/**
* 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.cxf.rs.security.oauth2.utils;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.ResponseBuilder;
import org.apache.cxf.common.util.Base64Utility;
import org.apache.cxf.jaxrs.ext.MessageContext;
import org.apache.cxf.jaxrs.utils.ExceptionUtils;
import org.apache.cxf.jaxrs.utils.JAXRSUtils;
/**
* Authorization helpers
*/
public final class AuthorizationUtils {
private AuthorizationUtils() {
}
public static String[] getBasicAuthUserInfo(MessageContext mc) {
String[] parts = AuthorizationUtils.getAuthorizationParts(mc);
if (parts.length == 2) {
return getBasicAuthParts(parts[1]);
} else {
return null;
}
}
public static String[] getBasicAuthParts(String basicAuthData) {
String authDecoded = null;
try {
authDecoded = new String(Base64Utility.decode(basicAuthData));
} catch (Exception ex) {
throw ExceptionUtils.toNotAuthorizedException(ex, null);
}
String authInfo[] = authDecoded.split(":");
if (authInfo.length == 2) {
return authInfo;
}
throw ExceptionUtils.toNotAuthorizedException(null, null);
}
public static String[] getAuthorizationParts(MessageContext mc) {
return getAuthorizationParts(mc, Collections.singleton("Basic"));
}
public static String[] getAuthorizationParts(MessageContext mc,
Set<String> challenges) {
return getAuthorizationParts(mc, challenges, null);
}
public static String[] getAuthorizationParts(MessageContext mc,
Set<String> challenges,
String realm) {
List<String> headers = mc.getHttpHeaders().getRequestHeader("Authorization");
if (headers != null && headers.size() == 1) {
String[] parts = headers.get(0).split(" ");
if (parts.length > 0
&& (challenges == null || challenges.isEmpty()
|| challenges.contains(parts[0])
|| challenges.size() == 1 && challenges.contains("*"))) {
return parts;
}
}
throwAuthorizationFailure(challenges, realm);
return null;
}
public static void throwAuthorizationFailure(Set<String> challenges) {
throwAuthorizationFailure(challenges, null);
}
public static void throwAuthorizationFailure(Set<String> challenges, String realm) {
throwAuthorizationFailure(challenges, realm, null);
}
public static void throwAuthorizationFailure(Set<String> challenges, String realm, Throwable cause) {
ResponseBuilder rb = JAXRSUtils.toResponseBuilder(401);
StringBuilder sb = new StringBuilder();
for (String challenge : challenges) {
if ("*".equals(challenge)) {
continue;
}
if (sb.length() > 0) {
sb.append(",");
}
sb.append(challenge);
}
if (sb.length() > 0) {
if (realm != null) {
sb.append(" realm=\"" + realm + "\"");
}
rb.header(HttpHeaders.WWW_AUTHENTICATE, sb.toString());
}
Response r = null;
if (cause != null) {
r = rb.entity(cause.getMessage()).build();
} else {
r = rb.build();
}
throw ExceptionUtils.toNotAuthorizedException(cause, r);
}
}