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/*******************************************************************************
* Cloud Foundry
* Copyright (c) [2009-2016] Pivotal Software, Inc. All Rights Reserved.
*
* This product is licensed to you under the Apache License, Version 2.0 (the "License").
* You may not use this product except in compliance with the License.
*
* This product includes a number of subcomponents with
* separate copyright notices and license terms. Your use of these
* subcomponents is subject to the terms and conditions of the
* subcomponent's license, as noted in the LICENSE file.
*******************************************************************************/
package org.cloudfoundry.identity.uaa.account;
import org.cloudfoundry.identity.uaa.account.event.PasswordChangeEvent;
import org.cloudfoundry.identity.uaa.account.event.PasswordChangeFailureEvent;
import org.cloudfoundry.identity.uaa.account.event.ResetPasswordRequestEvent;
import org.cloudfoundry.identity.uaa.authentication.InvalidCodeException;
import org.cloudfoundry.identity.uaa.authentication.UaaAuthentication;
import org.cloudfoundry.identity.uaa.authentication.UaaPrincipal;
import org.cloudfoundry.identity.uaa.codestore.ExpiringCode;
import org.cloudfoundry.identity.uaa.codestore.ExpiringCodeStore;
import org.cloudfoundry.identity.uaa.constants.OriginKeys;
import org.cloudfoundry.identity.uaa.error.UaaException;
import org.cloudfoundry.identity.uaa.scim.ScimUser;
import org.cloudfoundry.identity.uaa.scim.ScimUserProvisioning;
import org.cloudfoundry.identity.uaa.scim.endpoints.PasswordChange;
import org.cloudfoundry.identity.uaa.scim.exception.InvalidPasswordException;
import org.cloudfoundry.identity.uaa.scim.validate.PasswordValidator;
import org.cloudfoundry.identity.uaa.user.UaaUser;
import org.cloudfoundry.identity.uaa.util.JsonUtils;
import org.cloudfoundry.identity.uaa.util.UaaUrlUtils;
import org.cloudfoundry.identity.uaa.zone.ClientServicesExtension;
import org.cloudfoundry.identity.uaa.zone.IdentityZoneHolder;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.ApplicationEventPublisherAware;
import org.springframework.core.io.support.ResourcePropertySource;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.oauth2.provider.ClientDetails;
import org.springframework.security.oauth2.provider.NoSuchClientException;
import java.sql.Timestamp;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Set;
import static java.util.Collections.emptyList;
import static org.springframework.http.HttpStatus.UNPROCESSABLE_ENTITY;
import static org.springframework.util.StringUtils.isEmpty;
public class UaaResetPasswordService implements ResetPasswordService, ApplicationEventPublisherAware {
public static final int PASSWORD_RESET_LIFETIME = 30 * 60 * 1000;
public static final String FORGOT_PASSWORD_INTENT_PREFIX = "forgot_password_for_id:";
private final ScimUserProvisioning scimUserProvisioning;
private final ExpiringCodeStore expiringCodeStore;
private final PasswordValidator passwordValidator;
private final ClientServicesExtension clientDetailsService;
private ResourcePropertySource resourcePropertySource;
private ApplicationEventPublisher publisher;
public UaaResetPasswordService(ScimUserProvisioning scimUserProvisioning,
ExpiringCodeStore expiringCodeStore,
PasswordValidator passwordValidator,
ClientServicesExtension clientDetailsService,
ResourcePropertySource resourcePropertySource) {
this.scimUserProvisioning = scimUserProvisioning;
this.expiringCodeStore = expiringCodeStore;
this.passwordValidator = passwordValidator;
this.clientDetailsService = clientDetailsService;
this.resourcePropertySource = resourcePropertySource;
}
@Override
public ResetPasswordResponse resetPassword(ExpiringCode code, String newPassword) {
passwordValidator.validate(newPassword);
return changePasswordCodeAuthenticated(code, newPassword);
}
@Override
public void resetUserPassword(String userId, String password) {
if (scimUserProvisioning.checkPasswordMatches(userId, password, IdentityZoneHolder.get().getId())) {
throw new InvalidPasswordException(resourcePropertySource.getProperty("force_password_change.same_as_old").toString(), UNPROCESSABLE_ENTITY);
}
passwordValidator.validate(password);
ScimUser user = scimUserProvisioning.retrieve(userId, IdentityZoneHolder.get().getId());
UaaUser uaaUser = getUaaUser(user);
Authentication authentication = constructAuthentication(uaaUser);
updatePasswordAndPublishEvent(scimUserProvisioning, uaaUser, authentication, password);
}
private ResetPasswordResponse changePasswordCodeAuthenticated(ExpiringCode expiringCode, String newPassword) {
String userId;
String userName;
Date passwordLastModified;
String clientId;
String redirectUri;
PasswordChange change;
try {
change = JsonUtils.readValue(expiringCode.getData(), PasswordChange.class);
