|
- // Copyright 2019 The Gitea Authors. All rights reserved.
- // Copyright 2015 The Gogs 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 git
-
- import (
- "fmt"
- "net"
- "net/url"
- "path"
- "regexp"
- "strings"
- )
-
- var scpSyntax = regexp.MustCompile(`^([a-zA-Z0-9_]+@)?([a-zA-Z0-9._-]+):(.*)$`)
-
- // SubModule submodule is a reference on git repository
- type SubModule struct {
- Name string
- URL string
- }
-
- // SubModuleFile represents a file with submodule type.
- type SubModuleFile struct {
- *Commit
-
- refURL string
- refID string
- }
-
- // NewSubModuleFile create a new submodule file
- func NewSubModuleFile(c *Commit, refURL, refID string) *SubModuleFile {
- return &SubModuleFile{
- Commit: c,
- refURL: refURL,
- refID: refID,
- }
- }
-
- func getRefURL(refURL, urlPrefix, repoFullName string) string {
- if refURL == "" {
- return ""
- }
-
- refURI := strings.TrimSuffix(refURL, ".git")
-
- prefixURL, _ := url.Parse(urlPrefix)
- urlPrefixHostname, _, err := net.SplitHostPort(prefixURL.Host)
- if err != nil {
- urlPrefixHostname = prefixURL.Host
- }
-
- if strings.HasSuffix(urlPrefix, "/") {
- urlPrefix = urlPrefix[:len(urlPrefix)-1]
- }
-
- // FIXME: Need to consider branch - which will require changes in modules/git/commit.go:GetSubModules
- // Relative url prefix check (according to git submodule documentation)
- if strings.HasPrefix(refURI, "./") || strings.HasPrefix(refURI, "../") {
- return urlPrefix + path.Clean(path.Join("/", repoFullName, refURI))
- }
-
- if !strings.Contains(refURI, "://") {
- // scp style syntax which contains *no* port number after the : (and is not parsed by net/url)
- // ex: git@try.gitea.io:go-gitea/gitea
- match := scpSyntax.FindAllStringSubmatch(refURI, -1)
- if len(match) > 0 {
-
- m := match[0]
- refHostname := m[2]
- pth := m[3]
-
- if !strings.HasPrefix(pth, "/") {
- pth = "/" + pth
- }
-
- if urlPrefixHostname == refHostname {
- return urlPrefix + path.Clean(path.Join("/", pth))
- }
- return "http://" + refHostname + pth
- }
- }
-
- ref, err := url.Parse(refURI)
- if err != nil {
- return ""
- }
-
- refHostname, _, err := net.SplitHostPort(ref.Host)
- if err != nil {
- refHostname = ref.Host
- }
-
- supportedSchemes := []string{"http", "https", "git", "ssh", "git+ssh"}
-
- for _, scheme := range supportedSchemes {
- if ref.Scheme == scheme {
- if urlPrefixHostname == refHostname {
- return urlPrefix + path.Clean(path.Join("/", ref.Path))
- } else if ref.Scheme == "http" || ref.Scheme == "https" {
- if len(ref.User.Username()) > 0 {
- return ref.Scheme + "://" + fmt.Sprintf("%v", ref.User) + "@" + ref.Host + ref.Path
- }
- return ref.Scheme + "://" + ref.Host + ref.Path
- } else {
- return "http://" + refHostname + ref.Path
- }
- }
- }
-
- return ""
- }
-
- // RefURL guesses and returns reference URL.
- func (sf *SubModuleFile) RefURL(urlPrefix string, repoFullName string) string {
- return getRefURL(sf.refURL, urlPrefix, repoFullName)
- }
-
- // RefID returns reference ID.
- func (sf *SubModuleFile) RefID() string {
- return sf.refID
- }
|