// TODO Merge arguments(acl, content)
// FIXME Refactor duplicate isAllowableBaseType
@Override
public Boolean checkPermission(
CallContext callContext,
String repositoryId,
String key,
Acl acl,
String baseType,
Content content) {
// All permission checks must go through baseType check
if (!isAllowableBaseType(key, baseType, content, repositoryId)) return false;
// Admin always pass a permission check
CallContextImpl cci = (CallContextImpl) callContext;
Boolean _isAdmin = (Boolean) cci.get(CallContextKey.IS_ADMIN);
boolean isAdmin = (_isAdmin == null) ? false : _isAdmin;
if (isAdmin) return true;
// PWC doesn't accept any actions from a non-owner user
// TODO admin can manipulate PWC even when it is checked out ?
if (content.isDocument()) {
Document document = (Document) content;
if (document.isPrivateWorkingCopy()) {
VersionSeries vs = contentService.getVersionSeries(repositoryId, document);
if (!callContext.getUsername().equals(vs.getVersionSeriesCheckedOutBy())) {
return false;
}
}
}
// Relation has no ACL stored in DB.
// Though some actions are defined in the specs,
// Some other direct actions is needed to be set here.
if (content.isRelationship()) {
Relationship relationship = (Relationship) content;
return checkRelationshipPermission(callContext, repositoryId, key, relationship);
}
// Void Acl fails(but Admin can do an action)
if (acl == null) return false;
// Even if a user has multiple ACEs, the permissions is pushed into
// Set<String> and remain unique.
// Get ACL for the current user
String userName = callContext.getUsername();
List<Ace> aces = acl.getAllAces();
Set<String> userPermissions = new HashSet<String>();
Set<String> groups = principalService.getGroupIdsContainingUser(repositoryId, userName);
for (Ace ace : aces) {
// Filter ace which has not permissions
if (ace.getPermissions() == null) continue;
// Add user permissions
if (ace.getPrincipalId().equals(userName)) {
userPermissions.addAll(ace.getPermissions());
}
// Add inherited permissions which user inherits
if (CollectionUtils.isNotEmpty(groups) && groups.contains(ace.getPrincipalId())) {
userPermissions.addAll(ace.getPermissions());
}
}
// Check mapping between the user and the content
return checkCalculatedPermissions(repositoryId, key, userPermissions);
}