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/*
* SonarQube
* Copyright (C) 2009-2018 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.server.authentication;
import com.google.common.collect.ImmutableSet;
import java.util.Optional;
import java.util.Set;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.sonar.api.config.Configuration;
import org.sonar.api.server.ServerSide;
import org.sonar.api.web.ServletFilter.UrlPattern;
import org.sonar.db.user.UserDto;
import org.sonar.server.authentication.event.AuthenticationEvent;
import org.sonar.server.authentication.event.AuthenticationEvent.Method;
import org.sonar.server.authentication.event.AuthenticationEvent.Source;
import org.sonar.server.authentication.event.AuthenticationException;
import org.sonar.server.user.ThreadLocalUserSession;
import org.sonar.server.user.UserSession;
import org.sonar.server.user.UserSessionFactory;
import static java.net.HttpURLConnection.HTTP_UNAUTHORIZED;
import static org.apache.commons.lang.StringUtils.defaultString;
import static org.sonar.api.CoreProperties.CORE_FORCE_AUTHENTICATION_PROPERTY;
import static org.sonar.api.web.ServletFilter.UrlPattern.Builder.staticResourcePatterns;
import static org.sonar.server.authentication.AuthenticationError.handleAuthenticationError;
import static org.sonar.server.authentication.ws.LoginAction.LOGIN_URL;
import static org.sonar.server.authentication.ws.LogoutAction.LOGOUT_URL;
import static org.sonar.server.authentication.ws.ValidateAction.VALIDATE_URL;
@ServerSide
public class UserSessionInitializer {
/**
* Key of attribute to be used for displaying user login
* in logs/access.log. The pattern to be configured
* in property sonar.web.accessLogs.pattern is "%reqAttribute{LOGIN}"
*/
private static final String ACCESS_LOG_LOGIN = "LOGIN";
// SONAR-6546 these urls should be get from WebService
private static final Set SKIPPED_URLS = ImmutableSet.of(
"/batch/index", "/batch/file",
"/maintenance/*", "/setup/*",
"/sessions/*", "/oauth2/callback/*",
"/api/system/db_migration_status", "/api/system/status", "/api/system/migrate_db",
"/api/server/version",
"/api/users/identity_providers", "/api/l10n/index",
LOGIN_URL, LOGOUT_URL, VALIDATE_URL);
private static final UrlPattern URL_PATTERN = UrlPattern.builder()
.includes("/*")
.excludes(staticResourcePatterns())
.excludes(SKIPPED_URLS)
.build();
private final Configuration config;
private final ThreadLocalUserSession threadLocalSession;
private final AuthenticationEvent authenticationEvent;
private final UserSessionFactory userSessionFactory;
private final Authenticators authenticators;
public UserSessionInitializer(Configuration config, ThreadLocalUserSession threadLocalSession, AuthenticationEvent authenticationEvent,
UserSessionFactory userSessionFactory, Authenticators authenticators) {
this.config = config;
this.threadLocalSession = threadLocalSession;
this.authenticationEvent = authenticationEvent;
this.userSessionFactory = userSessionFactory;
this.authenticators = authenticators;
}
public boolean initUserSession(HttpServletRequest request, HttpServletResponse response) {
String path = request.getRequestURI().replaceFirst(request.getContextPath(), "");
try {
// Do not set user session when url is excluded
if (URL_PATTERN.matches(path)) {
loadUserSession(request, response);
}
return true;
} catch (AuthenticationException e) {
authenticationEvent.loginFailure(request, e);
if (isWsUrl(path)) {
response.setStatus(HTTP_UNAUTHORIZED);
return false;
}
if (isNotLocalOrJwt(e.getSource())) {
// redirect to Unauthorized error page
handleAuthenticationError(e, response, request.getContextPath());
return false;
}
// Web pages should redirect to the index.html file
return true;
}
}
private static boolean isNotLocalOrJwt(Source source) {
AuthenticationEvent.Provider provider = source.getProvider();
return provider != AuthenticationEvent.Provider.LOCAL && provider != AuthenticationEvent.Provider.JWT;
}
private void loadUserSession(HttpServletRequest request, HttpServletResponse response) {
UserSession session;
Optional user = authenticators.authenticate(request, response);
if (user.isPresent()) {
session = userSessionFactory.create(user.get());
} else {
failIfAuthenticationIsRequired();
session = userSessionFactory.createAnonymous();
}
threadLocalSession.set(session);
request.setAttribute(ACCESS_LOG_LOGIN, defaultString(session.getLogin(), "-"));
}
private void failIfAuthenticationIsRequired() {
if (config.getBoolean(CORE_FORCE_AUTHENTICATION_PROPERTY).orElse(false)) {
throw AuthenticationException.newBuilder()
.setSource(Source.local(Method.BASIC))
.setMessage("User must be authenticated")
.build();
}
}
public void removeUserSession() {
threadLocalSession.unload();
}
private static boolean isWsUrl(String path) {
return path.startsWith("/batch/") || path.startsWith("/api/");
}
}
