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// Copyright 2017 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 martianurl
import (
"net/http"
"net/url"
"regexp"
)
// RegexMatcher is a conditional evaluator of request urls to be used in
// filters that take conditionals.
type RegexMatcher struct {
r *regexp.Regexp
}
// NewRegexMatcher builds a new url matcher from a compiled Regexp.
func NewRegexMatcher(r *regexp.Regexp) *RegexMatcher {
return &RegexMatcher{
r: r,
}
}
// MatchRequest retuns true if the request URL matches r.
func (m *RegexMatcher) MatchRequest(req *http.Request) bool {
return m.matches(req.URL)
}
// MatchResponse retuns true if the response URL matches r.
func (m *RegexMatcher) MatchResponse(res *http.Response) bool {
return m.matches(res.Request.URL)
}
// matches checks if a url matches r.
func (m *RegexMatcher) matches(u *url.URL) bool {
return m.r.MatchString(u.String())
}
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