} catch (JsonUtils.JsonUtilException x) {
throw new InvalidCodeException("invalid_code", "Sorry, your reset password link is no longer valid. Please request a new one", 422);
}
userId = change.getUserId();
userName = change.getUsername();
passwordLastModified = change.getPasswordModifiedTime();
clientId = change.getClientId();
redirectUri = change.getRedirectUri();
ScimUser user = scimUserProvisioning.retrieve(userId, IdentityZoneHolder.get().getId());
UaaUser uaaUser = getUaaUser(user);
Authentication authentication = constructAuthentication(uaaUser);
try {
if (scimUserProvisioning.checkPasswordMatches(userId, newPassword, IdentityZoneHolder.get().getId())) {
throw new InvalidPasswordException("Your new password cannot be the same as the old password.", UNPROCESSABLE_ENTITY);
}
if (isUserModified(user, userName, passwordLastModified)) {
throw new UaaException("Invalid password reset request.");
}
if (!user.isVerified()) {
scimUserProvisioning.verifyUser(userId, -1, IdentityZoneHolder.get().getId());
}
updatePasswordAndPublishEvent(scimUserProvisioning, uaaUser, authentication, newPassword);
String redirectLocation = "home";
if (!isEmpty(clientId) && !isEmpty(redirectUri)) {
try {
ClientDetails clientDetails = clientDetailsService.loadClientByClientId(clientId, IdentityZoneHolder.get().getId());
Set redirectUris = clientDetails.getRegisteredRedirectUri() == null ? Collections.emptySet() :
clientDetails.getRegisteredRedirectUri();
String matchingRedirectUri = UaaUrlUtils.findMatchingRedirectUri(redirectUris, redirectUri, redirectLocation);
if (matchingRedirectUri != null) {
redirectLocation = matchingRedirectUri;
}
} catch (NoSuchClientException nsce) {}
}
return new ResetPasswordResponse(user, redirectLocation, clientId);
} catch (Exception e) {
publish(new PasswordChangeFailureEvent(e.getMessage(), uaaUser, authentication));
throw e;
}
}
@Override
public ForgotPasswordInfo forgotPassword(String username, String clientId, String redirectUri) {
String jsonUsername = JsonUtils.writeValueAsString(username);
List results = scimUserProvisioning.query("userName eq " + jsonUsername + " and origin eq \"" + OriginKeys.UAA + "\"", IdentityZoneHolder.get().getId());
if (results.isEmpty()) {
results = scimUserProvisioning.query("userName eq " + jsonUsername, IdentityZoneHolder.get().getId());
if (results.isEmpty()) {
throw new NotFoundException();
} else {
throw new ConflictException(results.get(0).getId(), results.get(0).getPrimaryEmail());
}
}
ScimUser scimUser = results.get(0);
PasswordChange change = new PasswordChange(scimUser.getId(), scimUser.getUserName(), scimUser.getPasswordLastModified(), clientId, redirectUri);
String intent = FORGOT_PASSWORD_INTENT_PREFIX+scimUser.getId();
expiringCodeStore.expireByIntent(intent, IdentityZoneHolder.get().getId());
ExpiringCode code = expiringCodeStore.generateCode(JsonUtils.writeValueAsString(change), new Timestamp(System.currentTimeMillis() + PASSWORD_RESET_LIFETIME), intent, IdentityZoneHolder.get().getId());
String email = scimUser.getPrimaryEmail();
if (email == null) {
email = scimUser.getUserName();
}
publish(new ResetPasswordRequestEvent(username, email, code.getCode(), SecurityContextHolder.getContext().getAuthentication()));
return new ForgotPasswordInfo(scimUser.getId(), email, code);
}
private boolean isUserModified(ScimUser user, String userName, Date passwordLastModified) {
boolean modified = false;
if (userName != null) {
modified = !(userName.equals(user.getUserName()));
}
if (passwordLastModified != null && (!modified)) {
modified = user.getPasswordLastModified().getTime() != passwordLastModified.getTime();
}
return modified;
}
private UaaUser getUaaUser(ScimUser scimUser) {
Date today = new Date();
return new UaaUser(scimUser.getId(), scimUser.getUserName(), "N/A", scimUser.getPrimaryEmail(), null,
scimUser.getGivenName(),
scimUser.getFamilyName(), today, today,
scimUser.getOrigin(), scimUser.getExternalId(), scimUser.isVerified(), scimUser.getZoneId(), scimUser.getSalt(),
scimUser.getPasswordLastModified());
}
@Override
public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
this.publisher = applicationEventPublisher;
}
protected void publish(ApplicationEvent event) {
if (publisher!=null) {
publisher.publishEvent(event);
}
}
private UaaAuthentication constructAuthentication(UaaUser uaaUser) {
return new UaaAuthentication(new UaaPrincipal(uaaUser), emptyList(), null);
}
private void updatePasswordAndPublishEvent(ScimUserProvisioning scimUserProvisioning, UaaUser uaaUser, Authentication authentication, String newPassword){
scimUserProvisioning.changePassword(uaaUser.getId(), null, newPassword, IdentityZoneHolder.get().getId());
scimUserProvisioning.updatePasswordChangeRequired(uaaUser.getId(), false, IdentityZoneHolder.get().getId());
publish(new PasswordChangeEvent("Password changed", uaaUser, authentication));
}
}