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add bson protocol

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This commit is contained in:
Laurent Caumont 2025-01-22 16:41:13 +01:00
parent 9968c4bf9d
commit 4132c8adab
10 changed files with 182 additions and 15 deletions
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4
binding/binding.go
View File

@ -23,6 +23,7 @@ const (
MIMEYAML = "application/x-yaml"
MIMEYAML2 = "application/yaml"
MIMETOML = "application/toml"
MIMEBSON = "application/bson"
)
// Binding describes the interface which needs to be implemented for binding the
@ -86,6 +87,7 @@ var (
Header Binding = headerBinding{}
Plain BindingBody = plainBinding{}
TOML BindingBody = tomlBinding{}
BSON BindingBody = bsonBinding{}
)
// Default returns the appropriate Binding instance based on the HTTP method
@ -110,6 +112,8 @@ func Default(method, contentType string) Binding {
return TOML
case MIMEMultipartPOSTForm:
return FormMultipart
case MIMEBSON:
return BSON
default: // case MIMEPOSTForm:
return Form
}

4
binding/binding_nomsgpack.go
View File

@ -21,6 +21,7 @@ const (
MIMEYAML = "application/x-yaml"
MIMEYAML2 = "application/yaml"
MIMETOML = "application/toml"
MIMEBSON = "application/bson"
)
// Binding describes the interface which needs to be implemented for binding the
@ -82,6 +83,7 @@ var (
Header = headerBinding{}
TOML = tomlBinding{}
Plain = plainBinding{}
BSON BindingBody = bsonBinding{}
)
// Default returns the appropriate Binding instance based on the HTTP method
@ -104,6 +106,8 @@ func Default(method, contentType string) Binding {
return FormMultipart
case MIMETOML:
return TOML
case MIMEBSON:
return BSON
default: // case MIMEPOSTForm:
return Form
}

16
binding/binding_test.go
View File

@ -21,6 +21,7 @@ import (
"github.com/gin-gonic/gin/testdata/protoexample"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.mongodb.org/mongo-driver/bson"
"google.golang.org/protobuf/proto"
)
@ -172,6 +173,9 @@ func TestBindingDefault(t *testing.T) {
assert.Equal(t, TOML, Default(http.MethodPost, MIMETOML))
assert.Equal(t, TOML, Default(http.MethodPut, MIMETOML))
assert.Equal(t, BSON, Default(http.MethodPost, MIMEBSON))
assert.Equal(t, BSON, Default(http.MethodPut, MIMEBSON))
}
func TestBindingJSONNilBody(t *testing.T) {
@ -731,6 +735,18 @@ func TestBindingProtoBufFail(t *testing.T) {
string(data), string(data[1:]))
}
func TestBindingBSON(t *testing.T) {
var obj FooStruct
obj.Foo = "bar"
data, _ := bson.Marshal(&obj)
testBodyBinding(t,
BSON, "bson",
"/", "/",
string(data),
// note: for badbody, we remove first byte to make it invalid
string(data[1:]))
}
func TestValidationFails(t *testing.T) {
var obj FooStruct
req := requestWithBody(http.MethodPost, "/", `{"bar": "foo"}`)

30
binding/bson.go Normal file
View File

@ -0,0 +1,30 @@
// Copyright 2025 Gin Core Team. 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 (
"io"
"net/http"
"go.mongodb.org/mongo-driver/bson"
)
type bsonBinding struct{}
func (bsonBinding) Name() string {
return "bson"
}
func (b bsonBinding) Bind(req *http.Request, obj any) error {
buf, err := io.ReadAll(req.Body)
if err == nil {
err = b.BindBody(buf, obj)
}
return err
}
func (bsonBinding) BindBody(body []byte, obj any) error {
return bson.Unmarshal(body, obj)
}

11
context.go
View File

@ -39,6 +39,7 @@ const (
MIMEYAML = binding.MIMEYAML
MIMEYAML2 = binding.MIMEYAML2
MIMETOML = binding.MIMETOML
MIMEBSON = binding.MIMEBSON
)
// BodyBytesKey indicates a default body bytes key.
@ -1172,6 +1173,11 @@ func (c *Context) ProtoBuf(code int, obj any) {
c.Render(code, render.ProtoBuf{Data: obj})
}
// BSON serializes the given struct as BSON into the response body.
func (c *Context) BSON(code int, obj any) {
c.Render(code, render.BSON{Data: obj})
}
// String writes the given string into the response body.
func (c *Context) String(code int, format string, values ...any) {
c.Render(code, render.String{Format: format, Data: values})
@ -1278,6 +1284,7 @@ type Negotiate struct {
YAMLData any
Data any
TOMLData any
BSONData any
}
// Negotiate calls different Render according to acceptable Accept format.
@ -1303,6 +1310,10 @@ func (c *Context) Negotiate(code int, config Negotiate) {
data := chooseData(config.TOMLData, config.Data)
c.TOML(code, data)
case binding.MIMEBSON:
data := chooseData(config.BSONData, config.Data)
c.BSON(code, data)
default:
c.AbortWithError(http.StatusNotAcceptable, errors.New("the accepted formats are not offered by the server")) //nolint: errcheck
}

