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/**
* Copyright (C) 2022-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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/views/util.h"
#include "mongo/db/multitenancy_gen.h"
#include "mongo/db/server_feature_flags_gen.h"
namespace mongo::view_util {
void validateViewDefinitionBSON(OperationContext* opCtx,
const BSONObj& viewDefinition,
const DatabaseName& dbName) {
// Internal callers should always pass in a valid 'dbName' against which to compare the
// 'viewDefinition'.
invariant(NamespaceString::validDBName(dbName));
bool valid = true;
for (auto&& [name, value] : viewDefinition) {
valid &= name == "_id" || name == "viewOn" || name == "pipeline" || name == "collation" ||
name == "timeseries";
}
auto viewNameElem = viewDefinition["_id"];
valid &= viewNameElem && viewNameElem.type() == BSONType::String;
auto viewName = NamespaceStringUtil::deserialize(dbName.tenantId(), viewNameElem.str());
bool viewNameIsValid = NamespaceString::validCollectionComponent(viewName.ns()) &&
NamespaceString::validDBName(viewName.dbName());
valid &= viewNameIsValid;
// Only perform validation via NamespaceString if the collection name has been determined to
// be valid. If not valid then the NamespaceString constructor will uassert.
if (viewNameIsValid) {
valid &= viewName.isValid() && viewName.dbName() == dbName;
}
valid &= NamespaceString::validCollectionName(viewNameElem.str());
auto viewOn = viewDefinition["viewOn"];
valid &= viewOn && viewOn.type() == BSONType::String;
if (auto pipeline = viewDefinition["pipeline"]) {
valid &= pipeline.type() == BSONType::Array;
for (auto&& stage : pipeline.Obj()) {
valid &= stage.type() == BSONType::Object;
}
}
auto collation = viewDefinition["collation"];
valid &= !collation || collation.type() == BSONType::Object;
auto timeseries = viewDefinition["timeseries"];
valid &= !timeseries || timeseries.type() == BSONType::Object;
uassert(
ErrorCodes::InvalidViewDefinition,
str::stream() << "found invalid view definition " << viewDefinition["_id"]
<< " while reading '"
<< NamespaceString::makeSystemDotViewsNamespace(dbName).toStringForErrorMsg()
<< "'",
valid);
}
} // namespace mongo::view_util
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