github.com/google/martian/v3@v3.3.3/martianurl/url_regex_matcher.go (about)

     1  // Copyright 2017 Google Inc. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package martianurl
    16  
    17  import (
    18  	"net/http"
    19  	"net/url"
    20  	"regexp"
    21  )
    22  
    23  // RegexMatcher is a conditional evaluator of request urls to be used in
    24  // filters that take conditionals.
    25  type RegexMatcher struct {
    26  	r *regexp.Regexp
    27  }
    28  
    29  // NewRegexMatcher builds a new url matcher from a compiled Regexp.
    30  func NewRegexMatcher(r *regexp.Regexp) *RegexMatcher {
    31  	return &RegexMatcher{
    32  		r: r,
    33  	}
    34  }
    35  
    36  // MatchRequest retuns true if the request URL matches r.
    37  func (m *RegexMatcher) MatchRequest(req *http.Request) bool {
    38  	return m.matches(req.URL)
    39  }
    40  
    41  // MatchResponse retuns true if the response URL matches r.
    42  func (m *RegexMatcher) MatchResponse(res *http.Response) bool {
    43  	return m.matches(res.Request.URL)
    44  }
    45  
    46  // matches checks if a url matches r.
    47  func (m *RegexMatcher) matches(u *url.URL) bool {
    48  	return m.r.MatchString(u.String())
    49  }