mirror of
https://github.com/go-gitea/gitea.git
synced 2024-09-05 23:34:19 -04:00
Refactor submodule URL parsing (#7100)
Use combination of url.Parse and regex to parse refURL rather than by hand with indexes & attempt to check if refURL is from same instance and adjust output to match. Also now return empty string instead of our original guess at URL if we are unable to parse it. Fixes #1526
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@ -1,10 +1,19 @@
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// 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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package git
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import "strings"
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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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var scpSyntax = regexp.MustCompile(`^([a-zA-Z0-9_]+@)?([a-zA-Z0-9._-]+):(.*)$`)
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// SubModule submodule is a reference on git repository
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type SubModule struct {
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@ -34,46 +43,73 @@ func getRefURL(refURL, urlPrefix, parentPath string) string {
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return ""
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}
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url := strings.TrimSuffix(refURL, ".git")
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refURI := strings.TrimSuffix(refURL, ".git")
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// git://xxx/user/repo
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if strings.HasPrefix(url, "git://") {
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return "http://" + strings.TrimPrefix(url, "git://")
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}
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// http[s]://xxx/user/repo
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if strings.HasPrefix(url, "http://") || strings.HasPrefix(url, "https://") {
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return url
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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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// Relative url prefix check (according to git submodule documentation)
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if strings.HasPrefix(url, "./") || strings.HasPrefix(url, "../") {
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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 url
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return refURI
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}
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return strings.TrimSuffix(urlPrefix, "/") + parentPath[:idx] + "/" + url
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return strings.TrimSuffix(urlPrefix, "/") + parentPath[:idx] + "/" + refURI
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}
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// sysuser@xxx:user/repo
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i := strings.Index(url, "@")
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j := strings.LastIndex(url, ":")
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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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// Only process when i < j because git+ssh://git@git.forwardbias.in/npploader.git
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if i > -1 && j > -1 && i < j {
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// fix problem with reverse proxy works only with local server
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if strings.Contains(urlPrefix, url[i+1:j]) {
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return urlPrefix + url[j+1:]
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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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if !strings.HasPrefix(path, "/") {
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path = "/" + path
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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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if strings.HasPrefix(url, "ssh://") || strings.HasPrefix(url, "git+ssh://") {
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k := strings.Index(url[j+1:], "/")
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return "http://" + url[i+1:j] + "/" + url[j+1:][k+1:]
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}
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return "http://" + url[i+1:j] + "/" + url[j+1:]
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}
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return url
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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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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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supportedSchemes := []string{"http", "https", "git", "ssh", "git+ssh"}
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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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return ""
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}
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// RefURL guesses and returns reference URL.
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@ -19,8 +19,19 @@ func TestGetRefURL(t *testing.T) {
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}{
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{"git://github.com/user1/repo1", "/", "/", "http://github.com/user1/repo1"},
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{"https://localhost/user1/repo1.git", "/", "/", "https://localhost/user1/repo1"},
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{"git@github.com/user1/repo1.git", "/", "/", "git@github.com/user1/repo1"},
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{"http://localhost/user1/repo1.git", "/", "/", "http://localhost/user1/repo1"},
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{"git@github.com:user1/repo1.git", "/", "/", "http://github.com/user1/repo1"},
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{"ssh://git@git.zefie.net:2222/zefie/lge_g6_kernel_scripts.git", "/", "/", "http://git.zefie.net/zefie/lge_g6_kernel_scripts"},
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{"git@git.zefie.net:2222/zefie/lge_g6_kernel_scripts.git", "/", "/", "http://git.zefie.net/2222/zefie/lge_g6_kernel_scripts"},
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{"git@try.gitea.io:go-gitea/gitea", "https://try.gitea.io/go-gitea/gitea", "/", "https://try.gitea.io/go-gitea/gitea"},
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{"ssh://git@try.gitea.io:9999/go-gitea/gitea", "https://try.gitea.io/go-gitea/gitea", "/", "https://try.gitea.io/go-gitea/gitea"},
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{"git://git@try.gitea.io:9999/go-gitea/gitea", "https://try.gitea.io/go-gitea/log", "/", "https://try.gitea.io/go-gitea/gitea"},
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{"ssh://git@127.0.0.1:9999/go-gitea/gitea", "https://127.0.0.1:3000/go-gitea/log", "/", "https://127.0.0.1:3000/go-gitea/gitea"},
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{"https://gitea.com:3000/user1/repo1.git", "https://127.0.0.1:3000/go-gitea/gitea", "/", "https://gitea.com:3000/user1/repo1"},
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{"https://username:password@github.com/username/repository.git", "/", "/", "https://username:password@github.com/username/repository"},
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{"somethingbad", "https://127.0.0.1:3000/go-gitea/gitea", "/", ""},
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{"git@localhost:user/repo", "https://localhost/user/repo2", "/", "https://localhost/user/repo"},
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{"../path/to/repo.git/", "https://localhost/user/repo2/src/branch/master/test", "/", "../path/to/repo.git/"},
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}
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for _, kase := range kases {
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