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Prevent update pull refs manually and will not affect other refs update (#31931)

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All refs under `refs/pull` should only be changed from Gitea inside but
not by pushing from outside of Gitea.
This PR will prevent the pull refs update but allow other refs to be
updated on the same pushing with `--mirror` operations.

The main changes are to add checks on `update` hook but not
`pre-receive` because `update` will be invoked by every ref but
`pre-receive` will revert all changes once one ref update fails.
This commit is contained in:
Lunny Xiao 2024-09-02 15:38:27 +08:00 committed by GitHub
parent 052a8fe6cc
commit ac34449747
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GPG Key ID: B5690EEEBB952194
3 changed files with 37 additions and 0 deletions
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14
cmd/hook.go
View File

@ -290,8 +290,22 @@ Gitea or set your environment appropriately.`, "")
return nil
}
// runHookUpdate avoid to do heavy operations on update hook because it will be
// invoked for every ref update which does not like pre-receive and post-receive
func runHookUpdate(c *cli.Context) error {
if isInternal, _ := strconv.ParseBool(os.Getenv(repo_module.EnvIsInternal)); isInternal {
return nil
}
// Update is empty and is kept only for backwards compatibility
if len(os.Args) < 3 {
return nil
}
refName := git.RefName(os.Args[len(os.Args)-3])
if refName.IsPull() {
// ignore update to refs/pull/xxx/head, so we don't need to output any information
os.Exit(1)
}
return nil
}

22
tests/integration/git_push_test.go
View File

@ -6,8 +6,10 @@ package integration
import (
"fmt"
"net/url"
"strings"
"testing"
auth_model "code.gitea.io/gitea/models/auth"
"code.gitea.io/gitea/models/db"
git_model "code.gitea.io/gitea/models/git"
"code.gitea.io/gitea/models/unittest"
@ -192,3 +194,23 @@ func runTestGitPush(t *testing.T, u *url.URL, gitOperation func(t *testing.T, gi
require.NoError(t, repo_service.DeleteRepositoryDirectly(db.DefaultContext, user, repo.ID))
}
func TestPushPullRefs(t *testing.T) {
onGiteaRun(t, func(t *testing.T, u *url.URL) {
baseAPITestContext := NewAPITestContext(t, "user2", "repo1", auth_model.AccessTokenScopeWriteRepository, auth_model.AccessTokenScopeWriteUser)
u.Path = baseAPITestContext.GitPath()
u.User = url.UserPassword("user2", userPassword)
dstPath := t.TempDir()
doGitClone(dstPath, u)(t)
cmd := git.NewCommand(git.DefaultContext, "push", "--delete", "origin", "refs/pull/2/head")
stdout, stderr, err := cmd.RunStdString(&git.RunOpts{
Dir: dstPath,
})
assert.Error(t, err)
assert.Empty(t, stdout)
assert.False(t, strings.Contains(stderr, "[deleted]"), "stderr: %s", stderr)
})
}

1
tests/test_utils.go
View File

@ -223,6 +223,7 @@ func PrepareTestEnv(t testing.TB, skip ...int) func() {
_ = os.MkdirAll(filepath.Join(setting.RepoRootPath, ownerDir.Name(), repoDir.Name(), "objects", "info"), 0o755)
_ = os.MkdirAll(filepath.Join(setting.RepoRootPath, ownerDir.Name(), repoDir.Name(), "refs", "heads"), 0o755)
_ = os.MkdirAll(filepath.Join(setting.RepoRootPath, ownerDir.Name(), repoDir.Name(), "refs", "tag"), 0o755)
_ = os.MkdirAll(filepath.Join(setting.RepoRootPath, ownerDir.Name(), repoDir.Name(), "refs", "pull"), 0o755)
}
}