/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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.undertow.attribute;
import io.undertow.server.
HttpServerExchange;
import io.undertow.util.
QueryParameterUtils;
/**
* The relative path
*
* @author Stuart Douglas
*/
public class
RelativePathAttribute implements
ExchangeAttribute {
public static final
String RELATIVE_PATH_SHORT = "%R";
public static final
String RELATIVE_PATH = "%{RELATIVE_PATH}";
public static final
ExchangeAttribute INSTANCE = new
RelativePathAttribute();
private
RelativePathAttribute() {
}
@
Override
public
String readAttribute(final
HttpServerExchange exchange) {
return
exchange.
getRelativePath();
}
@
Override
public void
writeAttribute(final
HttpServerExchange exchange, final
String newValue) throws
ReadOnlyAttributeException {
int
pos =
newValue.
indexOf('?');
if (
pos == -1) {
exchange.
setRelativePath(
newValue);
String requestURI =
exchange.
getResolvedPath() +
newValue;
if(
requestURI.
contains("%")) {
//as the request URI is supposed to be encoded we need to replace
//percent characters with their encoded form, otherwise we can run into issues
//where the percent will be taked to be a encoded character
//TODO: should we fully encode this? It seems like it also has the potential to cause issues, and encoding the percent character is probably enough
exchange.
setRequestURI(
requestURI.
replaceAll("%", "%25"));
} else {
exchange.
setRequestURI(
requestURI);
}
exchange.
setRequestPath(
requestURI);
} else {
final
String path =
newValue.
substring(0,
pos);
exchange.
setRelativePath(
path);
String requestURI =
exchange.
getResolvedPath() +
path;
if(
requestURI.
contains("%")) {
exchange.
setRequestURI(
requestURI.
replaceAll("%", "%25"));
} else {
exchange.
setRequestURI(
requestURI);
}
exchange.
setRequestPath(
requestURI);
final
String newQueryString =
newValue.
substring(
pos);
exchange.
setQueryString(
newQueryString);
exchange.
getQueryParameters().
putAll(
QueryParameterUtils.
parseQueryString(
newQueryString.
substring(1),
QueryParameterUtils.
getQueryParamEncoding(
exchange)));
}
}
public static final class
Builder implements
ExchangeAttributeBuilder {
@
Override
public
String name() {
return "Relative Path";
}
@
Override
public
ExchangeAttribute build(final
String token) {
return
token.
equals(
RELATIVE_PATH) ||
token.
equals(
RELATIVE_PATH_SHORT) ?
INSTANCE : null;
}
@
Override
public int
priority() {
return 0;
}
}
}