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ChangeExecutor.java
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ChangeExecutor.java
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/*
* Copyright (c) 2010-2017 Evolveum
*
* Licensed 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.
*/
package com.evolveum.midpoint.model.impl.lens;
import static com.evolveum.midpoint.model.api.ProgressInformation.ActivityType.FOCUS_OPERATION;
import static com.evolveum.midpoint.model.api.ProgressInformation.ActivityType.RESOURCE_OBJECT_OPERATION;
import static com.evolveum.midpoint.model.api.ProgressInformation.StateType.ENTERING;
import static com.evolveum.midpoint.prism.PrismContainerValue.asContainerables;
import static com.evolveum.midpoint.schema.internals.InternalsConfig.consistencyChecks;
import com.evolveum.midpoint.common.Clock;
import com.evolveum.midpoint.common.SynchronizationUtils;
import com.evolveum.midpoint.prism.delta.*;
import com.evolveum.midpoint.repo.api.ConflictWatcher;
import com.evolveum.midpoint.repo.api.ModificationPrecondition;
import com.evolveum.midpoint.repo.api.PreconditionViolationException;
import com.evolveum.midpoint.repo.common.expression.Expression;
import com.evolveum.midpoint.repo.common.expression.ExpressionEvaluationContext;
import com.evolveum.midpoint.repo.common.expression.ExpressionFactory;
import com.evolveum.midpoint.repo.common.expression.ExpressionUtil;
import com.evolveum.midpoint.repo.common.expression.ExpressionVariables;
import com.evolveum.midpoint.model.api.ModelAuthorizationAction;
import com.evolveum.midpoint.model.api.ModelExecuteOptions;
import com.evolveum.midpoint.model.api.ProgressInformation;
import com.evolveum.midpoint.model.api.context.SynchronizationPolicyDecision;
import com.evolveum.midpoint.model.impl.ModelObjectResolver;
import com.evolveum.midpoint.model.impl.expr.ExpressionEnvironment;
import com.evolveum.midpoint.model.impl.expr.ModelExpressionThreadLocalHolder;
import com.evolveum.midpoint.model.impl.lens.projector.credentials.CredentialsProcessor;
import com.evolveum.midpoint.model.impl.lens.projector.focus.FocusConstraintsChecker;
import com.evolveum.midpoint.model.impl.util.Utils;
import com.evolveum.midpoint.prism.*;
import com.evolveum.midpoint.prism.crypto.EncryptionException;
import com.evolveum.midpoint.prism.path.ItemPath;
import com.evolveum.midpoint.prism.xnode.PrimitiveXNode;
import com.evolveum.midpoint.provisioning.api.ProvisioningOperationOptions;
import com.evolveum.midpoint.provisioning.api.ProvisioningService;
import com.evolveum.midpoint.repo.api.RepoAddOptions;
import com.evolveum.midpoint.repo.api.RepositoryService;
import com.evolveum.midpoint.repo.api.VersionPrecondition;
import com.evolveum.midpoint.schema.GetOperationOptions;
import com.evolveum.midpoint.schema.ObjectDeltaOperation;
import com.evolveum.midpoint.schema.PointInTimeType;
import com.evolveum.midpoint.schema.ResourceShadowDiscriminator;
import com.evolveum.midpoint.schema.SelectorOptions;
import com.evolveum.midpoint.schema.constants.ObjectTypes;
import com.evolveum.midpoint.schema.constants.SchemaConstants;
import com.evolveum.midpoint.schema.internals.InternalsConfig;
import com.evolveum.midpoint.schema.result.OperationResult;
import com.evolveum.midpoint.schema.result.OperationResultStatus;
import com.evolveum.midpoint.schema.util.ShadowUtil;
import com.evolveum.midpoint.security.api.OwnerResolver;
import com.evolveum.midpoint.security.enforcer.api.AuthorizationParameters;
import com.evolveum.midpoint.security.enforcer.api.SecurityEnforcer;
import com.evolveum.midpoint.task.api.Task;
import com.evolveum.midpoint.task.api.TaskManager;
import com.evolveum.midpoint.util.DOMUtil;
import com.evolveum.midpoint.util.DebugUtil;
import com.evolveum.midpoint.util.MiscUtil;
import com.evolveum.midpoint.util.QNameUtil;
import com.evolveum.midpoint.util.exception.*;
import com.evolveum.midpoint.util.logging.LoggingUtils;
import com.evolveum.midpoint.util.logging.Trace;
import com.evolveum.midpoint.util.logging.TraceManager;
import com.evolveum.midpoint.xml.ns._public.common.common_3.*;
import com.evolveum.prism.xml.ns._public.types_3.RawType;
import org.apache.commons.lang.BooleanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.annotation.PostConstruct;
import javax.xml.bind.JAXBElement;
import javax.xml.datatype.XMLGregorianCalendar;
import javax.xml.namespace.QName;
/**
* @author semancik
*/
@Component
public class ChangeExecutor {
private static final Trace LOGGER = TraceManager.getTrace(ChangeExecutor.class);
private static final String OPERATION_EXECUTE_DELTA = ChangeExecutor.class.getName() + ".executeDelta";
private static final String OPERATION_EXECUTE = ChangeExecutor.class.getName() + ".execute";
private static final String OPERATION_EXECUTE_FOCUS = OPERATION_EXECUTE + ".focus";
