repo/http: clean code
This commit is contained in:
Unknwon
parent
fb970b9d87
commit
c041273dd3
@ -3,7 +3,7 @@ Gogs - Go Git Service [
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##### Current version: 0.9.29
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##### Current version: 0.9.30
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| Web | UI | Preview |
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|:-------------:|:-------:|:-------:|
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2
gogs.go
2
gogs.go
@ -17,7 +17,7 @@ import (
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"github.com/gogits/gogs/modules/setting"
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)
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const APP_VER = "0.9.29.0530"
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const APP_VER = "0.9.30.0601"
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func init() {
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runtime.GOMAXPROCS(runtime.NumCPU())
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@ -14,7 +14,6 @@ import (
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"os"
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"os/exec"
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"path"
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"path/filepath"
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"regexp"
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"runtime"
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"strconv"
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@ -28,12 +27,6 @@ import (
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"github.com/gogits/gogs/modules/setting"
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)
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func authRequired(ctx *context.Context) {
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ctx.Resp.Header().Set("WWW-Authenticate", "Basic realm=\".\"")
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ctx.Data["ErrorMsg"] = "no basic auth and digit auth"
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ctx.Error(401)
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}
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func HTTP(ctx *context.Context) {
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username := ctx.Params(":username")
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reponame := strings.TrimSuffix(ctx.Params(":reponame"), ".git")
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@ -59,9 +52,9 @@ func HTTP(ctx *context.Context) {
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repoUser, err := models.GetUserByName(username)
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if err != nil {
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if models.IsErrUserNotExist(err) {
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ctx.Handle(404, "GetUserByName", nil)
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ctx.Handle(http.StatusNotFound, "GetUserByName", nil)
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} else {
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ctx.Handle(500, "GetUserByName", err)
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ctx.Handle(http.StatusInternalServerError, "GetUserByName", err)
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}
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return
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}
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@ -69,9 +62,9 @@ func HTTP(ctx *context.Context) {
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repo, err := models.GetRepositoryByName(repoUser.Id, reponame)
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if err != nil {
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if models.IsErrRepoNotExist(err) {
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ctx.Handle(404, "GetRepositoryByName", nil)
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ctx.Handle(http.StatusNotFound, "GetRepositoryByName", nil)
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} else {
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ctx.Handle(500, "GetRepositoryByName", err)
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ctx.Handle(http.StatusInternalServerError, "GetRepositoryByName", err)
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}
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return
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}
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@ -89,7 +82,8 @@ func HTTP(ctx *context.Context) {
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if askAuth {
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authHead := ctx.Req.Header.Get("Authorization")
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if len(authHead) == 0 {
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authRequired(ctx)
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ctx.Resp.Header().Set("WWW-Authenticate", "Basic realm=\".\"")
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ctx.Error(http.StatusUnauthorized)
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return
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}
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@ -99,19 +93,19 @@ func HTTP(ctx *context.Context) {
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// FIXME: middlewares/context.go did basic auth check already,
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// maybe could use that one.
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if len(auths) != 2 || auths[0] != "Basic" {
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ctx.HandleText(401, "no basic auth and digit auth")
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ctx.HandleText(http.StatusUnauthorized, "no basic auth and digit auth")
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return
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}
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authUsername, authPasswd, err = base.BasicAuthDecode(auths[1])
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if err != nil {
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ctx.HandleText(401, "no basic auth and digit auth")
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ctx.HandleText(http.StatusUnauthorized, "no basic auth and digit auth")
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return
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}
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authUser, err = models.UserSignIn(authUsername, authPasswd)
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if err != nil {
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if !models.IsErrUserNotExist(err) {
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ctx.Handle(500, "UserSignIn error: %v", err)
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ctx.Handle(http.StatusInternalServerError, "UserSignIn error: %v", err)
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return
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}
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@ -119,19 +113,19 @@ func HTTP(ctx *context.Context) {
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token, err := models.GetAccessTokenBySHA(authUsername)
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if err != nil {
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if models.IsErrAccessTokenNotExist(err) {
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ctx.HandleText(401, "invalid token")
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ctx.HandleText(http.StatusUnauthorized, "invalid token")
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} else {
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ctx.Handle(500, "GetAccessTokenBySha", err)
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ctx.Handle(http.StatusInternalServerError, "GetAccessTokenBySha", err)
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}
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return
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}
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token.Updated = time.Now()
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if err = models.UpdateAccessToken(token); err != nil {
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ctx.Handle(500, "UpdateAccessToken", err)
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ctx.Handle(http.StatusInternalServerError, "UpdateAccessToken", err)
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}
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authUser, err = models.GetUserByID(token.UID)
