109 lines
2.5 KiB
Go
109 lines
2.5 KiB
Go
package lfsapi
|
|
|
|
import (
|
|
"fmt"
|
|
"net/url"
|
|
"regexp"
|
|
"strings"
|
|
)
|
|
|
|
const UrlUnknown = "<unknown>"
|
|
|
|
// An Endpoint describes how to access a Git LFS server.
|
|
type Endpoint struct {
|
|
Url string
|
|
SshUserAndHost string
|
|
SshPath string
|
|
SshPort string
|
|
Operation string
|
|
}
|
|
|
|
func endpointOperation(e Endpoint, method string) string {
|
|
if len(e.Operation) > 0 {
|
|
return e.Operation
|
|
}
|
|
|
|
switch method {
|
|
case "GET", "HEAD":
|
|
return "download"
|
|
default:
|
|
return "upload"
|
|
}
|
|
}
|
|
|
|
// endpointFromBareSshUrl constructs a new endpoint from a bare SSH URL:
|
|
//
|
|
// user@host.com:path/to/repo.git
|
|
//
|
|
func endpointFromBareSshUrl(rawurl string) Endpoint {
|
|
parts := strings.Split(rawurl, ":")
|
|
partsLen := len(parts)
|
|
if partsLen < 2 {
|
|
return Endpoint{Url: rawurl}
|
|
}
|
|
|
|
// Treat presence of ':' as a bare URL
|
|
var newPath string
|
|
if len(parts) > 2 { // port included; really should only ever be 3 parts
|
|
newPath = fmt.Sprintf("%v:%v", parts[0], strings.Join(parts[1:], "/"))
|
|
} else {
|
|
newPath = strings.Join(parts, "/")
|
|
}
|
|
newrawurl := fmt.Sprintf("ssh://%v", newPath)
|
|
newu, err := url.Parse(newrawurl)
|
|
if err != nil {
|
|
return Endpoint{Url: UrlUnknown}
|
|
}
|
|
|
|
return endpointFromSshUrl(newu)
|
|
}
|
|
|
|
// endpointFromSshUrl constructs a new endpoint from an ssh:// URL
|
|
func endpointFromSshUrl(u *url.URL) Endpoint {
|
|
var endpoint Endpoint
|
|
// Pull out port now, we need it separately for SSH
|
|
regex := regexp.MustCompile(`^([^\:]+)(?:\:(\d+))?$`)
|
|
match := regex.FindStringSubmatch(u.Host)
|
|
if match == nil || len(match) < 2 {
|
|
endpoint.Url = UrlUnknown
|
|
return endpoint
|
|
}
|
|
|
|
host := match[1]
|
|
if u.User != nil && u.User.Username() != "" {
|
|
endpoint.SshUserAndHost = fmt.Sprintf("%s@%s", u.User.Username(), host)
|
|
} else {
|
|
endpoint.SshUserAndHost = host
|
|
}
|
|
|
|
if len(match) > 2 {
|
|
endpoint.SshPort = match[2]
|
|
}
|
|
|
|
// u.Path includes a preceding '/', strip off manually
|
|
// rooted paths in the URL will be '//path/to/blah'
|
|
// this is just how Go's URL parsing works
|
|
if strings.HasPrefix(u.Path, "/") {
|
|
endpoint.SshPath = u.Path[1:]
|
|
} else {
|
|
endpoint.SshPath = u.Path
|
|
}
|
|
|
|
// Fallback URL for using HTTPS while still using SSH for git
|
|
// u.Host includes host & port so can't use SSH port
|
|
endpoint.Url = fmt.Sprintf("https://%s%s", host, u.Path)
|
|
|
|
return endpoint
|
|
}
|
|
|
|
// Construct a new endpoint from a HTTP URL
|
|
func endpointFromHttpUrl(u *url.URL) Endpoint {
|
|
// just pass this straight through
|
|
return Endpoint{Url: u.String()}
|
|
}
|
|
|
|
func endpointFromGitUrl(u *url.URL, e *endpointGitFinder) Endpoint {
|
|
u.Scheme = e.gitProtocol
|
|
return Endpoint{Url: u.String()}
|
|
}
|