io.helidon.security.jersey.QueryParamHandler Maven / Gradle / Ivy
/*
* Copyright (c) 2018 Oracle and/or its affiliates. All rights reserved.
*
* 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 io.helidon.security.jersey;
import java.util.List;
import java.util.Map;
import javax.ws.rs.core.UriInfo;
import io.helidon.config.Config;
import io.helidon.security.QueryParamMapping;
import io.helidon.security.util.TokenHandler;
/**
* Handler of query parameters - extracts them and stores
* them in a security header, so security can access them.
*/
public final class QueryParamHandler {
private final String paramName;
private final TokenHandler tokenHandler;
private QueryParamHandler(QueryParamMapping mapping) {
this.paramName = mapping.getQueryParamName();
this.tokenHandler = mapping.getTokenHandler();
}
/**
* Read a new instance from configuration.
*
* @param config configuration instance
* @return new query parameter handler instance
*/
public static QueryParamHandler from(Config config) {
return new QueryParamHandler(QueryParamMapping.from(config));
}
/**
* Create instance from an existing mapping.
*
* @param mapping mapping to use
* @return new query parameter handler instance
*/
public static QueryParamHandler from(QueryParamMapping mapping) {
return new QueryParamHandler(mapping);
}
void extract(UriInfo uriInfo, Map> headers) {
List values = uriInfo.getQueryParameters().get(paramName);
if (null == values) {
return;
}
values.forEach(token -> {
String tokenValue = tokenHandler.extractToken(token);
tokenHandler.addHeader(headers, tokenValue);
}
);
}
}