mirror of
https://github.com/go-gitea/gitea
synced 2024-11-28 12:52:47 +01:00
Some refactor for git http (#28995)
# Purpose This PR makes git http related functions use the same `context.Context` so they can be maintained easier.
This commit is contained in:
Lunny Xiao
GitHub
parent
adc3598a75
commit
3b50dd95ce
1 changed files with 85 additions and 100 deletions
|
|
@ -11,7 +11,7 @@ import (
|
|||
"fmt"
|
||||
"net/http"
|
||||
"os"
|
||||
"path"
|
||||
"path/filepath"
|
||||
"regexp"
|
||||
"strconv"
|
||||
"strings"
|
||||
|
|
@ -90,11 +90,10 @@ func httpBase(ctx *context.Context) *serviceHandler {
|
|||
|
||||
isWiki := false
|
||||
unitType := unit.TypeCode
|
||||
var wikiRepoName string
|
||||
|
||||
if strings.HasSuffix(reponame, ".wiki") {
|
||||
isWiki = true
|
||||
unitType = unit.TypeWiki
|
||||
wikiRepoName = reponame
|
||||
reponame = reponame[:len(reponame)-5]
|
||||
}
|
||||
|
||||
|
|
@ -107,16 +106,16 @@ func httpBase(ctx *context.Context) *serviceHandler {
|
|||
repoExist := true
|
||||
repo, err := repo_model.GetRepositoryByName(ctx, owner.ID, reponame)
|
||||
if err != nil {
|
||||
if repo_model.IsErrRepoNotExist(err) {
|
||||
if redirectRepoID, err := repo_model.LookupRedirect(ctx, owner.ID, reponame); err == nil {
|
||||
context.RedirectToRepo(ctx.Base, redirectRepoID)
|
||||
return nil
|
||||
}
|
||||
repoExist = false
|
||||
} else {
|
||||
if !repo_model.IsErrRepoNotExist(err) {
|
||||
ctx.ServerError("GetRepositoryByName", err)
|
||||
return nil
|
||||
}
|
||||
|
||||
if redirectRepoID, err := repo_model.LookupRedirect(ctx, owner.ID, reponame); err == nil {
|
||||
context.RedirectToRepo(ctx.Base, redirectRepoID)
|
||||
return nil
|
||||
}
|
||||
repoExist = false
|
||||
}
|
||||
|
||||
// Don't allow pushing if the repo is archived
|
||||
|
|
@ -292,22 +291,9 @@ func httpBase(ctx *context.Context) *serviceHandler {
|
|||
|
||||
environ = append(environ, repo_module.EnvRepoID+fmt.Sprintf("=%d", repo.ID))
|
||||
|
||||
w := ctx.Resp
|
||||
r := ctx.Req
|
||||
cfg := &serviceConfig{
|
||||
UploadPack: true,
|
||||
ReceivePack: true,
|
||||
Env: environ,
|
||||
}
|
||||
ctx.Req.URL.Path = strings.ToLower(ctx.Req.URL.Path) // blue: In case some repo name has upper case name
|
||||
|
||||
r.URL.Path = strings.ToLower(r.URL.Path) // blue: In case some repo name has upper case name
|
||||
|
||||
dir := repo_model.RepoPath(username, reponame)
|
||||
if isWiki {
|
||||
dir = repo_model.RepoPath(username, wikiRepoName)
|
||||
}
|
||||
|
||||
return &serviceHandler{cfg, w, r, dir, cfg.Env}
|
||||
return &serviceHandler{repo, isWiki, environ}
|
||||
}
|
||||
|
||||
var (
|
||||
|
|
@ -352,32 +338,31 @@ func dummyInfoRefs(ctx *context.Context) {
|
|||
_, _ = ctx.Write(infoRefsCache)
|
||||
}
|
||||
|
||||
