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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.
*/
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kStorage
#include "mongo/platform/basic.h"
#include "mongo/db/commands/fle2_compact.h"
#include "mongo/crypto/encryption_fields_gen.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/catalog/collection_catalog.h"
#include "mongo/db/catalog/rename_collection.h"
#include "mongo/db/catalog_raii.h"
#include "mongo/db/commands.h"
#include "mongo/logv2/log.h"
namespace mongo {
namespace {
class CompactStructuredEncryptionDataCmd final
: public TypedCommand<CompactStructuredEncryptionDataCmd> {
public:
using Request = CompactStructuredEncryptionData;
using Reply = CompactStructuredEncryptionData::Reply;
using TC = TypedCommand<CompactStructuredEncryptionDataCmd>;
class Invocation final : public TC::InvocationBase {
public:
using TC::InvocationBase::InvocationBase;
using TC::InvocationBase::request;
Reply typedRun(OperationContext* opCtx) {
auto swCompactStats = compactEncryptedCompactionCollection(opCtx, request());
uassertStatusOK(swCompactStats);
return Reply(swCompactStats.getValue());
}
private:
bool supportsWriteConcern() const final {
return false;
}
void doCheckAuthorization(OperationContext* opCtx) const final {
auto* as = AuthorizationSession::get(opCtx->getClient());
uassert(ErrorCodes::Unauthorized,
"Not authorized to compact structured encryption data",
as->isAuthorizedForActionsOnResource(
ResourcePattern::forExactNamespace(request().getNamespace()),
ActionType::compactStructuredEncryptionData));
}
NamespaceString ns() const final {
return request().getNamespace();
}
};
typename TC::AllowedOnSecondary secondaryAllowed(ServiceContext*) const final {
return BasicCommand::AllowedOnSecondary::kNever;
}
bool adminOnly() const final {
return false;
}
} compactStructuredEncryptionDataCmd;
} // namespace
StatusWith<EncryptedStateCollectionsNamespaces>
EncryptedStateCollectionsNamespaces::createFromDataCollection(const Collection& edc) {
if (!edc.getCollectionOptions().encryptedFieldConfig) {
return Status(ErrorCodes::BadValue,
str::stream() << "Encrypted data collection " << edc.ns()
<< " is missing encrypted fields metadata");
}
auto& cfg = *(edc.getCollectionOptions().encryptedFieldConfig);
auto db = edc.ns().db();
StringData missingColl;
EncryptedStateCollectionsNamespaces namespaces;
auto f = [&missingColl](StringData coll) {
missingColl = coll;
return StringData();
};
namespaces.escNss =
NamespaceString(db, cfg.getEscCollection().value_or_eval([&f]() { return f("state"_sd); }));
namespaces.eccNss =
NamespaceString(db, cfg.getEccCollection().value_or_eval([&f]() { return f("cache"_sd); }));
namespaces.ecocNss = NamespaceString(
db, cfg.getEcocCollection().value_or_eval([&f]() { return f("compaction"_sd); }));
if (!missingColl.empty()) {
return Status(ErrorCodes::BadValue,
str::stream()
<< "Encrypted data collection " << edc.ns()
<< " is missing the name of its " << missingColl << " collection");
}
namespaces.ecocRenameNss =
NamespaceString(db, namespaces.ecocNss.coll().toString().append(".compact"));
return namespaces;
}
StatusWith<CompactStats> compactEncryptedCompactionCollection(
OperationContext* opCtx, const CompactStructuredEncryptionData& request) {
mongo::ECOCStats ecocStats(0, 0);
mongo::ECStats eccStats(0, 0, 0, 0);
mongo::ECStats escStats(0, 0, 0, 0);
const auto& edcNss = request.getNamespace();
LOGV2(6319900, "Compacting the encrypted compaction collection", "namespace"_attr = edcNss);
AutoGetDb autoDb(opCtx, edcNss.db(), MODE_IX);
if (!autoDb.getDb()) {
return Status(ErrorCodes::NamespaceNotFound, str::stream() << "database does not exist");
}
auto catalog = CollectionCatalog::get(opCtx);
Lock::CollectionLock edcLock(opCtx, edcNss, MODE_IS);
// Check the data collection exists and is not a view
auto edc = catalog->lookupCollectionByNamespace(opCtx, edcNss);
if (!edc) {
if (catalog->lookupView(opCtx, edcNss)) {
return Status(ErrorCodes::CommandNotSupportedOnView,
"cannot compact structured encryption data on a view");
}
return Status(ErrorCodes::NamespaceNotFound, "collection does not exist");
}
uassert(6319903, "Feature flag FLE2 is not enabled", gFeatureFlagFLE2.isEnabledAndIgnoreFCV());
auto swNamespaces = EncryptedStateCollectionsNamespaces::createFromDataCollection(*edc.get());
if (!swNamespaces.isOK()) {
return swNamespaces.getStatus();
}
auto& namespaces = swNamespaces.getValue();
auto ecoc = catalog->lookupCollectionByNamespace(opCtx, namespaces.ecocNss);
auto ecocRename = catalog->lookupCollectionByNamespace(opCtx, namespaces.ecocRenameNss);
if (ecoc && !ecocRename) {
LOGV2(6319901,
"Renaming the encrypted compaction collection",
"ecocNss"_attr = namespaces.ecocNss,
"ecocRenameNss"_attr = namespaces.ecocRenameNss);
RenameCollectionOptions renameOpts;
validateAndRunRenameCollection(
opCtx, namespaces.ecocNss, namespaces.ecocRenameNss, renameOpts);
ecoc.reset();
}
LOGV2(6319902,
"Done compacting the encrypted compaction collection",
"namespace"_attr = request.getNamespace());
return CompactStats(ecocStats, eccStats, escStats);
}
} // namespace mongo
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