mirror of https://github.com/harness/drone.git
117 lines
3.1 KiB
Go
117 lines
3.1 KiB
Go
// Copyright 2023 Harness, Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package api
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"io"
|
|
"regexp"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/harness/gitness/errors"
|
|
"github.com/harness/gitness/git/command"
|
|
"github.com/harness/gitness/types/enum"
|
|
|
|
"github.com/rs/zerolog/log"
|
|
)
|
|
|
|
var safeGitProtocolHeader = regexp.MustCompile(`^[0-9a-zA-Z]+=[0-9a-zA-Z]+(:[0-9a-zA-Z]+=[0-9a-zA-Z]+)*$`)
|
|
|
|
func (g *Git) InfoRefs(
|
|
ctx context.Context,
|
|
repoPath string,
|
|
service string,
|
|
w io.Writer,
|
|
env ...string,
|
|
) error {
|
|
stdout := &bytes.Buffer{}
|
|
cmd := command.New(service,
|
|
command.WithFlag("--stateless-rpc"),
|
|
command.WithFlag("--advertise-refs"),
|
|
command.WithArg("."),
|
|
)
|
|
if err := cmd.Run(ctx,
|
|
command.WithDir(repoPath),
|
|
command.WithStdout(stdout),
|
|
command.WithEnvs(env...),
|
|
); err != nil {
|
|
return errors.Internal(err, "InfoRefs service %s failed", service)
|
|
}
|
|
if _, err := w.Write(packetWrite("# service=git-" + service + "\n")); err != nil {
|
|
return errors.Internal(err, "failed to write pktLine in InfoRefs %s service", service)
|
|
}
|
|
|
|
if _, err := w.Write([]byte("0000")); err != nil {
|
|
return errors.Internal(err, "failed to flush data in InfoRefs %s service", service)
|
|
}
|
|
|
|
if _, err := io.Copy(w, stdout); err != nil {
|
|
return errors.Internal(err, "streaming InfoRefs %s service failed", service)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
type ServicePackOptions struct {
|
|
Service enum.GitServiceType
|
|
Timeout int // seconds
|
|
StatelessRPC bool
|
|
Stdout io.Writer
|
|
Stdin io.Reader
|
|
Stderr io.Writer
|
|
Env []string
|
|
Protocol string
|
|
}
|
|
|
|
func (g *Git) ServicePack(
|
|
ctx context.Context,
|
|
repoPath string,
|
|
options ServicePackOptions,
|
|
) error {
|
|
cmd := command.New(string(options.Service),
|
|
command.WithArg(repoPath),
|
|
command.WithEnv("SSH_ORIGINAL_COMMAND", string(options.Service)),
|
|
)
|
|
|
|
if options.StatelessRPC {
|
|
cmd.Add(command.WithFlag("--stateless-rpc"))
|
|
}
|
|
|
|
if options.Protocol != "" && safeGitProtocolHeader.MatchString(options.Protocol) {
|
|
cmd.Add(command.WithEnv("GIT_PROTOCOL", options.Protocol))
|
|
}
|
|
|
|
err := cmd.Run(ctx,
|
|
command.WithDir(repoPath),
|
|
command.WithStdout(options.Stdout),
|
|
command.WithStdin(options.Stdin),
|
|
command.WithStderr(options.Stderr),
|
|
command.WithEnvs(options.Env...),
|
|
)
|
|
if err != nil && err.Error() != "signal: killed" {
|
|
log.Ctx(ctx).Err(err).Msgf("Fail to serve RPC(%s) in %s: %v", options.Service, repoPath, err)
|
|
}
|
|
return err
|
|
}
|
|
|
|
func packetWrite(str string) []byte {
|
|
s := strconv.FormatInt(int64(len(str)+4), 16)
|
|
if len(s)%4 != 0 {
|
|
s = strings.Repeat("0", 4-len(s)%4) + s
|
|
}
|
|
return []byte(s + str)
|
|
}
|