github.com/greenpau/go-authcrunch@v1.1.4/pkg/util/sanitizer.go (about)

     1  // Copyright 2022 Paul Greenberg greenpau@outlook.com
     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 util
    16  
    17  import (
    18  	"net/url"
    19  	"regexp"
    20  )
    21  
    22  // SanitizeURL escapes some invalid characters than can allow for Cross Site Scripting
    23  func SanitizeURL(s string) string {
    24  	r := regexp.MustCompile("[&|<|>|\"|']")
    25  	return r.ReplaceAllStringFunc(s, func(st string) string {
    26  		return url.QueryEscape(st)
    27  	})
    28  }