18
context_test.go
View File

@ -32,6 +32,7 @@ import (
testdata "github.com/gin-gonic/gin/testdata/protoexample"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.mongodb.org/mongo-driver/bson"
"google.golang.org/protobuf/proto"
)
@ -1615,6 +1616,23 @@ func TestContextNegotiationWithHTML(t *testing.T) {
assert.Equal(t, "text/html; charset=utf-8", w.Header().Get("Content-Type"))
}
func TestContextNegotiationWithBSON(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)
c.Request, _ = http.NewRequest(http.MethodPost, "", nil)
c.Negotiate(http.StatusOK, Negotiate{
Offered: []string{MIMEBSON, MIMEXML, MIMEJSON, MIMEYAML, MIMEYAML2},
Data: H{"foo": "bar"},
})
bData, _ := bson.Marshal(H{"foo": "bar"})
assert.Equal(t, http.StatusOK, w.Code)
assert.Equal(t, string(bData), w.Body.String())
assert.Equal(t, "application/bson", w.Header().Get("Content-Type"))
}
func TestContextNegotiationNotSupport(t *testing.T) {
w := httptest.NewRecorder()
c, _ := CreateTestContext(w)

17
go.mod
View File

@ -2,11 +2,13 @@ module github.com/gin-gonic/gin
go 1.24.0
toolchain go1.24.7
require (
github.com/bytedance/sonic v1.14.0
github.com/bytedance/sonic v1.14.1
github.com/gin-contrib/sse v1.1.0
github.com/go-playground/validator/v10 v10.28.0
github.com/goccy/go-json v0.10.2
github.com/goccy/go-json v0.10.5
github.com/goccy/go-yaml v1.18.0
github.com/json-iterator/go v1.1.12
github.com/mattn/go-isatty v0.0.20
@ -15,11 +17,13 @@ require (
github.com/quic-go/quic-go v0.55.0
github.com/stretchr/testify v1.11.1
github.com/ugorji/go/codec v1.3.0
go.mongodb.org/mongo-driver v1.17.4
golang.org/x/net v0.46.0
google.golang.org/protobuf v1.36.10
)
require (
github.com/bytedance/gopkg v0.1.3 // indirect
github.com/bytedance/sonic/loader v0.3.0 // indirect
github.com/cloudwego/base64x v0.1.6 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
@ -28,16 +32,17 @@ require (
github.com/go-playground/universal-translator v0.18.1 // indirect
github.com/klauspost/cpuid/v2 v2.3.0 // indirect
github.com/leodido/go-urn v1.4.0 // indirect
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/quic-go/qpack v0.5.1 // indirect
github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
golang.org/x/arch v0.20.0 // indirect
go.uber.org/mock v0.6.0 // indirect
golang.org/x/arch v0.22.0 // indirect
golang.org/x/crypto v0.43.0 // indirect
golang.org/x/mod v0.28.0 // indirect
golang.org/x/mod v0.29.0 // indirect
golang.org/x/sync v0.17.0 // indirect
golang.org/x/sys v0.37.0 // indirect
golang.org/x/text v0.30.0 // indirect
golang.org/x/tools v0.37.0 // indirect
golang.org/x/tools v0.38.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

