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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
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package org.apache.syncope.core.persistence.jpa.validation.entity;
import java.util.HashSet;
import java.util.Set;
import javax.validation.ConstraintValidatorContext;
import org.apache.commons.collections4.IterableUtils;
import org.apache.commons.collections4.Predicate;
import org.apache.syncope.common.lib.types.EntityViolationType;
import org.apache.syncope.core.persistence.api.entity.AnyType;
import org.apache.syncope.core.persistence.api.entity.resource.ExternalResource;
import org.apache.syncope.core.persistence.api.entity.resource.Mapping;
import org.apache.syncope.core.persistence.api.entity.resource.MappingItem;
import org.apache.syncope.core.persistence.api.entity.resource.Provision;
import org.apache.syncope.core.provisioning.api.data.MappingItemTransformer;
import org.apache.syncope.core.provisioning.api.propagation.PropagationActions;
import org.identityconnectors.framework.common.objects.ObjectClass;
public class ExternalResourceValidator extends AbstractValidator<ExternalResourceCheck, ExternalResource> {
private boolean isValid(final Mapping mapping, final ConstraintValidatorContext context) {
if (mapping == null) {
return true;
}
long connObjectKeys = IterableUtils.countMatches(mapping.getItems(), new Predicate<MappingItem>() {
@Override
public boolean evaluate(final MappingItem item) {
return item.isConnObjectKey();
}
});
if (connObjectKeys != 1) {
context.buildConstraintViolationWithTemplate(
getTemplate(EntityViolationType.InvalidMapping, "Single ConnObjectKey mapping is required")).
addPropertyNode("connObjectKey.size").addConstraintViolation();
return false;
}
boolean isValid = true;
long passwords = IterableUtils.countMatches(mapping.getItems(), new Predicate<MappingItem>() {
@Override
public boolean evaluate(final MappingItem item) {
return item.isPassword();
}
});
if (passwords > 1) {
context.buildConstraintViolationWithTemplate(
getTemplate(EntityViolationType.InvalidMapping, "One password mapping is allowed at most")).
addPropertyNode("password.size").addConstraintViolation();
isValid = false;
}
for (MappingItem item : mapping.getItems()) {
for (String className : item.getMappingItemTransformerClassNames()) {
Class<?> actionsClass = null;
boolean isAssignable = false;
try {
actionsClass = Class.forName(className);
isAssignable = MappingItemTransformer.class.isAssignableFrom(actionsClass);
} catch (Exception e) {
LOG.error("Invalid MappingItemTransformer specified: {}", className, e);
}
if (actionsClass == null || !isAssignable) {
context.buildConstraintViolationWithTemplate(
getTemplate(EntityViolationType.InvalidMapping,
"Invalid mapping item trasformer class name")).
addPropertyNode("mappingItemTransformerClassName").addConstraintViolation();
isValid = false;
}
}
}
return isValid;
}
@Override
public boolean isValid(final ExternalResource resource, final ConstraintValidatorContext context) {
context.disableDefaultConstraintViolation();
if (resource.getKey() == null || !KEY_PATTERN.matcher(resource.getKey()).matches()) {
context.buildConstraintViolationWithTemplate(
getTemplate(EntityViolationType.InvalidKey, "Invalid resource key")).
addPropertyNode("key").addConstraintViolation();
return false;
}
if (!resource.getPropagationActionsClassNames().isEmpty()) {
for (String className : resource.getPropagationActionsClassNames()) {
Class<?> actionsClass = null;
boolean isAssignable = false;
try {
actionsClass = Class.forName(className);
isAssignable = PropagationActions.class.isAssignableFrom(actionsClass);
} catch (Exception e) {
LOG.error("Invalid PropagationActions specified: {}", className, e);
}
if (actionsClass == null || !isAssignable) {
context.buildConstraintViolationWithTemplate(
getTemplate(EntityViolationType.InvalidResource, "Invalid actions class name")).
addPropertyNode("actionsClassName").addConstraintViolation();
return false;
}
}
}
final Set<AnyType> anyTypes = new HashSet<>();
final Set<String> objectClasses = new HashSet<>();
boolean validMappings = IterableUtils.matchesAll(resource.getProvisions(), new Predicate<Provision>() {
@Override
public boolean evaluate(final Provision provision) {
anyTypes.add(provision.getAnyType());
if (provision.getObjectClass() != null) {
objectClasses.add(provision.getObjectClass().getObjectClassValue());
}
return isValid(provision.getMapping(), context);
}
});
if (anyTypes.size() < resource.getProvisions().size()) {
context.buildConstraintViolationWithTemplate(getTemplate(EntityViolationType.InvalidResource,
"Each provision requires a different " + AnyType.class.getSimpleName())).
addPropertyNode("provisions").addConstraintViolation();
return false;
}
if (objectClasses.size() < resource.getProvisions().size()) {
context.buildConstraintViolationWithTemplate(getTemplate(EntityViolationType.InvalidResource,
"Each provision requires a different" + ObjectClass.class.getSimpleName())).
addPropertyNode("provisions").addConstraintViolation();
return false;
}
return validMappings;
}
}