git: pure go git clone
4 files changed, 118 insertions(+), 35 deletions(-)
changed files
M go.mod → go.mod
@@ -6,8 +6,8 @@ require ( github.com/alexedwards/flow v0.0.0-20220806114457-cf11be9e0e03 github.com/bluekeyes/go-gitdiff v0.7.0 github.com/dustin/go-humanize v1.0.0 + github.com/go-git/go-billy/v5 v5.3.1 github.com/go-git/go-git/v5 v5.5.1 - github.com/sosedoff/gitkit v0.3.0 golang.org/x/sys v0.3.0 gopkg.in/yaml.v3 v3.0.0 )@@ -19,8 +19,6 @@ github.com/acomagu/bufpipe v1.0.3 // indirect github.com/cloudflare/circl v1.3.0 // indirect github.com/emirpasic/gods v1.18.1 // indirect github.com/go-git/gcfg v1.5.0 // indirect - github.com/go-git/go-billy/v5 v5.3.1 // indirect - github.com/gofrs/uuid v4.0.0+incompatible // indirect github.com/imdario/mergo v0.3.13 // indirect github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect github.com/kevinburke/ssh_config v1.2.0 // indirect
M go.sum → go.sum
@@ -35,8 +35,6 @@ github.com/go-git/go-git-fixtures/v4 v4.3.1 h1:y5z6dd3qi8Hl+stezc8p3JxDkoTRqMAlKnXHuzrfjTQ= github.com/go-git/go-git-fixtures/v4 v4.3.1/go.mod h1:8LHG1a3SRW71ettAD/jW13h8c6AqjVSeL11RAdgaqpo= github.com/go-git/go-git/v5 v5.5.1 h1:5vtv2TB5PM/gPM+EvsHJ16hJh4uAkdGcKilcwY7FYwo= github.com/go-git/go-git/v5 v5.5.1/go.mod h1:uz5PQ3d0gz7mSgzZhSJToM6ALPaKCdSnl58/Xb5hzr8= -github.com/gofrs/uuid v4.0.0+incompatible h1:1SD/1F5pU8p29ybwgQSwpQk+mwdRrXCYuPhW6m+TnJw= -github.com/gofrs/uuid v4.0.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM= github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38= github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= github.com/imdario/mergo v0.3.13 h1:lFzP57bqS/wsqKssCGmtLAb8A0wKjLGrve2q3PPVcBk=@@ -67,8 +65,6 @@ github.com/sergi/go-diff v1.1.0/go.mod h1:STckp+ISIX8hZLjrqAeVduY0gWCT9IjLuqbuNXdaHfM= github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0= github.com/skeema/knownhosts v1.1.0 h1:Wvr9V0MxhjRbl3f9nMnKnFfiWTJmtECJ9Njkea3ysW0= github.com/skeema/knownhosts v1.1.0/go.mod h1:sKFq3RD6/TKZkSWn8boUbDC7Qkgcv+8XXijpFO6roag= -github.com/sosedoff/gitkit v0.3.0 h1:TfINVRNUM+GcFa+LGhZ3RcWN86Im1M6i8qs0IsgMy90= -github.com/sosedoff/gitkit v0.3.0/go.mod h1:V3EpGZ0nvCBhXerPsbDeqtyReNb48cwP9KtkUYTKT5I= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=@@ -78,7 +74,6 @@ github.com/xanzy/ssh-agent v0.3.3 h1:+/15pJfg/RsTxqYcX6fHqOXZwwMP+2VyYWJeWM2qQFM= github.com/xanzy/ssh-agent v0.3.3/go.mod h1:6dzNDKs0J9rVPHPhaGCukekBHKqfl+L3KghI1Bc68Uw= github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= -golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8= golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4= golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
A routes/git.go
@@ -0,0 +1,108 @@ +package routes + +import ( + "errors" + "log" + "net/http" + "path/filepath" + + "github.com/alexedwards/flow" + "github.com/go-git/go-billy/v5/osfs" + "github.com/go-git/go-git/v5/plumbing/format/pktline" + "github.com/go-git/go-git/v5/plumbing/protocol/packp" + "github.com/go-git/go-git/v5/plumbing/transport" + "github.com/go-git/go-git/v5/plumbing/transport/server" +) + +func (d *deps) InfoRefs(w http.ResponseWriter, r *http.Request) { + name := flow.Param(r.Context(), "name") + name = filepath.Clean(name) + + repo := filepath.Join(d.c.Repo.ScanPath, name) + + w.Header().Set("content-type", "application/x-git-upload-pack-advertisement") + + ep, err := transport.NewEndpoint("/") + if err != nil { + http.Error(w, err.Error(), 500) + log.Printf("git: %s", err) + return + } + + billyfs := osfs.New(repo) + loader := server.NewFilesystemLoader(billyfs) + srv := server.NewServer(loader) + session, err := srv.NewUploadPackSession(ep, nil) + if err != nil { + http.Error(w, err.Error(), 500) + log.Printf("git: %s", err) + return + } + + ar, err := session.AdvertisedReferencesContext(r.Context()) + if errors.Is(err, transport.ErrRepositoryNotFound) { + http.Error(w, err.Error(), 404) + return + } else if err != nil { + http.Error(w, err.Error(), 500) + return + } + + ar.Prefix = [][]byte{ + []byte("# service=git-upload-pack"), + pktline.Flush, + } + + if err = ar.Encode(w); err != nil { + http.Error(w, err.Error(), 500) + log.Printf("git: %s", err) + return + } +} + +func (d *deps) UploadPack(w http.ResponseWriter, r *http.Request) { + name := flow.Param(r.Context(), "name") + name = filepath.Clean(name) + + repo := filepath.Join(d.c.Repo.ScanPath, name) + + w.Header().Set("content-type", "application/x-git-upload-pack-result") + + upr := packp.NewUploadPackRequest() + err := upr.Decode(r.Body) + if err != nil { + http.Error(w, err.Error(), 400) + log.Printf("git: %s", err) + return + } + + ep, err := transport.NewEndpoint("/") + if err != nil { + http.Error(w, err.Error(), 500) + log.Printf("git: %s", err) + return + } + + billyfs := osfs.New(repo) + loader := server.NewFilesystemLoader(billyfs) + svr := server.NewServer(loader) + session, err := svr.NewUploadPackSession(ep, nil) + if err != nil { + http.Error(w, err.Error(), 500) + log.Printf("git: %s", err) + return + } + + res, err := session.UploadPack(r.Context(), upr) + if err != nil { + http.Error(w, err.Error(), 500) + log.Printf("git: %s", err) + return + } + + if err = res.Encode(w); err != nil { + http.Error(w, err.Error(), 500) + log.Printf("git: %s", err) + return + } +}
M routes/handler.go → routes/handler.go
@@ -1,26 +1,16 @@ package routes import ( - "log" "net/http" - "path/filepath" "git.icyphox.sh/legit/config" "github.com/alexedwards/flow" - "github.com/sosedoff/gitkit" ) -type depsWrapper struct { - actualDeps deps - gitsvc *gitkit.Server -} - // Checks for gitprotocol-http(5) specific smells; if found, passes // the request on to the git http service, else render the web frontend. -func (dw *depsWrapper) Multiplex(w http.ResponseWriter, r *http.Request) { +func (d *deps) Multiplex(w http.ResponseWriter, r *http.Request) { path := flow.Param(r.Context(), "...") - name := flow.Param(r.Context(), "name") - name = filepath.Clean(name) if r.URL.RawQuery == "service=git-receive-pack" { w.WriteHeader(http.StatusBadRequest)@@ -28,12 +18,14 @@ w.Write([]byte("no pushing allowed!")) return } - if path == "info/refs" && r.URL.RawQuery == "service=git-upload-pack" && r.Method == "GET" { - dw.gitsvc.ServeHTTP(w, r) + if path == "info/refs" && + r.URL.RawQuery == "service=git-upload-pack" && + r.Method == "GET" { + d.InfoRefs(w, r) } else if path == "git-upload-pack" && r.Method == "POST" { - dw.gitsvc.ServeHTTP(w, r) + d.UploadPack(w, r) } else if r.Method == "GET" { - dw.actualDeps.RepoIndex(w, r) + d.RepoIndex(w, r) } }@@ -41,29 +33,19 @@ func Handlers(c *config.Config) *flow.Mux { mux := flow.New() d := deps{c} - gitsvc := gitkit.New(gitkit.Config{ - Dir: c.Repo.ScanPath, - AutoCreate: false, - }) - if err := gitsvc.Setup(); err != nil { - log.Fatalf("git server: %s", err) - } - - dw := depsWrapper{actualDeps: d, gitsvc: gitsvc} - mux.NotFound = http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) { d.Write404(w) }) mux.HandleFunc("/", d.Index, "GET") mux.HandleFunc("/static/:file", d.ServeStatic, "GET") - mux.HandleFunc("/:name", dw.Multiplex, "GET", "POST") + mux.HandleFunc("/:name", d.Multiplex, "GET", "POST") mux.HandleFunc("/:name/tree/:ref/...", d.RepoTree, "GET") mux.HandleFunc("/:name/blob/:ref/...", d.FileContent, "GET") mux.HandleFunc("/:name/log/:ref", d.Log, "GET") mux.HandleFunc("/:name/commit/:ref", d.Diff, "GET") mux.HandleFunc("/:name/refs", d.Refs, "GET") - mux.HandleFunc("/:name/...", dw.Multiplex, "GET", "POST") + mux.HandleFunc("/:name/...", d.Multiplex, "GET", "POST") return mux }