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/**
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2011-2015 ForgeRock AS. All Rights Reserved
*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the License at
* http://forgerock.org/license/CDDLv1.0.html
* See the License for the specific language governing
* permission and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at http://forgerock.org/license/CDDLv1.0.html
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
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package com.sun.identity.sm;
import com.iplanet.sso.SSOException;
import com.iplanet.sso.SSOToken;
import com.sun.identity.shared.xml.XMLUtils;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.forgerock.openam.upgrade.NewServiceWrapper;
import org.forgerock.openam.upgrade.ServiceSchemaModificationWrapper;
import org.forgerock.openam.upgrade.ServiceSchemaUpgradeWrapper;
import org.forgerock.openam.upgrade.NewSubSchemaWrapper;
import org.forgerock.openam.upgrade.ServerUpgrade;
import org.forgerock.openam.upgrade.SchemaUpgradeWrapper;
import org.forgerock.openam.upgrade.SubSchemaModificationWrapper;
import org.forgerock.openam.upgrade.SubSchemaUpgradeWrapper;
import org.forgerock.openam.upgrade.UpgradeException;
import org.forgerock.openam.upgrade.UpgradeHelper;
import org.forgerock.openam.upgrade.UpgradeUtils;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
/**
* This class determines how a service schema has changed between the current
* version and the new version in the war file.
*
* @author steve
*/
public class ServiceSchemaModifications {
private static final List SCHEMA_TYPES = Arrays.asList(new String[]{SMSUtils.GLOBAL_SCHEMA,
SMSUtils.ORG_SCHEMA, SMSUtils.DYNAMIC_SCHEMA, SMSUtils.USER_SCHEMA, SMSUtils.GROUP_SCHEMA,
SMSUtils.DOMAIN_SCHEMA, SMSUtils.POLICY_SCHEMA});
protected String serviceName = null;
protected Document serviceSchemaDoc = null;
protected SSOToken adminToken = null;
private boolean isServiceModified = false;
private boolean hasSubSchemaChanges = false;
private boolean hasSchemaChanges = false;
private Set schemaModifications = null;
private Map modifications = null;
private Map subSchemaChanges = null;
private NewServiceWrapper newServiceWrapper = null;
public ServiceSchemaModifications(String serviceName, Document schemaDoc, SSOToken adminToken, boolean newService)
throws UpgradeException {
this.serviceName = serviceName;
this.serviceSchemaDoc = schemaDoc;
this.adminToken = adminToken;
if (newService) {
parseNewServiceDefinition();
} else {
parseExistingServiceDefinition();
}
}
public boolean isServiceModified() {
return isServiceModified;
}
public boolean hasSchemaChanges() {
return hasSchemaChanges;
}
public boolean hasSubSchemaChanges() {
return hasSubSchemaChanges;
}
public Set getSchemaModifications() {
return schemaModifications;
}
public Map getServiceModifications() {
return modifications;
}
public Map getSubSchemaChanges() {
return subSchemaChanges;
}
/**
* Get the wrapper that wraps the new service and any modifications it might have.
* @return The service wrapper.
*/
public NewServiceWrapper getNewServiceWrapper() {
return newServiceWrapper;
}
private void parseNewServiceDefinition() throws UpgradeException {
//we should only fetch these once to prevent performance problems, also in case of fetchNew to prevent
//encrypting passwords multiple times.
final Map newSchemaMap = fetchNewServiceAttributes(serviceSchemaDoc);
createServiceModifications(newSchemaMap);
if (UpgradeUtils.debug.messageEnabled()) {
UpgradeUtils.debug.message("Service " + serviceName + " has been added");
UpgradeUtils.debug.message((newServiceWrapper.getModifiedSchemaMap().isEmpty() ? "No" : "Some") +
" modifications were made to " + serviceName);
}
}
private void parseExistingServiceDefinition() throws UpgradeException {
//we should only fetch these once to prevent performance problems, also in case of fetchNew to prevent
//encrypting passwords multiple times.
