--- /dev/null
- ReposRoot string
- GitBinPath string
- UploadPack bool
- ReceivePack bool
+package repo
+
+import (
+ "fmt"
+ "io"
+ "io/ioutil"
+ "log"
+ "net/http"
+ "os"
+ "os/exec"
+ "path"
+ "regexp"
+ "strconv"
+ "strings"
+ "time"
+
+ "github.com/go-martini/martini"
+ "github.com/gogits/gogs/models"
+ "github.com/gogits/gogs/modules/base"
+ "github.com/gogits/gogs/modules/middleware"
+)
+
+func Http(ctx *middleware.Context, params martini.Params) {
+ username := params["username"]
+ reponame := params["reponame"]
+ if strings.HasSuffix(reponame, ".git") {
+ reponame = reponame[:len(reponame)-4]
+ }
+
+ var isPull bool
+ service := ctx.Query("service")
+ if service == "git-receive-pack" ||
+ strings.HasSuffix(ctx.Req.URL.Path, "git-receive-pack") {
+ isPull = false
+ } else if service == "git-upload-pack" ||
+ strings.HasSuffix(ctx.Req.URL.Path, "git-upload-pack") {
+ isPull = true
+ } else {
+ isPull = (ctx.Req.Method == "GET")
+ }
+
+ repoUser, err := models.GetUserByName(username)
+ if err != nil {
+ ctx.Handle(500, "repo.GetUserByName", nil)
+ return
+ }
+
+ repo, err := models.GetRepositoryByName(repoUser.Id, reponame)
+ if err != nil {
+ ctx.Handle(500, "repo.GetRepositoryByName", nil)
+ return
+ }
+
+ // only public pull don't need auth
+ var askAuth = !(!repo.IsPrivate && isPull)
+
+ // check access
+ if askAuth {
+ baHead := ctx.Req.Header.Get("Authorization")
+ if baHead == "" {
+ // ask auth
+ authRequired(ctx)
+ return
+ }
+
+ auths := strings.Fields(baHead)
+ // currently check basic auth
+ // TODO: support digit auth
+ if len(auths) != 2 || auths[0] != "Basic" {
+ ctx.Handle(401, "no basic auth and digit auth", nil)
+ return
+ }
+ authUsername, passwd, err := basicDecode(auths[1])
+ if err != nil {
+ ctx.Handle(401, "no basic auth and digit auth", nil)
+ return
+ }
+
+ authUser, err := models.GetUserByName(authUsername)
+ if err != nil {
+ ctx.Handle(401, "no basic auth and digit auth", nil)
+ return
+ }
+
+ newUser := &models.User{Passwd: passwd}
+ newUser.EncodePasswd()
+ if authUser.Passwd != newUser.Passwd {
+ ctx.Handle(401, "no basic auth and digit auth", nil)
+ return
+ }
+
+ var tp = models.AU_WRITABLE
+ if isPull {
+ tp = models.AU_READABLE
+ }
+
+ has, err := models.HasAccess(authUsername, username+"/"+reponame, tp)
+ if err != nil {
+ ctx.Handle(401, "no basic auth and digit auth", nil)
+ return
+ } else if !has {
+ if tp == models.AU_READABLE {
+ has, err = models.HasAccess(authUsername, username+"/"+reponame, models.AU_WRITABLE)
+ if err != nil || !has {
+ ctx.Handle(401, "no basic auth and digit auth", nil)
+ return
+ }
+ } else {
+ ctx.Handle(401, "no basic auth and digit auth", nil)
+ return
+ }
+ }
+ }
+
+ config := Config{base.RepoRootPath, "git", true, true}
+
+ handler := HttpBackend(&config)
+ handler(ctx.ResponseWriter, ctx.Req)
+
+ /* Webdav
+ dir := models.RepoPath(username, reponame)
+
+ prefix := path.Join("/", username, params["reponame"])
+ server := webdav.NewServer(
+ dir, prefix, true)
+
+ server.ServeHTTP(ctx.ResponseWriter, ctx.Req)
+ */
+}
+
+type route struct {
+ cr *regexp.Regexp
+ method string
