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- // 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 (
- "net/http"
-
- "github.com/google/martian/proxyutil"
- )
-
- // Matcher is a conditonal evalutor of request or
- // response headers to be used in structs that take conditions.
- type Matcher struct {
- name, value string
- }
-
- // NewMatcher builds a new header matcher.
- func NewMatcher(name, value string) *Matcher {
- return &Matcher{
- name: name,
- value: value,
- }
- }
-
- // MatchRequest evaluates a request and returns whether or not
- // the request contains a header that matches the provided name
- // and value.
- func (m *Matcher) MatchRequest(req *http.Request) bool {
- h := proxyutil.RequestHeader(req)
-
- vs, ok := h.All(m.name)
- if !ok {
- return false
- }
-
- for _, v := range vs {
- if v == m.value {
- return true
- }
- }
-
- return false
- }
-
- // MatchResponse evaluates a response and returns whether or not
- // the response contains a header that matches the provided name
- // and value.
- func (m *Matcher) MatchResponse(res *http.Response) bool {
- h := proxyutil.ResponseHeader(res)
-
- vs, ok := h.All(m.name)
- if !ok {
- return false
- }
-
- for _, v := range vs {
- if v == m.value {
- return true
- }
- }
-
- return false
- }
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