mirror of
https://github.com/gravitational/teleport.git
synced 2026-11-03 16:38:35 +08:00
57 lines
1.9 KiB
Go
57 lines
1.9 KiB
Go
/*
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* Teleport
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* Copyright (C) 2023 Gravitational, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package services
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import (
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"sync"
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"github.com/gravitational/trace"
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"google.golang.org/protobuf/encoding/protojson"
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"google.golang.org/protobuf/protoadapt"
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"github.com/gravitational/teleport/api/types"
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)
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var (
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initHeaderJsonpbUnmarshaler sync.Once
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protojsonOptions *protojson.UnmarshalOptions
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)
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// getHeaderProtoJSONOptions will return a singleton protojson options for unmarshaling.
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func getHeaderProtoJSONOptions() *protojson.UnmarshalOptions {
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initHeaderJsonpbUnmarshaler.Do(func() {
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protojsonOptions = &protojson.UnmarshalOptions{
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DiscardUnknown: true,
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}
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})
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return protojsonOptions
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}
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// unmarshalHeaderWithProtoJSON will unmarshal the resource header using raw protojson.
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// This is primarily of use for grpc messages that contain oneof and use the ResourceHeader,
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// as utils.FastUnmarshal does not work for messages that use oneof.
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func unmarshalHeaderWithProtoJSON(data []byte) (types.ResourceHeader, error) {
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var h types.MessageWithHeader
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if err := getHeaderProtoJSONOptions().Unmarshal(data, protoadapt.MessageV2Of(&h)); err != nil {
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return types.ResourceHeader{}, trace.BadParameter(err.Error())
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}
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return h.ResourceHeader, nil
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}
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