type serviceConfig struct {
|
||||
UploadPack bool
|
||||
ReceivePack bool
|
||||
Env []string
|
||||
}
|
||||
|
||||
type serviceHandler struct {
|
||||
cfg *serviceConfig
|
||||
w http.ResponseWriter
|
||||
r *http.Request
|
||||
dir string
|
||||
repo *repo_model.Repository
|
||||
isWiki bool
|
||||
environ []string
|
||||
}
|
||||
|
||||
func (h *serviceHandler) setHeaderNoCache() {
|
||||
h.w.Header().Set("Expires", "Fri, 01 Jan 1980 00:00:00 GMT")
|
||||
h.w.Header().Set("Pragma", "no-cache")
|
||||
h.w.Header().Set("Cache-Control", "no-cache, max-age=0, must-revalidate")
|
||||
func (h *serviceHandler) getRepoDir() string {
|
||||
if h.isWiki {
|
||||
return h.repo.WikiPath()
|
||||
}
|
||||
return h.repo.RepoPath()
|
||||
}
|
||||
|
||||
func (h *serviceHandler) setHeaderCacheForever() {
|
||||
func setHeaderNoCache(ctx *context.Context) {
|
||||
ctx.Resp.Header().Set("Expires", "Fri, 01 Jan 1980 00:00:00 GMT")
|
||||
ctx.Resp.Header().Set("Pragma", "no-cache")
|
||||
ctx.Resp.Header().Set("Cache-Control", "no-cache, max-age=0, must-revalidate")
|
||||
}
|
||||
|
||||
func setHeaderCacheForever(ctx *context.Context) {
|
||||
now := time.Now().Unix()
|
||||
expires := now + 31536000
|
||||
h.w.Header().Set("Date", fmt.Sprintf("%d", now))
|
||||
h.w.Header().Set("Expires", fmt.Sprintf("%d", expires))
|
||||
h.w.Header().Set("Cache-Control", "public, max-age=31536000")
|
||||
ctx.Resp.Header().Set("Date", fmt.Sprintf("%d", now))
|
||||
ctx.Resp.Header().Set("Expires", fmt.Sprintf("%d", expires))
|
||||
ctx.Resp.Header().Set("Cache-Control", "public, max-age=31536000")
|
||||
}
|
||||
|
||||
func containsParentDirectorySeparator(v string) bool {
|
||||
|
|
@ -394,71 +379,71 @@ func containsParentDirectorySeparator(v string) bool {
|
|||
|
||||
func isSlashRune(r rune) bool { return r == '/' || r == '\\' }
|
||||
|
||||
func (h *serviceHandler) sendFile(contentType, file string) {
|
||||
func (h *serviceHandler) sendFile(ctx *context.Context, contentType, file string) {
|
||||
if containsParentDirectorySeparator(file) {
|
||||
log.Error("request file path contains invalid path: %v", file)
|
||||
h.w.WriteHeader(http.StatusBadRequest)
|
||||
ctx.Resp.WriteHeader(http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
reqFile := path.Join(h.dir, file)
|
||||
reqFile := filepath.Join(h.getRepoDir(), file)
|
||||
|
||||
fi, err := os.Stat(reqFile)
|
||||
if os.IsNotExist(err) {
|
||||
h.w.WriteHeader(http.StatusNotFound)
|
||||
ctx.Resp.WriteHeader(http.StatusNotFound)
|
||||
return
|
||||
}
|
||||
|
||||
h.w.Header().Set("Content-Type", contentType)
|
||||
h.w.Header().Set("Content-Length", fmt.Sprintf("%d", fi.Size()))
|
||||
h.w.Header().Set("Last-Modified", fi.ModTime().Format(http.TimeFormat))
|
||||
http.ServeFile(h.w, h.r, reqFile)
