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42 lines
993 B
Go
42 lines
993 B
Go
// Copyright 2014 Manu Martinez-Almeida. All rights reserved.
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// Use of this source code is governed by a MIT style
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// license that can be found in the LICENSE file.
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package binding
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import (
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"errors"
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"io/ioutil"
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"net/http"
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"google.golang.org/protobuf/encoding/protojson"
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"google.golang.org/protobuf/reflect/protoreflect"
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)
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type protoJSONBinding struct{}
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func (protoJSONBinding) Name() string {
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return "protojson"
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}
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func (b protoJSONBinding) Bind(req *http.Request, obj any) error {
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buf, err := ioutil.ReadAll(req.Body)
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if err != nil {
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return err
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}
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return b.BindBody(buf, obj)
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}
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func (protoJSONBinding) BindBody(body []byte, obj any) error {
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msg, ok := obj.(protoreflect.ProtoMessage)
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if !ok {
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return errors.New("obj is not ProtoMessage")
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}
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if err := protojson.Unmarshal(body, msg); err != nil {
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return err
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}
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// Here it's same to return validate(obj), but util now we can't add
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// `binding:""` to the struct which automatically generate by gen-proto
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return nil
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}
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