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if err != nil {
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ctx.Handle(500, "GetUserByID", err)
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ctx.Handle(http.StatusInternalServerError, "GetUserByID", err)
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return
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}
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}
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@ -144,26 +138,26 @@ func HTTP(ctx *context.Context) {
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has, err := models.HasAccess(authUser, repo, tp)
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if err != nil {
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ctx.Handle(500, "HasAccess", err)
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ctx.Handle(http.StatusInternalServerError, "HasAccess", err)
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return
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} else if !has {
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if tp == models.ACCESS_MODE_READ {
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has, err = models.HasAccess(authUser, repo, models.ACCESS_MODE_WRITE)
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if err != nil {
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ctx.Handle(500, "HasAccess2", err)
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ctx.Handle(http.StatusInternalServerError, "HasAccess2", err)
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return
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} else if !has {
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ctx.HandleText(403, "User permission denied")
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ctx.HandleText(http.StatusForbidden, "User permission denied")
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return
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}
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} else {
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ctx.HandleText(403, "User permission denied")
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ctx.HandleText(http.StatusForbidden, "User permission denied")
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return
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}
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}
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if !isPull && repo.IsMirror {
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ctx.HandleText(403, "mirror repository is read-only")
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ctx.HandleText(http.StatusForbidden, "mirror repository is read-only")
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return
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}
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}
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@ -194,6 +188,7 @@ func HTTP(ctx *context.Context) {
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if idx > -1 {
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line = line[:idx]
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}
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fields := strings.Fields(string(line))
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if len(fields) >= 3 {
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oldCommitId := fields[0][4:]
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@ -222,37 +217,62 @@ func HTTP(ctx *context.Context) {
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}
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}
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HTTPBackend(ctx, &Config{
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RepoRootPath: setting.RepoRootPath,
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GitBinPath: "git",
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UploadPack: true,
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ReceivePack: true,
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OnSucceed: callback,
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HTTPBackend(ctx, &serviceConfig{
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UploadPack: true,
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ReceivePack: true,
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OnSucceed: callback,
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})(ctx.Resp, ctx.Req.Request)
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runtime.GC()
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}
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type Config struct {
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RepoRootPath string
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GitBinPath string
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UploadPack bool
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ReceivePack bool
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OnSucceed func(rpc string, input []byte)
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type serviceConfig struct {
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UploadPack bool
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ReceivePack bool
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OnSucceed func(rpc string, input []byte)
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}
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type handler struct {
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*Config
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type serviceHandler struct {
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cfg *serviceConfig
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w http.ResponseWriter
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r *http.Request
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Dir string
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File string
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dir string
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file string
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}
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func (h *serviceHandler) setHeaderNoCache() {
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h.w.Header().Set("Expires", "Fri, 01 Jan 1980 00:00:00 GMT")
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h.w.Header().Set("Pragma", "no-cache")
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h.w.Header().Set("Cache-Control", "no-cache, max-age=0, must-revalidate")
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}
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func (h *serviceHandler) setHeaderCacheForever() {
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now := time.Now().Unix()
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expires := now + 31536000
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h.w.Header().Set("Date", fmt.Sprintf("%d", now))
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h.w.Header().Set("Expires", fmt.Sprintf("%d", expires))
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h.w.Header().Set("Cache-Control", "public, max-age=31536000")
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}
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func (h *serviceHandler) sendFile(contentType string) {
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reqFile := path.Join(h.dir, h.file)
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fi, err := os.Stat(reqFile)
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if os.IsNotExist(err) {
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h.w.WriteHeader(http.StatusNotFound)
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return
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}
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h.w.Header().Set("Content-Type", contentType)
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h.w.Header().Set("Content-Length", fmt.Sprintf("%d", fi.Size()))
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h.w.Header().Set("Last-Modified", fi.ModTime().Format(http.TimeFormat))
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http.ServeFile(h.w, h.r, reqFile)
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}
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type route struct {
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cr *regexp.Regexp
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reg *regexp.Regexp
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method string
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handler func(handler)
