func runServ(c *cli.Context) {
if c.IsSet("config") {
setting.CustomConf = c.String("config")
}
setup("serv.log")
fail := func(userMessage, logMessage string, args ...interface{}) {
fmt.Fprintln(os.Stderr, "Gogs: ", userMessage)
log.GitLogger.Fatal(2, logMessage, args...)
}
if len(c.Args()) < 1 {
fail("Not enough arguments", "Not enough arugments")
}
keys := strings.Split(c.Args()[0], "-")
if len(keys) != 2 {
fail("key-id format error", "Invalid key id: %s", c.Args()[0])
}
keyId, err := com.StrTo(keys[1]).Int64()
if err != nil {
fail("key-id format error", "Invalid key id: %s", err)
}
user, err := models.GetUserByKeyId(keyId)
if err != nil {
fail("internal error", "Fail to get user by key ID(%d): %v", keyId, err)
}
cmd := os.Getenv("SSH_ORIGINAL_COMMAND")
if cmd == "" {
fmt.Printf("Hi, %s! You've successfully authenticated, but Gogs does not provide shell access.\n", user.Name)
if user.IsAdmin {
println("If this is unexpected, please log in with password and setup Gogs under another user.")
}
return
}
verb, args := parseCmd(cmd)
repoPath := strings.Trim(args, "'")
rr := strings.SplitN(repoPath, "/", 2)
if len(rr) != 2 {
fail("Invalid repository path", "Invalide repository path: %v", args)
}
repoUserName := rr[0]
repoName := strings.TrimSuffix(rr[1], ".git")
repoUser, err := models.GetUserByName(repoUserName)
if err != nil {
if err == models.ErrUserNotExist {
fail("Repository owner does not exist", "Unregistered owner: %s", repoUserName)
}
fail("Internal error", "Fail to get repository owner(%s): %v", repoUserName, err)
}
repo, err := models.GetRepositoryByName(repoUser.Id, repoName)
if err != nil {
if models.IsErrRepoNotExist(err) {
if user.Id == repoUser.Id || repoUser.IsOwnedBy(user.Id) {
fail("Repository does not exist", "Repository does not exist: %s/%s", repoUser.Name, repoName)
} else {
fail(_ACCESS_DENIED_MESSAGE, "Repository does not exist: %s/%s", repoUser.Name, repoName)
}
}
fail("Internal error", "Fail to get repository: %v", err)
}
requestedMode, has := COMMANDS[verb]
if !has {
fail("Unknown git command", "Unknown git command %s", verb)
}
mode, err := models.AccessLevel(user, repo)
if err != nil {
fail("Internal error", "Fail to check access: %v", err)
} else if mode < requestedMode {
clientMessage := _ACCESS_DENIED_MESSAGE
if mode >= models.ACCESS_MODE_READ {
clientMessage = "You do not have sufficient authorization for this action"
}
fail(clientMessage,
"User %s does not have level %v access to repository %s",
user.Name, requestedMode, repoPath)
}
uuid := uuid.NewV4().String()
os.Setenv("uuid", uuid)
var gitcmd *exec.Cmd
verbs := strings.Split(verb, " ")
if len(verbs) == 2 {
gitcmd = exec.Command(verbs[0], verbs[1], repoPath)
} else {
gitcmd = exec.Command(verb, repoPath)
}
gitcmd.Dir = setting.RepoRootPath
gitcmd.Stdout = os.Stdout
gitcmd.Stdin = os.Stdin
gitcmd.Stderr = os.Stderr
if err = gitcmd.Run(); err != nil {
fail("Internal error", "Fail to execute git command: %v", err)
}
if requestedMode == models.ACCESS_MODE_WRITE {
tasks, err := models.GetUpdateTasksByUuid(uuid)
if err != nil {
log.GitLogger.Fatal(2, "GetUpdateTasksByUuid: %v", err)
}
for _, task := range tasks {
err = models.Update(task.RefName, task.OldCommitId, task.NewCommitId,
user.Name, repoUserName, repoName, user.Id)
if err != nil {
log.GitLogger.Error(2, "Fail to update: %v", err)
}
}
if err = models.DelUpdateTasksByUuid(uuid); err != nil {
log.GitLogger.Fatal(2, "DelUpdateTasksByUuid: %v", err)
}
}
// Update key activity.
