranted;
}
/*
* Return <code>true</code> if the specified servletName has the specified
* security role, within the context of the WebRoleRefPermission;
* otherwise return
* <code>false</code>.
*
* @param principal servletName the resource's name.
* @param principal Principal for whom the role is to be checked
* @param role Security role to be checked
* @return true is the resource is granted, false if denied
*/
public boolean hasRoleRefPermission(String servletName, String role, Principal p) {
Set principalSet = getSecurityContext(p).getPrincipalSet();
WebRoleRefPermission perm = new WebRoleRefPermission(servletName, role);
boolean isGranted = checkPermission(perm,principalSet);
if(logger.isLoggable(Level.FINE)){
logger.log(Level.FINE, "[Web-Security] hasRoleRef perm: {0}", perm);
logger.log(Level.FINE, "[Web-Security] hasRoleRef isGranted: {0}", isGranted);
}
return isGranted;
}
/**
* if uri == null, determine if the connection characteristics of the
* request satisfy the applicable policy.
* If the uri is not null, determine if the uri and Http method
* require a CONFIDENTIAL transport. The uri value does not include
* the context path, and any colons occurring in the uri must be escaped.
*
* @return 1 if access is permitted (as is or without SSL). -1 if the
* the access will be permitted after a redirect to SSL. return 0 if
* access will be denied independent of whether a redirect to SSL is done.
*
* Note: this method is not intended to be called if the request is secure.
* it checks whether the resource can be accessed over the current
* connection type (which is presumed to be insecure), and if an
* insecure connection type is not permitted it checks if the resource can
* be accessed via a confidential transport.
*
* If the request is secure, the second check is skipped, and the proper
* result is returned (but that is not the intended use model).
*/
public int hasUserDataPermission(HttpServletRequest httpsr,
String uri, String httpMethod) {
setSecurityInfo(httpsr);
WebUserDataPermission perm;
boolean requestIsSecure = httpsr.isSecure();
if (uri == null) {
perm = new WebUserDataPermission(httpsr);
} else {
perm = new WebUserDataPermission(uri,
httpMethod == null ? null : new String[] { httpMethod },
requestIsSecure ? "CONFIDENTIAL": null);
}
boolean isGranted = checkPermission(perm, defaultPrincipalSet);
int result = 0;
if ( isGranted ) {
result = 1;
}
if(logger.isLoggable(Level.FINE)){
logger.log(Level.FINE, "[Web-Security] hasUserDataPermission perm: {0}", perm);
logger.log(Level.FINE, "[Web-Security] hasUserDataPermission isGranted: {0}", isGranted);
}
recordWebInvocation(httpsr, USERDATA, isGranted);
if ( !isGranted && !requestIsSecure) {
if (uri == null) {
httpMethod = httpsr.getMethod();
}
perm = new WebUserDataPermission
(perm.getName(),
httpMethod == null ? null : new String[] { httpMethod },
"CONFIDENTIAL");
isGranted = checkPermission(perm, defaultPrincipalSet);
if (isGranted)
result = -1;
}
return result;
}
public void destroy() throws PolicyContextException {
boolean wasInService = getPolicyFactory().inService(CONTEXT_ID);
//getPolicyFactory().getPolicyConfiguration(CONTEXT_ID,true);
if (wasInService) {
policy.refresh();
}
PermissionCacheFactory.removePermissionCache(uncheckedPermissionCache);
uncheckedPermissionCache = null;
SecurityRoleMapperFactoryGen.getSecurityRoleMapperFactory().removeAppNameForContext(CONTEXT_ID);
wsmf.getManager(CONTEXT_ID,null,true);
}
/**
* Analogous to destroy, except does not remove links from Policy Context,
* and does not remove context_id from role mapper factory. Used to support
* Policy Changes that occur via ServletContextListener.
