mirror of
https://github.com/helm/helm.git
synced 2026-03-02 21:43:41 -05:00
bd02f39384
This flattens the getter package tree, adds tests, and changes a little bit of the terminology to follow Go idioms. This also makes much of the getter API private to begin with. This will give us more flexibility in the future.
87 lines
2.1 KiB
Go
87 lines
2.1 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors All rights reserved.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package urlutil
|
|
|
|
import (
|
|
"net/url"
|
|
"path"
|
|
"path/filepath"
|
|
"strings"
|
|
)
|
|
|
|
// URLJoin joins a base URL to one or more path components.
|
|
//
|
|
// It's like filepath.Join for URLs. If the baseURL is pathish, this will still
|
|
// perform a join.
|
|
//
|
|
// If the URL is unparsable, this returns an error.
|
|
func URLJoin(baseURL string, paths ...string) (string, error) {
|
|
u, err := url.Parse(baseURL)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
// We want path instead of filepath because path always uses /.
|
|
all := []string{u.Path}
|
|
all = append(all, paths...)
|
|
u.Path = path.Join(all...)
|
|
return u.String(), nil
|
|
}
|
|
|
|
// Equal normalizes two URLs and then compares for equality.
|
|
func Equal(a, b string) bool {
|
|
au, err := url.Parse(a)
|
|
if err != nil {
|
|
a = filepath.Clean(a)
|
|
b = filepath.Clean(b)
|
|
// If urls are paths, return true only if they are an exact match
|
|
return a == b
|
|
}
|
|
bu, err := url.Parse(b)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
|
|
for _, u := range []*url.URL{au, bu} {
|
|
if u.Path == "" {
|
|
u.Path = "/"
|
|
}
|
|
u.Path = filepath.Clean(u.Path)
|
|
}
|
|
return au.String() == bu.String()
|
|
}
|
|
|
|
// ExtractHostname returns hostname from URL
|
|
func ExtractHostname(addr string) (string, error) {
|
|
u, err := url.Parse(addr)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return stripPort(u.Host), nil
|
|
}
|
|
|
|
// Backported from Go 1.8 because Circle is still on 1.7
|
|
func stripPort(hostport string) string {
|
|
colon := strings.IndexByte(hostport, ':')
|
|
if colon == -1 {
|
|
return hostport
|
|
}
|
|
if i := strings.IndexByte(hostport, ']'); i != -1 {
|
|
return strings.TrimPrefix(hostport[:i], "[")
|
|
}
|
|
return hostport[:colon]
|
|
|
|
}
|