/**
* Test entry.
*
* @throws Exception If the test failed unexpectedly.
*/
@Test()
public void testEntryToAndFromDatabase() throws Exception {
// Make sure that the server is up and running.
TestCaseUtils.startServer();
// Convert the test LDIF string to a byte array
byte[] originalLDIFBytes = StaticUtils.getBytes(ldifString);
LDIFReader reader =
new LDIFReader(new LDIFImportConfig(new ByteArrayInputStream(originalLDIFBytes)));
Entry entryBefore, entryAfter;
while ((entryBefore = reader.readEntry(false)) != null) {
ByteString bytes = ID2Entry.entryToDatabase(entryBefore, new DataConfig(false, false, null));
entryAfter = ID2Entry.entryFromDatabase(bytes, DirectoryServer.getDefaultCompressedSchema());
// check DN and number of attributes
assertEquals(entryBefore.getAttributes().size(), entryAfter.getAttributes().size());
assertEquals(entryBefore.getDN(), entryAfter.getDN());
// check the object classes were not changed
for (String ocBefore : entryBefore.getObjectClasses().values()) {
ObjectClass objectClass = DirectoryServer.getObjectClass(ocBefore.toLowerCase());
if (objectClass == null) {
objectClass = DirectoryServer.getDefaultObjectClass(ocBefore);
}
String ocAfter = entryAfter.getObjectClasses().get(objectClass);
assertEquals(ocBefore, ocAfter);
}
// check the user attributes were not changed
for (AttributeType attrType : entryBefore.getUserAttributes().keySet()) {
List<Attribute> listBefore = entryBefore.getAttribute(attrType);
List<Attribute> listAfter = entryAfter.getAttribute(attrType);
assertTrue(listAfter != null);
assertEquals(listBefore.size(), listAfter.size());
for (Attribute attrBefore : listBefore) {
boolean found = false;
for (Attribute attrAfter : listAfter) {
if (attrAfter.optionsEqual(attrBefore.getOptions())) {
// Found the corresponding attribute
assertEquals(attrBefore, attrAfter);
found = true;
}
}
assertTrue(found);
}
}
}
reader.close();
}
/**
* Checks to see if a LDAP modification is allowed access.
*
* @param container The structure containing the LDAP modifications
* @param operation The operation to check modify privileges on. operation to check and the
* evaluation context to apply the check against.
* @param skipAccessCheck True if access checking should be skipped.
* @return True if access is allowed.
* @throws DirectoryException If a modified ACI could not be decoded.
*/
private boolean aciCheckMods(
AciLDAPOperationContainer container,
LocalBackendModifyOperation operation,
boolean skipAccessCheck)
throws DirectoryException {
Entry resourceEntry = container.getResourceEntry();
DN dn = resourceEntry.getDN();
List<Modification> modifications = operation.getModifications();
for (Modification m : modifications) {
Attribute modAttr = m.getAttribute();
AttributeType modAttrType = modAttr.getAttributeType();
if (modAttrType.equals(aciType)) {
/*
* Check that the operation has modify privileges if it contains
* an "aci" attribute type.
*/
if (!operation.getClientConnection().hasPrivilege(Privilege.MODIFY_ACL, operation)) {
Message message =
INFO_ACI_MODIFY_FAILED_PRIVILEGE.get(
String.valueOf(container.getResourceDN()),
String.valueOf(container.getClientDN()));
logError(message);
return false;
}
}
// This access check handles the case where all attributes of this
// type are being replaced or deleted. If only a subset is being
// deleted than this access check is skipped.
ModificationType modType = m.getModificationType();
if (((modType == ModificationType.DELETE) && modAttr.isEmpty())
|| ((modType == ModificationType.REPLACE) || (modType == ModificationType.INCREMENT))) {
/*
* Check if we have rights to delete all values of an attribute
* type in the resource entry.
*/
if (resourceEntry.hasAttribute(modAttrType)) {
container.setCurrentAttributeType(modAttrType);
List<Attribute> attrList = resourceEntry.getAttribute(modAttrType, modAttr.getOptions());
if (attrList != null) {
for (Attribute a : attrList) {
for (AttributeValue v : a) {
container.setCurrentAttributeValue(v);
container.setRights(ACI_WRITE_DELETE);
if (!skipAccessCheck && !accessAllowed(container)) {
return false;
}
}
}
}
}
}
if (!modAttr.isEmpty()) {
for (AttributeValue v : modAttr) {
container.setCurrentAttributeType(modAttrType);
switch (m.getModificationType()) {
case ADD:
case REPLACE:
container.setCurrentAttributeValue(v);
container.setRights(ACI_WRITE_ADD);
if (!skipAccessCheck && !accessAllowed(container)) {
return false;
}
break;
case DELETE:
container.setCurrentAttributeValue(v);
container.setRights(ACI_WRITE_DELETE);
if (!skipAccessCheck && !accessAllowed(container)) {
return false;
}
break;
case INCREMENT:
Entry modifiedEntry = operation.getModifiedEntry();
List<Attribute> modifiedAttrs =
modifiedEntry.getAttribute(modAttrType, modAttr.getOptions());
if (modifiedAttrs != null) {
for (Attribute attr : modifiedAttrs) {
for (AttributeValue val : attr) {
container.setCurrentAttributeValue(val);
container.setRights(ACI_WRITE_ADD);
if (!skipAccessCheck && !accessAllowed(container)) {
return false;
}
}
}
}
break;
}
/*
* Check if the modification type has an "aci" attribute type.
