65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
/*
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* Copyright 2020 The Dragonfly Authors
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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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*/
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package urlutils
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import (
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"net/url"
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"d7y.io/dragonfly/v2/pkg/util/stringutils"
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)
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// FilterURLParam excludes queries in url with filters.
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func FilterURLParam(str string, filters []string) string {
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if len(filters) == 0 || len(str) == 0 {
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return str
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}
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u, err := url.Parse(str)
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if err != nil {
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return ""
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}
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var values = make(url.Values)
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for k, v := range u.Query() {
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if !stringutils.ContainsFold(filters, k) {
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values[k] = v
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}
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}
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u.RawQuery = values.Encode()
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return u.String()
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}
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// IsValidURL returns whether the string url is a valid URL.
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func IsValidURL(str string) bool {
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u, err := url.Parse(str)
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if err != nil {
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return false
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}
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if stringutils.IsBlank(u.Scheme) {
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return false
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}
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if stringutils.IsBlank(u.Host) {
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return false
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}
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return true
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}
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