private static final String OPERATION_EXECUTE_PROJECTION = OPERATION_EXECUTE + ".projection";
private static final String OPERATION_LINK_ACCOUNT = ChangeExecutor.class.getName() + ".linkShadow";
private static final String OPERATION_UNLINK_ACCOUNT = ChangeExecutor.class.getName() + ".unlinkShadow";
private static final String OPERATION_UPDATE_SITUATION_IN_SHADOW = ChangeExecutor.class.getName() + ".updateSituationInShadow";
@Autowired private transient TaskManager taskManager;
@Autowired @Qualifier("cacheRepositoryService") private transient RepositoryService cacheRepositoryService;
@Autowired private ProvisioningService provisioning;
@Autowired private PrismContext prismContext;
@Autowired private ExpressionFactory expressionFactory;
@Autowired private SecurityEnforcer securityEnforcer;
@Autowired private Clock clock;
@Autowired private ModelObjectResolver objectResolver;
@Autowired private OperationalDataManager metadataManager;
@Autowired private CredentialsProcessor credentialsProcessor;
private PrismObjectDefinition<UserType> userDefinition = null;
private PrismObjectDefinition<ShadowType> shadowDefinition = null;
@PostConstruct
private void locateDefinitions() {
userDefinition = prismContext.getSchemaRegistry()
.findObjectDefinitionByCompileTimeClass(UserType.class);
shadowDefinition = prismContext.getSchemaRegistry()
.findObjectDefinitionByCompileTimeClass(ShadowType.class);
}
// returns true if current operation has to be restarted, see
// ObjectAlreadyExistsException handling (TODO specify more exactly)
public <O extends ObjectType> boolean executeChanges(LensContext<O> context, Task task,
OperationResult parentResult) throws ObjectAlreadyExistsException, ObjectNotFoundException,
SchemaException, CommunicationException, ConfigurationException,
SecurityViolationException, ExpressionEvaluationException, PreconditionViolationException {
OperationResult result = parentResult.createSubresult(OPERATION_EXECUTE);
try {
// FOCUS
context.checkAbortRequested();
LensFocusContext<O> focusContext = context.getFocusContext();
if (focusContext != null) {
ObjectDelta<O> focusDelta = focusContext.getWaveExecutableDelta(context.getExecutionWave());
focusDelta = applyPendingObjectPolicyStateModifications(focusContext, focusDelta);
focusDelta = applyPendingAssignmentPolicyStateModifications(focusContext, focusDelta);
if (focusDelta == null && !context.hasProjectionChange()) {
LOGGER.trace("Skipping focus change execute, because user delta is null");
} else {
if (focusDelta == null) {
focusDelta = focusContext.getObjectAny().createModifyDelta();
}
ObjectPolicyConfigurationType objectPolicyConfigurationType = focusContext.getObjectPolicyConfigurationType();
applyObjectPolicy(focusContext, focusDelta, objectPolicyConfigurationType);
OperationResult subResult = result.createSubresult(
OPERATION_EXECUTE_FOCUS + "." + focusContext.getObjectTypeClass().getSimpleName());
try {
// Will remove credential deltas or hash them
focusDelta = credentialsProcessor.transformFocusExecutionDelta(context, focusDelta);
} catch (EncryptionException e) {
recordFatalError(subResult, result, null, e);
result.computeStatus();
throw new SystemException(e.getMessage(), e);
}
applyLastProvisioningTimestamp(context, focusDelta);
try {
context.reportProgress(new ProgressInformation(FOCUS_OPERATION, ENTERING));
ConflictResolutionType conflictResolution = ModelExecuteOptions
.getFocusConflictResolution(context.getOptions());
executeDelta(focusDelta, focusContext, context, null, conflictResolution, null, task, subResult);
if (focusDelta.isAdd() && focusDelta.getOid() != null) {
ConflictWatcher watcher = context
.createAndRegisterConflictWatcher(focusDelta.getOid(), cacheRepositoryService);
watcher.setExpectedVersion(focusDelta.getObjectToAdd().getVersion());
}
subResult.computeStatus();
} catch (SchemaException | ObjectNotFoundException | CommunicationException | ConfigurationException | SecurityViolationException | ExpressionEvaluationException | RuntimeException e) {
recordFatalError(subResult, result, null, e);
throw e;
} catch (PreconditionViolationException e) {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("Modification precondition failed for {}: {}", focusContext.getHumanReadableName(),
e.getMessage());
}
// TODO: fatal error if the conflict resolution is "error" (later)
result.recordHandledError(e);
throw e;
} catch (ObjectAlreadyExistsException e) {
subResult.computeStatus();
if (!subResult.isSuccess() && !subResult.isHandledError()) {
subResult.recordFatalError(e);
}
result.computeStatusComposite();
throw e;
} finally {
context.reportProgress(new ProgressInformation(FOCUS_OPERATION, subResult));
}
}
}
// PROJECTIONS
context.checkAbortRequested();
boolean restartRequested = false;
for (LensProjectionContext projCtx : context.getProjectionContexts()) {
