gitea/modules/git/url/url.go

91 lines
1.8 KiB
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package url
import (
"fmt"
stdurl "net/url"
"strings"
)
// ErrWrongURLFormat represents an error with wrong url format
type ErrWrongURLFormat struct {
URL string
}
func (err ErrWrongURLFormat) Error() string {
return fmt.Sprintf("git URL %s format is wrong", err.URL)
}
// GitURL represents a git URL
type GitURL struct {
*stdurl.URL
extraMark int // 0 no extra 1 scp 2 file path with no prefix
}
// String returns the URL's string
func (u *GitURL) String() string {
switch u.extraMark {
case 0:
return u.URL.String()
case 1:
return fmt.Sprintf("%s@%s:%s", u.User.Username(), u.Host, u.Path)
case 2:
return u.Path
default:
return ""
}
}
// Parse parse all kinds of git URL
func Parse(remote string) (*GitURL, error) {
if strings.Contains(remote, "://") {
u, err := stdurl.Parse(remote)
if err != nil {
return nil, err
}
return &GitURL{URL: u}, nil
} else if strings.Contains(remote, "@") && strings.Contains(remote, ":") {
url := stdurl.URL{
Scheme: "ssh",
}
squareBrackets := false
lastIndex := -1
FOR:
for i := 0; i < len(remote); i++ {
switch remote[i] {
case '@':
url.User = stdurl.User(remote[:i])
lastIndex = i + 1
case ':':
if !squareBrackets {
url.Host = strings.ReplaceAll(remote[lastIndex:i], "%25", "%")
if len(remote) <= i+1 {
return nil, ErrWrongURLFormat{URL: remote}
}
url.Path = remote[i+1:]
break FOR
}
case '[':
squareBrackets = true
case ']':
squareBrackets = false
}
}
return &GitURL{
URL: &url,
extraMark: 1,
}, nil
}
return &GitURL{
URL: &stdurl.URL{
Scheme: "file",
Path: remote,
},
extraMark: 2,
}, nil
}