-
-
Notifications
You must be signed in to change notification settings - Fork 7.4k
/
url.go
189 lines (162 loc) · 4.29 KB
/
url.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
// Copyright 2015 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 helpers
import (
"net/url"
"path"
"path/filepath"
"strings"
"github.com/gohugoio/hugo/common/paths"
)
// URLize is similar to MakePath, but with Unicode handling
// Example:
//
// uri: Vim (text editor)
// urlize: vim-text-editor
func (p *PathSpec) URLize(uri string) string {
return p.URLEscape(p.MakePathSanitized(uri))
}
// URLizeFilename creates an URL from a filename by escaping unicode letters
// and turn any filepath separator into forward slashes.
func (p *PathSpec) URLizeFilename(filename string) string {
return p.URLEscape(filepath.ToSlash(filename))
}
// URLEscape escapes unicode letters.
func (p *PathSpec) URLEscape(uri string) string {
// escape unicode letters
parsedURI, err := url.Parse(uri)
if err != nil {
// if net/url can not parse URL it means Sanitize works incorrectly
panic(err)
}
x := parsedURI.String()
return x
}
// AbsURL creates an absolute URL from the relative path given and the BaseURL set in config.
func (p *PathSpec) AbsURL(in string, addLanguage bool) string {
isAbs, err := p.IsAbsURL(in)
if err != nil {
return in
}
if isAbs || strings.HasPrefix(in, "//") {
// It is already absolute, return it as is.
return in
}
baseURL := p.getBaseURLRoot(in)
if addLanguage {
prefix := p.GetLanguagePrefix()
if prefix != "" {
hasPrefix := false
// avoid adding language prefix if already present
in2 := in
if strings.HasPrefix(in, "/") {
in2 = in[1:]
}
if in2 == prefix {
hasPrefix = true
} else {
hasPrefix = strings.HasPrefix(in2, prefix+"/")
}
if !hasPrefix {
addSlash := in == "" || strings.HasSuffix(in, "/")
in = path.Join(prefix, in)
if addSlash {
in += "/"
}
}
}
}
return paths.MakePermalink(baseURL, in).String()
}
func (p *PathSpec) getBaseURLRoot(path string) string {
if strings.HasPrefix(path, "/") {
// Treat it as relative to the server root.
return p.Cfg.BaseURL().WithoutPath
} else {
// Treat it as relative to the baseURL.
return p.Cfg.BaseURL().WithPath
}
}
func (p *PathSpec) IsAbsURL(in string) (bool, error) {
// Fast path.
if strings.HasPrefix(in, "http://") || strings.HasPrefix(in, "https://") {
return true, nil
}
u, err := url.Parse(in)
if err != nil {
return false, err
}
return u.IsAbs(), nil
}
func (p *PathSpec) RelURL(in string, addLanguage bool) string {
isAbs, err := p.IsAbsURL(in)
if err != nil {
return in
}
baseURL := p.getBaseURLRoot(in)
canonifyURLs := p.Cfg.CanonifyURLs()
if (!strings.HasPrefix(in, baseURL) && isAbs) || strings.HasPrefix(in, "//") {
return in
}
u := in
if strings.HasPrefix(in, baseURL) {
u = strings.TrimPrefix(u, baseURL)
}
if addLanguage {
prefix := p.GetLanguagePrefix()
if prefix != "" {
hasPrefix := false
// avoid adding language prefix if already present
in2 := in
if strings.HasPrefix(in, "/") {
in2 = in[1:]
}
if in2 == prefix {
hasPrefix = true
} else {
hasPrefix = strings.HasPrefix(in2, prefix+"/")
}
if !hasPrefix {
hadSlash := strings.HasSuffix(u, "/")
u = path.Join(prefix, u)
if hadSlash {
u += "/"
}
}
}
}
if !canonifyURLs {
u = paths.AddContextRoot(baseURL, u)
}
if in == "" && !strings.HasSuffix(u, "/") && strings.HasSuffix(baseURL, "/") {
u += "/"
}
if !strings.HasPrefix(u, "/") {
u = "/" + u
}
return u
}
// PrependBasePath prepends any baseURL sub-folder to the given resource
func (p *PathSpec) PrependBasePath(rel string, isAbs bool) string {
basePath := p.GetBasePath(!isAbs)
if basePath != "" {
rel = filepath.ToSlash(rel)
// Need to prepend any path from the baseURL
hadSlash := strings.HasSuffix(rel, "/")
rel = path.Join(basePath, rel)
if hadSlash {
rel += "/"
}
}
return rel
}