Map newSchemaMap = fetchNewServiceAttributes(serviceSchemaDoc);
Map existingSchemaMap = null;
try {
existingSchemaMap = fetchExistingServiceAttributes(serviceName, adminToken);
} catch (SMSException smse) {
UpgradeUtils.debug.error("unable to fetch existing service attributes", smse);
throw new UpgradeException(smse.getMessage());
} catch (SSOException ssoe) {
UpgradeUtils.debug.error("unable to fetch existing service attributes", ssoe);
throw new UpgradeException(ssoe.getMessage());
}
if (calculateSchemaChanges(newSchemaMap, existingSchemaMap)) {
if (UpgradeUtils.debug.messageEnabled()) {
UpgradeUtils.debug.message("service " + serviceName + " has new/deleted schema");
}
hasSchemaChanges = true;
}
// sub schemas added or removed?
if (calculateSubSchemaChanges(newSchemaMap, existingSchemaMap)) {
if (UpgradeUtils.debug.messageEnabled()) {
UpgradeUtils.debug.message("service " + serviceName + " has a modified sub schema");
}
hasSubSchemaChanges = true;
}
// has the service changed
if (calculateServiceModifications(newSchemaMap, existingSchemaMap)) {
if (UpgradeUtils.debug.messageEnabled()) {
UpgradeUtils.debug.message("service " + serviceName + " has changes in schemas");
}
isServiceModified = true;
}
}
private static Map getAttributes(Document document) {
Map schemas = new HashMap();
Node schemaRoot = XMLUtils.getRootNode(document, SMSUtils.SCHEMA);
for (final String schemaType : SCHEMA_TYPES) {
Node childNode = XMLUtils.getChildNode(schemaRoot, schemaType);
if (childNode != null) {
schemas.put(schemaType, new ServiceSchemaImpl(childNode));
}
}
return schemas;
}
private boolean calculateSchemaChanges(Map newSchemaMap,
Map existingSchemaMap) throws UpgradeException {
schemaModifications = new HashSet();
for (Map.Entry entry : newSchemaMap.entrySet()) {
String schemaName = entry.getKey();
ServiceSchemaImpl schema = entry.getValue();
if (!existingSchemaMap.containsKey(schemaName)) {
ServiceSchemaModificationWrapper newAttrs = new ServiceSchemaModificationWrapper(serviceName,
schemaName, schema.getAttributeSchemas());
//NB: only schema additions are currently supported.
schemaModifications.add(new SchemaUpgradeWrapper(newAttrs));
}
}
return !schemaModifications.isEmpty();
}
private boolean calculateSubSchemaChanges(Map newSchemaMap,
Map existingSchemaMap) throws UpgradeException {
subSchemaChanges = new HashMap();
try {
for (Map.Entry newAttrSchemaEntry : newSchemaMap.entrySet()) {
SubSchemaModificationWrapper subSchemaAdded =
getSubSchemaAdditionsRecursive(newAttrSchemaEntry.getKey(),
newAttrSchemaEntry.getKey(),
newAttrSchemaEntry.getValue(),
existingSchemaMap.get(newAttrSchemaEntry.getKey()));
if (subSchemaAdded.subSchemaChanged()) {
subSchemaChanges.put(newAttrSchemaEntry.getKey(), new SubSchemaUpgradeWrapper(subSchemaAdded));
}
}
} catch (SMSException smse) {
UpgradeUtils.debug.error("error whilst determining sub schema changes for service: " + serviceName, smse);
throw new UpgradeException(smse.getMessage());
}
if (UpgradeUtils.debug.messageEnabled()) {
UpgradeUtils.debug.message("calculateSubSchemaChanges returning " + (!(subSchemaChanges.isEmpty())));
}
return !(subSchemaChanges.isEmpty());
}
private SubSchemaModificationWrapper getSubSchemaAdditionsRecursive(String schemaName,
String compoundName,
ServiceSchemaImpl newSchema,
ServiceSchemaImpl existingSchema)
throws SMSException {
SubSchemaModificationWrapper subSchemaAddedResult = new SubSchemaModificationWrapper() ;
if (!newSchema.getSubSchemaNames().isEmpty()) {
for (String subSchemaName : (Set) newSchema.getSubSchemaNames()) {
if (existingSchema == null || !(existingSchema.getSubSchemaNames().contains(subSchemaName))) {
subSchemaAddedResult.put(compoundName + "/" + subSchemaName,
new NewSubSchemaWrapper(serviceName,
subSchemaName,
newSchema.getSubSchema(subSchemaName).getSchemaNode()));
} else {
SubSchemaModificationWrapper subSchemaResult =
