OAuth2Helper.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* javax.jcr.AccessDeniedException
* javax.jcr.Credentials
* javax.jcr.Node
* javax.jcr.RepositoryException
* javax.jcr.Session
* javax.jcr.SimpleCredentials
* javax.jcr.UnsupportedRepositoryOperationException
* javax.jcr.Value
* javax.jcr.ValueFormatException
* javax.jcr.nodetype.NodeType
* javax.jcr.security.AccessControlManager
* javax.jcr.security.Privilege
* javax.servlet.http.HttpServletResponse
* org.apache.commons.lang.StringUtils
* org.apache.jackrabbit.api.JackrabbitSession
* org.apache.jackrabbit.api.security.user.Authorizable
* org.apache.jackrabbit.api.security.user.User
* org.apache.jackrabbit.api.security.user.UserManager
* org.apache.jackrabbit.commons.jackrabbit.authorization.AccessControlUtils
* org.apache.oltu.oauth2.common.exception.OAuthProblemException
* org.apache.oltu.oauth2.common.exception.OAuthSystemException
* org.apache.oltu.oauth2.jwt.ClaimsSet
* org.apache.oltu.oauth2.jwt.JWT
* org.apache.oltu.oauth2.jwt.io.JWTReader
* org.apache.sling.jcr.api.SlingRepository
* org.slf4j.Logger
* org.slf4j.LoggerFactory
*/
package com.adobe.granite.oauth.server.impl.helper;
import com.adobe.granite.oauth.server.OAuth2ResourceServer;
import com.adobe.granite.oauth.server.Scope;
import java.io.IOException;
import java.security.Principal;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import javax.jcr.AccessDeniedException;
import javax.jcr.Credentials;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.SimpleCredentials;
import javax.jcr.UnsupportedRepositoryOperationException;
import javax.jcr.Value;
import javax.jcr.ValueFormatException;
import javax.jcr.nodetype.NodeType;
import javax.jcr.security.AccessControlManager;
import javax.jcr.security.Privilege;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang.StringUtils;
import org.apache.jackrabbit.api.JackrabbitSession;
import org.apache.jackrabbit.api.security.user.Authorizable;
import org.apache.jackrabbit.api.security.user.User;
import org.apache.jackrabbit.api.security.user.UserManager;
import org.apache.jackrabbit.commons.jackrabbit.authorization.AccessControlUtils;
import org.apache.oltu.oauth2.common.exception.OAuthProblemException;
import org.apache.oltu.oauth2.common.exception.OAuthSystemException;
import org.apache.oltu.oauth2.jwt.ClaimsSet;
import org.apache.oltu.oauth2.jwt.JWT;
import org.apache.oltu.oauth2.jwt.io.JWTReader;
import org.apache.sling.jcr.api.SlingRepository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/*
* This class specifies class file version 49.0 but uses Java 6 signatures. Assumed Java 6.