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handler func(serviceHandler)
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}
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var routes = []route{
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@ -269,304 +289,220 @@ 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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func getGitDir(config *Config, fPath string) (string, error) {
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root := config.RepoRootPath
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if len(root) == 0 {
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cwd, err := os.Getwd()
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if err != nil {
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log.GitLogger.Error(4, err.Error())
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return "", err
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}
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root = cwd
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}
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if !strings.HasSuffix(fPath, ".git") {
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fPath = fPath + ".git"
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}
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f := filepath.Join(root, fPath)
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if _, err := os.Stat(f); os.IsNotExist(err) {
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return "", err
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}
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return f, nil
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}
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// Request handling function
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func HTTPBackend(ctx *context.Context, config *Config) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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for _, route := range routes {
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r.URL.Path = strings.ToLower(r.URL.Path) // blue: In case some repo name has upper case name
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if m := route.cr.FindStringSubmatch(r.URL.Path); m != nil {
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if route.method != r.Method {
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renderMethodNotAllowed(w, r)
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return
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}
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file := strings.Replace(r.URL.Path, m[1]+"/", "", 1)
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dir, err := getGitDir(config, m[1])
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if err != nil {
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log.GitLogger.Error(4, err.Error())
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ctx.Handle(404, "HTTPBackend", err)
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return
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}
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route.handler(handler{config, w, r, dir, file})
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return
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}
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}
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ctx.Handle(404, "HTTPBackend", nil)
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return
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}
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}
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// Actual command handling functions
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func serviceUploadPack(hr handler) {
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serviceRpc("upload-pack", hr)
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}
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func serviceReceivePack(hr handler) {
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serviceRpc("receive-pack", hr)
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}
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func serviceRpc(rpc string, hr handler) {
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w, r, dir := hr.w, hr.r, hr.Dir
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defer r.Body.Close()
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if !hasAccess(r, hr.Config, dir, rpc, true) {
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renderNoAccess(w)
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return
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}
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w.Header().Set("Content-Type", fmt.Sprintf("application/x-git-%s-result", rpc))
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var (
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reqBody = r.Body
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input []byte
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br io.Reader
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err error
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)
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// Handle GZIP.
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if r.Header.Get("Content-Encoding") == "gzip" {
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reqBody, err = gzip.NewReader(reqBody)
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if err != nil {
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log.GitLogger.Error(2, "fail to create gzip reader: %v", err)
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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}
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if hr.Config.OnSucceed != nil {
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input, err = ioutil.ReadAll(reqBody)
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if err != nil {
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log.GitLogger.Error(2, "fail to read request body: %v", err)
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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br = bytes.NewReader(input)
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} else {
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br = reqBody
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}
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args := []string{rpc, "--stateless-rpc", dir}
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cmd := exec.Command(hr.Config.GitBinPath, args...)
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// FIXME: use process module
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func gitCommand(dir string, args ...string) []byte {
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cmd := exec.Command("git", args...)
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cmd.Dir = dir
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cmd.Stdout = w
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cmd.Stdin = br
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if err := cmd.Run(); err != nil {
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log.GitLogger.Error(2, "fail to serve RPC(%s): %v", rpc, err)
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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if hr.Config.OnSucceed != nil {
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hr.Config.OnSucceed(rpc, input)
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out, err := cmd.Output()
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if err != nil {
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log.GitLogger.Error(4, fmt.Sprintf("%v - %s", err, out))
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}
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return out
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}
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func getInfoRefs(hr handler) {
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w, r, dir := hr.w, hr.r, hr.Dir
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serviceName := getServiceType(r)
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access := hasAccess(r, hr.Config, dir, serviceName, false)
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if access {
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args := []string{serviceName, "--stateless-rpc", "--advertise-refs", "."}
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refs := gitCommand(hr.Config.GitBinPath, dir, args...)