*
* @throws PolicyContextException
*/
public void release() throws PolicyContextException {
boolean wasInService = getPolicyFactory().inService(CONTEXT_ID);
PolicyConfiguration config =
getPolicyFactory().getPolicyConfiguration(CONTEXT_ID,false);
WebPermissionUtil.removePolicyStatements(config,wbd);
// refresh policy if the context was in service
if (wasInService) {
Policy.getPolicy().refresh();
}
PermissionCacheFactory.removePermissionCache(uncheckedPermissionCache);
uncheckedPermissionCache = null;
wsmf.getManager(CONTEXT_ID,null,true);
}
private void recordWebInvocation(final HttpServletRequest httpsr, final String type, final boolean isGranted) {
AuditManager auditManager = SecurityServicesUtil.getInstance().getAuditManager();
if (auditManager != null && auditManager.isAuditOn() && (auditManager instanceof AppServerAuditManager)) {
final AppServerAuditManager appServerAuditManager = (AppServerAuditManager) auditManager;
Principal prin = httpsr.getUserPrincipal();
String user = (prin != null) ? prin.getName(): null;
appServerAuditManager.webInvocation(user, httpsr, type, isGranted);
}
}
private static String setPolicyContext(final String ctxID) throws Throwable {
String old = PolicyContext.getContextID();
if (old != ctxID &&
(old == null || ctxID == null || !old.equals(ctxID))) {
if(logger.isLoggable(Level.FINE)){
logger.log(Level.FINE, "[Web-Security] Setting Policy Context ID: old = {0} ctxID = {1}", new Object[]{old, ctxID});
}
try {
AppservAccessController.doPrivileged(new PrivilegedExceptionAction(){
public java.lang.Object run() throws Exception{
PolicyContext.setContextID(ctxID);
return null;
}
});
} catch (java.security.PrivilegedActionException pae) {
Throwable cause = pae.getCause();
if( cause instanceof java.security.AccessControlException) {
logger.log(Level.SEVERE,"[Web-Security] setPolicy SecurityPermission required to call PolicyContext.setContextID",cause);
} else {
logger.log(Level.SEVERE,"[Web-Security] Unexpected Exception while setting policy context",cause);
}
throw cause;
}
} else if(logger.isLoggable(Level.FINE)){
logger.log(Level.FINE, "[Web-Security] Policy Context ID was: {0}", old);
}
return old;
}
/**
* This is an private method for transforming principal into a SecurityContext
* @param principal expected to be a WebPrincipal
* @return SecurityContext
*/
private SecurityContext getSecurityContext(Principal principal) {
SecurityContext secContext = null;
if (principal != null) {
if (principal instanceof WebPrincipal){
WebPrincipal wp = (WebPrincipal)principal;
secContext = wp.getSecurityContext();
}else {
secContext = SecurityContext.getCurrent();
}
}
if (secContext == null) {
secContext = SecurityContext.getDefaultSecurityContext();
}
return secContext;
}
/**
* This is an private method for policy context handler data info
* @param httpRequest
*/
private void setSecurityInfo(HttpServletRequest httpRequest) {
if (httpRequest != null) {
wsmf.pcHandlerImpl.getHandlerData().setHttpServletRequest(httpRequest);
}
}
private String principalSetToString(Set principalSet) {
StringBuilder result = null;
if (principalSet != null) {
Principal[] principals =
(Principal []) principalSet.toArray(new Principal[0]);
for (int i =0; i<principals.length; i++) {
if (i == 0) {
result = new StringBuilder(principals[i].toString());
} else {
result.append(", ").append(principals[i].toString());
}
}
}
return ((result != null) ? result.toString() : null);
}
/*V3:Commented, replacement code copied from web-container VirtualServer.java
private String getVirtualServers(String appName) {
String ret = null;
try {
ConfigContext ctx =
ApplicationServer.getServerContext().getConfigContext();
ret = ServerBeansFactory
.getVirtualServersByAppName(ctx, appName);
} catch (ConfigException ce) {
logger.log(Level.FINE, "Cannot get virtual server for " + appName, ce);
}
return ret;
}*/
/**
* Virtual servers are maintained in the reference contained
* in Server element. First, we need to find the server
* and then get the virtual server from the correct reference
*
* @param appName Name of the app to get vs
*
* @return virtual servers as a string (separated by space or comma)
*/
private String getVirtualServers(String appName) {
String ret = null;
Server server = serverContext.getDefaultServices().getService(Server.class);
for (ApplicationRef appRef : server.getApplicationRef()) {
if (appRef.getRef().equals(appName)) {
return appRef.getVirtualServers();
}
}
return ret;
}
/**
* returns true to indicate that a policy check was made
* and there were no constrained resources.
* when caching is disabled must always return false, which will
* ensure that policy is consulted to authorize each request.
*/
public boolean hasNoConstrainedResources() {
boolean result = false;
if (allResourcesCP != null && allConnectionsCP != null) {
boolean x = allResourcesCP.checkPermission();
boolean y = allConnectionsCP.checkPermission();
result = x && y;
if (result) {
try {
setPolicyContext(CONTEXT_ID);
} catch (Throwable t) {
throw new RuntimeException(t);
}
}
}
return result;
}
}