*/
public class OAuth2Helper {
private static final Logger logger = LoggerFactory.getLogger(OAuth2Helper.class);
public static Authorizable getOAuthClientAuthorizable(Session session, String clientId) throws RepositoryException, OAuthSystemException {
UserManager um = ((JackrabbitSession)session).getUserManager();
Iterator iterator = um.findAuthorizables("oauth:clientId", clientId);
if (iterator.hasNext()) {
Authorizable user = (Authorizable)iterator.next();
if (iterator.hasNext()) {
logger.error("getOAuthClientAuthorizable: not allowed, more than one client exist with clientId {}", (Object)clientId);
throw new OAuthSystemException(" failed to retreive the client");
}
if (!(user instanceof User)) {
logger.error("getOAuthClientAuthorizable: invalid/forged clientId {}", (Object)clientId);
throw new OAuthSystemException("failed to retreive the client");
}
if (!user.hasProperty("oauth/" + clientId + "/" + "oauth:clientId")) {
logger.error("getOAuthClientAuthorizable: invalid/forged clientId {}", (Object)clientId);
throw new OAuthSystemException("failed to retreive the client");
}
if (!"oauth:client".equals(session.getNode(user.getPath() + "/oauth/" + clientId).getPrimaryNodeType().getName())) {
logger.error("getOAuthClientAuthorizable: invalid/forged clientId {}", (Object)clientId);
throw new OAuthSystemException("failed to retreive the client");
}
return user;
}
logger.info("clientId {} not found", (Object)clientId);
return null;
}
public static String getOAuthClientPropertyValue(Authorizable user, String clientId, String propertyName) throws ValueFormatException, IllegalStateException, RepositoryException {
propertyName = "oauth/" + clientId + "/" + propertyName;
if (user.hasProperty(propertyName)) {
Value[] value = user.getProperty(propertyName);
if (value != null && value[0] != null) {
return value[0].getString();
}
logger.info("property {} not found", (Object)propertyName);
return null;
}
logger.info("property {} not found", (Object)propertyName);
return null;
}
public static void handleOAuthSystemException(OAuthSystemException e, HttpServletResponse response) throws IOException {
logger.error("OAuth System Exception ", (Throwable)e);
response.sendError(500);
}
public static String getScopes(Set<String> scopes) {
return StringUtils.join(scopes, (char)',');
}
public static Set<String> getScopesSet(String scopes) {
HashSet<String> scopesSet = new HashSet<String>();
if (scopes != null && scopes.length() > 0) {
for (String s : scopes.split(",")) {
scopesSet.add(s);
}
}
return scopesSet;
}
public static Set<String> getAllowedDefaultScopesSet(String scopes) {
HashSet<String> scopesSet = new HashSet<String>();
if (scopes != null && scopes.length() > 0) {
for (String s : scopes.split(",")) {
if (s.startsWith("/")) continue;
scopesSet.add(s);
}
}
return scopesSet;
}
public static Set<String> getDefaultScopesResourcePathSet(OAuth2ResourceServer oAuth2ResourceServer, String scopes, User user) {
Set<String> scopesSet = OAuth2Helper.getAllowedDefaultScopesSet(scopes);
HashSet<String> paths = new HashSet<String>();
Map<String, Scope> scopesMap = oAuth2ResourceServer.getAllowedScopes();
for (String scope : scopesSet) {
String resourcePath;
if (!scopesMap.containsKey(scope) || (resourcePath = scopesMap.get(scope).getResourcePath(user)) == null) continue;
paths.add(resourcePath);
}
return paths;
}
/*
* WARNING - Removed try catching itself - possible behaviour change.
*/
public static boolean checkPrivileges(SlingRepository repository, Session session, User user, Set<String> scopes) throws UnsupportedRepositoryOperationException, RepositoryException {
boolean validScope;
Session userSession = null;
validScope = true;
try {
if (scopes == null || scopes.isEmpty()) {
boolean bl = true;
return bl;
}
userSession = repository.impersonateFromService("oauthservice", (Credentials)new SimpleCredentials(user.getID(), new char[0]), null);
for (String path : scopes) {
if (userSession.hasPermission(path, "read")) continue;
logger.debug("the user {} doesn't have enough privilege for path {}", (Object)user.getID(), (Object)path);
validScope = false;
break;
}
}
finally {
if (userSession != null && userSession.isLive()) {
userSession.logout();
}
}
return validScope;
}
public static User createUser(Session session, final String userId, String intermediatePath) throws AccessDeniedException, UnsupportedRepositoryOperationException, RepositoryException {
User user = null;
UserManager um = ((JackrabbitSession)session).getUserManager();
Principal principal = new Principal(){
public String getName() {
return userId;
}
