bench-forgejo/cmd/serve.go

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// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
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package cmd
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import (
"fmt"
"os"
"os/exec"
"path"
"strconv"
"strings"
"github.com/codegangsta/cli"
qlog "github.com/qiniu/log"
"github.com/gogits/gogs/models"
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"github.com/gogits/gogs/modules/setting"
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)
var CmdServ = cli.Command{
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Name: "serv",
Usage: "This command should only be called by SSH shell",
Description: `Serv provide access auth for repositories`,
Action: runServ,
Flags: []cli.Flag{},
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}
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func newLogger(logPath string) {
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os.MkdirAll(path.Dir(logPath), os.ModePerm)
f, err := os.OpenFile(logPath, os.O_WRONLY|os.O_APPEND|os.O_CREATE, os.ModePerm)
if err != nil {
qlog.Fatal(err)
}
qlog.SetOutput(f)
qlog.Info("Start logging serv...")
}
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func setup(logPath string) {
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workDir, _ := setting.WorkDir()
newLogger(path.Join(workDir, logPath))
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setting.NewConfigContext()
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models.LoadModelsConfig()
if models.UseSQLite3 {
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os.Chdir(workDir)
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}
models.SetEngine()
}
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func parseCmd(cmd string) (string, string) {
ss := strings.SplitN(cmd, " ", 2)
if len(ss) != 2 {
return "", ""
}
verb, args := ss[0], ss[1]
if verb == "git" {
ss = strings.SplitN(args, " ", 2)
args = ss[1]
verb = fmt.Sprintf("%s %s", verb, ss[0])
}
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return verb, strings.Replace(args, "'/", "'", 1)
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}
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var (
COMMANDS_READONLY = map[string]int{
"git-upload-pack": models.AU_WRITABLE,
"git upload-pack": models.AU_WRITABLE,
"git-upload-archive": models.AU_WRITABLE,
}
COMMANDS_WRITE = map[string]int{
"git-receive-pack": models.AU_READABLE,
"git receive-pack": models.AU_READABLE,
}
)
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func In(b string, sl map[string]int) bool {
_, e := sl[b]
return e
}
func runServ(k *cli.Context) {
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setup(path.Join(setting.LogRootPath, "serv.log"))
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keys := strings.Split(os.Args[2], "-")
if len(keys) != 2 {
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println("Gogs: auth file format error")
qlog.Fatal("Invalid auth file format: %s", os.Args[2])
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}
keyId, err := strconv.ParseInt(keys[1], 10, 64)
if err != nil {
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println("Gogs: auth file format error")
qlog.Fatalf("Invalid auth file format: %v", err)
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}
user, err := models.GetUserByKeyId(keyId)
if err != nil {
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if err == models.ErrUserNotKeyOwner {
println("Gogs: you are not the owner of SSH key")
qlog.Fatalf("Invalid owner of SSH key: %d", keyId)
}
println("Gogs: internal error:", err)
qlog.Fatalf("Fail to get user by key ID(%d): %v", keyId, err)
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}
cmd := os.Getenv("SSH_ORIGINAL_COMMAND")
if cmd == "" {
println("Hi", user.Name, "! You've successfully authenticated, but Gogs does not provide shell access.")
return
}
verb, args := parseCmd(cmd)
repoPath := strings.Trim(args, "'")
rr := strings.SplitN(repoPath, "/", 2)
if len(rr) != 2 {
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println("Gogs: unavailable repository", args)
qlog.Fatalf("Unavailable repository: %v", args)
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}
repoUserName := rr[0]
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repoName := strings.TrimSuffix(rr[1], ".git")
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isWrite := In(verb, COMMANDS_WRITE)
isRead := In(verb, COMMANDS_READONLY)
repoUser, err := models.GetUserByName(repoUserName)
if err != nil {
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if err == models.ErrUserNotExist {
println("Gogs: given repository owner are not registered")
qlog.Fatalf("Unregistered owner: %s", repoUserName)
}
println("Gogs: internal error:", err)
qlog.Fatalf("Fail to get repository owner(%s): %v", repoUserName, err)
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}
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// Access check.
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switch {
case isWrite:
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has, err := models.HasAccess(user.Name, path.Join(repoUserName, repoName), models.AU_WRITABLE)
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if err != nil {
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println("Gogs: internal error:", err)
qlog.Fatal("Fail to check write access:", err)
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} else if !has {
println("You have no right to write this repository")
qlog.Fatalf("User %s has no right to write repository %s", user.Name, repoPath)
}
case isRead:
repo, err := models.GetRepositoryByName(repoUser.Id, repoName)
if err != nil {
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if err == models.ErrRepoNotExist {
println("Gogs: given repository does not exist")
qlog.Fatalf("Repository does not exist: %s/%s", repoUser.Name, repoName)
}
println("Gogs: internal error:", err)
qlog.Fatalf("Fail to get repository: %v", err)
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}
if !repo.IsPrivate {
break
}
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has, err := models.HasAccess(user.Name, path.Join(repoUserName, repoName), models.AU_READABLE)
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if err != nil {
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println("Gogs: internal error:", err)
qlog.Fatal("Fail to check read access:", err)
} else if !has {
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println("You have no right to access this repository")
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qlog.Fatalf("User %s has no right to read repository %s", user.Name, repoPath)
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}
default:
println("Unknown command")
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return
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}
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models.SetRepoEnvs(user.Id, user.Name, repoName, repoUserName)
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gitcmd := exec.Command(verb, repoPath)
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gitcmd.Dir = setting.RepoRootPath
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gitcmd.Stdout = os.Stdout
gitcmd.Stdin = os.Stdin
gitcmd.Stderr = os.Stderr
if err = gitcmd.Run(); err != nil {
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println("Gogs: internal error:", err)
qlog.Fatalf("Fail to execute git command: %v", err)
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}
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//refName := os.Getenv("refName")
//oldCommitId := os.Getenv("oldCommitId")
//newCommitId := os.Getenv("newCommitId")
//qlog.Error("get envs:", refName, oldCommitId, newCommitId)
// update
//models.Update(refName, oldCommitId, newCommitId, repoUserName, repoName, user.Id)
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}