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							123 lines
						
					
					
						
							3.0 KiB
						
					
					
				| // Copyright 2019 The Gitea Authors. All rights reserved.
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| // Copyright 2015 The Gogs Authors. All rights reserved.
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| // Use of this source code is governed by a MIT-style
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| // license that can be found in the LICENSE file.
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| 
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| package git
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| 
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| import (
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| 	"fmt"
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| 	"net"
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| 	"net/url"
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| 	"regexp"
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| 	"strings"
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| )
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| 
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| var scpSyntax = regexp.MustCompile(`^([a-zA-Z0-9_]+@)?([a-zA-Z0-9._-]+):(.*)$`)
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| 
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| // SubModule submodule is a reference on git repository
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| type SubModule struct {
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| 	Name string
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| 	URL  string
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| }
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| 
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| // SubModuleFile represents a file with submodule type.
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| type SubModuleFile struct {
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| 	*Commit
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| 
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| 	refURL string
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| 	refID  string
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| }
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| 
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| // NewSubModuleFile create a new submodule file
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| func NewSubModuleFile(c *Commit, refURL, refID string) *SubModuleFile {
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| 	return &SubModuleFile{
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| 		Commit: c,
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| 		refURL: refURL,
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| 		refID:  refID,
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| 	}
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| }
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| 
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| func getRefURL(refURL, urlPrefix, parentPath string) string {
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| 	if refURL == "" {
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| 		return ""
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| 	}
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| 
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| 	refURI := strings.TrimSuffix(refURL, ".git")
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| 
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| 	prefixURL, _ := url.Parse(urlPrefix)
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| 	urlPrefixHostname, _, err := net.SplitHostPort(prefixURL.Host)
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| 	if err != nil {
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| 		urlPrefixHostname = prefixURL.Host
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| 	}
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| 
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| 	// Relative url prefix check (according to git submodule documentation)
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| 	if strings.HasPrefix(refURI, "./") || strings.HasPrefix(refURI, "../") {
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| 		// ...construct and return correct submodule url here...
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| 		idx := strings.Index(parentPath, "/src/")
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| 		if idx == -1 {
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| 			return refURI
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| 		}
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| 		return strings.TrimSuffix(urlPrefix, "/") + parentPath[:idx] + "/" + refURI
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| 	}
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| 
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| 	if !strings.Contains(refURI, "://") {
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| 		// scp style syntax which contains *no* port number after the : (and is not parsed by net/url)
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| 		// ex: git@try.gitea.io:go-gitea/gitea
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| 		match := scpSyntax.FindAllStringSubmatch(refURI, -1)
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| 		if len(match) > 0 {
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| 
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| 			m := match[0]
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| 			refHostname := m[2]
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| 			path := m[3]
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| 
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| 			if !strings.HasPrefix(path, "/") {
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| 				path = "/" + path
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| 			}
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| 
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| 			if urlPrefixHostname == refHostname {
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| 				return prefixURL.Scheme + "://" + urlPrefixHostname + path
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| 			}
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| 			return "http://" + refHostname + path
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| 		}
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| 	}
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| 
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| 	ref, err := url.Parse(refURI)
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| 	if err != nil {
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| 		return ""
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| 	}
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| 
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| 	refHostname, _, err := net.SplitHostPort(ref.Host)
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| 	if err != nil {
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| 		refHostname = ref.Host
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| 	}
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| 
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| 	supportedSchemes := []string{"http", "https", "git", "ssh", "git+ssh"}
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| 
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| 	for _, scheme := range supportedSchemes {
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| 		if ref.Scheme == scheme {
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| 			if urlPrefixHostname == refHostname {
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| 				return prefixURL.Scheme + "://" + prefixURL.Host + ref.Path
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| 			} else if ref.Scheme == "http" || ref.Scheme == "https" {
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| 				if len(ref.User.Username()) > 0 {
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| 					return ref.Scheme + "://" + fmt.Sprintf("%v", ref.User) + "@" + ref.Host + ref.Path
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| 				}
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| 				return ref.Scheme + "://" + ref.Host + ref.Path
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| 			} else {
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| 				return "http://" + refHostname + ref.Path
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| 			}
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| 		}
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| 	}
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| 
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| 	return ""
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| }
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| 
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| // RefURL guesses and returns reference URL.
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| func (sf *SubModuleFile) RefURL(urlPrefix string, parentPath string) string {
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| 	return getRefURL(sf.refURL, urlPrefix, parentPath)
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| }
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| 
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| // RefID returns reference ID.
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| func (sf *SubModuleFile) RefID() string {
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| 	return sf.refID
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| }
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| 
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