/**
* Helper to encapsulate the test for whether the currently authenticated user can write to the
* preferences objects for the given username and person node reference.
*
* @param userName Username owner of the preferences object for modification test
* @param personNodeRef Non-null person representing the given username
* @return true if they are allowed to write to the user preferences, false otherwise
*/
private boolean userCanWritePreferences(final String userName, final NodeRef personNodeRef) {
final String currentUserName = AuthenticationUtil.getFullyAuthenticatedUser();
return (userName.equals(currentUserName)
|| personService
.getUserIdentifier(userName)
.equals(personService.getUserIdentifier(currentUserName))
|| authenticationContext.isSystemUserName(currentUserName)
|| permissionService.hasPermission(personNodeRef, PermissionService.WRITE)
== AccessStatus.ALLOWED);
}
private JSONObject getPreferencesObject(String userName) throws JSONException {
JSONObject jsonPrefs = null;
// Get the user node reference
NodeRef personNodeRef = this.personService.getPerson(userName);
if (personNodeRef == null) {
throw new AlfrescoRuntimeException(
"Cannot get preferences for " + userName + " because he/she does not exist.");
}
String currentUserName = AuthenticationUtil.getFullyAuthenticatedUser();
boolean isSystem =
AuthenticationUtil.isRunAsUserTheSystemUser()
|| authenticationContext.isSystemUserName(currentUserName);
if (isSystem
|| userName.equals(currentUserName)
|| personService
.getUserIdentifier(userName)
.equals(personService.getUserIdentifier(currentUserName))
|| authorityService.isAdminAuthority(currentUserName)) {
// Check for preferences aspect
if (this.nodeService.hasAspect(personNodeRef, ContentModel.ASPECT_PREFERENCES) == true) {
// Get the preferences for this user
ContentReader reader =
this.contentService.getReader(personNodeRef, ContentModel.PROP_PREFERENCE_VALUES);
if (reader != null) {
jsonPrefs = new JSONObject(reader.getContentString());
}
}
} else {
// The current user does not have sufficient permissions to get
// the preferences for this user
throw new AccessDeniedException(
"The current user "
+ currentUserName
+ " does not have sufficient permissions to get the preferences of the user "
+ userName);
}
return jsonPrefs;
}
@Override
public PagingResults<PersonFavourite> getPagedFavourites(
String userName,
Set<Type> types,
List<Pair<FavouritesService.SortFields, Boolean>> sortProps,
PagingRequest pagingRequest) {
// Get the user node reference
final NodeRef personNodeRef = personService.getPerson(userName);
if (personNodeRef == null) {
throw new AlfrescoRuntimeException(
"Can not get preferences for " + userName + " because he/she does not exist.");
}
boolean includeFiles = types.contains(Type.FILE);
boolean includeFolders = types.contains(Type.FOLDER);
boolean includeSites = types.contains(Type.SITE);
String currentUserName = AuthenticationUtil.getFullyAuthenticatedUser();
if (authenticationContext.isSystemUserName(currentUserName) == true
|| permissionService.hasPermission(personNodeRef, PermissionService.WRITE)
== AccessStatus.ALLOWED
|| userName.equals(currentUserName) == true) {
// we may have more than one favourite that is considered the same w.r.t. the PersonFavourite
// comparator
final Map<PersonFavouriteKey, PersonFavourite> sortedFavouriteNodes =
new TreeMap<PersonFavouriteKey, PersonFavourite>(getComparator(sortProps));
PrefKeys sitePrefKeys = getPrefKeys(Type.SITE);
PrefKeys documentsPrefKeys = getPrefKeys(Type.FILE);
PrefKeys foldersPrefKeys = getPrefKeys(Type.FOLDER);
Map<String, Serializable> preferences = preferenceService.getPreferences(userName);
for (String key : preferences.keySet()) {
if (includeFiles && key.startsWith(documentsPrefKeys.sharePrefKey)) {
String nodes = (String) preferences.get(key);
if (nodes != null) {
sortedFavouriteNodes.putAll(extractFavouriteNodes(userName, Type.FILE, nodes));
}
} else if (includeFolders && key.startsWith(foldersPrefKeys.sharePrefKey)) {
String nodes = (String) preferences.get(key);
if (nodes != null) {
sortedFavouriteNodes.putAll(extractFavouriteNodes(userName, Type.FOLDER, nodes));
}
} else if (includeSites
&& key.startsWith(sitePrefKeys.getSharePrefKey())
&& !key.endsWith(".createdAt")) {
// key is either of the form org.alfresco.share.sites.favourites.<siteId>.favourited or
// org.alfresco.share.sites.favourites.<siteId>
extractFavouriteSite(userName, Type.SITE, sortedFavouriteNodes, preferences, key);
}
}
int totalSize = sortedFavouriteNodes.size();
final PageDetails pageDetails = PageDetails.getPageDetails(pagingRequest, totalSize);
final List<PersonFavourite> page = new ArrayList<PersonFavourite>(pageDetails.getPageSize());
Iterator<PersonFavourite> it = sortedFavouriteNodes.values().iterator();
for (int counter = 0; counter < pageDetails.getEnd() && it.hasNext(); counter++) {
PersonFavourite favouriteNode = it.next();
if (counter < pageDetails.getSkipCount()) {
continue;
}
if (counter > pageDetails.getEnd() - 1) {
break;
}
page.add(favouriteNode);
}
return new PagingResults<PersonFavourite>() {
@Override
public List<PersonFavourite> getPage() {
return page;
}
@Override
public boolean hasMoreItems() {
return pageDetails.hasMoreItems();
}
@Override
public Pair<Integer, Integer> getTotalResultCount() {
Integer total = Integer.valueOf(sortedFavouriteNodes.size());
return new Pair<Integer, Integer>(total, total);
}
@Override
public String getQueryExecutionId() {
return null;
}
};
} else {
// The current user does not have sufficient permissions to update the preferences for this
// user
throw new AccessDeniedException(
"The current user "
+ currentUserName
+ " does not have sufficient permissions to get the favourites of the user "
+ userName);
}
}