if (projCtx.getWave() != context.getExecutionWave()) {
continue;
}
if (!projCtx.isCanProject()) {
continue;
}
// we should not get here, but just to be sure
if (projCtx.getSynchronizationPolicyDecision() == SynchronizationPolicyDecision.IGNORE) {
LOGGER.trace("Skipping ignored projection context {}", projCtx.toHumanReadableString());
continue;
}
OperationResult subResult = result.createSubresult(
OPERATION_EXECUTE_PROJECTION + "." + projCtx.getObjectTypeClass().getSimpleName());
subResult.addArbitraryObjectAsContext("discriminator", projCtx.getResourceShadowDiscriminator());
if (projCtx.getResource() != null) {
subResult.addParam("resource", projCtx.getResource());
}
PrismObject<ShadowType> shadowAfterModification = null;
try {
LOGGER.trace("Executing projection context {}", projCtx.toHumanReadableString());
context.checkAbortRequested();
context.reportProgress(new ProgressInformation(RESOURCE_OBJECT_OPERATION,
projCtx.getResourceShadowDiscriminator(), ENTERING));
executeReconciliationScript(projCtx, context, BeforeAfterType.BEFORE, task, subResult);
ObjectDelta<ShadowType> projDelta = projCtx.getExecutableDelta();
if (shouldBeDeleted(projDelta, projCtx)) {
projDelta = ObjectDelta.createDeleteDelta(projCtx.getObjectTypeClass(), projCtx.getOid(),
prismContext);
}
if (projCtx.getSynchronizationPolicyDecision() == SynchronizationPolicyDecision.BROKEN) {
if (context.getFocusContext() != null
&& context.getFocusContext().getDelta() != null
&& context.getFocusContext().getDelta().isDelete()
&& context.getOptions() != null
&& ModelExecuteOptions.isForce(context.getOptions())) {
if (projDelta == null) {
projDelta = ObjectDelta.createDeleteDelta(projCtx.getObjectTypeClass(),
projCtx.getOid(), prismContext);
}
}
if (projDelta != null && projDelta.isDelete()) {
shadowAfterModification = executeDelta(projDelta, projCtx, context, null, null, projCtx.getResource(), task,
subResult);
}
} else {
if (projDelta == null || projDelta.isEmpty()) {
if (LOGGER.isTraceEnabled()) {
LOGGER.trace("No change for " + projCtx.getResourceShadowDiscriminator());
}
shadowAfterModification = projCtx.getObjectCurrent();
if (focusContext != null) {
updateLinks(focusContext, projCtx, shadowAfterModification, task, subResult);
}
// Make sure post-reconcile delta is always executed,
// even if there is no change
executeReconciliationScript(projCtx, context, BeforeAfterType.AFTER, task,
subResult);
subResult.computeStatus();
subResult.recordNotApplicableIfUnknown();
continue;
} else if (projDelta.isDelete() && projCtx.getResourceShadowDiscriminator() != null
&& projCtx.getResourceShadowDiscriminator().getOrder() > 0) {
// HACK ... for higher-order context check if this was
// already deleted
LensProjectionContext lowerOrderContext = LensUtil.findLowerOrderContext(context,
projCtx);
if (lowerOrderContext != null && lowerOrderContext.isDelete()) {
// We assume that this was already executed
subResult.setStatus(OperationResultStatus.NOT_APPLICABLE);
continue;
}
}
shadowAfterModification = executeDelta(projDelta, projCtx, context, null, null, projCtx.getResource(), task, subResult);
}
subResult.computeStatus();
if (focusContext != null) {
updateLinks(focusContext, projCtx, shadowAfterModification, task, subResult);
}
executeReconciliationScript(projCtx, context, BeforeAfterType.AFTER, task, subResult);
subResult.computeStatus();
subResult.recordNotApplicableIfUnknown();
} catch (SchemaException | ObjectNotFoundException | PreconditionViolationException | CommunicationException |
ConfigurationException | SecurityViolationException | ExpressionEvaluationException | RuntimeException | Error e) {
recordProjectionExecutionException(e, projCtx, subResult, SynchronizationPolicyDecision.BROKEN);
// We still want to update the links here. E.g. this may be live sync case where we discovered new account
// try to reconcile, but the reconciliation fails. We still want this shadow linked to user.
if (focusContext != null) {
updateLinks(focusContext, projCtx, shadowAfterModification, task, subResult);
}
} catch (ObjectAlreadyExistsException e) {
// check if this is a repeated attempt - OAEE was not handled
// correctly, e.g. if creating "Users" user in AD, whereas
// "Users" is SAM Account Name which is used by a built-in group
// - in such case, mark the context as broken
if (isRepeatedAlreadyExistsException(projCtx)) {
LOGGER.debug("Repeated ObjectAlreadyExistsException detected, marking projection {} as broken", projCtx.toHumanReadableString());
recordProjectionExecutionException(e, projCtx, subResult,
SynchronizationPolicyDecision.BROKEN);
continue;
}
// in his case we do not need to set account context as
// broken, instead we need to restart projector for this
// context to recompute new account or find out if the
// account was already linked..
