mirror of
https://codeberg.org/forgejo/forgejo.git
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aacc13fca8
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>
Signed-off-by: Earl Warren <contact@earl-warren.org>
(cherry picked from commit 8eba631f8d)
241 lines
8.6 KiB
Go
241 lines
8.6 KiB
Go
// Copyright 2024 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package integration
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import (
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"fmt"
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"net/url"
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"testing"
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"time"
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"code.gitea.io/gitea/models/db"
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git_model "code.gitea.io/gitea/models/git"
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repo_model "code.gitea.io/gitea/models/repo"
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"code.gitea.io/gitea/models/unittest"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/log"
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repo_module "code.gitea.io/gitea/modules/repository"
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"code.gitea.io/gitea/modules/test"
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repo_service "code.gitea.io/gitea/services/repository"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestGitPush(t *testing.T) {
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onGiteaRun(t, testGitPush)
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}
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func testGitPush(t *testing.T, u *url.URL) {
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t.Run("Push branches at once", func(t *testing.T) {
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runTestGitPush(t, u, func(t *testing.T, gitPath string) (pushed, deleted []string) {
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for i := 0; i < 100; i++ {
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branchName := fmt.Sprintf("branch-%d", i)
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pushed = append(pushed, branchName)
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doGitCreateBranch(gitPath, branchName)(t)
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}
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pushed = append(pushed, "master")
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doGitPushTestRepository(gitPath, "origin", "--all")(t)
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return pushed, deleted
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})
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})
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t.Run("Push branches one by one", func(t *testing.T) {
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runTestGitPush(t, u, func(t *testing.T, gitPath string) (pushed, deleted []string) {
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for i := 0; i < 100; i++ {
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branchName := fmt.Sprintf("branch-%d", i)
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doGitCreateBranch(gitPath, branchName)(t)
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doGitPushTestRepository(gitPath, "origin", branchName)(t)
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pushed = append(pushed, branchName)
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}
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return pushed, deleted
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})
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})
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t.Run("Delete branches", func(t *testing.T) {
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runTestGitPush(t, u, func(t *testing.T, gitPath string) (pushed, deleted []string) {
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doGitPushTestRepository(gitPath, "origin", "master")(t) // make sure master is the default branch instead of a branch we are going to delete
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pushed = append(pushed, "master")
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for i := 0; i < 100; i++ {
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branchName := fmt.Sprintf("branch-%d", i)
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pushed = append(pushed, branchName)
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doGitCreateBranch(gitPath, branchName)(t)
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}
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doGitPushTestRepository(gitPath, "origin", "--all")(t)
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for i := 0; i < 10; i++ {
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branchName := fmt.Sprintf("branch-%d", i)
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doGitPushTestRepository(gitPath, "origin", "--delete", branchName)(t)
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deleted = append(deleted, branchName)
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}
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return pushed, deleted
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})
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})
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t.Run("Push to deleted branch", func(t *testing.T) {
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runTestGitPush(t, u, func(t *testing.T, gitPath string) (pushed, deleted []string) {
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doGitPushTestRepository(gitPath, "origin", "master")(t) // make sure master is the default branch instead of a branch we are going to delete
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pushed = append(pushed, "master")
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doGitCreateBranch(gitPath, "branch-1")(t)
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doGitPushTestRepository(gitPath, "origin", "branch-1")(t)
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pushed = append(pushed, "branch-1")
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// delete and restore
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doGitPushTestRepository(gitPath, "origin", "--delete", "branch-1")(t)
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doGitPushTestRepository(gitPath, "origin", "branch-1")(t)
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return pushed, deleted
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})
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})
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}
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func runTestGitPush(t *testing.T, u *url.URL, gitOperation func(t *testing.T, gitPath string) (pushed, deleted []string)) {
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user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
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repo, err := repo_service.CreateRepository(db.DefaultContext, user, user, repo_service.CreateRepoOptions{
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Name: "repo-to-push",
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Description: "test git push",
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AutoInit: false,
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DefaultBranch: "main",
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IsPrivate: false,
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})
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require.NoError(t, err)
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require.NotEmpty(t, repo)
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gitPath := t.TempDir()
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doGitInitTestRepository(gitPath)(t)
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oldPath := u.Path
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oldUser := u.User
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defer func() {
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u.Path = oldPath
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u.User = oldUser
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}()
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u.Path = repo.FullName() + ".git"
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u.User = url.UserPassword(user.LowerName, userPassword)
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doGitAddRemote(gitPath, "origin", u)(t)
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gitRepo, err := git.OpenRepository(git.DefaultContext, gitPath)
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require.NoError(t, err)
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defer gitRepo.Close()
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pushedBranches, deletedBranches := gitOperation(t, gitPath)
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dbBranches := make([]*git_model.Branch, 0)
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require.NoError(t, db.GetEngine(db.DefaultContext).Where("repo_id=?", repo.ID).Find(&dbBranches))
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assert.Equalf(t, len(pushedBranches), len(dbBranches), "mismatched number of branches in db")
