Repository navigation
Expand file tree
/
Copy pathurl.go
More file actions
106 lines (91 loc) · 2.29 KB
/
Copy pathurl.go
File metadata and controls
106 lines (91 loc) · 2.29 KB
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
/*
* Minio Cloud Storage, (C) 2018 Minio, Inc.
*
* 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 net
import (
"encoding/json"
"errors"
"net/url"
"path"
)
// URL - improved JSON friendly url.URL.
type URL url.URL
// IsEmpty - checks URL is empty or not.
func (u URL) IsEmpty() bool {
return u.String() == ""
}
// String - returns string representation of URL.
func (u URL) String() string {
// if port number 80 and 443, remove for http and https scheme respectively
if u.Host != "" {
host, err := ParseHost(u.Host)
if err != nil {
panic(err)
}
switch {
case u.Scheme == "http" && host.Port == 80:
fallthrough
case u.Scheme == "https" && host.Port == 443:
u.Host = host.Name
}
}
uu := url.URL(u)
return uu.String()
}
// MarshalJSON - converts to JSON string data.
func (u URL) MarshalJSON() ([]byte, error) {
return json.Marshal(u.String())
}
// UnmarshalJSON - parses given data into URL.
func (u *URL) UnmarshalJSON(data []byte) (err error) {
var s string
if err = json.Unmarshal(data, &s); err != nil {
return err
}
// Allow empty string
if s == "" {
*u = URL{}
return nil
}
var ru *URL
if ru, err = ParseURL(s); err != nil {
return err
}
*u = *ru
return nil
}
// ParseURL - parses string into URL.
func ParseURL(s string) (u *URL, err error) {
var uu *url.URL
if uu, err = url.Parse(s); err != nil {
return nil, err
}
if uu.Host == "" {
if uu.Scheme != "" {
return nil, errors.New("scheme appears with empty host")
}
} else if _, err = ParseHost(uu.Host); err != nil {
return nil, err
}
// Clean path in the URL.
// Note: path.Clean() is used on purpose because in MS Windows filepath.Clean() converts
// `/` into `\` ie `/foo` becomes `\foo`
if uu.Path != "" {
uu.Path = path.Clean(uu.Path)
}
v := URL(*uu)
u = &v
return u, nil
}