mirror of https://github.com/perkeep/perkeep.git
60 lines
1.8 KiB
Go
60 lines
1.8 KiB
Go
/*
|
|
Copyright 2015 The Camlistore Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
// This file provides an alternative function to the stdlib's (r
|
|
// *http.Request).MultiMultipartReader(), because we want to obtain a multipart
|
|
// Reader from the vendored "future/mime/multipart" instead of from the stdlib's
|
|
// "mime/multipart".
|
|
|
|
package httputil
|
|
|
|
import (
|
|
"future/mime/multipart" // vendored copy of Go tip "mime/multipart"
|
|
"mime"
|
|
"net/http"
|
|
)
|
|
|
|
// TODO(mpl, bradfitz): remove that whole file once we depend on Go 1.6
|
|
// See https://camlistore.org/issue/644
|
|
|
|
// MultipartReader returns a MIME multipart reader if this is a
|
|
// multipart/form-data POST request, else returns nil and an error.
|
|
// Use this function instead of ParseMultipartForm to
|
|
// process the request body as a stream.
|
|
func MultipartReader(r *http.Request) (*multipart.Reader, error) {
|
|
_, err := r.MultipartReader()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return multipartReader(r)
|
|
}
|
|
|
|
func multipartReader(r *http.Request) (*multipart.Reader, error) {
|
|
v := r.Header.Get("Content-Type")
|
|
if v == "" {
|
|
return nil, http.ErrNotMultipart
|
|
}
|
|
d, params, err := mime.ParseMediaType(v)
|
|
if err != nil || d != "multipart/form-data" {
|
|
return nil, http.ErrNotMultipart
|
|
}
|
|
boundary, ok := params["boundary"]
|
|
if !ok {
|
|
return nil, http.ErrMissingBoundary
|
|
}
|
|
return multipart.NewReader(r.Body, boundary), nil
|
|
}
|