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BDRC authorization library based on auth0
package io.bdrc.auth.rdf;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Properties;
import java.util.Timer;
import org.apache.jena.query.DatasetAccessor;
import org.apache.jena.query.DatasetAccessorFactory;
import org.apache.jena.rdf.model.Model;
import org.apache.jena.rdf.model.ModelFactory;
import org.apache.jena.rdf.model.ResIterator;
import org.apache.jena.rdf.model.Resource;
import org.apache.jena.rdf.model.Statement;
import org.apache.jena.rdf.model.StmtIterator;
import org.apache.jena.sparql.vocabulary.FOAF;
import org.apache.jena.vocabulary.RDF;
import org.apache.jena.vocabulary.RDFS;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import io.bdrc.auth.AuthProps;
import io.bdrc.auth.model.Application;
import io.bdrc.auth.model.AuthDataModelBuilder;
import io.bdrc.auth.model.Endpoint;
import io.bdrc.auth.model.Group;
import io.bdrc.auth.model.Permission;
import io.bdrc.auth.model.ResourceAccess;
import io.bdrc.auth.model.Role;
import io.bdrc.auth.model.User;
/*******************************************************************************
* Copyright (c) 2018 Buddhist Digital Resource Center (BDRC)
*
* If this file is a derivation of another work the license header will appear
* below; otherwise, this work is 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.
******************************************************************************/
public class RdfAuthModel implements Runnable {
static Model authMod;
static HashMap users;
static HashMap groups;
static HashMap roles;
static HashMap> personalAccess;
static ArrayList anyStatusGroups;
static ArrayList permissions;
static ArrayList endpoints;
static ArrayList access;
static ArrayList applications;
static HashMap> paths;
static Long updated = null;
private static int PERIOD_MS;
private static final int DELAY_MS = 5000;
public final static Logger log = LoggerFactory.getLogger(RdfAuthModel.class.getName());
// Reads authModel from fuseki and starts a ModelUpdate timer
public static void init() {
readAuthModel();
final ModelUpdate task = new ModelUpdate();
final Timer timer = new Timer();
PERIOD_MS = Integer.parseInt(AuthProps.getProperty("updatePeriod"));
timer.schedule(task, DELAY_MS, PERIOD_MS);
}
// Reads authModel from fuseki and starts a ModelUpdate timer
public static void initForTest(boolean update, boolean isTest) {
if (update) {
updateAuthData(null);
} else {
readAuthModel();
}
}
public static void initForStaticTests() {
InputStream stream = Application.class.getClassLoader().getResourceAsStream("rdfAuthTestModel.ttl");
final Model m = ModelFactory.createDefaultModel();
m.read(stream, "", "TURTLE");
resetModel(m);
}
public static Long getUpdated() {
return updated;
}
public static void update(final long updatedTime) {
updated = updatedTime;
}
public static Model getFullModel() {
return authMod;
}
public static boolean isSecuredEndpoint(final String appId, final String path) {
final ArrayList pth = paths.get(appId);
if (pth != null) {
return pth.contains(path);
}
return false;
}
public static HashMap getUsers() {
if (users != null) {
return users;
}
users = new HashMap();
final ResIterator it = authMod.listResourcesWithProperty(RDF.type, RdfConstants.USER);
while (it.hasNext()) {
final Resource rs = it.next();
final User user = new User();
user.setAuthId(rs.getProperty(RdfConstants.AUTHID).getObject().toString());
user.setName(rs.getProperty(FOAF.name).getObject().toString());
user.setEmail(rs.getProperty(FOAF.mbox).getObject().toString());
user.setIsSocial(rs.getProperty(RdfConstants.IS_SOCIAL).getObject().toString());
final String userId = rs.getURI();
user.setUserId(getShortName(userId));
user.setProvider(rs.getProperty(RdfConstants.PROVIDER).getObject().toString());
user.setConnection(rs.getProperty(RdfConstants.CONNECTION).getObject().toString());
StmtIterator sit = rs.listProperties(RdfConstants.HAS_ROLE);
while (sit.hasNext()) {
final Statement st = sit.next();
final String role = st.getObject().toString();
user.getRoles().add(getShortName(role));
}
sit = rs.listProperties(RdfConstants.FOR_GROUP);
while (sit.hasNext()) {
final Statement st = sit.next();
final String gp = st.getObject().toString();
user.getGroups().add(getShortName(gp));
}
users.put(getShortName(userId), user);
}
return users;
}
public static HashMap getGroups() {
if (groups != null) {
return groups;
}
groups = new HashMap();
final ResIterator it = authMod.listResourcesWithProperty(RDF.type, RdfConstants.GROUP);
