57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
|
// Copyright 2014 Manu Martinez-Almeida. All rights reserved.
|
||
|
|
// Use of this source code is governed by a MIT style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
package binding
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bytes"
|
||
|
|
"errors"
|
||
|
|
"io"
|
||
|
|
"net/http"
|
||
|
|
|
||
|
|
"github.com/gin-gonic/gin/internal/json"
|
||
|
|
)
|
||
|
|
|
||
|
|
// EnableDecoderUseNumber is used to call the UseNumber method on the JSON
|
||
|
|
// Decoder instance. UseNumber causes the Decoder to unmarshal a number into an
|
||
|
|
// any as a Number instead of as a float64.
|
||
|
|
var EnableDecoderUseNumber = false
|
||
|
|
|
||
|
|
// EnableDecoderDisallowUnknownFields is used to call the DisallowUnknownFields method
|
||
|
|
// on the JSON Decoder instance. DisallowUnknownFields causes the Decoder to
|
||
|
|
// return an error when the destination is a struct and the input contains object
|
||
|
|
// keys which do not match any non-ignored, exported fields in the destination.
|
||
|
|
var EnableDecoderDisallowUnknownFields = false
|
||
|
|
|
||
|
|
type jsonBinding struct{}
|
||
|
|
|
||
|
|
func (jsonBinding) Name() string {
|
||
|
|
return "json"
|
||
|
|
}
|
||
|
|
|
||
|
|
func (jsonBinding) Bind(req *http.Request, obj any) error {
|
||
|
|
if req == nil || req.Body == nil {
|
||
|
|
return errors.New("invalid request")
|
||
|
|
}
|
||
|
|
return decodeJSON(req.Body, obj)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (jsonBinding) BindBody(body []byte, obj any) error {
|
||
|
|
return decodeJSON(bytes.NewReader(body), obj)
|
||
|
|
}
|
||
|
|
|
||
|
|
func decodeJSON(r io.Reader, obj any) error {
|
||
|
|
decoder := json.NewDecoder(r)
|
||
|
|
if EnableDecoderUseNumber {
|
||
|
|
decoder.UseNumber()
|
||
|
|
}
|
||
|
|
if EnableDecoderDisallowUnknownFields {
|
||
|
|
decoder.DisallowUnknownFields()
|
||
|
|
}
|
||
|
|
if err := decoder.Decode(obj); err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return validate(obj)
|
||
|
|
}
|