/**
* Fetches the scopes of the role identified in the attribute for the provided user account.
*
* @param userAccountId The id of the user account to fetch the value from.
* @param attributeId The name of the attribute.
* @return Returns the attribute value in an {@code EvaluationResult}.
* @throws de.escidoc.core.common.exceptions.system.SystemException
*/
private EvaluationResult fetchRoleScopes(
final String userAccountId, final CharSequence attributeId) throws SystemException {
// get role to fetch
final Matcher roleMatcher = PATTERN_PARSE_ROLE_GRANT_ROLE.matcher(attributeId);
String roleName = null;
if (roleMatcher.find()) {
roleName = roleMatcher.group(4);
}
if (roleName == null || roleName.length() == 0) {
return CustomEvaluationResultBuilder.createEmptyEvaluationResult();
}
Set<String> userGroups = null;
try {
userGroups = securityHelper.getUserGroups(userAccountId);
} catch (UserAccountNotFoundException e) {
// The caller doesn't expect to get an exception from here if
// the user doesn't exist.
}
final Map<String, HashSet<String>> criterias = new HashMap<String, HashSet<String>>();
final HashSet<String> roles = new HashSet<String>();
roles.add(roleName);
final HashSet<String> users = new HashSet<String>();
users.add(userAccountId);
criterias.put(de.escidoc.core.common.business.Constants.FILTER_PATH_USER_ID, users);
criterias.put(de.escidoc.core.common.business.Constants.FILTER_PATH_ROLE_ID, roles);
if (userGroups != null && !userGroups.isEmpty()) {
criterias.put(
de.escidoc.core.common.business.Constants.FILTER_PATH_GROUP_ID,
(HashSet<String>) userGroups);
}
final List<RoleGrant> roleGrants =
userAccountDao.retrieveGrants(criterias, null, ListSorting.ASCENDING);
final EvaluationResult result;
if (roleGrants != null) {
final List<StringAttribute> results = new ArrayList<StringAttribute>();
for (final RoleGrant roleGrant : roleGrants) {
if (roleGrant.getRevocationDate() == null) {
results.add(new StringAttribute(roleGrant.getObjectId()));
}
}
result = new EvaluationResult(new BagAttribute(Constants.URI_XMLSCHEMA_STRING, results));
} else {
result = CustomEvaluationResultBuilder.createEmptyEvaluationResult();
}
return result;
}
/**
* resolve attribute assigned-on. check if tail is present and resolvable (dependent on variable
* SUPPORTED_ASSIGNED_ON_OBJECT_ATTRIBUTES). if tail is not resolvable, mark whole attribute as
* unresolvable.
*
* @param ctx EvaluationContext
* @param attributeIdValue whole attribute
* @param resolvableAttribute resolvable part of attribute
* @param tail tail after resolvable part
* @return Object[] result
* @throws de.escidoc.core.common.exceptions.system.WebserverSystemException
* @throws de.escidoc.core.common.exceptions.application.notfound.GrantNotFoundException
* @throws de.escidoc.core.common.exceptions.system.TripleStoreSystemException
* @throws de.escidoc.core.common.exceptions.application.notfound.ResourceNotFoundException
* @throws de.escidoc.core.common.exceptions.system.SystemException
*/
private Object[] resolveAssignedOnAttribute(
final EvaluationCtx ctx,
final String attributeIdValue,
final String resolvableAttribute,
final String tail)
throws TripleStoreSystemException, SystemException, GrantNotFoundException,
ResourceNotFoundException, WebserverSystemException {
EvaluationResult result;
final String userOrGroupId =
FinderModuleHelper.retrieveSingleResourceAttribute(ctx, Constants.URI_RESOURCE_ID, true);
final String grantId =
FinderModuleHelper.retrieveSingleResourceAttribute(ctx, Constants.URI_SUBRESOURCE_ID, true);
String assignedOnObjectId;
if (grantId == null || grantId.length() == 0) {
// if no grantId is present
// fetch grant-attribute from invocation-mapping
try {
assignedOnObjectId = fetchSingleResourceAttribute(ctx, resolvableAttribute + "-new");
} catch (final Exception e) {
// not assigned to an object
// so mark complete attribute as unresolvable
result =
CustomEvaluationResultBuilder.createSingleStringValueResult(
de.escidoc.core.common.business.Constants.UNRESOLVED_ATTRIBUTE_VALUE);
return new Object[] {result, attributeIdValue};
}
} else {
final RoleGrant grant =
resolvableAttribute.matches(".*" + XmlUtility.NAME_USER_ACCOUNT + ".*")
? getUserAccountGrant(ctx, userOrGroupId, grantId)
: getUserGroupGrant(ctx, grantId);
assertGrant(grantId, grant);
assignedOnObjectId = grant.getObjectId();
}
if (assignedOnObjectId == null) {
// not assigned on an object
// so mark complete attribute as unresolvable
result =
CustomEvaluationResultBuilder.createSingleStringValueResult(
de.escidoc.core.common.business.Constants.UNRESOLVED_ATTRIBUTE_VALUE);
return new Object[] {result, attributeIdValue};
}
// check if tailing attribute is resolvable for assigned object-type
if (tail != null) {
final String objectType = fetchObjectType(ctx, assignedOnObjectId);
if (objectType.equals(XmlUtility.NAME_COMPONENT) && tail.equals(XmlUtility.NAME_CONTEXT)) {
// if we have to resolve the context of a component,
// we first have to get the itemId and resolve context for
// the itemId
final List<String> itemIds =
FinderModuleHelper.retrieveFromTripleStore(
true,
tsu.getRetrieveWhereClause(
true, TripleStoreUtility.PROP_COMPONENT, assignedOnObjectId, null, null, null),
assignedOnObjectId,
TripleStoreUtility.PROP_COMPONENT,
this.tsu);
if (itemIds == null || itemIds.isEmpty() || itemIds.size() != 1) {
result =
CustomEvaluationResultBuilder.createResourceNotFoundResult(
new ItemNotFoundException(
"item for component " + assignedOnObjectId + " not found"));
} else {
assignedOnObjectId = itemIds.get(0);
}
}
}
result = CustomEvaluationResultBuilder.createSingleStringValueResult(assignedOnObjectId);
return new Object[] {result, resolvableAttribute};
}