gitea/routers/api/v1/repo/migrate.go
6543 b2435af9be
Add Allow-/Block-List for Migrate & Mirrors (#13610)
* add black list and white list support for migrating repositories

* fix fmt

* fix lint

* fix vendor

* fix modules.txt

* clean diff

* specify log message

* use blocklist/allowlist

* allways use lowercase to match url

* Apply allow/block

* Settings: use existing "migrations" section

* convert domains lower case

* dont store unused value

* Block private addresses for migration by default

* fix lint

* use proposed-upstream func to detect private IP addr

* a nit

* add own error for blocked migration, add tests, imprufe api

* fix test

* fix-if-localhost-is-ipv4

* rename error & error message

* rename setting options

* Apply suggestions from code review

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
2020-11-28 19:37:58 -05:00

230 lines
7.6 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package repo
import (
"bytes"
"errors"
"fmt"
"net/http"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/auth"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/convert"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/migrations"
"code.gitea.io/gitea/modules/notification"
repo_module "code.gitea.io/gitea/modules/repository"
"code.gitea.io/gitea/modules/setting"
api "code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/util"
)
// Migrate migrate remote git repository to gitea
func Migrate(ctx *context.APIContext, form api.MigrateRepoOptions) {
// swagger:operation POST /repos/migrate repository repoMigrate
// ---
// summary: Migrate a remote git repository
// consumes:
// - application/json
// produces:
// - application/json
// parameters:
// - name: body
// in: body
// schema:
// "$ref": "#/definitions/MigrateRepoOptions"
// responses:
// "201":
// "$ref": "#/responses/Repository"
// "403":
// "$ref": "#/responses/forbidden"
// "422":
// "$ref": "#/responses/validationError"
//get repoOwner
var (
repoOwner *models.User
err error
)
if len(form.RepoOwner) != 0 {
repoOwner, err = models.GetUserByName(form.RepoOwner)
} else if form.RepoOwnerID != 0 {
repoOwner, err = models.GetUserByID(form.RepoOwnerID)
} else {
repoOwner = ctx.User
}
if err != nil {
if models.IsErrUserNotExist(err) {
ctx.Error(http.StatusUnprocessableEntity, "", err)
} else {
ctx.Error(http.StatusInternalServerError, "GetUser", err)
}
return
}
if ctx.HasError() {
ctx.Error(http.StatusUnprocessableEntity, "", ctx.GetErrMsg())
return
}
if !ctx.User.IsAdmin {
if !repoOwner.IsOrganization() && ctx.User.ID != repoOwner.ID {
ctx.Error(http.StatusForbidden, "", "Given user is not an organization.")
return
}
if repoOwner.IsOrganization() {
// Check ownership of organization.
isOwner, err := repoOwner.IsOwnedBy(ctx.User.ID)
if err != nil {
ctx.Error(http.StatusInternalServerError, "IsOwnedBy", err)
return
} else if !isOwner {
ctx.Error(http.StatusForbidden, "", "Given user is not owner of organization.")
return
}
}
}
remoteAddr, err := auth.ParseRemoteAddr(form.CloneAddr, form.AuthUsername, form.AuthPassword, ctx.User)
if err != nil {
if models.IsErrInvalidCloneAddr(err) {
addrErr := err.(models.ErrInvalidCloneAddr)
switch {
case addrErr.IsURLError:
ctx.Error(http.StatusUnprocessableEntity, "", err)
case addrErr.IsPermissionDenied:
ctx.Error(http.StatusUnprocessableEntity, "", "You are not allowed to import local repositories.")
case addrErr.IsInvalidPath:
ctx.Error(http.StatusUnprocessableEntity, "", "Invalid local path, it does not exist or not a directory.")
default:
ctx.Error(http.StatusInternalServerError, "ParseRemoteAddr", "Unknown error type (ErrInvalidCloneAddr): "+err.Error())
}
} else {
ctx.Error(http.StatusInternalServerError, "ParseRemoteAddr", err)
}
return
}
gitServiceType := convert.ToGitServiceType(form.Service)
if form.Mirror && setting.Repository.DisableMirrors {
ctx.Error(http.StatusForbidden, "MirrorsGlobalDisabled", fmt.Errorf("the site administrator has disabled mirrors"))