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hdrNocache(w)
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w.Header().Set("Content-Type", fmt.Sprintf("application/x-git-%s-advertisement", serviceName))
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w.WriteHeader(http.StatusOK)
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w.Write(packetWrite("# service=git-" + serviceName + "\n"))
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w.Write(packetFlush())
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w.Write(refs)
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} else {
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updateServerInfo(hr.Config.GitBinPath, dir)
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hdrNocache(w)
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sendFile("text/plain; charset=utf-8", hr)
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}
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func getGitConfig(option, dir string) string {
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out := string(gitCommand(dir, "config", option))
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return out[0 : len(out)-1]
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}
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func getInfoPacks(hr handler) {
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hdrCacheForever(hr.w)
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sendFile("text/plain; charset=utf-8", hr)
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}
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func getConfigSetting(service, dir string) bool {
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service = strings.Replace(service, "-", "", -1)
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setting := getGitConfig("http."+service, dir)
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func getLooseObject(hr handler) {
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hdrCacheForever(hr.w)
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sendFile("application/x-git-loose-object", hr)
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}
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func getPackFile(hr handler) {
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hdrCacheForever(hr.w)
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sendFile("application/x-git-packed-objects", hr)
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}
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func getIdxFile(hr handler) {
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hdrCacheForever(hr.w)
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sendFile("application/x-git-packed-objects-toc", hr)
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}
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func getTextFile(hr handler) {
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hdrNocache(hr.w)
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sendFile("text/plain", hr)
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}
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// Logic helping functions
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func sendFile(contentType string, hr handler) {
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w, r := hr.w, hr.r
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reqFile := path.Join(hr.Dir, hr.File)
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f, err := os.Stat(reqFile)
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if os.IsNotExist(err) {
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renderNotFound(w)
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return
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}
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w.Header().Set("Content-Type", contentType)
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w.Header().Set("Content-Length", fmt.Sprintf("%d", f.Size()))
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w.Header().Set("Last-Modified", f.ModTime().Format(http.TimeFormat))
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http.ServeFile(w, r, reqFile)
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}
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func getServiceType(r *http.Request) string {
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serviceType := r.FormValue("service")
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if s := strings.HasPrefix(serviceType, "git-"); !s {
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return ""
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}
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return strings.Replace(serviceType, "git-", "", 1)
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}
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func hasAccess(r *http.Request, config *Config, dir string, rpc string, checkContentType bool) bool {
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if checkContentType {
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if r.Header.Get("Content-Type") != fmt.Sprintf("application/x-git-%s-request", rpc) {
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return false
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}
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}
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if !(rpc == "upload-pack" || rpc == "receive-pack") {
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return false
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}
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if rpc == "receive-pack" {
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return config.ReceivePack
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}
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if rpc == "upload-pack" {
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return config.UploadPack
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}
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return getConfigSetting(config.GitBinPath, rpc, dir)
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}
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func getConfigSetting(gitBinPath, serviceName string, dir string) bool {
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serviceName = strings.Replace(serviceName, "-", "", -1)
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setting := getGitConfig(gitBinPath, "http."+serviceName, dir)
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if serviceName == "uploadpack" {
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if service == "uploadpack" {
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return setting != "false"
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}
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return setting == "true"
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}
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func getGitConfig(gitBinPath, configName string, dir string) string {
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args := []string{"config", configName}
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out := string(gitCommand(gitBinPath, dir, args...))
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return out[0 : len(out)-1]
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}
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|
||||
func updateServerInfo(gitBinPath, dir string) []byte {
|
||||
args := []string{"update-server-info"}
|
||||
return gitCommand(gitBinPath, dir, args...)
|
||||
}
|
||||
|
||||
// FIXME: use process module
|
||||
func gitCommand(gitBinPath, dir string, args ...string) []byte {
|
||||
command := exec.Command(gitBinPath, args...)