};
user = um.createUser(userId, null, principal, intermediatePath);
if (!um.isAutoSave()) {
session.save();
}
return user;
}
public static void deleteUser(Session session, String userId) throws AccessDeniedException, UnsupportedRepositoryOperationException, RepositoryException {
UserManager um = ((JackrabbitSession)session).getUserManager();
Authorizable authorizable = um.getAuthorizable(userId);
if (authorizable instanceof User) {
User user = (User)um.getAuthorizable(userId);
user.remove();
if (!um.isAutoSave()) {
session.save();
}
}
}
public static void addACLEntries(Session session, Principal principal, Set<String> paths, boolean allow) throws RepositoryException {
AccessControlManager acm = session.getAccessControlManager();
Privilege[] privilegesArray = new Privilege[]{acm.privilegeFromName("{http://www.jcp.org/jcr/1.0}read")};
for (String path : paths) {
AccessControlUtils.addAccessControlEntry((Session)session, (String)path, (Principal)principal, (Privilege[])privilegesArray, (boolean)allow);
}
if (session.hasPendingChanges()) {
session.save();
}
}
public static User getUser(Session session, String userId) throws RepositoryException {
UserManager um;
Authorizable auth;
if (userId != null && (auth = (um = ((JackrabbitSession)session).getUserManager()).getAuthorizable(userId)) != null && auth instanceof User) {
logger.debug("found user with userid {}", (Object)userId);
return (User)auth;
}
return null;
}
public static String getSubject(String accessToken) {
JWT jwt = (JWT)new JWTReader().read(accessToken);
return jwt.getClaimsSet().getSubject();
}
public static String getContentType(String token) {
JWT jwt = (JWT)new JWTReader().read(token);
return (String)jwt.getClaimsSet().getCustomField("cty", String.class);
}
public static String getScopes(String accessToken) {
JWT jwt = (JWT)new JWTReader().read(accessToken);
return (String)jwt.getClaimsSet().getCustomField("scope", String.class);
}
public static String getJwtUserId(String accessToken) {
return "oauth-" + new StringBuilder(accessToken).reverse().toString();
}
public static String getJwtFromUserId(String userId) {
return new StringBuilder(userId.substring("oauth-".length())).reverse().toString();
}
public static void validateAuthorizationEndpointInput(Session session, String clientId, String redirectUri) throws OAuthProblemException, OAuthSystemException {
try {
Authorizable user = OAuth2Helper.getOAuthClientAuthorizable(session, clientId);
if (user == null) {
logger.debug("validateRedirectURI: Invalid value {} for parameter client_id", (Object)clientId);
OAuthProblemException oAuthProblemException = OAuthProblemException.error((String)"invalid_client", (String)"Invalid client");
oAuthProblemException.responseStatus(400);
throw oAuthProblemException;
}
String redirectUriStored = OAuth2Helper.getOAuthClientPropertyValue(user, clientId, "oauth:redirectURI");
if (!redirectUriStored.equalsIgnoreCase(redirectUri)) {
logger.debug("validateRedirectURI: The redirect URI in the request {} did not match a registered redirect URI {}", (Object)redirectUri, (Object)redirectUriStored);
OAuthProblemException oAuthProblemException = OAuthProblemException.error((String)"redirect_uri_mismatch", (String)("The redirect URI in the request " + redirectUri + " did not match a registered redirect URI"));
oAuthProblemException.responseStatus(400);
throw oAuthProblemException;
}
}
catch (RepositoryException e) {
logger.error("validateRedirectURI: failed while accessing repository", (Throwable)e);
throw new OAuthSystemException("failed while accessing repository");
}
}
public static void validateScopes(OAuth2ResourceServer oAuth2ResourceServer, Set<String> scopes, boolean serviceAccount) throws OAuthProblemException, OAuthSystemException {
boolean invalidScope = false;
Map<String, Scope> allowedScopes = oAuth2ResourceServer.getAllowedScopes();
if (!allowedScopes.keySet().containsAll(scopes)) {
logger.debug("the provided scope is not whitelisted");
invalidScope = true;
}
if (!serviceAccount) {
for (String scope : scopes) {
if (!OAuth2Helper.isReplicationScope(allowedScopes.get(scope))) continue;
invalidScope = true;
}
}
if (invalidScope) {
logger.info("the provided scope is not valid");
OAuthProblemException oAuthProblemException = OAuthProblemException.error((String)"invalid_scope", (String)"Invalid scope");
oAuthProblemException.responseStatus(400);
throw oAuthProblemException;
}
}
public static boolean isReplicationScope(Scope scope) {
if (scope == null) {
return false;
}
if ("replicate".equals(scope.getName())) {
return true;
}
return false;
}
}