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/*******************************************************************************
* ============LICENSE_START====================================================
* * org.onap.aaf
* * ===========================================================================
* * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* * ===========================================================================
* * Licensed under the Apache License, Version 2.0 (the "License");
* * you may not use this file except in compliance with the License.
* * You may obtain a copy of the License at
* *
* * http://www.apache.org/licenses/LICENSE-2.0
* *
* * Unless required by applicable law or agreed to in writing, software
* * distributed under the License is distributed on an "AS IS" BASIS,
* * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* * See the License for the specific language governing permissions and
* * limitations under the License.
* * ============LICENSE_END====================================================
* *
* * ECOMP is a trademark and service mark of AT&T Intellectual Property.
* *
******************************************************************************/
package com.att.dao.aaf.hl;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import com.att.authz.env.AuthzTrans;
import com.att.authz.layer.Result;
import com.att.dao.aaf.cass.PermDAO;
import com.att.dao.aaf.cass.RoleDAO;
import com.att.dao.aaf.cass.Status;
import com.att.dao.aaf.cass.UserRoleDAO;
/**
* PermLookup is a Storage class for the various pieces of looking up Permission
* during Transactions to avoid duplicate processing
*
*
*/
// Package on purpose
class PermLookup {
private AuthzTrans trans;
private String user;
private Question q;
private Result<List<UserRoleDAO.Data>> userRoles = null;
private Result<List<RoleDAO.Data>> roles = null;
private Result<Set<String>> permNames = null;
private Result<List<PermDAO.Data>> perms = null;
private PermLookup() {}
static PermLookup get(AuthzTrans trans, Question q, String user) {
PermLookup lp=null;
Map<String, PermLookup> permMap = trans.get(Question.PERMS, null);
if (permMap == null) {
trans.put(Question.PERMS, permMap = new HashMap<String, PermLookup>());
} else {
lp = permMap.get(user);
}
if (lp == null) {
lp = new PermLookup();
lp.trans = trans;
lp.user = user;
lp.q = q;
permMap.put(user, lp);
}
return lp;
}
public Result<List<UserRoleDAO.Data>> getUserRoles() {
if(userRoles==null) {
userRoles = q.userRoleDAO.readByUser(trans,user);
if(userRoles.isOKhasData()) {
List<UserRoleDAO.Data> lurdd = new ArrayList<UserRoleDAO.Data>();
Date now = new Date();
for(UserRoleDAO.Data urdd : userRoles.value) {
if(urdd.expires.after(now)) { // Remove Expired
lurdd.add(urdd);
}
}
if(lurdd.size()==0) {
return userRoles = Result.err(Status.ERR_UserNotFound,
"%s not found or not associated with any Roles: ",
user);
} else {
return userRoles = Result.ok(lurdd);
}
} else {
return userRoles;
}
} else {
return userRoles;
}
}
public Result<List<RoleDAO.Data>> getRoles() {
if(roles==null) {
Result<List<UserRoleDAO.Data>> rur = getUserRoles();
if(rur.isOK()) {
List<RoleDAO.Data> lrdd = new ArrayList<RoleDAO.Data>();
for (UserRoleDAO.Data urdata : rur.value) {
// Gather all permissions from all Roles
if(urdata.ns==null || urdata.rname==null) {
trans.error().printf("DB Content Error: nulls in User Role %s %s", urdata.user,urdata.role);
} else {
Result<List<RoleDAO.Data>> rlrd = q.roleDAO.read(
trans, urdata.ns, urdata.rname);
if(rlrd.isOK()) {
lrdd.addAll(rlrd.value);
}
}
}
return roles = Result.ok(lrdd);
} else {
return roles = Result.err(rur);
}
} else {
return roles;
}
}
public Result<Set<String>> getPermNames() {
if(permNames==null) {
Result<List<RoleDAO.Data>> rlrd = getRoles();
if (rlrd.isOK()) {
Set<String> pns = new TreeSet<String>();
for (RoleDAO.Data rdata : rlrd.value) {
pns.addAll(rdata.perms(false));
}
return permNames = Result.ok(pns);
} else {
return permNames = Result.err(rlrd);
}
} else {
return permNames;
}
}
public Result<List<PermDAO.Data>> getPerms(boolean lookup) {
if(perms==null) {
// Note: It should be ok for a Valid user to have no permissions -
// 8/12/2013
Result<Set<String>> rss = getPermNames();
if(rss.isOK()) {
List<PermDAO.Data> lpdd = new ArrayList<PermDAO.Data>();
for (String perm : rss.value) {
if(lookup) {
Result<String[]> ap = PermDAO.Data.decodeToArray(trans, q, perm);
if(ap.isOK()) {
Result<List<PermDAO.Data>> rlpd = q.permDAO.read(perm,trans,ap);
if (rlpd.isOKhasData()) {
for (PermDAO.Data pData : rlpd.value) {
lpdd.add(pData);
}
}
} else {
trans.error().log("In getPermsByUser, for", user, perm);
}
} else {
Result<PermDAO.Data> pr = PermDAO.Data.decode(trans, q, perm);
if (pr.notOK()) {
trans.error().log("In getPermsByUser, for", user, pr.errorString());
} else {
lpdd.add(pr.value);
}
}
}
return perms = Result.ok(lpdd);
} else {
return perms = Result.err(rss);
}
} else {
return perms;
}
}
}
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