// and also do not set fatal error to the operation result, this
// is a special case
// if it is fatal, it will be set later
// but we need to set some result
subResult.recordSuccess();
restartRequested = true;
LOGGER.debug("ObjectAlreadyExistsException for projection {}, requesting projector restart", projCtx.toHumanReadableString());
// we will process remaining projections when retrying the wave
break;
} finally {
context.reportProgress(new ProgressInformation(RESOURCE_OBJECT_OPERATION,
projCtx.getResourceShadowDiscriminator(), subResult));
}
}
// Result computation here needs to be slightly different
result.computeStatusComposite();
return restartRequested;
} catch (Throwable t) {
result.recordThrowableIfNeeded(t); // last resort: to avoid UNKNOWN subresults
throw t;
}
}
private <O extends ObjectType> ObjectDelta<O> applyPendingObjectPolicyStateModifications(LensFocusContext<O> focusContext,
ObjectDelta<O> focusDelta) throws SchemaException {
for (ItemDelta<?, ?> itemDelta : focusContext.getPendingObjectPolicyStateModifications()) {
focusDelta = focusContext.swallowToDelta(focusDelta, itemDelta);
}
focusContext.clearPendingObjectPolicyStateModifications();
return focusDelta;
}
private <O extends ObjectType> ObjectDelta<O> applyPendingAssignmentPolicyStateModifications(LensFocusContext<O> focusContext, ObjectDelta<O> focusDelta)
throws SchemaException {
for (Map.Entry<AssignmentSpec, List<ItemDelta<?, ?>>> entry : focusContext
.getPendingAssignmentPolicyStateModifications().entrySet()) {
PlusMinusZero mode = entry.getKey().mode;
if (mode == PlusMinusZero.MINUS) {
continue; // this assignment is being thrown out anyway, so let's ignore it (at least for now)
}
AssignmentType assignmentToFind = entry.getKey().assignment;
List<ItemDelta<?, ?>> modifications = entry.getValue();
if (modifications.isEmpty()) {
continue;
}
LOGGER.trace("Applying policy state modifications for {} ({}):\n{}", assignmentToFind, mode,
DebugUtil.debugDumpLazily(modifications));
if (mode == PlusMinusZero.ZERO) {
if (assignmentToFind.getId() == null) {
throw new IllegalStateException("Existing assignment with null id: " + assignmentToFind);
}
for (ItemDelta<?, ?> modification : modifications) {
focusDelta = focusContext.swallowToDelta(focusDelta, modification);
}
} else {
assert mode == PlusMinusZero.PLUS;
if (focusDelta != null && focusDelta.isAdd()) {
swallowIntoValues(((FocusType) focusDelta.getObjectToAdd().asObjectable()).getAssignment(),
assignmentToFind, modifications);
} else {
ContainerDelta<AssignmentType> assignmentDelta = focusDelta != null ?
focusDelta.findContainerDelta(FocusType.F_ASSIGNMENT) : null;
if (assignmentDelta == null) {
throw new IllegalStateException(
"We have 'plus' assignment to modify but there's no assignment delta. Assignment="
+ assignmentToFind + ", objectDelta=" + focusDelta);
}
if (assignmentDelta.isReplace()) {
swallowIntoValues(asContainerables(assignmentDelta.getValuesToReplace()), assignmentToFind,
modifications);
} else if (assignmentDelta.isAdd()) {
swallowIntoValues(asContainerables(assignmentDelta.getValuesToAdd()), assignmentToFind,
modifications);
} else {
throw new IllegalStateException(
"We have 'plus' assignment to modify but there're no values to add or replace in assignment delta. Assignment="
+ assignmentToFind + ", objectDelta=" + focusDelta);
}
}
}
}
focusContext.clearPendingAssignmentPolicyStateModifications();
return focusDelta;
}
private void swallowIntoValues(Collection<AssignmentType> assignments, AssignmentType assignmentToFind, List<ItemDelta<?, ?>> modifications)
throws SchemaException {
for (AssignmentType assignment : assignments) {
PrismContainerValue<?> pcv = assignment.asPrismContainerValue();
PrismContainerValue<?> pcvToFind = assignmentToFind.asPrismContainerValue();
if (pcv.representsSameValue(pcvToFind, false) || pcv.equalsRealValue(pcvToFind)) {
// TODO what if ID of the assignment being added is changed in repo? Hopefully it will be not.
for (ItemDelta<?, ?> modification : modifications) {
ItemPath newParentPath = modification.getParentPath().rest().rest(); // killing assignment + ID
ItemDelta<?, ?> pathRelativeModification = modification.cloneWithChangedParentPath(newParentPath);
pathRelativeModification.applyTo(pcv);
}
return;
}
}
// TODO change to warning
throw new IllegalStateException("We have 'plus' assignment to modify but it couldn't be found in assignment delta. Assignment=" + assignmentToFind + ", new assignments=" + assignments);
}
private <O extends ObjectType> void applyLastProvisioningTimestamp(LensContext<O> context, ObjectDelta<O> focusDelta) throws SchemaException {
if (!context.hasProjectionChange()) {
return;
}
if (focusDelta.isAdd()) {
PrismObject<O> objectToAdd = focusDelta.getObjectToAdd();
PrismContainer<MetadataType> metadataContainer = objectToAdd.findOrCreateContainer(ObjectType.F_METADATA);
metadataContainer.getValue().asContainerable().setLastProvisioningTimestamp(clock.currentTimeXMLGregorianCalendar());
} else if (focusDelta.isModify()) {
PropertyDelta<XMLGregorianCalendar> provTimestampDelta = PropertyDelta.createModificationReplaceProperty(
new ItemPath(ObjectType.F_METADATA, MetadataType.F_LAST_PROVISIONING_TIMESTAMP),
context.getFocusContext().getObjectDefinition(),
clock.currentTimeXMLGregorianCalendar());
focusDelta.addModification(provTimestampDelta);
}
}
private boolean shouldBeDeleted(ObjectDelta<ShadowType> accDelta, LensProjectionContext accCtx) {
return (accDelta == null || accDelta.isEmpty())
&& (accCtx.getSynchronizationPolicyDecision() == SynchronizationPolicyDecision.DELETE
|| accCtx.getSynchronizationIntent() == SynchronizationIntent.DELETE);
}
private <O extends ObjectType> boolean isRepeatedAlreadyExistsException(
LensProjectionContext projContext) {
int deltas = projContext.getExecutedDeltas().size();
LOGGER.trace("isRepeatedAlreadyExistsException starting; number of executed deltas = {}", deltas);
if (deltas < 2) {
return false;
}
LensObjectDeltaOperation<ShadowType> lastDeltaOp = projContext.getExecutedDeltas().get(deltas - 1);
LensObjectDeltaOperation<ShadowType> previousDeltaOp = projContext.getExecutedDeltas()
.get(deltas - 2);
// TODO check also previous execution result to see if it's
// AlreadyExistException?
