/**
* resolve attribute created-by.
*
* @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.system.SqlDatabaseSystemException
* @throws de.escidoc.core.common.exceptions.application.notfound.GrantNotFoundException
* @throws de.escidoc.core.common.exceptions.application.notfound.ResourceNotFoundException
*/
private Object[] resolveCreatedByAttribute(
final EvaluationCtx ctx,
final String attributeIdValue,
final String resolvableAttribute,
final String tail)
throws GrantNotFoundException, SqlDatabaseSystemException, ResourceNotFoundException,
WebserverSystemException {
final String userOrGroupId =
FinderModuleHelper.retrieveSingleResourceAttribute(ctx, Constants.URI_RESOURCE_ID, true);
final String grantId =
FinderModuleHelper.retrieveSingleResourceAttribute(ctx, Constants.URI_SUBRESOURCE_ID, true);
if (grantId == null || grantId.length() == 0) {
throw new GrantNotFoundException("no grantId found");
}
final RoleGrant grant =
resolvableAttribute.matches(".*" + XmlUtility.NAME_USER_ACCOUNT + ".*")
? userAccountDao.retrieveGrant(userOrGroupId, grantId)
: userGroupDao.retrieveGrant(grantId);
assertGrant(grantId, grant);
final String createdBy = grant.getCreatorId();
final EvaluationResult result =
CustomEvaluationResultBuilder.createSingleStringValueResult(createdBy);
return new Object[] {result, resolvableAttribute};
}
/**
* 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;
}
/**
* Retrieve user-account grant from the system.
*
* @param ctx The evaluation context, which will be used as key for the cache.
* @param userId The user id.
* @param grantId The grant id.
* @return Returns the {@code RoleGrant} identified by the provided id.
* @throws WebserverSystemException Thrown in case of an internal error.
* @throws GrantNotFoundException Thrown if no grant with provided id exists.
*/
private RoleGrant getUserAccountGrant(
final EvaluationCtx ctx, final String userId, final String grantId)
throws WebserverSystemException, GrantNotFoundException {
RoleGrant grant = (RoleGrant) getFromCache(XmlUtility.NAME_ID, null, null, grantId, ctx);
if (grant == null) {
try {
grant = userAccountDao.retrieveGrant(userId, grantId);
} catch (final Exception e) {
throw new WebserverSystemException(
StringUtility.format("Exception during retrieval of the grant", e.getMessage()), e);
}
}
assertGrant(grantId, grant);
putInCache(XmlUtility.NAME_ID, null, null, grantId, ctx, grant);
return grant;
}
/**
* Retrieve user-account grant from the system.
*
* @param ctx The evaluation context, which will be used as key for the cache.
* @param userId The user id.
* @param grantId The grant id.
* @return Returns the <code>RoleGrant</code> identified by the provided id.
* @throws WebserverSystemException Thrown in case of an internal error.
* @throws GrantNotFoundException Thrown if no grant with provided id exists.
*/
private RoleGrant getUserAccountGrant(
final EvaluationCtx ctx, final String userId, final String grantId)
throws WebserverSystemException, GrantNotFoundException {
final StringBuffer key = StringUtility.concatenateWithColon(XmlUtility.NAME_ID, grantId);
RoleGrant grant = (RoleGrant) RequestAttributesCache.get(ctx, key.toString());
if (grant == null) {
try {
grant = userAccountDao.retrieveGrant(userId, grantId);
} catch (final Exception e) {
throw new WebserverSystemException(
StringUtility.format("Exception during retrieval of the grant", e.getMessage()), e);
}
}
assertGrant(grantId, grant);
RequestAttributesCache.put(ctx, key.toString(), grant);
return grant;
}
/**
* Fetches the value of the attribute {@code ATTR_USER_OU} for the provided user account.
*
* @param userAccount The user account to fetch the value from.
* @param getChildren if also children of userAccountous are to be fetched.
* @return Returns the attribute value in an {@code EvaluationResult}.
* @throws de.escidoc.core.common.exceptions.system.SystemException
*/
private EvaluationResult fetchUserAccountOus(
final UserAccount userAccount, final boolean getChildren) throws SystemException {
final String ouAttributeName =
EscidocConfiguration.getInstance()
.get(EscidocConfiguration.ESCIDOC_CORE_AA_OU_ATTRIBUTE_NAME);
if (ouAttributeName == null || ouAttributeName.length() == 0) {
return CustomEvaluationResultBuilder.createEmptyEvaluationResult();
}
final List<UserAttribute> attributes =
userAccountDao.retrieveAttributes(userAccount, ouAttributeName);
final EvaluationResult result;
if (attributes == null || attributes.isEmpty()) {
result = CustomEvaluationResultBuilder.createEmptyEvaluationResult();
} else {
final List<StringAttribute> results = new ArrayList<StringAttribute>();
final Collection<String> ouIds = new ArrayList<String>();
for (final UserAttribute attribute : attributes) {
results.add(new StringAttribute(attribute.getValue()));
if (getChildren) {
ouIds.add(attribute.getValue());
}
}
if (getChildren) {
final List<String> childOus =
tripleStoreUtility.getChildrenPath(ouIds, new ArrayList<String>());
if (childOus != null) {
for (final String childOu : childOus) {
results.add(new StringAttribute(childOu));
}
}
}
result = new EvaluationResult(new BagAttribute(Constants.URI_XMLSCHEMA_STRING, results));
}
return result;
}