while (it.hasNext()) {
final Group gp = new Group();
final Resource rs = it.next();
StmtIterator sit = rs.listProperties(RdfConstants.HAS_MEMBER);
while (sit.hasNext()) {
final String member = sit.next().getObject().toString();
gp.getMembers().add(getShortName(member));
}
sit = rs.listProperties(RdfConstants.HAS_ROLE);
while (sit.hasNext()) {
final String role = sit.next().getObject().toString();
gp.getRoles().add(getShortName(role));
}
gp.setId(getShortName(rs.getURI()));
gp.setName(rs.getProperty(RDFS.label).getObject().toString());
gp.setDesc(rs.getProperty(RdfConstants.DESC).getObject().toString());
groups.put(getShortName(rs.getURI()), gp);
}
return groups;
}
public static HashMap getRoles() {
if (roles != null) {
return roles;
}
roles = new HashMap();
final ResIterator it = authMod.listResourcesWithProperty(RDF.type, RdfConstants.ROLE);
while (it.hasNext()) {
final Role role = new Role();
final Resource rs = it.next();
StmtIterator sit = rs.listProperties(RdfConstants.HAS_PERMISSION);
while (sit.hasNext()) {
role.getPermissions().add(getShortName(sit.next().getObject().toString()));
}
role.setId(getShortName(rs.getURI()));
role.setName(rs.getProperty(RDFS.label).getObject().toString());
role.setDesc(rs.getProperty(RdfConstants.DESC).getObject().toString());
final String appId = rs.getProperty(RdfConstants.APPID).getObject().toString();
role.setAppId(getShortName(appId));
role.setAppType(rs.getProperty(RdfConstants.APPTYPE).getObject().toString());
roles.put(getShortName(rs.getURI()), role);
}
return roles;
}
public static ArrayList getPermissions() {
if (permissions != null) {
return permissions;
}
permissions = new ArrayList<>();
final ResIterator it = authMod.listResourcesWithProperty(RDF.type, RdfConstants.PERMISSION);
while (it.hasNext()) {
final Permission perm = new Permission();
final Resource rs = it.next();
perm.setId(getShortName(rs.getURI()));
perm.setName(rs.getProperty(RDFS.label).getObject().toString());
perm.setDesc(rs.getProperty(RdfConstants.DESC).getObject().toString());
final String appId = rs.getProperty(RdfConstants.APPID).getObject().toString();
perm.setAppId(getShortName(appId));
permissions.add(perm);
}
return permissions;
}
public static ArrayList getPermissions(final ArrayList rls, final ArrayList gps) {
final ArrayList perm = new ArrayList<>();
for (final String rl : rls) {
final Role role = roles.get(rl);
if (role != null) {
for (final String p : role.getPermissions()) {
perm.add(p);
}
}
}
for (final String rl : rls) {
final Group gp = groups.get(rl);
if (gp != null) {
for (final String p : gp.getRoles()) {
final Role role = roles.get(p);
if (role != null) {
for (final String pp : role.getPermissions()) {
perm.add(pp);
}
}
}
}
}
return perm;
}
public static ArrayList getEndpoints() {
if (endpoints != null) {
return endpoints;
}
endpoints = new ArrayList<>();
paths = new HashMap<>();
final ResIterator it = authMod.listResourcesWithProperty(RDF.type, RdfConstants.ENDPOINT);
while (it.hasNext()) {
final Endpoint endp = new Endpoint();
final Resource rs = it.next();
StmtIterator sit = rs.listProperties(RdfConstants.FOR_GROUP);
while (sit.hasNext()) {
endp.getGroups().add(getShortName(sit.next().getObject().toString()));
}
sit = rs.listProperties(RdfConstants.FOR_ROLE);
while (sit.hasNext()) {
String role = sit.next().getObject().toString();
endp.getRoles().add(role.substring(role.lastIndexOf("/") + 1));
}
sit = rs.listProperties(RdfConstants.FOR_PERM);
while (sit.hasNext()) {
endp.getPermissions().add(getShortName(sit.next().getObject().toString()));
}
endp.setPath(rs.getProperty(RdfConstants.PATH).getObject().toString());
String appId = rs.getProperty(RdfConstants.APPID).getObject().asResource().getLocalName();
endp.setAppId(appId);
endpoints.add(endp);
ArrayList path = paths.get(endp.getAppId());
if (path == null) {
path = new ArrayList<>();
}
path.add(endp.getPath());
paths.put(endp.getAppId(), path);
}
return endpoints;
}
public static ArrayList getResourceAccess() {
if (access != null) {
return access;
}
access = new ArrayList<>();
final ResIterator it = authMod.listResourcesWithProperty(RDF.type, RdfConstants.RES_ACCESS);
while (it.hasNext()) {
final ResourceAccess acc = new ResourceAccess();
final Resource rs = it.next();
acc.setPermission(rs.getProperty(RdfConstants.FOR_PERM).getObject().asResource().getLocalName());
acc.setPolicy(rs.getProperty(RdfConstants.POLICY).getObject().asResource().getLocalName());
access.add(acc);
}
return access;
}
public static HashMap> getPersonalAccess() {