|
||||
ctx.Resp.Header().Set("Content-Type", contentType)
|
||||
ctx.Resp.Header().Set("Content-Length", fmt.Sprintf("%d", fi.Size()))
|
||||
ctx.Resp.Header().Set("Last-Modified", fi.ModTime().Format(http.TimeFormat))
|
||||
http.ServeFile(ctx.Resp, ctx.Req, reqFile)
|
||||
}
|
||||
|
||||
// one or more key=value pairs separated by colons
|
||||
var safeGitProtocolHeader = regexp.MustCompile(`^[0-9a-zA-Z]+=[0-9a-zA-Z]+(:[0-9a-zA-Z]+=[0-9a-zA-Z]+)*$`)
|
||||
|
||||
func prepareGitCmdWithAllowedService(service string, h *serviceHandler) (*git.Command, error) {
|
||||
if service == "receive-pack" && h.cfg.ReceivePack {
|
||||
return git.NewCommand(h.r.Context(), "receive-pack"), nil
|
||||
func prepareGitCmdWithAllowedService(ctx *context.Context, service string) (*git.Command, error) {
|
||||
if service == "receive-pack" {
|
||||
return git.NewCommand(ctx, "receive-pack"), nil
|
||||
}
|
||||
if service == "upload-pack" && h.cfg.UploadPack {
|
||||
return git.NewCommand(h.r.Context(), "upload-pack"), nil
|
||||
if service == "upload-pack" {
|
||||
return git.NewCommand(ctx, "upload-pack"), nil
|
||||
}
|
||||
|
||||
return nil, fmt.Errorf("service %q is not allowed", service)
|
||||
}
|
||||
|
||||
func serviceRPC(h *serviceHandler, service string) {
|
||||
func serviceRPC(ctx *context.Context, h *serviceHandler, service string) {
|
||||
defer func() {
|
||||
if err := h.r.Body.Close(); err != nil {
|
||||
if err := ctx.Req.Body.Close(); err != nil {
|
||||
log.Error("serviceRPC: Close: %v", err)
|
||||
}
|
||||
}()
|
||||
|
||||
expectedContentType := fmt.Sprintf("application/x-git-%s-request", service)
|
||||
if h.r.Header.Get("Content-Type") != expectedContentType {
|
||||
log.Error("Content-Type (%q) doesn't match expected: %q", h.r.Header.Get("Content-Type"), expectedContentType)
|
||||
h.w.WriteHeader(http.StatusUnauthorized)
|
||||
if ctx.Req.Header.Get("Content-Type") != expectedContentType {
|
||||
log.Error("Content-Type (%q) doesn't match expected: %q", ctx.Req.Header.Get("Content-Type"), expectedContentType)
|
||||
ctx.Resp.WriteHeader(http.StatusUnauthorized)
|
||||
return
|
||||
}
|
||||
|
||||
cmd, err := prepareGitCmdWithAllowedService(service, h)
|
||||
cmd, err := prepareGitCmdWithAllowedService(ctx, service)
|
||||
if err != nil {
|
||||
log.Error("Failed to prepareGitCmdWithService: %v", err)
|
||||
h.w.WriteHeader(http.StatusUnauthorized)
|
||||
ctx.Resp.WriteHeader(http.StatusUnauthorized)
|
||||
return
|
||||
}
|
||||
|
||||
h.w.Header().Set("Content-Type", fmt.Sprintf("application/x-git-%s-result", service))
|
||||
ctx.Resp.Header().Set("Content-Type", fmt.Sprintf("application/x-git-%s-result", service))
|
||||
|
||||
reqBody := h.r.Body
|
||||
reqBody := ctx.Req.Body
|
||||
|
||||
// Handle GZIP.
