| /* |
| * 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.jackrabbit.usermanager.impl.post; |
| |
| import java.lang.reflect.Method; |
| import java.util.Dictionary; |
| import java.util.List; |
| |
| import javax.jcr.Credentials; |
| import javax.jcr.RepositoryException; |
| import javax.jcr.Session; |
| import javax.jcr.SimpleCredentials; |
| import org.apache.jackrabbit.api.security.user.Authorizable; |
| import org.apache.jackrabbit.api.security.user.Group; |
| import org.apache.jackrabbit.api.security.user.User; |
| import org.apache.jackrabbit.api.security.user.UserManager; |
| import org.apache.sling.api.SlingHttpServletRequest; |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.api.resource.ResourceNotFoundException; |
| import org.apache.sling.api.servlets.HtmlResponse; |
| import org.apache.sling.commons.osgi.OsgiUtil; |
| import org.apache.sling.jackrabbit.usermanager.ChangeUserPassword; |
| import org.apache.sling.jackrabbit.usermanager.impl.resource.AuthorizableResourceProvider; |
| import org.apache.sling.jcr.base.util.AccessControlUtil; |
| import org.apache.sling.servlets.post.Modification; |
| import org.osgi.service.component.ComponentContext; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * <p> |
| * Changes the password associated with a user. Maps on to nodes of resourceType <code>sling/user</code> like |
| * <code>/rep:system/rep:userManager/rep:users/ae/fd/3e/ieb</code> mapped to a resource url |
| * <code>/system/userManager/user/ieb</code>. This servlet responds at |
| * <code>/system/userManager/user/ieb.changePassword.html</code> |
| * </p> |
| * <h4>Methods</h4> |
| * <ul> |
| * <li>POST</li> |
| * </ul> |
| * <h4>Post Parameters</h4> |
| * <dl> |
| * <dt>oldPwd</dt> |
| * <dd>The current password for the user (required for non-administrators)</dd> |
| * <dt>newPwd</dt> |
| * <dd>The new password for the user (required)</dd> |
| * <dt>newPwdConfirm</dt> |
| * <dd>The confirm new password for the user (required)</dd> |
| * </dl> |
| * <h4>Response</h4> |
| * <dl> |
| * <dt>200</dt> |
| * <dd>Success sent with no body</dd> |
| * <dt>404</dt> |
| * <dd>If the user was not found.</dd> |
| * <dt>500</dt> |
| * <dd>Failure, including password validation errors. HTML explains the failure.</dd> |
| * </dl> |
| * <h4>Example</h4> |
| * |
| * <code> |
| * curl -FoldPwd=oldpassword -FnewPwd=newpassword -FnewPwdConfirm=newpassword http://localhost:8080/system/userManager/user/ieb.changePassword.html |
| * </code> |
| * |
| * <h4>Notes</h4> |
| * |
| * |
| * @scr.component immediate="true" |
| * @scr.service interface="javax.servlet.Servlet" |
| * @scr.service interface="org.apache.sling.jackrabbit.usermanager.ChangeUserPassword" |
| * @scr.property name="sling.servlet.resourceTypes" value="sling/user" |
| * @scr.property name="sling.servlet.methods" value="POST" |
| * @scr.property name="sling.servlet.selectors" value="changePassword" |
| */ |
| public class ChangeUserPasswordServlet extends AbstractUserPostServlet implements ChangeUserPassword { |
| private static final long serialVersionUID = 1923614318474654502L; |
| |
| /** |
| * default log |
| */ |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| /** |
| * The name of the configuration parameter providing the |
| * name of the group whose members are allowed to reset the password |
| * of a user without the 'oldPwd' value. |
| * |
| * @scr.property valueRef="DEFAULT_USER_ADMIN_GROUP_NAME" |
| */ |
| private static final String PAR_USER_ADMIN_GROUP_NAME = "user.admin.group.name"; |
| |
| /** |
| * The default 'User administrator' group name |
| * |
| * @see #PAR_USER_ADMIN_GROUP_NAME |
| */ |
| private static final String DEFAULT_USER_ADMIN_GROUP_NAME = "UserAdmin"; |
| |
| private String userAdminGroupName = DEFAULT_USER_ADMIN_GROUP_NAME; |
| |
| // ---------- SCR integration --------------------------------------------- |
| |
| /** |
| * Activates this component. |
| * |
| * @param componentContext The OSGi <code>ComponentContext</code> of this |
| * component. |
| */ |
| protected void activate(ComponentContext componentContext) { |
| super.activate(componentContext); |
| Dictionary<?, ?> props = componentContext.getProperties(); |
| |
| this.userAdminGroupName = OsgiUtil.toString(props.get(PAR_USER_ADMIN_GROUP_NAME), |
| DEFAULT_USER_ADMIN_GROUP_NAME); |
| log.info("User Admin Group Name {}", this.userAdminGroupName); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see |
| * org.apache.sling.jackrabbit.usermanager.post.AbstractAuthorizablePostServlet |