+ handler func(handler)
+}
+
+type Config struct {
++ ReposRoot string
++ GitBinPath string
++ UploadPack bool
++ ReceivePack bool
++ OnPushSucceed func()
+}
+
+type handler struct {
+ *Config
+ w http.ResponseWriter
+ r *http.Request
+ Dir string
+ File string
+}
+
+var routes = []route{
+ {regexp.MustCompile("(.*?)/git-upload-pack$"), "POST", serviceUploadPack},
+ {regexp.MustCompile("(.*?)/git-receive-pack$"), "POST", serviceReceivePack},
+ {regexp.MustCompile("(.*?)/info/refs$"), "GET", getInfoRefs},
+ {regexp.MustCompile("(.*?)/HEAD$"), "GET", getTextFile},
+ {regexp.MustCompile("(.*?)/objects/info/alternates$"), "GET", getTextFile},
+ {regexp.MustCompile("(.*?)/objects/info/http-alternates$"), "GET", getTextFile},
+ {regexp.MustCompile("(.*?)/objects/info/packs$"), "GET", getInfoPacks},
+ {regexp.MustCompile("(.*?)/objects/info/[^/]*$"), "GET", getTextFile},
+ {regexp.MustCompile("(.*?)/objects/[0-9a-f]{2}/[0-9a-f]{38}$"), "GET", getLooseObject},
+ {regexp.MustCompile("(.*?)/objects/pack/pack-[0-9a-f]{40}\\.pack$"), "GET", getPackFile},
+ {regexp.MustCompile("(.*?)/objects/pack/pack-[0-9a-f]{40}\\.idx$"), "GET", getIdxFile},
+}
+
+// Request handling function
+func HttpBackend(config *Config) http.HandlerFunc {
+ return func(w http.ResponseWriter, r *http.Request) {
+ //log.Printf("%s %s %s %s", r.RemoteAddr, r.Method, r.URL.Path, r.Proto)
+ for _, route := range routes {
+ if m := route.cr.FindStringSubmatch(r.URL.Path); m != nil {
+ if route.method != r.Method {
+ renderMethodNotAllowed(w, r)
+ return
+ }
+
+ file := strings.Replace(r.URL.Path, m[1]+"/", "", 1)
+ dir, err := getGitDir(config, m[1])
+
+ if err != nil {
+ log.Print(err)
+ renderNotFound(w)
+ return
+ }
+
+ hr := handler{config, w, r, dir, file}
+ route.handler(hr)
+ return
+ }
+ }
+ renderNotFound(w)
+ return
+ }
+}
+
+// Actual command handling functions
+
+func serviceUploadPack(hr handler) {
+ serviceRpc("upload-pack", hr)
+}
+
+func serviceReceivePack(hr handler) {
+ serviceRpc("receive-pack", hr)
+}
+
+func serviceRpc(rpc string, hr handler) {
+ w, r, dir := hr.w, hr.r, hr.Dir
+ access := hasAccess(r, hr.Config, dir, rpc, true)
+
+ if access == false {
+ renderNoAccess(w)
+ return
+ }
+
+ input, _ := ioutil.ReadAll(r.Body)
+
+ w.Header().Set("Content-Type", fmt.Sprintf("application/x-git-%s-result", rpc))
+ w.WriteHeader(http.StatusOK)
+
+ args := []string{rpc, "--stateless-rpc", dir}
+ cmd := exec.Command(hr.Config.GitBinPath, args...)
+ cmd.Dir = dir
+ in, err := cmd.StdinPipe()
+ if err != nil {
+ log.Print(err)
++ return
+ }
+
+ stdout, err := cmd.StdoutPipe()
+ if err != nil {
+ log.Print(err)
++ return
+ }
+
+ err = cmd.Start()
+ if err != nil {
+ log.Print(err)
++ return
+ }
+
+ in.Write(input)
+ io.Copy(w, stdout)
+ cmd.Wait()
++
++ hr.Config.OnPushSucceed()
+}
+
+func getInfoRefs(hr handler) {
+ w, r, dir := hr.w, hr.r, hr.Dir
+ serviceName := getServiceType(r)
+ access := hasAccess(r, hr.Config, dir, serviceName, false)
+
+ if access {
+ args := []string{serviceName, "--stateless-rpc", "--advertise-refs", "."}
+ refs := gitCommand(hr.Config.GitBinPath, dir, args...)
