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/*
* Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
*
* 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;
import java.sql.SQLException;
import java.util.List;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.TreeSet;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.core.MultivaluedMap;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
import org.jboss.netty.handler.codec.base64.Base64;
import org.jboss.netty.util.CharsetUtil;
import org.traccar.Context;
import org.traccar.model.User;
public final class AuthorizationBasic {
private AuthorizationBasic() {
}
public static final String AUTHORIZATION_HEADER = "Authorization";
public static final String AUTHORIZATION_SCHEME_VALUE = "Basic";
public static final String REGEX = AUTHORIZATION_SCHEME_VALUE + " ";
public static final String REPLACEMENT = "";
public static final String TOKENIZER = ":";
public static final String USERNAME = "username";
public static final String PASSWORD = "password";
public static final String WWW_AUTHENTICATE_VALUE = "Basic realm=\"api\"";
public static UserPrincipal getUserPrincipal(ContainerRequestContext requestContext) {
final MultivaluedMap<String, String> headers = requestContext.getHeaders();
final List<String> authorization = headers.get(AUTHORIZATION_HEADER);
if (authorization == null || authorization.isEmpty()) {
return null;
}
final String encodedUsernameAndPassword = authorization.get(0).replaceFirst(REGEX, REPLACEMENT);
ChannelBuffer buffer = ChannelBuffers.copiedBuffer(encodedUsernameAndPassword, CharsetUtil.UTF_8);
String usernameAndPassword = Base64.decode(buffer).toString(CharsetUtil.UTF_8);
final StringTokenizer tokenizer = new StringTokenizer(usernameAndPassword, TOKENIZER);
String username = tokenizer.nextToken();
String password = tokenizer.nextToken();
Set<String> roles = new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
UserPrincipal userPrincipal = new UserPrincipal(username, password, roles);
return userPrincipal;
}
public static boolean isAuthenticatedUser(UserPrincipal userPrincipal) {
if (userPrincipal.getName() != null && userPrincipal.getPassword() != null) {
User user;
try {
user = Context.getDataManager().login(userPrincipal.getName(), userPrincipal.getPassword());
} catch (SQLException e) {
return false;
}
if (user != null) {
userPrincipal.setId(user.getId());
/*
for (Role role : user.getRoles()) {
userPrincipal.getRoles().add(role.getName());
}
*/
//Temporary solution
userPrincipal.getRoles().add(User.ROLE_USER);
if (user.getAdmin()) {
userPrincipal.getRoles().add(User.ROLE_ADMIN);
}
return true;
}
}
return false;
}
public static boolean isAuthorizedUser(UserPrincipal userPrincipal, Set<String> roles) {
for (String role : roles) {
if (userPrincipal.getRoles().contains(role)) {
return true;
}
}
return false;
}
}
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