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/*
* Copyright 2015 - 2023 Anton Tananaev (anton@traccar.org)
*
* Licensed 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.traccar.api.security;
import com.google.inject.Injector;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.traccar.api.resource.SessionResource;
import org.traccar.database.StatisticsManager;
import org.traccar.helper.DataConverter;
import org.traccar.model.User;
import org.traccar.storage.StorageException;
import jakarta.annotation.security.PermitAll;
import jakarta.inject.Inject;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.ws.rs.WebApplicationException;
import jakarta.ws.rs.container.ContainerRequestContext;
import jakarta.ws.rs.container.ContainerRequestFilter;
import jakarta.ws.rs.container.ResourceInfo;
import jakarta.ws.rs.core.Context;
import jakarta.ws.rs.core.Response;
import jakarta.ws.rs.core.SecurityContext;
import java.io.IOException;
import java.lang.reflect.Method;
import java.nio.charset.StandardCharsets;
import java.security.GeneralSecurityException;
import java.util.Date;
public class SecurityRequestFilter implements ContainerRequestFilter {
private static final Logger LOGGER = LoggerFactory.getLogger(SecurityRequestFilter.class);
public static String[] decodeBasicAuth(String auth) {
auth = auth.replaceFirst("[B|b]asic ", "");
byte[] decodedBytes = DataConverter.parseBase64(auth);
if (decodedBytes != null && decodedBytes.length > 0) {
return new String(decodedBytes, StandardCharsets.US_ASCII).split(":", 2);
}
return null;
}
@Context
private HttpServletRequest request;
@Context
private ResourceInfo resourceInfo;
@Inject
private LoginService loginService;
@Inject
private StatisticsManager statisticsManager;
@Inject
private Injector injector;
@Override
public void filter(ContainerRequestContext requestContext) {
if (requestContext.getMethod().equals("OPTIONS")) {
return;
}
SecurityContext securityContext = null;
try {
String authHeader = requestContext.getHeaderString("Authorization");
if (authHeader != null) {
try {
LoginResult loginResult;
if (authHeader.startsWith("Bearer ")) {
loginResult = loginService.login(authHeader.substring(7));
} else {
String[] auth = decodeBasicAuth(authHeader);
loginResult = loginService.login(auth[0], auth[1], null);
}
if (loginResult != null) {
User user = loginResult.getUser();
statisticsManager.registerRequest(user.getId());
securityContext = new UserSecurityContext(
new UserPrincipal(user.getId(), loginResult.getExpiration()));
}
} catch (StorageException | GeneralSecurityException | IOException e) {
throw new WebApplicationException(e);
}
} else if (request.getSession() != null) {
Long userId = (Long) request.getSession().getAttribute(SessionResource.USER_ID_KEY);
Date expiration = (Date) request.getSession().getAttribute(SessionResource.EXPIRATION_KEY);
if (userId != null) {
User user = injector.getInstance(PermissionsService.class).getUser(userId);
if (user != null) {
user.checkDisabled();
statisticsManager.registerRequest(userId);
securityContext = new UserSecurityContext(new UserPrincipal(userId, expiration));
}
}
}
} catch (SecurityException | StorageException e) {
LOGGER.warn("Authentication error", e);
}
if (securityContext != null) {
requestContext.setSecurityContext(securityContext);
} else {
Method method = resourceInfo.getResourceMethod();
if (!method.isAnnotationPresent(PermitAll.class)) {
Response.ResponseBuilder responseBuilder = Response.status(Response.Status.UNAUTHORIZED);
String accept = request.getHeader("Accept");
if (accept != null && accept.contains("text/html")) {
responseBuilder.header("WWW-Authenticate", "Basic realm=\"api\"");
}
throw new WebApplicationException(responseBuilder.build());
}
}
}
}
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