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/* Copyright 2012 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#include "mongo/db/auth/user_set.h"
#include <string>
#include <vector>
#include "mongo/db/auth/authorization_manager.h"
#include "mongo/db/auth/user.h"
namespace mongo {
namespace {
class UserSetNameIteratorImpl : public UserNameIterator::Impl {
MONGO_DISALLOW_COPYING(UserSetNameIteratorImpl);
public:
UserSetNameIteratorImpl(const UserSet::iterator& begin,
const UserSet::iterator& end) :
_curr(begin), _end(end) {}
virtual ~UserSetNameIteratorImpl() {}
virtual bool more() const { return _curr != _end; }
virtual const UserName& next() { return (*(_curr++))->getName(); }
virtual const UserName& get() const { return (*_curr)->getName(); }
virtual UserNameIterator::Impl* doClone() const {
return new UserSetNameIteratorImpl(_curr, _end);
}
private:
UserSet::iterator _curr;
UserSet::iterator _end;
};
} // namespace
UserSet::UserSet() : _users(), _usersEnd(_users.end()) {}
UserSet::~UserSet() {}
User* UserSet::add(User* user) {
for (mutable_iterator it = mbegin(); it != mend(); ++it) {
User* current = *it;
if (current->getName().getDB() == user->getName().getDB()) {
// There can be only one user per database.
*it = user;
return current;
}
}
if (_usersEnd == _users.end()) {
_users.push_back(user);
_usersEnd = _users.end();
}
else {
*_usersEnd = user;
++_usersEnd;
}
return NULL;
}
User* UserSet::removeByDBName(StringData dbname) {
for (iterator it = begin(); it != end(); ++it) {
User* current = *it;
if (current->getName().getDB() == dbname) {
return removeAt(it);
}
}
return NULL;
}
User* UserSet::replaceAt(iterator it, User* replacement) {
size_t offset = it - begin();
User* old = _users[offset];
_users[offset] = replacement;
return old;
}
User* UserSet::removeAt(iterator it) {
size_t offset = it - begin();
User* old = _users[offset];
--_usersEnd;
_users[offset] = *_usersEnd;
*_usersEnd = NULL;
return old;
}
User* UserSet::lookup(const UserName& name) const {
User* user = lookupByDBName(name.getDB());
if (user && user->getName() == name) {
return user;
}
return NULL;
}
User* UserSet::lookupByDBName(StringData dbname) const {
for (iterator it = begin(); it != end(); ++it) {
User* current = *it;
if (current->getName().getDB() == dbname) {
return current;
}
}
return NULL;
}
UserNameIterator UserSet::getNames() const {
return UserNameIterator(new UserSetNameIteratorImpl(begin(), end()));
}
} // namespace mongo
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