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package main
import (
"fmt"
"os"
"os/exec"
"path/filepath"
"strconv"
"strings"
"github.com/codegangsta/cli"
"github.com/gogits/gogs/models"
"github.com/gogits/gogs/utils/log"
)
var (
COMMANDS_READONLY = map[string]int{
"git-upload-pack": models.AU_WRITABLE,
"git upload-pack": models.AU_WRITABLE,
}
COMMANDS_WRITE = map[string]int{
"git-receive-pack": models.AU_READABLE,
"git receive-pack": models.AU_READABLE,
}
)
var CmdServ = cli.Command{
Name: "serv",
Usage: "just run",
Description: `
gogs serv`,
Action: runServ,
Flags: []cli.Flag{
//cli.BoolFlag{"update, u", "update pakcage(s) and dependencies if any"},
//cli.BoolFlag{"verbose, v", "show process details"},
},
}
func In(b string, sl map[string]int) bool {
_, e := sl[b]
return e
}
func runServ(*cli.Context) {
keys := strings.Split(os.Args[2], "-")
if len(keys) != 2 {
fmt.Println("auth file format error")
return
}
keyId, err := strconv.ParseInt(keys[1], 10, 64)
if err != nil {
fmt.Println("auth file format error")
return
}
user, err := models.GetUserByKeyId(keyId)
if err != nil {
fmt.Println("You have no right to access")
return
}
cmd := os.Getenv("SSH_ORIGINAL_COMMAND")
if cmd == "" {
fmt.Printf("Hi %s! You've successfully authenticated, but Gogits does not provide shell access.\n", user.Name)
return
}
f, _ := os.Create("test2.log")
f.WriteString(cmd)
f.Close()
log.Info("cmd is %s", cmd)
verb, args := parseCmd(cmd)
rr := strings.SplitN(strings.Trim(args, "'"), "/", 1)
if len(rr) != 2 {
fmt.Printf("Unavilable repository")
return
}
repoName := rr[1]
if strings.HasSuffix(repoName, ".git") {
repoName = repoName[:len(repoName)-4]
}
isWrite := In(verb, COMMANDS_WRITE)
isRead := In(verb, COMMANDS_READONLY)
switch {
case isWrite:
has, err := models.HasAccess(user.Name, repoName, COMMANDS_WRITE[verb])
if err != nil {
fmt.Println("Inernel error")
return
}
if !has {
fmt.Println("You have no right to access this repository")
return
}
case isRead:
has, err := models.HasAccess(user.Name, repoName, COMMANDS_READONLY[verb])
if err != nil {
fmt.Println("Inernel error")
return
}
if !has {
has, err = models.HasAccess(user.Name, repoName, COMMANDS_WRITE[verb])
if err != nil {
fmt.Println("Inernel error")
return
}
}
if !has {
fmt.Println("You have no right to access this repository")
return
}
default:
fmt.Println("Unknown command")
return
}
isExist, err := models.IsRepositoryExist(user, repoName)
if err != nil {
fmt.Println("Inernel error")
return
}
if !isExist {
if isRead {
fmt.Println("Repository is not exist")
return
} else if isWrite {
_, err := models.CreateRepository(user, repoName)
if err != nil {
fmt.Println("Create repository failed")
return
}
}
}
fullPath := filepath.Join(models.RepoRootPath, user.Name, repoName+".git")
newcmd := fmt.Sprintf("%s '%s'", verb, fullPath)
fmt.Println(newcmd)
gitcmd := exec.Command("git", "shell", "-c", newcmd)
gitcmd.Stdout = os.Stdout
gitcmd.Stderr = os.Stderr
err = gitcmd.Run()
if err != nil {
log.Error("execute command error: %s", err)
}
}
func parseCmd(cmd string) (string, string) {
ss := strings.SplitN(cmd, " ", 1)
if len(ss) != 2 {
return "", ""
}
verb, args := ss[0], ss[1]
if verb == "git" {
ss = strings.SplitN(args, " ", 1)
args = ss[1]
verb = fmt.Sprintf("%s %s", verb, ss[0])
}
return verb, args
}