ObjectDelta<ShadowType> lastDelta = lastDeltaOp.getObjectDelta();
ObjectDelta<ShadowType> previousDelta = previousDeltaOp.getObjectDelta();
boolean rv;
if (lastDelta.isAdd() && previousDelta.isAdd()) {
rv = isEquivalentAddDelta(lastDelta.getObjectToAdd(), previousDelta.getObjectToAdd());
} else if (lastDelta.isModify() && previousDelta.isModify()) {
rv = isEquivalentModifyDelta(lastDelta.getModifications(), previousDelta.getModifications());
} else {
rv = false;
}
LOGGER.trace(
"isRepeatedAlreadyExistsException returning {}; based of comparison of previousDelta:\n{}\nwith lastDelta:\n{}",
rv, previousDelta, lastDelta);
return rv;
}
private boolean isEquivalentModifyDelta(Collection<? extends ItemDelta<?, ?>> modifications1,
Collection<? extends ItemDelta<?, ?>> modifications2) {
Collection<? extends ItemDelta<?, ?>> attrDeltas1 = ItemDelta.findItemDeltasSubPath(modifications1,
new ItemPath(ShadowType.F_ATTRIBUTES));
Collection<? extends ItemDelta<?, ?>> attrDeltas2 = ItemDelta.findItemDeltasSubPath(modifications2,
new ItemPath(ShadowType.F_ATTRIBUTES));
return MiscUtil.unorderedCollectionEquals(attrDeltas1, attrDeltas2);
}
private boolean isEquivalentAddDelta(PrismObject<ShadowType> object1, PrismObject<ShadowType> object2) {
PrismContainer attributes1 = object1.findContainer(ShadowType.F_ATTRIBUTES);
PrismContainer attributes2 = object2.findContainer(ShadowType.F_ATTRIBUTES);
if (attributes1 == null || attributes2 == null || attributes1.size() != 1
|| attributes2.size() != 1) { // suspicious cases
return false;
}
return attributes1.getValue().equivalent(attributes2.getValue());
}
private <O extends ObjectType> void applyObjectPolicy(LensFocusContext<O> focusContext,
ObjectDelta<O> focusDelta, ObjectPolicyConfigurationType objectPolicyConfigurationType) {
if (objectPolicyConfigurationType == null) {
return;
}
PrismObject<O> objectNew = focusContext.getObjectNew();
if (focusDelta.isAdd() && objectNew.getOid() == null) {
for (PropertyConstraintType propertyConstraintType : objectPolicyConfigurationType
.getPropertyConstraint()) {
if (BooleanUtils.isTrue(propertyConstraintType.isOidBound())) {
ItemPath itemPath = propertyConstraintType.getPath().getItemPath();
PrismProperty<Object> prop = objectNew.findProperty(itemPath);
String stringValue = prop.getRealValue().toString();
focusContext.setOid(stringValue);
}
}
// deprecated
if (BooleanUtils.isTrue(objectPolicyConfigurationType.isOidNameBoundMode())) {
String name = objectNew.asObjectable().getName().getOrig();
focusContext.setOid(name);
}
}
}
private <P extends ObjectType> void recordProjectionExecutionException(Throwable e,
LensProjectionContext accCtx, OperationResult subResult, SynchronizationPolicyDecision decision) {
subResult.recordFatalError(e);
LOGGER.error("Error executing changes for {}: {}", accCtx.toHumanReadableString(), e.getMessage(), e);
if (decision != null) {
accCtx.setSynchronizationPolicyDecision(decision);
}
}
private void recordFatalError(OperationResult subResult, OperationResult result, String message,
Throwable e) {
if (message == null) {
message = e.getMessage();
}
subResult.recordFatalError(e);
if (result != null) {
result.computeStatusComposite();
}
}
/**
* Make sure that the account is linked (or unlinked) as needed.
*/
private <O extends ObjectType, F extends FocusType> void updateLinks(
LensFocusContext<O> focusObjectContext, LensProjectionContext projCtx,
PrismObject<ShadowType> shadowAfterModification,
Task task, OperationResult result) throws ObjectNotFoundException, SchemaException {
if (focusObjectContext == null) {
return;
}
Class<O> objectTypeClass = focusObjectContext.getObjectTypeClass();
if (!FocusType.class.isAssignableFrom(objectTypeClass)) {
return;
}
LensFocusContext<F> focusContext = (LensFocusContext<F>) focusObjectContext;
if (projCtx.getResourceShadowDiscriminator() != null
&& projCtx.getResourceShadowDiscriminator().getOrder() > 0) {
// Don't mess with links for higher-order contexts. The link should
// be dealt with
// during processing of zero-order context.