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dbBranchesMap := make(map[string]*git_model.Branch, len(dbBranches))
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for _, branch := range dbBranches {
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dbBranchesMap[branch.Name] = branch
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}
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deletedBranchesMap := make(map[string]bool, len(deletedBranches))
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for _, branchName := range deletedBranches {
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deletedBranchesMap[branchName] = true
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}
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for _, branchName := range pushedBranches {
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branch, ok := dbBranchesMap[branchName]
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deleted := deletedBranchesMap[branchName]
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assert.True(t, ok, "branch %s not found in database", branchName)
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assert.Equal(t, deleted, branch.IsDeleted, "IsDeleted of %s is %v, but it's expected to be %v", branchName, branch.IsDeleted, deleted)
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commitID, err := gitRepo.GetBranchCommitID(branchName)
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require.NoError(t, err)
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assert.Equal(t, commitID, branch.CommitID)
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}
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require.NoError(t, repo_service.DeleteRepositoryDirectly(db.DefaultContext, user, repo.ID))
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}
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func TestOptionsGitPush(t *testing.T) {
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onGiteaRun(t, testOptionsGitPush)
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}
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func testOptionsGitPush(t *testing.T, u *url.URL) {
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user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
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repo, err := repo_service.CreateRepository(db.DefaultContext, user, user, repo_service.CreateRepoOptions{
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Name: "repo-to-push",
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Description: "test git push",
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AutoInit: false,
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DefaultBranch: "main",
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IsPrivate: false,
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})
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require.NoError(t, err)
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require.NotEmpty(t, repo)
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gitPath := t.TempDir()
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doGitInitTestRepository(gitPath)(t)
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u.Path = repo.FullName() + ".git"
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u.User = url.UserPassword(user.LowerName, userPassword)
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doGitAddRemote(gitPath, "origin", u)(t)
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t.Run("Unknown push options are rejected", func(t *testing.T) {
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logChecker, cleanup := test.NewLogChecker(log.DEFAULT, log.TRACE)
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logChecker.Filter("unknown option").StopMark("Git push options validation")
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defer cleanup()
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branchName := "branch0"
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doGitCreateBranch(gitPath, branchName)(t)
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doGitPushTestRepositoryFail(gitPath, "origin", branchName, "-o", "repo.template=false", "-o", "uknownoption=randomvalue")(t)
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logFiltered, logStopped := logChecker.Check(5 * time.Second)
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assert.True(t, logStopped)
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assert.True(t, logFiltered[0])
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})
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t.Run("Owner sets private & template to true via push options", func(t *testing.T) {
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branchName := "branch1"
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doGitCreateBranch(gitPath, branchName)(t)
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doGitPushTestRepository(gitPath, "origin", branchName, "-o", "repo.private=true", "-o", "repo.template=true")(t)
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repo, err := repo_model.GetRepositoryByOwnerAndName(db.DefaultContext, user.Name, "repo-to-push")
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require.NoError(t, err)
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require.True(t, repo.IsPrivate)
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require.True(t, repo.IsTemplate)
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})
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t.Run("Owner sets private & template to false via push options", func(t *testing.T) {
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branchName := "branch2"
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doGitCreateBranch(gitPath, branchName)(t)
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doGitPushTestRepository(gitPath, "origin", branchName, "-o", "repo.private=false", "-o", "repo.template=false")(t)
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repo, err = repo_model.GetRepositoryByOwnerAndName(db.DefaultContext, user.Name, "repo-to-push")
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require.NoError(t, err)
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require.False(t, repo.IsPrivate)
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require.False(t, repo.IsTemplate)
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})
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// create a collaborator with write access
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collaborator := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 5})
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u.User = url.UserPassword(collaborator.LowerName, userPassword)
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doGitAddRemote(gitPath, "collaborator", u)(t)
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repo_module.AddCollaborator(db.DefaultContext, repo, collaborator)
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t.Run("Collaborator with write access is allowed to push", func(t *testing.T) {
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branchName := "branch3"
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doGitCreateBranch(gitPath, branchName)(t)
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doGitPushTestRepository(gitPath, "collaborator", branchName)(t)
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})
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t.Run("Collaborator with write access fails to change private & template via push options", func(t *testing.T) {
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logChecker, cleanup := test.NewLogChecker(log.DEFAULT, log.TRACE)
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logChecker.Filter("permission denied for changing repo settings").StopMark("Git push options validation")
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defer cleanup()
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branchName := "branch4"
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doGitCreateBranch(gitPath, branchName)(t)
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doGitPushTestRepositoryFail(gitPath, "collaborator", branchName, "-o", "repo.private=true", "-o", "repo.template=true")(t)
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repo, err = repo_model.GetRepositoryByOwnerAndName(db.DefaultContext, user.Name, "repo-to-push")
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require.NoError(t, err)
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require.False(t, repo.IsPrivate)
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require.False(t, repo.IsTemplate)
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logFiltered, logStopped := logChecker.Check(5 * time.Second)
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assert.True(t, logStopped)
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assert.True(t, logFiltered[0])
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})
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require.NoError(t, repo_service.DeleteRepositoryDirectly(db.DefaultContext, user, repo.ID))
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}
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