|
||||
if h.r.Header.Get("Content-Encoding") == "gzip" {
|
||||
if ctx.Req.Header.Get("Content-Encoding") == "gzip" {
|
||||
reqBody, err = gzip.NewReader(reqBody)
|
||||
if err != nil {
|
||||
log.Error("Fail to create gzip reader: %v", err)
|
||||
h.w.WriteHeader(http.StatusInternalServerError)
|
||||
ctx.Resp.WriteHeader(http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
|
@ -466,23 +451,23 @@ func serviceRPC(h *serviceHandler, service string) {
|
|||
// set this for allow pre-receive and post-receive execute
|
||||
h.environ = append(h.environ, "SSH_ORIGINAL_COMMAND="+service)
|
||||
|
||||
if protocol := h.r.Header.Get("Git-Protocol"); protocol != "" && safeGitProtocolHeader.MatchString(protocol) {
|
||||
if protocol := ctx.Req.Header.Get("Git-Protocol"); protocol != "" && safeGitProtocolHeader.MatchString(protocol) {
|
||||
h.environ = append(h.environ, "GIT_PROTOCOL="+protocol)
|
||||
}
|
||||
|
||||
var stderr bytes.Buffer
|
||||
cmd.AddArguments("--stateless-rpc").AddDynamicArguments(h.dir)
|
||||
cmd.SetDescription(fmt.Sprintf("%s %s %s [repo_path: %s]", git.GitExecutable, service, "--stateless-rpc", h.dir))
|
||||
cmd.AddArguments("--stateless-rpc").AddDynamicArguments(h.getRepoDir())
|
||||
cmd.SetDescription(fmt.Sprintf("%s %s %s [repo_path: %s]", git.GitExecutable, service, "--stateless-rpc", h.getRepoDir()))
|
||||
if err := cmd.Run(&git.RunOpts{
|
||||
Dir: h.dir,
|
||||
Dir: h.getRepoDir(),
|
||||
Env: append(os.Environ(), h.environ...),
|
||||
Stdout: h.w,
|
||||
Stdout: ctx.Resp,
|
||||
Stdin: reqBody,
|
||||
Stderr: &stderr,
|
||||
UseContextTimeout: true,
|
||||
}); err != nil {
|
||||
if err.Error() != "signal: killed" {
|
||||
log.Error("Fail to serve RPC(%s) in %s: %v - %s", service, h.dir, err, stderr.String())
|
||||
log.Error("Fail to serve RPC(%s) in %s: %v - %s", service, h.getRepoDir(), err, stderr.String())
|
||||
}
|
||||
return
|
||||
}
|
||||
|
|
@ -492,7 +477,7 @@ func serviceRPC(h *serviceHandler, service string) {
|
|||
func ServiceUploadPack(ctx *context.Context) {
|
||||
h := httpBase(ctx)
|
||||
if h != nil {
|
||||
serviceRPC(h, "upload-pack")
|
||||
serviceRPC(ctx, h, "upload-pack")
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -500,12 +485,12 @@ func ServiceUploadPack(ctx *context.Context) {
|
|||
func ServiceReceivePack(ctx *context.Context) {
|
||||
h := httpBase(ctx)
|
||||
if h != nil {
|
||||
serviceRPC(h, "receive-pack")
|
||||
serviceRPC(ctx, h, "receive-pack")
|
||||
}
|
||||
}
|
||||
|
||||
func getServiceType(r *http.Request) string {
|
||||
serviceType := r.FormValue("service")
|
||||
func getServiceType(ctx *context.Context) string {
|
||||
serviceType := ctx.Req.FormValue("service")
|
||||
if !strings.HasPrefix(serviceType, "git-") {
|
||||
return ""
|
||||
}
|
||||
|
|
@ -534,28 +519,28 @@ func GetInfoRefs(ctx *context.Context) {
|
|||
if h == nil {
|
||||
return
|
||||
}
|
||||
h.setHeaderNoCache()
|
||||
service := getServiceType(h.r)
|
||||
cmd, err := prepareGitCmdWithAllowedService(service, h)
|
||||
setHeaderNoCache(ctx)
|
||||
service := getServiceType(ctx)
|
||||
cmd, err := prepareGitCmdWithAllowedService(ctx, service)
|
||||
if err == nil {
|
||||
if protocol := h.r.Header.Get("Git-Protocol"); protocol != "" && safeGitProtocolHeader.MatchString(protocol) {
|
||||
if protocol := ctx.Req.Header.Get("Git-Protocol"); protocol != "" && safeGitProtocolHeader.MatchString(protocol) {
|
||||
h.environ = append(h.environ, "GIT_PROTOCOL="+protocol)
|
||||
}
|
||||
h.environ = append(os.Environ(), h.environ...)
