mirror of
https://github.com/gohugoio/hugo.git
synced 2024-12-29 07:30:55 +00:00
135 lines
3.1 KiB
Go
135 lines
3.1 KiB
Go
// Copyright © 2013 Steve Francia <spf@spf13.com>.
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//
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// Licensed under the Simple Public 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://opensource.org/licenses/Simple-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 helpers
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import (
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"fmt"
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"net/url"
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"path"
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"strings"
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"github.com/PuerkitoBio/purell"
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)
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func SanitizeUrl(in string) string {
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url, err := purell.NormalizeURLString(in, purell.FlagsSafe|purell.FlagRemoveTrailingSlash|purell.FlagRemoveDotSegments|purell.FlagRemoveDuplicateSlashes|purell.FlagRemoveUnnecessaryHostDots|purell.FlagRemoveEmptyPortSeparator)
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if err != nil {
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return in
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}
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return url
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}
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// Similar to MakePath, but with Unicode handling
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// Example:
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// uri: Vim (text editor)
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// urlize: vim-text-editor
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func Urlize(uri string) string {
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sanitized := MakePathToLower(uri)
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// escape unicode letters
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parsedUri, err := url.Parse(sanitized)
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if err != nil {
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// if net/url can not parse URL it's meaning Sanitize works incorrect
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panic(err)
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}
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x := parsedUri.String()
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return x
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}
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// Combines a base with a path
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// Example
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// base: http://spf13.com/
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// path: post/how-i-blog
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// result: http://spf13.com/post/how-i-blog
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func MakePermalink(host, plink string) *url.URL {
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base, err := url.Parse(host)
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if err != nil {
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panic(err)
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}
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p, err := url.Parse(plink)
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if err != nil {
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panic(err)
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}
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if p.Host != "" {
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panic(fmt.Errorf("Can't make permalink from absolute link %q", plink))
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}
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base.Path = path.Join(base.Path, p.Path)
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// path.Join will strip off the last /, so put it back if it was there.
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if strings.HasSuffix(p.Path, "/") && !strings.HasSuffix(base.Path, "/") {
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base.Path = base.Path + "/"
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}
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return base
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}
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func UrlPrep(ugly bool, in string) string {
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if ugly {
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x := Uglify(SanitizeUrl(in))
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return x
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} else {
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x := PrettifyUrl(SanitizeUrl(in))
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url, err := purell.NormalizeURLString(x, purell.FlagAddTrailingSlash)
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if err != nil {
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return in
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}
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return url
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}
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}
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// Don't Return /index.html portion.
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func PrettifyUrl(in string) string {
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x := PrettifyPath(in)
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if path.Base(x) == "index.html" {
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return path.Dir(x)
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}
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if in == "" {
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return "/"
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}
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return x
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}
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// /section/name/index.html -> /section/name.html
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// /section/name/ -> /section/name.html
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// /section/name.html -> /section/name.html
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func Uglify(in string) string {
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if path.Ext(in) == "" {
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if len(in) < 2 {
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return "/"
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}
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// /section/name/ -> /section/name.html
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return path.Clean(in) + ".html"
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} else {
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name, ext := FileAndExt(in)
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if name == "index" {
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// /section/name/index.html -> /section/name.html
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d := path.Dir(in)
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if len(d) > 1 {
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return d + ext
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} else {
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return in
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}
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} else {
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// /section/name.html -> /section/name.html
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return path.Clean(in)
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}
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}
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}
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