if (personalAccess != null) {
return personalAccess;
}
personalAccess = new HashMap<>();
//
final ResIterator it = authMod.listResourcesWithProperty(RdfConstants.PERSONAL_ACCESS);
while (it.hasNext()) {
final Resource rs = it.next();
String user = rs.getURI();
String res = rs.getProperty(RdfConstants.PERSONAL_ACCESS).getObject().asResource().getURI();
ArrayList access = personalAccess.get(user);
if (access == null) {
access = new ArrayList<>();
}
access.add(res);
personalAccess.put(user, access);
}
return personalAccess;
}
public static ArrayList getAnyStatusGroup() {
if (anyStatusGroups != null) {
return anyStatusGroups;
}
anyStatusGroups = new ArrayList<>();
final ResIterator it = authMod.listResourcesWithProperty(RdfConstants.ANY_STATUS);
while (it.hasNext()) {
final Resource rs = it.next();
String group = rs.getURI();
boolean acc = rs.getProperty(RdfConstants.ANY_STATUS).getBoolean();
if (acc) {
anyStatusGroups.add(group);
}
}
return anyStatusGroups;
}
public static ArrayList getPersonalAccess(String userUri) {
if (personalAccess != null) {
return personalAccess.get(userUri);
}
return null;
}
public static ArrayList getApplications() {
if (applications != null) {
return applications;
}
applications = new ArrayList<>();
final ResIterator it = authMod.listResourcesWithProperty(RDF.type, RdfConstants.APPLICATION);
while (it.hasNext()) {
final Resource rs = it.next();
final Application app = new Application();
app.setName(rs.getProperty(RDFS.label).getObject().toString());
app.setAppId(getShortName(rs.getURI()));
app.setAppType(rs.getProperty(RdfConstants.APPTYPE).getObject().toString());
app.setDesc(rs.getProperty(RdfConstants.DESC).getObject().toString());
applications.add(app);
}
return applications;
}
public static User getUser(final String userId) {
return users.get(userId);
}
public static HashMap> getPaths() {
return paths;
}
public static Endpoint getEndpoint(final String path) {
for (final Endpoint e : endpoints) {
if (e.getPath().equals(path)) {
return e;
}
}
return null;
}
public static ResourceAccess getResourceAccess(final String accessType) {
if (access == null) {
access = getResourceAccess();
}
for (final ResourceAccess acc : access) {
final String policy = acc.getPolicy();
if (policy.equals(accessType)) {
return acc;
}
}
return null;
}
// Loads the model from fuseki -
// Used by any application using bdrc-auth-lib
// The model will then be updated (by ModelUpdate timer)
// each when a new version has been created and published
// by the server (ldspdi) receiving callbacks from auth0 or bdrc-auth-lib repo
public static void readAuthModel() {
String fusekiUrl = AuthProps.getProperty("fusekiUrl");
fusekiUrl = fusekiUrl.substring(0, fusekiUrl.lastIndexOf("/"));
final DatasetAccessor access = DatasetAccessorFactory.createHTTP(fusekiUrl);
final Model m = access.getModel(AuthProps.getProperty("authDataGraph"));
if (m != null) {
resetModel(m);
update(System.currentTimeMillis());
}
}
static void resetModel(final Model m) {
authMod = m;
getUsers();
getGroups();
getRoles();
getPermissions();
getEndpoints();
getApplications();
getResourceAccess();
getPersonalAccess();
getAnyStatusGroup();
update(System.currentTimeMillis());
}
// Reloads and reset the model from auth0 and bdrc-auth-lib policies.ttl
// This MUST BE used at startup by the server implementing webhooks callbacks
// and each time a callback to that server is triggerred.
// a new update time is then set by resetModel().
public static void updateAuthData(String fusekiUrl) {
if (fusekiUrl == null) {
fusekiUrl = AuthProps.getProperty("fusekiUrl");
}
fusekiUrl = fusekiUrl.substring(0, fusekiUrl.lastIndexOf("/"));
log.info("Service fuseki >> " + fusekiUrl);
log.info("authDataGraph >> " + AuthProps.getProperty("authDataGraph"));
final DatasetAccessor access = DatasetAccessorFactory.createHTTP(fusekiUrl);
try {
final AuthDataModelBuilder auth = new AuthDataModelBuilder();
access.putModel(AuthProps.getProperty("authDataGraph"), auth.getModel());
resetModel(auth.getModel());
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static String getShortName(String st) {
return st.substring(st.lastIndexOf("/") + 1);
}
@Override
public void run() {
try {
updateAuthData(null);
} catch (Exception e) {
log.error("Running error", e);
}
log.info("Done loading and updating rdfAuth Model");
}
public static void main(String[] args) {
Properties props = new Properties();
AuthProps.init(props);
Thread t = new Thread(new RdfAuthModel());
t.start();
}
}
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