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/*
* Copyright 2012 gitblit.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 com.gitblit;
import org.eclipse.jgit.lib.Repository;
import com.gitblit.Constants.AccessRestrictionType;
import com.gitblit.models.RepositoryModel;
import com.gitblit.models.UserModel;
/**
* The PagesFilter is an AccessRestrictionFilter which ensures the gh-pages
* requests for a view-restricted repository are authenticated and authorized.
*
* @author James Moger
*
*/
public class PagesFilter extends AccessRestrictionFilter {
/**
* Extract the repository name from the url.
*
* @param url
* @return repository name
*/
@Override
protected String extractRepositoryName(String url) {
// get the repository name from the url by finding a known url suffix
String repository = "";
Repository r = null;
int offset = 0;
while (r == null) {
int slash = url.indexOf('/', offset);
if (slash == -1) {
repository = url;
} else {
repository = url.substring(0, slash);
}
r = GitBlit.self().getRepository(repository, false);
if (r == null) {
// try again
offset = slash + 1;
} else {
// close the repo
r.close();
}
if (repository.equals(url)) {
// either only repository in url or no repository found
break;
}
}
return repository;
}
/**
* Analyze the url and returns the action of the request.
*
* @param url
* @return action of the request
*/
@Override
protected String getUrlRequestAction(String suffix) {
return "VIEW";
}
/**
* Determine if the action may be executed on the repository.
*
* @param repository
* @param action
* @return true if the action may be performed
*/
@Override
protected boolean isActionAllowed(RepositoryModel repository, String action) {
return true;
}
/**
* Determine if the repository requires authentication.
*
* @param repository
* @param action
* @return true if authentication required
*/
@Override
protected boolean requiresAuthentication(RepositoryModel repository, String action) {
return repository.accessRestriction.atLeast(AccessRestrictionType.VIEW);
}
/**
* Determine if the user can access the repository and perform the specified
* action.
*
* @param repository
* @param user
* @param action
* @return true if user may execute the action on the repository
*/
@Override
protected boolean canAccess(RepositoryModel repository, UserModel user, String action) {
return user.canAccessRepository(repository);
}
}
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