return;
}
String projOid = projCtx.getOid();
if (projOid == null) {
if (projCtx.getSynchronizationPolicyDecision() == SynchronizationPolicyDecision.BROKEN) {
// This seems to be OK. In quite a strange way, but still OK.
return;
}
LOGGER.error("Projection {} has null OID, this should not happen, context:\n{}", projCtx.toHumanReadableString(), projCtx.debugDump());
throw new IllegalStateException("Projection "+projCtx.toHumanReadableString()+" has null OID, this should not happen");
}
if (linkShouldExist(projCtx, shadowAfterModification, result)) {
// Link should exist
PrismObject<F> objectCurrent = focusContext.getObjectCurrent();
if (objectCurrent != null) {
for (ObjectReferenceType linkRef : objectCurrent.asObjectable().getLinkRef()) {
if (projOid.equals(linkRef.getOid())) {
// Already linked, nothing to do, only be sure, the
// situation is set with the good value
LOGGER.trace("Updating situation in already linked shadow.");
updateSituationInShadow(task, SynchronizationSituationType.LINKED, focusObjectContext,
projCtx, result);
return;
}
}
}
// Not linked, need to link
linkShadow(focusContext.getOid(), projOid, focusObjectContext, projCtx, task, result);
// be sure, that the situation is set correctly
LOGGER.trace("Updating situation after shadow was linked.");
updateSituationInShadow(task, SynchronizationSituationType.LINKED, focusObjectContext, projCtx,
result);
} else {
// Link should NOT exist
if (!focusContext.isDelete()) {
PrismObject<F> objectCurrent = focusContext.getObjectCurrent();
// it is possible that objectCurrent is null (and objectNew is
// non-null), in case of User ADD operation (MID-2176)
if (objectCurrent != null) {
PrismReference linkRef = objectCurrent.findReference(FocusType.F_LINK_REF);
if (linkRef != null) {
for (PrismReferenceValue linkRefVal : linkRef.getValues()) {
if (linkRefVal.getOid().equals(projOid)) {
// Linked, need to unlink
unlinkShadow(focusContext.getOid(), linkRefVal, focusObjectContext, projCtx,
task, result);
}
}
}
}
}
// This should NOT be UNLINKED. We just do not know the
// situation here. Reflect that in the shadow.
LOGGER.trace("Resource object {} unlinked from the user, updating also situation in shadow.",
projOid);
updateSituationInShadow(task, null, focusObjectContext, projCtx, result);
// Not linked, that's OK
}
}
private boolean linkShouldExist(LensProjectionContext projCtx, PrismObject<ShadowType> shadowAfterModification, OperationResult result) {
if (!projCtx.isShadowExistsInRepo()) {
// Nothing to link to
return false;
}
if (projCtx.getSynchronizationPolicyDecision() == SynchronizationPolicyDecision.UNLINK) {
return false;
}
if (isEmptyThombstone(projCtx)) {
return false;
}
if (projCtx.getSynchronizationPolicyDecision() == SynchronizationPolicyDecision.DELETE
|| projCtx.isDelete()) {
return shadowAfterModification != null;
}
if (projCtx.hasPendingOperations()) {
return true;
}
return true;
}
/**
* Return true if this projection is just a linkRef that points to no
* shadow.
*/
private boolean isEmptyThombstone(LensProjectionContext projCtx) {
return projCtx.getResourceShadowDiscriminator() != null
&& projCtx.getResourceShadowDiscriminator().isTombstone()
&& projCtx.getObjectCurrent() == null;
}
private <F extends ObjectType> void linkShadow(String userOid, String shadowOid,
LensElementContext<F> focusContext, LensProjectionContext projCtx, Task task,
OperationResult parentResult) throws ObjectNotFoundException, SchemaException {
Class<F> typeClass = focusContext.getObjectTypeClass();
if (!FocusType.class.isAssignableFrom(typeClass)) {
return;
}
String channel = focusContext.getLensContext().getChannel();
LOGGER.debug("Linking shadow " + shadowOid + " to focus " + userOid);
OperationResult result = parentResult.createSubresult(OPERATION_LINK_ACCOUNT);
PrismReferenceValue linkRef = new PrismReferenceValue();
linkRef.setOid(shadowOid);
linkRef.setTargetType(ShadowType.COMPLEX_TYPE);
Collection<? extends ItemDelta> linkRefDeltas = ReferenceDelta
.createModificationAddCollection(FocusType.F_LINK_REF, getUserDefinition(), linkRef);
try {
cacheRepositoryService.modifyObject(typeClass, userOid, linkRefDeltas, result);
task.recordObjectActionExecuted(focusContext.getObjectAny(), typeClass, userOid,
ChangeType.MODIFY, channel, null);
} catch (ObjectAlreadyExistsException ex) {
task.recordObjectActionExecuted(focusContext.getObjectAny(), typeClass, userOid,
ChangeType.MODIFY, channel, ex);
throw new SystemException(ex);
} catch (Throwable t) {
task.recordObjectActionExecuted(focusContext.getObjectAny(), typeClass, userOid,
ChangeType.MODIFY, channel, t);
throw t;
} finally {
result.computeStatus();
ObjectDelta<F> userDelta = ObjectDelta.createModifyDelta(userOid, linkRefDeltas, typeClass,
prismContext);
LensObjectDeltaOperation<F> userDeltaOp = LensUtil.createObjectDeltaOperation(userDelta, result,
focusContext, projCtx);
focusContext.addToExecutedDeltas(userDeltaOp);
}
}
private PrismObjectDefinition<UserType> getUserDefinition() {
