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anirudh.fi
1package knotserver
2
3import (
4 "compress/gzip"
5 "io"
6 "net/http"
7 "path/filepath"
8
9 securejoin "github.com/cyphar/filepath-securejoin"
10 "github.com/go-chi/chi/v5"
11 "tangled.sh/tangled.sh/core/knotserver/git/service"
12)
13
14func (d *Handle) InfoRefs(w http.ResponseWriter, r *http.Request) {
15 did := chi.URLParam(r, "did")
16 name := chi.URLParam(r, "name")
17 repo, _ := securejoin.SecureJoin(d.c.Repo.ScanPath, filepath.Join(did, name))
18
19 w.Header().Set("content-type", "application/x-git-upload-pack-advertisement")
20 w.WriteHeader(http.StatusOK)
21
22 cmd := service.ServiceCommand{
23 Dir: repo,
24 Stdout: w,
25 }
26
27 if err := cmd.InfoRefs(); err != nil {
28 writeError(w, err.Error(), 500)
29 d.l.Error("git: failed to execute git-upload-pack (info/refs)", "handler", "InfoRefs", "error", err)
30 return
31 }
32}
33
34func (d *Handle) UploadPack(w http.ResponseWriter, r *http.Request) {
35 did := chi.URLParam(r, "did")
36 name := chi.URLParam(r, "name")
37 repo, err := securejoin.SecureJoin(d.c.Repo.ScanPath, filepath.Join(did, name))
38 if err != nil {
39 writeError(w, err.Error(), 500)
40 d.l.Error("git: failed to secure join repo path", "handler", "UploadPack", "error", err)
41 return
42 }
43
44 var bodyReader io.ReadCloser = r.Body
45 if r.Header.Get("Content-Encoding") == "gzip" {
46 gzipReader, err := gzip.NewReader(r.Body)
47 if err != nil {
48 writeError(w, err.Error(), 500)
49 d.l.Error("git: failed to create gzip reader", "handler", "UploadPack", "error", err)
50 return
51 }
52 defer gzipReader.Close()
53 bodyReader = gzipReader
54 }
55
56 w.Header().Set("Content-Type", "application/x-git-upload-pack-result")
57 w.Header().Set("Connection", "Keep-Alive")
58
59 d.l.Info("git: executing git-upload-pack", "handler", "UploadPack", "repo", repo)
60
61 cmd := service.ServiceCommand{
62 Dir: repo,
63 Stdout: w,
64 Stdin: bodyReader,
65 }
66
67 w.WriteHeader(http.StatusOK)
68
69 if err := cmd.UploadPack(); err != nil {
70 d.l.Error("git: failed to execute git-upload-pack", "handler", "UploadPack", "error", err)
71 return
72 }
73}