mirror of https://github.com/harness/drone.git
55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
// Copyright 2023 Harness, Inc.
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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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package validation
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import (
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"net/url"
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"strings"
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)
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// IsValidURL checks if URL is valid.
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func IsValidURL(uri string) bool {
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if u, err := url.ParseRequestURI(uri); err != nil ||
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(u.Scheme != "http" && u.Scheme != "https") ||
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!validPort(portOnly(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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func validPort(p string) bool {
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for _, r := range []byte(p) {
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if r < '0' || r > '9' {
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return false
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}
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}
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return true
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}
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func portOnly(hostport string) string {
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colon := strings.IndexByte(hostport, ':')
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if colon == -1 {
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return ""
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}
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if i := strings.Index(hostport, "]:"); i != -1 {
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return hostport[i+len("]:"):]
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}
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if strings.Contains(hostport, "]") {
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return ""
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}
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return hostport[colon+len(":"):]
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}
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