|
||||
command.Dir = dir
|
||||
out, err := command.Output()
|
||||
|
||||
if err != nil {
|
||||
log.GitLogger.Error(4, fmt.Sprintf("%v - %s", err, out))
|
||||
func hasAccess(service string, h serviceHandler, checkContentType bool) bool {
|
||||
if checkContentType {
|
||||
if h.r.Header.Get("Content-Type") != fmt.Sprintf("application/x-git-%s-request", service) {
|
||||
return false
|
||||
}
|
||||
}
|
||||
|
||||
return out
|
||||
if !(service == "upload-pack" || service == "receive-pack") {
|
||||
return false
|
||||
}
|
||||
if service == "receive-pack" {
|
||||
return h.cfg.ReceivePack
|
||||
}
|
||||
if service == "upload-pack" {
|
||||
return h.cfg.UploadPack
|
||||
}
|
||||
|
||||
return getConfigSetting(service, h.dir)
|
||||
}
|
||||
|
||||
// HTTP error response handling functions
|
||||
func serviceRPC(h serviceHandler, service string) {
|
||||
defer h.r.Body.Close()
|
||||
|
||||
func renderMethodNotAllowed(w http.ResponseWriter, r *http.Request) {
|
||||
if r.Proto == "HTTP/1.1" {
|
||||
w.WriteHeader(http.StatusMethodNotAllowed)
|
||||
w.Write([]byte("Method Not Allowed"))
|
||||
if !hasAccess(service, h, true) {
|
||||
h.w.WriteHeader(http.StatusUnauthorized)
|
||||
return
|
||||
}
|
||||
h.w.Header().Set("Content-Type", fmt.Sprintf("application/x-git-%s-result", service))
|
||||
|
||||
var (
|
||||
reqBody = h.r.Body
|
||||
input []byte
|
||||
br io.Reader
|
||||
err error
|
||||
)
|
||||
|
||||
// Handle GZIP.
|
||||
if h.r.Header.Get("Content-Encoding") == "gzip" {
|
||||
reqBody, err = gzip.NewReader(reqBody)
|
||||
if err != nil {
|
||||
log.GitLogger.Error(2, "fail to create gzip reader: %v", err)
|
||||
h.w.WriteHeader(http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
if h.cfg.OnSucceed != nil {
|
||||
input, err = ioutil.ReadAll(reqBody)
|
||||
if err != nil {
|
||||
log.GitLogger.Error(2, "fail to read request body: %v", err)
|
||||
h.w.WriteHeader(http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
|
||||
br = bytes.NewReader(input)
|
||||
} else {
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
w.Write([]byte("Bad Request"))
|
||||
br = reqBody
|
||||
}
|
||||
|
||||
cmd := exec.Command("git", service, "--stateless-rpc", h.dir)
|
||||
cmd.Dir = h.dir
|
||||
cmd.Stdout = h.w
|
||||
cmd.Stdin = br
|
||||
if err := cmd.Run(); err != nil {
|
||||
log.GitLogger.Error(2, "fail to serve RPC(%s): %v", service, err)
|
||||
h.w.WriteHeader(http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
|
||||
if h.cfg.OnSucceed != nil {
|
||||
h.cfg.OnSucceed(service, input)
|
||||
}
|
||||
}
|
||||
|
||||
func renderNotFound(w http.ResponseWriter) {
|
||||
w.WriteHeader(http.StatusNotFound)
|
||||
w.Write([]byte("Not Found"))
|
||||
func serviceUploadPack(h serviceHandler) {
|
||||
serviceRPC(h, "upload-pack")
|
||||
}
|
||||
|
||||
func renderNoAccess(w http.ResponseWriter) {
|
||||
w.WriteHeader(http.StatusForbidden)
|
||||
w.Write([]byte("Forbidden"))
|
||||
func serviceReceivePack(h serviceHandler) {
|
||||
serviceRPC(h, "receive-pack")
|
||||
}
|
||||
|
||||
// Packet-line handling function
|
||||
func getServiceType(r *http.Request) string {
|
||||
serviceType := r.FormValue("service")
|
||||
if !strings.HasPrefix(serviceType, "git-") {
|
||||
return ""
|
||||
}
|
||||
return strings.Replace(serviceType, "git-", "", 1)
|
||||
}
|
||||
|
||||
func packetFlush() []byte {
|
||||
return []byte("0000")
|
||||
func updateServerInfo(dir string) []byte {
|
||||
return gitCommand(dir, "update-server-info")
|
||||
}
|
||||
|
||||
func packetWrite(str string) []byte {
|
||||
s := strconv.FormatInt(int64(len(str)+4), 16)
|
||||
|
||||
if len(s)%4 != 0 {
|
||||
s = strings.Repeat("0", 4-len(s)%4) + s
|
||||
}
|
||||
|
||||
return []byte(s + str)
|
||||
}
|
||||
|
||||
// Header writing functions
|
||||
func getInfoRefs(h serviceHandler) {
|
||||
h.setHeaderNoCache()
|
||||
if hasAccess(getServiceType(h.r), h, false) {
|
||||
service := getServiceType(h.r)
|
||||
refs := gitCommand(h.dir, service, "--stateless-rpc", "--advertise-refs", ".")
