/*
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* Copyright 2011 gitblit.com.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.gitblit.wicket;
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import java.text.MessageFormat;
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import org.apache.wicket.IRequestTarget;
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import org.apache.wicket.Page;
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import org.apache.wicket.PageParameters;
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import org.apache.wicket.request.RequestParameters;
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import org.apache.wicket.request.target.coding.MixedParamUrlCodingStrategy;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.gitblit.GitBlit;
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import com.gitblit.Keys;
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/**
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* Simple subclass of mixed parameter url coding strategy that works around the
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* encoded forward-slash issue that is present in some servlet containers.
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*
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* https://issues.apache.org/jira/browse/WICKET-1303
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* http://tomcat.apache.org/security-6.html
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*
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* @author James Moger
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*
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*/
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public class GitblitParamUrlCodingStrategy extends MixedParamUrlCodingStrategy {
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private Logger logger = LoggerFactory.getLogger(GitblitParamUrlCodingStrategy.class);
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/**
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* Construct.
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*
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* @param <C>
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* @param mountPath
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* mount path (not empty)
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* @param bookmarkablePageClass
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* class of mounted page (not null)
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* @param parameterNames
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* the parameter names (not null)
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*/
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public <C extends Page> GitblitParamUrlCodingStrategy(String mountPath,
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Class<C> bookmarkablePageClass, String[] parameterNames) {
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super(mountPath, bookmarkablePageClass, parameterNames);
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}
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/**
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* Url encodes a string that is mean for a URL path (e.g., between slashes)
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*
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* @param string
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* string to be encoded
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* @return encoded string
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*/
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protected String urlEncodePathComponent(String string) {
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char altChar = GitBlit.getChar(Keys.web.forwardSlashCharacter, '/');
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if (altChar != '/') {
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string = string.replace('/', altChar);
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}
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return super.urlEncodePathComponent(string);
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}
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/**
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* Returns a decoded value of the given value (taken from a URL path
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* section)
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*
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* @param value
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* @return Decodes the value
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*/
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protected String urlDecodePathComponent(String value) {
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char altChar = GitBlit.getChar(Keys.web.forwardSlashCharacter, '/');
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if (altChar != '/') {
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value = value.replace(altChar, '/');
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}
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return super.urlDecodePathComponent(value);
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}
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/**
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* Gets the decoded request target.
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*
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* @param requestParameters
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* the request parameters
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* @return the decoded request target
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*/
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@Override
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public IRequestTarget decode(RequestParameters requestParameters) {
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final String parametersFragment = requestParameters.getPath().substring(
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getMountPath().length());
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logger.debug(MessageFormat
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.format("REQ: {0} PARAMS {1}", getMountPath(), parametersFragment));
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final PageParameters parameters = new PageParameters(decodeParameters(parametersFragment,
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requestParameters.getParameters()));
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return super.decode(requestParameters);
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}
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}
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