forked from sampork/go-sniffer
/
cmd_query.go
61 lines (52 loc) · 2.12 KB
/
cmd_query.go
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// Copyright 2021 FerretDB Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package handler
import (
"context"
"fmt"
"strings"
"github.com/40t/go-sniffer/plugSrc/mongodb/build/FerretDB-internal/handler/common"
"github.com/40t/go-sniffer/plugSrc/mongodb/build/FerretDB-internal/handler/handlererrors"
"github.com/40t/go-sniffer/plugSrc/mongodb/build/FerretDB-internal/types"
"github.com/40t/go-sniffer/plugSrc/mongodb/build/FerretDB-internal/util/must"
"github.com/40t/go-sniffer/plugSrc/mongodb/build/FerretDB-internal/wire"
)
// CmdQuery implements deprecated OP_QUERY message handling.
func (h *Handler) CmdQuery(ctx context.Context, query *wire.OpQuery) (*wire.OpReply, error) {
cmd := query.Query.Command()
collection := query.FullCollectionName
// both are valid and are allowed to be run against any database as we don't support authorization yet
if (cmd == "ismaster" || cmd == "isMaster") && strings.HasSuffix(collection, ".$cmd") {
return common.IsMaster(ctx, query.Query)
}
// TODO https://github.com/FerretDB/FerretDB/issues/3008
// database name typically is either "$external" or "admin"
if cmd == "saslStart" && strings.HasSuffix(collection, ".$cmd") {
var emptyPayload types.Binary
return &wire.OpReply{
NumberReturned: 1,
Documents: []*types.Document{must.NotFail(types.NewDocument(
"conversationId", int32(1),
"done", true,
"payload", emptyPayload,
"ok", float64(1),
))},
}, nil
}
return nil, handlererrors.NewCommandErrorMsgWithArgument(
handlererrors.ErrNotImplemented,
fmt.Sprintf("CmdQuery: unhandled command %q for collection %q", cmd, collection),
"OpQuery: "+cmd,
)
}