mirror of
https://github.com/dutchcoders/transfer.sh.git
synced 2025-01-15 21:20:19 +01:00
79 lines
2.3 KiB
Go
79 lines
2.3 KiB
Go
|
// Copyright 2015 Google Inc. All rights reserved.
|
||
|
|
//
|
||
|
|
// 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.
|
||
|
|
|
||
|
|
package header
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/json"
|
||
|
|
"net/http"
|
||
|
|
|
||
|
|
"github.com/google/martian"
|
||
|
|
"github.com/google/martian/parse"
|
||
|
|
"github.com/google/martian/proxyutil"
|
||
|
|
)
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
parse.Register("header.Append", appendModifierFromJSON)
|
||
|
|
}
|
||
|
|
|
||
|
|
type appendModifier struct {
|
||
|
|
name, value string
|
||
|
|
}
|
||
|
|
|
||
|
|
type appendModifierJSON struct {
|
||
|
|
Name string `json:"name"`
|
||
|
|
Value string `json:"value"`
|
||
|
|
Scope []parse.ModifierType `json:"scope"`
|
||
|
|
}
|
||
|
|
|
||
|
|
// ModifyRequest appends the header at name with value to the request.
|
||
|
|
func (m *appendModifier) ModifyRequest(req *http.Request) error {
|
||
|
|
return proxyutil.RequestHeader(req).Add(m.name, m.value)
|
||
|
|
}
|
||
|
|
|
||
|
|
// ModifyResponse appends the header at name with value to the response.
|
||
|
|
func (m *appendModifier) ModifyResponse(res *http.Response) error {
|
||
|
|
return proxyutil.ResponseHeader(res).Add(m.name, m.value)
|
||
|
|
}
|
||
|
|
|
||
|
|
// NewAppendModifier returns an appendModifier that will append a header with
|
||
|
|
// with the given name and value for both requests and responses. Existing
|
||
|
|
// headers with the same name will be left in place.
|
||
|
|
func NewAppendModifier(name, value string) martian.RequestResponseModifier {
|
||
|
|
return &appendModifier{
|
||
|
|
name: http.CanonicalHeaderKey(name),
|
||
|
|
value: value,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// appendModifierFromJSON takes a JSON message as a byte slice and returns
|
||
|
|
// an appendModifier and an error.
|
||
|
|
//
|
||
|
|
// Example JSON configuration message:
|
||
|
|
// {
|
||
|
|
// "scope": ["request", "result"],
|
||
|
|
// "name": "X-Martian",
|
||
|
|
// "value": "true"
|
||
|
|
// }
|
||
|
|
func appendModifierFromJSON(b []byte) (*parse.Result, error) {
|
||
|
|
msg := &modifierJSON{}
|
||
|
|
if err := json.Unmarshal(b, msg); err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
|
||
|
|
modifier := NewAppendModifier(msg.Name, msg.Value)
|
||
|
|
|
||
|
|
return parse.NewResult(modifier, msg.Scope)
|
||
|
|
}
|