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forgejo/tests/integration/git_push_test.go
Gergely Nagy c8645d2a70
hooks: Harden when we accept push options that change repo settings
It is possible to change some repo settings (its visibility, and
template status) via `git push` options: `-o repo.private=true`, `-o
repo.template=true`.

Previously, there weren't sufficient permission checks on these, and
anyone who could `git push` to a repository - including via an AGit
workflow! - was able to change either of these settings. To guard
against this, the pre-receive hook will now check if either of these
options are present, and if so, will perform additional permission
checks to ensure that these can only be set by a repository owner or
an administrator. Additionally, changing these settings is disabled for
forks, even for the fork's owner.

There's still a case where the owner of a repository can change the
visibility of it, and it will not propagate to forks (it propagates to
forks when changing the visibility via the API), but that's an
inconsistency, not a security issue.

Signed-off-by: Gergely Nagy <forgejo@gergo.csillger.hu>
(cherry picked from commit cc80e66153)

Conflicts: tests/integration/git_push_test.go
  	DeleteRepositoryDirectly does not exist
	CreateRepoOptions is in repo_module
2024-04-18 23:07:18 +02:00

94 lines
3.1 KiB
Go

// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package integration
import (
"net/url"
"testing"
"code.gitea.io/gitea/models/db"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/models/unittest"
user_model "code.gitea.io/gitea/models/user"
repo_module "code.gitea.io/gitea/modules/repository"
repo_service "code.gitea.io/gitea/services/repository"
"github.com/stretchr/testify/require"
)
func TestOptionsGitPush(t *testing.T) {
onGiteaRun(t, testOptionsGitPush)
}
func testOptionsGitPush(t *testing.T, u *url.URL) {
user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
repo, err := repo_service.CreateRepository(db.DefaultContext, user, user, repo_module.CreateRepoOptions{
Name: "repo-to-push",
Description: "test git push",
AutoInit: false,
DefaultBranch: "main",
IsPrivate: false,
})
require.NoError(t, err)
require.NotEmpty(t, repo)
gitPath := t.TempDir()
doGitInitTestRepository(gitPath)(t)
u.Path = repo.FullName() + ".git"
u.User = url.UserPassword(user.LowerName, userPassword)
doGitAddRemote(gitPath, "origin", u)(t)
{
// owner sets private & template to true via push options
branchName := "branch1"
doGitCreateBranch(gitPath, branchName)(t)
doGitPushTestRepository(gitPath, "origin", branchName, "-o", "repo.private=true", "-o", "repo.template=true")(t)
repo, err := repo_model.GetRepositoryByOwnerAndName(db.DefaultContext, user.Name, "repo-to-push")
require.NoError(t, err)
require.True(t, repo.IsPrivate)
require.True(t, repo.IsTemplate)
}
{
// owner sets private & template to false via push options
branchName := "branch2"
doGitCreateBranch(gitPath, branchName)(t)
doGitPushTestRepository(gitPath, "origin", branchName, "-o", "repo.private=false", "-o", "repo.template=false")(t)
repo, err = repo_model.GetRepositoryByOwnerAndName(db.DefaultContext, user.Name, "repo-to-push")
require.NoError(t, err)
require.False(t, repo.IsPrivate)
require.False(t, repo.IsTemplate)
}
{
// create a collaborator with write access
collaborator := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 5})
u.User = url.UserPassword(collaborator.LowerName, userPassword)
doGitAddRemote(gitPath, "collaborator", u)(t)
repo, err := repo_model.GetRepositoryByOwnerAndName(db.DefaultContext, user.Name, "repo-to-push")
require.NoError(t, err)
repo_module.AddCollaborator(db.DefaultContext, repo, collaborator)
}
{
// collaborator with write access is allowed to push
branchName := "branch3"
doGitCreateBranch(gitPath, branchName)(t)
doGitPushTestRepository(gitPath, "collaborator", branchName)(t)
}
{
// collaborator with write access fails to change private & template via push options
branchName := "branch4"
doGitCreateBranch(gitPath, branchName)(t)
doGitPushTestRepositoryFail(gitPath, "collaborator", branchName, "-o", "repo.private=true", "-o", "repo.template=true")(t)
repo, err = repo_model.GetRepositoryByOwnerAndName(db.DefaultContext, user.Name, "repo-to-push")
require.NoError(t, err)
require.False(t, repo.IsPrivate)
require.False(t, repo.IsTemplate)
}
}