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add form encoding #1138

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merged 2 commits into from
Jul 1, 2021
Merged

add form encoding #1138

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d87cc24
add form encoding
lyouthzzz Jul 1, 2021
c5ce0a5
update examples go mod
lyouthzzz Jul 1, 2021
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add form encoding
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@lyouthzzz
lyouthzzz committed Jul 1, 2021
commit d87cc242ee281bbf92b955a53edb5c78bad336d9
45 changes: 45 additions & 0 deletions encoding/form/form.go
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@@ -0,0 +1,45 @@
package form

import (
"github.com/go-kratos/kratos/v2/encoding"
"github.com/gorilla/schema"
"net/url"
)

const Name = "x-www-form-urlencoded"

func init() {
decoder := schema.NewDecoder()
decoder.SetAliasTag("json")
encoder := schema.NewEncoder()
encoder.SetAliasTag("json")
encoding.RegisterCodec(codec{encoder: encoder, decoder: decoder})
}

type codec struct {
encoder *schema.Encoder
decoder *schema.Decoder
}

func (c codec) Marshal(v interface{}) ([]byte, error) {
var vs = url.Values{}
if err := c.encoder.Encode(v, vs); err != nil {
return nil, err
}
return []byte(vs.Encode()), nil
}

func (c codec) Unmarshal(data []byte, v interface{}) error {
vs, err := url.ParseQuery(string(data))
if err != nil {
return err
}
if err := c.decoder.Decode(v, vs); err != nil {
return err
}
return nil
}

func (codec) Name() string {
return Name
}
47 changes: 47 additions & 0 deletions encoding/form/form_test.go
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@@ -0,0 +1,47 @@
package form

import (
"github.com/go-kratos/kratos/v2/encoding"
"github.com/stretchr/testify/require"
"testing"
)

type LoginRequest struct {
Username string `json:"username,omitempty"`
Password string `json:"password,omitempty"`
}

const contentType = "x-www-form-urlencoded"

func TestFormCodecMarshal(t *testing.T) {
req := &LoginRequest{
Username: "kratos",
Password: "kratos_pwd",
}
content, err := encoding.GetCodec(contentType).Marshal(req)
require.NoError(t, err)
require.Equal(t, []byte("password=kratos_pwd&username=kratos"), content)

req = &LoginRequest{
Username: "kratos",
Password: "",
}
content, err = encoding.GetCodec(contentType).Marshal(req)
require.NoError(t, err)
require.Equal(t, []byte("username=kratos"), content)
}

func TestFormCodecUnmarshal(t *testing.T) {
req := &LoginRequest{
Username: "kratos",
Password: "kratos_pwd",
}
content, err := encoding.GetCodec(contentType).Marshal(req)
require.NoError(t, err)

var bindReq = new(LoginRequest)
err = encoding.GetCodec(contentType).Unmarshal(content, bindReq)
require.NoError(t, err)
require.Equal(t, "kratos", bindReq.Username)
require.Equal(t, "kratos_pwd", bindReq.Password)
}
1 change: 1 addition & 0 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ require (
github.com/fsnotify/fsnotify v1.4.9
github.com/google/uuid v1.2.0
github.com/gorilla/mux v1.8.0
github.com/gorilla/schema v1.2.0
github.com/imdario/mergo v0.3.12
github.com/stretchr/testify v1.7.0
go.opentelemetry.io/otel v1.0.0-RC1
Expand Down
7 changes: 2 additions & 5 deletions go.sum
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,6 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk
github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
Expand Down Expand Up @@ -42,7 +41,6 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.6 h1:BKbKCqvP6I+rmFHt06ZmyQtvB8xAkWdhFyr0ZUNZcxQ=
github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
Expand All @@ -51,14 +49,15 @@ github.com/google/uuid v1.2.0 h1:qJYtXnJRWmpe7m/3XlyhrsLrEURqHRM2kxzoxXqyUDs=
github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
github.com/gorilla/schema v1.2.0 h1:YufUaxZYCKGFuAq3c96BOhjgd5nmXiOY9NGzF247Tsc=
github.com/gorilla/schema v1.2.0/go.mod h1:kgLaKoK1FELgZqMAVxx/5cbj0kT+57qxUrAlIO2eleU=
github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
github.com/imdario/mergo v0.3.12 h1:b6R2BslTbIEToALKP7LxUvijTsNI9TAe80pLWN2g/HU=
github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
Expand Down Expand Up @@ -146,7 +145,6 @@ google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQ
google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
google.golang.org/grpc v1.38.0 h1:/9BgsAsa5nWe26HqOlvlgJnqBuktYOLCgjCPqsa56W0=
google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
google.golang.org/grpc v1.39.0 h1:Klz8I9kdtkIN6EpHHUOMLCYhTn/2WAe5a0s1hcBkdTI=
google.golang.org/grpc v1.39.0/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
Expand All @@ -160,7 +158,6 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
Expand Down
1 change: 1 addition & 0 deletions transport/transport.go
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ import (
"net/url"

// init encoding
_ "github.com/go-kratos/kratos/v2/encoding/form"
_ "github.com/go-kratos/kratos/v2/encoding/json"
_ "github.com/go-kratos/kratos/v2/encoding/proto"
_ "github.com/go-kratos/kratos/v2/encoding/xml"
Expand Down