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|
package openapi3filter_test
import (
"bytes"
"context"
"io"
"mime/multipart"
"net/http"
"net/textproto"
"strings"
"github.com/getkin/kin-openapi/openapi3"
"github.com/getkin/kin-openapi/openapi3filter"
"github.com/getkin/kin-openapi/routers/gorillamux"
)
func Example_validateMultipartFormData() {
const spec = `
openapi: 3.0.0
info:
title: 'Validator'
version: 0.0.1
paths:
/test:
post:
requestBody:
required: true
content:
multipart/form-data:
schema:
type: object
required:
- file
properties:
file:
type: string
format: binary
categories:
type: array
items:
$ref: "#/components/schemas/Category"
responses:
'200':
description: Created
components:
schemas:
Category:
type: object
properties:
name:
type: string
required:
- name
`
loader := openapi3.NewLoader()
doc, err := loader.LoadFromData([]byte(spec))
if err != nil {
panic(err)
}
if err = doc.Validate(loader.Context); err != nil {
panic(err)
}
router, err := gorillamux.NewRouter(doc)
if err != nil {
panic(err)
}
body := &bytes.Buffer{}
writer := multipart.NewWriter(body)
{ // Add a single "categories" item as part data
h := make(textproto.MIMEHeader)
h.Set("Content-Disposition", `form-data; name="categories"`)
h.Set("Content-Type", "application/json")
fw, err := writer.CreatePart(h)
if err != nil {
panic(err)
}
if _, err = io.Copy(fw, strings.NewReader(`{"name": "foo"}`)); err != nil {
panic(err)
}
}
{ // Add a single "categories" item as part data, again
h := make(textproto.MIMEHeader)
h.Set("Content-Disposition", `form-data; name="categories"`)
h.Set("Content-Type", "application/json")
fw, err := writer.CreatePart(h)
if err != nil {
panic(err)
}
if _, err = io.Copy(fw, strings.NewReader(`{"name": "bar"}`)); err != nil {
panic(err)
}
}
{ // Add file data
fw, err := writer.CreateFormFile("file", "hello.txt")
if err != nil {
panic(err)
}
if _, err = io.Copy(fw, strings.NewReader("hello")); err != nil {
panic(err)
}
}
writer.Close()
req, err := http.NewRequest(http.MethodPost, "/test", bytes.NewReader(body.Bytes()))
if err != nil {
panic(err)
}
req.Header.Set("Content-Type", writer.FormDataContentType())
route, pathParams, err := router.FindRoute(req)
if err != nil {
panic(err)
}
if err = openapi3filter.ValidateRequestBody(
context.Background(),
&openapi3filter.RequestValidationInput{
Request: req,
PathParams: pathParams,
Route: route,
},
route.Operation.RequestBody.Value,
); err != nil {
panic(err)
}
// Output:
}
|