+
+ hdrNocache(w)
+ w.Header().Set("Content-Type", fmt.Sprintf("application/x-git-%s-advertisement", serviceName))
+ w.WriteHeader(http.StatusOK)
+ w.Write(packetWrite("# service=git-" + serviceName + "\n"))
+ w.Write(packetFlush())
+ w.Write(refs)
+ } else {
+ updateServerInfo(hr.Config.GitBinPath, dir)
+ hdrNocache(w)
+ sendFile("text/plain; charset=utf-8", hr)
+ }
+}
+
+func getInfoPacks(hr handler) {
+ hdrCacheForever(hr.w)
+ sendFile("text/plain; charset=utf-8", hr)
+}
+
+func getLooseObject(hr handler) {
+ hdrCacheForever(hr.w)
+ sendFile("application/x-git-loose-object", hr)
+}
+
+func getPackFile(hr handler) {
+ hdrCacheForever(hr.w)
+ sendFile("application/x-git-packed-objects", hr)
+}
+
+func getIdxFile(hr handler) {
+ hdrCacheForever(hr.w)
+ sendFile("application/x-git-packed-objects-toc", hr)
+}
+
+func getTextFile(hr handler) {
+ hdrNocache(hr.w)
+ sendFile("text/plain", hr)
+}
+
+// Logic helping functions
+
+func sendFile(contentType string, hr handler) {
+ w, r := hr.w, hr.r
+ reqFile := path.Join(hr.Dir, hr.File)
+
+ //fmt.Println("sendFile:", reqFile)
+
+ f, err := os.Stat(reqFile)
+ if os.IsNotExist(err) {
+ renderNotFound(w)
+ return
+ }
+
+ w.Header().Set("Content-Type", contentType)
+ w.Header().Set("Content-Length", fmt.Sprintf("%d", f.Size()))
+ w.Header().Set("Last-Modified", f.ModTime().Format(http.TimeFormat))
+ http.ServeFile(w, r, reqFile)
+}
+
+func getGitDir(config *Config, filePath string) (string, error) {
+ root := config.ReposRoot
+
+ if root == "" {
+ cwd, err := os.Getwd()
+
+ if err != nil {
+ log.Print(err)
+ return "", err
+ }
+
+ root = cwd
+ }
+
+ f := path.Join(root, filePath)
+ if _, err := os.Stat(f); os.IsNotExist(err) {
+ return "", err
+ }
+
+ return f, nil
+}
+
+func getServiceType(r *http.Request) string {
+ serviceType := r.FormValue("service")
+
+ if s := strings.HasPrefix(serviceType, "git-"); !s {
+ return ""
+ }
+
+ return strings.Replace(serviceType, "git-", "", 1)
+}
+
+func hasAccess(r *http.Request, config *Config, dir string, rpc string, checkContentType bool) bool {
+ if checkContentType {
+ if r.Header.Get("Content-Type") != fmt.Sprintf("application/x-git-%s-request", rpc) {
+ return false
+ }
+ }
+
+ if !(rpc == "upload-pack" || rpc == "receive-pack") {
+ return false
+ }
+ if rpc == "receive-pack" {
+ return config.ReceivePack
+ }
+ if rpc == "upload-pack" {
+ return config.UploadPack
+ }
+
+ return getConfigSetting(config.GitBinPath, rpc, dir)
+}
+
+func getConfigSetting(gitBinPath, serviceName string, dir string) bool {
+ serviceName = strings.Replace(serviceName, "-", "", -1)
+ setting := getGitConfig(gitBinPath, "http."+serviceName, dir)
+
+ if serviceName == "uploadpack" {
+ return setting != "false"
+ }
+
+ return setting == "true"
+}
+
+func getGitConfig(gitBinPath, configName string, dir string) string {
+ args := []string{"config", configName}
+ out := string(gitCommand(gitBinPath, dir, args...))
+ return out[0 : len(out)-1]
+}
+
+func updateServerInfo(gitBinPath, dir string) []byte {
+ args := []string{"update-server-info"}
+ return gitCommand(gitBinPath, dir, args...)
+}
+
+func gitCommand(gitBinPath, dir string, args ...string) []byte {
+ command := exec.Command(gitBinPath, args...)
+ command.Dir = dir
+ out, err := command.Output()
+
+ if err != nil {
+ log.Print(err)
+ }
+
+ return out
+}
+
+// HTTP error response handling functions
+
+func renderMethodNotAllowed(w http.ResponseWriter, r *http.Request) {
+ 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"))
+ }
+}
+
+func renderNotFound(w http.ResponseWriter) {
+ w.WriteHeader(http.StatusNotFound)
+ w.Write([]byte("Not Found"))
+}
+
+func renderNoAccess(w http.ResponseWriter) {
+ w.WriteHeader(http.StatusForbidden)
+ w.Write([]byte("Forbidden"))
+}
+
+// Packet-line handling function
+
+func packetFlush() []byte {
+ return []byte("0000")
+}
+
+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 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")
+}
+
+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")
+}
+
+// Main
+/*
+func main() {
+ http.HandleFunc("/", requestHandler())
+
+ err := http.ListenAndServe(":8080", nil)
+ if err != nil {
+ log.Fatal("ListenAndServe: ", err)
+ }
+}*/
projects / gitea.git / commitdiff