func Http(ctx *middleware.Context) {
username := ctx.Params(":username")
reponame := ctx.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 {
if err == models.ErrUserNotExist {
ctx.Handle(404, "GetUserByName", nil)
} else {
ctx.Handle(500, "GetUserByName", err)
}
return
}
repo, err := models.GetRepositoryByName(repoUser.Id, reponame)
if err != nil {
if models.IsErrRepoNotExist(err) {
ctx.Handle(404, "GetRepositoryByName", nil)
} else {
ctx.Handle(500, "GetRepositoryByName", err)
}
return
}
// Only public pull don't need auth.
isPublicPull := !repo.IsPrivate && isPull
var (
askAuth = !isPublicPull || setting.Service.RequireSignInView
authUser *models.User
authUsername string
authPasswd string
)
// check access
if askAuth {
baHead := ctx.Req.Header.Get("Authorization")
if baHead == "" {
authRequired(ctx)
return
}
auths := strings.Fields(baHead)
// currently check basic auth
// TODO: support digit auth
// FIXME: middlewares/context.go did basic auth check already,
// maybe could use that one.
if len(auths) != 2 || auths[0] != "Basic" {
ctx.Handle(401, "no basic auth and digit auth", nil)
return
}
authUsername, authPasswd, err = base.BasicAuthDecode(auths[1])
if err != nil {
ctx.Handle(401, "no basic auth and digit auth", nil)
return
}
authUser, err = models.UserSignIn(authUsername, authPasswd)
if err != nil {
if err != models.ErrUserNotExist {
ctx.Handle(500, "UserSignIn error: %v", err)
return
}
// Assume username now is a token.
token, err := models.GetAccessTokenBySha(authUsername)
if err != nil {
if err == models.ErrAccessTokenNotExist {
ctx.Handle(401, "invalid token", nil)
} else {
ctx.Handle(500, "GetAccessTokenBySha", err)
}
return
}
authUser, err = models.GetUserById(token.Uid)
if err != nil {
ctx.Handle(500, "GetUserById", err)
return
}
authUsername = authUser.Name
}
if !isPublicPull {
var tp = models.ACCESS_MODE_WRITE
if isPull {
tp = models.ACCESS_MODE_READ
}
has, err := models.HasAccess(authUser, repo, tp)
if err != nil {
ctx.Handle(401, "no basic auth and digit auth", nil)
return
} else if !has {
if tp == models.ACCESS_MODE_READ {
has, err = models.HasAccess(authUser, repo, models.ACCESS_MODE_WRITE)
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
}
}
if !isPull && repo.IsMirror {
ctx.Handle(401, "can't push to mirror", nil)
return
}
}
}
callback := func(rpc string, input []byte) {
if rpc == "receive-pack" {
var lastLine int64 = 0
for {
head := input[lastLine : lastLine+2]
if head[0] == '0' && head[1] == '0' {
size, err := strconv.ParseInt(string(input[lastLine+2:lastLine+4]), 16, 32)
if err != nil {
log.Error(4, "%v", err)
return
}
if size == 0 {
//fmt.Println(string(input[lastLine:]))
break
}
line := input[lastLine : lastLine+size]
idx := bytes.IndexRune(line, '\000')
if idx > -1 {
line = line[:idx]
}
fields := strings.Fields(string(line))
if len(fields) >= 3 {
oldCommitId := fields[0][4:]
newCommitId := fields[1]
refName := fields[2]
// FIXME: handle error.
models.Update(refName, oldCommitId, newCommitId, authUsername, username, reponame, authUser.Id)
}
lastLine = lastLine + size
} else {
break
}
}
}
}
HTTPBackend(&Config{
RepoRootPath: setting.RepoRootPath,
GitBinPath: "git",
UploadPack: true,
ReceivePack: true,
OnSucceed: callback,
})(ctx.Resp, ctx.Req.Request)
runtime.GC()
}
func runServ(c *cli.Context) {
if c.IsSet("config") {
setting.CustomConf = c.String("config")
}
setup("serv.log")
fail := func(userMessage, logMessage string, args ...interface{}) {
fmt.Fprintln(os.Stderr, "Gogs: ", userMessage)
log.GitLogger.Fatal(2, logMessage, args...)