|
||||
|
||||
refs, _, err := cmd.AddArguments("--stateless-rpc", "--advertise-refs", ".").RunStdBytes(&git.RunOpts{Env: h.environ, Dir: h.dir})
|
||||
refs, _, err := cmd.AddArguments("--stateless-rpc", "--advertise-refs", ".").RunStdBytes(&git.RunOpts{Env: h.environ, Dir: h.getRepoDir()})
|
||||
if err != nil {
|
||||
log.Error(fmt.Sprintf("%v - %s", err, string(refs)))
|
||||
}
|
||||
|
||||
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)
|
||||
ctx.Resp.Header().Set("Content-Type", fmt.Sprintf("application/x-git-%s-advertisement", service))
|
||||
ctx.Resp.WriteHeader(http.StatusOK)
|
||||
_, _ = ctx.Resp.Write(packetWrite("# service=git-" + service + "\n"))
|
||||
_, _ = ctx.Resp.Write([]byte("0000"))
|
||||
_, _ = ctx.Resp.Write(refs)
|
||||
} else {
|
||||
updateServerInfo(ctx, h.dir)
|
||||
h.sendFile("text/plain; charset=utf-8", "info/refs")
|
||||
updateServerInfo(ctx, h.getRepoDir())
|
||||
h.sendFile(ctx, "text/plain; charset=utf-8", "info/refs")
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -564,12 +549,12 @@ func GetTextFile(p string) func(*context.Context) {
|
|||
return func(ctx *context.Context) {
|
||||
h := httpBase(ctx)
|
||||
if h != nil {
|
||||
h.setHeaderNoCache()
|
||||
setHeaderNoCache(ctx)
|
||||
file := ctx.Params("file")
|
||||
if file != "" {
|
||||
h.sendFile("text/plain", "objects/info/"+file)
|
||||
h.sendFile(ctx, "text/plain", "objects/info/"+file)
|
||||
} else {
|
||||
h.sendFile("text/plain", p)
|
||||
h.sendFile(ctx, "text/plain", p)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -579,8 +564,8 @@ func GetTextFile(p string) func(*context.Context) {
|
|||
func GetInfoPacks(ctx *context.Context) {
|
||||
h := httpBase(ctx)
|
||||
if h != nil {
|
||||
h.setHeaderCacheForever()
|
||||
h.sendFile("text/plain; charset=utf-8", "objects/info/packs")
|
||||
setHeaderCacheForever(ctx)
|
||||
h.sendFile(ctx, "text/plain; charset=utf-8", "objects/info/packs")
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -588,8 +573,8 @@ func GetInfoPacks(ctx *context.Context) {
|
|||
func GetLooseObject(ctx *context.Context) {
|
||||
h := httpBase(ctx)
|
||||
if h != nil {
|
||||
h.setHeaderCacheForever()
|
||||
h.sendFile("application/x-git-loose-object", fmt.Sprintf("objects/%s/%s",
|
||||
setHeaderCacheForever(ctx)
|
||||
h.sendFile(ctx, "application/x-git-loose-object", fmt.Sprintf("objects/%s/%s",
|
||||
ctx.Params("head"), ctx.Params("hash")))
|
||||
}
|
||||
}
|
||||
|
|
@ -598,8 +583,8 @@ func GetLooseObject(ctx *context.Context) {
|
|||
func GetPackFile(ctx *context.Context) {
|
||||
h := httpBase(ctx)
|
||||
if h != nil {
|
||||
h.setHeaderCacheForever()
|
||||
h.sendFile("application/x-git-packed-objects", "objects/pack/pack-"+ctx.Params("file")+".pack")
|
||||
setHeaderCacheForever(ctx)
|
||||
h.sendFile(ctx, "application/x-git-packed-objects", "objects/pack/pack-"+ctx.Params("file")+".pack")
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -607,7 +592,7 @@ func GetPackFile(ctx *context.Context) {
|
|||
func GetIdxFile(ctx *context.Context) {
|
||||
h := httpBase(ctx)
|
||||
if h != nil {
|
||||
h.setHeaderCacheForever()
|
||||
h.sendFile("application/x-git-packed-objects-toc", "objects/pack/pack-"+ctx.Params("file")+".idx")
|
||||
setHeaderCacheForever(ctx)
|
||||
h.sendFile(ctx, "application/x-git-packed-objects-toc", "objects/pack/pack-"+ctx.Params("file")+".idx")
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue