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io.imunity.scim.user.mapping.evaluation.ReferenceMappingEvaluator Maven / Gradle / Ivy
/*
* Copyright (c) 2021 Bixbit - Krzysztof Benedyczak. All rights reserved.
* See LICENCE.txt file for licensing information.
*/
package io.imunity.scim.user.mapping.evaluation;
import java.net.URI;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import javax.ws.rs.core.UriBuilder;
import org.apache.logging.log4j.Logger;
import org.springframework.stereotype.Component;
import io.imunity.scim.config.AttributeDefinitionWithMapping;
import io.imunity.scim.config.ReferenceAttributeMapping;
import io.imunity.scim.config.ReferenceAttributeMapping.ReferenceType;
import io.imunity.scim.group.GroupRestController;
import io.imunity.scim.user.UserRestController;
import pl.edu.icm.unity.base.utils.Log;
import pl.edu.icm.unity.exceptions.EngineException;
@Component
class ReferenceMappingEvaluator implements MappingEvaluator
{
private static final Logger log = Log.getLogger(Log.U_SERVER_SCIM, ReferenceMappingEvaluator.class);
private final MVELEvaluator mvelEvaluator;
private final DataArrayResolver dataArrayResolver;
ReferenceMappingEvaluator(MVELEvaluator mvelEvaluator, DataArrayResolver dataArrayResolver)
{
this.mvelEvaluator = mvelEvaluator;
this.dataArrayResolver = dataArrayResolver;
}
@Override
public String getId()
{
return ReferenceAttributeMapping.id;
}
@Override
public EvaluationResult eval(AttributeDefinitionWithMapping attributeDefinitionWithMapping,
EvaluatorContext context, MappingEvaluatorRegistry registry) throws EngineException
{
log.debug("Eval reference mapping for attribute {}", attributeDefinitionWithMapping.attributeDefinition.name);
ReferenceAttributeMapping mapping = (ReferenceAttributeMapping) attributeDefinitionWithMapping.attributeMapping;
return attributeDefinitionWithMapping.attributeDefinition.multiValued
? evalMulti(attributeDefinitionWithMapping, context, registry, mapping)
: evalSingle(attributeDefinitionWithMapping, context, registry, mapping);
}
private EvaluationResult evalMulti(AttributeDefinitionWithMapping attributeDefinitionWithMapping,
EvaluatorContext context, MappingEvaluatorRegistry registry, ReferenceAttributeMapping mapping)
throws EngineException
{
if (attributeDefinitionWithMapping.attributeMapping.getDataArray().isEmpty())
{
return EvaluationResult.builder().withAttributeName(attributeDefinitionWithMapping.attributeDefinition.name)
.build();
}
List ret = new ArrayList<>();
for (Object arrayObj : dataArrayResolver.resolve(mapping.getDataArray().get(), context))
{
ret.add(resolveReference(mapping.type,
mvelEvaluator.evalMVEL(mapping.expression,
EvaluatorContext.builder().withUser(context.user).withArrayObj(arrayObj)
.withScimEndpointDescription(context.scimEndpointDescription)
.withGroupProvider(context.groupProvider).build()),
context));
}
return EvaluationResult.builder().withAttributeName(attributeDefinitionWithMapping.attributeDefinition.name)
.withValue(Optional.ofNullable(ret.isEmpty() ? null : ret)).build();
}
private EvaluationResult evalSingle(AttributeDefinitionWithMapping attributeDefinitionWithMapping,
EvaluatorContext context, MappingEvaluatorRegistry registry, ReferenceAttributeMapping mapping)
throws EngineException
{
return EvaluationResult.builder().withAttributeName(attributeDefinitionWithMapping.attributeDefinition.name)
.withValue(Optional.ofNullable(
resolveReference(mapping.type, mvelEvaluator.evalMVEL(mapping.expression, context), context)))
.build();
}
private Object resolveReference(ReferenceType type, Object value, EvaluatorContext context)
{
if (value == null)
return null;
switch (type)
{
case GROUP:
return getGroupLocation(value.toString(), context);
case USER:
return getUserLocation(value.toString(), context);
default:
return UriBuilder.fromUri(value.toString()).build();
}
}
private URI getGroupLocation(String group, EvaluatorContext context)
{
return UriBuilder.fromUri(context.scimEndpointDescription.baseLocation).path(GroupRestController.GROUP_LOCATION)
.path(URLEncoder.encode(group, StandardCharsets.UTF_8)).build();
}
private URI getUserLocation(String user, EvaluatorContext context)
{
return UriBuilder.fromUri(context.scimEndpointDescription.baseLocation).path(UserRestController.USER_LOCATION)
.path(URLEncoder.encode(user, StandardCharsets.UTF_8)).build();
}
}
