mirror of
https://github.com/dutchcoders/transfer.sh.git
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105 lines
2.9 KiB
Go
105 lines
2.9 KiB
Go
// Copyright 2015 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package cookie allows for the modification of cookies on http requests and responses.
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package cookie
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import (
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"encoding/json"
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"net/http"
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"time"
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"github.com/google/martian"
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"github.com/google/martian/log"
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"github.com/google/martian/parse"
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)
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func init() {
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parse.Register("cookie.Modifier", modifierFromJSON)
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}
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type modifier struct {
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cookie *http.Cookie
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}
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type modifierJSON struct {
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Name string `json:"name"`
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Value string `json:"value"`
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Path string `json:"path"`
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Domain string `json:"domain"`
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Expires time.Time `json:"expires"`
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Secure bool `json:"secure"`
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HTTPOnly bool `json:"httpOnly"`
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MaxAge int `json:"maxAge"`
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Scope []parse.ModifierType `json:"scope"`
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}
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// ModifyRequest adds cookie to the request.
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func (m *modifier) ModifyRequest(req *http.Request) error {
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req.AddCookie(m.cookie)
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log.Debugf("cookie.ModifyRequest: %s: cookie: %s", req.URL, m.cookie)
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return nil
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}
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// ModifyResponse sets cookie on the response.
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func (m *modifier) ModifyResponse(res *http.Response) error {
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res.Header.Add("Set-Cookie", m.cookie.String())
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log.Debugf("cookie.ModifyResponse: %s: cookie: %s", res.Request.URL, m.cookie)
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return nil
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}
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// NewModifier returns a modifier that injects the provided cookie into the
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// request or response.
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func NewModifier(cookie *http.Cookie) martian.RequestResponseModifier {
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return &modifier{
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cookie: cookie,
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}
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}
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// modifierFromJSON takes a JSON message as a byte slice and returns a
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// CookieModifier and an error.
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//
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// Example JSON Configuration message:
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// {
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// "name": "Martian-Cookie",
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// "value": "some value",
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// "path": "/some/path",
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// "domain": "example.com",
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// "expires": "2025-04-12T23:20:50.52Z", // RFC 3339
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// "secure": true,
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// "httpOnly": false,
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// "maxAge": 86400,
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// "scope": ["request", "result"]
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// }
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func modifierFromJSON(b []byte) (*parse.Result, error) {
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msg := &modifierJSON{}
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if err := json.Unmarshal(b, msg); err != nil {
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return nil, err
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}
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c := &http.Cookie{
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Name: msg.Name,
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Value: msg.Value,
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Path: msg.Path,
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Domain: msg.Domain,
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Expires: msg.Expires,
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Secure: msg.Secure,
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HttpOnly: msg.HTTPOnly,
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MaxAge: msg.MaxAge,
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}
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return parse.NewResult(NewModifier(c), msg.Scope)
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}
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