Ejemplo n.º 1
0
func runServ(k *cli.Context) {
	setup("serv.log")

	keys := strings.Split(os.Args[2], "-")
	if len(keys) != 2 {
		println("Gogs: auth file format error")
		log.GitLogger.Fatal(2, "Invalid auth file format: %s", os.Args[2])
	}

	keyId, err := com.StrTo(keys[1]).Int64()
	if err != nil {
		println("Gogs: auth file format error")
		log.GitLogger.Fatal(2, "Invalid auth file format: %v", err)
	}
	user, err := models.GetUserByKeyId(keyId)
	if err != nil {
		if err == models.ErrUserNotKeyOwner {
			println("Gogs: you are not the owner of SSH key")
			log.GitLogger.Fatal(2, "Invalid owner of SSH key: %d", keyId)
		}
		println("Gogs: internal error:", err)
		log.GitLogger.Fatal(2, "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.")
		return
	}

	verb, args := parseCmd(cmd)
	repoPath := strings.Trim(args, "'")
	rr := strings.SplitN(repoPath, "/", 2)
	if len(rr) != 2 {
		println("Gogs: unavailable repository", args)
		log.GitLogger.Fatal(2, "Unavailable repository: %v", args)
	}
	repoUserName := rr[0]
	repoName := strings.TrimSuffix(rr[1], ".git")

	isWrite := In(verb, COMMANDS_WRITE)
	isRead := In(verb, COMMANDS_READONLY)

	repoUser, err := models.GetUserByName(repoUserName)
	if err != nil {
		if err == models.ErrUserNotExist {
			println("Gogs: given repository owner are not registered")
			log.GitLogger.Fatal(2, "Unregistered owner: %s", repoUserName)
		}
		println("Gogs: internal error:", err)
		log.GitLogger.Fatal(2, "Fail to get repository owner(%s): %v", repoUserName, err)
	}

	// Access check.
	switch {
	case isWrite:
		has, err := models.HasAccess(user.Name, path.Join(repoUserName, repoName), models.WRITABLE)
		if err != nil {
			println("Gogs: internal error:", err)
			log.GitLogger.Fatal(2, "Fail to check write access:", err)
		} else if !has {
			println("You have no right to write this repository")
			log.GitLogger.Fatal(2, "User %s has no right to write repository %s", user.Name, repoPath)
		}
	case isRead:
		repo, err := models.GetRepositoryByName(repoUser.Id, repoName)
		if err != nil {
			if err == models.ErrRepoNotExist {
				println("Gogs: given repository does not exist")
				log.GitLogger.Fatal(2, "Repository does not exist: %s/%s", repoUser.Name, repoName)
			}
			println("Gogs: internal error:", err)
			log.GitLogger.Fatal(2, "Fail to get repository: %v", err)
		}

		if !repo.IsPrivate {
			break
		}

		has, err := models.HasAccess(user.Name, path.Join(repoUserName, repoName), models.READABLE)
		if err != nil {
			println("Gogs: internal error:", err)
			log.GitLogger.Fatal(2, "Fail to check read access:", err)
		} else if !has {
			println("You have no right to access this repository")
			log.GitLogger.Fatal(2, "User %s has no right to read repository %s", user.Name, repoPath)
		}
	default:
		println("Unknown command")
		return
	}

	uuid := uuid.NewV4().String()
	os.Setenv("uuid", uuid)

	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 {
		println("Gogs: internal error:", err.Error())
		log.GitLogger.Fatal(2, "Fail to execute git command: %v", err)
	}

	if isWrite {
		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 {
		log.GitLogger.Fatal(2, "GetPublicKeyById: %v", err)
	}
	key.Updated = time.Now()
	if err = models.UpdatePublicKey(key); err != nil {
		log.GitLogger.Fatal(2, "UpdatePublicKey: %v", err)
	}
}
Ejemplo n.º 2
0
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 == "" {
		fmt.Printf("Hi, %s! You've successfully authenticated, but Gogs does not provide shell access.\n", user.Name)
		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)
	}
}
Ejemplo n.º 3
0
Archivo: serve.go Proyecto: noikiy/gogs
func runServ(c *cli.Context) {
	if c.IsSet("config") {
		setting.CustomConf = c.String("config")
	}
	setup("serv.log")

	if len(c.Args()) < 1 {
		fail("Not enough arguments", "Not enough arguments")
	}

	cmd := os.Getenv("SSH_ORIGINAL_COMMAND")
	if len(cmd) == 0 {
		println("Hi there, You've successfully authenticated, but Gogs does not provide shell access.")
		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", "Invalid repository path: %v", args)
	}
	repoUserName := rr[0]
	repoName := strings.TrimSuffix(rr[1], ".git")

	repoUser, err := models.GetUserByName(repoUserName)
	if err != nil {
		if models.IsErrUserNotExist(err) {
			fail("Repository owner does not exist", "Unregistered owner: %s", repoUserName)
		}
		fail("Internal error", "Failed to get repository owner(%s): %v", repoUserName, err)
	}

	repo, err := models.GetRepositoryByName(repoUser.Id, repoName)
	if err != nil {
		if models.IsErrRepoNotExist(err) {
			fail(_ACCESS_DENIED_MESSAGE, "Repository does not exist: %s/%s", repoUser.Name, repoName)
		}
		fail("Internal error", "Failed to get repository: %v", err)
	}

	requestedMode, has := COMMANDS[verb]
	if !has {
		fail("Unknown git command", "Unknown git command %s", verb)
	}

	// Allow anonymous clone for public repositories.
	var (
		keyID int64
		user  *models.User
	)
	if requestedMode == models.ACCESS_MODE_WRITE || repo.IsPrivate {
		keys := strings.Split(c.Args()[0], "-")
		if len(keys) != 2 {
			fail("Key ID format error", "Invalid key ID: %s", c.Args()[0])
		}

		key, err := models.GetPublicKeyByID(com.StrTo(keys[1]).MustInt64())
		if err != nil {
			fail("Key ID format error", "Invalid key ID[%s]: %v", c.Args()[0], err)
		}
		keyID = key.ID

		// Check deploy key or user key.
		if key.Type == models.KEY_TYPE_DEPLOY {
			if key.Mode < requestedMode {
				fail("Key permission denied", "Cannot push with deployment key: %d", key.ID)
			}
			// Check if this deploy key belongs to current repository.
			if !models.HasDeployKey(key.ID, repo.ID) {
				fail("Key access denied", "Key access denied: %d-%d", key.ID, repo.ID)
			}

			// Update deploy key activity.
			deployKey, err := models.GetDeployKeyByRepo(key.ID, repo.ID)
			if err != nil {
				fail("Internal error", "GetDeployKey: %v", err)
			}

			deployKey.Updated = time.Now()
			if err = models.UpdateDeployKey(deployKey); err != nil {
				fail("Internal error", "UpdateDeployKey: %v", err)
			}
		} else {
			user, err = models.GetUserByKeyId(key.ID)
			if err != nil {
				fail("internal error", "Failed to get user by key ID(%d): %v", keyID, err)
			}

			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", "Failed 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, "Failed to update: %v", err)
			}
		}

		if err = models.DelUpdateTasksByUuid(uuid); err != nil {
			log.GitLogger.Fatal(2, "DelUpdateTasksByUuid: %v", err)
		}
	}

	// Send deliver hook request.
	resp, err := httplib.Head(setting.AppUrl + setting.AppSubUrl + repoUserName + "/" + repoName + "/hooks/trigger").Response()
	if err == nil {
		resp.Body.Close()
	}

	// Update user key activity.
	if keyID > 0 {
		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)
		}
	}
}