| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with this |
| * work for additional information regarding copyright ownership. The ASF |
| * licenses this file to You 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. |
| */ |
| package org.apache.sling.jcr.jackrabbit.accessmanager.post; |
| |
| import java.io.IOException; |
| import java.security.Principal; |
| import java.util.ArrayList; |
| import java.util.LinkedHashMap; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| |
| import javax.jcr.AccessDeniedException; |
| import javax.jcr.Item; |
| import javax.jcr.RepositoryException; |
| import javax.jcr.Session; |
| import javax.jcr.security.AccessControlEntry; |
| import javax.jcr.security.Privilege; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.sling.api.SlingHttpServletRequest; |
| import org.apache.sling.api.SlingHttpServletResponse; |
| import org.apache.sling.api.resource.ResourceNotFoundException; |
| import org.apache.sling.api.servlets.SlingAllMethodsServlet; |
| import org.apache.sling.commons.json.JSONException; |
| import org.apache.sling.commons.json.JSONObject; |
| import org.apache.sling.jcr.base.util.AccessControlUtil; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @SuppressWarnings("serial") |
| public abstract class AbstractGetAclServlet extends SlingAllMethodsServlet { |
| |
| /** |
| * default log |
| */ |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| /* (non-Javadoc) |
| * @see org.apache.sling.api.servlets.SlingSafeMethodsServlet#doGet(org.apache.sling.api.SlingHttpServletRequest, org.apache.sling.api.SlingHttpServletResponse) |
| */ |
| @Override |
| protected void doGet(SlingHttpServletRequest request, |
| SlingHttpServletResponse response) throws ServletException, |
| IOException { |
| |
| try { |
| Session session = request.getResourceResolver().adaptTo(Session.class); |
| String resourcePath = request.getResource().getPath(); |
| |
| JSONObject acl = internalGetAcl(session, resourcePath); |
| response.setContentType("application/json"); |
| response.setCharacterEncoding("UTF-8"); |
| |
| boolean isTidy = false; |
| final String[] selectors = request.getRequestPathInfo().getSelectors(); |
| if (selectors != null && selectors.length > 0) { |
| for (final String level : selectors) { |
| if("tidy".equals(level)) { |
| isTidy = true; |
| } |
| } |
| } |
| |
| if (isTidy) { |
| response.getWriter().append(acl.toString(2)); |
| } else { |
| acl.write(response.getWriter()); |
| } |
| } catch (AccessDeniedException ade) { |
| response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| } catch (ResourceNotFoundException rnfe) { |
| response.sendError(HttpServletResponse.SC_NOT_FOUND, rnfe.getMessage()); |
| } catch (Throwable throwable) { |
| log.debug("Exception while handling GET " |
| + request.getResource().getPath() + " with " |
| + getClass().getName(), throwable); |
| throw new ServletException(throwable); |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| protected JSONObject internalGetAcl(Session jcrSession, String resourcePath) |
| throws RepositoryException, JSONException { |
| |
| if (jcrSession == null) { |
| throw new RepositoryException("JCR Session not found"); |
| } |
| |
| Item item = jcrSession.getItem(resourcePath); |
| if (item != null) { |
| resourcePath = item.getPath(); |
| } else { |
| throw new ResourceNotFoundException("Resource is not a JCR Node"); |
| } |
| |
| AccessControlEntry[] declaredAccessControlEntries = getAccessControlEntries(jcrSession, resourcePath); |
| Map<String, Map<String, Object>> aclMap = new LinkedHashMap<String, Map<String,Object>>(); |
| int sequence = 0; |
| for (AccessControlEntry ace : declaredAccessControlEntries) { |
| Principal principal = ace.getPrincipal(); |
| Map<String, Object> map = aclMap.get(principal.getName()); |
| if (map == null) { |
| map = new LinkedHashMap<String, Object>(); |
| aclMap.put(principal.getName(), map); |
| map.put("order", sequence++); |
| } |
| |
| boolean allow = AccessControlUtil.isAllow(ace); |
| if (allow) { |
| Set<String> grantedSet = (Set<String>) map.get("granted"); |
| if (grantedSet == null) { |
| grantedSet = new LinkedHashSet<String>(); |
| map.put("granted", grantedSet); |
| } |
| Privilege[] privileges = ace.getPrivileges(); |
| for (Privilege privilege : privileges) { |
| grantedSet.add(privilege.getName()); |
| } |
| } else { |
| Set<String> deniedSet = (Set<String>) map.get("denied"); |
| if (deniedSet == null) { |
| deniedSet = new LinkedHashSet<String>(); |
| map.put("denied", deniedSet); |
| } |
| Privilege[] privileges = ace.getPrivileges(); |
| for (Privilege privilege : privileges) { |
| deniedSet.add(privilege.getName()); |
| } |
| } |
| } |
| |
| List<JSONObject> aclList = new ArrayList<JSONObject>(); |
| Set<Entry<String, Map<String, Object>>> entrySet = aclMap.entrySet(); |
| for (Entry<String, Map<String, Object>> entry : entrySet) { |
| String principalName = entry.getKey(); |
| Map<String, Object> value = entry.getValue(); |
| |
| JSONObject aceObject = new JSONObject(); |
| aceObject.put("principal", principalName); |
| |
| Set<String> grantedSet = (Set<String>) value.get("granted"); |
| if (grantedSet != null) { |
| aceObject.put("granted", grantedSet); |
| } |
| |
| Set<String> deniedSet = (Set<String>) value.get("denied"); |
| if (deniedSet != null) { |
| aceObject.put("denied", deniedSet); |
| } |
| aceObject.put("order", value.get("order")); |
| aclList.add(aceObject); |
| } |
| JSONObject jsonAclMap = new JSONObject(aclMap); |
| for ( JSONObject jsonObj : aclList) { |
| jsonAclMap.put(jsonObj.getString("principal"), jsonObj); |
| } |
| |
| return jsonAclMap; |
| } |
| |
| protected abstract AccessControlEntry[] getAccessControlEntries(Session session, String absPath) throws RepositoryException; |
| |
| } |