getSubSchemaAdditionsRecursive(subSchemaName,
compoundName + "/" + subSchemaName,
newSchema.getSubSchema(subSchemaName),
existingSchema.getSubSchema(subSchemaName));
if (subSchemaAddedResult.subSchemaChanged()) {
subSchemaAddedResult.setSubSchema(subSchemaResult);
}
}
}
}
return subSchemaAddedResult;
}
private boolean calculateServiceModifications(Map newSchemaMap,
Map existingSchemaMap) throws UpgradeException {
modifications = new HashMap();
try {
for (Map.Entry newAttrSchemaEntry : newSchemaMap.entrySet()) {
ServiceSchemaImpl schema = existingSchemaMap.get(newAttrSchemaEntry.getKey());
if (schema == null) {
//this is a new schema, that's not available in the existing schema, should be covered by
//calculateSchemaChanges
continue;
}
ServiceSchemaModificationWrapper attrsAdded =
getServiceAdditionsRecursive(newAttrSchemaEntry.getKey(),
newAttrSchemaEntry.getValue(),
schema);
ServiceSchemaModificationWrapper attrsModified =
getServiceModificationsRecursive(newAttrSchemaEntry.getKey(),
newAttrSchemaEntry.getValue(),
schema);
ServiceSchemaModificationWrapper attrsDeleted =
getServiceDeletionsRecursive(newAttrSchemaEntry.getKey(),
newAttrSchemaEntry.getValue(),
schema);
if (attrsAdded.hasBeenModified() || attrsModified.hasBeenModified() || attrsDeleted.hasBeenModified()) {
modifications.put(newAttrSchemaEntry.getKey(),
new ServiceSchemaUpgradeWrapper(attrsAdded, attrsModified, attrsDeleted));
}
}
} catch (SMSException smse) {
UpgradeUtils.debug.error("error whilst determining schema changes for service: " + serviceName, smse);
throw new UpgradeException(smse.getMessage());
}
if (UpgradeUtils.debug.messageEnabled()) {
UpgradeUtils.debug.message("calculateServiceModifications returning " + (!(modifications.isEmpty())));
}
return !(modifications.isEmpty());
}
private ServiceSchemaModificationWrapper getServiceAdditionsRecursive(String schemaName,
ServiceSchemaImpl newSchema,
ServiceSchemaImpl existingSchema)
throws SMSException, UpgradeException {
Set attrsAdded = new HashSet();
ServiceSchemaModificationWrapper attrAddedResult = new ServiceSchemaModificationWrapper(serviceName, schemaName);
if (newSchema.getAttributeSchemas() != null) {
attrsAdded = getAttributesAdded(newSchema.getAttributeSchemas(), existingSchema.getAttributeSchemas());
}
if (!(attrsAdded.isEmpty())) {
attrAddedResult.setAttributes(attrsAdded);
}
if (!newSchema.getSubSchemaNames().isEmpty()) {
for (String subSchemaName : (Set) newSchema.getSubSchemaNames()) {
if (!(existingSchema.getSubSchemaNames().contains(subSchemaName))) {
// new sub schema so skip attribute checking
continue;
}
ServiceSchemaModificationWrapper subSchemaResult = getServiceAdditionsRecursive(subSchemaName,
newSchema.getSubSchema(subSchemaName),
existingSchema.getSubSchema(subSchemaName));
if (subSchemaResult.hasBeenModified()) {
attrAddedResult.addSubSchema(subSchemaName, subSchemaResult);
}
}
}
return attrAddedResult;
}
private ServiceSchemaModificationWrapper getServiceModificationsRecursive(String schemaName,
ServiceSchemaImpl newSchema,
ServiceSchemaImpl existingSchema)
throws SMSException, UpgradeException {
Set attrsModified = new HashSet();
ServiceSchemaModificationWrapper attrModifiedResult = new ServiceSchemaModificationWrapper(serviceName, schemaName);
if (newSchema.getAttributeSchemas() != null) {
attrsModified = getAttributesModified(newSchema.getAttributeSchemas(), existingSchema.getAttributeSchemas());
}
if (!(attrsModified.isEmpty())) {
attrModifiedResult.setAttributes(attrsModified);
}
if (!newSchema.getSubSchemaNames().isEmpty()) {
for (String subSchemaName : (Set) newSchema.getSubSchemaNames()) {
if (!(existingSchema.getSubSchemaNames().contains(subSchemaName))) {
// new sub schema so skip attribute checking
continue;
}
ServiceSchemaModificationWrapper subSchemaResult = getServiceModificationsRecursive(subSchemaName,
newSchema.getSubSchema(subSchemaName),