return
}
var opts = migrations.MigrateOptions{
CloneAddr: remoteAddr,
RepoName: form.RepoName,
Description: form.Description,
Private: form.Private || setting.Repository.ForcePrivate,
Mirror: form.Mirror,
AuthUsername: form.AuthUsername,
AuthPassword: form.AuthPassword,
AuthToken: form.AuthToken,
Wiki: form.Wiki,
Issues: form.Issues,
Milestones: form.Milestones,
Labels: form.Labels,
Comments: true,
PullRequests: form.PullRequests,
Releases: form.Releases,
GitServiceType: gitServiceType,
}
if opts.Mirror {
opts.Issues = false
opts.Milestones = false
opts.Labels = false
opts.Comments = false
opts.PullRequests = false
opts.Releases = false
}
repo, err := repo_module.CreateRepository(ctx.User, repoOwner, models.CreateRepoOptions{
Name: opts.RepoName,
Description: opts.Description,
OriginalURL: form.CloneAddr,
GitServiceType: gitServiceType,
IsPrivate: opts.Private,
IsMirror: opts.Mirror,
Status: models.RepositoryBeingMigrated,
})
if err != nil {
handleMigrateError(ctx, repoOwner, remoteAddr, err)
return
}
opts.MigrateToRepoID = repo.ID
defer func() {
if e := recover(); e != nil {
var buf bytes.Buffer
fmt.Fprintf(&buf, "Handler crashed with error: %v", log.Stack(2))
err = errors.New(buf.String())
}
if err == nil {
repo.Status = models.RepositoryReady
if err := models.UpdateRepositoryCols(repo, "status"); err == nil {
notification.NotifyMigrateRepository(ctx.User, repoOwner, repo)
return
}
}
if repo != nil {
if errDelete := models.DeleteRepository(ctx.User, repoOwner.ID, repo.ID); errDelete != nil {
log.Error("DeleteRepository: %v", errDelete)
}
}
}()
if _, err = migrations.MigrateRepository(graceful.GetManager().HammerContext(), ctx.User, repoOwner.Name, opts); err != nil {
handleMigrateError(ctx, repoOwner, remoteAddr, err)
return
}
log.Trace("Repository migrated: %s/%s", repoOwner.Name, form.RepoName)
ctx.JSON(http.StatusCreated, repo.APIFormat(models.AccessModeAdmin))
}
func handleMigrateError(ctx *context.APIContext, repoOwner *models.User, remoteAddr string, err error) {
switch {
case models.IsErrRepoAlreadyExist(err):
ctx.Error(http.StatusConflict, "", "The repository with the same name already exists.")
case models.IsErrRepoFilesAlreadyExist(err):
ctx.Error(http.StatusConflict, "", "Files already exist for this repository. Adopt them or delete them.")
case migrations.IsRateLimitError(err):
ctx.Error(http.StatusUnprocessableEntity, "", "Remote visit addressed rate limitation.")
case migrations.IsTwoFactorAuthError(err):
ctx.Error(http.StatusUnprocessableEntity, "", "Remote visit required two factors authentication.")
case models.IsErrReachLimitOfRepo(err):
ctx.Error(http.StatusUnprocessableEntity, "", fmt.Sprintf("You have already reached your limit of %d repositories.", repoOwner.MaxCreationLimit()))
case models.IsErrNameReserved(err):
ctx.Error(http.StatusUnprocessableEntity, "", fmt.Sprintf("The username '%s' is reserved.", err.(models.ErrNameReserved).Name))
case models.IsErrNameCharsNotAllowed(err):
ctx.Error(http.StatusUnprocessableEntity, "", fmt.Sprintf("The username '%s' contains invalid characters.", err.(models.ErrNameCharsNotAllowed).Name))
case models.IsErrNamePatternNotAllowed(err):
ctx.Error(http.StatusUnprocessableEntity, "", fmt.Sprintf("The pattern '%s' is not allowed in a username.", err.(models.ErrNamePatternNotAllowed).Pattern))
case models.IsErrMigrationNotAllowed(err):
ctx.Error(http.StatusUnprocessableEntity, "", err)
default:
err = util.URLSanitizedError(err, remoteAddr)
if strings.Contains(err.Error(), "Authentication failed") ||
strings.Contains(err.Error(), "Bad credentials") ||
strings.Contains(err.Error(), "could not read Username") {
ctx.Error(http.StatusUnprocessableEntity, "", fmt.Sprintf("Authentication failed: %v.", err))
} else if strings.Contains(err.Error(), "fatal:") {
ctx.Error(http.StatusUnprocessableEntity, "", fmt.Sprintf("Migration failed: %v.", err))
} else {
ctx.Error(http.StatusInternalServerError, "MigrateRepository", err)
}
}
}