37
go.sum
View File

@ -1,5 +1,7 @@
github.com/bytedance/sonic v1.14.0 h1:/OfKt8HFw0kh2rj8N0F6C/qPGRESq0BbaNZgcNXXzQQ=
github.com/bytedance/sonic v1.14.0/go.mod h1:WoEbx8WTcFJfzCe0hbmyTGrfjt8PzNEBdxlNUO24NhA=
github.com/bytedance/gopkg v0.1.3 h1:TPBSwH8RsouGCBcMBktLt1AymVo2TVsBVCY4b6TnZ/M=
github.com/bytedance/gopkg v0.1.3/go.mod h1:576VvJ+eJgyCzdjS+c4+77QF3p7ubbtiKARP3TxducM=
github.com/bytedance/sonic v1.14.1 h1:FBMC0zVz5XUmE4z9wF4Jey0An5FueFvOsTKKKtwIl7w=
github.com/bytedance/sonic v1.14.1/go.mod h1:gi6uhQLMbTdeP0muCnrjHLeCUPyb70ujhnNlhOylAFc=
github.com/bytedance/sonic/loader v0.3.0 h1:dskwH8edlzNMctoruo8FPTJDF3vLtDT0sXZwvZJyqeA=
github.com/bytedance/sonic/loader v0.3.0/go.mod h1:N8A3vUdtUebEY2/VQC0MyhYeKUFosQU6FxH2JmUe6VI=
github.com/cloudwego/base64x v0.1.6 h1:t11wG9AECkCDk5fMSoxmufanudBtJ+/HemLstXDLI2M=
@ -19,8 +21,8 @@ github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJn
github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
github.com/go-playground/validator/v10 v10.28.0 h1:Q7ibns33JjyW48gHkuFT91qX48KG0ktULL6FgHdG688=
github.com/go-playground/validator/v10 v10.28.0/go.mod h1:GoI6I1SjPBh9p7ykNE/yj3fFYbyDOpwMn5KXd+m2hUU=
github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
github.com/goccy/go-json v0.10.5 h1:Fq85nIqj+gXn/S5ahsiTlK3TmC85qgirsdTP/+DeaC4=
github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
github.com/goccy/go-yaml v1.18.0 h1:8W7wMFS12Pcas7KU+VVkaiCng+kG8QiFeFwzFb+rwuw=
github.com/goccy/go-yaml v1.18.0/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
@ -34,8 +36,9 @@ github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0t5Ec4=
@ -59,25 +62,41 @@ github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS
github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
github.com/ugorji/go/codec v1.3.0 h1:Qd2W2sQawAfG8XSvzwhBeoGq71zXOC/Q1E9y/wUcsUA=
github.com/ugorji/go/codec v1.3.0/go.mod h1:pRBVtBSKl77K30Bv8R2P+cLSGaTtex6fsA2Wjqmfxj4=
go.uber.org/mock v0.5.2 h1:LbtPTcP8A5k9WPXj54PPPbjcI4Y6lhyOZXn+VS7wNko=
go.uber.org/mock v0.5.2/go.mod h1:wLlUxC2vVTPTaE3UD51E0BGOAElKrILxhVSDYQLld5o=
golang.org/x/arch v0.20.0 h1:dx1zTU0MAE98U+TQ8BLl7XsJbgze2WnNKF/8tGp/Q6c=
golang.org/x/arch v0.20.0/go.mod h1:bdwinDaKcfZUGpH09BB7ZmOfhalA8lQdzl62l8gGWsk=
go.mongodb.org/mongo-driver v1.17.4 h1:jUorfmVzljjr0FLzYQsGP8cgN/qzzxlY9Vh0C9KFXVw=
go.mongodb.org/mongo-driver v1.17.4/go.mod h1:Hy04i7O2kC4RS06ZrhPRqj/u4DTYkFDAAccj+rVKqgQ=
go.uber.org/mock v0.6.0 h1:hyF9dfmbgIX5EfOdasqLsWD6xqpNZlXblLB/Dbnwv3Y=
go.uber.org/mock v0.6.0/go.mod h1:KiVJ4BqZJaMj4svdfmHM0AUx4NJYO8ZNpPnZn1Z+BBU=
golang.org/x/arch v0.21.0 h1:iTC9o7+wP6cPWpDWkivCvQFGAHDQ59SrSxsLPcnkArw=
golang.org/x/arch v0.21.0/go.mod h1:dNHoOeKiyja7GTvF9NJS1l3Z2yntpQNzgrjh1cU103A=
golang.org/x/arch v0.22.0 h1:c/Zle32i5ttqRXjdLyyHZESLD/bB90DCU1g9l/0YBDI=
golang.org/x/arch v0.22.0/go.mod h1:dNHoOeKiyja7GTvF9NJS1l3Z2yntpQNzgrjh1cU103A=
golang.org/x/crypto v0.42.0 h1:chiH31gIWm57EkTXpwnqf8qeuMUi0yekh6mT2AvFlqI=
golang.org/x/crypto v0.42.0/go.mod h1:4+rDnOTJhQCx2q7/j6rAN5XDw8kPjeaXEUR2eL94ix8=
golang.org/x/crypto v0.43.0 h1:dduJYIi3A3KOfdGOHX8AVZ/jGiyPa3IbBozJ5kNuE04=
golang.org/x/crypto v0.43.0/go.mod h1:BFbav4mRNlXJL4wNeejLpWxB7wMbc79PdRGhWKncxR0=
golang.org/x/mod v0.28.0 h1:gQBtGhjxykdjY9YhZpSlZIsbnaE2+PgjfLWUQTnoZ1U=
golang.org/x/mod v0.28.0/go.mod h1:yfB/L0NOf/kmEbXjzCPOx1iK1fRutOydrCMsqRhEBxI=
golang.org/x/mod v0.29.0 h1:HV8lRxZC4l2cr3Zq1LvtOsi/ThTgWnUk/y64QSs8GwA=
golang.org/x/mod v0.29.0/go.mod h1:NyhrlYXJ2H4eJiRy/WDBO6HMqZQ6q9nk4JzS3NuCK+w=
golang.org/x/net v0.44.0 h1:evd8IRDyfNBMBTTY5XRF1vaZlD+EmWx6x8PkhR04H/I=
golang.org/x/net v0.44.0/go.mod h1:ECOoLqd5U3Lhyeyo/QDCEVQ4sNgYsqvCZ722XogGieY=
golang.org/x/net v0.46.0 h1:giFlY12I07fugqwPuWJi68oOnpfqFnJIJzaIIm2JVV4=
golang.org/x/net v0.46.0/go.mod h1:Q9BGdFy1y4nkUwiLvT5qtyhAnEHgnQ/zd8PfU6nc210=
golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
golang.org/x/text v0.29.0 h1:1neNs90w9YzJ9BocxfsQNHKuAT4pkghyXc4nhZ6sJvk=
golang.org/x/text v0.29.0/go.mod h1:7MhJOA9CD2qZyOKYazxdYMF85OwPdEr9jTtBpO7ydH4=
golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
golang.org/x/text v0.30.0/go.mod h1:yDdHFIX9t+tORqspjENWgzaCVXgk0yYnYuSZ8UzzBVM=
golang.org/x/tools v0.37.0 h1:DVSRzp7FwePZW356yEAChSdNcQo6Nsp+fex1SUW09lE=
golang.org/x/tools v0.37.0/go.mod h1:MBN5QPQtLMHVdvsbtarmTNukZDdgwdwlO5qGacAzF0w=
golang.org/x/tools v0.38.0 h1:Hx2Xv8hISq8Lm16jvBZ2VQf+RLmbd7wVUsALibYI/IQ=
golang.org/x/tools v0.38.0/go.mod h1:yEsQ/d/YK8cjh0L6rZlY8tgtlKiBNTL14pGDJPJpYQs=
google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=