existingSchema.getSubSchema(subSchemaName));
if (subSchemaResult.hasBeenModified()) {
attrModifiedResult.addSubSchema(subSchemaName, subSchemaResult);
}
}
}
return attrModifiedResult;
}
private ServiceSchemaModificationWrapper getServiceDeletionsRecursive(String schemaName,
ServiceSchemaImpl newSchema,
ServiceSchemaImpl existingSchema)
throws SMSException {
Set attrsDeleted = new HashSet();
ServiceSchemaModificationWrapper attrDeletedResult = new ServiceSchemaModificationWrapper(serviceName, schemaName);;
if (newSchema.getAttributeSchemas() != null) {
attrsDeleted = getAttributesDeleted(newSchema.getAttributeSchemas(), existingSchema.getAttributeSchemas());
}
if (!(attrsDeleted.isEmpty())) {
attrDeletedResult.setAttributes(attrsDeleted);
}
if (!newSchema.getSubSchemaNames().isEmpty()) {
for (String subSchemaName : (Set) newSchema.getSubSchemaNames()) {
if (!(existingSchema.getSubSchemaNames().contains(subSchemaName))) {
// new sub schema so skip attribute checking
continue;
}
ServiceSchemaModificationWrapper subSchemaResult = getServiceDeletionsRecursive(subSchemaName,
newSchema.getSubSchema(subSchemaName),
existingSchema.getSubSchema(subSchemaName));
if (subSchemaResult.hasBeenModified()) {
attrDeletedResult.addSubSchema(subSchemaName, subSchemaResult);
}
}
}
return attrDeletedResult;
}
private Set getAttributesAdded(Set newAttrs,
Set existingAttrs) throws UpgradeException {
Set attrAdded = new HashSet();
for (AttributeSchemaImpl newAttr : newAttrs) {
boolean found = false;
for (AttributeSchemaImpl existingAttr : existingAttrs) {
if (newAttr.getName().equals(existingAttr.getName())) {
found = true;
}
}
if (!found) {
UpgradeHelper serviceHelper = ServerUpgrade.getServiceHelper(serviceName);
if (serviceHelper != null) {
newAttr = serviceHelper.addNewAttribute(existingAttrs, newAttr);
}
attrAdded.add(newAttr);
}
}
return attrAdded;
}
private Set getAttributesModified(Set newAttrs, Set existingAttrs)
throws UpgradeException {
Set attrMods = new HashSet();
for (AttributeSchemaImpl newAttr : newAttrs) {
// skip attributes that are not explicitly named for upgrade
if (ServerUpgrade.getServiceHelper(serviceName) == null ||
!ServerUpgrade.getServiceHelper(serviceName).getAttributes().contains(newAttr.getName())) {
continue;
}
for (AttributeSchemaImpl existingAttr : existingAttrs) {
if (!existingAttr.getName().equals(newAttr.getName())) {
continue;
}
try {
UpgradeHelper helper = ServerUpgrade.getServiceHelper(serviceName);
AttributeSchemaImpl upgradedAttr = helper.upgradeAttribute(existingAttr, newAttr);
if (upgradedAttr != null) {
attrMods.add(upgradedAttr);
}
} catch (UpgradeException ue) {
UpgradeUtils.debug.error("Unable to process upgrade helper", ue);
throw ue;
}
}
}
return attrMods;
}
private Set getAttributesDeleted(Set newAttrs, Set existingAttrs) {
Set attrDeleted = new HashSet();
for (AttributeSchemaImpl existingAttr : existingAttrs) {
boolean found = false;
for (AttributeSchemaImpl newAttr : newAttrs) {
if (existingAttr.getName().equals(newAttr.getName())) {
found = true;
}
}
if (!found) {
attrDeleted.add(existingAttr);
}
}
return attrDeleted;
}
private Map fetchNewServiceAttributes(Document doc)
throws UpgradeException {
try {
ServiceManager.checkAndEncryptPasswordSyntax(doc, true);
} catch (SMSException smse) {
UpgradeUtils.debug.error("Unable to encrypt default values for passwords");
throw new UpgradeException(smse);
}
Map schemas = getAttributes(doc);
return schemas;
}
private Map fetchExistingServiceAttributes(String serviceName, SSOToken adminToken)
throws SMSException, SSOException {
ServiceSchemaManager ssm = new ServiceSchemaManager(serviceName, adminToken);
Map schemas = getAttributes(ssm.getDocumentCopy());
return schemas;
}
/**
* This will use the service schemas to find any upgrade handlers registered for the service and
* populate the NewServiceWrapper's ServiceSchemaModificationWrappers.