| * #handleOperation(org.apache.sling.api.SlingHttpServletRequest, |
| * org.apache.sling.api.servlets.HtmlResponse, java.util.List) |
| */ |
| @Override |
| protected void handleOperation(SlingHttpServletRequest request, |
| HtmlResponse htmlResponse, List<Modification> changes) |
| throws RepositoryException { |
| |
| Resource resource = request.getResource(); |
| Session session = request.getResourceResolver().adaptTo(Session.class); |
| changePassword(session, |
| resource.getName(), |
| request.getParameter("oldPwd"), |
| request.getParameter("newPwd"), |
| request.getParameter("newPwdConfirm"), |
| changes); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.apache.sling.jackrabbit.usermanager.ChangeUserPassword#changePassword(javax.jcr.Session, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.util.List) |
| */ |
| public User changePassword(Session jcrSession, |
| String name, |
| String oldPassword, |
| String newPassword, |
| String newPasswordConfirm, |
| List<Modification> changes) |
| throws RepositoryException { |
| |
| if ("anonymous".equals(name)) { |
| throw new RepositoryException( |
| "Can not change the password of the anonymous user."); |
| } |
| |
| User user; |
| UserManager userManager = AccessControlUtil.getUserManager(jcrSession); |
| Authorizable authorizable = userManager.getAuthorizable(name); |
| if (authorizable instanceof User) { |
| user = (User)authorizable; |
| } else { |
| throw new ResourceNotFoundException( |
| "User to update could not be determined"); |
| } |
| |
| //SLING-2069: if the current user is an administrator, then a missing oldPwd is ok, |
| // otherwise the oldPwd must be supplied. |
| boolean administrator = false; |
| |
| // check that the submitted parameter values have valid values. |
| if (oldPassword == null || oldPassword.length() == 0) { |
| try { |
| UserManager um = AccessControlUtil.getUserManager(jcrSession); |
| User currentUser = (User) um.getAuthorizable(jcrSession.getUserID()); |
| administrator = currentUser.isAdmin(); |
| |
| if (!administrator) { |
| //check if the user is a member of the 'User administrator' group |
| Authorizable userAdmin = um.getAuthorizable(this.userAdminGroupName); |
| if (userAdmin instanceof Group) { |
| boolean isMember = ((Group)userAdmin).isMember(currentUser); |
| if (isMember) { |
| administrator = true; |
| } |
| } |
| |
| } |
| } catch ( Exception ex ) { |
| log.warn("Failed to determine if the user is an admin, assuming not. Cause: "+ex.getMessage()); |
| administrator = false; |
| } |
| if (!administrator) { |
| throw new RepositoryException("Old Password was not submitted"); |
| } |
| } |
| if (newPassword == null || newPassword.length() == 0) { |
| throw new RepositoryException("New Password was not submitted"); |
| } |
| if (!newPassword.equals(newPasswordConfirm)) { |
| throw new RepositoryException( |
| "New Password does not match the confirmation password"); |
| } |
| |
| if (oldPassword != null && oldPassword.length() > 0) { |
| // verify old password |
| checkPassword(authorizable, oldPassword); |
| } |
| |
| try { |
| ((User) authorizable).changePassword(digestPassword(newPassword)); |
| |
| String userPath = AuthorizableResourceProvider.SYSTEM_USER_MANAGER_GROUP_PREFIX |
| + user.getID(); |
| |
| changes.add(Modification.onModified(userPath |
| + "/rep:password")); |
| } catch (RepositoryException re) { |
| throw new RepositoryException("Failed to change user password.", re); |
| } |
| |
| return user; |
| } |
| |
| |
| private void checkPassword(Authorizable authorizable, String oldPassword) |
| throws RepositoryException { |
| Credentials oldCreds = ((User) authorizable).getCredentials(); |
| if (oldCreds instanceof SimpleCredentials) { |
| char[] oldCredsPwd = ((SimpleCredentials) oldCreds).getPassword(); |
| if (oldPassword.equals(String.valueOf(oldCredsPwd))) { |
| return; |
| } |
| } else { |
| try { |
| // CryptSimpleCredentials.matches(SimpleCredentials credentials) |
| Class<?> oldCredsClass = oldCreds.getClass(); |
| Method matcher = oldCredsClass.getMethod("matches", |
| SimpleCredentials.class); |
| SimpleCredentials newCreds = new SimpleCredentials( |
| authorizable.getPrincipal().getName(), |
| oldPassword.toCharArray()); |
| boolean match = (Boolean) matcher.invoke(oldCreds, newCreds); |
| if (match) { |
| return; |
| } |
| } catch (Throwable t) { |
| // failure here, fall back to password check failure below |
| } |
| } |
| |
| throw new RepositoryException("Old Password does not match"); |
| } |
| } |