return userDefinition;
}
private <F extends ObjectType> void unlinkShadow(String focusOid, PrismReferenceValue accountRef,
LensElementContext<F> focusContext, LensProjectionContext projCtx, Task task,
OperationResult parentResult) throws ObjectNotFoundException, SchemaException {
Class<F> typeClass = focusContext.getObjectTypeClass();
if (!FocusType.class.isAssignableFrom(typeClass)) {
return;
}
String channel = focusContext.getLensContext().getChannel();
LOGGER.debug("Unlinking shadow " + accountRef.getOid() + " from focus " + focusOid);
OperationResult result = parentResult.createSubresult(OPERATION_UNLINK_ACCOUNT);
Collection<? extends ItemDelta> accountRefDeltas = ReferenceDelta.createModificationDeleteCollection(
FocusType.F_LINK_REF, getUserDefinition(), accountRef.clone());
try {
cacheRepositoryService.modifyObject(typeClass, focusOid, accountRefDeltas, result);
task.recordObjectActionExecuted(focusContext.getObjectAny(), typeClass, focusOid,
ChangeType.MODIFY, channel, null);
} catch (ObjectAlreadyExistsException ex) {
task.recordObjectActionExecuted(focusContext.getObjectAny(), typeClass, focusOid,
ChangeType.MODIFY, channel, ex);
result.recordFatalError(ex);
throw new SystemException(ex);
} catch (Throwable t) {
task.recordObjectActionExecuted(focusContext.getObjectAny(), typeClass, focusOid,
ChangeType.MODIFY, channel, t);
throw t;
} finally {
result.computeStatus();
ObjectDelta<F> userDelta = ObjectDelta.createModifyDelta(focusOid, accountRefDeltas, typeClass,
prismContext);
LensObjectDeltaOperation<F> userDeltaOp = LensUtil.createObjectDeltaOperation(userDelta, result,
focusContext, projCtx);
focusContext.addToExecutedDeltas(userDeltaOp);
}
}
private <F extends ObjectType> void updateSituationInShadow(Task task,
SynchronizationSituationType newSituation, LensFocusContext<F> focusContext,
LensProjectionContext projectionCtx, OperationResult parentResult)
throws ObjectNotFoundException, SchemaException {
String projectionOid = projectionCtx.getOid();
OperationResult result = parentResult.createMinorSubresult(OPERATION_UPDATE_SITUATION_IN_SHADOW);
result.addArbitraryObjectAsParam("situation", newSituation);
result.addParam("accountRef", projectionOid);
PrismObject<ShadowType> currentShadow = null;
GetOperationOptions getOptions = GetOperationOptions.createNoFetch();
getOptions.setAllowNotFound(true);
try {
currentShadow = provisioning.getObject(ShadowType.class, projectionOid,
SelectorOptions.createCollection(getOptions), task, result);
} catch (Exception ex) {
LOGGER.trace("Problem with getting account, skipping modifying situation in account.");
result.recordHandledError(ex);
return;
}
SynchronizationSituationType currentSynchronizationSituation = currentShadow.asObjectable().getSynchronizationSituation();
if (SynchronizationSituationType.DELETED.equals(currentSynchronizationSituation) && ShadowUtil.isDead(currentShadow.asObjectable())) {
LOGGER.trace("Skipping update of synchronization situation for deleted dead shadow");
result.recordSuccess();
return;
}
// TODO: can we skip the update or cannot we? Do we always need to update sync timestamp?
// if (newSituation.equals(currentSynchronizationSituation)) {
// LOGGER.trace("Skipping update of synchronization situation because there is no change ({})", currentSynchronizationSituation);
// result.recordSuccess();
// return;
// }
// LOGGER.trace("Updating synchronization situation {} -> {}", currentSynchronizationSituation, newSituation);
XMLGregorianCalendar now = clock.currentTimeXMLGregorianCalendar();
List<PropertyDelta<?>> syncSituationDeltas = SynchronizationUtils
.createSynchronizationSituationAndDescriptionDelta(currentShadow, newSituation, task.getChannel(),
projectionCtx.hasFullShadow(), now);
try {
Utils.setRequestee(task, focusContext);
ProvisioningOperationOptions options = ProvisioningOperationOptions.createCompletePostponed(false);
options.setDoNotDiscovery(true);
provisioning.modifyObject(ShadowType.class, projectionOid, syncSituationDeltas, null, options, task, result);
projectionCtx.setSynchronizationSituationResolved(newSituation);
LOGGER.trace("Situation in projection {} was updated to {}.", projectionCtx, newSituation);
} catch (ObjectNotFoundException ex) {
// if the object not found exception is thrown, it's ok..probably
// the account was deleted by previous execution of changes..just
// log in the trace the message for the user..
LOGGER.debug(
"Situation in account could not be updated. Account not found on the resource. Skipping modifying situation in account");
return;
} catch (Exception ex) {
result.recordFatalError(ex);
throw new SystemException(ex.getMessage(), ex);
} finally {
Utils.clearRequestee(task);
}
// if everything is OK, add result of the situation modification to the
// parent result
result.recordSuccess();
}
/**
* @return Returns estimate of the object after modification. Or null if the object was deleted.
* NOTE: this is only partially implemented (only for shadow delete).
