/**
* Retrieves the handles of the user.
*
* @param ctx The evaluation context, which will be used as key for the cache.
* @param userAccountId The id of the user account to get the handles for.
* @param attributeIdValue The value of the attribute id that is currently resolved.
* @return Returns the eSciDoc user handle of the subject (current user).
* @throws WebserverSystemException Thrown in case of an internal error.
* @throws UserAccountNotFoundException Thrown if no user account with provided id is found.
*/
private Set retrieveUserHandle(
final EvaluationCtx ctx, final String userAccountId, final String attributeIdValue)
throws WebserverSystemException, UserAccountNotFoundException {
Set<AttributeValue> result =
(Set<AttributeValue>) getFromCache(XmlUtility.NAME_HANDLE, null, null, userAccountId, ctx);
if (result == null) {
final List userHandles;
try {
userHandles = getUserAccountDao().retrieveUserLoginDataByUserId(userAccountId);
if (userHandles == null || userHandles.isEmpty()) {
assertUserAccount(
userAccountId, getUserAccountDao().retrieveUserAccountById(userAccountId));
}
} catch (final UserAccountNotFoundException e) {
throw e;
} catch (final Exception e) {
final String errorMsg =
StringUtility.format("Retrieving of attribute failed", attributeIdValue);
throw new WebserverSystemException(errorMsg, e);
}
result = new HashSet<AttributeValue>();
if (userHandles != null && !userHandles.isEmpty()) {
for (final Object userHandle : userHandles) {
final UserLoginData userLoginData = (UserLoginData) userHandle;
result.add(new StringAttribute(userLoginData.getHandle()));
}
}
putInCache(XmlUtility.NAME_HANDLE, null, null, userAccountId, ctx, result);
}
return result;
}
/**
* Removes UserDetails of user with given id from UserDetails-Cache.
*
* @param userId The user Id.
* @throws SqlDatabaseSystemException Thrown in case of an internal database access error.
*/
private void clearUserDetailsCache(final String userId) throws SqlDatabaseSystemException {
final UserAccount userAccount = retrieveUserAccountById(userId);
if (userAccount != null
&& userAccount.getUserLoginDatas() != null
&& !userAccount.getUserLoginDatas().isEmpty()) {
for (final UserLoginData userLoginData : userAccount.getUserLoginDatas()) {
securityHelper.clearUserDetails(userLoginData.getHandle());
}
}
}
/**
* Checks if the provided {@link UserLoginData} object is expired.
*
* @param data The {@link UserLoginData} object to check.
* @return Returns {@code true} if the provided object is expired.
*/
private static boolean isExpired(final UserLoginData data) {
boolean result = false;
if (data.getExpiryts() - System.currentTimeMillis() <= 0L) {
result = true;
}
return result;
}
/**
* Checks if the provided {@link UserLoginData} object for is expired. If this is the case, the
* object is deleted from the storage. And object is removed from Cache.
*
* @param data The {@link UserLoginData} object to check.
* @return Returns the provided {@link UserLoginData} object or {@code null} if it is expired.
* @throws SqlDatabaseSystemException Thrown in case of an internal database access error.
*/
private UserLoginData checkUserLoginData(final UserLoginData data)
throws SqlDatabaseSystemException {
UserLoginData result = data;
if (result != null && isExpired(result)) {
delete(result);
securityHelper.clearUserDetails(data.getHandle());
result = null;
}
return result;
}
/**
* See Interface for functional description.
*
* @see UserAccountDaoInterface #delete(de.escidoc.core.aa.business.persistence.UserLoginData)
*/
@Override
public void delete(final UserLoginData data) throws SqlDatabaseSystemException {
// remove UserData from Cache
securityHelper.clearUserDetails(data.getHandle());
super.delete(data);
}
