mirror of https://github.com/kubevela/kubevela.git
73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
/*
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Copyright 2021 The KubeVela Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 utils
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import (
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"fmt"
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"net/url"
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"regexp"
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)
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// ParseAPIServerEndpoint automatically construct the full url of APIServer
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// It will patch port and scheme if not exists
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func ParseAPIServerEndpoint(server string) (string, error) {
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r := regexp.MustCompile(`^((?P<scheme>http|https)://)?(?P<host>[^:\s]+)(:(?P<port>[0-9]+))?$`)
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if !r.MatchString(server) {
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return "", fmt.Errorf("invalid endpoint url: %s", server)
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}
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var scheme, port, host string
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results := r.FindStringSubmatch(server)
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for i, name := range r.SubexpNames() {
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switch name {
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case "scheme":
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scheme = results[i]
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case "host":
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host = results[i]
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case "port":
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port = results[i]
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}
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}
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if scheme == "" {
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if port == "80" {
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scheme = "http"
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} else {
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scheme = "https"
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}
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}
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if port == "" {
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if scheme == "http" {
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port = "80"
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} else {
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port = "443"
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}
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}
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return fmt.Sprintf("%s://%s:%s", scheme, host, port), nil
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}
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// IsValidURL checks whether the given string is a valid URL or not
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func IsValidURL(strURL string) bool {
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_, err := url.ParseRequestURI(strURL)
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if err != nil {
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return false
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}
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u, err := url.Parse(strURL)
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if err != nil || u.Scheme == "" || 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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