mirror of
https://github.com/hanzoai/forge.git
synced 2026-10-30 15:00:39 +00:00
zeekayandHanzo Dev
aa87442fdd
Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
92 lines
2.9 KiB
Go
92 lines
2.9 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package private
|
|
|
|
import (
|
|
"bufio"
|
|
"io"
|
|
|
|
"github.com/hanzoai/git/modules/git"
|
|
"github.com/hanzoai/git/modules/git/gitcmd"
|
|
"github.com/hanzoai/git/modules/log"
|
|
asymkey_service "github.com/hanzoai/git/services/asymkey"
|
|
)
|
|
|
|
// This file contains commit verification functions for refs passed across in hooks
|
|
|
|
func verifyCommits(oldCommitID, newCommitID string, repo *git.Repository, env []string) error {
|
|
var command *gitcmd.Command
|
|
objectFormat, _ := repo.GetObjectFormat()
|
|
if oldCommitID == objectFormat.EmptyObjectID().String() {
|
|
// When creating a new branch, the oldCommitID is empty, by using "newCommitID --not --all":
|
|
// List commits that are reachable by following the newCommitID, exclude "all" existing heads/tags commits
|
|
// So, it only lists the new commits received, doesn't list the commits already present in the receiving repository
|
|
command = gitcmd.NewCommand("rev-list").AddDynamicArguments(newCommitID).AddArguments("--not", "--all")
|
|
} else {
|
|
command = gitcmd.NewCommand("rev-list").AddDynamicArguments(oldCommitID + "..." + newCommitID)
|
|
}
|
|
// This is safe as force pushes are already forbidden
|
|
stdoutReader, stdoutReaderClose := command.MakeStdoutPipe()
|
|
defer stdoutReaderClose()
|
|
|
|
err := command.WithEnv(env).
|
|
WithDir(repo.Path).
|
|
WithPipelineFunc(func(ctx gitcmd.Context) error {
|
|
err := readAndVerifyCommitsFromShaReader(stdoutReader, repo, env)
|
|
return ctx.CancelPipeline(err)
|
|
}).
|
|
Run(repo.Ctx)
|
|
if err != nil && !isErrUnverifiedCommit(err) {
|
|
log.Error("Unable to check commits from %s to %s in %s: %v", oldCommitID, newCommitID, repo.Path, err)
|
|
}
|
|
return err
|
|
}
|
|
|
|
func readAndVerifyCommitsFromShaReader(input io.ReadCloser, repo *git.Repository, env []string) error {
|
|
scanner := bufio.NewScanner(input)
|
|
for scanner.Scan() {
|
|
line := scanner.Text()
|
|
err := readAndVerifyCommit(line, repo, env)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return scanner.Err()
|
|
}
|
|
|
|
func readAndVerifyCommit(sha string, repo *git.Repository, env []string) error {
|
|
commitID := git.MustIDFromString(sha)
|
|
cmd := gitcmd.NewCommand("cat-file", "commit").AddDynamicArguments(sha)
|
|
stdoutReader, stdoutReaderClose := cmd.MakeStdoutPipe()
|
|
defer stdoutReaderClose()
|
|
|
|
return cmd.WithEnv(env).
|
|
WithDir(repo.Path).
|
|
WithPipelineFunc(func(ctx gitcmd.Context) error {
|
|
commit, err := git.CommitFromReader(commitID, stdoutReader)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
verification := asymkey_service.ParseCommitWithSignature(ctx, commit)
|
|
if !verification.Verified {
|
|
return ctx.CancelPipeline(&errUnverifiedCommit{commit.ID.String()})
|
|
}
|
|
return nil
|
|
}).
|
|
Run(repo.Ctx)
|
|
}
|
|
|
|
type errUnverifiedCommit struct {
|
|
sha string
|
|
}
|
|
|
|
func (e *errUnverifiedCommit) Error() string {
|
|
return "Unverified commit: " + e.sha
|
|
}
|
|
|
|
func isErrUnverifiedCommit(err error) bool {
|
|
_, ok := err.(*errUnverifiedCommit)
|
|
return ok
|
|
}
|