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/**
* Copyright (C) 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/authz_manager_external_state.h"
#include "mongo/base/status.h"
#include "mongo/db/auth/authorization_manager.h"
#include "mongo/db/auth/security_key.h"
#include "mongo/db/jsobj.h"
#include "mongo/db/namespace_string.h"
#include "mongo/util/mongoutils/str.h"
namespace mongo {
using std::string;
stdx::function<std::unique_ptr<AuthzManagerExternalState>()> AuthzManagerExternalState::create;
AuthzManagerExternalState::AuthzManagerExternalState() {}
AuthzManagerExternalState::~AuthzManagerExternalState() {}
bool AuthzManagerExternalState::hasAnyPrivilegeDocuments(OperationContext* txn) {
BSONObj userBSONObj;
Status status = findOne(
txn,
AuthorizationManager::usersCollectionNamespace,
BSONObj(),
&userBSONObj);
// If the status is NoMatchingDocument, there are no privilege documents.
// If it's OK, there are. Otherwise, we were unable to complete the query,
// so best to assume that there _are_ privilege documents. This might happen
// if the node contaning the users collection becomes transiently unavailable.
// See SERVER-12616, for example.
return status != ErrorCodes::NoMatchingDocument;
}
Status AuthzManagerExternalState::insertPrivilegeDocument(OperationContext* txn,
const string& dbname,
const BSONObj& userObj,
const BSONObj& writeConcern) {
Status status = insert(txn, NamespaceString("admin.system.users"), userObj, writeConcern);
if (status.isOK()) {
return status;
}
if (status.code() == ErrorCodes::DuplicateKey) {
std::string name = userObj[AuthorizationManager::USER_NAME_FIELD_NAME].String();
std::string source = userObj[AuthorizationManager::USER_DB_FIELD_NAME].String();
return Status(ErrorCodes::DuplicateKey,
mongoutils::str::stream() << "User \"" << name << "@" << source <<
"\" already exists");
}
if (status.code() == ErrorCodes::UnknownError) {
return Status(ErrorCodes::UserModificationFailed, status.reason());
}
return status;
}
Status AuthzManagerExternalState::updatePrivilegeDocument(OperationContext* txn,
const UserName& user,
const BSONObj& updateObj,
const BSONObj& writeConcern) {
Status status = updateOne(
txn,
NamespaceString("admin.system.users"),
BSON(AuthorizationManager::USER_NAME_FIELD_NAME << user.getUser() <<
AuthorizationManager::USER_DB_FIELD_NAME << user.getDB()),
updateObj,
false,
writeConcern);
if (status.isOK()) {
return status;
}
if (status.code() == ErrorCodes::NoMatchingDocument) {
return Status(ErrorCodes::UserNotFound,
mongoutils::str::stream() << "User " << user.getFullName() <<
" not found");
}
if (status.code() == ErrorCodes::UnknownError) {
return Status(ErrorCodes::UserModificationFailed, status.reason());
}
return status;
}
Status AuthzManagerExternalState::removePrivilegeDocuments(OperationContext* txn,
const BSONObj& query,
const BSONObj& writeConcern,
int* numRemoved) {
Status status = remove(txn,
NamespaceString("admin.system.users"),
query,
writeConcern,
numRemoved);
if (status.code() == ErrorCodes::UnknownError) {
return Status(ErrorCodes::UserModificationFailed, status.reason());
}
return status;
}
Status AuthzManagerExternalState::updateOne(
OperationContext* txn,
const NamespaceString& collectionName,
const BSONObj& query,
const BSONObj& updatePattern,
bool upsert,
const BSONObj& writeConcern) {
int nMatched;
Status status = update(txn,
collectionName,
query,
updatePattern,
upsert,
false,
writeConcern,
&nMatched);
if (!status.isOK()) {
return status;
}
dassert(nMatched == 1 || nMatched == 0);
if (nMatched == 0) {
return Status(ErrorCodes::NoMatchingDocument, "No document found");
}
return Status::OK();
}
} // namespace mongo
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