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Enable cloning via Git Wire Protocol v2 over HTTP (#12170)
* Enable Git Wire Protocol v2 over HTTP * use RunInDirTimeoutEnv * pass $HOME environment variable to git upload-pack
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commit
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@ -483,6 +483,9 @@ var routes = []route{
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{regexp.MustCompile(`(.*?)/objects/pack/pack-[0-9a-f]{40}\.idx$`), "GET", getIdxFile},
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}
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// one or more key=value pairs separated by colons
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var safeGitProtocolHeader = regexp.MustCompile(`^[0-9a-zA-Z]+=[0-9a-zA-Z]+(:[0-9a-zA-Z]+=[0-9a-zA-Z]+)*$`)
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func getGitConfig(option, dir string) string {
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out, err := git.NewCommand("config", option).RunInDir(dir)
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if err != nil {
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@ -553,14 +556,16 @@ func serviceRPC(h serviceHandler, service string) {
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// set this for allow pre-receive and post-receive execute
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h.environ = append(h.environ, "SSH_ORIGINAL_COMMAND="+service)
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if protocol := h.r.Header.Get("Git-Protocol"); protocol != "" && safeGitProtocolHeader.MatchString(protocol) {
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h.environ = append(h.environ, "GIT_PROTOCOL="+protocol)
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}
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ctx, cancel := gocontext.WithCancel(git.DefaultContext)
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defer cancel()
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var stderr bytes.Buffer
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cmd := exec.CommandContext(ctx, git.GitExecutable, service, "--stateless-rpc", h.dir)
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cmd.Dir = h.dir
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if service == "receive-pack" {
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cmd.Env = append(os.Environ(), h.environ...)
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}
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cmd.Env = append(os.Environ(), h.environ...)
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cmd.Stdout = h.w
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cmd.Stdin = reqBody
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cmd.Stderr = &stderr
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@ -610,7 +615,13 @@ func getInfoRefs(h serviceHandler) {
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h.setHeaderNoCache()
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if hasAccess(getServiceType(h.r), h, false) {
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service := getServiceType(h.r)
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refs, err := git.NewCommand(service, "--stateless-rpc", "--advertise-refs", ".").RunInDirBytes(h.dir)
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if protocol := h.r.Header.Get("Git-Protocol"); protocol != "" && safeGitProtocolHeader.MatchString(protocol) {
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h.environ = append(h.environ, "GIT_PROTOCOL="+protocol)
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}
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h.environ = append(os.Environ(), h.environ...)
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refs, err := git.NewCommand(service, "--stateless-rpc", "--advertise-refs", ".").RunInDirTimeoutEnv(h.environ, -1, h.dir)
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if err != nil {
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log.Error(fmt.Sprintf("%v - %s", err, string(refs)))
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}
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