gin/binding/form.go

97 lines
2.0 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 (
"errors"
"net/http"
"net/url"
)
const defaultMemory = 32 << 20
type formBinding struct{}
type formPostBinding struct{}
type formMultipartBinding struct{}
func (formBinding) Name() string {
return "form"
}
func (formBinding) Bind(req *http.Request, obj any) error {
if err := req.ParseForm(); err != nil {
return err
}
if err := req.ParseMultipartForm(defaultMemory); err != nil && !errors.Is(err, http.ErrNotMultipart) {
return err
}
if err := mapForm(obj, req.Form); err != nil {
return err
}
return validate(obj)
}
func (formBinding) BindBody(body []byte, obj any) error {
form, err := url.ParseQuery(string(body))
if err != nil {
return err
}
if err := mapForm(obj, form); err != nil {
return err
}
return validate(obj)
}
func (formPostBinding) Name() string {
return "form-urlencoded"
}
func (formPostBinding) Bind(req *http.Request, obj any) error {
if err := req.ParseForm(); err != nil {
return err
}
if err := mapForm(obj, req.PostForm); err != nil {
return err
}
return validate(obj)
}
func (formPostBinding) BindBody(body []byte, obj any) error {
form, err := url.ParseQuery(string(body))
if err != nil {
return err
}
if err := mapForm(obj, form); err != nil {
return err
}
return validate(obj)
}
func (formMultipartBinding) Name() string {
return "multipart/form-data"
}
func (formMultipartBinding) Bind(req *http.Request, obj any) error {
if err := req.ParseMultipartForm(defaultMemory); err != nil {
return err
}
if err := mappingByPtr(obj, (*multipartRequest)(req), "form"); err != nil {
return err
}
return validate(obj)
}
func (formMultipartBinding) BindBody(body []byte, obj any) error {
form, err := url.ParseQuery(string(body))
if err != nil {
return err
}
if err := mapForm(obj, form); err != nil {
return err
}
return validate(obj)
}