|
||||
|
||||
func hdrNocache(w http.ResponseWriter) {
|
||||
w.Header().Set("Expires", "Fri, 01 Jan 1980 00:00:00 GMT")
|
||||
w.Header().Set("Pragma", "no-cache")
|
||||
w.Header().Set("Cache-Control", "no-cache, max-age=0, must-revalidate")
|
||||
h.w.Header().Set("Content-Type", fmt.Sprintf("application/x-git-%s-advertisement", service))
|
||||
h.w.WriteHeader(http.StatusOK)
|
||||
h.w.Write(packetWrite("# service=git-" + service + "\n"))
|
||||
h.w.Write([]byte("0000"))
|
||||
h.w.Write(refs)
|
||||
} else {
|
||||
updateServerInfo(h.dir)
|
||||
h.sendFile("text/plain; charset=utf-8")
|
||||
}
|
||||
}
|
||||
|
||||
func hdrCacheForever(w http.ResponseWriter) {
|
||||
now := time.Now().Unix()
|
||||
expires := now + 31536000
|
||||
w.Header().Set("Date", fmt.Sprintf("%d", now))
|
||||
w.Header().Set("Expires", fmt.Sprintf("%d", expires))
|
||||
w.Header().Set("Cache-Control", "public, max-age=31536000")
|
||||
func getTextFile(h serviceHandler) {
|
||||
h.setHeaderNoCache()
|
||||
h.sendFile("text/plain")
|
||||
}
|
||||
|
||||
func getInfoPacks(h serviceHandler) {
|
||||
h.setHeaderCacheForever()
|
||||
h.sendFile("text/plain; charset=utf-8")
|
||||
}
|
||||
|
||||
func getLooseObject(h serviceHandler) {
|
||||
h.setHeaderCacheForever()
|
||||
h.sendFile("application/x-git-loose-object")
|
||||
}
|
||||
|
||||
func getPackFile(h serviceHandler) {
|
||||
h.setHeaderCacheForever()
|
||||
h.sendFile("application/x-git-packed-objects")
|
||||
}
|
||||
|
||||
func getIdxFile(h serviceHandler) {
|
||||
h.setHeaderCacheForever()
|
||||
h.sendFile("application/x-git-packed-objects-toc")
|
||||
}
|
||||
|
||||
func getGitRepoPath(subdir string) (string, error) {
|
||||
if !strings.HasSuffix(subdir, ".git") {
|
||||
subdir += ".git"
|
||||
}
|
||||
|
||||
fpath := path.Join(setting.RepoRootPath, subdir)
|
||||
if _, err := os.Stat(fpath); os.IsNotExist(err) {
|
||||
return "", err
|
||||
}
|
||||
|
||||
return fpath, nil
|
||||
}
|
||||
|
||||
func HTTPBackend(ctx *context.Context, cfg *serviceConfig) http.HandlerFunc {
|
||||
return func(w http.ResponseWriter, r *http.Request) {
|
||||
for _, route := range routes {
|
||||
r.URL.Path = strings.ToLower(r.URL.Path) // blue: In case some repo name has upper case name
|
||||
if m := route.reg.FindStringSubmatch(r.URL.Path); m != nil {
|
||||
if route.method != r.Method {
|
||||
if r.Proto == "HTTP/1.1" {
|
||||
w.WriteHeader(http.StatusMethodNotAllowed)
|
||||
w.Write([]byte("Method Not Allowed"))
|
||||
} else {
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
w.Write([]byte("Bad Request"))
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
file := strings.Replace(r.URL.Path, m[1]+"/", "", 1)
|
||||
dir, err := getGitRepoPath(m[1])
|
||||
if err != nil {
|
||||
log.GitLogger.Error(4, err.Error())
|
||||
ctx.Handle(http.StatusNotFound, "HTTPBackend", err)
|
||||
return
|
||||
}
|
||||
|
||||
route.handler(serviceHandler{cfg, w, r, dir, file})
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
ctx.Handle(http.StatusNotFound, "HTTPBackend", nil)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
@ -1 +1 @@
|
||||
0.9.29.0530
|
||||
0.9.30.0601
|
||||
Loading…
Reference in New Issue
Block a user