f16bfda2f2
This is an effort to remove panic from the source. Add a new call called CriticialIf, that calls LogIf and exits. Replace panics with one of CriticalIf, FatalIf and a return of error.
107 lines
2.3 KiB
Go
107 lines
2.3 KiB
Go
/*
|
|
* 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
|
|
}
|