willdot.net
knotserver: support git-upload-archive service over http
Allows a knotserver-hosted repository to be the target of a `git archive --remote=https://<remote>` command.
Signed-off-by: tjh <x@tjh.dev>
tjh.dev
+47
knotserver/git.go
+47
knotserver/git.go
···
56
56
}
57
57
}
58
58
59
+
func (h *Knot) UploadArchive(w http.ResponseWriter, r *http.Request) {
60
+
did := chi.URLParam(r, "did")
61
+
name := chi.URLParam(r, "name")
62
+
repo, err := securejoin.SecureJoin(h.c.Repo.ScanPath, filepath.Join(did, name))
63
+
if err != nil {
64
+
gitError(w, err.Error(), http.StatusInternalServerError)
65
+
h.l.Error("git: failed to secure join repo path", "handler", "UploadPack", "error", err)
66
+
return
67
+
}
68
+
69
+
const expectedContentType = "application/x-git-upload-archive-request"
70
+
contentType := r.Header.Get("Content-Type")
71
+
if contentType != expectedContentType {
72
+
gitError(w, fmt.Sprintf("Expected Content-Type: '%s', but received '%s'.", expectedContentType, contentType), http.StatusUnsupportedMediaType)
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+
}
74
+
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+
var bodyReader io.ReadCloser = r.Body
76
+
if r.Header.Get("Content-Encoding") == "gzip" {
77
+
gzipReader, err := gzip.NewReader(r.Body)
78
+
if err != nil {
79
+
gitError(w, err.Error(), http.StatusInternalServerError)
80
+
h.l.Error("git: failed to create gzip reader", "handler", "UploadArchive", "error", err)
81
+
return
82
+
}
83
+
defer gzipReader.Close()
84
+
bodyReader = gzipReader
85
+
}
86
+
87
+
w.Header().Set("Content-Type", "application/x-git-upload-archive-result")
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+
89
+
h.l.Info("git: executing git-upload-archive", "handler", "UploadArchive", "repo", repo)
90
+
91
+
cmd := service.ServiceCommand{
92
+
GitProtocol: r.Header.Get("Git-Protocol"),
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+
Dir: repo,
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+
Stdout: w,
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+
Stdin: bodyReader,
96
+
}
97
+
98
+
w.WriteHeader(http.StatusOK)
99
+
100
+
if err := cmd.UploadArchive(); err != nil {
101
+
h.l.Error("git: failed to execute git-upload-pack", "handler", "UploadPack", "error", err)
102
+
return
103
+
}
104
+
}
105
+
59
106
func (h *Knot) UploadPack(w http.ResponseWriter, r *http.Request) {
60
107
did := chi.URLParam(r, "did")
61
108
name := chi.URLParam(r, "name")
+13
knotserver/git/service/service.go
+13
knotserver/git/service/service.go
···
95
95
return c.RunService(cmd)
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96
}
97
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98
+
func (c *ServiceCommand) UploadArchive() error {
99
+
cmd := exec.Command("git", []string{
100
+
"upload-archive",
101
+
".",
102
+
}...)
103
+
104
+
cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
105
+
cmd.Env = append(cmd.Env, fmt.Sprintf("GIT_PROTOCOL=%s", c.GitProtocol))
106
+
cmd.Dir = c.Dir
107
+
108
+
return c.RunService(cmd)
109
+
}
110
+
98
111
func (c *ServiceCommand) UploadPack() error {
99
112
cmd := exec.Command("git", []string{
100
113
"-c", "uploadpack.allowFilter=true",
+1
knotserver/router.go
+1
knotserver/router.go