* If so, check the syntax of that attribute value. Fail the
* the operation if the syntax check fails.
*/
if (modAttrType.equals(aciType) || modAttrType.equals(globalAciType)) {
try {
// A global ACI needs a NULL DN, not the DN of the
// modification.
if (modAttrType.equals(globalAciType)) {
dn = DN.nullDN();
}
Aci.decode(v.getValue(), dn);
} catch (AciException ex) {
Message message =
WARN_ACI_MODIFY_FAILED_DECODE.get(String.valueOf(dn), ex.getMessage());
throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message);
}
}
}
}
}
return true;
}
/**
* Process a delete attribute values that is conflicting with a previous modification.
*
* @param csn The CSN of the currently processed change
* @param m the modification that is being processed
* @param modifiedEntry the entry that is modified (before current mod)
* @return false if there is nothing to do
*/
private boolean conflictDelete(CSN csn, Modification m, Entry modifiedEntry) {
/*
* We are processing a conflicting DELETE modification
*
* This code is written on the assumption that conflict are
* rare. We therefore don't care much about the performance
* However since it is rarely executed this code needs to be
* as simple as possible to make sure that all paths are tested.
* In this case the most simple seem to change the DELETE
* in a REPLACE modification that keeps all values
* more recent that the DELETE.
* we are therefore going to change m into a REPLACE that will keep
* all the values that have been updated after the DELETE time
* If a value is present in the entry without any state information
* it must be removed so we simply ignore them
*/
Attribute modAttr = m.getAttribute();
if (modAttr.isEmpty()) {
/*
* We are processing a DELETE attribute modification
*/
m.setModificationType(ModificationType.REPLACE);
AttributeBuilder builder = new AttributeBuilder(modAttr, true);
Iterator<AttrValueHistorical> it = valuesHist.keySet().iterator();
while (it.hasNext()) {
AttrValueHistorical valInfo = it.next();
if (csn.isOlderThan(valInfo.getValueUpdateTime())) {
/*
* this value has been updated after this delete, therefore
* this value must be kept
*/
builder.add(valInfo.getAttributeValue());
} else {
/*
* this value is going to be deleted, remove it from historical
* information unless it is a Deleted attribute value that is
* more recent than this DELETE
*/
if (csn.isNewerThanOrEqualTo(valInfo.getValueDeleteTime())) {
it.remove();
}
}
}
m.setAttribute(builder.toAttribute());
if (csn.isNewerThan(getDeleteTime())) {
deleteTime = csn;
}
if (csn.isNewerThan(getLastUpdateTime())) {
lastUpdateTime = csn;
}
} else {
// we are processing DELETE of some attribute values
AttributeBuilder builder = new AttributeBuilder(modAttr);
for (ByteString val : modAttr) {
boolean deleteIt = true; // true if the delete must be done
boolean addedInCurrentOp = false;
/* update historical information */
AttrValueHistorical valInfo = new AttrValueHistorical(val, null, csn);
AttrValueHistorical oldValInfo = valuesHist.get(valInfo);
if (oldValInfo != null) {
/* this value already exist in the historical information */
if (csn.equals(oldValInfo.getValueUpdateTime())) {
// This value was added earlier in the same operation
// we need to keep the delete.
addedInCurrentOp = true;
}
if (csn.isNewerThanOrEqualTo(oldValInfo.getValueDeleteTime())
&& csn.isNewerThanOrEqualTo(oldValInfo.getValueUpdateTime())) {
valuesHist.remove(oldValInfo);
valuesHist.put(valInfo, valInfo);
} else if (oldValInfo.isUpdate()) {
deleteIt = false;
}
} else {
valuesHist.remove(oldValInfo);
valuesHist.put(valInfo, valInfo);
}
/* if the attribute value is not to be deleted
* or if attribute value is not present suppress it from the
* MOD to make sure the delete is going to succeed
*/
if (!deleteIt
|| (!modifiedEntry.hasValue(modAttr.getAttributeType(), modAttr.getOptions(), val)
&& !addedInCurrentOp)) {
// this value was already deleted before and therefore
// this should not be replayed.
builder.remove(val);
if (builder.isEmpty()) {
// This was the last values in the set of values to be deleted.
// this MOD must therefore be skipped.
return false;
}
}
}
m.setAttribute(builder.toAttribute());
if (csn.isNewerThan(getLastUpdateTime())) {
lastUpdateTime = csn;
}
}
return true;
}
