mirror of https://github.com/gohugoio/hugo
113 lines
3.0 KiB
Go
113 lines
3.0 KiB
Go
// Copyright 2024 The Hugo 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 urls
|
|
|
|
import (
|
|
"fmt"
|
|
"net/url"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
// A BaseURL in Hugo is normally on the form scheme://path, but the
|
|
// form scheme: is also valid (mailto:hugo@rules.com).
|
|
type BaseURL struct {
|
|
url *url.URL
|
|
WithPath string
|
|
WithPathNoTrailingSlash string
|
|
WithoutPath string
|
|
BasePath string
|
|
BasePathNoTrailingSlash string
|
|
}
|
|
|
|
func (b BaseURL) String() string {
|
|
return b.WithPath
|
|
}
|
|
|
|
func (b BaseURL) Path() string {
|
|
return b.url.Path
|
|
}
|
|
|
|
func (b BaseURL) Port() int {
|
|
p, _ := strconv.Atoi(b.url.Port())
|
|
return p
|
|
}
|
|
|
|
// HostURL returns the URL to the host root without any path elements.
|
|
func (b BaseURL) HostURL() string {
|
|
return strings.TrimSuffix(b.String(), b.Path())
|
|
}
|
|
|
|
// WithProtocol returns the BaseURL prefixed with the given protocol.
|
|
// The Protocol is normally of the form "scheme://", i.e. "webcal://".
|
|
func (b BaseURL) WithProtocol(protocol string) (BaseURL, error) {
|
|
u := b.URL()
|
|
|
|
scheme := protocol
|
|
isFullProtocol := strings.HasSuffix(scheme, "://")
|
|
isOpaqueProtocol := strings.HasSuffix(scheme, ":")
|
|
|
|
if isFullProtocol {
|
|
scheme = strings.TrimSuffix(scheme, "://")
|
|
} else if isOpaqueProtocol {
|
|
scheme = strings.TrimSuffix(scheme, ":")
|
|
}
|
|
|
|
u.Scheme = scheme
|
|
|
|
if isFullProtocol && u.Opaque != "" {
|
|
u.Opaque = "//" + u.Opaque
|
|
} else if isOpaqueProtocol && u.Opaque == "" {
|
|
return BaseURL{}, fmt.Errorf("cannot determine BaseURL for protocol %q", protocol)
|
|
}
|
|
|
|
return newBaseURLFromURL(u)
|
|
}
|
|
|
|
func (b BaseURL) WithPort(port int) (BaseURL, error) {
|
|
u := b.URL()
|
|
u.Host = u.Hostname() + ":" + strconv.Itoa(port)
|
|
return newBaseURLFromURL(u)
|
|
}
|
|
|
|
// URL returns a copy of the internal URL.
|
|
// The copy can be safely used and modified.
|
|
func (b BaseURL) URL() *url.URL {
|
|
c := *b.url
|
|
return &c
|
|
}
|
|
|
|
func NewBaseURLFromString(b string) (BaseURL, error) {
|
|
u, err := url.Parse(b)
|
|
if err != nil {
|
|
return BaseURL{}, err
|
|
}
|
|
return newBaseURLFromURL(u)
|
|
}
|
|
|
|
func newBaseURLFromURL(u *url.URL) (BaseURL, error) {
|
|
// A baseURL should always have a trailing slash, see #11669.
|
|
if !strings.HasSuffix(u.Path, "/") {
|
|
u.Path += "/"
|
|
}
|
|
baseURL := BaseURL{url: u, WithPath: u.String(), WithPathNoTrailingSlash: strings.TrimSuffix(u.String(), "/")}
|
|
baseURLNoPath := baseURL.URL()
|
|
baseURLNoPath.Path = ""
|
|
baseURL.WithoutPath = baseURLNoPath.String()
|
|
baseURL.BasePath = u.Path
|
|
baseURL.BasePathNoTrailingSlash = strings.TrimSuffix(u.Path, "/")
|
|
|
|
return baseURL, nil
|
|
}
|