key, err := models.GetPublicKeyById(keyId)
if err != nil {
fail("Internal error", "GetPublicKeyById: %v", err)
}
key.Updated = time.Now()
if err = models.UpdatePublicKey(key); err != nil {
fail("Internal error", "UpdatePublicKey: %v", err)
}
}
func runServ(k *cli.Context) {
setup("serv.log")
keys := strings.Split(os.Args[2], "-")
if len(keys) != 2 {
println("Gogs: auth file format error")
log.GitLogger.Fatal(2, "Invalid auth file format: %s", os.Args[2])
}
keyId, err := com.StrTo(keys[1]).Int64()
if err != nil {
println("Gogs: auth file format error")
log.GitLogger.Fatal(2, "Invalid auth file format: %v", err)
}
user, err := models.GetUserByKeyId(keyId)
if err != nil {
if err == models.ErrUserNotKeyOwner {
println("Gogs: you are not the owner of SSH key")
log.GitLogger.Fatal(2, "Invalid owner of SSH key: %d", keyId)
}
println("Gogs: internal error:", err)
log.GitLogger.Fatal(2, "Fail to get user by key ID(%d): %v", keyId, err)
}
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 {
println("Gogs: unavailable repository", args)
log.GitLogger.Fatal(2, "Unavailable repository: %v", args)
}
repoUserName := rr[0]
repoName := strings.TrimSuffix(rr[1], ".git")
isWrite := In(verb, COMMANDS_WRITE)
isRead := In(verb, COMMANDS_READONLY)
repoUser, err := models.GetUserByName(repoUserName)
if err != nil {
if err == models.ErrUserNotExist {
println("Gogs: given repository owner are not registered")
log.GitLogger.Fatal(2, "Unregistered owner: %s", repoUserName)
}
println("Gogs: internal error:", err)
log.GitLogger.Fatal(2, "Fail to get repository owner(%s): %v", repoUserName, err)
}
// Access check.
switch {
case isWrite:
has, err := models.HasAccess(user.Name, path.Join(repoUserName, repoName), models.WRITABLE)
if err != nil {
println("Gogs: internal error:", err)
log.GitLogger.Fatal(2, "Fail to check write access:", err)
} else if !has {
println("You have no right to write this repository")
log.GitLogger.Fatal(2, "User %s has no right to write repository %s", user.Name, repoPath)
}
case isRead:
repo, err := models.GetRepositoryByName(repoUser.Id, repoName)
if err != nil {
if err == models.ErrRepoNotExist {
println("Gogs: given repository does not exist")
log.GitLogger.Fatal(2, "Repository does not exist: %s/%s", repoUser.Name, repoName)
}
println("Gogs: internal error:", err)
log.GitLogger.Fatal(2, "Fail to get repository: %v", err)
}
if !repo.IsPrivate {
break
}
has, err := models.HasAccess(user.Name, path.Join(repoUserName, repoName), models.READABLE)
if err != nil {
println("Gogs: internal error:", err)
log.GitLogger.Fatal(2, "Fail to check read access:", err)
} else if !has {
println("You have no right to access this repository")
log.GitLogger.Fatal(2, "User %s has no right to read repository %s", user.Name, repoPath)
}
default:
println("Unknown command")
return
}
uuid := uuid.NewV4().String()
os.Setenv("uuid", uuid)
gitcmd := exec.Command(verb, repoPath)
gitcmd.Dir = setting.RepoRootPath
gitcmd.Stdout = os.Stdout
gitcmd.Stdin = os.Stdin
gitcmd.Stderr = os.Stderr
if err = gitcmd.Run(); err != nil {
println("Gogs: internal error:", err.Error())
log.GitLogger.Fatal(2, "Fail to execute git command: %v", err)
}
if isWrite {
tasks, err := models.GetUpdateTasksByUuid(uuid)
if err != nil {
log.GitLogger.Fatal(2, "GetUpdateTasksByUuid: %v", err)
}
for _, task := range tasks {
err = models.Update(task.RefName, task.OldCommitId, task.NewCommitId,
user.Name, repoUserName, repoName, user.Id)
if err != nil {
log.GitLogger.Error(2, "Fail to update: %v", err)
}
}
if err = models.DelUpdateTasksByUuid(uuid); err != nil {
log.GitLogger.Fatal(2, "DelUpdateTasksByUuid: %v", err)
}
}
// Update key activity.
key, err := models.GetPublicKeyById(keyId)
if err != nil {
log.GitLogger.Fatal(2, "GetPublicKeyById: %v", err)
}
key.Updated = time.Now()
if err = models.UpdatePublicKey(key); err != nil {
log.GitLogger.Fatal(2, "UpdatePublicKey: %v", err)
}
}