*/
private <T extends ObjectType, F extends ObjectType> PrismObject<T> executeDelta(ObjectDelta<T> objectDelta,
LensElementContext<T> objectContext, LensContext<F> context, ModelExecuteOptions options,
ConflictResolutionType conflictResolution, ResourceType resource, Task task, OperationResult parentResult)
throws ObjectAlreadyExistsException, ObjectNotFoundException, SchemaException,
CommunicationException, ConfigurationException, SecurityViolationException,
ExpressionEvaluationException, PreconditionViolationException {
if (objectDelta == null) {
throw new IllegalArgumentException("Null change");
}
if (objectDelta.getOid() == null) {
objectDelta.setOid(objectContext.getOid());
}
objectDelta = computeDeltaToExecute(objectDelta, objectContext);
if (LOGGER.isTraceEnabled()) {
LOGGER.trace("computeDeltaToExecute returned:\n{}",
objectDelta != null ? objectDelta.debugDump(1) : "(null)");
}
if (objectDelta == null || objectDelta.isEmpty()) {
LOGGER.debug("Skipping execution of delta because it was already executed: {}", objectContext);
return objectContext.getObjectCurrent();
}
if (InternalsConfig.consistencyChecks) {
objectDelta.checkConsistence(ConsistencyCheckScope.fromBoolean(consistencyChecks));
}
// Other types than focus types may not be definition-complete (e.g.
// accounts and resources are completed in provisioning)
if (FocusType.class.isAssignableFrom(objectDelta.getObjectTypeClass())) {
objectDelta.assertDefinitions();
}
LensUtil.setDeltaOldValue(objectContext, objectDelta);
if (LOGGER.isTraceEnabled()) {
logDeltaExecution(objectDelta, context, resource, null, task);
}
OperationResult result = parentResult.createSubresult(OPERATION_EXECUTE_DELTA);
PrismObject<T> objectAfterModification = null;
try {
if (objectDelta.getChangeType() == ChangeType.ADD) {
executeAddition(objectDelta, context, objectContext, options, resource, task, result);
} else if (objectDelta.getChangeType() == ChangeType.MODIFY) {
executeModification(objectDelta, context, objectContext, options, conflictResolution, resource, task, result);
} else if (objectDelta.getChangeType() == ChangeType.DELETE) {
objectAfterModification = executeDeletion(objectDelta, context, objectContext, options, resource, task, result);
}
// To make sure that the OID is set (e.g. after ADD operation)
LensUtil.setContextOid(context, objectContext, objectDelta.getOid());
} finally {
result.computeStatus();
if (objectContext != null) {
if (!objectDelta.hasCompleteDefinition()) {
throw new SchemaException("object delta does not have complete definition");
}
LensObjectDeltaOperation<T> objectDeltaOp = LensUtil.createObjectDeltaOperation(
objectDelta.clone(), result, objectContext, null, resource);
if (LOGGER.isTraceEnabled()) {
LOGGER.trace("Recording executed delta:\n{}", objectDeltaOp.shorterDebugDump(1));
}
objectContext.addToExecutedDeltas(objectDeltaOp);
}
if (LOGGER.isDebugEnabled()) {
if (LOGGER.isTraceEnabled()) {
LOGGER.trace("EXECUTION result {}", result.getLastSubresult());
} else {
// Execution of deltas was not logged yet
logDeltaExecution(objectDelta, context, resource, result.getLastSubresult(), task);
}
}
}
return objectAfterModification;
}
private <T extends ObjectType, F extends FocusType> void removeExecutedItemDeltas(
ObjectDelta<T> objectDelta, LensElementContext<T> objectContext) {
if (objectContext == null) {
return;
}
if (objectDelta == null || objectDelta.isEmpty()) {
return;
}
if (objectDelta.getModifications() == null || objectDelta.getModifications().isEmpty()) {
return;
}
List<LensObjectDeltaOperation<T>> executedDeltas = objectContext.getExecutedDeltas();
for (LensObjectDeltaOperation<T> executedDelta : executedDeltas) {
ObjectDelta<T> executed = executedDelta.getObjectDelta();
Iterator<? extends ItemDelta> objectDeltaIterator = objectDelta.getModifications().iterator();
while (objectDeltaIterator.hasNext()) {
ItemDelta d = objectDeltaIterator.next();
if (executed.containsModification(d, true, true) || d.isEmpty()) {
objectDeltaIterator.remove();
}
}
}
}
// TODO beware - what if the delta was executed but not successfully?
private <T extends ObjectType, F extends FocusType> boolean alreadyExecuted(ObjectDelta<T> objectDelta,
LensElementContext<T> objectContext) {
if (objectContext == null) {
return false;
}
if (LOGGER.isTraceEnabled()) {
LOGGER.trace("Checking for already executed delta:\n{}\nIn deltas:\n{}", objectDelta.debugDump(),
DebugUtil.debugDump(objectContext.getExecutedDeltas()));
}
return ObjectDeltaOperation.containsDelta(objectContext.getExecutedDeltas(), objectDelta);
}
/**
* Was this object already added? (temporary method, should be removed soon)
*/
private <T extends ObjectType> boolean wasAdded(List<LensObjectDeltaOperation<T>> executedOperations,
String oid) {
for (LensObjectDeltaOperation operation : executedOperations) {
if (operation.getObjectDelta().isAdd() && oid.equals(operation.getObjectDelta().getOid())
&& !operation.getExecutionResult().isFatalError()) {
return true;