34
render/bson.go Normal file
View File

@ -0,0 +1,34 @@
// Copyright 2025 Gin Core Team. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
package render
import (
"net/http"
"go.mongodb.org/mongo-driver/bson"
)
// BSON contains the given interface object.
type BSON struct {
Data any
}
var bsonContentType = []string{"application/bson"}
// Render (BSON) marshals the given interface object and writes data with custom ContentType.
func (r BSON) Render(w http.ResponseWriter) error {
r.WriteContentType(w)
bytes, err := bson.Marshal(&r.Data)
if err == nil {
_, err = w.Write(bytes)
}
return err
}
// WriteContentType (BSONBuf) writes BSONBuf ContentType.
func (r BSON) WriteContentType(w http.ResponseWriter) {
writeContentType(w, bsonContentType)
}

26
render/render_test.go
View File

@ -19,6 +19,7 @@ import (
testdata "github.com/gin-gonic/gin/testdata/protoexample"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.mongodb.org/mongo-driver/bson"
"google.golang.org/protobuf/proto"
)
@ -359,6 +360,31 @@ func TestRenderProtoBufFail(t *testing.T) {
require.Error(t, err)
}
func TestRenderBSON(t *testing.T) {
w := httptest.NewRecorder()
reps := []int64{int64(1), int64(2)}
type mystruct struct {
Label string
Reps []int64
}
data := &mystruct{
Label: "test",
Reps: reps,
}
(BSON{data}).WriteContentType(w)
bsonData, err := bson.Marshal(data)
require.NoError(t, err)
assert.Equal(t, "application/bson", w.Header().Get("Content-Type"))
err = (BSON{data}).Render(w)
require.NoError(t, err)
assert.Equal(t, bsonData, w.Body.Bytes())
assert.Equal(t, "application/bson", w.Header().Get("Content-Type"))
}
func TestRenderXML(t *testing.T) {
w := httptest.NewRecorder()
data := xmlmap{