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// security.h
/**
* Copyright (C) 2009 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/>.
*/
#pragma once
#include "nonce.h"
#include "concurrency.h"
#include "security_common.h"
#include "../util/concurrency/spin_lock.h"
// this is used by both mongos and mongod
namespace mongo {
/*
* for a particular db
* levels
* 0 : none
* 1 : read
* 2 : write
*/
struct Auth {
Auth() { level = 0; }
int level;
string user;
};
class AuthenticationInfo : boost::noncopyable {
public:
bool isLocalHost;
AuthenticationInfo(){ isLocalHost = false; }
~AuthenticationInfo() {}
// -- modifiers ----
void logout(const string& dbname ) {
scoped_spinlock lk(_lock);
_dbs.erase(dbname);
}
void authorize(const string& dbname , const string& user ) {
scoped_spinlock lk(_lock);
_dbs[dbname].level = 2;
_dbs[dbname].user = user;
}
void authorizeReadOnly(const string& dbname , const string& user ) {
scoped_spinlock lk(_lock);
_dbs[dbname].level = 1;
_dbs[dbname].user = user;
}
// -- accessors ---
bool isAuthorized(const string& dbname) const {
return _isAuthorized( dbname, 2 );
}
bool isAuthorizedReads(const string& dbname) const {
return _isAuthorized( dbname, 1 );
}
bool isAuthorizedForLock(const string& dbname, int lockType ) const {
return _isAuthorized( dbname , lockType > 0 ? 2 : 1 );
}
string getUser( const string& dbname ) const;
void print() const;
protected:
/** takes a lock */
bool _isAuthorized(const string& dbname, int level) const;
bool _isAuthorizedSingle_inlock(const string& dbname, int level) const;
/** cannot call this locked */
bool _isAuthorizedSpecialChecks( const string& dbname ) const ;
private:
mutable SpinLock _lock;
typedef map<string,Auth> MA;
MA _dbs; // dbname -> auth
static bool _warned;
};
} // namespace mongo
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