}
if len(c.Args()) < 1 {
fail("Not enough arguments", "Not enough arugments")
}
keys := strings.Split(c.Args()[0], "-")
if len(keys) != 2 {
fail("key-id format error", "Invalid key id: %s", c.Args()[0])
}
keyId, err := com.StrTo(keys[1]).Int64()
if err != nil {
fail("key-id format error", "Invalid key id: %s", err)
}
user, err := models.GetUserByKeyId(keyId)
if err != nil {
fail("internal error", "Fail to get user by key ID(%d): %v", keyId, err)
}
cmd := os.Getenv("SSH_ORIGINAL_COMMAND")
if cmd == "" {
println("Hi", user.Name, "! You've successfully authenticated, but Gogs does not provide shell access.")
if user.IsAdmin {
println("If this is unexpected, please log in with password and setup Gogs under another user.")
}
return
}
verb, args := parseCmd(cmd)
repoPath := strings.Trim(args, "'")
rr := strings.SplitN(repoPath, "/", 2)
if len(rr) != 2 {
fail("Invalid repository path", "Invalide repository path: %v", args)
}
repoUserName := rr[0]
repoName := strings.TrimSuffix(rr[1], ".git")
repoUser, err := models.GetUserByName(repoUserName)
if err != nil {
if err == models.ErrUserNotExist {
fail("Repository owner does not exist", "Unregistered owner: %s", repoUserName)
}
fail("Internal error", "Fail to get repository owner(%s): %v", repoUserName, err)
}
repo, err := models.GetRepositoryByName(repoUser.Id, repoName)
if err != nil {
if models.IsErrRepoNotExist(err) {
if user.Id == repoUser.Id || repoUser.IsOwnedBy(user.Id) {
fail("Repository does not exist", "Repository does not exist: %s/%s", repoUser.Name, repoName)
} else {
fail(_ACCESS_DENIED_MESSAGE, "Repository does not exist: %s/%s", repoUser.Name, repoName)
}
}
fail("Internal error", "Fail to get repository: %v", err)
}
requestedMode, has := COMMANDS[verb]
if !has {
fail("Unknown git command", "Unknown git command %s", verb)
}
mode, err := models.AccessLevel(user, repo)
if err != nil {
fail("Internal error", "Fail to check access: %v", err)
} else if mode < requestedMode {
clientMessage := _ACCESS_DENIED_MESSAGE
if mode >= models.ACCESS_MODE_READ {
clientMessage = "You do not have sufficient authorization for this action"
}
fail(clientMessage,
"User %s does not have level %v access to repository %s",
user.Name, requestedMode, repoPath)
}
uuid := uuid.NewV4().String()
os.Setenv("uuid", uuid)
var gitcmd *exec.Cmd
verbs := strings.Split(verb, " ")
if len(verbs) == 2 {
gitcmd = exec.Command(verbs[0], verbs[1], repoPath)
} else {
gitcmd = exec.Command(verb, repoPath)
}
gitcmd.Dir = setting.RepoRootPath
gitcmd.Stdout = os.Stdout
gitcmd.Stdin = os.Stdin
gitcmd.Stderr = os.Stderr
if err = gitcmd.Run(); err != nil {
fail("Internal error", "Fail to execute git command: %v", err)
}
if requestedMode == models.ACCESS_MODE_WRITE {
tasks, err := models.GetUpdateTasksByUuid(uuid)
if err != nil {
log.GitLogger.Fatal(2, "GetUpdateTasksByUuid: %v", err)
}
for _, task := range tasks {
err = models.Update(task.RefName, task.OldCommitId, task.NewCommitId,
user.Name, repoUserName, repoName, user.Id)
if err != nil {
log.GitLogger.Error(2, "Fail to update: %v", err)
}
}
if err = models.DelUpdateTasksByUuid(uuid); err != nil {
log.GitLogger.Fatal(2, "DelUpdateTasksByUuid: %v", err)
}
}
// Update key activity.
key, err := models.GetPublicKeyById(keyId)
if err != nil {
fail("Internal error", "GetPublicKeyById: %v", err)
}
key.Updated = time.Now()
if err = models.UpdatePublicKey(key); err != nil {
fail("Internal error", "UpdatePublicKey: %v", err)
}
}