* @param newSchemaMap The service schemas representing the service.
* @throws UpgradeException If an upgrade error occurs.
*/
private void createServiceModifications(Map newSchemaMap) throws UpgradeException {
try {
final Map serviceSchemaMap =
new HashMap();
for (Map.Entry newAttrSchemaEntry : newSchemaMap.entrySet()) {
final ServiceSchemaModificationWrapper attributesAdded =
getServiceModificationsRecursive(newAttrSchemaEntry.getKey(), newAttrSchemaEntry.getValue());
if (attributesAdded.hasBeenModified()) {
serviceSchemaMap.put(newAttrSchemaEntry.getKey(), attributesAdded);
}
}
newServiceWrapper = new NewServiceWrapper(serviceName, serviceSchemaMap, serviceSchemaDoc);
} catch (SMSException smse) {
UpgradeUtils.debug.error("Error whilst determining schema changes for service: " + serviceName, smse);
throw new UpgradeException(smse.getMessage(), smse);
}
}
/**
* This will recursively go through the service schema and add modifications if any was found.
*
* @param schemaName Name of the schema being processed.
* @param newSchema The schema being processed.
* @return The schema modification wrapper.
* @throws UpgradeException If an error occurred during attribute upgrade.
*/
private ServiceSchemaModificationWrapper getServiceModificationsRecursive(String schemaName,
ServiceSchemaImpl newSchema)
throws SMSException, UpgradeException {
final ServiceSchemaModificationWrapper attrModifiedResult =
new ServiceSchemaModificationWrapper(serviceName, schemaName);
if (newSchema.getAttributeSchemas() != null) {
final Set attrsModified = getAttributesModified(newSchema.getAttributeSchemas());
if (!attrsModified.isEmpty()) {
attrModifiedResult.setAttributes(attrsModified);
}
}
if (!newSchema.getSubSchemaNames().isEmpty()) {
for (String subSchemaName : (Set) newSchema.getSubSchemaNames()) {
final ServiceSchemaModificationWrapper subSchemaResult =
getServiceModificationsRecursive(subSchemaName, newSchema.getSubSchema(subSchemaName));
if (subSchemaResult.hasBeenModified()) {
attrModifiedResult.addSubSchema(subSchemaName, subSchemaResult);
}
}
}
return attrModifiedResult;
}
/**
* This will find the service helper specified for a newly added service if one is registered.
* If any attributes are registered they will be passed to the helper for modification.
* @param newAttrs The new attributes being added by this service.
* @return The modified attributes.
* @throws UpgradeException If an error occurred during attribute upgrade.
*/
private Set getAttributesModified(Set newAttrs) throws UpgradeException {
final Set attrMods = new HashSet();
final UpgradeHelper helper = ServerUpgrade.getServiceHelper(serviceName);
if (helper != null) {
for (AttributeSchemaImpl newAttr : newAttrs) {
// skip attributes that are not explicitly named for upgrade
if (!helper.getAttributes().contains(newAttr.getName())) {
continue;
}
try {
final AttributeSchemaImpl upgradedAttr = helper.upgradeAttribute(newAttr);
if (upgradedAttr != null) {
attrMods.add(upgradedAttr);
}
} catch (UpgradeException ue) {
UpgradeUtils.debug.error("Unable to process upgrade helper for service: " + serviceName, ue);
throw ue;
}
}
}
return attrMods;
}
}